Play audio from temporary memory with nrf5340_audio LE code

Hello,

I am using an LE audio code "nrf5340_audio" code from nRF SDK v2.8.0 to play a beep tone. I want to play a tone from a temporary memory, so I have created a logic for the same and converted a beep.wav file (16bit-mono@48khz) to a beep.h file.

I have also created a new file named as temp_mem_plaback.c inside src/modules and included the beep.h file inside it.

Then inside unicast_server -> main.c, I have defined a separate thread for the temporary playback function temp_mem_playback_start() and used the thread after audio_system_init() inside main() function.

After flashing the code on nrf5340 audio DK, I am getting few prints but unable to hear the beep tone and even "playback finished" print is also not appearing from

temp_mem_playback_start() function.
Note:
In the above logic, the UART displays prints as mentioned in temp_mem_playback.log

But, If I compile a disabled section of  hw_codec_default_conf_enable() and audio_datapath_start(&fifo_txinside temp_mem_playback_start() function, the print appears as mentioned in temp_mem_playback(audio_datapath_failed).log

Please share a solution to this issue.

Attachments:
1. nf5340_audio_DBG.rar
2. beep.wav (size: 681 kb, 16bit-mono@48khz) -- inside src/modules
3. beep.h -- inside src/modules
3. Log files:
  • temp_mem_playback.log
  • temp_mem_playback(audio_datapath failed).log

Thank you.

4846.Files.rar

  • Hi, 

    Please try the latest version, v3.1.1. There are some bug fixes and updates since v.2.8.0. 

    Regards,
    Amanda H.

  • Hi,

    Sorry for late response.

    I have tried with latest 3.1.1 SDK but the sample code build fails, as it asks for a configuration file to be mentioned in the root CMakeLists.txt file.

    So I have reverted back to 2.8.0 SDK as all of my development projects are built inside this particular SDK.

    Now the error looks like:

