FeatherHAB/wsprhab Changeset - 876e5a9f77ab

Changeset - 876e5a9f77ab

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Ethan Zonca - 7 years ago 2019-09-02 21:44:09
ez@ethanzonca.com

Add stop mode to all modes of operation

1 file changed with 29 insertions and 19 deletions:

src/main.c

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src/main.c

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@@ @@ -49,25 +49,25 @@ int main(void) @@
     rtc_init();
     adc_init();
     wspr_init();
     uint32_t led_timer = HAL_GetTick();
     led_blink(4);
     uint16_t blink_rate = BLINK_FAST;
     uint8_t state = SYSTEM_GPSACQ;
     // DEBUG EMZ FIXME
     state = SYSTEM_IDLE;
+//    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;
     uint64_t idle_blink_last = 0;
     uint8_t packet_type = 0;
     // Transmit pilot tone to test TX on bootup
     HAL_Delay(1000);
@@ @@ -83,24 +83,29 @@ int main(void) @@
+    {
     	// 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())
+            {
             	HAL_GPIO_WritePin(LED_BLUE, 1);
             	HAL_Delay(50);
             	HAL_GPIO_WritePin(LED_BLUE, 0);
             	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;
+            	}
             	// If even minute
             	else
@@ @@ -134,30 +139,26 @@ int main(void) @@
                 // Go into stop mode for ~1s or so
                 __sleep_enter_stop();
                 // TODO: Eventually use GPS time to calibrate the RTC maybe/trim RTC clock
             } 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);
                 //blink_rate = BLINK_FAST;
                 blink_rate = BLINK_DISABLE;
                 if(!gps_ison())
+                {
                 	fix_acq_starttime = HAL_GetTick();
                     gps_poweron(); // power on and initialize GPS module
+                }
                 // TODO: Move GPS processing into here from above!
                 // If 3d fix with a decent enough precision
                 if( ((gps_getdata()->fixtype == 2) || (gps_getdata()->fixtype == 3)) && gps_getdata()->pdop < 10 && nextwspr_time_valid == 1)
@@ @@ -175,34 +176,40 @@ int main(void) @@
                     adc_start();
+                }
                 // If no decent fix in 3 minutes
                 else if(HAL_GetTick() - fix_acq_starttime > 60000 * 3)
+                {
                 	// Flash error code and go to idle, try again next time
                 	led_blink(4);
                     gps_poweroff();
                     fix_acq_starttime = 0;
                     last_wspr_tx_time = HAL_GetTick(); // repeat acq/tx cycle after big time delay
                 	state = SYSTEM_IDLE;
+                }
                 else
+                {
                 	// We're waiting for a GPS fix, might as well sleep and let the GPS get a fix.
             		// Enter stop mode for 1 second. Blink in the GPS code above.
                     __sleep_enter_stop();
+                }
             } break;
             // Wait for wspr timeslot and start transmitting
             case SYSTEM_WSPRTX:
+            {
             	blink_rate = BLINK_MED;
                 // Wait for wspr countdown timer to expire and go to tx
 //                if(timeout_expired)
 //                {
             	//blink_rate = BLINK_MED;
                 blink_rate = BLINK_DISABLE;
             	// If we're after the minute but not more than 2s after the minute, start tx
             	if(HAL_GetTick() >= nextwspr_time)
+            	{
             		if(HAL_GetTick() < nextwspr_time + 2000)
+            		{
             			volatile double latitude_flt = (double)gps_getdata()->latitude / 10000000.0;
             			volatile double longitude_flt = (double)gps_getdata()->longitude / 10000000.0;
             			volatile uint8_t grid_locator[7];
             			__calc_gridloc(grid_locator, latitude_flt, longitude_flt);
@@ @@ -215,33 +222,36 @@ int main(void) @@
+            		}
             		else
+            		{
             			// Window was missed, go back to idle, and try again after time delay
 						last_wspr_tx_time = HAL_GetTick();
             			state = SYSTEM_IDLE;
                         adc_stop();
+            		}
                     nextwspr_time_valid = 0; // invalidate wspr time
+                }
             	else
+            	{
                     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);
                 	HAL_GPIO_WritePin(LED_BLUE, 1);
                 	HAL_Delay(50);
                 	HAL_GPIO_WritePin(LED_BLUE, 0);
                 	HAL_Delay(50);
                 	HAL_GPIO_WritePin(LED_BLUE, 1);
                 	HAL_Delay(50);
                 	HAL_GPIO_WritePin(LED_BLUE, 0);
             		// Enter stop mode for 1 second
                     __sleep_enter_stop();
+            	}
                 // Schedule next wakeup (maybe 2mins prior to timeslot if no osc trim)
                 // Next wakeup should enter SYSTEM_GPSACQ state...
             } break;
+        }
 		#ifndef LED_DISABLE
 			if((blink_rate != BLINK_DISABLE) && (HAL_GetTick() - led_timer > blink_rate))
+			{
 				ledpulse();
 				led_timer = HAL_GetTick();
+			}
 			if((blink_rate != BLINK_DISABLE) && (statled_ontime && HAL_GetTick() - statled_ontime > 10))
@@ @@ -249,28 +259,28 @@ int main(void) @@
 				HAL_GPIO_WritePin(LED_BLUE, 0);
 				statled_ontime = 0;
+			}
 		#endif
+    }
+}
 static void __sleep_enter_stop(void)
+{
 	// Save ms unix timestamp before we enter sleep mode
 	HAL_SuspendTick();
 	uint64_t start = rtc_timestamp();
 	__HAL_PWR_CLEAR_FLAG(PWR_FLAG_WU);
 	HAL_SuspendTick();
 	HAL_PWR_EnterSTOPMode(PWR_LOWPOWERREGULATOR_ON, PWR_STOPENTRY_WFI);
 	// Calculate how long we were asleep
 	uint32_t timedelta = rtc_timestamp() - start;
 	// Increment systick by this value to keep all timing happy
 	HAL_IncTickBy(timedelta);
 	HAL_ResumeTick();
 	// We have woken up! Clear wakeup flag
 	__HAL_PWR_CLEAR_FLAG(PWR_FLAG_WU);
+}

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