slave_addr = (rt_uint32_t)psensor->config.intf.user_data;/* get i2c slave address */dev = (struct bmp180_dev*)psensor->parent.user_data;/* bmp180 private data */i2c_bus = (struct rt_i2c_bus_device*)dev->i2c_bus;/* get i2c bus device */msg[0].addr = (rt_uint8_t)slave...
树莓派系列教程12:I2C总线控制BMP180 通过上⼀章,相信各位对树莓派I2C编程有⼀定的了解了,今天我们继续使⽤I2C来控制BMP180压强传感器。BMP180压强传感器操作原理⽐较简单,开机先通过I2C读取出 AC1,AC2,AC3,AC4,AC5,AC6,B1,B2,MB,MC,MD等寄存器的值,这些寄存器的值作为校准时使⽤。如何读取温度...
SFE_BMP180.h SFE_BMP180.cpp 二、创建自定义设备头文件.h 1.参考以上的(my_custom_sensor.h),...
传感器驱动层sensor_bmp180.h:复制 #ifndef_SENSOR_BMP180_H #define_SENSOR_BMP180_H #define BMP...
该气压传感器支持SPI和IIC通信接口,相比上一代的BMP180,精度已有相当大的提升,非常适合应用于低成本的多旋翼飞行器飞行控制器上,价格仅有目前流行的MS5611的四分之一。 STM32通过I2C与BMP280通信 BMP280气压传感器(Digital Pressure sensor) 测试流程图:
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正好手头有个BMP180,它的设备地址是0x77,于是修改设备树build/boards/cv180x/cv1800b_milkv_duo_sd/dts_riscv/cv1800b_milkv_duo_sd.dts使能I2C0: &i2c0 { status = "okay"; bmp180:bmp180@77 { compatible = "bmp180"; reg = <0x77>; ...
MCP9808 temp sensor(0x18 - 0x1F) MMA845x 3-axis Accelerometer(0x1C or 0x1D) FXOS8700 Accelerometer/Magnetometer(0x1C, 0x1D, 0x1E or 0x1F) LSM9DS0 9-axis IMU(0x1D or 0x1E for Accel/Mag, 0x6A or 0x6B for Gyro) ADXL345 3-axis accelerometer(0x1D or 0x53) ...
3.3V-5V Digital Barometric Pressure Sensor Module Liquid Water Level Controller Board 0-40KPa for DIY $0.73 - $1.46 Min. order: 1 piece GY-912 BMP388 ICM20948 10DOF Acceleration Gyroscope Compass Nine-axis Sensor Module $3.12 - $6.24 ...
BMP280 3.3/5V I2C / SP Digital Barometric Pressure Altitude Sensor High Precision Atmospheric Module for Replace BMP180, You can get more details about BMP280 3.3/5V I2C / SP Digital Barometric Pressure Altitude Sensor High Precision Atmospheric Module f