Nov 5, 2014 #1 S sabra88 Newbie level 2 Joined Aug 1, 2014 Messages 2 Helped 0 Reputation 0 Reaction score 0 Trophy points 1 Activity points 121 Hello everybody, I want to communicate two efm32 mcu via spi. I started with simple UART interrupt driven and then polling and I was able to receive data. But when i switched to the USART (adding CLOCK), i couldn't receive the data in the slave mcu. Could any one explain me what am I missing ?
Hello everybody, I want to communicate two efm32 mcu via spi. I started with simple UART interrupt driven and then polling and I was able to receive data. But when i switched to the USART (adding CLOCK), i couldn't receive the data in the slave mcu. Could any one explain me what am I missing ?
Nov 8, 2014 #2 udayan92 Full Member level 5 Joined Mar 2, 2014 Messages 284 Helped 40 Reputation 80 Reaction score 39 Trophy points 28 Location India Activity points 1,496 There could be either of the two errors,mentioned in this,that could be occurring in your system. https://web.engr.oregonstate.edu/~traylor/ece473/lectures/uart.pdf Read this and figure out,in which category does your error fall into.Also,get CRO readings on the ports to ensure that the data communication is actually taking place or not.
There could be either of the two errors,mentioned in this,that could be occurring in your system. https://web.engr.oregonstate.edu/~traylor/ece473/lectures/uart.pdf Read this and figure out,in which category does your error fall into.Also,get CRO readings on the ports to ensure that the data communication is actually taking place or not.