基于stm32采集ads1255这款24位ad的源代码

ID:394304 · 发表于 2018-9-10 13:20

次代码为stm32f系列单片机采集ads1255这款24位ad的源代码，通讯采用spi方式，24位ad的精度是可20ms采集一次，效率很高

单片机源程序：

#include "main.h"
#include "stm32f1xx_hal.h"
#include "dma.h"
#include "iwdg.h"
#include "spi.h"
#include "tim.h"
#include "usart.h"
#include "gpio.h"
/* USER CODE BEGIN Includes */
#include "common.h"
#include "ads1255.h"
#include "Protocol.h"
/* USER CODE END Includes */
/* Private variables ---------------------------------------------------------*/
/* USER CODE BEGIN PV */
/* Buffer used for reception */
#define BUFFER_SIZE 64 //宏定义缓冲区大小
/* Private variables ---------------------------------------------------------*/
uint16_t rx_len1 = 0;//定义一个接收长度变量
uint8_t recv_end_flag1 = 0;//定义一个接收结束标变量
uint8_t rx_buffer1[64];//定义一个接收缓冲数组，128个元素
uint8_t sendcommand_flag=0x03;
/* USER CODE END PV */
/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
/* USER CODE BEGIN PFP */
/* Private function prototypes -----------------------------------------------*/
/* USER CODE END PFP */
/* USER CODE BEGIN 0 */
/* USER CODE END 0 */
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_IWDG_Init();
MX_SPI2_Init();
MX_TIM2_Init();
MX_USART1_UART_Init();
// MX_TIM3_Init();
/* USER CODE BEGIN 2 */
HAL_TIM_Base_Start_IT(&htim2);
ads1255_init();
Uart_Event_Init(); //初始化串口事件
__HAL_UART_ENABLE_IT(&huart1,UART_IT_IDLE); //使能串口1空闲中断
UartEventType DataReceive;
// HAL_TIM_Base_Start_IT(&htim3);
/* USER CODE END 2 */
/* Infinite loop */
/* USER CODE BEGIN WHILE */
while (1)
{
/* USER CODE END WHILE */
/* USER CODE BEGIN 3 */
HAL_IWDG_Refresh(&hiwdg);
if(Uart_Event_Get(&DataReceive)==true)
{
sendcommand_flag=rx_buffer1[4];
}
if(sendcommand_flag==0x01)
{
HAL_UART_Transmit_DMA(&huart1,FidDataFunction(),12);
}
else
{
}
HAL_UART_Receive_DMA(&huart1,rx_buffer1,BUFFER_SIZE);
}
// printf("\r\n****** FID Controller System ******\r\n ");
// printf("Set SYSCLK to %dHz\r\n", HAL_RCC_GetSysClockFreq());
// printf("Set HCLK to %dHz\r\n", HAL_RCC_GetHCLKFreq());
// printf("Set PCLK1 to %dHz\r\n", HAL_RCC_GetPCLK1Freq());
// printf("Set PCLK2 to %dHz\r\n", HAL_RCC_GetPCLK2Freq());
// printf("signal value:%0.4lf\r\n",sign);
}
/* USER CODE END 3 */
/** System Clock Configuration
*/
void SystemClock_Config(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct;
RCC_ClkInitTypeDef RCC_ClkInitStruct;
/**Initializes the CPU, AHB and APB busses clocks
*/
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSI|RCC_OSCILLATORTYPE_HSE;
RCC_OscInitStruct.HSEState = RCC_HSE_ON;
RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1;
RCC_OscInitStruct.HSIState = RCC_HSI_ON;
RCC_OscInitStruct.LSIState = RCC_LSI_ON;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL9;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
{
_Error_Handler(__FILE__, __LINE__);
}
/**Initializes the CPU, AHB and APB busses clocks
*/
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
|RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK)
{
_Error_Handler(__FILE__, __LINE__);
}
/**Configure the Systick interrupt time
*/
HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000);
/**Configure the Systick
*/
HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);
/* SysTick_IRQn interrupt configuration */
HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
}
/* USER CODE BEGIN 4 */
/* USER CODE END 4 */
/**
* @brief This function is executed in case of error occurrence.
* @param None
* @retval None
*/
void _Error_Handler(char * file, int line)
{
/* USER CODE BEGIN Error_Handler_Debug */
/* User can add his own implementation to report the HAL error return state */
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.
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