    *** Booting nRF Connect SDK v2.8.0-a2386bfc8401 ***
    *** Using Zephyr OS v3.7.99-0bc3393fb112 ***
    HL [00:00:00.261,413] <inf> fw_info:
             nRF5340 Audio nRF5340 Audio DK cpuapp
             NCS base version: 2.8.0
             Cmake run : Thu Oct 30 17:52:09 2025
    HL [00:00:00.261,413] <inf> fw_info: ------- DEBUG BUILD -------
    HL [00:00:00.261,444] <inf> fw_info: HEADSET left device
    HL [00:00:00.261,474] <inf> bt_mgmt: UART initialized
    Thread analyze:
     mbox_wq #0          : STACK: unused 828 usage 196 / 1024 (19 %); CPU: 0 %
                         : Total CPU cycles used: 0
     BT RX WQ            : STACK: unused 1852 usage 196 / 2048 (9 %); CPU: 0 %
                         : Total CPU cycles used: 0
     thread_analyzer     : STACK: unused 580 usage 444 / 1024 (43 %); CPU: 3 %
                         : Total CPU cycles used: 12
     button_publish      : STACK: unused 276 usage 180 / 456 (39 %); CPU: 0 %
                         : Total CPU cycles used: 0
     ble_write_thread_id : STACK: unused 596 usage 428 / 1024 (41 %); CPU: 0 %
                         : Total CPU cycles used: 1
     BT LW WQ            : STACK: unused 1108 usage 196 / 1304 (15 %); CPU: 0 %
                         : Total CPU cycles used: 1
     sysworkq            : STACK: unused 16188 usage 196 / 16384 (1 %); CPU: 0 %
                         : Total CPU cycles used: 0
     logging             : STACK: unused 1844 usage 204 / 2048 (9 %); CPU: 13 %
                         : Total CPU cycles used: 61
     idle                : STACK: unused 244 usage 76 / 320 (23 %); CPU: 12 %
                         : Total CPU cycles used: 55
     main                : STACK: unused 15884 usage 500 / 16384 (3 %); CPU: 53 %
                         : Total CPU cycles used: 261
     ISR0                : STACK: unused 1776 usage 272 / 2048 (13 %)
    HL [00:00:00.284,973] <inf> bt_mgmt: Bluetooth initialized
    HL [00:00:00.331,359] <inf> bt_mgmt_ctlr_cfg: Controller: SoftDevice: Version 6.0 (0x0e), Revision 8270
    HL [00:00:00.331,573] <inf> bt_mgmt: Local identity addr: D7:36:91:65:08:6E (random)
    HL [00:00:00.363,983] <inf> hw_codec: hw_codec_default_conf_enable() called
    HL [00:00:00.369,079] <inf> audio_system: audio_datapath_start() succeeded
    HL [00:00:00.369,079] <inf> audio_system: audio_datapath_start() completed successfully
    HL [00:00:00.369,079] <inf> main: Wait for the audio to stabilize...
    HL [00:00:02.369,2011HL [00:00:02.392,425] <inf> sd_card: SD card volume size: 7813988352 B
    HL [00:00:02.396,209] <inf> sd_card: SD card mounted
    HL [00:00:02.396,209] <inf> sd_card: SD card initialized
    HL [00:00:02.396,453] <inf> sd_card: SD card playback initialized (sd_card_detect_files)
    HL [00:00:02.398,193] <inf> sd_card: [DIR ] System Volume Information
    HL [00:00:02.398,223] <inf> sd_card: [FILE] beep.wav
    HL [00:00:02.399,505] <inf> sd_card: [FILE] Arattai - Coco 2 - 20kbps.wav
    HL [00:00:02.399,566] <inf> sd_card: [FILE] Arattai - Coco 2 - 44.1kbps.wav
    HL [00:00:02.399,627] <inf> sd_card: [FILE] Arattai - Coco 2 - 48kbps.wav
    HL [00:00:02.400,909] <inf> sd_card: [FILE] Arattai - Coco 2 - 96kbps.wav
    HL [00:00:02.401,062] <inf> sd_card_playback: sd_card_playback_wav called with file: beep.wav
    HL [00:00:02.401,123] <inf> sd_card: abs path name:     /SD:/beep.wav
    HL [00:00:02.401,641] <inf> sd_card_playback: WAV playback started - PCM data will be sent directly to audio hw
    HL [00:00:02.401,641] <inf> main: File listing done
    HL [00:00:02.403,167] <wrn> unicast_server: CSIP using the default SIRK, must be changed before production
    HL [00:00:02.403,594] <inf> sd_card_playback: WAV Header Analysis:
    HL [00:00:02.403,625] <inf> sd_card_playback: RIFF header: RIFF
    HL [00:00:02.403,625] <inf> sd_card_playback: WAV size: 102888
    HL [00:00:02.403,656] <inf> sd_card_playback: WAV header: WAVE
    HL [00:00:02.403,656] <inf> sd_card_playback: Format header: fmt
    HL [00:00:02.403,656] <inf> sd_card_playback: Chunk size: 16
    HL [00:00:02.403,656] <inf> sd_card_playback: Audio format: 1
    HL [00:00:02.403,686] <inf> sd_card_playback: Num channels: 1
    HL [00:00:02.403,686] <inf> sd_card_playback: Sample rate: 48000
    HL [00:00:02.403,686] <inf> sd_card_playback: Byte rate: 96000
    HL [00:00:02.403,686] <inf> sd_card_playback: Block align: 2
    HL [00:00:02.403,686] <inf> sd_card_playback: Bit depth: 16
    HL [00:00:02.403,717] <inf> sd_card_playback: Data header: LIST
    HL [00:00:02.403,717] <inf> sd_card_playback: Data bytes: 26
    HL [00:00:02.403,717] <inf> sd_card_playback: WAV file accepted: 1 ch, 48000 Hz, 16-bit, format: 1
    HL [00:00:02.403,747] <inf> sd_card_playback: Using frame size: 960 bytes
    HL [00:00:02.404,968] <inf> sd_card_playback: Ring buf space: 1920, required: 960
    ASSERTION FAIL [!arch_is_in_isr()] @ WEST_TOPDIR/zephyr/kernel/mutex.c:111
            mutexes cannot be used inside ISRs
    HL [00:00:02.405,181] <err> error_handler: Assert post action: file: WEST_TOPDIR/zephyr/kernel/mutex.c, line 111
    HL [00:00:02.405,212] <err> error_handler: Caught system error -- reason 0. Entering infinite loop

    I have tried different variations:

    1. Creating separate thread for SD card

    2. Playing around with k_work()

    Nothing worked but I observed the above error. These are new files in order:

