標題: STM32 MODBUS協(xié)議源程序 [打印本頁]
作者: nihaobu    時間: 2019-8-2 15:26
標題: STM32 MODBUS協(xié)議源程序
STM32 MODBUS協(xié)議

單片機源程序如下:
  1. /**
  2.   ******************************************************************************
  3.   * @文件   
  4.   * @作者
  5.   * @版本
  6.   * @日期
  7.   * @概要
  8.   ******************************************************************************
  9.   * @注意事項
  10.   *
  11.   *
  12.   *
  13.   ******************************************************************************
  14.   */  

  16. /* 頭文件                --------------------------------------------------------------*/
  17. #include <stdio.h>
  18. #include "stm32f10x.h"
  19. #include "mb.h"

  21. /* 私有數據類型 --------------------------------------------------------------*/
  22. /* 私有定義         --------------------------------------------------------------*/
  23. /* 私有宏定義         --------------------------------------------------------------*/
  24. #ifdef __GNUC__
  25. /* With GCC/RAISONANCE, small printf (option LD Linker->Libraries->Small printf
  26.    set to 'Yes') calls __io_putchar() */
  27. #define PUTCHAR_PROTOTYPE int __io_putchar(int ch)
  28. #else
  29. #define PUTCHAR_PROTOTYPE int fputc(int ch, FILE *f)
  30. #endif /* __GNUC__ */
  31. /* 私有變量         --------------------------------------------------------------*/
  32. /* 私有函數聲明 --------------------------------------------------------------*/
  33. void LED_Config(void)
  34. {
  35.         GPIO_InitTypeDef GPIO_InitStructure;
  36.        
  37.         RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);

  39.         GPIO_InitStructure.GPIO_Pin          = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_2 | GPIO_Pin_3 | GPIO_Pin_4 | GPIO_Pin_5;
  40.         GPIO_InitStructure.GPIO_Mode         = GPIO_Mode_Out_PP;
  41.         GPIO_InitStructure.GPIO_Speed         = GPIO_Speed_50MHz;

  43.         GPIO_Init(GPIOC,&GPIO_InitStructure);
  44. }


  47. /**
  48.   * @brief  Configure the nested vectored interrupt controller.
  49.   * @param  None
  50.   * @retval : None
  51.   */
  52. void NVIC_Configuration(void)
  53. {
  54.   NVIC_InitTypeDef NVIC_InitStructure;

  56.   /* Enable the TIM2 gloabal Interrupt */
  57.   NVIC_InitStructure.NVIC_IRQChannel = TIM2_IRQn;
  58.   NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
  59.   NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
  60.   NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;

  62.   NVIC_Init(&NVIC_InitStructure);

  64.   /* Enable the TIM2 gloabal Interrupt */
  65.   NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn;
  66.   NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
  67.   NVIC_InitStructure.NVIC_IRQChannelSubPriority = 2;
  68.   NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;

  70.   NVIC_Init(&NVIC_InitStructure);
  71. }

  73. /**
  74.   * @功能
  75.   * @參數
  76.   * @返回值
  77.   */
  78. int main(void)
  79. {
  80.         NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
  81.         NVIC_Configuration();
  82.         LED_Config();
  83.        
  84.         /*模式         從機地址 端口 波特率 校驗位*/
  85.         eMBInit( MB_RTU, 0x01, 0, 9600, MB_PAR_NONE );
  86.        
  87.         /* Enable the Modbus Protocol Stack. */
  88.         eMBEnable(  );
  89.        
  90.         for( ;; )
  91.         {
  92.          ( void )eMBPoll(  );
  93.          /* Here we simply count the number of poll cycles. */
  94.          //usRegInputBuf[0]++;
  95.         }
  96. }

  98. /**
  99.   * @brief  Retargets the C library printf function to the USART.
  100.   * @param  None
  101.   * @retval None
  102.   */
  103. PUTCHAR_PROTOTYPE
  104. {
  105.   /* Place your implementation of fputc here */

  107.   /* Loop until the end of transmission */
  108.   while (USART_GetFlagStatus(USART1, USART_FLAG_TC) == RESET)
  109.   {}
  110.   /* e.g. write a character to the USART */
  111.   USART_SendData(USART1, (uint8_t) ch);       

  113.   return ch;
  114. }

  116. #ifdef  USE_FULL_ASSERT

  118. /**
  119.   * @brief  Reports the name of the source file and the source line number
  120.   *         where the assert_param error has occurred.
  121.   * @param  file: pointer to the source file name
  122.   * @param  line: assert_param error line source number
  123.   * @retval None
  124.   */
  125. void assert_failed(uint8_t* file, uint32_t line)
  126. {
  127.   /* User can add his own implementation to report the file name and line number,
  128.      ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */

  130.   /* Infinite loop */
  131.   while (1)
  132.   {
  133.   }
  134. }
  135. #endif
  136. /**
  137.   * @}
  138.   */


  141. /*******************************文件結尾**************************************/
復制代碼

所有資料51hei提供下載:
STM32_MODBUS.7z (196.05 KB, 下載次數: 129)






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