99 lines
3.5 KiB
C
99 lines
3.5 KiB
C
#ifndef __FLOWMETER_H
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#define __FLOWMETER_H
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#include "board.h"
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#include "agile_modbus.h"
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#define FLOWMETER_RS485_PORT_1 UART_NUM_2
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#define FLOWMETER_RS485_PORT_2 UART_NUM_4
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#define FLOWMETER_MAX 2U // 流量计最大数量
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#define FLOWMETER_MODBUS_RECV_LENGTH 30U // 接收缓冲区大小
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#define FLOWMETER_MODBUS_SEND_LENGTH 30U // modbus最大数据长度
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#define FLOWMETER_SLAVER_ADDR 1U // 从机地址
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#define FLOWMETER1_START_REGISTERS_ADDR 0x02 // 起始寄存器地址
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#define FLOWMETER1_REGISTERS_LEN 2U // 寄存器长度,一次性读取0x34个寄存器，FLOWMETER_MODBUS_RECV_LENGTH、FLOWMETER_MODBUS_SEND_LENGTH根据这个来设置
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#define FLOWMETER2_START_REGISTERS_ADDR 0x3A // 起始寄存器地址
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#define FLOWMETER2_REGISTERS_LEN 2U // 寄存器长度
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typedef struct
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{
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uint16_t data1; // 04寄存器值
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uint16_t data2; // 05寄存器值
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uint16_t data3; // 06寄存器值
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} total_flow_t; // 累计总量=04寄存器值*65535+05寄存器值+06寄存器值/1000
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typedef union
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{
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uint8_t data;
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struct
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{
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uint8_t
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total_flow : 1,
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gas_correct : 1,
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response_time : 1,
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auto_zero : 1,
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lower_limit : 1,
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upper_limit : 1;
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} bits;
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} registers_u; // 寄存器
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typedef struct
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{
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registers_u registers_write_enable; // 写使能寄存器
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total_flow_t total_flow; // 累计总量 0x04、0x05、0x06寄存器
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uint16_t gas_correct; // 气体修正系数 0x16寄存器
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uint16_t response_time; // 响应时间 0x17寄存器 10、20、50、100、200、500、1000 毫秒
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uint16_t auto_zero; // 自动教零 0x27寄存器 0xAA55
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uint16_t lower_limit; // 下限报警 0x31寄存器 0-110
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uint16_t upper_limit; // 上限报警 0x33寄存器 0-110
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} flowmeter_calibrate_t;
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typedef enum
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{
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PROCESS_IDEL, // 空闲状态，等待初始化，执行一次初始化
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PROCESS_WRITE_REGISTERS, // 写寄存器
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PROCESS_READ_REGISTERS, // 读取寄存器
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PROCESS_RECEIVE_REGISTERS_DATA, // 接收数据
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PROCESS_DESERIALIZE_DATA, // 反序列化数据
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PROCESS_WAIT,
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PROCESS_END,
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} flowmeter_process_status_e;
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typedef enum
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{
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FLOWMETER_PROCESS_NO_SLEEP,
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FLOWMETER_PROCESS_SLEEP_RECVTM,
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FLOWMETER_PROCESS_SLEEP_100ms,
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FLOWMETER_PROCESS_SLEEP_1s,
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FLOWMETER_PROCESS_SLEEP_3s,
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} flowmeter_process_sleep_e;
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typedef struct
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{
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uart_num_e id;
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uint8_t send_buf[FLOWMETER_MODBUS_SEND_LENGTH];
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uint16_t send_len;
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} flowmeter_write_t; // 需要写寄存器的数据
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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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uint8_t calibration_flag;
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uart_t *huart[FLOWMETER_MAX];
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float32_t flow[FLOWMETER_MAX]; // 顺时流量
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agile_modbus_rtu_t ctx_rtu;
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uint8_t ctx_send_buf[FLOWMETER_MODBUS_SEND_LENGTH];
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uint8_t ctx_recv_buf[FLOWMETER_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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flowmeter_write_t flowmeter_write; // 需要写寄存器的数据
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} flowmeter_t;
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extern void flowmeter_init(send_data_cb_t cb);
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extern void flowmeter_process(void);
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extern flowmeter_process_sleep_e flowmeter_process_need_sleep(void);
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extern float32 flowmeter_get_flow(uint8_t index);
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extern void flowmeter_calibrate_simulate(uint8_t index);
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extern void flowmeter_set_calibration_flag(uint8_t bits);
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#endif // __FLOWMETER_H
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