Changeset - 38f0f2457409
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Ethan Zonca - 9 years ago 2016-10-13 20:21:04
ez@ethanzonca.com
Fix issue where code would constantly enter gpsacq state because of last wspr timeout expiring
3 files changed with 18 insertions and 0 deletions:
0 comments (0 inline, 0 general)
src/gps.c
Show inline comments
 
@@ -189,64 +189,78 @@ void gps_poweron(void)
 
	HAL_UART_Transmit(uart_gethandle(), setGSA, sizeof(setGSA)/sizeof(uint8_t), 100);
 
	HAL_Delay(100);
 

	
 
	uint8_t setGSV[] = {0XB5, 0X62, 0X06, 0X01, 0X08, 0X00, 0XF0, 0X03, 0X00, 0X00, 0X00, 0X00, 0X00, 0X00, 0X02, 0X38};
 
	HAL_UART_Transmit(uart_gethandle(), setGSV, sizeof(setGSV)/sizeof(uint8_t), 100);
 
	HAL_Delay(100);
 

	
 
	uint8_t setRMC[] = {0XB5, 0X62, 0X06, 0X01, 0X08, 0X00, 0XF0, 0X04, 0X00, 0X00, 0X00, 0X00, 0X00, 0X00, 0X03, 0X3F};
 
	HAL_UART_Transmit(uart_gethandle(), setRMC, sizeof(setRMC)/sizeof(uint8_t), 100);
 
	HAL_Delay(100);
 

	
 
	uint8_t setVTG[] = {0XB5, 0X62, 0X06, 0X01, 0X08, 0X00, 0XF0, 0X05, 0X00, 0X00, 0X00, 0X00, 0X00, 0X00, 0X04, 0X46};
 
	HAL_UART_Transmit(uart_gethandle(), setVTG, sizeof(setRMC)/sizeof(uint8_t), 100);
 
	HAL_Delay(100);
 

	
 

	
 
//    // Disable GLONASS mode
 
//    uint8_t disable_glonass[20] = {0xB5, 0x62, 0x06, 0x3E, 0x0C, 0x00, 0x00, 0x00, 0x20, 0x01, 0x06, 0x08, 0x0E, 0x00, 0x00, 0x00, 0x01, 0x01, 0x8F, 0xB2};
 
//
 
//    //gps_sendubx(disable_glonass, 20);
 
//    volatile HAL_StatusTypeDef res = HAL_UART_Transmit(uart_gethandle(), disable_glonass, 20, 100);
 
//
 
//    // Enable power saving
 
//    uint8_t enable_powersave[10] = {0xB5, 0x62, 0x06, 0x11, 0x02, 0x00, 0x08, 0x01, 0x22, 0x92};
 
//    //gps_sendubx(enable_powersave, 10);
 
//    res = HAL_UART_Transmit(uart_gethandle(), enable_powersave, 10, 100);
 
//
 
//
 
//    // Set dynamic model 6 (<1g airborne platform)
 
//    uint8_t airborne_model[] = { 0xB5, 0x62, 0x06, 0x24, 0x24, 0x00, 0xFF, 0xFF, 0x06, 0x03, 0x00, 0x00, 0x00, 0x00, 0x10, 0x27, 0x00, 0x00, 0x05, 0x00, 0xFA, 0x00, 0xFA, 0x00, 0x64, 0x00, 0x2C, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x16, 0xDC };
 
//    //gps_sendubx(airborne_model, sizeof(airborne_model)/sizeof(uint8_t));
 
//    res = HAL_UART_Transmit(uart_gethandle(), airborne_model, sizeof(airborne_model)/sizeof(uint8_t), 100);
 

	
 

	
 

	
 

	
 

	
 
    // Begin DMA reception
 
    //HAL_UART_Receive_DMA(uart_gethandle(), nmeaBuffer, NMEABUFFER_SIZE);
 

	
 
    gpson = 1;
 
}
 

	
 

	
 
// Power off GPS module
 
void gps_poweroff(void)
 
{
 
    // NOTE: pchannel
 
	position.hour = 0;
 
	position.minute = 0;
 
	position.second = 0;
 
	position.altitude = 0;
 
	position.latitude = 0;
 
	position.longitude = 0;
 
	position.day = 0;
 
	position.month = 0;
 
	position.fixtype = 0;
 
	position.valid = 0;
 
	position.pdop = 0;
 
	position.sats_in_solution = 0;
 
	position.speed = 0;
 

	
 
    uart_deinit();
 
    HAL_GPIO_WritePin(GPS_NOTEN, 1);
 
    gpson = 0;
 
}
 

	
 
gps_data_t* gps_getdata(void)
 
{
 
    return &position;
 
}
 

	
 
uint8_t gps_ison(void)
 
{
 
    return gpson;
 
}
 

	
 
// vim:softtabstop=4 shiftwidth=4 expandtab 
src/main.c
Show inline comments
 
@@ -95,96 +95,98 @@ int main(void)
 
        switch(state)
 
        {
 
 
            // Idling: sleep and wait for RTC timeslot trigger
 
            case SYSTEM_IDLE:
 