    1. Changed files in order using command: git diff

    ./cfs-file/__key/communityserver-discussions-components-files/4/diff.log

    2. Changed files names uisng command: git diff --name-only

    /cfs-file/__key/communityserver-discussions-components-files/4/changed_5F00_files.txt

    3. project file 

    /cfs-file/__key/communityserver-discussions-components-files/4/nrf5340_5F00_audio_5F00_release_5F00_DBG.zip

    Along with all these, i have made change in audio_datapath.c file inside a function 

    audio_datapath_i2s_blk_complete() to handle sd_card playback even when the bluetooth LE is not connected with nrf5340_audio_dk board.
    /********** I2S TX **********/
    	static uint8_t *tx_buf;
    
    	if (IS_ENABLED(CONFIG_STREAM_BIDIRECTIONAL) || (CONFIG_AUDIO_DEV == HEADSET)) {
    		if (tx_buf_released != NULL) {
    			/* Double buffered index */
    			uint32_t next_out_blk_idx = NEXT_IDX(ctrl_blk.out.cons_blk_idx);
    
    			if (next_out_blk_idx != ctrl_blk.out.prod_blk_idx) {
    				/* Only increment if not in under-run condition */
    				ctrl_blk.out.cons_blk_idx = next_out_blk_idx;
    				if (underrun_condition) {
    					underrun_condition = false;
    					LOG_WRN("BLE Data received, total under-runs: %d",
    						ctrl_blk.out.total_blk_underruns);
    				}
    
    				tx_buf = (uint8_t *)&ctrl_blk.out
    						 .fifo[next_out_blk_idx * BLK_STEREO_NUM_SAMPS];
    
    			} else {
    				/* No BLE data available in out.fifo - check for SD card playback */
    				if (sd_card_playback_is_active()) {
    					LOG_DBG("I2S block complete - SD card active: %d",
    						sd_card_playback_is_active());
    					ret = alt_buffer_get((void **)&tx_buf);
    					ERR_CHK(ret);
    
    					size_t read_size = BLK_STEREO_SIZE_OCTETS;
    					ret = sd_card_playback_ringbuf_read(tx_buf, &read_size);
    					if (ret == 0 && read_size > 0) {
    						/* Successfully got SD card audio data */
    						if (underrun_condition) {
    							underrun_condition = false;
    							LOG_DBG("SD card audio data received");
    						}
    						LOG_DBG("Using SD card audio (%d bytes)",
    							read_size);
    					} else {
    						/* SD card has no data available, use silence */
    						LOG_DBG("I2S block complete - SD card active: %d",
    							sd_card_playback_is_active());
    						memset(tx_buf, 0, BLK_STEREO_SIZE_OCTETS);
    						if (stream_state_get() == STATE_STREAMING) {
    							underrun_condition = true;
    							ctrl_blk.out.total_blk_underruns++;
    						}
    						LOG_DBG("SD card underrun, using silence");
    					}
    				} else {
    					/* No SD card playback active - normal underrun handling */
    					if (stream_state_get() == STATE_STREAMING) {
    						underrun_condition = true;
    						ctrl_blk.out.total_blk_underruns++;
    
    						if ((ctrl_blk.out.total_blk_underruns %
    						     UNDERRUN_LOG_INTERVAL_BLKS) == 0) {
    							LOG_WRN("In I2S TX under-run condition, "
    								"total: %d",
    								ctrl_blk.out.total_blk_underruns);
    						}
    					}
    
    					/*
    					 * No data available in out.fifo
    					 * use alternative buffers
    					 */
    					ret = alt_buffer_get((void **)&tx_buf);
    					ERR_CHK(ret);
    
    					memset(tx_buf, 0, BLK_STEREO_SIZE_OCTETS);
    				}
    			}
    			// else {
    			// 	if (stream_state_get() == STATE_STREAMING) {
    			// 		underrun_condition = true;
    			// 		ctrl_blk.out.total_blk_underruns++;
    
    			// 		if ((ctrl_blk.out.total_blk_underruns %
    			// 		     UNDERRUN_LOG_INTERVAL_BLKS) == 0) {
    			// 			LOG_WRN("In I2S TX under-run condition, total: %d",
    			// 				ctrl_blk.out.total_blk_underruns);
    			// 		}
    			// 	}
    
    			// 	/*
    			// 	 * No data available in out.fifo
    			// 	 * use alternative buffers
    			// 	 */
    			// 	ret = alt_buffer_get((void **)&tx_buf);
    			// 	ERR_CHK(ret);
    
    			// 	memset(tx_buf, 0, BLK_STEREO_SIZE_OCTETS);
    			// }
    
    			if (tone_active) {
    				tone_mix(tx_buf);
    			}
    		}
    	}
    Show me some answers for this error.
  • Rony Oraon said:
    I have tried with latest 3.1.1 SDK but the sample code build fails, as it asks for a configuration file to be mentioned in the root CMakeLists.txt file.

