180 lines
5.6 KiB
C
180 lines
5.6 KiB
C
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#ifndef _USART_H
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#define _USART_H
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//#ifdef __cplusplus
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// extern "C" {
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//#endif
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//////////////////////////////////////////////////////////////////////////////////
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//#include "stm32l4xx.h"
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//#include "General_type.h"
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//#include "stdio.h"
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//#define DEBUG_MODE
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////#define BAD_DEBUG //旧板子的PD2 控制usart1的发送脚不能拉高了，所以换个引脚
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////#define Board_VerE
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////#define TRANS_SPECIAL
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//#ifndef IN_USART
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//#define EX_USART extern
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// #else
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//#define EX_USART
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//#endif
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//#ifdef Board_VerE
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// #define UART_RD1_PIN GPIO_PIN_3
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// #define UART_RD1_PORT GPIOB
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// #define UART1_RX_PIN GPIO_PIN_10
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// #define UART1_PORT GPIOA
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// #define UART1_TX_PIN GPIO_PIN_9
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//#else
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//
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// #ifdef BAD_DEBUG
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// #define UART_RD1_PIN GPIO_PIN_3
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// #define UART_RD1_PORT GPIOB
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// #else
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// #define UART_RD1_PIN GPIO_PIN_8
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// #define UART_RD1_PORT GPIOB
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// #endif
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// #define UART1_RX_PIN GPIO_PIN_10//GPIO_PIN_7
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// #define UART1_PORT GPIOA//GPIOB
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// #define UART1_TX_PIN GPIO_PIN_9//GPIO_PIN_6
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//#endif
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//#define RX1_UART() HAL_GPIO_WritePin(UART_RD1_PORT,UART_RD1_PIN,GPIO_PIN_RESET)
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//#define TX1_UART() HAL_GPIO_WritePin(UART_RD1_PORT,UART_RD1_PIN,GPIO_PIN_SET)
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////#define UART3_RD_PIN GPIO_PIN_15
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////#define UART3_RD_PORT GPIOA
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////#define UART3_RX_PIN GPIO_PIN_11
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////#define UART3_PORT GPIOC
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////#define UART3_TX_PIN GPIO_PIN_10
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////#define RX3_UART() HAL_GPIO_WritePin(UART3_RD_PORT,UART3_RD_PIN,GPIO_PIN_RESET)
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////#define TX3_UART() HAL_GPIO_WritePin(UART3_RD_PORT,UART3_RD_PIN,GPIO_PIN_SET)
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//#define USART3_RX_LEN 100
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//#define USART1_TX_LEN 150 //定义最大接收字节数 200
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//#define USART1_RX_LEN 50
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//#define RADDR 0x1037
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////#define RADDR 0x1037
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////EX_USART u8 USART_RX_BUF[USART_REC_LEN]; //接收缓冲,最大USART_REC_LEN个字节.末字节为换行符
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////EX_USART u16 USART_RX_STA; //接收状态标记
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////EX_USART UART_HandleTypeDef UART1_Handler; //UART句柄
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//EX_USART UART_HandleTypeDef huart1;//,huart3;
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//EX_USART DMA_HandleTypeDef hdma_usart1_rx;
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//EX_USART DMA_HandleTypeDef hdma_usart1_tx;
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//typedef struct{
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// uint8_t TxBuff[USART1_TX_LEN];
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// uint16_t TxSize;
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// uint8_t Tx_end_flag;
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// uint8_t RxBuff[USART1_RX_LEN];
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// uint8_t aRxBuff;
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// uint16_t RxSize;
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// uint8_t Rx_flag;
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//}USART_BuffTypeDef;
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//EX_USART USART_BuffTypeDef usart1_buf,usart3_buf;
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//EX_USART uint8_t wireless_data[50];
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////如果想串口中断接收，请不要注释以下宏定义
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////EX_USART void uart3_init(u32 bound);
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//EX_USART void debug_printf(char *information,int len);
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//EX_USART void MX_USART1_UART_Init(uint32_t bound);
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//EX_USART void uart_init(uint32_t bound);
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//EX_USART void HAL_UART_IDLECallback(UART_HandleTypeDef *huart);
