I built the GCC bootloader from source based on the suggestion of another user in this forum instead of using a precompiled hex file. The Softdevice is 7.1.
It shows DfuTarg. And using nRF Toolbox, I can send a zip package of a new application. It works 100% of the time.
The new application is using the same Softdevice and SDK. I added the Dfu service by using the reference code in ble hrs sample.
Once that new application is sent, I can select its device name in nRF Toolbox in the DFU menu, and send the same zip application just to try a firmware update.
However, with the application running, it fails 100% of the time. Upload failed : Gatt Error (133).
With nRF Master Control Panel, the log shows : Error (0x81) : GATT Internal Error, then Error (0x85) GATT Error.
I searched on google and this forum and I haven't found a problem similar to this.
Here is the parameters I used :
Linker script for bootloader : /* Linker script to configure memory regions. */
SEARCH_DIR(.)
GROUP(-lgcc -lc -lnosys)
MEMORY
{
FLASH (rx) : ORIGIN = 0x00035000, LENGTH = 44K
RAM (rwx) : ORIGIN = 0x20002000, LENGTH = 0x2000
BOOTLOADER_SETTINGS (rwx) : ORIGIN = 0x0003FC00, LENGTH = 0x400
}
SECTIONS
{
.bootloaderSettings 0x0003FC00 :
{
}
.uicrBootStartAddress 0x10001014 :
{
}
}
INCLUDE "gcc_nrf51_common.ld"
Linker script for application :
/* Linker script to configure memory regions. */
SEARCH_DIR(.)
GROUP(-lgcc -lc -lnosys)
MEMORY
{
FLASH (rx) : ORIGIN = 0x00016000, LENGTH = 0x2A000
RAM (rwx) : ORIGIN = 0x20002000, LENGTH = 0x2000
}
INCLUDE "gcc_nrf51_common.ld"
Modified dfu_types.h
#define BOOTLOADER_REGION_START 0x00035000
To create the init packet :
nrf.exe dfu genpkg app.zip --application firmware.hex --application-version 0xffff --dev-revision 0xffff --dev-type 0xffff --sd-req 0x5a
At the end of ble_service_init:
ble_dfu_init_t dfus_init;
// Initialize the Device Firmware Update Service.
memset(&dfus_init, 0, sizeof(dfus_init));
dfus_init.evt_handler = dfu_app_on_dfu_evt;
dfus_init.error_handler = NULL; //service_error_handler - Not used as only the switch from app to DFU mode is required and not full dfu service.
dfus_init.revision = DFU_REVISION;
err_code = ble_dfu_init(&m_dfus, &dfus_init);
APP_ERROR_CHECK(err_code);
dfu_app_reset_prepare_set(reset_prepare);
Function reset_prepare:
static void reset_prepare(void)
{
uint8_t err_code;
if(mConnectionHandle != BLE_CONN_HANDLE_INVALID)
{
err_code = sd_ble_gap_disconnect(mConnectionHandle, BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION);
APP_ERROR_CHECK(err_code);
}
else
{
// If not connected, then the device will be advertising. Hence stop the advertising.
sd_ble_gap_adv_stop();
}
}
I tried hundreds of combination of differents parameters to try to understand what is going on... Anybody have an idea how could I fix this ?
Thank you very much again!
Simon
