Part Number: MSPM0G3507
Tool/software:
Hi everybody. I'm developping a new project with an MSPM0G3507 MCU and i've developped my own usart driver using interrupt for TX and RX management [with FIFO disabled].
I'm having the following issue with the TX interrupt.
To send a new stream of byte with usart i upload it in an internal circular buffer and, after that, i enable TX interrupt but it does not enter automatically, except for the first time [after MCU switch on].
To trigger the TX interrupt i have to send MANUALLY the first carachter. Is it normal? Should not the interrupt enter automatically just enabling it?
