嗨,我需要将 GPS 跟踪器的响应值转换为纬度和经度。响应值是十六进制格式,文档说纬度和经度将是measured in degrees with a 1x10^-7 degree lsb, signed 2’s complement
。例如:
Hexa Binary decimal longitude
B9DCF6B1 10111001110111001111011010110001 3118266033 -117.6701263
谁能帮我用php解决这个问题。