/** * Copyright (c) 2016 - 2021, Nordic Semiconductor ASA * * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * * 2. Redistributions in binary form, except as embedded into a Nordic * Semiconductor ASA integrated circuit in a product or a software update for * such product, must reproduce the above copyright notice, this list of * conditions and the following disclaimer in the documentation and/or other * materials provided with the distribution. * * 3. Neither the name of Nordic Semiconductor ASA nor the names of its * contributors may be used to endorse or promote products derived from this * software without specific prior written permission. * * 4. This software, with or without modification, must only be used with a * Nordic Semiconductor ASA integrated circuit. * * 5. Any software provided in binary form under this license must not be reverse * engineered, decompiled, modified and/or disassembled. * * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * */ #include #include #include #include "nordic_common.h" #include "app_error.h" #include "app_uart.h" #include "ble_db_discovery.h" #include "app_timer.h" #include "app_util.h" #include "bsp_btn_ble.h" #include "ble.h" #include "ble_gap.h" #include "ble_hci.h" #include "nrf_sdh.h" #include "nrf_sdh_ble.h" #include "nrf_sdh_soc.h" #include "ble_nus_c.h" #include "nrf_ble_gatt.h" #include "nrf_pwr_mgmt.h" #include "nrf_ble_scan.h" #include "nrf_log.h" #include "nrf_log_ctrl.h" #include "nrf_log_default_backends.h" #include #include "nrf.h" #include "nrf_drv_usbd.h" #include "nrf_drv_clock.h" #include "nrf_gpio.h" #include "nrf_delay.h" #include "nrf_drv_power.h" #include "app_usbd.h" #include "app_usbd_core.h" #include "app_usbd_string_desc.h" #include "app_usbd_audio.h" #include "boards.h" #include "app_usbd_hid_mouse.h" #include "app_usbd_hid_kbd.h" #include "app_usbd_dummy.h" #include "bsp.h" #include "bsp_cli.h" #include "nrf_cli.h" //#include "nrf_cli_uart.h" #define APP_BLE_CONN_CFG_TAG 1 /**< Tag that refers to the BLE stack configuration set with @ref sd_ble_cfg_set. The default tag is @ref BLE_CONN_CFG_TAG_DEFAULT. */ #define APP_BLE_OBSERVER_PRIO 3 /**< BLE observer priority of the application. There is no need to modify this value. */ #define UART_TX_BUF_SIZE 256 /**< UART TX buffer size. */ #define UART_RX_BUF_SIZE 256 /**< UART RX buffer size. */ #define NUS_SERVICE_UUID_TYPE BLE_UUID_TYPE_VENDOR_BEGIN /**< UUID type for the Nordic UART Service (vendor specific). */ #define ECHOBACK_BLE_UART_DATA 1 /**< Echo the UART data that is received over the Nordic UART Service (NUS) back to the sender. */ BLE_NUS_C_DEF(m_ble_nus_c); /**< BLE Nordic UART Service (NUS) client instance. */ NRF_BLE_GATT_DEF(m_gatt); /**< GATT module instance. */ BLE_DB_DISCOVERY_DEF(m_db_disc); /**< Database discovery module instance. */ NRF_BLE_SCAN_DEF(m_scan); /**< Scanning Module instance. */ NRF_BLE_GQ_DEF(m_ble_gatt_queue, /**< BLE GATT Queue instance. */ NRF_SDH_BLE_CENTRAL_LINK_COUNT, NRF_BLE_GQ_QUEUE_SIZE); static uint16_t m_ble_nus_max_data_len = BLE_GATT_ATT_MTU_DEFAULT - OPCODE_LENGTH - HANDLE_LENGTH; /**< Maximum length of data (in bytes) that can be transmitted to the peer by the Nordic UART service module. */ /**@brief NUS UUID. */ static ble_uuid_t const m_nus_uuid = { .uuid = BLE_UUID_NUS_SERVICE, .type = NUS_SERVICE_UUID_TYPE }; /**@brief Function for handling asserts in the SoftDevice. * * @details This function is called in case of an assert in the SoftDevice. * * @warning This handler is only an example and is not meant for the final product. You need to analyze * how your product is supposed to react in case of assert. * @warning On assert from the SoftDevice, the system can only recover on reset. * * @param[in] line_num Line number of the failing assert call. * @param[in] p_file_name File name of the failing assert call. */ void assert_nrf_callback(uint16_t line_num, const uint8_t * p_file_name) { app_error_handler(0xDEADBEEF, line_num, p_file_name); } /**@brief Function for handling the Nordic UART Service Client errors. * * @param[in] nrf_error Error code containing information about what went