29 lines
949 B
C
29 lines
949 B
C
#ifndef __PT100_H__
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#define __PT100_H__
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#include "board.h"
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#include "agile_modbus.h"
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#define PT100_RS485_PORT UART_NUM_3
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#define PT100_SLAVER_ADDR 1U // 从机地址
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#define PT100_DATA_CHANNEL_NUM 3U // 通道数
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#define PT100_MODBUS_RECV_LENGTH 30U // 接收缓冲区大小
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#define PT100_MODBUS_SEND_LENGTH 30U // modbus最大数据长度
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typedef struct
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{
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BOOL idel_flag; // 通过这个标识位来判断是否需要初始化modbus
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uart_t *huart;
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float32_t temperature; // 温度
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agile_modbus_rtu_t ctx_rtu;
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uint8_t ctx_send_buf[PT100_MODBUS_SEND_LENGTH];
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uint8_t ctx_recv_buf[PT100_MODBUS_RECV_LENGTH]; // 公用一个接收缓冲区
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send_data_cb_t send_data_cb; // 发送数据回调函数，外部传入
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} pt100_t;
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extern float32 pt100_tempture[PT100_DATA_CHANNEL_NUM];
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void pt100_init(send_data_cb_t cb);
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void pt100_process(void);
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void pt100_data_deal(void);
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#endif // __PT100_H__
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