FeatherHAB/wsprhab Changeset - 30ab6b66325f

Changeset - 30ab6b66325f

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Ethan Zonca - 7 years ago 2019-09-01 19:12:19
ez@ethanzonca.com

Add pilot tone and some power-saving stuff that really doesn't help at all

11 files changed with 100 insertions and 49 deletions:

.cproject

.settings/language.settings.xml

Makefile

inc/config.h

inc/wspr.h

lib/si5351/si5351.h

src/adc.c

src/gpio.c

src/main.c

src/system.c

src/wspr.c

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.cproject

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@@ @@ -2,30 +2,32 @@ @@
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.settings/language.settings.xml

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 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <project>
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 			<provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/>
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 			<provider copy-of="extension" id="org.eclipse.cdt.managedbuilder.core.GCCBuildCommandParser"/>
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+			<provider class="org.eclipse.cdt.managedbuilder.language.settings.providers.GCCBuiltinSpecsDetector" console="false" env-hash="1122202595071" id="ilg.gnuarmeclipse.managedbuild.cross.GCCBuiltinSpecsDetector" keep-relative-paths="false" name="CDT GCC Built-in Compiler Settings Cross ARM" parameter="${COMMAND} ${FLAGS} ${cross_toolchain_flags} -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true">
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 		</extension>
 	</configuration>
 </project>

Makefile

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@@ @@ -29,25 +29,25 @@ USER_DEFS += -D WSPRHAB_BUILD_NUMBER=$(B @@
 USER_INCLUDES =
 # USB_INCLUDES: includes for the usb library
 # USB_INCLUDES = -IMiddlewares/ST/STM32_USB_Device_Library/Core/Inc
 #USB_INCLUDES += -IMiddlewares/ST/STM32_USB_Device_Library/Class/CDC/Inc
 SI5351_INCLUDES = -Ilib/si5351
 JTENCODE_INCLUDES = -Ilib/jtencode
 # USER_CFLAGS: user C flags (enable warnings, enable debug info)
 USER_CFLAGS = -Wall -g -ffunction-sections -fdata-sections -Os -fno-common --function-sections -fdata-sections
 USER_CFLAGS += -flto
+#USER_CFLAGS += -flto
 # USER_LDFLAGS:  user LD flags
 USER_LDFLAGS = -fno-exceptions -ffunction-sections -fdata-sections -Wl,--gc-sections
 USER_LDFLAGS += -flto
 USER_LDFLAGS += --static
 #USER_LDFLAGS += -nostartfiles
 # TARGET_DEVICE: device to compile for
 TARGET_DEVICE = STM32F031x6
 #######################################
 # end of user configuration

inc/config.h

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 #ifndef CONFIG_H
 #define CONFIG_H
 // --------------------------------------------------------------------------
 // Transmitter config
 // --------------------------------------------------------------------------
+//#define LED_DISABLE
 // --------------------------------------------------------------------------
 // ADC config (adc.c)
 // --------------------------------------------------------------------------
-// Temperature sensor offset (die temperature from ambient, esimate, in Celcius)
+// Temperature sensor offset (die temperature from ambient, estimate, in Celcius)
 #define ADC_TEMPERATURE_OFFSET -10
 // --------------------------------------------------------------------------
 // AX.25 config (ax25.c)
 // --------------------------------------------------------------------------
 // TX delay in milliseconds
 #define TX_DELAY      500
 // Maximum packet delay
 #define MAX_PACKET_LEN 512  // bytes

inc/wspr.h

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 #ifndef _WSPR_H
 #define _WSPR_H
 // Prototypes
 void wspr_init(void);
 void wspr_sleep(void);
 void wspr_wakeup(void);
 void wspr_transmit(uint8_t* grid_locator, uint8_t send_alternate);
+void wspr_pilot_tone(void);
 #endif

lib/si5351/si5351.h

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@@ @@ -26,25 +26,25 @@ @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 #ifndef SI5351_H_
 #define SI5351_H_
 #include <stdint.h>
 #include "stm32f0xx_hal.h"
 /* Define definitions */
 #define SI5351_BUS_BASE_ADDR				((0x60 & 0x7f) << 1)
-#define SI5351_XTAL_FREQ					25000000
+#define SI5351_XTAL_FREQ					26000000
 #define SI5351_PLL_FIXED					90000000000ULL
 #define SI5351_FREQ_MULT					100ULL
 #define SI5351_DEFAULT_CLK					1000000000ULL
 #define SI5351_PLL_VCO_MIN					600000000
 #define SI5351_PLL_VCO_MAX					900000000
 #define SI5351_MULTISYNTH_MIN_FREQ		  	1000000
 #define SI5351_MULTISYNTH_DIVBY4_FREQ	 	150000000
 #define SI5351_MULTISYNTH_MAX_FREQ		  	160000000
 #define SI5351_MULTISYNTH_SHARE_MAX			112500000
 #define SI5351_MULTISYNTH67_MAX_FREQ	  	SI5351_MULTISYNTH_DIVBY4_FREQ
 #define SI5351_CLKOUT_MIN_FREQ			    	8000

