60 lines
1.7 KiB
C
60 lines
1.7 KiB
C
//
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// Created by dell on 24-11-29.
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//
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#ifndef RS485_H
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#define RS485_H
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#include "gd32e23x_it.h"
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#include "gd32e23x.h"
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#include "systick.h"
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#include <stdbool.h>
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/types.h>
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/******************************************************************************/
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#define RS485_RCU RCU_USART0
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#define RS485_GPIO_RCU RCU_GPIOA
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#define RS485_GPIO_PORT GPIOA
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#define RS485_TX_PIN GPIO_PIN_2
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#define RS485_RX_PIN GPIO_PIN_3
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#define RS485_PHY USART0
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#define RS485_BAUDRATE 115200U
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#define RS485_EN_PIN GPIO_PIN_4
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/******************************************************************************/
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#define RX_BUFFER_SIZE 32
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#define US_IR_PACKAGE_HEADER 0xD5
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#define US_IR_BOARD_TYPE 0x04
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#define US_IR_PACKAGE_LENGTH 0x02
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/******************************************************************************/
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typedef enum
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{
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VALIDATION_SUCCESS = 0,
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VALIDATION_CRC_ERROR = 1,
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VALIDATION_HEADER_ERROR = 2,
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VALIDATION_TYPE_ERROR = 4,
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VALIDATION_LENGTH_ERROR = 8
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} validation_result_t;
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/******************************************************************************/
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void rs485_config(void);
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void process_command(uint8_t* cmd, size_t length);
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uint8_t calculate_crc(uint8_t data[], uint8_t data_length);
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validation_result_t validate_package_crc(uint8_t* data, uint8_t data_length);
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validation_result_t validate_package_header(uint8_t* data);
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validation_result_t validate_package_type(uint8_t* data);
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validation_result_t validate_data_length(uint8_t* data);
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void ultrasonic_distance_value_report(void);
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void mlx90614_tempture_value_report(void);
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#endif //RS485_H
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