156 lines
4.5 KiB
C
156 lines
4.5 KiB
C
/**
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******************************************************************************
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* @file main.c
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* @author Ac6
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* @version V1.0
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* @date 01-December-2013
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* @brief Default main function.
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******************************************************************************
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*/
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#include <drivers/adc.h>
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#include "stm32f4xx.h"
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/* Private function prototypes -----------------------------------------------*/
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static void SystemClock_Config(void);
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static void Error_Handler(void);
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ADC_HandleTypeDef adc_testinput_handle; // For example battery voltage
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ADC_HandleTypeDef adc_test2input_handle;
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uint32_t g_ADCValue;
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uint32_t g_ADC2;
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int g_MeasurementNumber;
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int main(void)
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{
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// Comment?
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HAL_Init();
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int i = 1;
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/* Configure the system clock to 100 MHz */
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SystemClock_Config();
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adc_configure();
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//adc_pin_config(&adc_testinput_handle,ADC_CHANNEL_12);
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adc_pin_config(&adc_testinput_handle,ADC_CHANNEL_11);
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/*##-1- Enable GPIOA Clock (to be able to program the configuration registers) */
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__HAL_RCC_GPIOA_CLK_ENABLE();
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GPIO_InitTypeDef gpinit;
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gpinit.Pin = GPIO_PIN_0;
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gpinit.Mode = GPIO_MODE_OUTPUT_PP;
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gpinit.Pull = GPIO_PULLUP;
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gpinit.Speed = GPIO_SPEED_FAST;
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/*##-2- Configure PA05 IO in output push-pull mode to drive external LED ###*/
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//GPIO_InitStruct.Pin = GPIO_PIN_5 | GPIO_PIN_6;
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//GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
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//GPIO_InitStruct.Pull = GPIO_PULLUP;
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//GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
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HAL_GPIO_Init(GPIOA, &gpinit);
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/*##-3- Toggle PA05 IO in an infinite loop #################################*/
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while (1)
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{
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HAL_GPIO_TogglePin(GPIOA, GPIO_PIN_0);
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i++;
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/* Insert a 100ms delay */
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HAL_Delay(100);
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// ADC part
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//g_ADCValue = adc_read_int(&adc_testinput_handle);
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HAL_Delay(10);
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g_ADC2 = adc_read_int(&adc_test2input_handle);
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g_MeasurementNumber++;
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}
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for(;;);
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}
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/**
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* @brief System Clock Configuration
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* The system Clock is configured as follow :
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* System Clock source = PLL (HSI)
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* SYSCLK(Hz) = 100000000
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* HCLK(Hz) = 100000000
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* AHB Prescaler = 1
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* APB1 Prescaler = 2
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* APB2 Prescaler = 1
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* HSI Frequency(Hz) = 16000000
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* PLL_M = 16
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* PLL_N = 400
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* PLL_P = 4
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* PLL_Q = 7
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* VDD(V) = 3.3
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* Main regulator output voltage = Scale2 mode
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* Flash Latency(WS) = 3
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* @param None
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* @retval None
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*/
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static void SystemClock_Config(void)
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{
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RCC_ClkInitTypeDef RCC_ClkInitStruct;
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RCC_OscInitTypeDef RCC_OscInitStruct;
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/* Enable Power Control clock */
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__HAL_RCC_PWR_CLK_ENABLE();
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/* The voltage scaling allows optimizing the power consumption when the device is
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clocked below the maximum system frequency, to update the voltage scaling value
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regarding system frequency refer to product datasheet. */
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__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE2);
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/* Enable HSI Oscillator and activate PLL with HSI as source */
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RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
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RCC_OscInitStruct.HSIState = RCC_HSI_ON;
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RCC_OscInitStruct.HSICalibrationValue = 0x10;
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RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
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RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
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RCC_OscInitStruct.PLL.PLLM = 16;
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RCC_OscInitStruct.PLL.PLLN = 400;
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RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV4;
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RCC_OscInitStruct.PLL.PLLQ = 7;
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if(HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
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{
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Error_Handler();
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}
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/* Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2
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clocks dividers */
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RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2);
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RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
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RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
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RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
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RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
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if(HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_3) != HAL_OK)
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{
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Error_Handler();
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}
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}
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/**
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* @brief This function is executed in case of error occurrence.
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* @param None
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* @retval None
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*/
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static void Error_Handler(void)
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{
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while(1)
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{
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}
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}
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