Changeset - cc569dddb24e
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Ethan Zonca - 7 years ago 2019-09-01 21:01:53
ez@ethanzonca.com
Thinks kinda work if we clear the wakeup flags and enable debugging in STOP mode... power usage went up a lot with debug in stop though.
1 file changed with 7 insertions and 1 deletions:
0 comments (0 inline, 0 general)
src/main.c
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@@ -51,48 +51,52 @@ int main(void)
 
 
    uint32_t led_timer = HAL_GetTick();
 
 
    led_blink(4);
 
 
    uint16_t blink_rate = BLINK_FAST;
 
//    uint8_t state = SYSTEM_GPSACQ;
 
//DEBUG:
 
    uint8_t state = SYSTEM_IDLE;
 
 
    uint32_t gps_polltimer = 0;
 
    uint32_t fix_acq_starttime = 0;
 
    uint32_t nextwspr_time = 0;
 
    uint8_t nextwspr_time_valid = 0;
 
    uint32_t last_wspr_tx_time = 0;
 
 
    uint8_t packet_type = 0;
 
 
    // Transmit pilot tone to test TX on bootup
 
    HAL_Delay(1000);
 
    wspr_pilot_tone();
 
    adc_stop();
 
    HAL_Delay(1000);
 
 
    __DBGMCU_CLK_ENABLE() ; // (RCC->APB2ENR |= (RCC_APB2ENR_DBGMCUEN))
 
    HAL_EnableDBGStopMode();  //  SET_BIT(DBGMCU->CR, DBGMCU_CR_DBG_STOP);
 
 
 
    while (1)
 
    {
 
    	// TODO: Disable GPIO port clocking when not needed!
 
 
    	// Every 10 minutes, wake up and try to wspr
 
    	if(state == SYSTEM_IDLE && (HAL_GetTick() - last_wspr_tx_time > 60000 * 10))
 
    	{
 
    		state = SYSTEM_GPSACQ;
 
    	}
 
 
        // Update fix status every 2 seconds, only if the GPS is powered on
 
        if(HAL_GetTick() - gps_polltimer > 2000)
 
        {
 
            if(gps_ison())
 
            {
 
            	gps_update_data();
 
 
            	// If odd minute
 
            	if(gps_getdata()->minute % 2)
 
            	{
 
            		// Wait until even minute plus one second, coming soon
 
            		nextwspr_time = HAL_GetTick() + (60000 - (gps_getdata()->second * 1000));
 
                    nextwspr_time_valid = 1;
 
 
@@ -102,51 +106,53 @@ int main(void)
 
            	{
 
            		// Wait until odd minute, one minute and some change away
 
            		nextwspr_time = HAL_GetTick() + 60000 + (60000 - (gps_getdata()->second * 1000));
 
                    nextwspr_time_valid = 1;
 
            	}
 
            }
 
            gps_polltimer = HAL_GetTick();
 
        }
 
 
 
 
        switch(state)
 
        {
 
 
            // Idling: sleep and wait for RTC timeslot trigger
 
            case SYSTEM_IDLE:
 
            {
 
                blink_rate = BLINK_SLOW;
 
 
                // Actually sleep for real: disable systick and sleep until RTC interrupt
 
//                HAL_SuspendTick();
 
 
                // Enter sleep mode: wait for interrupt
 
                //HAL_PWR_EnterSLEEPMode(0, PWR_SLEEPENTRY_WFI);
 
                __HAL_PWR_CLEAR_FLAG(PWR_FLAG_WU);
 
        		HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI);
 
 
                // We have woken up!
 
                // We have woken up! Clear wakeup flag
 
        		__HAL_PWR_CLEAR_FLAG(PWR_FLAG_WU);
 
 
                // This is hopefully the only timer that needs to stay alive in idle mode
 
 //               last_wspr_tx_time += 0; // move this timer forward based on sleep length
 
 
 //               HAL_ResumeTick();
 
 
                // TODO: Eventually use GPS time to calibrate the RTC maybe
 
 
            } break;
 
 
 
            // Attempt to acquire GPS fix
 
            case SYSTEM_GPSACQ:
 
            {
 
                blink_rate = BLINK_FAST;
 
                HAL_PWR_EnterSLEEPMode(0, PWR_SLEEPENTRY_WFI);
 
                HAL_PWR_EnterSLEEPMode(0, PWR_SLEEPENTRY_WFI);
 
                HAL_PWR_EnterSLEEPMode(0, PWR_SLEEPENTRY_WFI);
 
                HAL_PWR_EnterSLEEPMode(0, PWR_SLEEPENTRY_WFI);
 
 
 
                if(!gps_ison())
 
                {
 
                	fix_acq_starttime = HAL_GetTick();
0 comments (0 inline, 0 general)