STM32F407单片机基于Modbus的AD7190电压值获取实验KEIL工程源码

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资料介绍

STM32F407单片机基于Modbus的AD7190电压值获取实验KEIL工程源码

int main(void)

{

uint16_t crc_check = 0;

uint8_t Ex_code = 0,i=0;

/* 初始化外设 */

InitPeri();

/* 申请内存空间作为线圈和输入离散量,对应功能码01H和02H

* 每一Byte就是一个Coil或者Input

Coilbase = (uint8_t*)malloc(sizeof(uint8_t)*0x200);

FillBuf((uint8_t*)Coilbase,FUN_CODE_01H);

Holdingbase = (uint16_t*)malloc(sizeof(uint16_t)*0x125);

FillBuf((uint8_t*)Holdingbase,FUN_CODE_03H);

printf(" -------Modbus通信协议例程------ \n");

printf("Ys-F4Pro Modbus从机 AD7190电压采集\n");

Rx_MSG = MSG_IDLE;

/* 无限循环 */

while (1)

{

/* 接收到一帧的数据,对缓存提取数据 */

if(Rx_MSG == MSG_COM)

{

// for(i=0;i<8;i++)

// {

// printf("Rx_Buf[%d]=%d\n",i,Rx_Buf[i]);

// }

/* 收到非本机地址的响应请求 */

if((Rx_Buf[0] != MB_SLAVEADDR )&&(Rx_Buf[0] != MB_ALLSLAVEADDR))

{

Rx_MSG = MSG_IDLE;

continue;

}

/* 解析数据帧 */

MB_Parse_Data();

/* CRC 校验正确 */

crc_check = ( (Rx_Buf[RxCount-1]<<8) | Rx_Buf[RxCount-2] );

if(crc_check == PduData._CRC)

{

/* 分析数据帧并执行 */

Ex_code = MB_Analyze_Execute();

/* 出现异常 */

if(Ex_code !=EX_CODE_NONE)

{

MB_Exception_RSP(e,Ex_code);

部分文件列表

文件名	文件大小	修改时间
YSF4_HAL_AD_DA-054. 基于Modbus的AD7190电压值获取/Modbus-host/.mxproject	6KB	2017-03-31 17:13:56
YSF4_HAL_AD_DA-054. 基于Modbus的AD7190电压值获取/Modbus-host/Drivers/CMSIS/Device/ST/STM32F4xx/Include/stm32f401xc.h	707KB	2017-05-27 11:05:48
YSF4_HAL_AD_DA-054. 基于Modbus的AD7190电压值获取/Modbus-host/Drivers/CMSIS/Device/ST/STM32F4xx/Include/stm32f401xe.h	707KB	2017-05-27 11:05:48
YSF4_HAL_AD_DA-054. 基于Modbus的AD7190电压值获取/Modbus-host/Drivers/CMSIS/Device/ST/STM32F4xx/Include/stm32f405xx.h	1203KB	2017-05-27 11:05:48
YSF4_HAL_AD_DA-054. 基于Modbus的AD7190电压值获取/Modbus-host/Drivers/CMSIS/Device/ST/STM32F4xx/Include/stm32f407xx.h	1316KB	2017-05-27 11:05:48
YSF4_HAL_AD_DA-054. 基于Modbus的AD7190电压值获取/Modbus-host/Drivers/CMSIS/Device/ST/STM32F4xx/Include/stm32f410cx.h	591KB	2017-05-27 11:05:48
YSF4_HAL_AD_DA-054. 基于Modbus的AD7190电压值获取/Modbus-host/Drivers/CMSIS/Device/ST/STM32F4xx/Include/stm32f410rx.h	592KB	2017-05-27 11:05:48
YSF4_HAL_AD_DA-054. 基于Modbus的AD7190电压值获取/Modbus-host/Drivers/CMSIS/Device/ST/STM32F4xx/Include/stm32f410tx.h	587KB	2017-05-27 11:05:48
YSF4_HAL_AD_DA-054. 基于Modbus的AD7190电压值获取/Modbus-host/Drivers/CMSIS/Device/ST/STM32F4xx/Include/stm32f411xe.h	710KB	2017-05-27 11:05:48
YSF4_HAL_AD_DA-054. 基于Modbus的AD7190电压值获取/Modbus-host/Drivers/CMSIS/Device/ST/STM32F4xx/Include/stm32f412cx.h	1141KB	2017-05-27 11:05:48
YSF4_HAL_AD_DA-054. 基于Modbus的AD7190电压值获取/Modbus-host/Drivers/CMSIS/Device/ST/STM32F4xx/Include/stm32f412rx.h	1227KB	2017-05-27 11:05:48
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