FeatherHAB/wsprhab Changeset - 659774b354b1

Changeset - 659774b354b1

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Ethan Zonca - 9 years ago 2016-09-18 19:40:52
ez@ethanzonca.com

Add a bunch of nonworking state machine code

3 files changed with 84 insertions and 51 deletions:

inc/gpio.h

src/main.c

src/wspr.c

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inc/gpio.h

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 #ifndef __gpio_H
 #define __gpio_H
 #include "stm32f0xx_hal.h"
 enum _blinkrate
+{
     BLINK_FAST = 50,
     BLINK_MED = 250,
     BLINK_SLOW = 500
+}
 #define OSC_EN_Pin GPIO_PIN_1
 #define OSC_EN_GPIO_Port GPIOF
 #define OSC_NOTEN OSC_EN_GPIO_Port , OSC_EN_Pin
 #define GPS_NEN_Pin GPIO_PIN_0
 #define GPS_NEN_GPIO_Port GPIOF

src/main.c

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@@ @@ -9,95 +9,117 @@ @@
 #include "uart.h"
 #include "gpio.h"
 #include "wspr.h"
 #include "gps.h"
 // We have access to the 1PPS pin of the gps... could have trim routine for internal oscillator based on this when we have a fix
 // Probabl wake up 1 minute early -- 0.45min possible +/- on wakeup time with 15min sync intervals
 enum _state
+{
     SYSTEM_POWERUP_SYNC = 0, // on powerup, get a GPS fix and set the RTC
     SYSTEM_IDLE, // awaiting RTC interrupt for wakeup TODO wake up before scheduled time to get fix?
     SYSTEM_GPSACQ, // RTC interrupted
     SYSTEM_WSPRTX, // Wait for timeslot and actually transmit the message
+}
 int main(void)
+{
     HAL_Init();
     sysclk_init();
     gpio_init();
     adc_init();
     i2c_init();
     gps_init();
     //jtencode_init();
     HAL_Delay(300);
     //gps_poweroff();
     // Disable ICs
     HAL_GPIO_WritePin(OSC_NOTEN, 1);
     HAL_GPIO_WritePin(TCXO_EN, 0);
     wspr_init();
     uint32_t led_timer = HAL_GetTick();
     uint32_t last_gps  = HAL_GetTick();
     uint32_t last_wspr  = HAL_GetTick(); //0xfffff; // start immediately.
     led_blink(4);
     uint8_t lastMinute = 0;
     uint16_t blink_rate = 250;
     uint16_t blink_rate = BLINK_FAST;
     uint8_t state = SYSTEM_GPSACQ;
     while (1)
+    {
         switch(state)
+        {
             // Idling: sleep and wait for RTC timeslot trigger
             case SYSTEM_IDLE:
+            {
                 blink_rate = BLINK_SLOW;
                 // Wait for RTC wakeup interrupt
                 wfi();
                 //enter_sleep();
                 // Somehow go to another state when we get an interrupt
                 state = SYSTEM_GPSACQ;
             } break;
             // Attempt to acquire GPS fix
             case SYSTEM_GPSACQ:
+            {
                 blink_rate = BLINK_FAST;
                 // TODO: probably don't power on all the time, just on state transition
     gps_poweron();
     HAL_Delay(500);
     gps_update_position();
     while (1)
+    {
         // TODO: Trigger this when RTC thinks its time to go
         if(HAL_GetTick() - last_wspr > 500)
+        {
             switch(gps_getstate())
                 if(fix_ok)
+            {
                 case GPS_STATE_ACQUIRING:
                     blink_rate = 250;
                     break;
                 case GPS_STATE_FRESHFIX:
                     blink_rate = 50;
                     break;
                 case GPS_STATE_STALEFIX:
                 case GPS_STATE_NOFIX:
                     gps_acquirefix();
                     blink_rate = 500;
                     break;
                     // Disable GPS module
                     gps_poweroff();
                     // TODO: Set RTC from GPS time
                     // TODO: Set RTC for countdown to next transmission timeslot!
                     // TODO: Set wspr countdown timer for this transmission!
                     state = SYSTEM_WSPRTX;
+                }
                 else if(fix_timeout)
+                {
                     // Flash error code and go to idle probably? or just try forever?
+            }
             uint8_t hour, minute, second;
             gps_update_time(&hour, &minute, &second);
             } break;
             // EMZ TODO: this needs to trigger off of RTC minute, not GPS minute
             // If last minute was odd and this minute is even (transition)
 //            if(lastMinute%2 == 1 && minute%2 == 0)
 //            {
 //                // Wait until the first second of the minute
 //                HAL_Delay(1000);
 //                wspr_transmit();
 //            }
             // Wait for wspr timeslot and start transmitting
             case SYSTEM_WSPRTX:
+            {
                 // Wait for wspr countdown timer to expire and go to tx
                 if(timeout_expired)
+                {
                     wspr_transmit();
+                }
             lastMinute = minute;
             last_wspr = HAL_GetTick();
                 // Schedule next wakeup (maybe 2mins prior ot timeslot if no osc trim)
                 // Next wakeup should enter SYSTEM_GPSACQ state...
                 state = SYSTEM_IDLE;
             } break;
+        }
         if(HAL_GetTick() - led_timer > blink_rate)
+        {
             HAL_GPIO_TogglePin(LED_BLUE);
             led_timer = HAL_GetTick();
+        }
         if(HAL_GetTick() - last_gps > 10)
+        {
             //gps_process();
         	gps_update_position();
             last_gps = HAL_GetTick();
+        }
         //enter_sleep();
+    }
+}

src/wspr.c

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@@ @@ -40,12 +40,15 @@ void wspr_init(void) @@
     htim1.Init.RepetitionCounter = 0;
     HAL_TIM_Base_Init(&htim1);
     HAL_TIM_Base_Start_IT(&htim1);
     HAL_NVIC_SetPriority(TIM1_BRK_UP_TRG_COM_IRQn, 0, 0);
     HAL_NVIC_EnableIRQ(TIM1_BRK_UP_TRG_COM_IRQn);
     // Turn off ICs
     HAL_GPIO_WritePin(OSC_NOTEN, 1);
     HAL_GPIO_WritePin(TCXO_EN, 0);
+}
 // Do anything needed to prepare for sleep
 void wspr_sleep(void)
+{
     HAL_TIM_Base_Stop_IT(&htim1);

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