diff options
Diffstat (limited to 'src/cc1111/ao_usb.c')
| -rw-r--r-- | src/cc1111/ao_usb.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/src/cc1111/ao_usb.c b/src/cc1111/ao_usb.c index f66e807c..8bd2efdf 100644 --- a/src/cc1111/ao_usb.c +++ b/src/cc1111/ao_usb.c @@ -383,18 +383,18 @@ ao_usb_putchar(char c) __critical __reentrant } int -ao_usb_pollchar(void) __critical +_ao_usb_pollchar(void) { uint8_t c; if (ao_usb_out_bytes == 0) { USBINDEX = AO_USB_OUT_EP; if ((USBCSOL & USBCSOL_OUTPKT_RDY) == 0) - return -1; + return AO_READ_AGAIN; ao_usb_out_bytes = (USBCNTH << 8) | USBCNTL; if (ao_usb_out_bytes == 0) { USBINDEX = AO_USB_OUT_EP; USBCSOL &= ~USBCSOL_OUTPKT_RDY; - return -1; + return AO_READ_AGAIN; } } --ao_usb_out_bytes; @@ -407,12 +407,14 @@ ao_usb_pollchar(void) __critical } char -ao_usb_getchar(void) __critical +ao_usb_getchar(void) { int c; - while ((c = ao_usb_pollchar()) == AO_READ_AGAIN) + ao_arch_block_interrupts(); + while ((c = _ao_usb_pollchar()) == AO_READ_AGAIN) ao_sleep(&ao_stdin_ready); + ao_arch_release_interrupts(); return c; } @@ -459,5 +461,5 @@ ao_usb_init(void) ao_usb_enable(); ao_add_task(&ao_usb_task, ao_usb_ep0, "usb"); - ao_add_stdio(ao_usb_pollchar, ao_usb_putchar, ao_usb_flush); + ao_add_stdio(_ao_usb_pollchar, ao_usb_putchar, ao_usb_flush); } |