2025-03-11 18:55:34 +08:00
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#include <stdio.h>
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "driver/uart.h"
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#include "driver/gpio.h"
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#include "sdkconfig.h"
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#include "esp_log.h"
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/* UART */
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/* UART1 RT-2 TX-1*/
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/* UART2 RT-46 TX-45*/
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#define ECHO_TEST_TXD2 (45)
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#define ECHO_TEST_RXD2 (46)
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#define ECHO_UART_PORT_NUM2 (UART_NUM_2)
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#define ECHO_TEST_TXD1 (1)
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#define ECHO_TEST_RXD1 (2)
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#define ECHO_UART_PORT_NUM1 (UART_NUM_1)
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#define ECHO_TEST_RTS (UART_PIN_NO_CHANGE)
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#define ECHO_TEST_CTS (UART_PIN_NO_CHANGE)
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#define ECHO_UART_BAUD_RATE (9600)
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#define ECHO_TASK_STACK_SIZE (16*1024)
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2025-03-12 17:32:58 +08:00
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/*ѡ<><D1A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С<EFBFBD><D0A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ǵ<EFBFBD><C7B4><EFBFBD><EFBFBD><EFBFBD> Modbus-RTUͨѶ<CDA8><D1B6><EFBFBD>õ<EFBFBD><C3B5><EFBFBD>С<EFBFBD><D0A1><EFBFBD><EFBFBD>*/
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#define BIG_ENDIAN_USED 0
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#define LITTLE_ENDIAN_USED !BIG_ENDIAN_USED
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/*<2A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƶ<EFBFBD>ַ*/
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#define FLUX_ADDR 0x01
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#define FLUX_FUNC_READ 0x03
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#define FLUX_FUNC_SET 0x16
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/*Modbus-RTU֡<55><D6A1>ʽ */
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/*ʪʽ<CAAA><CABD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݾ<EFBFBD>Ϊ<EFBFBD><CEAA><EFBFBD><EFBFBD><EFBFBD>ֽ<EFBFBD>*/
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/*
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ADDR : 1byte
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FUNC : 1byte
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DATA : 2byte
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CRC : 2byte
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*/
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struct ModbusRTU_Frame
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{
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unsigned char ADDR;
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unsigned char FUNC;
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unsigned char DATA[2];
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unsigned char CRC[2];
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};
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2025-03-11 18:55:34 +08:00
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/*<2A><><EFBFBD><EFBFBD>1<EFBFBD><31>Ӧ<EFBFBD><D3A6><EFBFBD><EFBFBD>*/
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void uart1_echoTask(void);
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/*<2A><><EFBFBD><EFBFBD>2<EFBFBD><32>Ӧ<EFBFBD><D3A6><EFBFBD><EFBFBD>*/
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void uart2_echoTask(void);
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2025-03-12 17:32:58 +08:00
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/*CRC16У<36><D0A3>*/
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unsigned short CRC16(unsigned char* pchMsg, unsigned short wDataLen);
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