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| author | matt | 2008-12-05 00:03:29 +0000 |
|---|---|---|
| committer | matt | 2008-12-05 00:03:29 +0000 |
| commit | 4ef65a60c4cf79a11a097cac312d86803fbbd202 (patch) | |
| tree | ae4e6511b7f6e34965b2ed449058cc4bf208f1ae /usrp2/firmware/lib/hal_uart.c | |
| parent | 4ffdba1a3f74aaf98b89047f1834055652586359 (diff) | |
| download | gnuradio-4ef65a60c4cf79a11a097cac312d86803fbbd202.tar.gz gnuradio-4ef65a60c4cf79a11a097cac312d86803fbbd202.tar.bz2 gnuradio-4ef65a60c4cf79a11a097cac312d86803fbbd202.zip | |
send a char to the serial port, but don't wait if the queue is full
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@10102 221aa14e-8319-0410-a670-987f0aec2ac5
Diffstat (limited to 'usrp2/firmware/lib/hal_uart.c')
| -rw-r--r-- | usrp2/firmware/lib/hal_uart.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/usrp2/firmware/lib/hal_uart.c b/usrp2/firmware/lib/hal_uart.c index f1d46fe84..75b12b432 100644 --- a/usrp2/firmware/lib/hal_uart.c +++ b/usrp2/firmware/lib/hal_uart.c @@ -57,6 +57,16 @@ hal_uart_putc(int ch) u->txchar = ch; } +void +hal_uart_putc_nowait(int ch) +{ + if (ch == '\n') // FIXME for now map \n -> \r\n + hal_uart_putc('\r'); + + if(u->txlevel) // If fifo has space + u->txchar = ch; +} + int hal_uart_getc(void) { |