掌微无机心 MCU 主控制程序。STM8+DT7719+6606+CAN+UART+LIN-Palm heart inorganic micro MCU master control program. STM8+ DT7719+6606+ CAN+ UART+ LIN

站心极坐标系和站心直角坐标系的转换（用于GPS导航与定位）-Polar coordinate system and the heart stops the heart stops the conversion Cartesian coordinate system (used for GPS navigation and positioning)

计算站心（东北天）坐标系，以及在此坐标系中卫星的高度角、北向角、距离等-Computing station heart (northeast) coordinate system, and the height of the satellite in the coordinate system Angle, north Angle, distance and so on