FeatherHAB/wsprhab Changeset - 1ecaddb549ab

Changeset - 1ecaddb549ab

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Ethan Zonca - 9 years ago 2016-10-13 21:00:18
ez@ethanzonca.com

Disable timer clocks, fix transmission issues

3 files changed with 37 insertions and 17 deletions:

src/i2c.c

src/main.c

src/wspr.c

0 comments (0 inline, 0 general)

src/i2c.c

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@@ @@ -36,6 +36,13 @@ void i2c_init(void) @@
+}
 void i2c_deinit(void)
+{
     HAL_I2C_DeInit(&hi2c1);
     __I2C1_CLK_DISABLE();
+}
 // Get pointer to I2C port
 I2C_HandleTypeDef* i2c_get(void)
+{

src/main.c

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@@ @@ -38,7 +38,6 @@ int main(void) @@
     rtc_init();
     gpio_init();
     adc_init();
     i2c_init();
     wspr_init();
     uint32_t led_timer = HAL_GetTick();
@@ @@ -61,7 +60,7 @@ int main(void) @@
+    {
     	// Every 10 minutes, wake up and try to wspr
     	if(HAL_GetTick() - last_wspr_tx_time > 60000 * 10)
+    	if(state == SYSTEM_IDLE && (HAL_GetTick() - last_wspr_tx_time > 60000 * 10))
+    	{
     		state = SYSTEM_GPSACQ;
+    	}
@@ @@ -150,7 +149,7 @@ int main(void) @@
             // Wait for wspr timeslot and start transmitting
             case SYSTEM_WSPRTX:
+            {
-            	blink_rate = BLINK_SLOW;
+            	blink_rate = BLINK_MED;
                 // Wait for wspr countdown timer to expire and go to tx
 //                if(timeout_expired)
 //                {
@@ @@ -166,8 +165,8 @@ int main(void) @@
             			__calc_gridloc(grid_locator, latitude_flt, longitude_flt);
 						last_wspr_tx_time = HAL_GetTick();
 						wspr_transmit(grid_locator);
 						last_wspr_tx_time = HAL_GetTick();
 						state = SYSTEM_IDLE;
+            		}
             		else

src/wspr.c

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Show inline comments

@@ @@ -30,19 +30,6 @@ TIM_HandleTypeDef htim1; @@
 void wspr_init(void)
+{
     // Start timer for WSPR
     __TIM1_CLK_ENABLE();
     htim1.Instance = TIM1;
     htim1.Init.Prescaler = 512; // gives 64uS ticks from 8MHz ahbclk
     htim1.Init.CounterMode = TIM_COUNTERMODE_UP;
     htim1.Init.Period = ctc; // Count up to this value (how many 64uS ticks per symbol)
     htim1.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
     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);
@@ @@ -68,11 +55,27 @@ void wspr_transmit(uint8_t* grid_locator @@
 		loc[i] = grid_locator[i];
 	loc[4] = '\0';
     // Start timer for WSPR
     __TIM1_CLK_ENABLE();
     htim1.Instance = TIM1;
     htim1.Init.Prescaler = 512; // gives 64uS ticks from 8MHz ahbclk
     htim1.Init.CounterMode = TIM_COUNTERMODE_UP;
     htim1.Init.Period = ctc; // Count up to this value (how many 64uS ticks per symbol)
     htim1.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
     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);
     HAL_GPIO_WritePin(OSC_NOTEN, 0);
     HAL_GPIO_WritePin(TCXO_EN, 1);
     HAL_Delay(100);
     // Bring up the chip
     i2c_init();
     si5351_init(i2c_get(), SI5351_CRYSTAL_LOAD_8PF, 0);
     si5351_set_correction(0);
     //si5351_set_pll(SI5351_PLL_FIXED, SI5351_PLLA);
@@ @@ -114,5 +117,16 @@ void wspr_transmit(uint8_t* grid_locator @@
     HAL_GPIO_WritePin(OSC_NOTEN, 1);
     HAL_GPIO_WritePin(TCXO_EN, 0);
     i2c_deinit();
     // Disable timer
     HAL_NVIC_DisableIRQ(TIM1_BRK_UP_TRG_COM_IRQn);
     HAL_TIM_Base_Stop_IT(&htim1);
     HAL_TIM_Base_DeInit(&htim1);
     __TIM1_CLK_DISABLE();
+}

0 comments (0 inline, 0 general)