shoes_project/touch_floor_by_imu/system/main.c

#include "main.h"
#include "bsp_time.h"
#include "hal_ble_client.h"
#include "hal_ble_host.h"
#include "nrf_delay.h"

void ble_dfu_evt_handler(ble_dfu_buttonless_evt_type_t event)
{
    switch (event)
    {
    case BLE_DFU_EVT_BOOTLOADER_ENTER_PREPARE:
    {
#if DEBUG_EN
#if NRF_LOG_ENABLED
        NRF_LOG_INFO("Device is preparing to enter bootloader mode.\n");
#endif
#endif
        break;
    }

    case BLE_DFU_EVT_BOOTLOADER_ENTER:
// YOUR_JOB: Write app-specific unwritten data to FLASH, control finalization of this
//           by delaying reset by reporting false in app_shutdown_handler
#if DEBUG_EN
#if NRF_LOG_ENABLED
        NRF_LOG_INFO("Device will enter bootloader mode.\n");
#endif
#endif
        break;

    case BLE_DFU_EVT_BOOTLOADER_ENTER_FAILED:
#if DEBUG_EN
#if NRF_LOG_ENABLED
        NRF_LOG_INFO("Request to enter bootloader mode failed asynchroneously.\n");
#endif
#endif
        // YOUR_JOB: Take corrective measures to resolve the issue
        //           like calling APP_ERROR_CHECK to reset the device.
        break;

    case BLE_DFU_EVT_RESPONSE_SEND_ERROR:
#if DEBUG_EN
        NRF_LOG_INFO("Request to send a response to client failed.\n");
#endif
        // YOUR_JOB: Take corrective measures to resolve the issue
        //           like calling APP_ERROR_CHECK to reset the device.
        APP_ERROR_CHECK(false);
        break;

    default:
#if DEBUG_EN
#if NRF_LOG_ENABLED
        NRF_LOG_INFO("Unknown event from ble_dfu_buttonless.\n");
#endif
#endif
        break;
    }
}

#if NRF_LOG_ENABLED
static void log_init(void)
{
    ret_code_t err_code = NRF_LOG_INIT(NULL);
    APP_ERROR_CHECK(err_code);

    NRF_LOG_DEFAULT_BACKENDS_INIT();
}
#endif

extern void PRE_Init(void);
extern void USR_Init(void);
extern void USR_Process(void);
int main(void)
{
	nrf_gpio_cfg_input(PIN_TXD_BLE, NRF_GPIO_PIN_NOPULL);
	nrf_gpio_cfg_input(PIN_RXD_BLE, NRF_GPIO_PIN_NOPULL);
	nrf_delay_ms(2000);

#if BLE_DFU_ENANBLE
    ret_code_t err_code;
    err_code = ble_dfu_buttonless_async_svci_init();
    APP_ERROR_CHECK(err_code);
#endif
#if NRF_LOG_ENABLED
    log_init();
#endif
    PRE_Init(); //Óû§³õʼ»¯

#if BLE_DFU_ENANBLE
    ble_dfu_buttonless_init_t dfus_init = {0}; //DFU
    dfus_init.evt_handler = ble_dfu_evt_handler;
    err_code = ble_dfu_buttonless_init(&dfus_init);
    APP_ERROR_CHECK(err_code);
#endif

    USR_Init(); //Óû§³õʼ»¯
    
    while (1)
    {
		 #if NRF_LOG_ENABLED
			  NRF_LOG_FLUSH();
		 #endif
        USR_Process();
    }
}