Patent ID: 6327476
Filing Date: 2001-12-04
Classification: H04M,H04W

Abstract:
A wireless handset comprising:a microcontroller;a data memory;a computer communication port;an outgoing data buffer storing data bits received at said computer communication port;an audio input;a codec;a frame buffer storing bits to be represented by an RF signal;a sample transfer routine comprising instructions stored in said data memory, said instructions executable by said microcontroller, said sample transfer routine responsive to a codec interrupt to transfer first audio samples received at said audio input to said codec, and to transfer second audio samples from said codec to said frame buffer;a data transfer routine comprising instructions stored in said data memory, said instructions executable by said microcontroller, said data transfer routine responsive to said codec interrupt to transfer data from said outgoing data buffer to said frame buffer; anda data communication establishment routine comprising instructions stored in said data memory, said instructions executable by said microcontroller, said data communication establishment routine responsive to a data communication signal at said computer communication port to disable said sample transfer routine and to enable said data transfer routine.