protofuse-firmware Changeset - ec79a7a31ac7

Changeset - ec79a7a31ac7

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Nick Orlando (NEO) - 9 years ago 2016-09-28 22:30:03
nick.orlando67@gmail.com

Added DMA and got the ADC working.

6 files changed with 120 insertions and 103 deletions:

inc/adc.h

src/adc.c

src/dma.c

src/error.c

src/interrupts.c

src/main.c

0 comments (0 inline, 0 general)

inc/adc.h

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 /*
  * adc.h
+ *
  *  Created on: Aug 9, 2016
  *      Author: Nicholas Orlando
  */
 #ifndef ADC_H_
 #define ADC_H_
 /* Includes ------------------------------------------------------------------*/
 #include "stm32f3xx_hal.h"
 /* USER CODE BEGIN Includes */
 enum _adc_reading_id
+{
 	ADC_CHAN_VIOUT = 0,
 	ADC_CHAN_GAIN_VIOUT = 1,
 	ADC_CHAN_VBAT = 2,
 };
 uint16_t get_viout_counts(void);
 uint16_t get_vbat_counts(void);
 /* USER CODE END Includes */
 /* USER CODE BEGIN Private defines */
 /* USER CODE END Private defines */
 void MX_ADC1_Init(void);
 void adc_init(void);
 extern ADC_HandleTypeDef hadc1;
 /* USER CODE BEGIN Prototypes */
 /* USER CODE END Prototypes */
 #endif /* ADC_H_ */

