145 lines
3.8 KiB
C
145 lines
3.8 KiB
C
/*
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* @Author : stark1898y 1658608470@qq.com
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* @Date : 2024-12-15 15:42:00
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* @LastEditors : stark1898y 1658608470@qq.com
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* @LastEditTime : 2024-12-16 20:50:17
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* @FilePath : \BLE_TYQ_CH584M\BSP\inc\bsp_i2c.h
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* @Description :
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*
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* Copyright (c) 2024 by yzy, All Rights Reserved.
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*/
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#ifndef __BSP_I2C_H__
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#define __BSP_I2C_H__
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#include <stddef.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include "CONFIG.h"
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#define GXHTC3C_ADDR 0x70
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// #define GXHTC3C_7BIT_ADDR 0x38 // (GXHTC3C_ADDR >> 1)
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// 供电电压VDD从0上升上电电压VPOR，芯片会进入空闲状态。然后应该通过发送命令让芯片进入休眠状态以降低芯片功耗
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#define GXHTC3C_CMD_SLEEP 0xB098
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// 当芯片处于休眠状态时，如果要进行其它的命令操作，需要发送唤醒命令
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#define GXHTC3C_CMD_WAKEUP 0x3517
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#define GXHTC3C_CMD_NORMAL_CLK_STRE_ON_TEMP_FRONT 0x7CA2
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#define GXHTC3C_CMD_NORMAL_CLK_STRE_ON_HUMI_FRONT 0x5C24
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#define GXHTC3C_CMD_NORMAL_CLK_STRE_OFF_TEMP_FRONT 0x7866
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#define GXHTC3C_CMD_NORMAL_CLK_STRE_OFF_HUMI_FRONT 0x58E0
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#define GXHTC3C_CMD_LOW_CLK_STRE_ON_TEMP_FRONT 0x6458
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#define GXHTC3C_CMD_LOW_CLK_STRE_ON_HUMI_FRONT 0x44DE
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#define GXHTC3C_CMD_LOW_CLK_STRE_OFF_TEMP_FRONT 0x609C
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#define GXHTC3C_CMD_LOW_CLK_STRE_OFF_HUMI_FRONT 0x401A
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#define GXHTC3C_CMD_SOFT_REST 0x805D
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// 读传感器序列号
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#define GXHTC3C_CMD_READ_ID 0xEFC8
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#define I2C_BUFFER_LENGTH 32
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#define I2C_READ 1
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#define I2C_WRITE 0
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typedef enum {
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I2C_READY,
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I2C_MRX,
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I2C_MTX,
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I2C_SRX,
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I2C_STX,
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}i2c_state_t;
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typedef enum {
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I2C_NO_MEM = 1,
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I2C_STATE,
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I2C_MT_NACK,
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I2C_ARB_LOST,
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I2C_BUS_ERROR,
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I2C_OVR,
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I2C_PECERR,
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I2C_TIMEOUT,
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I2C_SMBALERT,
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}i2c_error_t;
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/**
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* @brief User callback function on I2C slave transmitting.
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*
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* @param data Pointer to user data to transmit.
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*
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* @param len Pointer to user data length.
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*/
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typedef void (*i2c_on_slave_transmit)(uint8_t *data, uint8_t *len);
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/**
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* @brief User callback function on I2C slave received.
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*
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* @param data Pointer to current received data.
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*
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* @param len Received data length.
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*/
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typedef void (*i2c_on_slave_receive)(uint8_t *data, uint8_t len);
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struct i2c_slave_cb {
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i2c_on_slave_transmit on_transmit;
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i2c_on_slave_receive on_receive;
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};
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// /**
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// * @brief I2C interrupt routine initialization.
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// *
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// * @param address I2C address.
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// */
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// void i2c_app_init(uint8_t address);
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/**
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* @brief I2C slave user callback function regiester.
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*
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* @param cb Pointer to user callback function.
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*/
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void i2c_slave_cb_register(struct i2c_slave_cb *cb);
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/**
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* @brief I2C master write data to slave.
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*
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* @param addr_7bit I2C slave 7bit address.
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* @param data Pointer to the write data.
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* @param length Write data length.
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* @param wait Choose to wait for the write process to end or not.
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* @param send_stop Choose to send stop or not.
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* @return 0 If successful.
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*/
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int i2c_write_to(uint8_t addr_7bit, const uint8_t *data, uint8_t length,
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uint8_t wait, uint8_t send_stop);
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/**
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* @brief I2C master read data to slave
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*
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* @param addr_7bit I2C slave 7bit address.
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* @param data Pointer to the read data to put in.
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* @param length Read data length.
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* @param send_stop Choose to send stop or not
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* @param timeout Read process timeout.
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* @return Negative on error code otherwise indicates the actual read length.
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*/
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int i2c_read_from(uint8_t addr_7bit, uint8_t *data, uint8_t length,
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uint8_t send_stop, int timeout);
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void GXHTC3C_Sleep(void);
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void GXHTC3C_Wakeup(void);
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void GXHTC3C_GetStart(void);
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uint8_t GXHTC3C_GetTempHumi(float *humi, float *temp);
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void BSP_I2C_DeInit(void);
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void GXHTC3C_Init(void);
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int BSP_ReadTempHumi(float *humi, float *temp);
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#endif // !__BSP_I2C_H__
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