This Code will interface a GSM Module and GPS module with dallas dual uart microcontroller DS89C430. Its 100% working. Tested Several times.




File list:
DALLAS_Dual_USART
................\89c4x0_USART1_2
................\89c4x0_USART1_2.c
................\89c4x0_USART1_2.c_cbf
................\89c4x0_USART1_2.lnp
................\89c4x0_USART1_2.LST
................\89c4x0_USART1_2.M51
................\89c4x0_USART1_2.OBJ
................\89c4x0_USART1_2.opt.bak
................\89c4x0_USART1_2.plg
................\89c4x0_USART1_2.Uv2.bak
................\89c4x0_USART1_2.uvgui.sudha
................\89c4x0_USART1_2.uvgui_sudha.bak
................\89c4x0_USART1_2.uvopt
................\89c4x0_USART1_2.uvproj
................\89c4x0_USART1_2v2.0
................\89c4x0_USART1_2v2.c
................\89c4x0_USART1_2v2.LST
................\89c4x0_USART1_2v2.OBJ
................\89c4x0_USART1_2_Opt.Bak
................\89c4x0_USART1_2_uvopt.bak
................\89c4x0_USART1_2_uvproj.bak
................\89c4x0_USART1_2_v2
................\89c4x0_USART1_2_v2.hex
................\89c4x0_USART1_2_v2.lnp
................\89c4x0_USART1_2_v2.M51
................\89c4x0_USART1_2_v2.plg
................\GPS.c
................\GSM.c
................\START4XX.A51
................\START4XX.LST
................\START4XX.OBJ
................\USART.c
Intrefacing GPS and GSM with.ppt