31 lines
654 B
C
31 lines
654 B
C
#ifndef __INA226_H__
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#define __INA226_H__
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#include "delay.h"
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#include "config.h"
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#include "iic.h"
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// 寄存器地址定义
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#define CONFIG_REG 0x00
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#define SHUNT_V_REG 0x01
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#define BUS_V_REG 0x02
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#define POWER_REG 0x03
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#define CURRENT_REG 0x04
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#define CAL_REG 0x05
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#define ID_REG 0xFF
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// I²C地址（A0/A1接地）
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#define INA226_ADDR 0x80
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// 函数声明
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void INA226_Init (float r_shunt, float max_current);
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void INA226_WriteReg (uint8_t reg, uint16_t value);
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uint16_t INA226_ReadReg (uint8_t reg);
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// float INA226_ReadShuntVoltage (void);
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float INA226_ReadBusVoltage (void);
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float INA226_ReadCurrent (void);
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float INA226_ReadPower (void);
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#endif |