From 9f8a96a8516e13878b329dbf1da855ed9a3219c4 Mon Sep 17 00:00:00 2001 From: Keith Packard Date: Fri, 1 Apr 2011 14:11:44 -0700 Subject: [PATCH] altos: Make ao_serial_drain public Allow external code to discard serial input Signed-off-by: Keith Packard --- src/ao.h | 3 +++ src/ao_serial.c | 2 +- 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/src/ao.h b/src/ao.h index 77f3259e..b92e623f 100644 --- a/src/ao.h +++ b/src/ao.h @@ -935,6 +935,9 @@ ao_serial_set_stdin(uint8_t stdin); void ao_serial_putchar(char c) __critical; +void +ao_serial_drain(void) __critical; + #define AO_SERIAL_SPEED_4800 0 #define AO_SERIAL_SPEED_9600 1 #define AO_SERIAL_SPEED_19200 2 diff --git a/src/ao_serial.c b/src/ao_serial.c index d6395810..e9373e23 100644 --- a/src/ao_serial.c +++ b/src/ao_serial.c @@ -100,7 +100,7 @@ ao_serial_putchar(char c) __critical ao_serial_tx1_start(); } -static void +void ao_serial_drain(void) __critical { while (!ao_fifo_empty(ao_usart1_tx_fifo)) -- 2.30.2