diff options
Diffstat (limited to 'os/hal/src/serial_usb.c')
| -rw-r--r-- | os/hal/src/serial_usb.c | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/os/hal/src/serial_usb.c b/os/hal/src/serial_usb.c index d4525c52f..afa6679e4 100644 --- a/os/hal/src/serial_usb.c +++ b/os/hal/src/serial_usb.c @@ -56,8 +56,9 @@ static cdc_linecoding_t linecoding = { static size_t write(void *ip, const uint8_t *bp, size_t n) {
- if (usbGetDriverStateI(((SerialUSBDriver *)ip)->config->usbp) != USB_ACTIVE)
+ if (usbGetDriverStateI(((SerialUSBDriver *)ip)->config->usbp) != USB_ACTIVE) {
return 0;
+ }
return obqWriteTimeout(&((SerialUSBDriver *)ip)->obqueue, bp,
n, TIME_INFINITE);
@@ -65,8 +66,9 @@ static size_t write(void *ip, const uint8_t *bp, size_t n) { static size_t read(void *ip, uint8_t *bp, size_t n) {
- if (usbGetDriverStateI(((SerialUSBDriver *)ip)->config->usbp) != USB_ACTIVE)
+ if (usbGetDriverStateI(((SerialUSBDriver *)ip)->config->usbp) != USB_ACTIVE) {
return 0;
+ }
return ibqReadTimeout(&((SerialUSBDriver *)ip)->ibqueue, bp,
n, TIME_INFINITE);
@@ -74,48 +76,54 @@ static size_t read(void *ip, uint8_t *bp, size_t n) { static msg_t put(void *ip, uint8_t b) {
- if (usbGetDriverStateI(((SerialUSBDriver *)ip)->config->usbp) != USB_ACTIVE)
+ if (usbGetDriverStateI(((SerialUSBDriver *)ip)->config->usbp) != USB_ACTIVE) {
return MSG_RESET;
+ }
return obqPutTimeout(&((SerialUSBDriver *)ip)->obqueue, b, TIME_INFINITE);
}
static msg_t get(void *ip) {
- if (usbGetDriverStateI(((SerialUSBDriver *)ip)->config->usbp) != USB_ACTIVE)
+ if (usbGetDriverStateI(((SerialUSBDriver *)ip)->config->usbp) != USB_ACTIVE) {
return MSG_RESET;
+ }
return ibqGetTimeout(&((SerialUSBDriver *)ip)->ibqueue, TIME_INFINITE);
}
static msg_t putt(void *ip, uint8_t b, systime_t timeout) {
- if (usbGetDriverStateI(((SerialUSBDriver *)ip)->config->usbp) != USB_ACTIVE)
+ if (usbGetDriverStateI(((SerialUSBDriver *)ip)->config->usbp) != USB_ACTIVE) {
return MSG_RESET;
+ }
return obqPutTimeout(&((SerialUSBDriver *)ip)->obqueue, b, timeout);
}
static msg_t gett(void *ip, systime_t timeout) {
- if (usbGetDriverStateI(((SerialUSBDriver *)ip)->config->usbp) != USB_ACTIVE)
+ if (usbGetDriverStateI(((SerialUSBDriver *)ip)->config->usbp) != USB_ACTIVE) {
return MSG_RESET;
+ }
return ibqGetTimeout(&((SerialUSBDriver *)ip)->ibqueue, timeout);
}
static size_t writet(void *ip, const uint8_t *bp, size_t n, systime_t timeout) {
- if (usbGetDriverStateI(((SerialUSBDriver *)ip)->config->usbp) != USB_ACTIVE)
+ if (usbGetDriverStateI(((SerialUSBDriver *)ip)->config->usbp) != USB_ACTIVE) {
return 0;
+ }
return obqWriteTimeout(&((SerialUSBDriver *)ip)->obqueue, bp, n, timeout);
}
static size_t readt(void *ip, uint8_t *bp, size_t n, systime_t timeout) {
- if (usbGetDriverStateI(((SerialUSBDriver *)ip)->config->usbp) != USB_ACTIVE)
+ if (usbGetDriverStateI(((SerialUSBDriver *)ip)->config->usbp) != USB_ACTIVE) {
return 0;
+ }
return ibqReadTimeout(&((SerialUSBDriver *)ip)->ibqueue, bp, n, timeout);
}
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