309 lines
7.8 KiB
C
309 lines
7.8 KiB
C
/* USER CODE BEGIN Header */
|
|
/**
|
|
******************************************************************************
|
|
* @file : main.c
|
|
* @brief : Main program body
|
|
******************************************************************************
|
|
* @attention
|
|
*
|
|
* Copyright (c) 2024 STMicroelectronics.
|
|
* All rights reserved.
|
|
*
|
|
* This software is licensed under terms that can be found in the LICENSE file
|
|
* in the root directory of this software component.
|
|
* If no LICENSE file comes with this software, it is provided AS-IS.
|
|
*
|
|
******************************************************************************
|
|
*/
|
|
/* USER CODE END Header */
|
|
/* Includes ------------------------------------------------------------------*/
|
|
#include "main.h"
|
|
|
|
/* Private includes ----------------------------------------------------------*/
|
|
/* USER CODE BEGIN Includes */
|
|
#include <math.h>
|
|
/* USER CODE END Includes */
|
|
|
|
/* Private typedef -----------------------------------------------------------*/
|
|
/* USER CODE BEGIN PTD */
|
|
|
|
/* USER CODE END PTD */
|
|
|
|
/* Private define ------------------------------------------------------------*/
|
|
/* USER CODE BEGIN PD */
|
|
#define PI 3.1415926535897932384626433832795
|
|
/* USER CODE END PD */
|
|
|
|
/* Private macro -------------------------------------------------------------*/
|
|
/* USER CODE BEGIN PM */
|
|
|
|
/* USER CODE END PM */
|
|
|
|
/* Private variables ---------------------------------------------------------*/
|
|
DAC_HandleTypeDef hdac;
|
|
DMA_HandleTypeDef hdma_dac_ch1;
|
|
|
|
TIM_HandleTypeDef htim6;
|
|
|
|
/* USER CODE BEGIN PV */
|
|
static uint16_t dac_out_wave[DAC_RESOLUTION];
|
|
/* USER CODE END PV */
|
|
|
|
/* Private function prototypes -----------------------------------------------*/
|
|
void SystemClock_Config(void);
|
|
static void MX_GPIO_Init(void);
|
|
static void MX_DMA_Init(void);
|
|
static void MX_DAC_Init(void);
|
|
static void MX_TIM6_Init(void);
|
|
/* USER CODE BEGIN PFP */
|
|
|
|
/* USER CODE END PFP */
|
|
|
|
/* Private user code ---------------------------------------------------------*/
|
|
/* USER CODE BEGIN 0 */
|
|
void generate_wave(void)
|
|
{
|
|
for (uint16_t i = 0; i < DAC_RESOLUTION; i ++) {
|
|
dac_out_wave[i] = 2048.0 + 2047.0 * sin(2 * PI / DAC_RESOLUTION * i);
|
|
}
|
|
}
|
|
/* USER CODE END 0 */
|
|
|
|
/**
|
|
* @brief The application entry point.
|
|
* @retval int
|
|
*/
|
|
int main(void)
|
|
{
|
|
|
|
/* USER CODE BEGIN 1 */
|
|
|
|
/* USER CODE END 1 */
|
|
|
|
/* MCU Configuration--------------------------------------------------------*/
|
|
|
|
/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
|
|
HAL_Init();
|
|
|
|
/* USER CODE BEGIN Init */
|
|
|
|
/* USER CODE END Init */
|
|
|
|
/* Configure the system clock */
|
|
SystemClock_Config();
|
|
|
|
/* USER CODE BEGIN SysInit */
|
|
|
|
/* USER CODE END SysInit */
|
|
|
|
/* Initialize all configured peripherals */
|
|
MX_GPIO_Init();
|
|
MX_DMA_Init();
|
|
MX_DAC_Init();
|
|
MX_TIM6_Init();
|
|
/* USER CODE BEGIN 2 */
|
|
generate_wave();
|
|
HAL_DAC_Start_DMA(&hdac, DAC_CHANNEL_1, (uint32_t*)dac_out_wave, DAC_RESOLUTION, DAC_ALIGN_12B_R);
|
|
HAL_TIM_Base_Start(&htim6);
|
|
/* USER CODE END 2 */
|
|
|
|
/* Infinite loop */
|
|
/* USER CODE BEGIN WHILE */
|
|
while (1)
|
|
{
|
|
/* USER CODE END WHILE */
|
|
|
|
/* USER CODE BEGIN 3 */
|
|
}
|
|
/* USER CODE END 3 */
|
|
}
|
|
|
|
/**
|
|
* @brief System Clock Configuration
|
|
* @retval None
|
|
*/
|
|
void SystemClock_Config(void)
|
|
{
|
|
RCC_OscInitTypeDef RCC_OscInitStruct = {0};
|
|
RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
|
|
|
|
/** Initializes the RCC Oscillators according to the specified parameters
|
|
* in the RCC_OscInitTypeDef structure.
