SCD_SCD/SCDV3/applications/peri/iic/sht30.h

/*
 * Copyright (c) 2006-2021, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 * 2023-04-17     19813       the first version
 */
#ifndef APPLICATIONS_PROC_IIC_SHT30_H_
#define APPLICATIONS_PROC_IIC_SHT30_H_

/*********************↓           define           ↓************************/

#define IIC_SCL(sta) (sta == 1 ? HAL_GPIO_WritePin(I2C_SCL_GPIO_Port, I2C_SCL_Pin, GPIO_PIN_SET) : HAL_GPIO_WritePin(I2C_SCL_GPIO_Port, I2C_SCL_Pin, GPIO_PIN_RESET))
#define IIC_SDA(sta) (sta == 1 ? HAL_GPIO_WritePin(I2C_SDA_GPIO_Port, I2C_SDA_Pin, GPIO_PIN_SET) : HAL_GPIO_WritePin(I2C_SDA_GPIO_Port, I2C_SDA_Pin, GPIO_PIN_RESET))
#define READ_SDA HAL_GPIO_ReadPin(I2C_SDA_GPIO_Port, I2C_SDA_Pin)

#define TEM_HUM_ADDR 0x8A
#define LIGHT_ADDR 0x46

/*********************↑           define           ↑************************/
/**
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/*********************↓           include           ↓************************/

#include <main.h>

/*********************↑           include           ↑************************/
/**
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/*********************↓           extern           ↓************************/

/*********************↑           extern           ↑************************/
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/********************↓           declaration          ↓***********************/

typedef enum
{

    /* TEM AND HUM */

    //  CMD_READ_SERIALNBR  = 0x3780, // read serial number
    CMD_READ_STATUS = 0xF32D,    // read status register
                                 //  CMD_CLEAR_STATUS    = 0x3041, // clear status register
                                 //  CMD_HEATER_ENABLE   = 0x306D, // enabled heater
                                 //  CMD_HEATER_DISABLE  = 0x3066, // disable heater
                                 //  CMD_SOFT_RESET      = 0x30A2, // soft reset
                                 //  CMD_MEAS_CLOCKSTR_H = 0x2C06, // meas. clock stretching, high rep.
                                 //  CMD_MEAS_CLOCKSTR_M = 0x2C0D, // meas. clock stretching, medium rep.
                                 //  CMD_MEAS_CLOCKSTR_L = 0x2C10, // meas. clock stretching, low rep.
    CMD_MEAS_POLLING_H = 0x2400, // meas. no clock stretching, high rep.
                                 //  CMD_MEAS_POLLING_M  = 0x240B, // meas. no clock stretching, medium rep.
    CMD_MEAS_POLLING_L = 0x2416, // meas. no clock stretching, low rep.
                                 //  CMD_MEAS_PERI_05_H  = 0x2032, // meas. periodic 0.5 mps, high rep.
                                 //  CMD_MEAS_PERI_05_M  = 0x2024, // meas. periodic 0.5 mps, medium rep.
                                 //  CMD_MEAS_PERI_05_L  = 0x202F, // meas. periodic 0.5 mps, low rep.
                                 //  CMD_MEAS_PERI_1_H   = 0x2130, // meas. periodic 1 mps, high rep.
                                 //  CMD_MEAS_PERI_1_M   = 0x2126, // meas. periodic 1 mps, medium rep.
                                 //  CMD_MEAS_PERI_1_L   = 0x212D, // meas. periodic 1 mps, low rep.
                                 //  CMD_MEAS_PERI_2_H   = 0x2236, // meas. periodic 2 mps, high rep.
    CMD_MEAS_PERI_2_M = 0x2220,  // meas. periodic 2 mps, medium rep.
                                 //  CMD_MEAS_PERI_2_L   = 0x222B, // meas. periodic 2 mps, low rep.
                                 //  CMD_MEAS_PERI_4_H   = 0x2334, // meas. periodic 4 mps, high rep.S
    CMD_MEAS_PERI_4_M = 0x2322,  // meas. periodic 4 mps, medium rep.
                                 //  CMD_MEAS_PERI_4_L   = 0x2329, // meas. periodic 4 mps, low rep.
                                 //  CMD_MEAS_PERI_10_H  = 0x2737, // meas. periodic 10 mps, high rep.
                                 //  CMD_MEAS_PERI_10_M  = 0x2721, // meas. periodic 10 mps, medium rep.
                                 //  CMD_MEAS_PERI_10_L  = 0x272A, // meas. periodic 10 mps, low rep.

    CMD_STOP_MEAS_PERI = 0x3093,
    CMD_FETCH_DATA = 0xE000, // readout measurements for periodic mode
    // CMD_R_AL_LIM_LS     = 0xE102, // read alert limits, low set
    // CMD_R_AL_LIM_LC     = 0xE109, // read alert limits, low clear
    // CMD_R_AL_LIM_HS     = 0xE11F, // read alert limits, high set
    // CMD_R_AL_LIM_HC     = 0xE114, // read alert limits, high clear
    // CMD_W_AL_LIM_LS     = 0x6100, // write alert limits, low set
    // CMD_W_AL_LIM_LC     = 0x610B, // write alert limits, low clear
    // CMD_W_AL_LIM_HS     = 0x611D, // write alert limits, high set
    // CMD_W_AL_LIM_HC     = 0x6116, // write alert limits, high clear
    // CMD_NO_SLEEP        = 0x303E,

} sensor_status;

unsigned char tem_hum_per_init(void);
unsigned char find_iic_addr(void);
unsigned char tem_hum_single_init(void);
unsigned char tem_hum_stop(void);
unsigned char tem_hum_read(int *temp, int *hump);
unsigned char crc8_checksum(unsigned char *ptr, unsigned char len);

void SHT30_Init(void);
uint8_t SHT30_Read(int *temp, int *hump);
uint8_t SHT30_AddrCheck(void);

/********************↑           declaration          ↑***********************/
/**
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/*********************↓        global variables      ↓************************/

/*********************↑        global variables      ↑************************/
/**
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#endif /* APPLICATIONS_PROC_IIC_SHT30_H_ */