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//EX_USART void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart);
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//EX_USART void MX_DMA_Init(void) ;
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//EX_USART void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart);
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//EX_USART void Error_Handler(uint8_t flag);
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////EX_USART void Error_Handler(uint8_t flag);
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//#ifdef __cplusplus
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//}
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//#endif
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//#endif
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//#include "stdio.h"
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//#include "./SYSTEM/sys/sys.h"
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#include "main.h"
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//#include "stm32l433xx.h"
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//#include "stm32l4xx.h"
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#include "General_type.h"
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//#include "system.h"
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#include <stdint.h>
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#include <stdbool.h>
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#define COMM_FRAME_HEAD 0xAA
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#define COMPARE55 0x55
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#define FREUENCYDATA 0x10
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#define THORGHFARE0 0x80
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#define THORGHFARE1 0x81
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#define DIELECTRICLEGTH 0x08 //数据长度8
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//串口1收发控制端
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#define RS485_TX_EN HAL_GPIO_WritePin(GPIOB, GPIO_PIN_8, GPIO_PIN_SET)
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#define RS485_RX_EN HAL_GPIO_WritePin(GPIOB, GPIO_PIN_8, GPIO_PIN_RESET)
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//串口2收发控制端
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#define RS485_UART3TX_EN HAL_GPIO_WritePin(GPIOC, GPIO_PIN_12, GPIO_PIN_SET)
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#define RS485_UART3RX_EN HAL_GPIO_WritePin(GPIOC, GPIO_PIN_12, GPIO_PIN_RESET)
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#define UART_RX_BUFFER_SIZE 128
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#define UART_TX_BUFFER_SIZE 64
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typedef enum {
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UART_OK,
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UART_ERROR,
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UART_BUSY
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} UART_Status;
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//*****************结构定义******************************************
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enum tagUSARTSTATUS {RcvSyn,RcvtargetAddress,RcvsourceAddress,RcvLen,RcvaData,ChkSum,CmdOperate};
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//串口接收状态，分为：接收同步位、接收首标识位、接收目的地址、接收源地址、接收数据长度、接收数据、校验、命令处理
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struct tagUSARTDATA
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{
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unsigned char ucHead; //首标识位,数据帧的起始位
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unsigned char ucRcvtargetAddress; //目的地址,1byte数据帧接收设备地址
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unsigned char ucRcvsourceAddress; //源地址,1byte数据帧发送源设备地址
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unsigned int ucRcvDataLen;
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unsigned char ucRepDataLen;
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unsigned char ucDataCount; //串口接收数据计数器
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//unsigned char aData[170]; //数据位
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unsigned char aData[50]; //数据位
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unsigned char ucSendChkCrc ; //发送校验和
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unsigned char ucReceiveChkCrc; //接收校验和
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unsigned char ucCommand; //串口命令
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enum tagUSARTSTATUS usStatus; //串口接收状态
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unsigned char ucReptargetAddress; //目的地址,1byte数据帧接收设备地址
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unsigned char ucRepsourceAddress; //源地址,1byte数据帧发送源设备地址
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unsigned int ucOverTimeCnt;
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};
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extern struct tagUSARTDATA g_udUsart3Data; //串口2
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extern void UART_Init(uint32_t baudrate);
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extern void USART3_Init(uint32_t baudrate);
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extern void Init_485EN(void);
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extern void InitUart3_485EN(void);
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extern void UART_SendStr(uint8_t *PData,uint16_t Datalen);
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extern UART_Status UART_SendByte(uint8_t data);
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extern UART_Status UART_SendString(const char *str);
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extern UART_Status UART3_SendByte(uint8_t data);
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extern void UART3_SendStr(uint8_t *PData,uint16_t Datalen);
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extern void Uart3Rcv(unsigned char ucReadData); //串口2数据处理
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extern void Uart3data_Processing(void); //串口2响应
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#endif /* __UART_H */
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