    Please refer to the Building the application section to build the project. 

    ASSERTION FAIL [!arch_is_in_isr()] @ WEST_TOPDIR/zephyr/kernel/mutex.c:111
            mutexes cannot be used inside ISRs

    Check out this post

  • Hello,

    I have made few variations in the code. Now I am able to play a beep tone from SD card with nRF5340 audio dk board. But the beep tone is not a proper beep when played from the SD card attached to development board. The beep tone sounds noisy.

    Changes performed throughout the code:

    1. sd_card_playback.c:

    a. Removed mutex lock/unlock from functions sd_card_playback_ringbuf_read/write()

    b. Debug check performing inside function int sd_card_play_simple(const char *filename) of the loaded wav file inside sd card.

    c. Removed usage of function static void sd_card_playback_thread(void *arg1, void *arg2, void *arg3)

    2. sd_card.c: Created new function int play_from_sd_card(const char *filename) and performing sdcard initialize, sdcard file listing, and sd card playback.

    3. audio_datapath.c: Modified audio_datapath_i2s_blk_complete() function.

    File attachment:

    a. Project file: nrf5340_audio_sdcard.zip

    b. UART log: sdcard_playback_log.log

    c. Audio file: beep.wav

    d. Audio playback recording from SD card: beep_recorded.wav

    nrf5340_audio_release_sdcard.zip

    *** Booting nRF Connect SDK v2.8.0-a2386bfc8401 ***
    *** Using Zephyr OS v3.7.99-0bc3393fb112 ***
    [00:00:00.261,444] <inf> fw_info:
    	 nRF5340 Audio nRF5340 Audio DK cpuapp 			    
    	 NCS base version: 2.8.0 			    
    	 Cmake run : Mon Nov 10 11:41:16 2025
    [00:00:00.261,444] <inf> fw_info: ------- DEBUG BUILD -------
    [00:00:00.261,474] <inf> fw_info:HEADSET left device
    [00:00:00.261,505] <inf> bt_mgmt: UART initialized
    Thread analyze:
     mbox_wq #0          : STACK: unused 828 usage 196 / 1024 (19 %); CPU: 0 %
                         : Total CPU cycles used: 1
     BT RX WQ            : STACK: unused 1852 usage 196 / 2048 (9 %); CPU: 0 %
                         : Total CPU cycles used: 0
     thread_analyzer     : STACK: unused 580 usage 444 / 1024 (43 %); CPU: 2 %
                         : Total CPU cycles used: 11
     button_publish      : STACK: unused 276 usage 180 / 456 (39 %); CPU: 0 %
                         : Total CPU cycles used: 0
     ble_write_thread_id : STACK: unused 596 usage 428 / 1024 (41 %); CPU: 0 %
                         : Total CPU cycles used: 0
     BT LW WQ            : STACK: unused 1108 usage 196 / 1304 (15 %); CPU: 0 %
                         : Total CPU cycles used: 1
     sysworkq            : STACK: unused 16188 usage 196 / 16384 (1 %); CPU: 0 %
                         : Total CPU cycles used: 0
     logging             : STACK: unused 1844 usage 204 / 2048 (9 %); CPU: 13 %
                         : Total CPU cycles used: 60
     idle                : STACK: unused 244 usage 76 / 320 (23 %); CPU: 12 %
                         : Total CPU cycles used: 56
     main                : STACK: unused 15884 usage 500 / 16384 (3 %); CPU: 53 %
                         : Total CPU cycles used: 261
     ISR0                : STACK: unused 1776 usage 272 / 2048 (13 %)
    [00:00:00.285,034] <inf> bt_mgmt: Bluetooth initialized
    [00:00:00.331,817] <inf> bt_mgmt_ctlr_cfg: Controller: SoftDevice: Version 6.0 (0x0e), Revision 8270
    [00:00:00.332,031] <inf> bt_mgmt: Local identity addr: D7:36:91:65:08:6E (random)
    [00:00:00.364,501] <inf> hw_codec: hw_codec_default_conf_enable() called
    [00:00:00.369,628] <inf> audio_system: audio_datapath_start() succeeded
    [00:00:00.369,628] <inf> audio_system: audio_datapath_start() completed successfully
    [00:00:00.369,659] <inf> main: Wait for the audio to stabilize...
    [00:00:02.369,750] <inf> main: Audio system started and stabilized.
    [00:00:02.370,544] <wrn> unicast_server: CSIP using the default SIRK, must be changed before production
    [00:00:02.374,298] <inf> bt_mgmt_adv: Local addr: 7E:FC:CD:C5:B7:C1 (random)
    [00:00:02.374,816] <inf> bt_mgmt_adv: Advertising successfully started
    [00:00:04.373,596] <inf> sd_card: === SD CARD SIMPLE PLAYBACK STARTING ===
    [00:00:04.396,881] <inf> sd_card: SD card volume size: 7813988352 B
    [00:00:04.400,604] <inf> sd_card: SD card mounted
    [00:00:04.401,123] <inf> sd_card: Listing directory: /
    [00:00:04.402,374] <inf> sd_card: [DIR ] System Volume Information
    [00:00:04.402,435] <inf> sd_card: [FILE] beep.wav
    [00:00:04.403,717] <inf> sd_card: [FILE] Arattai - Coco 2 - 20kbps.wav
    [00:00:04.403,808] <inf> sd_card: [FILE] Arattai - Coco 2 - 44.1kbps.wav
    [00:00:04.403,869] <inf> sd_card: [FILE] Arattai - Coco 2 - 48kbps.wav
    [00:00:04.405,151] <inf> sd_card: [FILE] Arattai - Coco 2 - 96kbps.wav
    [00:00:04.405,334] <inf> sd_card: Found 5 WAV files on SD card
    [00:00:04.405,334] <inf> sd_card: SD card ready - playing beep.wav
    [00:00:04.406,646] <inf> sd_card_playback: File found: beep.wav (size: 102896 bytes)
    [00:00:04.407,897] <inf> sd_card_playback: Playing WAV: 1 ch, 48000 Hz, 16-bit
    [00:00:04.408,752] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.414,764] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.415,771] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.416,748] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.417,755] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.418,762] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.419,769] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.420,776] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.426,757] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.427,764] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.428,771] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.429,748] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.430,755] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.431,762] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.432,769] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.433,746] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.439,758] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.440,765] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.441,772] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.442,749] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.443,756] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.444,763] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.445,770] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.446,777] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.452,758] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.453,765] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.454,772] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.455,749] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.456,756] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.457,763] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.458,770] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.464,752] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.465,759] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.466,766] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.467,773] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.468,750] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.469,757] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.470,764] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.471,771] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.477,752] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.478,759] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.479,766] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.480,773] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.481,750] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.482,757] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.483,764] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.489,746] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.490,753] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.491,760] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.492,767] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.493,774] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.494,781] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.495,758] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.496,765] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.502,746] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.503,753] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.504,760] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.505,767] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.506,774] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.507,751] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.513,763] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.514,770] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.515,747] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.516,754] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.517,761] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.518,768] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.519,775] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.520,751] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.526,763] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.527,770] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.528,747] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.529,754] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.530,761] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.531,768] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.532,775] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.538,757] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.539,764] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