how to send AT command to gsm modem using VHDL

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swapnil_vlsi

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at commands for gsm modem

hi,

I am working on GSM and controlling using FPGA.so i need TO KNOW how to

program xilinx fpga and how to send AT command to gsm modem..i know the AT

commands but by using VHDL how to write the code ?????

for that I did uart vhdl coding for sending AT commands via RS 232 to GSM

modem.


thanks in advance
 

hI I have the same probelm??

have you found out how? if so can you tell me because I am in much need of help.

thank you
 

There are many ways to do this. #1) Create a microblaze processor with a UART port. Write software to send whatever commands you want. #2) Create an instance of the UART controller. Write a state machine to control the UART controller with whatever commands you want.
 

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