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    發(fā)布日期: 2023-08-19
  • 語(yǔ)言: 其他
  • 標(biāo)簽: STM32F??MODBUS??RTU??RS485??通訊??

資源簡(jiǎn)介

基于STM32F103單片機(jī)開發(fā),采用RS485總線的MODBUSRTU通訊例程,接受和發(fā)送使能控制。帶CRC校驗(yàn)計(jì)算函數(shù)。純?cè)瓌?chuàng)。

資源截圖

代碼片段和文件信息

/********************?(C)?COPYRIGHT?2010?HY嵌入式開發(fā)工作室?********************
*?Description????????:?演示?USART1?當(dāng)接收緩沖器滿時(shí),將接收到的數(shù)據(jù)傳送出去
???????????????????????V6-LED1閃爍表示正在收發(fā)數(shù)據(jù)。?
????
*********************************************************************/
/*?Includes?------------------------------------------------------------------*/
#include?“stm32f10x.h“
#include?“stm32f10x_usart.h“
#include?“misc.h“
#include?“modbus.h“
#include?“Device_Init.h“
?
typedef?enum?{?FAILED?=?0?PASSED?=?!FAILED}?TestStatus;???
#define?countof(a)???(sizeof(a)?/?sizeof(*(a))) ???
vu32?TIM4_Period; //定時(shí)器周期??RTU模式3.5周期用
void?Delay(__IO?uint32_t?nCount);
void?delay_1ms(u16?num);??
TestStatus?Buffercmp(uint8_t*?pBuffer1?uint8_t*?pBuffer2?uint16_t?BufferLength);
int?main(void)
{
delay_1ms(10); ??
RCC_Configuration(); ????????
? NVIC_Configuration(); ??
? GPIO_Configuration();???? ????
?? USART_Configuration(USART19600); ??
? while?(1)
?? { ??? ??
??????? delay_1ms(500);??
Modbus_Function_3(10001);? ?
Com0_Communication();

?? }
}


void?Delay(__IO?uint32_t?nCount)
{
??for(;?nCount?!=?0;?nCount--);
}

void?delay_1ms(u16?num)
{
for(;num>=1;num--)
Delay(7200);
}


/**
??*?@brief??Compares?two?buffers.
??*?@param?pBuffer1?pBuffer2:?buffers?to?be?compared.
??*?@param?BufferLength???buffer的長(zhǎng)度
??*?@retval?:?PASSED:?pBuffer1?identical?to?pBuffer2
??*???FAILED:?pBuffer1?differs?from?pBuffer2
??*/
TestStatus?Buffercmp(uint8_t*?pBuffer1?uint8_t*?pBuffer2?uint16_t?BufferLength)
{
??while(BufferLength--)
??{
????if(*pBuffer1?!=?*pBuffer2)
????{
??????return?FAILED;
????}

????pBuffer1++;
????pBuffer2++;
??}
??return?PASSED;
}

#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


?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件???????4951??2009-04-06?10:30??STM32_modbus_master_成功\FWlib\inc\misc.h

?????文件??????19585??2009-08-31?15:06??STM32_modbus_master_成功\FWlib\inc\stm32f10x_adc.h

?????文件???????7373??2009-04-06?10:30??STM32_modbus_master_成功\FWlib\inc\stm32f10x_bkp.h

?????文件??????14289??2009-04-06?10:30??STM32_modbus_master_成功\FWlib\inc\stm32f10x_can.h

?????文件???????3213??2009-04-06?10:30??STM32_modbus_master_成功\FWlib\inc\stm32f10x_conf.h

?????文件???????1980??2009-04-06?10:30??STM32_modbus_master_成功\FWlib\inc\stm32f10x_crc.h

?????文件??????10271??2009-04-06?10:30??STM32_modbus_master_成功\FWlib\inc\stm32f10x_dac.h

?????文件???????2980??2009-04-06?10:30??STM32_modbus_master_成功\FWlib\inc\stm32f10x_dbgmcu.h

?????文件??????18790??2009-04-06?10:30??STM32_modbus_master_成功\FWlib\inc\stm32f10x_dma.h

?????文件???????5833??2009-04-06?10:30??STM32_modbus_master_成功\FWlib\inc\stm32f10x_exti.h

?????文件??????14446??2009-04-06?10:30??STM32_modbus_master_成功\FWlib\inc\stm32f10x_flash.h

?????文件??????17276??2009-09-01?10:57??STM32_modbus_master_成功\FWlib\inc\stm32f10x_fsmc.h

?????文件??????15221??2009-09-04?15:44??STM32_modbus_master_成功\FWlib\inc\stm32f10x_gpio.h

?????文件??????16923??2009-04-06?10:30??STM32_modbus_master_成功\FWlib\inc\stm32f10x_i2c.h

?????文件???????3677??2009-04-06?10:30??STM32_modbus_master_成功\FWlib\inc\stm32f10x_iwdg.h

?????文件???????4201??2009-04-06?10:30??STM32_modbus_master_成功\FWlib\inc\stm32f10x_pwr.h

?????文件??????16258??2009-04-06?10:30??STM32_modbus_master_成功\FWlib\inc\stm32f10x_rcc.h

?????文件???????3659??2009-04-06?10:30??STM32_modbus_master_成功\FWlib\inc\stm32f10x_rtc.h

?????文件??????18598??2009-04-06?10:30??STM32_modbus_master_成功\FWlib\inc\stm32f10x_sdio.h

?????文件??????14896??2009-04-06?10:30??STM32_modbus_master_成功\FWlib\inc\stm32f10x_spi.h

?????文件??????48768??2009-04-06?10:30??STM32_modbus_master_成功\FWlib\inc\stm32f10x_tim.h

?????文件??????14483??2009-04-06?10:30??STM32_modbus_master_成功\FWlib\inc\stm32f10x_usart.h

?????文件???????2785??2009-04-06?10:30??STM32_modbus_master_成功\FWlib\inc\stm32f10x_wwdg.h

?????文件???????6874??2009-04-06?10:30??STM32_modbus_master_成功\FWlib\SRC\misc.c

?????文件??????46634??2009-04-06?10:30??STM32_modbus_master_成功\FWlib\SRC\stm32f10x_adc.c

?????文件???????8248??2009-04-06?10:30??STM32_modbus_master_成功\FWlib\SRC\stm32f10x_bkp.c

?????文件??????30960??2009-04-06?10:30??STM32_modbus_master_成功\FWlib\SRC\stm32f10x_can.c

?????文件???????3340??2009-04-06?10:30??STM32_modbus_master_成功\FWlib\SRC\stm32f10x_crc.c

?????文件??????13723??2009-04-06?10:30??STM32_modbus_master_成功\FWlib\SRC\stm32f10x_dac.c

?????文件???????4310??2009-04-06?10:30??STM32_modbus_master_成功\FWlib\SRC\stm32f10x_dbgmcu.c

............此處省略109個(gè)文件信息

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