ChameleonUltra/firmware/application/src/utils/syssleep.c

#include "nrfx_power.h"
#include "app_timer.h"
#include "syssleep.h"

#include "nrf_log.h"
#include "nrf_log_ctrl.h"
#include "nrf_log_default_backends.h"


APP_TIMER_DEF(m_app_sleep_timer);       //The timer for equipment sleep
static volatile bool m_system_off_enter = false;

extern bool g_is_ble_connected; //Link to log in BLE
extern bool g_is_tag_emulating; //The status of the logo simulation card


/** @brief Equipment sleep timer event
 * @param none
 * @return none
 */
static void timer_sleep_event_handle(void *arg) {
    // The sleep conditions are achieved, set the logo bit, so that the processing in the main
    m_system_off_enter = true;
}

/**@brief Sleep soft timer initialization
 */
void sleep_timer_init(void) {
    ret_code_t err_code;

    // Create a soft timer and wait for a period of time to sleep
    err_code = app_timer_create(&m_app_sleep_timer, APP_TIMER_MODE_SINGLE_SHOT, timer_sleep_event_handle);
    APP_ERROR_CHECK(err_code);
}

/**@brief Sleeping soft timer stop
 */
void sleep_timer_stop() {
    m_system_off_enter = false;
    ret_code_t err_code = app_timer_stop(m_app_sleep_timer);
    APP_ERROR_CHECK(err_code);
}

/**@brief Sleep soft timer startup
 */
void sleep_timer_start(uint32_t time_ms) {
    // Close the previous sleep timer first
    sleep_timer_stop();
    // Non -USB power supply status
    if (nrfx_power_usbstatus_get() == NRFX_POWER_USB_STATE_DISCONNECTED) {
        // If Bluetooth is still connected, or is still in the state of simulation card, you don't need to start sleep
        if (g_is_ble_connected == false && g_is_tag_emulating == false) {
            // Start the timer
            ret_code_t err_code = app_timer_start(m_app_sleep_timer, APP_TIMER_TICKS(time_ms), NULL);
            APP_ERROR_CHECK(err_code);
        }
    }
}

/**
 *@brief Specific implementation of sleep
 *@param sysOff: The system off function implement.
 */
void sleep_system_run(void (*sysOffSleep)(), void (*sysOnSleep)()) {
    // No task to process, sleep enter
    if (m_system_off_enter) {
        m_system_off_enter = false;
        // Enter Sleep(System_OFF sleep mode) zzzzz.....
        sysOffSleep();
    } else {
        // Enter sleep(System_ON sleep mode) zzzzz.....
        // If no task can to process, we can sleep cpu sometime.
        sysOnSleep();
    }
}