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Diffstat (limited to 'src/cc1111/ao_usb.c')
-rw-r--r--src/cc1111/ao_usb.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/src/cc1111/ao_usb.c b/src/cc1111/ao_usb.c
index ce26e808..f66e807c 100644
--- a/src/cc1111/ao_usb.c
+++ b/src/cc1111/ao_usb.c
@@ -382,19 +382,19 @@ ao_usb_putchar(char c) __critical __reentrant
ao_usb_in_send();
}
-char
+int
ao_usb_pollchar(void) __critical
{
- char c;
+ uint8_t c;
if (ao_usb_out_bytes == 0) {
USBINDEX = AO_USB_OUT_EP;
if ((USBCSOL & USBCSOL_OUTPKT_RDY) == 0)
- return AO_READ_AGAIN;
+ return -1;
ao_usb_out_bytes = (USBCNTH << 8) | USBCNTL;
if (ao_usb_out_bytes == 0) {
USBINDEX = AO_USB_OUT_EP;
USBCSOL &= ~USBCSOL_OUTPKT_RDY;
- return AO_READ_AGAIN;
+ return -1;
}
}
--ao_usb_out_bytes;
@@ -409,7 +409,7 @@ ao_usb_pollchar(void) __critical
char
ao_usb_getchar(void) __critical
{
- char c;
+ int c;
while ((c = ao_usb_pollchar()) == AO_READ_AGAIN)
ao_sleep(&ao_stdin_ready);