altos: Make stdio 8-bit clean by making pollchar return int

[fw/altos] / src / cc1111 / ao_serial.c

diff --git a/src/cc1111/ao_serial.c b/src/cc1111/ao_serial.c
index 4838380228214dcf7fe0e475bf493a89237bcc21..2a93bf523852dc98a255b0baea7a3a8f9b7111ba 100644 (file)
--- a/src/cc1111/ao_serial.c
+++ b/src/cc1111/ao_serial.c
@@ -85,10 +85,10 @@ ao_serial0_getchar(void) __critical
 }
 
 #if USE_SERIAL_0_STDIN
-char
+int
 ao_serial0_pollchar(void) __critical
 {
-       char    c;
+       uint8_t c;
        if (ao_fifo_empty(ao_serial0_rx_fifo))
                return AO_READ_AGAIN;
        ao_fifo_remove(ao_serial0_rx_fifo,c);
@@ -173,10 +173,10 @@ ao_serial1_getchar(void) __critical
 }
 
 #if USE_SERIAL_1_STDIN
-char
+int
 ao_serial1_pollchar(void) __critical
 {
-       char    c;
+       uint8_t c;
        if (ao_fifo_empty(ao_serial1_rx_fifo))
                return AO_READ_AGAIN;
        ao_fifo_remove(ao_serial1_rx_fifo,c);