.540,771] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.541,778] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.542,755] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.543,762] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.544,769] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.545,776] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.551,757] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.552,764] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.553,771] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.554,748] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.555,755] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.556,762] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.557,769] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.563,751] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.564,758] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.565,765] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.566,772] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.567,749] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.568,756] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.569,763] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.570,770] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.576,751] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.577,758] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.578,765] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.579,772] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.580,749] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.581,756] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.582,763] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.583,770] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.589,752] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.590,759] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.591,766] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.592,773] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.593,750] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.594,757] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.595,764] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.601,776] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.602,752] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.603,759] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.604,766] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.605,773] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.606,750] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.607,757] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.613,769] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.614,776] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.615,753] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.616,760] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.617,767] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.618,774] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.619,750] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.625,762] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.626,770] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.627,777] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.628,753] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.629,760] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.630,767] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.631,774] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.632,751] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.638,763] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.639,770] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.640,777] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.641,754] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.642,761] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.643,768] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.644,775] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.650,756] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.651,763] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.652,770] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.653,778] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.654,754] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.655,761] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.656,768] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.657,775] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.663,757] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.664,764] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.665,771] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.666,778] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.667,755] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.668,762] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.669,769] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.675,750] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.676,757] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.677,764] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.678,771] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.679,779] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.680,755] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.681,762] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.682,769] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.688,751] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.689,758] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.690,765] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.691,772] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.692,779] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.693,756] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.694,763] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.700,775] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.701,751] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.702,758] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.703,765] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.704,772] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.705,780] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.706,756] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.712,768] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.713,775] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.714,752] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.715,759] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.716,766] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.717,773] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.718,780] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.724,761] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.725,769] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.726,776] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.727,783] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.728,759] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.729,766] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.730,773] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.731,781] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.737,762] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.738,769] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.739,776] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.740,753] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.741,760] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.742,767] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.743,774] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.744,781] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.750,762] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.751,770] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.752,777] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.753,753] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.754,760] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.755,767] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.756,774] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.762,756] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.763,763] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.764,770] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.765,777] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.766,784] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.767,761] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.768,768] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.769,775] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.775,756] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.776,763] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.777,770] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.778,778] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.779,754] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.780,761] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.781,768] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.787,780] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.788,757] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.789,764] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.790,771] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.791,778] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.792,755] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.793,762] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.794,769] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.800,781] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.801,757] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.802,764] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.803,771] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.804,779] