Correct method for disabling STR750 UART transmit section while transmit

[nir]

Posted on June 02, 2008 at 04:15

Correct method for disabling STR750 UART transmit section while transmit

[nir]

Posted on June 02, 2008 at 04:15

Hello,

I am writing a driver for the STR750 UART, with FIFOs enabled, and I currently need a method to stop the transmit section of the UART while it is transmitting. I don't want to disable the whole UART (clear bit 0 in UART_CR) or flush the transmit FIFO (by disabling bit 4 in UART LCR).

Is it possible to do this just by clearing bit 8 in UART_CR.

If the latter is possible, are there any consequences if I re-enable the transmit later, i.e. do all UART parameters left intact and I can continue as usual from the point I stopped the transmition?