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ChibiOS
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git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@4592 35acf78f-673a-0410-8e92-d51de3d6d3f4

This commit is contained in:
gdisirio 2012-08-20 15:09:18 +00:00
parent 7cac36ba29
commit db9c410f10
1 changed files with 11 additions and 11 deletions
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22
os/hal/platforms/STM32/OTGv1/usb_lld.c
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@ -114,6 +114,14 @@ static const stm32_otg_params_t hsparams = {
/* Driver local functions. */
/*===========================================================================*/
static void usb_lld_wakeup_pump(USBDriver *usbp) {
if (usbp->thd_wait != NULL) {
chThdResumeI(usbp->thd_wait);
usbp->thd_wait = NULL;
}
}
static void otg_core_reset(stm32_otg_t *otgp) {
/* Core reset and delay of at least 3 PHY cycles.*/
@ -546,10 +554,7 @@ static void otg_epin_handler(USBDriver *usbp, usbep_t ep) {
chSysLockFromIsr();
usbp->txpending |= (1 << ep);
otgp->DIEPEMPMSK &= ~(1 << ep);
if (usbp->thd_wait != NULL) {
chThdResumeI(usbp->thd_wait);
usbp->thd_wait = NULL;
}
usb_lld_wakeup_pump(usbp);
chSysUnlockFromIsr();
}
}
@ -615,14 +620,9 @@ static void usb_lld_serve_interrupt(USBDriver *usbp) {
if (sts & GINTSTS_RXFLVL) {
/* The interrupt is masked while the thread has control or it would
be triggered again.*/
otgp->GINTMSK &= ~GINTMSK_RXFLVLM;
/* Checks if the thread is waiting for an event.*/
chSysLockFromIsr();
if (usbp->thd_wait != NULL) {
/* The thread is made ready, it will be scheduled on ISR exit.*/
chThdResumeI(usbp->thd_wait);
usbp->thd_wait = NULL;
}
otgp->GINTMSK &= ~GINTMSK_RXFLVLM;
usb_lld_wakeup_pump(usbp);
chSysUnlockFromIsr();
}