STM32F407 基于HAL库采集INA226的完成程序文件
时间: 2024-03-26 15:42:04 浏览: 78
HAL库-STM32F407-CAN通信-过滤器配置实验-程序源码
5星 · 资源好评率100%
对不起,我无法提供完整的程序文件,但我可以给你提供代码示例作为参考:
首先,需要在 CubeMX 中配置 I2C 和 GPIO 外设,并启用 HAL 库。然后在代码中包含 `stm32f4xx_hal.h`、`stm32f4xx_hal_i2c.h` 和 `ina226.h` 头文件。
以下是一个简单的采集 INA226 数据的示例代码:
```c
#include "stm32f4xx_hal.h"
#include "stm32f4xx_hal_i2c.h"
#include "ina226.h"
#define I2C_TIMEOUT 1000
I2C_HandleTypeDef hi2c1;
void INA226_Init(void)
{
INA226_WriteReg(INA226_REG_CONFIG, INA226_CFG_MODE_SHUNT_BUS_CONT);
}
void INA226_WriteReg(uint8_t reg, uint16_t value)
{
uint8_t data[3];
data[0] = reg;
data[1] = (value >> 8) & 0xFF;
data[2] = value & 0xFF;
HAL_I2C_Master_Transmit(&hi2c1, INA226_ADDR << 1, data, 3, I2C_TIMEOUT);
}
uint16_t INA226_ReadReg(uint8_t reg)
{
uint8_t data[2];
HAL_I2C_Master_Transmit(&hi2c1, INA226_ADDR << 1, ®, 1, I2C_TIMEOUT);
HAL_I2C_Master_Receive(&hi2c1, INA226_ADDR << 1, data, 2, I2C_TIMEOUT);
return (data[0] << 8) | data[1];
}
float INA226_ReadShuntVoltage(void)
{
int16_t val = INA226_ReadReg(INA226_REG_SHUNT_VOLTAGE);
return (float)val * 0.00001;
}
float INA226_ReadBusVoltage(void)
{
uint16_t val = INA226_ReadReg(INA226_REG_BUS_VOLTAGE);
return (float)(val >> 3) * 0.004;
}
float INA226_ReadCurrent(void)
{
int16_t val = INA226_ReadReg(INA226_REG_CURRENT);
return (float)val * 0.00002;
}
float INA226_ReadPower(void)
{
int16_t val = INA226_ReadReg(INA226_REG_POWER);
return (float)val * 0.002;
}
int main(void)
{
HAL_Init();
__HAL_RCC_GPIOA_CLK_ENABLE();
__HAL_RCC_GPIOB_CLK_ENABLE();
__HAL_RCC_I2C1_CLK_ENABLE();
GPIO_InitTypeDef GPIO_InitStruct;
GPIO_InitStruct.Pin = GPIO_PIN_9 | GPIO_PIN_10;
GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF4_I2C1;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
hi2c1.Instance = I2C1;
hi2c1.Init.ClockSpeed = 100000;
hi2c1.Init.DutyCycle = I2C_DUTYCYCLE_2;
hi2c1.Init.OwnAddress1 = 0;
hi2c1.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
hi2c1.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
hi2c1.Init.OwnAddress2 = 0;
hi2c1.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
hi2c1.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
if (HAL_I2C_Init(&hi2c1) != HAL_OK)
{
Error_Handler();
}
INA226_Init();
while (1)
{
float shunt_voltage = INA226_ReadShuntVoltage();
float bus_voltage = INA226_ReadBusVoltage();
float current = INA226_ReadCurrent();
float power = INA226_ReadPower();
// do something with the data
HAL_Delay(1000);
}
}
```
在这个示例代码中,函数 `INA226_Init()` 初始化 INA226 寄存器,其他函数用于读取 INA226 的电压、电流和功率等数据。`main()` 函数中初始化 I2C 外设并循环读取数据。
请注意,这只是一个简单的示例代码,具体的实现可能需要根据你的具体需求进行修改和调整。
阅读全文