wrong. */ static void nus_error_handler(uint32_t nrf_error) { APP_ERROR_HANDLER(nrf_error); } //-------------------------------------------------------------------------------------------------------------- #define BUFFER_SIZE (48) /** * @brief Enable power USB detection * * Configure if example supports USB port connection */ #ifndef USBD_POWER_DETECTION #define USBD_POWER_DETECTION true #endif /** * @brief Enable HID mouse class */ #define CONFIG_HAS_MOUSE 1 /** * @brief Enable HID keyboard class */ #define CONFIG_HAS_KBD 1 /** * @brief Mouse button count */ #define CONFIG_MOUSE_BUTTON_COUNT 2 /** * @brief Mouse speed (value sent via HID when board button is pressed). */ #define CONFIG_MOUSE_MOVE_STEP (3) /** * @brief Mouse move repeat time in milliseconds */ #define CONFIG_MOUSE_MOVE_TIME_MS (5) /** * @brief Letter to be sent on LETTER button * * @sa BTN_KBD_LETTER */ //#define CONFIG_KBD_LETTER APP_USBD_HID_KBD_G /** * @brief Propagate SET_PROTOCOL command to other HID instance */ #define PROPAGATE_PROTOCOL 0 /*#define BTN_MOUSE_X_POS 0 #define BTN_MOUSE_LEFT 1 #define BTN_KBD_SHIFT 2 #define BTN_KBD_LETTER 3 */ enum { BSP_USER_EVENT_RELEASE_0 = BSP_EVENT_KEY_LAST + 1, /**< Button 0 released */ BSP_USER_EVENT_RELEASE_1, /**< Button 1 released */ BSP_USER_EVENT_RELEASE_2, /**< Button 2 released */ BSP_USER_EVENT_RELEASE_3, /**< Button 3 released */ BSP_USER_EVENT_RELEASE_4, /**< Button 4 released */ BSP_USER_EVENT_RELEASE_5, /**< Button 5 released */ BSP_USER_EVENT_RELEASE_6, /**< Button 6 released */ BSP_USER_EVENT_RELEASE_7, /**< Button 7 released */ }; #define APP_USBD_INTERFACE_MOUSE 0 #define APP_USBD_INTERFACE_KBD 1 static void hid_mouse_user_ev_handler(app_usbd_class_inst_t const * p_inst, app_usbd_hid_user_event_t event); //@brief User event handler, HID keyboard static void hid_kbd_user_ev_handler(app_usbd_class_inst_t const * p_inst, app_usbd_hid_user_event_t event); APP_USBD_HID_MOUSE_GLOBAL_DEF(m_app_hid_mouse, APP_USBD_INTERFACE_MOUSE, NRF_DRV_USBD_EPIN1, CONFIG_MOUSE_BUTTON_COUNT, hid_mouse_user_ev_handler, APP_USBD_HID_SUBCLASS_BOOT ); //APP_USBD_DUMMY_GLOBAL_DEF(m_app_mouse_dummy, APP_USBD_INTERFACE_MOUSE); /** * @brief Global HID keyboard instance */ APP_USBD_HID_KBD_GLOBAL_DEF(m_app_hid_kbd, APP_USBD_INTERFACE_KBD, NRF_DRV_USBD_EPIN2, hid_kbd_user_ev_handler, APP_USBD_HID_SUBCLASS_BOOT ); APP_USBD_DUMMY_GLOBAL_DEF(m_app_kbd_dummy, APP_USBD_INTERFACE_KBD); APP_TIMER_DEF(m_mouse_move_timer); static void kbd_status(void) { if(app_usbd_hid_kbd_led_state_get(&m_app_hid_kbd, APP_USBD_HID_KBD_LED_NUM_LOCK)) { // bsp_board_led_on(LED_NUMLOCK); } else { // bsp_board_led_off(LED_NUMLOCK); } if(app_usbd_hid_kbd_led_state_get(&m_app_hid_kbd, APP_USBD_HID_KBD_LED_CAPS_LOCK)) { // bsp_board_led_on(LED_CAPSLOCK); } else { //bsp_board_led_off(LED_CAPSLOCK); } } /** * @brief Class specific event handler. * * @param p_inst Class instance. * @param event Class specific event. * */ static void hid_mouse_user_ev_handler(app_usbd_class_inst_t const * p_inst, app_usbd_hid_user_event_t event) { UNUSED_PARAMETER(p_inst); switch (event) { case APP_USBD_HID_USER_EVT_OUT_REPORT_READY: /* No output report defined for HID mouse.*/ ASSERT(0); break; case APP_USBD_HID_USER_EVT_IN_REPORT_DONE: //bsp_board_led_invert(LED_HID_REP); break; case APP_USBD_HID_USER_EVT_SET_BOOT_PROTO: UNUSED_RETURN_VALUE(hid_mouse_clear_buffer(p_inst)); #if PROPAGATE_PROTOCOL hid_kbd_on_set_protocol(&m_app_hid_kbd, APP_USBD_HID_USER_EVT_SET_BOOT_PROTO); #endif break; case APP_USBD_HID_USER_EVT_SET_REPORT_PROTO: UNUSED_RETURN_VALUE(hid_mouse_clear_buffer(p_inst)); #if PROPAGATE_PROTOCOL hid_kbd_on_set_protocol(&m_app_hid_kbd, APP_USBD_HID_USER_EVT_SET_REPORT_PROTO); #endif break; default: break; } } static void hid_kbd_user_ev_handler(app_usbd_class_inst_t const * p_inst, app_usbd_hid_user_event_t event) { UNUSED_PARAMETER(p_inst); switch (event) { case APP_USBD_HID_USER_EVT_OUT_REPORT_READY: /* Only one output report IS defined for HID keyboard class. Update LEDs state. */ // bsp_board_led_invert(LED_HID_REP); kbd_status(); break; case APP_USBD_HID_USER_EVT_IN_REPORT_DONE: // bsp_board_led_invert(LED_HID_REP); break; case APP_USBD_HID_USER_EVT_SET_BOOT_PROTO: UNUSED_RETURN_VALUE(hid_kbd_clear_buffer(p_inst)); #if PROPAGATE_PROTOCOL hid_mouse_on_set_protocol(&m_app_hid_mouse, APP_USBD_HID_USER_EVT_SET_BOOT_PROTO); #endif break; case APP_USBD_HID_USER_EVT_SET_REPORT_PROTO: UNUSED_RETURN_VALUE(hid_kbd_clear_buffer(p_inst)); #if PROPAGATE_PROTOCOL hid_mouse_on_set_protocol(&m_app_hid_mouse, APP_USBD_HID_USER_EVT_SET_REPORT_PROTO); #endif break; default: break; } } static void mic_audio_user_ev_handler(app_usbd_class_inst_t const * p_inst, app_usbd_audio_user_event_t event); #define MIC_TERMINAL_CH_CONFIG() \ (APP_USBD_AUDIO_IN_TERM_CH_CONFIG_LEFT_FRONT | APP_USBD_AUDIO_IN_TERM_CH_CONFIG_RIGHT_FRONT) #define MIC_FEATURE_CONTROLS() \ APP_USBD_U16_TO_RAW_DSC(APP_USBD_AUDIO_FEATURE_UNIT_CONTROL_MUTE), \ APP_USBD_U16_TO_RAW_DSC(APP_USBD_AUDIO_FEATURE_UNIT_CONTROL_MUTE), \ APP_USBD_U16_TO_RAW_DSC(APP_USBD_AUDIO_FEATURE_UNIT_CONTROL_MUTE) APP_USBD_AUDIO_FORMAT_DESCRIPTOR(m_mic_form_desc, APP_USBD_AUDIO_AS_FORMAT_I_DSC( /* Format type 1 descriptor */ 2, /* Number of channels */ 2, /* Subframe size */ 16, /* Bit resolution */ 1, /* Frequency type */ APP_USBD_U24_TO_RAW_DSC(48000)) /* Frequency */ ); APP_USBD_AUDIO_INPUT_DESCRIPTOR(m_mic_inp_desc, APP_USBD_AUDIO_INPUT_TERMINAL_DSC( 1, /* Terminal ID */ APP_USBD_AUDIO_TERMINAL_IN_MICROPHONE, /* Terminal type */ 2, /* Number of channels */ MIC_TERMINAL_CH_CONFIG()) /* Channels config */ ); APP_USBD_AUDIO_OUTPUT_DESCRIPTOR(m_mic_out_desc, APP_USBD_AUDIO_OUTPUT_TERMINAL_DSC( 3, /* Terminal ID */ APP_USBD_AUDIO_TERMINAL_USB_STREAMING, /* Terminal type */ 2) /* Source ID */ ); APP_USBD_AUDIO_FEATURE_DESCRIPTOR(m_mic_fea_desc, APP_USBD_AUDIO_FEATURE_UNIT_DSC( 2, /* Unit ID */ 1, /* Source ID */ MIC_FEATURE_CONTROLS()) /* List of controls */ ); #define MIC_INTERFACES_CONFIG() APP_USBD_AUDIO_CONFIG_IN(2, 3) APP_USBD_AUDIO_GLOBAL_DEF(m_app_audio_microphone, MIC_INTERFACES_CONFIG(), mic_audio_user_ev_handler, &m_mic_form_desc, &m_mic_inp_desc, &m_mic_out_desc, &m_mic_fea_desc, 0, APP_USBD_AUDIO_AS_IFACE_FORMAT_PCM, 192, APP_USBD_AUDIO_SUBCLASS_AUDIOSTREAMING, 3); static int16_t m_temp_buffer[2 * BUFFER_SIZE]; static size_t m_temp_buffer_size; static uint8_t m_mute_mic; /** * @brief Actual microphone sampling frequency */ static uint32_t m_freq_mic; static void mic_audio_user_class_req(app_usbd_class_inst_t const * p_inst) { app_usbd_audio_t const * p_audio = app_usbd_audio_class_get(p_inst); app_usbd_audio_req_t * p_req = app_usbd_audio_class_request_get(p_audio); UNUSED_VARIABLE(m_mute_mic); UNUSED_VARIABLE(m_freq_mic); switch (p_req->req_target) { case APP_USBD_AUDIO_CLASS_REQ_IN: if (p_req->req_type == APP_USBD_AUDIO_REQ_SET_CUR) { //Only mute control is defined p_req->payload[0] = m_mute_mic; } break; case APP_USBD_AUDIO_CLASS_REQ_OUT: if (p_req->req_type == APP_USBD_AUDIO_REQ_SET_CUR) { //Only mute control is defined m_mute_mic = p_req->payload[0]; } break; case APP_USBD_AUDIO_EP_REQ_IN: break; case APP_USBD_AUDIO_EP_REQ_OUT: if (p_req->req_type == APP_USBD_AUDIO_REQ_SET_CUR) { //Only set frequency is supported m_freq_mic = uint24_decode(p_req->payload); } break; default: break; } } static void mic_audio_user_ev_handler(app_usbd_class_inst_t const * p_inst, app_usbd_audio_user_event_t event) { app_usbd_audio_t const * p_audio = app_usbd_audio_class_get(p_inst); UNUSED_VARIABLE(p_audio); switch (event) { case APP_USBD_AUDIO_USER_EVT_CLASS_REQ: mic_audio_user_class_req(p_inst); break; case APP_USBD_AUDIO_USER_EVT_TX_DONE: { //bsp_board_led_invert(LED_AUDIO_TX); break; } default: break; } } static void usbd_user_ev_handler(app_usbd_event_type_t event) { switch (event) { case APP_USBD_EVT_DRV_SOF: break; case APP_USBD_EVT_DRV_SUSPEND: app_usbd_suspend_req(); // bsp_board_leds_off(); break; case APP_USBD_EVT_DRV_RESUME: // bsp_board_led_on(LED_USB_START); kbd_status(); break; case APP_USBD_EVT_STARTED: // bsp_board_led_on(LED_USB_START); break; case APP_USBD_EVT_STOPPED: app_usbd_disable(); //bsp_board_leds_off(); break; case APP_USBD_EVT_POWER_DETECTED: NRF_LOG_INFO("USB power detected"); if (!nrf_drv_usbd_is_enabled()) { app_usbd_enable(); } break; case APP_USBD_EVT_POWER_REMOVED: NRF_LOG_INFO("USB power removed"); app_usbd_stop(); break; case APP_USBD_EVT_POWER_READY: NRF_LOG_INFO("USB ready"); app_usbd_start(); break; default: break; } } static void mouse_move_timer_handler(void * p_context) { UNUSED_PARAMETER(p_context); UNUSED_RETURN_VALUE(app_usbd_hid_mouse_x_move(&m_app_hid_mouse, CONFIG_MOUSE_MOVE_STEP)); } /*static void bsp_event_callback(bsp_event_t ev) { switch ((unsigned int)ev) { case CONCAT_2(BSP_EVENT_KEY_, BTN_MOUSE_X_POS): UNUSED_RETURN_VALUE(app_usbd_hid_mouse_x_move(&m_app_hid_mouse, CONFIG_MOUSE_MOVE_STEP)); UNUSED_RETURN_VALUE(app_timer_start(m_mouse_move_timer, APP_TIMER_TICKS(CONFIG_MOUSE_MOVE_TIME_MS), NULL)); break; case CONCAT_2(BSP_USER_EVENT_RELEASE_, BTN_MOUSE_X_POS): UNUSED_RETURN_VALUE(app_timer_stop(m_mouse_move_timer)); break; case CONCAT_2(BSP_EVENT_KEY_, BTN_MOUSE_LEFT): UNUSED_RETURN_VALUE(app_usbd_hid_mouse_button_state(&m_app_hid_mouse, 0, true)); break; case CONCAT_2(BSP_USER_EVENT_RELEASE_, BTN_MOUSE_LEFT): UNUSED_RETURN_VALUE(app_usbd_hid_mouse_button_state(&m_app_hid_mouse, 0, false)); break; case CONCAT_2(BSP_EVENT_KEY_, BTN_KBD_SHIFT): UNUSED_RETURN_VALUE(app_usbd_hid_kbd_modifier_state_set(&m_app_hid_kbd, APP_USBD_HID_KBD_MODIFIER_LEFT_SHIFT, true)); break; case CONCAT_2(BSP_USER_EVENT_RELEASE_, BTN_KBD_SHIFT): UNUSED_RETURN_VALUE(app_usbd_hid_kbd_modifier_state_set(&m_app_hid_kbd, APP_USBD_HID_KBD_MODIFIER_LEFT_SHIFT, false)); break; case CONCAT_2(BSP_EVENT_KEY_, BTN_KBD_LETTER): UNUSED_RETURN_VALUE(app_usbd_hid_kbd_key_control(&m_app_hid_kbd, CONFIG_KBD_LETTER, true)); break; case CONCAT_2(BSP_USER_EVENT_RELEASE_, BTN_KBD_LETTER): UNUSED_RETURN_VALUE(app_usbd_hid_kbd_key_control(&m_app_hid_kbd, CONFIG_KBD_LETTER, false)); break; default: return; // no implementation needed } } */ /*#define INIT_BSP_ASSIGN_RELEASE_ACTION(btn) \ APP_ERROR_CHECK( \ bsp_event_to_button_action_assign( \ btn, \ BSP_BUTTON_ACTION_RELEASE, \ (bsp_event_t)CONCAT_2(BSP_USER_EVENT_RELEASE_, btn)) \ ) */ //static void init_bsp(void) //{ // ret_code_t ret; //ret = bsp_init(BSP_INIT_BUTTONS, bsp_event_callback); //APP_ERROR_CHECK(ret); // INIT_BSP_ASSIGN_RELEASE_ACTION(BTN_MOUSE_X_POS); //INIT_BSP_ASSIGN_RELEASE_ACTION(BTN_MOUSE_LEFT ); //INIT_BSP_ASSIGN_RELEASE_ACTION(BTN_KBD_SHIFT ); //INIT_BSP_ASSIGN_RELEASE_ACTION(BTN_KBD_LETTER ); /* Configure LEDs */ //bsp_board_init(BSP_INIT_LEDS); //} //--------------------------------------------------------------------------------------------------------------- /**@brief Function to start scanning. */ static void scan_start(void) { ret_code_t ret; ret = nrf_ble_scan_start(&m_scan); APP_ERROR_CHECK(ret); ret = bsp_indication_set(BSP_INDICATE_SCANNING); APP_ERROR_CHECK(ret); } /**@brief Function for handling Scanning Module events. */ static void scan_evt_handler(scan_evt_t const * p_scan_evt) { ret_code_t err_code; switch(p_scan_evt->scan_evt_id) { case NRF_BLE_SCAN_EVT_CONNECTING_ERROR: { err_code = p_scan_evt->params.connecting_err.err_code; APP_ERROR_CHECK(err_code); } break; case NRF_BLE_SCAN_EVT_CONNECTED: { ble_gap_evt_connected_t const * p_connected = p_scan_evt->params.connected.p_connected; // Scan is automatically stopped by the connection. NRF_LOG_INFO("Connecting to target %02x%02x%02x%02x%02x%02x", p_connected->peer_addr.addr[0], p_connected->peer_addr.addr[1], p_connected->peer_addr.addr[2], p_connected->peer_addr.addr[3], p_connected->peer_addr.addr[4], p_connected->peer_addr.addr[5] ); } break; case NRF_BLE_SCAN_EVT_SCAN_TIMEOUT: { NRF_LOG_INFO("Scan timed out."); scan_start(); } break; default: break; } } /**@brief Function for initializing the scanning and setting the filters. */ static void scan_init(void) { ret_code_t err_code; nrf_ble_scan_init_t init_scan; memset(&init_scan, 0, sizeof(init_scan)); init_scan.connect_if_match = true; init_scan.conn_cfg_tag = APP_BLE_CONN_CFG_TAG; err_code = nrf_ble_scan_init(&m_scan, &init_scan, scan_evt_handler); APP_ERROR_CHECK(err_code); err_code = nrf_ble_scan_filter_set(&m_scan, SCAN_UUID_FILTER, &m_nus_uuid); APP_ERROR_CHECK(err_code); err_code = nrf_ble_scan_filters_enable(&m_scan, NRF_BLE_SCAN_UUID_FILTER, false); APP_ERROR_CHECK(err_code); } /**@brief Function for handling database discovery events. * * @details This function is a callback function to handle events from the database discovery module. * Depending on the UUIDs that are discovered, this function forwards the events * to their respective services. * * @param[in] p_event Pointer to the database discovery event. */ static void db_disc_handler(ble_db_discovery_evt_t * p_evt) { ble_nus_c_on_db_disc_evt(&m_ble_nus_c, p_evt); } /**@brief Function for handling characters received by the Nordic UART Service (NUS). * * @details This function takes a list of characters of length data_len and prints the characters out on UART. * If @ref ECHOBACK_BLE_UART_DATA is set, the data is sent back to sender. */ static void ble_nus_chars_received_uart_print(uint8_t *p_data, uint16_t data_len) { ret_code_t ret_val; /* NRF_LOG_DEBUG("Receiving data."); NRF_LOG_HEXDUMP_DEBUG(p_data, data_len); for (uint32_t i = 0; i < data_len; i++) { do { ret_val = app_uart_put(p_data[i]); if ((ret_val != NRF_SUCCESS) && (ret_val != NRF_ERROR_BUSY)) { NRF_LOG_ERROR("app_uart_put failed for index 0x%04x.", i); APP_ERROR_CHECK(ret_val); } } while (ret_val == NRF_ERROR_BUSY); } if (p_data[data_len-1] == '\r') { while (app_uart_put('\n') == NRF_ERROR_BUSY); } */ NRF_LOG_HEXDUMP_DEBUG(p_data, data_len); ret_val = app_uart_put(p_data[0]); //app_usbd_hid_kbd_codes_t key = p_data[0]; app_usbd_hid_kbd_key_control(&m_app_hid_kbd, p_data[0] , true); /*if (ECHOBACK_BLE_UART_DATA) { // Send data back to the peripheral. do { ret_val = ble_nus_c_string_send(&m_ble_nus_c, p_data, data_len); if ((ret_val != NRF_SUCCESS) && (ret_val != NRF_ERROR_BUSY)) { NRF_LOG_ERROR("Failed sending NUS message. Error 0x%x. ", ret_val); APP_ERROR_CHECK(ret_val); } } while (ret_val == NRF_ERROR_BUSY); } */ } /**@brief Function for handling app_uart events. * * @details This function receives a single character from the app_uart module and appends it to * a string. The string is sent over BLE when the last character received is a * 'new line' '\n' (hex 0x0A) or if the string reaches the maximum data length. */ void uart_event_handle(app_uart_evt_t * p_event) { static uint8_t data_array[BLE_NUS_MAX_DATA_LEN]; static uint16_t index = 0; uint32_t ret_val; switch (p_event->evt_type) { /**@snippet [Handling data from UART] */ case APP_UART_DATA_READY: UNUSED_VARIABLE(app_uart_get(&data_array[index])); index++; if ((data_array[index - 1] == '\n') || (data_array[index - 1] == '\r') || (index >= (m_ble_nus_max_data_len))) { NRF_LOG_DEBUG("Ready to send data over BLE NUS"); NRF_LOG_HEXDUMP_DEBUG(data_array, index); do { ret_val = ble_nus_c_string_send(&m_ble_nus_c, data_array, index); if ( (ret_val != NRF_ERROR_INVALID_STATE) && (ret_val != NRF_ERROR_RESOURCES) ) { APP_ERROR_CHECK(ret_val); } } while (ret_val == NRF_ERROR_RESOURCES); index = 0; } break; /**@snippet [Handling data from UART] */ case APP_UART_COMMUNICATION_ERROR: NRF_LOG_ERROR("Communication error occurred while handling UART."); APP_ERROR_HANDLER(p_event->data.error_communication); break; case APP_UART_FIFO_ERROR: NRF_LOG_ERROR("Error occurred in FIFO module used by UART."); APP_ERROR_HANDLER(p_event->data.error_code); break; default: break; } } /**@brief Callback handling Nordic UART Service (NUS) client events. * * @details This function is called to notify the application of NUS client events. * * @param[in] p_ble_nus_c NUS client handle. This identifies the NUS client. * @param[in] p_ble_nus_evt Pointer to the NUS client event. */ /**@snippet [Handling events from the ble_nus_c module] */ static void ble_nus_c_evt_handler(ble_nus_c_t * p_ble_nus_c, ble_nus_c_evt_t const * p_ble_nus_evt) { ret_code_t err_code; switch (p_ble_nus_evt->evt_type) { case BLE_NUS_C_EVT_DISCOVERY_COMPLETE: NRF_LOG_INFO("Discovery complete."); err_code = ble_nus_c_handles_assign(p_ble_nus_c, p_ble_nus_evt->conn_handle, &p_ble_nus_evt->handles); APP_ERROR_CHECK(err_code); err_code = ble_nus_c_tx_notif_enable(p_ble_nus_c); APP_ERROR_CHECK(err_code); NRF_LOG_INFO("Connected to device with Nordic