使用Keil uVision3环境下，针对C8051F350芯片开发HMC5883L的基于I2C接口的数据传输程序。实现HMC5883L地磁分量信息的读取，采用串口传输。-Using Keil uVision3 environment for C8051F350 chip development HMC5883L I2C interface based data transmission procedures. Achieve HMC5883L geomagnetic component inf