tq2440_serial_gsm\tq2440_serial2_gsm.c .................\tq2440_serial2_app.h .................\tq2440_serial.cfg .................\readme.txt tq2440_serial_gsm .................\tq2440_serial_gsm\readme.txt .................\.................\tq2440_serial.cfg .................\.................\tq2440_serial2_app.h .................\.................\tq2440_serial2_gsm.c .................\tq2440_serial_gsm zxur.txt