UART Service."); break; case BLE_NUS_C_EVT_NUS_TX_EVT: ble_nus_chars_received_uart_print(p_ble_nus_evt->p_data, p_ble_nus_evt->data_len); break; case BLE_NUS_C_EVT_DISCONNECTED: NRF_LOG_INFO("Disconnected."); scan_start(); break; } } /**@snippet [Handling events from the ble_nus_c module] */ /** * @brief Function for handling shutdown events. * * @param[in] event Shutdown type. */ static bool shutdown_handler(nrf_pwr_mgmt_evt_t event) { ret_code_t err_code; err_code = bsp_indication_set(BSP_INDICATE_IDLE); APP_ERROR_CHECK(err_code); switch (event) { case NRF_PWR_MGMT_EVT_PREPARE_WAKEUP: // Prepare wakeup buttons. err_code = bsp_btn_ble_sleep_mode_prepare(); APP_ERROR_CHECK(err_code); break; default: break; } return true; } NRF_PWR_MGMT_HANDLER_REGISTER(shutdown_handler, APP_SHUTDOWN_HANDLER_PRIORITY); /**@brief Function for handling BLE events. * * @param[in] p_ble_evt Bluetooth stack event. * @param[in] p_context Unused. */ static void ble_evt_handler(ble_evt_t const * p_ble_evt, void * p_context) { ret_code_t err_code; ble_gap_evt_t const * p_gap_evt = &p_ble_evt->evt.gap_evt; switch (p_ble_evt->header.evt_id) { case BLE_GAP_EVT_CONNECTED: err_code = ble_nus_c_handles_assign(&m_ble_nus_c, p_ble_evt->evt.gap_evt.conn_handle, NULL); APP_ERROR_CHECK(err_code); err_code = bsp_indication_set(BSP_INDICATE_CONNECTED); APP_ERROR_CHECK(err_code); // start discovery of services. The NUS Client waits for a discovery result err_code = ble_db_discovery_start(&m_db_disc, p_ble_evt->evt.gap_evt.conn_handle); APP_ERROR_CHECK(err_code); break; case BLE_GAP_EVT_DISCONNECTED: NRF_LOG_INFO("Disconnected. conn_handle: 0x%x, reason: 0x%x", p_gap_evt->conn_handle, p_gap_evt->params.disconnected.reason); break; case BLE_GAP_EVT_TIMEOUT: if (p_gap_evt->params.timeout.src == BLE_GAP_TIMEOUT_SRC_CONN) { NRF_LOG_INFO("Connection Request timed out."); } break; case BLE_GAP_EVT_SEC_PARAMS_REQUEST: // Pairing not supported. err_code = sd_ble_gap_sec_params_reply(p_ble_evt->evt.gap_evt.conn_handle, BLE_GAP_SEC_STATUS_PAIRING_NOT_SUPP, NULL, NULL); APP_ERROR_CHECK(err_code); break; case BLE_GAP_EVT_CONN_PARAM_UPDATE_REQUEST: // Accepting parameters requested by peer. err_code = sd_ble_gap_conn_param_update(p_gap_evt->conn_handle, &p_gap_evt->params.conn_param_update_request.conn_params); APP_ERROR_CHECK(err_code); break; case BLE_GAP_EVT_PHY_UPDATE_REQUEST: { NRF_LOG_DEBUG("PHY update request."); ble_gap_phys_t const phys = { .rx_phys = BLE_GAP_PHY_AUTO, .tx_phys = BLE_GAP_PHY_AUTO, }; err_code = sd_ble_gap_phy_update(p_ble_evt->evt.gap_evt.conn_handle, &phys); APP_ERROR_CHECK(err_code); } break; case BLE_GATTC_EVT_TIMEOUT: // Disconnect on GATT Client timeout event. NRF_LOG_DEBUG("GATT Client Timeout."); err_code = sd_ble_gap_disconnect(p_ble_evt->evt.gattc_evt.conn_handle, BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION); APP_ERROR_CHECK(err_code); break; case BLE_GATTS_EVT_TIMEOUT: // Disconnect on GATT Server timeout event. NRF_LOG_DEBUG("GATT Server Timeout."); err_code = sd_ble_gap_disconnect(p_ble_evt->evt.gatts_evt.conn_handle, BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION); APP_ERROR_CHECK(err_code); break; default: break; } } /**@brief Function for initializing the BLE stack. * * @details Initializes the SoftDevice and the BLE event interrupt. */ static void ble_stack_init(void) { ret_code_t err_code; err_code = nrf_sdh_enable_request(); APP_ERROR_CHECK(err_code); // Configure the BLE stack using the default settings. // Fetch the start address of the application RAM. uint32_t ram_start = 0; err_code = nrf_sdh_ble_default_cfg_set(APP_BLE_CONN_CFG_TAG, &ram_start); APP_ERROR_CHECK(err_code); // Enable BLE stack. err_code = nrf_sdh_ble_enable(&ram_start); APP_ERROR_CHECK(err_code); // Register a handler for BLE events. NRF_SDH_BLE_OBSERVER(m_ble_observer, APP_BLE_OBSERVER_PRIO, ble_evt_handler, NULL); } /**@brief Function for handling events from the GATT library. */ void gatt_evt_handler(nrf_ble_gatt_t * p_gatt, nrf_ble_gatt_evt_t const * p_evt) { if (p_evt->evt_id == NRF_BLE_GATT_EVT_ATT_MTU_UPDATED) { NRF_LOG_INFO("ATT MTU exchange completed."); m_ble_nus_max_data_len = p_evt->params.att_mtu_effective - OPCODE_LENGTH - HANDLE_LENGTH; NRF_LOG_INFO("Ble NUS max data length set to 0x%X(%d)", m_ble_nus_max_data_len, m_ble_nus_max_data_len); } } /**@brief Function for initializing the GATT library. */ void gatt_init(void) { ret_code_t err_code; err_code = nrf_ble_gatt_init(&m_gatt, gatt_evt_handler); APP_ERROR_CHECK(err_code); err_code = nrf_ble_gatt_att_mtu_central_set(&m_gatt, NRF_SDH_BLE_GATT_MAX_MTU_SIZE); APP_ERROR_CHECK(err_code); } /**@brief Function for handling events from the BSP module. * * @param[in] event Event generated by button press. */ void bsp_event_handler(bsp_event_t event) { ret_code_t err_code; switch (event) { case BSP_EVENT_SLEEP: nrf_pwr_mgmt_shutdown(NRF_PWR_MGMT_SHUTDOWN_GOTO_SYSOFF); break; case BSP_EVENT_DISCONNECT: err_code = sd_ble_gap_disconnect(m_ble_nus_c.conn_handle, BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION); if (err_code != NRF_ERROR_INVALID_STATE) { APP_ERROR_CHECK(err_code); } break; /* case CONCAT_2(BSP_EVENT_KEY_, BTN_MOUSE_X_POS): UNUSED_RETURN_VALUE(app_usbd_hid_mouse_x_move(&m_app_hid_mouse, CONFIG_MOUSE_MOVE_STEP)); UNUSED_RETURN_VALUE(app_timer_start(m_mouse_move_timer, APP_TIMER_TICKS(CONFIG_MOUSE_MOVE_TIME_MS), NULL)); break; case CONCAT_2(BSP_USER_EVENT_RELEASE_, BTN_MOUSE_X_POS): UNUSED_RETURN_VALUE(app_timer_stop(m_mouse_move_timer)); break; case CONCAT_2(BSP_EVENT_KEY_, BTN_MOUSE_LEFT): UNUSED_RETURN_VALUE(app_usbd_hid_mouse_button_state(&m_app_hid_mouse, 0, true)); break; case CONCAT_2(BSP_USER_EVENT_RELEASE_, BTN_MOUSE_LEFT): UNUSED_RETURN_VALUE(app_usbd_hid_mouse_button_state(&m_app_hid_mouse, 0, false)); break; case CONCAT_2(BSP_EVENT_KEY_, BTN_KBD_SHIFT): UNUSED_RETURN_VALUE(app_usbd_hid_kbd_modifier_state_set(&m_app_hid_kbd, APP_USBD_HID_KBD_MODIFIER_LEFT_SHIFT, true)); break; case CONCAT_2(BSP_USER_EVENT_RELEASE_, BTN_KBD_SHIFT): UNUSED_RETURN_VALUE(app_usbd_hid_kbd_modifier_state_set(&m_app_hid_kbd, APP_USBD_HID_KBD_MODIFIER_LEFT_SHIFT, false)); break; case CONCAT_2(BSP_EVENT_KEY_, BTN_KBD_LETTER): UNUSED_RETURN_VALUE(app_usbd_hid_kbd_key_control(&m_app_hid_kbd, CONFIG_KBD_LETTER, true)); break; case CONCAT_2(BSP_USER_EVENT_RELEASE_, BTN_KBD_LETTER): UNUSED_RETURN_VALUE(app_usbd_hid_kbd_key_control(&m_app_hid_kbd, CONFIG_KBD_LETTER, false)); break; */ default: break; } } /**@brief Function for initializing the UART. */ static void uart_init(void) { ret_code_t err_code; app_uart_comm_params_t const comm_params = { .rx_pin_no = RX_PIN_NUMBER, .tx_pin_no = TX_PIN_NUMBER, .rts_pin_no = RTS_PIN_NUMBER, .cts_pin_no = CTS_PIN_NUMBER, .flow_control = APP_UART_FLOW_CONTROL_DISABLED, .use_parity = false, .baud_rate = UART_BAUDRATE_BAUDRATE_Baud115200 }; APP_UART_FIFO_INIT(&comm_params, UART_RX_BUF_SIZE, UART_TX_BUF_SIZE, uart_event_handle, APP_IRQ_PRIORITY_LOWEST, err_code); APP_ERROR_CHECK(err_code); } /**@brief Function for initializing the Nordic UART Service (NUS) client. */ static void nus_c_init(void) { ret_code_t err_code; ble_nus_c_init_t init; init.evt_handler = ble_nus_c_evt_handler; init.error_handler = nus_error_handler; init.p_gatt_queue = &m_ble_gatt_queue; err_code = ble_nus_c_init(&m_ble_nus_c, &init); APP_ERROR_CHECK(err_code); } /**@brief Function for initializing buttons and leds. */ static void buttons_leds_init(void) { ret_code_t err_code; bsp_event_t startup_event; err_code = bsp_init(BSP_INIT_LEDS | BSP_INIT_BUTTONS, bsp_event_handler); APP_ERROR_CHECK(err_code); // err_code = bsp_btn_ble_init(NULL, &startup_event); //APP_ERROR_CHECK(err_code); //bsp_board_init(BSP_INIT_BUTTONS); //bsp_board_init(BSP_INIT_LEDS | BSP_INIT_BUTTONS) // ret_code_t ret; //ret = bsp_init(BSP_INIT_BUTTONS, bsp_event_callback); //APP_ERROR_CHECK(ret); // INIT_BSP_ASSIGN_RELEASE_ACTION(BTN_MOUSE_X_POS); //INIT_BSP_ASSIGN_RELEASE_ACTION(BTN_MOUSE_LEFT ); //INIT_BSP_ASSIGN_RELEASE_ACTION(BTN_KBD_SHIFT ); //INIT_BSP_ASSIGN_RELEASE_ACTION(BTN_KBD_LETTER ); } /**@brief Function for initializing the timer. */ static void timer_init(void) { ret_code_t err_code = app_timer_init(); APP_ERROR_CHECK(err_code); } /**@brief Function for initializing the nrf log