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Hi, I am trying to send data from one controller to another directly ie without converting it into serial. Now when i send the data using 232 it is being received alright and the out put is also displayed. i am using putchar and getchar. but when i try this by directly connecting the Tx of first controller to Rx of next the data is either not being read properly or not being transfered properly. I'm just not getting what is going wrong. it should work i think i have even made the ground common for both the controllers.
Thanks Ajay.
Hi,
Thats correct. You should remove (or disable) the RS232 buffer, otherwise two outputs, one from the RS232-buffer, the other from the microcontroller itself are connected together !
Regards
Luc
Hi Luc,
I can not remove the 232 but how can i disable the buffer for a short while? Thanks Ajay