/*
* Handles the USB driver global events.
*/
static void usb_event(USBDriver *usbp, usbevent_t event) {
extern SerialUSBDriver SDU1;
extern SerialUSBDriver SDU2;
switch (event) {
case USB_EVENT_RESET:
return;
case USB_EVENT_ADDRESS:
return;
case USB_EVENT_CONFIGURED:
chSysLockFromISR();
if (usbp->state == USB_ACTIVE) {
/* Enables the endpoints specified into the configuration.
Note, this callback is invoked from an ISR so I-Class functions
must be used.*/
usbInitEndpointI(usbp, USB_INTERRUPT_REQUEST_EP_A, &ep1config);
usbInitEndpointI(usbp, USB_DATA_REQUEST_EP_A, &ep2config);
usbInitEndpointI(usbp, USB_INTERRUPT_REQUEST_EP_B, &ep3config);
usbInitEndpointI(usbp, USB_DATA_REQUEST_EP_B, &ep4config);
/* Resetting the state of the CDC subsystem.*/
sduConfigureHookI(&SDU1);
sduConfigureHookI(&SDU2);
}
else if (usbp->state == USB_SELECTED) {
usbDisableEndpointsI(usbp);
}
chSysUnlockFromISR();
return;
case USB_EVENT_UNCONFIGURED:
return;
case USB_EVENT_SUSPEND:
chSysLockFromISR();
/* Disconnection event on suspend.*/
sduDisconnectI(&SDU1);
sduDisconnectI(&SDU2);
chSysUnlockFromISR();
return;
case USB_EVENT_WAKEUP:
return;
case USB_EVENT_STALLED:
return;
}
return;
}
/*
* Handles the USB driver global events.
*/
static void usb_event(USBDriver *usbp, usbevent_t event) {
switch(event) {
case USB_EVENT_RESET:
return;
case USB_EVENT_ADDRESS:
return;
case USB_EVENT_CONFIGURED:
osalSysLockFromISR();
/* Enables the endpoints specified into the configuration.
Note, this callback is invoked from an ISR so I-Class functions
must be used.*/
usbInitEndpointI(usbp, USBD1_DATA_REQUEST_EP, &ep1config);
usbInitEndpointI(usbp, USBD1_INTERRUPT_REQUEST_EP, &ep2config);
/* Resetting the state of the CDC subsystem.*/
sduConfigureHookI(&OUTPUT_CHANNEL);
osalSysUnlockFromISR();
return;
case USB_EVENT_SUSPEND:
osalSysLockFromISR();
/* Disconnection event on suspend.*/
sduDisconnectI(&OUTPUT_CHANNEL);
osalSysUnlockFromISR();
return;
case USB_EVENT_WAKEUP:
return;
case USB_EVENT_STALLED:
return;
}
return;
}
/**
* @brief Stops the driver.
* @details Any thread waiting on the driver's queues will be awakened with
* the message @p Q_RESET.
*
* @param[in] sdup pointer to a @p SerialUSBDriver object
*
* @api
*/
void sduStop(SerialUSBDriver *sdup) {
USBDriver *usbp = sdup->config->usbp;
osalDbgCheck(sdup != NULL);
osalSysLock();
osalDbgAssert((sdup->state == SDU_STOP) || (sdup->state == SDU_READY),
"invalid state");
/* Driver in stopped state.*/
usbp->in_params[sdup->config->bulk_in - 1U] = NULL;
usbp->out_params[sdup->config->bulk_out - 1U] = NULL;
if (sdup->config->int_in > 0U) {
usbp->in_params[sdup->config->int_in - 1U] = NULL;
}
sdup->state = SDU_STOP;
/* Enforces a disconnection.*/
sduDisconnectI(sdup);
osalOsRescheduleS();
osalSysUnlock();
}