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.805,755] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.811,767] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.812,774] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.813,781] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.814,758] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.815,765] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.816,772] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.817,779] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.818,756] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.824,768] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.825,775] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.826,782] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.827,758] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.828,765] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.829,772] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.830,780] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.831,756] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.832,763] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.838,775] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.839,782] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.840,759] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.841,766] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.842,773] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.843,780] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.844,787] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.850,769] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.851,776] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.852,783] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.853,759] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.854,766] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.855,773] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.856,781] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.857,757] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.863,769] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.864,776] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.865,783] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.866,760] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.867,767] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.868,774] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.869,781] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.875,762] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.876,770] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.877,777] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.878,784] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.879,760] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.880,767] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.881,774] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.882,781] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.888,763] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.889,770] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.890,777] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.891,784] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.892,761] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.893,768] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.894,775] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.900,756] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.901,763] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.902,770] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.903,778] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.904,785] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.905,761] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.906,768] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.912,780] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.913,757] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.914,764] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.915,771] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 1 messages dropped ---
    [00:00:04.918,762] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 2 messages dropped ---
    [00:00:04.925,781] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.926,757] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.927,764] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 2 messages dropped ---
    [00:00:04.930,786] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 3 messages dropped ---
    [00:00:04.939,758] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.940,765] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.941,772] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 1 messages dropped ---
    [00:00:04.943,786] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 3 messages dropped ---
    [00:00:04.953,765] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 2 messages dropped ---
    [00:00:04.955,780] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.956,787] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 1 messages dropped ---
    [00:00:04.963,775] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 2 messages dropped ---
    [00:00:04.968,780] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 3 messages dropped ---
    [00:00:04.975,769] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.976,776] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 1 messages dropped ---
    [00:00:04.978,759] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 2 messages dropped ---
    [00:00:04.987,762] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 4 messages dropped ---
    [00:00:04.991,760] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.992,767] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:04.993,774] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 1 messages dropped ---
    [00:00:05.000,762] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 3 messages dropped ---
    [00:00:05.005,767] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 1 messages dropped ---
    [00:00:05.011,779] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.012,786] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.013,763] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 2 messages dropped ---
    [00:00:05.016,784] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 2 messages dropped ---
    [00:00:05.024,780] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.025,787] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.026,763] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 1 messages dropped ---
    [00:00:05.029,785] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 4 messages dropped ---
    [00:00:05.038,787] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.039,764] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.040,771] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.041,778] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 1 messages dropped ---
    [00:00:05.049,774] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 4 messages dropped ---
    [00:00:05.053,771] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.054,779] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.055,786] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.061,767] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 1 messages dropped ---
    [00:00:05.065,765] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 4 messages dropped ---
    [00:00:05.068,786] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.074,768] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.075,775] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 1 messages dropped ---
    [00:00:05.077,789] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 4 messages dropped ---
    [00:00:05.088,775] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 1 messages dropped ---
    [00:00:05.089,782] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.090,789] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.091,766] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 1 messages dropped ---
    [00:00:05.099,761] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 4 messages dropped ---
    [00:00:05.103,790] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.104,797] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.105,773] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 1 messages dropped ---
    [00:00:05.112,792] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 3 messages dropped ---
    [00:00:05.117,767] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 2 messages dropped ---
    [00:00:05.124,786] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.125,762] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.126,770] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 1 messages dropped ---
    [00:00:05.128,784] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 2 messages dropped ---
    [00:00:05.136,779] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.137,786] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.138,793] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.139,770] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.140,777] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 2 messages dropped ---
    [00:00:05.148,773] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.149,780] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.150,787] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.151,794] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.152,770] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 1 messages dropped ---
