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

[fw/altos] / src / stm / ao_usb_stm.c

diff --git a/src/stm/ao_usb_stm.c b/src/stm/ao_usb_stm.c
index d93a0c174c16a7a851669241fa98fbd68083d2d9..9379e5cd62efd19a8cdf994669fa171be0a9f11b 100644 (file)
--- a/src/stm/ao_usb_stm.c
+++ b/src/stm/ao_usb_stm.c
@@ -873,10 +873,10 @@ _ao_usb_out_recv(void)
        ao_usb_set_stat_rx(AO_USB_OUT_EPR, STM_USB_EPR_STAT_RX_VALID);
 }
 
-static char
+static int
 _ao_usb_pollchar(void)
 {
-       char c;
+       uint8_t c;
 
        if (!ao_usb_running)
                return AO_READ_AGAIN;
@@ -896,10 +896,10 @@ _ao_usb_pollchar(void)
        return c;
 }
 
-char
+int
 ao_usb_pollchar(void)
 {
-       char    c;
+       int     c;
        ao_arch_block_interrupts();
        c = _ao_usb_pollchar();
        ao_arch_release_interrupts();
@@ -909,7 +909,7 @@ ao_usb_pollchar(void)
 char
 ao_usb_getchar(void)
 {
-       char    c;
+       int     c;
 
        ao_arch_block_interrupts();
        while ((c = _ao_usb_pollchar()) == AO_READ_AGAIN)