//PC1<-->ERR //PC2<-->COMM //PC3<-->RUN //PB10<-->UART3_TX //PB11<-->UART3_RX //PA4<-->DAC_OUT1 //PA5<-->DAC_OUT2 //ADC1_6<-->PA6 //ADC1_7<-->PA7 //ADC1_8<-->PB0 //ADC1_9<-->PB1 enum PLCTYPEStatus { MON=0,FX1S, FX1N,FX2N }; char PLCTYPE=FX2N; #define brd 19200 //#define brd 9600 //#define PLCTYPE 0X6662//FX1N //#define PLCTYPE 0X5EF6 //#define PLCTYPE 0X56C2//FX1S #define XX00 (GPIOA->IDR &GPIO;_Pin_0)//PA0 #define XX01 (GPIOA->IDR &GPIO;_Pin_1)//PA1 #define XX02 (GPIOC->IDR &GPIO;_Pin_5)//PC5 #define XX03 (GPIOC->IDR &GPIO;_Pin_6)//PC6 #define XX04 (GPIOC->IDR &GPIO;_Pin_7)//PC7 #define XX05 (GPIOC->IDR &GPIO;_Pin_4)//PC4 #define XX06 (GPIOA->IDR &GPIO;_Pin_14)//PA14 #define XX07 (GPIOA->IDR &GPIO;_Pin_13)//PA13 #define XX10 (GPIOA->IDR &GPIO;_Pin_11)//PA11 #define XX11 (GPIOA->IDR &GPIO;_Pin_8)//PA8 #define XX12 (GPIOC->IDR &GPIO;_Pin_9)//PC9 #define XX13 (GPIOD->IDR &GPIO;_Pin_15)//PD15 #define XX14 (GPIOD->IDR &GPIO;_Pin_14)//PD14 #define XX15 (GPIOD->IDR &GPIO;_Pin_13)//PD13 #define XX16 (GPIOD->IDR &GPIO;_Pin_12)//PD12 #define XX17 (GPIOD->IDR &GPIO;_Pin_11)//PD11 #define XX20 (GPIOD->IDR &GPIO;_Pin_10//PD10 #define XX21 (GPIOD->IDR &GPIO;_Pin_9)//PD9 #define XX22 (GPIOD->IDR &GPIO;_Pin_8)//PD8 #define XX23 (GPIOB->IDR &GPIO;_Pin_15)//PB15 #define XX24 (GPIOB->IDR &GPIO;_Pin_14)//PB14 #define XX25 (GPIOB->IDR &GPIO;_Pin_13)//PB13 #define XX26 (GPIOE->IDR &GPIO;_Pin_15)//PE15 #define XX27 (GPIOE->IDR &GPIO;_Pin_10)//PE10 #define XX30 (GPIOE->IDR &GPIO;_Pin_14)//PE14 #define XX31 (GPIOE->IDR &GPIO;_Pin_11)//PE11 #define XX32 (GPIOE->IDR &GPIO;_Pin_13)//PE13 #define XX33 (GPIOE->IDR &GPIO;_Pin_12)//PE12 #define XX34 (GPIOB->IDR &GPIO;_Pin_12)//PB12<-->RUN_SW #define XX35 (GPIOE->IDR &GPIO;_Pin_7)//PE7<-->POWER DETECT //YY00<-->PA2 //YY01<-->PC8 //YY02<-->PA15 //YY03<-->PC10 //YY04<-->PC11 //YY05<-->PC12 //YY06<-->PD0 //YY07<-->PD1 //YY10<-->PD3 //YY11<-->PD4 //YY12<-->PD5 //YY13<-->PD6 //YY14<-->PD7 //YY15<-->PB3 //YY16<-->PB4 //YY17<-->PB5 //YY20<-->PB6 //YY21<-->PB7 //YY22<-->PE1 //YY23<-->PE2 //YY24<-->PE3 //YY25<-->PE4 //YY26<-->PE5 //YY27<-->PE6

想学习的可以参考，STM 32 仿PLC源码，IAR软件 注释清晰。

基于标准库开发的FX3U_F407_V20

FX3U8_STM32FX3u_STM32仿FX3U_STM32仿三菱_stm32_fx3u

可用三菱软件直接下载

《《《《《 PLC指令说明 》》》》》 STM32F103RCT6 仿三菱FX1S、FX1N、FX2N程序 KEIL 源码PLC工程 能通讯、能写入、能运行、校验、读出、监控 支持KEIL4.7 KEIL5 基本指令： LD LDI AND ANI OR ORI LDP LDF ANDP ANDF ORP ORF SET RST MPS MPP MRD ANB ORB OUT INV PLS PLF MC MCR NOP END CALL CJ FEND SRET STL RET 功能指令： ALT MOV ZRST ZCP INC DEC ADD CMP SUB MUL DIV BCD BIN WAND WOR WXOR DECO ENCO REF DHSCS DHSCR PWM RAMP PLSV DRVI DRVA PLSY ZRN PLSR TCMP TZCP TADD TSUB HOUR TRD TWR LD= = AND= = OR= = SFTR SFTL SPD 支持32位D指令，支持上升沿P指令 软件件范围 X0-X77 Y0-Y77 M0-M1535 M8000-M8255 S0-S999 C0-C255 T0-T255 D0-D5999 D8000-D8255 V0-V7 Z0-Z7 软元件掉电保持范围与三菱FX1N兼容 X0-X5高速脉冲捕捉功能与三菱FX1N兼容 Y0 Y1高速脉冲输出功能与三菱FX1N兼容，最高可发两路独立100K脉冲。

GFXK_FX2N_16MR_PCB

#include "iostm32f10xxB.h" #include "stm32f10x_lib.h" #include "main.h" //rac /* Includes ------------------------------------------------------------------*/ #include "iic.c" #include "uart.c" #include "plc.c" #include "stm32f10x_it.c" /* Private functions ---------------------------------------------------------*/ int main(void) { #ifdef DEBUG debug(); #endif //配置系统时钟 sys_config(); //配置 NVIC 和 Vector Table NVIC_Configuration(); //配置使用的GPIO口 GPIO_Configuration(); //改变指定管脚的映射 GPIO_Remap_SWJ_JTAGDisable JTAG-DP 失能 + SW-DP使能 GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable , ENABLE); xxdelay(); SysTick_Config(); I2C_EE_Init(); Analog_Configration(); DMA_Configration(); program = (unsigned char *)(0x0800C000); UART0_setup(); // uart0_txptr = 0; // uart0_txall = 2; // COM0_OUT; // USART1->DR = 0x55; UART1_setup(); LED0_OFF; LED1_OFF; //主循环 plc_main(); } #ifdef DEBUG void assert_failed(u8* file, u32 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

三菱PLC开源重要资料，包括三菱指令代码，三菱下载口通信，开源PLC设计必备哦

【亲测有效】STM32仿三菱PLC源代码自测可用 文件类型：项目文件 主要功能： 重磅推荐，整个工程系统性很强，非常适合学习使用 适合人群：新手及有一定经验的开发人员