    [00:00:05.154,785] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.155,792] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.161,773] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.162,780] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.163,787] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 1 messages dropped ---
    [00:00:05.165,802] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.166,778] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.167,785] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.173,767] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.174,774] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.175,781] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.176,788] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.177,795] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.178,802] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.179,779] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 2 messages dropped ---
    [00:00:05.188,781] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 1 messages dropped ---
    [00:00:05.189,788] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.190,795] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.191,802] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.192,810] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 1 messages dropped ---
    [00:00:05.199,768] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.200,775] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.201,782] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.202,789] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.203,796] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 3 messages dropped ---
    [00:00:05.212,799] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.213,775] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.214,782] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.215,789] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.216,796] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 2 messages dropped ---
    [00:00:05.224,792] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.225,799] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.226,776] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.227,783] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.228,790] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.229,797] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.235,778] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.236,785] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.237,792] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.238,800] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 1 messages dropped ---
    [00:00:05.241,790] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 1 messages dropped ---
    [00:00:05.242,797] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.248,779] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.249,786] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.250,793] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.251,800] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.252,777] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.253,784] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.254,791] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.255,798] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 2 messages dropped ---
    [00:00:05.264,801] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 1 messages dropped ---
    [00:00:05.265,777] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.266,784] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.267,791] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.268,798] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 2 messages dropped ---
    [00:00:05.276,794] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.277,801] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.278,778] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.279,785] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.280,792] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.281,799] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 1 messages dropped ---
    [00:00:05.288,787] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.289,794] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.290,771] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.291,778] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 3 messages dropped ---
    [00:00:05.300,781] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.301,788] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.302,795] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.303,802] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.304,809] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 1 messages dropped ---
    [00:00:05.312,774] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 1 messages dropped ---
    [00:00:05.313,781] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.314,788] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.315,795] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 1 messages dropped ---
    [00:00:05.317,779] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 1 messages dropped ---
    [00:00:05.324,768] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.325,775] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 1 messages dropped ---
    [00:00:05.327,789] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 2 messages dropped ---
    [00:00:05.330,780] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 3 messages dropped ---
    [00:00:05.339,782] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.340,789] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.341,796] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.342,773] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 2 messages dropped ---
    [00:00:05.351,776] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 2 messages dropped ---
    [00:00:05.353,790] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.354,797] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.355,804] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 1 messages dropped ---
    [00:00:05.363,800] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 4 messages dropped ---
    [00:00:05.367,797] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.373,779] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.374,786] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.375,793] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.376,770] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 1 messages dropped ---
    [00:00:05.378,784] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.379,821] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.380,798] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.386,779] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 1 messages dropped ---
    [00:00:05.388,793] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 3 messages dropped ---
    [00:00:05.392,791] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.393,798] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.399,780] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.400,787] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 1 messages dropped ---
    [00:00:05.403,778] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 3 messages dropped ---
    [00:00:05.411,804] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.412,780] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.413,787] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 1 messages dropped ---
    [00:00:05.416,809] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 3 messages dropped ---
    [00:00:05.424,774] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.425,781] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.426,788] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.427,795] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 1 messages dropped ---
    [00:00:05.429,779] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 2 messages dropped ---
    [00:00:05.437,774] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.438,781] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.439,788] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.440,795] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 1 messages dropped ---
    [00:00:05.449,798] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 2 messages dropped ---
    [00:00:05.450,775] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.451,782] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.452,789] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.453,796] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 2 messages dropped ---
    [00:00:05.463,775] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 2 messages dropped ---
    [00:00:05.464,782] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.465,789] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.466,796] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.467,803] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 1 messages dropped ---
    [00:00:05.475,799] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 1 messages dropped ---
    [00:00:05.476,776] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.477,783] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.478,790] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.479,797] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 1 messages dropped ---
    [00:00:05.486,785] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.487,792] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.488,800] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 1 messages dropped ---
    [00:00:05.490,783] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 2 messages dropped ---
    [00:00:05.499,786] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 2 messages dropped ---
