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Hi! i am new to this forum. But still i am sure that this is the place where i could solve the problem regarding my code written in keil c.
Actually, I am working with the voice controlled project. I am sending the speech that has been converted to text through Usb to rs232c cable to p3.0 port of Atmel AT89c51 microcontroller. Now, I am controlling the microcontroller using the keil c. So, I need to receive the text serially using pointers or any other mechanism and the extracted word shoud be compared to either of the commands like right, left,stop,back and provide the appropriate logigic values to motor driving circuit to control the motor. So i have worked with this keil for long time but still i am not getting the respose from the microcontroller side toward the motor driving circuit.
So please help me in moving my project forward. cheers.
Sounds like a basic text parsing exercise, do you have any C coding experience?
The forum really isn't the place to get your homework done.
There are lots of examples how to receive data over UART.
Then it's simple to decode and decide what to do.
Remember that the best way to verify your baudrate is to send some characters and verify with an oscilloscope.
I am sending the speech that has been converted to text through Usb to rs232c cable to p3.0 port of Atmel AT89c51 microcontroller. I fail to see the MAX232(equivalent), the AT89c51, can not handle RS232 signal levels
Erik