STM32 MODBUS協(xié)議源程序

ID:593598 · 發(fā)表于 2019-8-2 15:26

STM32 MODBUS協(xié)議

單片機源程序如下:

/**
******************************************************************************
* @文件
* @作者
* @版本
* @日期
* @概要
******************************************************************************
* @注意事項
*
*
*
******************************************************************************
*/
/* 頭文件 --------------------------------------------------------------*/
#include <stdio.h>
#include "stm32f10x.h"
#include "mb.h"
/* 私有數(shù)據(jù)類型 --------------------------------------------------------------*/
/* 私有定義 --------------------------------------------------------------*/
/* 私有宏定義 --------------------------------------------------------------*/
#ifdef __GNUC__
/* With GCC/RAISONANCE, small printf (option LD Linker->Libraries->Small printf
set to 'Yes') calls __io_putchar() */
#define PUTCHAR_PROTOTYPE int __io_putchar(int ch)
#else
#define PUTCHAR_PROTOTYPE int fputc(int ch, FILE *f)
#endif /* __GNUC__ */
/* 私有變量 --------------------------------------------------------------*/
/* 私有函數(shù)聲明 --------------------------------------------------------------*/
void LED_Config(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_2 | GPIO_Pin_3 | GPIO_Pin_4 | GPIO_Pin_5;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOC,&GPIO_InitStructure);
}
/**
* @brief Configure the nested vectored interrupt controller.
* @param None
* @retval : None
*/
void NVIC_Configuration(void)
{
NVIC_InitTypeDef NVIC_InitStructure;
/* Enable the TIM2 gloabal Interrupt */
NVIC_InitStructure.NVIC_IRQChannel = TIM2_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
/* Enable the TIM2 gloabal Interrupt */
NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 2;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
}
/**
* @功能
* @參數(shù)
* @返回值
*/
int main(void)
{
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
NVIC_Configuration();
LED_Config();
/*模式從機地址端口波特率校驗位*/
eMBInit( MB_RTU, 0x01, 0, 9600, MB_PAR_NONE );
/* Enable the Modbus Protocol Stack. */
eMBEnable( );
for( ;; )
{
( void )eMBPoll( );
/* Here we simply count the number of poll cycles. */
//usRegInputBuf[0]++;
}
}
/**
* @brief Retargets the C library printf function to the USART.
* @param None
* @retval None
*/
PUTCHAR_PROTOTYPE
{
/* Place your implementation of fputc here */
/* Loop until the end of transmission */
while (USART_GetFlagStatus(USART1, USART_FLAG_TC) == RESET)
{}
/* e.g. write a character to the USART */
USART_SendData(USART1, (uint8_t) ch);
return ch;
}
#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 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) */
/* Infinite loop */
while (1)
{
}
}
#endif
/**
* @}
*/
/*******************************文件結(jié)尾**************************************/

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所有資料51hei提供下載:

STM32_MODBUS.7z (196.05 KB, 下載次數(shù): 129)

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STM32 MODBUS協(xié)議源程序