module. */ static void log_init(void) { ret_code_t err_code = NRF_LOG_INIT(NULL); APP_ERROR_CHECK(err_code); NRF_LOG_DEFAULT_BACKENDS_INIT(); } /**@brief Function for initializing power management. */ static void power_management_init(void) { ret_code_t err_code; err_code = nrf_pwr_mgmt_init(); APP_ERROR_CHECK(err_code); } /** @brief Function for initializing the database discovery module. */ static void db_discovery_init(void) { ble_db_discovery_init_t db_init; memset(&db_init, 0, sizeof(ble_db_discovery_init_t)); db_init.evt_handler = db_disc_handler; db_init.p_gatt_queue = &m_ble_gatt_queue; ret_code_t err_code = ble_db_discovery_init(&db_init); APP_ERROR_CHECK(err_code); } /**@brief Function for handling the idle state (main loop). * * @details Handles any pending log operations, then sleeps until the next event occurs. */ static void idle_state_handle(void) { if (NRF_LOG_PROCESS() == false) { nrf_pwr_mgmt_run(); } } int main(void) { ret_code_t ret; static const app_usbd_config_t usbd_config = { .ev_state_proc = usbd_user_ev_handler, .enable_sof = true }; // Initialize. log_init(); timer_init(); ret = app_timer_create(&m_mouse_move_timer, APP_TIMER_MODE_REPEATED, mouse_move_timer_handler); APP_ERROR_CHECK(ret); buttons_leds_init(); uart_init(); ret = nrf_drv_clock_init(); APP_ERROR_CHECK(ret); nrf_drv_clock_lfclk_request(NULL); while(!nrf_drv_clock_lfclk_is_running()) { /* Just waiting */ } printf("USBD audio example started.\r\n"); NRF_LOG_INFO("USBD audio example started."); ret = app_usbd_init(&usbd_config); APP_ERROR_CHECK(ret); app_usbd_class_inst_t const * class_inst_mic = app_usbd_audio_class_inst_get(&m_app_audio_microphone); ret = app_usbd_class_append(class_inst_mic); APP_ERROR_CHECK(ret); app_usbd_class_inst_t const * class_inst_mouse; #if CONFIG_HAS_MOUSE class_inst_mouse = app_usbd_hid_mouse_class_inst_get(&m_app_hid_mouse); #else class_inst_mouse = app_usbd_dummy_class_inst_get(&m_app_mouse_dummy); #endif ret = app_usbd_class_append(class_inst_mouse); APP_ERROR_CHECK(ret); app_usbd_class_inst_t const * class_inst_kbd; #if CONFIG_HAS_KBD class_inst_kbd = app_usbd_hid_kbd_class_inst_get(&m_app_hid_kbd); #else class_inst_kbd = app_usbd_dummy_class_inst_get(&m_app_kbd_dummy); #endif ret = app_usbd_class_append(class_inst_kbd); APP_ERROR_CHECK(ret); NRF_LOG_INFO("USBD HID composite example started."); //init_bsp(); db_discovery_init(); power_management_init(); ble_stack_init(); gatt_init(); nus_c_init(); scan_init(); /* Start execution. printf("BLE UART central example started.\r\n"); NRF_LOG_INFO("BLE UART central example started."); scan_start(); //Enter main loop. for (;;) { idle_state_handle(); } */ // Initialize LEDs and buttons //bsp_board_init(BSP_INIT_LEDS | BSP_INIT_BUTTONS); // app_usbd_class_inst_t const * class_inst_hp = // app_usbd_audio_class_inst_get(&m_app_audio_headphone); // ret = app_usbd_audio_sof_interrupt_register(class_inst_hp, hp_sof_ev_handler); // APP_ERROR_CHECK(ret); // ret = app_usbd_class_append(class_inst_hp); // APP_ERROR_CHECK(ret); /* app_usbd_class_inst_t const * class_inst_mouse; #if CONFIG_HAS_MOUSE class_inst_mouse = app_usbd_hid_mouse_class_inst_get(&m_app_hid_mouse); #else class_inst_mouse = app_usbd_dummy_class_inst_get(&m_app_mouse_dummy); #endif ret = app_usbd_class_append(class_inst_mouse); APP_ERROR_CHECK(ret); app_usbd_class_inst_t const * class_inst_kbd; #if CONFIG_HAS_KBD class_inst_kbd = app_usbd_hid_kbd_class_inst_get(&m_app_hid_kbd); #else class_inst_kbd = app_usbd_dummy_class_inst_get(&m_app_kbd_dummy); #endif ret = app_usbd_class_append(class_inst_kbd); APP_ERROR_CHECK(ret); NRF_LOG_INFO("USBD HID composite example started."); */ printf("BLE UART central example started.\r\n"); NRF_LOG_INFO("BLE UART central example started."); scan_start(); if (USBD_POWER_DETECTION) { ret = app_usbd_power_events_enable(); APP_ERROR_CHECK(ret); } else { NRF_LOG_INFO("No USB power detection enabled\r\nStarting USB now"); app_usbd_enable(); app_usbd_start(); } //Enter main loop. for (;;) { while (app_usbd_event_queue_process()) { /* Nothing to do */ } //UNUSED_RETURN_VALUE(NRF_LOG_PROCESS()); idle_state_handle(); } }