            {
 
                blink_rate = BLINK_SLOW;
 
                HAL_PWR_EnterSLEEPMode(0, PWR_SLEEPENTRY_WFI);
 
                // 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;
 
 
                if(!gps_ison())
 
                {
 
                	fix_acq_starttime = HAL_GetTick();
 
                    gps_poweron(); // power on and initialize GPS module
 
                }
 
 
                // If 3d fix with a decent enough precision
 
                if( ((gps_getdata()->fixtype == 2) || (gps_getdata()->fixtype == 3)) && gps_getdata()->pdop < 10)
 
                {
 
                    // 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!
 
                    fix_acq_starttime = 0;
 
                    state = SYSTEM_WSPRTX;
 
                }
 
                // 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;
 
                }
 
            } break;
 
 
            
 
            // Wait for wspr timeslot and start transmitting
 
            case SYSTEM_WSPRTX:
 
            {
 
            	blink_rate = BLINK_SLOW;
 
                // Wait for wspr countdown timer to expire and go to tx
 
//                if(timeout_expired)
 
//                {
 
 
            	// 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);
 
 
						wspr_transmit(grid_locator);
 
						last_wspr_tx_time = HAL_GetTick();
 
						state = SYSTEM_IDLE;
 
            		}
 
            		else
 
            		{
 
            			// Window was missed, go back to idle, and try again after time delay
 
						last_wspr_tx_time = HAL_GetTick();
 
            			state = SYSTEM_IDLE;
 
            		}
 
                }
 
 
                // Schedule next wakeup (maybe 2mins prior ot timeslot if no osc trim)
 
                // Next wakeup should enter SYSTEM_GPSACQ state...
 
 
            } break;
 
 
        }
 
 
 
        if(HAL_GetTick() - led_timer > blink_rate)
 
        {
 
            ledpulse();
 
            led_timer = HAL_GetTick();
src/uart.c
Show inline comments
 
@@ -48,66 +48,68 @@ void uart_init(void)
 
    HAL_UART_Init(&huart1);
 
 
 
//
 
//    __DMA1_CLK_ENABLE();
 
//
 
//  // Init UART DMA
 
//    hdma_usart1_rx.Instance = DMA1_Channel3;
 
//    hdma_usart1_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
 
//    hdma_usart1_rx.Init.PeriphInc = DMA_PINC_DISABLE;
 
//    hdma_usart1_rx.Init.MemInc = DMA_MINC_ENABLE;
 
//    hdma_usart1_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
 
//    hdma_usart1_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
 
//    hdma_usart1_rx.Init.Mode = DMA_CIRCULAR;
 
//    hdma_usart1_rx.Init.Priority = DMA_PRIORITY_LOW;
 
//    HAL_DMA_Init(&hdma_usart1_rx);
 
//
 
//    __HAL_LINKDMA(&huart1,hdmarx,hdma_usart1_rx);
 
//
 
//    hdma_usart1_tx.Instance = DMA1_Channel2;
 
//    hdma_usart1_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
 
//    hdma_usart1_tx.Init.PeriphInc = DMA_PINC_DISABLE;
 
//    hdma_usart1_tx.Init.MemInc = DMA_MINC_DISABLE;
 
//    hdma_usart1_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
 
//    hdma_usart1_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
 
//    hdma_usart1_tx.Init.Mode = DMA_NORMAL;
 
//    hdma_usart1_tx.Init.Priority = DMA_PRIORITY_LOW;
 
//    HAL_DMA_Init(&hdma_usart1_tx);
 
//
 
//    __HAL_LINKDMA(&huart1,hdmatx,hdma_usart1_tx);
 
//
 
////    HAL_NVIC_SetPriority(DMA1_Channel2_3_IRQn, 0, 0);
 
////    HAL_NVIC_EnableIRQ(DMA1_Channel2_3_IRQn);
 
 
    HAL_NVIC_SetPriority(USART1_IRQn, 0, 0);
 
    //HAL_NVIC_EnableIRQ(USART1_IRQn);
 
    HAL_NVIC_DisableIRQ(USART1_IRQn);
 
 
    uart_initted = 1;
 
}
 
 
void uart_deinit(void)
 
{
 
    if(uart_initted == 1)
 
    {
 
        //HAL_DMA_DeInit(&hdma_usart1_rx);
 
        //HAL_DMA_DeInit(&hdma_usart1_tx);
 
        HAL_UART_DeInit(&huart1);
 
        __HAL_RCC_USART1_CLK_DISABLE();
 
 
        uart_initted = 0;
 
    }
 
}
 
 
UART_HandleTypeDef* uart_gethandle(void)
 
{
 
    return &huart1;
 
} 
 
 
DMA_HandleTypeDef* uart_get_txdma_handle(void)
 
{
 
    return &hdma_usart1_tx;
 
}
 
DMA_HandleTypeDef* uart_get_rxdma_handle(void)
 
{
 
    return &hdma_usart1_rx;
 
}
 
0 comments (0 inline, 0 general)