src/adc.c

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@@ @@ -63,31 +63,37 @@ void adc_init(void) @@
     HAL_DMA_Init(&hdma_adc);
     __HAL_LINKDMA(&hadc,DMA_Handle,hdma_adc);
     HAL_ADC_Start_DMA(&hadc, adc_buffer, ADC_BUF_LEN);
+}
 void adc_start(void)
+{
 	// TODO: Is stopping the clocks enough? Might need to disable periph?
     __ADC1_CLK_ENABLE();
 	__DMA1_CLK_ENABLE();
     HAL_ADC_Start_DMA(&hadc, adc_buffer, ADC_BUF_LEN);
+}
 void adc_stop(void)
+{
     HAL_ADC_Stop_DMA(&hadc);
     __DMA1_CLK_DISABLE();
     __ADC1_CLK_DISABLE();
+}
 uint8_t adc_get_vbatt(void)
+{
     return 33; //adc_buffer[0] / 62.5; // tenths of volts ish
+}
 //See RM0091 section 13.9 and appendix A.7.16
 //Temperature sensor raw value at 30 degrees C, VDDA=3.3V

src/gpio.c

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 #include "gpio.h"
 #include "config.h"
 // Initialize GPIOs
 void gpio_init(void)
+{
   GPIO_InitTypeDef GPIO_InitStruct;
   /* GPIO Ports Clock Enable */
   __GPIOF_CLK_ENABLE();
   __GPIOA_CLK_ENABLE();
   __GPIOB_CLK_ENABLE();
   // Oscillator enable pin
@@ @@ -58,20 +60,22 @@ void gpio_init(void) @@
   /*Configure GPIO pin : PtPin */
   GPIO_InitStruct.Pin = TCXO_EN_Pin;
   GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
   GPIO_InitStruct.Pull = GPIO_NOPULL;
   GPIO_InitStruct.Speed = GPIO_SPEED_LOW;
   HAL_GPIO_Init(TCXO_EN_GPIO_Port, &GPIO_InitStruct);
   HAL_GPIO_WritePin(TCXO_EN_GPIO_Port, TCXO_EN_Pin, 0); // disable
+}
 void led_blink(uint8_t n)
+{
 	#ifndef LED_DISABLE
     for(int i = 0; i < n; i++)
+    {
         HAL_GPIO_WritePin(LED_BLUE, 1);
         HAL_Delay(100);
         HAL_GPIO_WritePin(LED_BLUE, 0);
         HAL_Delay(100);
+    }
 	#endif
+}

src/main.c

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@@ @@ -2,24 +2,25 @@ @@
 // WSPRHAB: Minimal high-altitude balloon tracker with WSPR telemetry
 //
 #include "stm32f0xx_hal.h"
 #include "adc.h"
 #include "system.h"
 #include "i2c.h"
 #include "uart.h"
 #include "gpio.h"
 #include "wspr.h"
 #include "rtc.h"
 #include "gps.h"
 #include "config.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
 // Probable wake up 1 minute early -- 0.45min possible +/- on wakeup time with 15min sync intervals
 // TODO: Add JT9 message with more grid locator digits + altitude + vbatt + temp
 // MSG13charmax:
 // 	X: gridloc
 //  Y: altitude
 //  Z: temperature
 //  KD8TDF XXYYZZ // could use alt callsign thing
@@ @@ -54,34 +55,41 @@ int main(void) @@
     uint16_t blink_rate = BLINK_FAST;
     uint8_t state = SYSTEM_GPSACQ;
     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);
     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;
+    	}
 //    	if(state == SYSTEM_IDLE && (HAL_GetTick() - last_wspr_tx_time > 60000 * 10))
 //    	{
 //    		state = SYSTEM_GPSACQ;
 //    	}
         // Update fix status every 2 seconds
+        // 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;
@@ @@ -133,24 +141,27 @@ int main(void) @@
                 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();
                     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)
+                {
                     // 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;
@@ @@ -204,43 +215,44 @@ int main(void) @@
                         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);
+            	}
-                // Schedule next wakeup (maybe 2mins prior ot timeslot if no osc trim)
+                // Schedule next wakeup (maybe 2mins prior to timeslot if no osc trim)
                 // Next wakeup should enter SYSTEM_GPSACQ state...
             } break;
+        }
+		#ifndef LED_DISABLE
         if(HAL_GetTick() - led_timer > blink_rate)
+        {
             ledpulse();
             led_timer = HAL_GetTick();
+        }
         if(statled_ontime && HAL_GetTick() - statled_ontime > 10)
+        {
             HAL_GPIO_WritePin(LED_BLUE, 0);
             statled_ontime = 0;
+        }
 		#endif
+    }
+}
 static void ledpulse(void)
+{
     HAL_GPIO_WritePin(LED_BLUE, 1);
 	statled_ontime = HAL_GetTick();
+}
 static void __calc_gridloc(char *dst, double lat, double lon)
+{

