generated from hulk/gd32e23x_template_cmake_vscode
release dev branch
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155
Inc/tmp112.h
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155
Inc/tmp112.h
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//
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// Created by dell on 24-12-20.
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// TMP112A Temperature Sensor Driver Header
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//
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#ifndef TMP112_H
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#define TMP112_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 <math.h>
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#include "board_config.h"
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#include "i2c.h"
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/******************************************************************************/
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/* TMP112A I2C Address */
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#define TMP112A_ADDR (0x48) // 7-bit address (ADD0=GND)
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/* Register Addresses */
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/******************************************************************************/
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#define TMP112A_TEMP_REG 0x00 // 温度寄存器
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#define TMP112A_CONFIG_REG 0x01 // 配置寄存器
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#define TMP112A_TLOW_REG 0x02 // 低温阈值寄存器
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#define TMP112A_THIGH_REG 0x03 // 高温阈值寄存器
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/* Configuration Register Bits */
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/******************************************************************************/
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#define TMP112A_CONFIG_OS (1 << 15) // One-shot
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#define TMP112A_CONFIG_R1 (1 << 14) // Converter resolution bit 1
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#define TMP112A_CONFIG_R0 (1 << 13) // Converter resolution bit 0
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#define TMP112A_CONFIG_F1 (1 << 12) // Fault queue bit 1
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#define TMP112A_CONFIG_F0 (1 << 11) // Fault queue bit 0
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#define TMP112A_CONFIG_POL (1 << 10) // Polarity
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#define TMP112A_CONFIG_TM (1 << 9) // Thermostat mode
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#define TMP112A_CONFIG_SD (1 << 8) // Shutdown
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#define TMP112A_CONFIG_CR1 (1 << 7) // Conversion rate bit 1
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#define TMP112A_CONFIG_CR0 (1 << 6) // Conversion rate bit 0
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#define TMP112A_CONFIG_AL (1 << 5) // Alert
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#define TMP112A_CONFIG_EM (1 << 4) // Extended mode
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/* Resolution Settings */
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/******************************************************************************/
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#define TMP112A_RESOLUTION_9BIT 0x0000 // 9-bit (0.5°C)
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#define TMP112A_RESOLUTION_10BIT 0x2000 // 10-bit (0.25°C)
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#define TMP112A_RESOLUTION_11BIT 0x4000 // 11-bit (0.125°C)
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#define TMP112A_RESOLUTION_12BIT 0x6000 // 12-bit (0.0625°C)
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/* Conversion Rate Settings */
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/******************************************************************************/
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#define TMP112A_RATE_0_25HZ 0x0000 // 0.25 Hz (4s)
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#define TMP112A_RATE_1HZ 0x0040 // 1 Hz (1s)
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#define TMP112A_RATE_4HZ 0x0080 // 4 Hz (250ms)
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#define TMP112A_RATE_8HZ 0x00C0 // 8 Hz (125ms)
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/* Default Configuration */
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/******************************************************************************/
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#define TMP112A_CONFIG_DEFAULT (TMP112A_RESOLUTION_12BIT | TMP112A_RATE_4HZ)
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/* Temperature Conversion Constants */
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/******************************************************************************/
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#define TMP112A_TEMP_RESOLUTION 0.0625f // 12-bit resolution (°C/LSB)
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#define TMP112A_TEMP_MIN -55.0f // 最低温度 (°C)
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#define TMP112A_TEMP_MAX 125.0f // 最高温度 (°C)
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/* Status Definitions */
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/******************************************************************************/
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typedef enum {
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TMP112A_STATUS_SUCCESS = 0,
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TMP112A_STATUS_ERROR,
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TMP112A_STATUS_TIMEOUT,
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TMP112A_STATUS_INVALID_PARAM,
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TMP112A_STATUS_OUT_OF_RANGE
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} tmp112a_status_t;
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typedef struct {
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uint16_t raw_data;
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float temperature_c;
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float temperature_f;
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bool alert_flag;
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} tmp112a_result_t;
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/******************************************************************************/
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/* Function Declarations */
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/*!
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\brief 初始化TMP112A传感器
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\param[in] none
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\param[out] none
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\retval tmp112a_status_t
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*/
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tmp112a_status_t tmp112a_init(void);
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/*!
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\brief 配置TMP112A传感器
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\param[in] config: 配置值
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\param[out] none
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\retval tmp112a_status_t
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*/
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tmp112a_status_t tmp112a_config(uint16_t config);
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/*!
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\brief 读取温度
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\param[in] none
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\param[out] result: 结果结构体指针
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\retval tmp112a_status_t
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*/
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tmp112a_status_t tmp112a_read_temperature(tmp112a_result_t *result);
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/*!
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\brief 设置温度阈值
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\param[in] low_temp: 低温阈值 (°C)
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\param[in] high_temp: 高温阈值 (°C)
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\param[out] none
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\retval tmp112a_status_t
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*/
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tmp112a_status_t tmp112a_set_thresholds(float low_temp, float high_temp);
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/*!
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\brief 进入关机模式
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\param[in] none
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\param[out] none
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\retval tmp112a_status_t
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*/
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tmp112a_status_t tmp112a_shutdown(void);
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/*!
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\brief 退出关机模式
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\param[in] none
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\param[out] none
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\retval tmp112a_status_t
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*/
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tmp112a_status_t tmp112a_wakeup(void);
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/*!
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\brief 单次转换
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\param[in] none
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\param[out] result: 结果结构体指针
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\retval tmp112a_status_t
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*/
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tmp112a_status_t tmp112a_one_shot(tmp112a_result_t *result);
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/*!
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\brief 获取状态字符串
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\param[in] status: 状态码
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\param[out] none
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\retval const char* 状态字符串
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*/
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const char* tmp112a_get_status_string(tmp112a_status_t status);
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#endif //TMP112_H
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