调试MTK 3326 GPS错误和解决方法

测试结果：

1.打开GPS只能搜索到3颗卫星，不能连接，不可定位。

2. 输出LOG：

01-01 00:36:03.156: ERROR/AmitDaemon(660): Cannot open gsensor!!!
01-01 00:36:03.306: WARN/SurfaceFlinger(126): Layer_MTK(45) type(normal) flag change (0) >>> (1)
01-01 00:36:03.576: WARN/SurfaceFlinger(126): Layer_MTK(45) type(normal) flag change (1) >>> (0)
01-01 00:36:03.616: WARN/SurfaceFlinger(126): Layer_MTK(44) type(normal) flag change (0) >>> (1)
01-01 00:36:03.626: WARN/SurfaceFlinger(126): Layer_MTK(1) type(normal) flag change (0) >>> (1)
01-01 00:36:06.056: ERROR/MUXD(86): 860:write_frame(): Sending frame to channel 3
01-01 00:36:06.606: ERROR/gps_mt3326(126): nmea_reader_parse: Too short. discarded. '
01-01 00:36:06.606: ERROR/gps_mt3326(126): '
01-01 00:36:06.696: ERROR/mnl_linux(661): mtk_sys_agps_disaptcher_callback: send message fail:No such file or directory
01-01 00:36:16.126: ERROR/MUXD(86): 860:write_frame(): Sending frame to channel 3
01-01 00:36:26.176: ERROR/MUXD(86): 860:write_frame(): Sending frame to channel 3
01-01 00:36:36.266: ERROR/MUXD(86): 860:write_frame(): Sending frame to channel 3
01-01 00:36:46.336: ERROR/MUXD(86): 860:write_frame(): Sending frame to channel 3
01-01 00:36:56.426: ERROR/MUXD(86): 860:write_frame(): Sending frame to channel 3

3。 经过修改能搜索到6颗卫星，但是为能连接。连接wifi网络后也不能通过wifi定位。上午把电话部分调试OK，能打电话，接电话。

     用GPS测试软件不断去搜索