怎么用hal库硬件SMBus读取BQ40Z50数据
时间: 2024-02-23 12:02:01 浏览: 52
首先,你需要在代码中包含hal库和BQ40Z50的驱动程序。然后,你需要初始化I2C总线和BQ40Z50芯片。
在初始化BQ40Z50之前,你需要设置I2C总线的速度和地址。在初始化BQ40Z50之后,你需要设置BQ40Z50的寄存器地址和读取/写入操作。
以下是使用hal库硬件SMBus读取BQ40Z50数据的示例代码:
```c
#include "stm32f4xx_hal.h"
#include "bq40z50.h"
I2C_HandleTypeDef hi2c1;
int main(void)
{
/* Initialize HAL Library */
HAL_Init();
/* Initialize I2C Bus */
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;
HAL_I2C_Init(&hi2c1);
/* Initialize BQ40Z50 */
bq40z50_init(&hi2c1);
/* Read Battery Voltage */
float voltage = bq40z50_read_voltage();
/* Read Battery Current */
float current = bq40z50_read_current();
/* Read Battery Temperature */
float temperature = bq40z50_read_temperature();
/* Read Battery Capacity */
float capacity = bq40z50_read_capacity();
/* Read Battery Status */
uint16_t status = bq40z50_read_status();
/* Read Battery Flags */
uint16_t flags = bq40z50_read_flags();
/* Read Battery Cycle Count */
uint16_t cycle_count = bq40z50_read_cycle_count();
/* Read Battery Design Capacity */
uint16_t design_capacity = bq40z50_read_design_capacity();
/* Read Battery Full Charge Capacity */
uint16_t full_charge_capacity = bq40z50_read_full_charge_capacity();
/* Read Battery Remaining Capacity */
uint16_t remaining_capacity = bq40z50_read_remaining_capacity();
/* Read Battery Average Current */
uint16_t average_current = bq40z50_read_average_current();
/* Read Battery Time to Empty */
uint16_t time_to_empty = bq40z50_read_time_to_empty();
/* Read Battery Time to Full */
uint16_t time_to_full = bq40z50_read_time_to_full();
/* Read Battery Charging Current */
uint16_t charging_current = bq40z50_read_charging_current();
/* Read Battery Charging Voltage */
uint16_t charging_voltage = bq40z50_read_charging_voltage();
/* Read Battery Manufacturer Name */
char manufacturer_name[16] = {0};
bq40z50_read_manufacturer_name(manufacturer_name);
/* Read Battery Device Name */
char device_name[16] = {0};
bq40z50_read_device_name(device_name);
/* Read Battery Firmware Version */
uint16_t firmware_version = bq40z50_read_firmware_version();
/* Read Battery Serial Number */
uint16_t serial_number = bq40z50_read_serial_number();
/* Read Battery State of Charge */
uint16_t state_of_charge = bq40z50_read_state_of_charge();
/* Read Battery State of Health */
uint16_t state_of_health = bq40z50_read_state_of_health();
while (1)
{
/* Do Something */
}
}
```
请注意,这只是一个示例代码,你需要根据你的具体情况作出修改。