|
|
*/
|
|
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
|
|
RCC_OscInitStruct.HSEState = RCC_HSE_ON;
|
|
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
|
|
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
|
|
RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL6;
|
|
RCC_OscInitStruct.PLL.PREDIV = RCC_PREDIV_DIV1;
|
|
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
|
|
{
|
|
Error_Handler();
|
|
}
|
|
|
|
/** Initializes the CPU, AHB and APB buses clocks
|
|
*/
|
|
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
|
|
|RCC_CLOCKTYPE_PCLK1;
|
|
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
|
|
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
|
|
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
|
|
|
|
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK)
|
|
{
|
|
Error_Handler();
|
|
}
|
|
|
|
/** Enables the Clock Security System
|
|
*/
|
|
HAL_RCC_EnableCSS();
|
|
}
|
|
|
|
/**
|
|
* @brief DAC Initialization Function
|
|
* @param None
|
|
* @retval None
|
|
*/
|
|
static void MX_DAC_Init(void)
|
|
{
|
|
|
|
/* USER CODE BEGIN DAC_Init 0 */
|
|
|
|
/* USER CODE END DAC_Init 0 */
|
|
|
|
DAC_ChannelConfTypeDef sConfig = {0};
|
|
|
|
/* USER CODE BEGIN DAC_Init 1 */
|
|
|
|
/* USER CODE END DAC_Init 1 */
|
|
|
|
/** DAC Initialization
|
|
*/
|
|
hdac.Instance = DAC;
|
|
if (HAL_DAC_Init(&hdac) != HAL_OK)
|
|
{
|
|
Error_Handler();
|
|
}
|
|
|
|
/** DAC channel OUT1 config
|
|
*/
|
|
sConfig.DAC_Trigger = DAC_TRIGGER_T6_TRGO;
|
|
sConfig.DAC_OutputBuffer = DAC_OUTPUTBUFFER_ENABLE;
|
|
if (HAL_DAC_ConfigChannel(&hdac, &sConfig, DAC_CHANNEL_1) != HAL_OK)
|
|
{
|
|
Error_Handler();
|
|
}
|
|
/* USER CODE BEGIN DAC_Init 2 */
|
|
|
|
/* USER CODE END DAC_Init 2 */
|
|
|
|
}
|
|
|
|
/**
|
|
* @brief TIM6 Initialization Function
|
|
* @param None
|
|
* @retval None
|
|
*/
|
|
static void MX_TIM6_Init(void)
|
|
{
|
|
|
|
/* USER CODE BEGIN TIM6_Init 0 */
|
|
|
|
/* USER CODE END TIM6_Init 0 */
|
|
|
|
TIM_MasterConfigTypeDef sMasterConfig = {0};
|
|
|
|
/* USER CODE BEGIN TIM6_Init 1 */
|
|
|
|
/* USER CODE END TIM6_Init 1 */
|
|
htim6.Instance = TIM6;
|
|
htim6.Init.Prescaler = 0;
|
|
htim6.Init.CounterMode = TIM_COUNTERMODE_UP;
|
|
htim6.Init.Period = SystemCoreClock / DAC_TRIG_FREQ_HZ / DAC_RESOLUTION;
|
|
htim6.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
|
|
if (HAL_TIM_Base_Init(&htim6) != HAL_OK)
|
|
{
|
|
Error_Handler();
|
|
}
|
|
sMasterConfig.MasterOutputTrigger = TIM_TRGO_UPDATE;
|
|
sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
|
|
if (HAL_TIMEx_MasterConfigSynchronization(&htim6, &sMasterConfig) != HAL_OK)
|
|
{
|
|
Error_Handler();
|
|
}
|
|
/* USER CODE BEGIN TIM6_Init 2 */
|
|
|
|
/* USER CODE END TIM6_Init 2 */
|
|
|
|
}
|
|
|
|
/**
|
|
* Enable DMA controller clock
|
|
*/
|
|
static void MX_DMA_Init(void)
|
|
{
|
|
|
|
/* DMA controller clock enable */
|
|
__HAL_RCC_DMA1_CLK_ENABLE();
|
|
|
|
/* DMA interrupt init */
|
|
/* DMA1_Channel2_3_IRQn interrupt configuration */
|
|
HAL_NVIC_SetPriority(DMA1_Channel2_3_IRQn, 0, 0);
|
|
HAL_NVIC_EnableIRQ(DMA1_Channel2_3_IRQn);
|
|
|
|
}
|
|
|
|
/**
|
|
* @brief GPIO Initialization Function
|
|
* @param None
|
|
* @retval None
|
|
*/
|
|
static void MX_GPIO_Init(void)
|
|
{
|
|
/* USER CODE BEGIN MX_GPIO_Init_1 */
|
|
/* USER CODE END MX_GPIO_Init_1 */
|
|
|
|
/* GPIO Ports Clock Enable */
|
|
__HAL_RCC_GPIOF_CLK_ENABLE();
|
|
__HAL_RCC_GPIOA_CLK_ENABLE();
|
|
|
|
/* USER CODE BEGIN MX_GPIO_Init_2 */
|
|
/* USER CODE END MX_GPIO_Init_2 */
|
|
}
|
|
|
|
/* USER CODE BEGIN 4 */
|
|
|
|
/* USER CODE END 4 */
|
|
|
|
/**
|
|
* @brief This function is executed in case of error occurrence.
|
|
* @retval None
|
|
*/
|
|
void Error_Handler(void)
|
|
{
|
|
/* USER CODE BEGIN Error_Handler_Debug */
|
|
/* User can add his own implementation to report the HAL error return state */
|
|
__disable_irq();
|
|
while (1)
|
|
{
|
|
}
|
|
/* USER CODE END Error_Handler_Debug */
|
|
}
|
|
|
|
#ifdef USE_FULL_ASSERT
|
|
/**
|
|
* @brief Reports the name of the source file and the source line number
|
|
* where the assert_param error has occurred.
|
|
* @param file: pointer to the source file name
|
|
* @param line: assert_param error line source number
|
|
* @retval None
|
|
*/
|
|
void assert_failed(uint8_t *file, uint32_t line)
|
|
{
|
|
/* USER CODE BEGIN 6 */
|
|
/* User can add his own implementation to report the file name and line number,
|
|
ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
|
|
/* USER CODE END 6 */
|
|
}
|
|
#endif /* USE_FULL_ASSERT */
|