/**
* @brief Notification of data removed from the input queue.
*/
static void inotify(GenericQueue *qp) {
size_t n, maxsize;
BulkUSBDriver *bdup = chQGetLink(qp);
/* If the USB driver is not in the appropriate state then transactions
must not be started.*/
if ((usbGetDriverStateI(bdup->config->usbp) != USB_ACTIVE) ||
(bdup->state != BDU_READY))
return;
/* If there is in the queue enough space to hold at least one packet and
a transaction is not yet started then a new transaction is started for
the available space.*/
maxsize = bdup->config->usbp->epc[bdup->config->bulk_out]->out_maxsize;
if (!usbGetReceiveStatusI(bdup->config->usbp, bdup->config->bulk_out) &&
((n = chIQGetEmptyI(&bdup->iqueue)) >= maxsize)) {
chSysUnlock();
n = (n / maxsize) * maxsize;
usbPrepareQueuedReceive(bdup->config->usbp,
bdup->config->bulk_out,
&bdup->iqueue, n);
chSysLock();
usbStartReceiveI(bdup->config->usbp, bdup->config->bulk_out);
}
}
/**
* @brief Notification of data removed from the input queue.
*/
static void inotify(GenericQueue *qp) {
size_t n, maxsize;
SerialUSBDriver *sdup = chQGetLink(qp);
/* If the USB driver is not in the appropriate state then transactions
must not be started.*/
if (usbGetDriverStateI(sdup->config->usbp) != USB_ACTIVE)
return;
/* If there is in the queue enough space to hold at least one packet and
a transaction is not yet started then a new transaction is started for
the available space.*/
maxsize = sdup->config->usbp->epc[USB_CDC_DATA_AVAILABLE_EP]->out_maxsize;
if (!usbGetReceiveStatusI(sdup->config->usbp, USB_CDC_DATA_AVAILABLE_EP) &&
((n = chIQGetEmptyI(&sdup->iqueue)) >= maxsize)) {
chSysUnlock();
n = (n / maxsize) * maxsize;
usbPrepareQueuedReceive(sdup->config->usbp,
USB_CDC_DATA_AVAILABLE_EP,
&sdup->iqueue, n);
chSysLock();
usbStartReceiveI(sdup->config->usbp, USB_CDC_DATA_AVAILABLE_EP);
}
}
/**
* @brief Notification of data inserted into the output queue.
*/
static void onotify(GenericQueue *qp) {
size_t n;
SerialUSBDriver *sdup = chQGetLink(qp);
/* If the USB driver is not in the appropriate state then transactions
must not be started.*/
if (usbGetDriverStateI(sdup->config->usbp) != USB_ACTIVE)
return;
/* If there is not an ongoing transaction and the output queue contains
data then a new transaction is started.*/
if (!usbGetTransmitStatusI(sdup->config->usbp, USB_CDC_DATA_REQUEST_EP) &&
((n = chOQGetFullI(&sdup->oqueue)) > 0)) {
chSysUnlock();
usbPrepareQueuedTransmit(sdup->config->usbp,
USB_CDC_DATA_REQUEST_EP,
&sdup->oqueue, n);
chSysLock();
usbStartTransmitI(sdup->config->usbp, USB_CDC_DATA_REQUEST_EP);
}
}
/**
* @brief Notification of data inserted into the output queue.
*/
static void onotify(GenericQueue *qp) {
size_t n;
BulkUSBDriver *bdup = chQGetLink(qp);
/* If the USB driver is not in the appropriate state then transactions
must not be started.*/
if ((usbGetDriverStateI(bdup->config->usbp) != USB_ACTIVE) ||
(bdup->state != BDU_READY))
return;
/* If there is not an ongoing transaction and the output queue contains
data then a new transaction is started.*/
if (!usbGetTransmitStatusI(bdup->config->usbp, bdup->config->bulk_in) &&
((n = chOQGetFullI(&bdup->oqueue)) > 0)) {
chSysUnlock();
usbPrepareQueuedTransmit(bdup->config->usbp,
bdup->config->bulk_in,
&bdup->oqueue, n);
chSysLock();
usbStartTransmitI(bdup->config->usbp, bdup->config->bulk_in);
}
}