src/adc.c

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 /*
  * adc.c
+ *
  *  Created on: Aug 9, 2016
  *      Author: Nicholas Orlando
  */
 /* Includes ------------------------------------------------------------------*/
 #include "adc.h"
 #include "gpio.h"
 #include "dma.h"
 /* USER CODE BEGIN 0 */
 /* USER CODE END 0 */
 // Peripheral Handles
 ADC_HandleTypeDef hadc1;
 DMA_HandleTypeDef hdma_adc1;
 // Private Variables
 static uint16_t adc_readings[3];
 uint16_t get_viout_counts(void)
+{
 	return adc_readings[ADC_CHAN_VIOUT];
+}
 uint16_t get_vbat_counts(void)
+{
 	return adc_readings[ADC_CHAN_VBAT];
+}
 /* ADC1 init function */
-void MX_ADC1_Init(void)
+void adc_init(void)
+{
 	/* Peripheral clock enable */
 	__HAL_RCC_ADC1_CLK_ENABLE();
 	__HAL_RCC_DMA1_CLK_ENABLE();
 	__HAL_RCC_GPIOA_CLK_ENABLE();
 	GPIO_InitTypeDef GPIO_InitStruct;
 	/**ADC1 GPIO Configuration
 	PA0     ------> ADC1_IN1
 	PA1     ------> ADC1_IN2
 	PA2     ------> ADC1_IN3
 	*/
 	GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2;
 	GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
 	GPIO_InitStruct.Pull = GPIO_NOPULL;
 	HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
     /**Common config
     */
   hadc1.Instance = ADC1;
   hadc1.Init.ClockPrescaler = ADC_CLOCK_ASYNC_DIV1;
   hadc1.Init.Resolution = ADC_RESOLUTION_12B;
   hadc1.Init.ScanConvMode = ADC_SCAN_DISABLE;
   hadc1.Init.ContinuousConvMode = ENABLE;
   hadc1.Init.DiscontinuousConvMode = DISABLE;
   hadc1.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE;
   hadc1.Init.DataAlign = ADC_DATAALIGN_RIGHT;
   hadc1.Init.NbrOfConversion = 1;
   hadc1.Init.DMAContinuousRequests = ENABLE;
   hadc1.Init.EOCSelection = ADC_EOC_SINGLE_CONV;
   hadc1.Init.LowPowerAutoWait = DISABLE;
   hadc1.Init.Overrun = ADC_OVR_DATA_OVERWRITTEN;
   HAL_ADC_Init(&hadc1);
 	/**Common config
 	*/
 	hadc1.Instance = ADC1;
 	hadc1.Init.ClockPrescaler = ADC_CLOCK_ASYNC_DIV1;
 	hadc1.Init.Resolution = ADC_RESOLUTION_12B;
 	hadc1.Init.ScanConvMode = ADC_SCAN_ENABLE;
 	hadc1.Init.ContinuousConvMode = ENABLE;
 	hadc1.Init.DiscontinuousConvMode = DISABLE;
 	hadc1.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE;
 	hadc1.Init.DataAlign = ADC_DATAALIGN_RIGHT;
 	hadc1.Init.NbrOfConversion = 1;
 	hadc1.Init.DMAContinuousRequests = ENABLE;
 	hadc1.Init.EOCSelection = ADC_EOC_SINGLE_CONV;
 	hadc1.Init.LowPowerAutoWait = DISABLE;
 	hadc1.Init.Overrun = ADC_OVR_DATA_OVERWRITTEN;
 	HAL_ADC_Init(&hadc1);
 	/* Peripheral DMA init*/
 	hdma_adc1.Instance = DMA1_Channel1;
 	hdma_adc1.Init.Direction = DMA_PERIPH_TO_MEMORY;
 	hdma_adc1.Init.PeriphInc = DMA_PINC_DISABLE;
 	hdma_adc1.Init.MemInc = DMA_MINC_ENABLE;
 	hdma_adc1.Init.PeriphDataAlignment = DMA_PDATAALIGN_HALFWORD;
 	hdma_adc1.Init.MemDataAlignment = DMA_MDATAALIGN_HALFWORD;
 	hdma_adc1.Init.Mode = DMA_CIRCULAR;
 	hdma_adc1.Init.Priority = DMA_PRIORITY_LOW;
 	HAL_DMA_Init(&hdma_adc1);
 	__HAL_LINKDMA(&hadc1,DMA_Handle,hdma_adc1);
 	ADC_ChannelConfTypeDef sConfig;
 	// Configure VIOUT channel
 	sConfig.Channel = ADC_CHANNEL_1;
 	sConfig.Rank = ADC_REGULAR_RANK_1;
 	sConfig.SamplingTime = ADC_SAMPLETIME_601CYCLES_5;
 	HAL_ADC_ConfigChannel(&hadc1, &sConfig);
 	// Configure VIOUT-GAINS channel
 	sConfig.Channel = ADC_CHANNEL_2;
 	sConfig.Rank = ADC_REGULAR_RANK_2;
 	sConfig.SamplingTime = ADC_SAMPLETIME_601CYCLES_5;
 	HAL_ADC_ConfigChannel(&hadc1, &sConfig);
 	// Configure VBAT channel
 	sConfig.Channel = ADC_CHANNEL_3;
 	sConfig.Rank = ADC_REGULAR_RANK_3;
 	sConfig.SamplingTime = ADC_SAMPLETIME_601CYCLES_5;
 	HAL_ADC_ConfigChannel(&hadc1, &sConfig);
 	HAL_ADC_Start_DMA(&hadc1, (uint32_t*)adc_readings, 3);
 //  HAL_NVIC_SetPriority(DMA1_Channel1_IRQn, 0, 0);
 //  HAL_NVIC_EnableIRQ(DMA1_Channel1_IRQn);
+}
 void HAL_ADC_MspInit(ADC_HandleTypeDef* hadc)
+{
   GPIO_InitTypeDef GPIO_InitStruct;
   if(hadc->Instance==ADC1)
+  {
   /* USER CODE BEGIN ADC1_MspInit 0 */
   /* USER CODE END ADC1_MspInit 0 */
     /* Peripheral clock enable */
     __HAL_RCC_ADC1_CLK_ENABLE();
     /**ADC1 GPIO Configuration
     PA0     ------> ADC1_IN1
     PA1     ------> ADC1_IN2
     PA2     ------> ADC1_IN3
     */
     GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2;
     GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
     GPIO_InitStruct.Pull = GPIO_NOPULL;
     HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
     /* Peripheral DMA init*/
     hdma_adc1.Instance = DMA1_Channel1;
     hdma_adc1.Init.Direction = DMA_PERIPH_TO_MEMORY;
     hdma_adc1.Init.PeriphInc = DMA_PINC_DISABLE;
     hdma_adc1.Init.MemInc = DMA_MINC_ENABLE;
     hdma_adc1.Init.PeriphDataAlignment = DMA_PDATAALIGN_HALFWORD;
     hdma_adc1.Init.MemDataAlignment = DMA_MDATAALIGN_HALFWORD;
     hdma_adc1.Init.Mode = DMA_CIRCULAR;
     hdma_adc1.Init.Priority = DMA_PRIORITY_LOW;
     HAL_DMA_Init(&hdma_adc1);
     __HAL_LINKDMA(hadc,DMA_Handle,hdma_adc1);
   /* USER CODE BEGIN ADC1_MspInit 1 */
   /* USER CODE END ADC1_MspInit 1 */
+  }
+}
 void HAL_ADC_MspDeInit(ADC_HandleTypeDef* hadc)
+{
   if(hadc->Instance==ADC1)
+  {
   /* USER CODE BEGIN ADC1_MspDeInit 0 */
   /* USER CODE END ADC1_MspDeInit 0 */
     /* Peripheral clock disable */
     __HAL_RCC_ADC1_CLK_DISABLE();
     /**ADC1 GPIO Configuration
     PA0     ------> ADC1_IN1
     PA1     ------> ADC1_IN2
     PA2     ------> ADC1_IN3
     */
     HAL_GPIO_DeInit(GPIOA, GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2);
     /* Peripheral DMA DeInit*/
     HAL_DMA_DeInit(hadc->DMA_Handle);
+  }
   /* USER CODE BEGIN ADC1_MspDeInit 1 */
   /* USER CODE END ADC1_MspDeInit 1 */
+}
 /* USER CODE BEGIN 1 */
 /* USER CODE END 1 */