    [00:00:05.501,800] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.502,777] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.503,814] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.509,796] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 1 messages dropped ---
    [00:00:05.511,810] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.512,786] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.513,793] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.514,801] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.515,808] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 1 messages dropped ---
    [00:00:05.524,780] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 2 messages dropped ---
    [00:00:05.525,787] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.526,794] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.527,801] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.528,808] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.529,785] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.535,797] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.536,773] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.537,811] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.538,787] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.539,794] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.540,802] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.541,809] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.547,790] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.548,797] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.549,804] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 2 messages dropped ---
    [00:00:05.552,795] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.553,802] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.554,779] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.560,791] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.561,798] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 1 messages dropped ---
    [00:00:05.563,812] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 1 messages dropped ---
    [00:00:05.566,802] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 3 messages dropped ---
    [00:00:05.575,775] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 2 messages dropped ---
    [00:00:05.585,784] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    --- 3 messages dropped ---
    [00:00:05.586,791] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.587,799] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.588,806] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.589,782] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.590,789] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.591,796] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.597,778] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.598,785] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.599,792] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.600,799] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.601,806] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.602,813] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.603,820] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.609,802] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.610,778] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.611,785] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.612,792] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.613,800] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.614,807] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.615,783] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.621,795] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.622,802] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.623,779] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.624,786] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.625,793] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.626,800] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.627,807] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.628,814] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.634,796] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.635,803] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.636,779] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.637,786] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.638,793] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.639,801] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.640,808] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.641,784] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.647,796] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.648,803] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.649,780] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.650,787] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.651,794] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.652,801] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.653,808] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.659,790] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.660,797] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.661,804] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.662,780] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.663,787] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.664,794] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.665,802] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.666,809] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.672,790] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.673,797] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.674,804] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.675,781] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.676,788] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.677,795] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.678,802] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.679,809] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.685,791] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.686,798] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.687,805] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.688,781] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.689,788] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.690,826] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.691,802] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.692,810] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.698,791] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.699,798] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.700,805] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.701,782] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.702,789] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.703,796] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.709,808] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.710,784] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.711,791] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.712,799] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.713,806] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.714,813] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.715,789] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.716,796] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.722,808] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.723,785] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.724,792] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.725,799] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.726,806] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.727,783] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.728,790] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.729,797] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.735,809] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.736,785] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.737,792] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.738,800] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.739,807] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.740,814] <wrn> sd_card_playback: Read size (132) not equal requested size (192)
    [00:00:05.741,790] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.742,797] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.743,804] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.744,812] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.745,819] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.746,795] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.747,802] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.748,809] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.749,816] <wrn> sd_card_playback: Read size (0) not equal requested size (192)
    [00:00:05.750,000] <inf> sd_card_playback: End of file - played 108 frames
    [00:00:05.750,030] <inf> sd_card_playback: Simple playback completed - 108 frames
    [00:00:05.750,061] <inf> sd_card: Playback completed: beep.wav
    [00:00:05.750,061] <inf> sd_card: === SD CARD PLAYBACK COMPLETED ===
    

  • Hi, 

    What SD card are you using? Could you provide some detailed information about the SD card, such as the product page, product name, and W/R access speed? 

    It seems you are trying to modify the source code to create your own SD card API. May I know the reason why you want to do that?

    Since the default code already provides a similar feature. The only restriction is that the device must be in streaming mode (e.g., audio streaming) before it can play WAV/LC3 from the SD card. Therefore, please try to set the device in stream state, and then call the API in NCS to play the stream. 

    -Amanda H.

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