src/system.c

➞

Show inline comments

@@ @@ -23,24 +23,25 @@ void enter_deepsleep(void) @@
     // After wake-up from STOP reconfigure the PLL
     sysclk_init();
+}
 // Initialize system clocks
 void sysclk_init(void)
+{
     RCC_OscInitTypeDef RCC_OscInitStruct;
     RCC_ClkInitTypeDef RCC_ClkInitStruct;
     RCC_PeriphCLKInitTypeDef PeriphClkInit;
     // TODO: Probably disable HSI14? This only drives the ADC
     RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI|RCC_OSCILLATORTYPE_HSI14|RCC_OSCILLATORTYPE_LSI;
     RCC_OscInitStruct.HSIState = RCC_HSI_ON;
     RCC_OscInitStruct.HSI14State = RCC_HSI14_ON;
     RCC_OscInitStruct.HSICalibrationValue = 16;
     RCC_OscInitStruct.HSI14CalibrationValue = 16;
     RCC_OscInitStruct.LSIState = RCC_LSI_ON;
     RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
     HAL_RCC_OscConfig(&RCC_OscInitStruct);
     RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
                                 |RCC_CLOCKTYPE_PCLK1;
     RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI;

src/wspr.c

➞

Show inline comments

 #include "stm32f0xx_hal.h"
 #include "si5351.h"
 #include "jtencode.h"
 #include "gpio.h"
 #include "wspr.h"
 #include "i2c.h"
 #include "gps.h"
 #include "adc.h"
 #include "config.h"
 #define WSPR_DEFAULT_FREQ 10140100UL
 #define WSPR_TONE_SPACING 146 // ~1.46 Hz
 #define WSPR_CTC 10672 // CTC value for WSPR
 char call_orig[7] = "KD8TDF";
 #define DBM_ORIG 10
 // Test stuff
@@ @@ -295,12 +296,67 @@ void wspr_transmit(uint8_t* grid_locator @@
     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();
+}
 // Transmit boot-up test tones to check tx
 void wspr_pilot_tone(void)
+{
 	// Bring up TCXO
     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_freq(WSPR_DEFAULT_FREQ * 100, 0, SI5351_CLK0);
     si5351_drive_strength(SI5351_CLK0, SI5351_DRIVE_6MA); // Set for max power if desired (8ma max)
     si5351_output_enable(SI5351_CLK0, 1);
     // Make sure the other outputs of the SI5351 are disabled
     si5351_output_enable(SI5351_CLK1, 0); // Disable the clock initially
     si5351_output_enable(SI5351_CLK2, 0); // Disable the clock initially
     // disable clock powers
     si5351_set_clock_pwr(SI5351_CLK1, 0);
     si5351_set_clock_pwr(SI5351_CLK2, 0);
     // Key transmitter
     si5351_output_enable(SI5351_CLK0, 1);
     uint8_t tone_table[7] = {50, 100, 70, 50, 0, 10, 0};
     // Boot-up pilot tones
     for(uint8_t i=0; i<7; i++)
+    {
         uint32_t freq2 = (WSPR_DEFAULT_FREQ + 10*tone_table[i]) * 100;
         si5351_set_freq(freq2, 0, SI5351_CLK0);
 		#ifndef LED_DISABLE
         	HAL_GPIO_TogglePin(LED_BLUE);
 		#endif
         HAL_Delay(500);
+    }
     // Disable transmitter
     si5351_output_enable(SI5351_CLK0, 0);
     HAL_GPIO_WritePin(OSC_NOTEN, 1);
     HAL_GPIO_WritePin(TCXO_EN, 0);
     i2c_deinit();
     // Make sure LED is off if we had an odd number of toggles above
 	HAL_GPIO_WritePin(LED_BLUE, 0);
+}

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