src/dma.c

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 /*
  * dma.c
+ *
  *  Created on: Aug 9, 2016
  *      Author: Nicholas Orlando
  */
 /* Includes ------------------------------------------------------------------*/
 #include "dma.h"
 /* USER CODE BEGIN 0 */
 /* USER CODE END 0 */
 /*----------------------------------------------------------------------------*/
 /* Configure DMA                                                              */
 /*----------------------------------------------------------------------------*/
 /* USER CODE BEGIN 1 */
 /* USER CODE END 1 */
 /**
   * Enable DMA controller clock
   */
 void MX_DMA_Init(void)
+{
   /* DMA controller clock enable */
   __HAL_RCC_DMA1_CLK_ENABLE();
   /* DMA interrupt init */
   /* DMA1_Channel1_IRQn interrupt configuration */
   HAL_NVIC_SetPriority(DMA1_Channel1_IRQn, 0, 0);
   HAL_NVIC_EnableIRQ(DMA1_Channel1_IRQn);
+}
 /* USER CODE BEGIN 2 */
 /* USER CODE END 2 */

src/error.c

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 //
 // Error: Provides a simple interface for asserting and checking errors
 //
 #include "stm32f3xx_hal.h"
 #include <stdio.h>
 #include "config.h"
 #include "error.h"
 static volatile uint32_t err_reg;
 static volatile uint8_t num_errors_asserted = 0;
 // Moderately detailed messages corresponding to each error enum
 static const char *  error_message[] =
+{
 		"Info",
 		"General",
 };
 //static const char *  error_message[] =
 //{
 //		"Info",
 //		"General",
 //};
 // Set the passed error flag
 void error_assert(const uint8_t errno)
+{
 	// Errno invalid: exceeds bit length of error register
 	if(errno >= 32)
 		return;
 	// Don't count info messages as true errors
 	if(errno > ERR_INFO)
+	{
 		// Set error flag
 		err_reg |= (1<<errno);
 		// Count how many errors have occurred
 		num_errors_asserted++;
+	}
 	// Dispatch error message over IRdA and/or debug port
 #ifdef DEBUG_ERROUT_ENABLE
 	char outbuf[256];
 	snprintf(outbuf, 256, "[%lu\] %s (no details) \r\n", HAL_GetTick(), error_message[errno]);
 #endif
+}
 // Set the passed error flag with details about the error
 void error_assert_info(const uint8_t errno, const char* details)
+{
 	// Errno invalid: exceeds bit length of error register
 	if(errno >= 32)
 		return;
 	// Don't count info messages as true errors
 	if(errno > ERR_INFO)
+	{
 		// Set error flag
 		err_reg |= (1<<errno);
 		// Count how many errors have occurred
 		num_errors_asserted++;
+	}
 	// Dispatch error message over IRdA and/or debug port
 #ifdef DEBUG_ERROUT_ENABLE
 	char outbuf[256];
 	if(errno == ERR_INFO)

src/interrupts.c

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@@ @@ -7,53 +7,54 @@ @@
 #include "interrupts.h"
 #include "gpio.h"
 // Systick interrupt
 void SysTick_Handler(void)
+{
   HAL_IncTick();
   HAL_SYSTICK_IRQHandler();
+}
 void EXTI9_5_IRQHandler(void)
+{
   /* USER CODE BEGIN EXTI9_5_IRQn 0 */
   /* USER CODE END EXTI9_5_IRQn 0 */
   HAL_GPIO_EXTI_IRQHandler(SW_A_Pin);
   HAL_GPIO_EXTI_IRQHandler(SW_BTN_Pin);
   HAL_GPIO_EXTI_IRQHandler(SW_C_Pin);
   /* USER CODE BEGIN EXTI9_5_IRQn 1 */
   /* USER CODE END EXTI9_5_IRQn 1 */
+}
 void EXTI15_10_IRQHandler(void)
+{
   /* USER CODE BEGIN EXTI15_10_IRQn 0 */
   /* USER CODE END EXTI15_10_IRQn 0 */
   HAL_GPIO_EXTI_IRQHandler(SW_D_Pin);
   HAL_GPIO_EXTI_IRQHandler(SW_B_Pin);
   /* USER CODE BEGIN EXTI15_10_IRQn 1 */
   /* USER CODE END EXTI15_10_IRQn 1 */
+}
 uint32_t last_button_press = 0;
 void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
+{
 	switch(GPIO_Pin)
+	{
 		case SW_BTN_Pin:
+		{
 			if(HAL_GetTick() > last_button_press + 100)
+			{
 				HAL_GPIO_TogglePin(LED_RED);
 				HAL_GPIO_TogglePin(GATE_DRIVE);
 				last_button_press = HAL_GetTick();
+			}
 		} break;
+	}
+}

src/main.c

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 //
 // STM32F103 Template Firmware
 // Copyright 2016 SeaLandAire Technologies
 // Author(s): Ethan Zonca
 //
 #include "stm32f3xx_hal.h"
 #include "config.h"
 #include "watchdog.h"
 #include "system.h"
 #include "gpio.h"
 #include "error.h"
 #include "flash.h"
 #include "ssd1306.h"
 #include "stdio.h"
 #include "adc.h"
 #include "dma.h"
 int main(void)
+{
 	sysclock_init();
 	hal_init();
 	gpio_init();
 	ssd1306_init();
 	ssd1306_drawlogo();
 	ssd1306_clearscreen();
 	adc_init();
 	// ssd1306_drawstring(const char *dataPtr, unsigned char row, unsigned char xPos)
 	ssd1306_drawstring("[ ProtoFuse ]", 0, 0);
 	ssd1306_drawstring("HW v1.0   SW v0.1", 1, 0);
-	uint16_t battery_adc_count = 0;
+	uint16_t temp_counter = 0;
 	flash_init();
 	watchdog_init();
 	// Software timers
 	uint32_t last_blink_time = HAL_GetTick();
 	while (1)
+	{
 		// Grab and transmit data
-		if(HAL_GetTick() - last_blink_time > 1000)
+		if(HAL_GetTick() - last_blink_time > 100)
+		{
 			char buffer[256];
 			// added stdio.h to fix implicit declaration error
 			// changed battery_adc_count from int32_t to int
-			snprintf(buffer, 256, "My Variable: %u", battery_adc_count);
+			snprintf(buffer, 256, "Counter: %u", temp_counter);
 			ssd1306_drawstring(buffer, 2, 0);
 			snprintf(buffer, 256, "i count: %u", get_viout_counts());
 			ssd1306_drawstring(buffer, 3, 0);
 //			HAL_GPIO_TogglePin(LED_RED);
-			battery_adc_count++;
+			temp_counter++;
 			last_blink_time = HAL_GetTick();
+		}
 		watchdog_feed();
+	}
+}

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