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ChibiOS
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git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@4267 35acf78f-673a-0410-8e92-d51de3d6d3f4

This commit is contained in:
gdisirio 2012-06-11 17:35:59 +00:00
parent d094e348c5
commit f183c0aa6d
2 changed files with 14 additions and 18 deletions
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30
os/hal/platforms/STM32/OTGv1/usb_lld.c
View File

@ -381,13 +381,6 @@ static void otg_txfifo_handler(USBDriver *usbp, usbep_t ep) {
usbp->epc[ep]->in_state->mode.linear.txbuf += n;
}
usbp->epc[ep]->in_state->txcnt += n;
/* TODO: Potential issue, txcnt can be less than txsize after the planned
number of packets have been received, better disable the interrupt
at the end of the transaction in otg_epin_handler().*/
if (usbp->epc[ep]->in_state->txcnt >= usbp->epc[ep]->in_state->txsize) {
/* Transfer finished.*/
OTG->DIEPEMPMSK &= ~DIEPEMPMSK_INEPTXFEM(ep);
}
}
/**
@ -401,19 +394,20 @@ static void otg_txfifo_handler(USBDriver *usbp, usbep_t ep) {
static void otg_epin_handler(USBDriver *usbp, usbep_t ep) {
uint32_t epint = OTG->ie[ep].DIEPINT;
/* Resets all EP IRQ sources.*/
OTG->ie[ep].DIEPINT = 0xFFFFFFFF;
if (epint & DIEPINT_XFRC) {
/* Transmit transfer complete.*/
_usb_isr_invoke_in_cb(usbp, ep);
}
if (epint & DIEPINT_TXFE) {
/* TX FIFO empty or emptying.*/
otg_txfifo_handler(usbp, ep);
}
if (epint & DIEPINT_TOC) {
/* Timeouts not handled yet, not sure how to handle.*/
OTG->ie[ep].DIEPINT = DIEPINT_TOC;
}
if (epint & DIEPINT_XFRC) {
/* Transmit transfer complete.*/
OTG->ie[ep].DIEPINT = DIEPINT_XFRC;
_usb_isr_invoke_in_cb(usbp, ep);
OTG->DIEPEMPMSK &= ~DIEPEMPMSK_INEPTXFEM(ep);
}
else if (epint & DIEPINT_TXFE) {
/* TX FIFO empty or emptying.*/
OTG->ie[ep].DIEPINT = DIEPINT_TXFE;
otg_txfifo_handler(usbp, ep);
}
}

2
testhal/STM32F4xx/USB_CDC/main.c
View File

@ -443,12 +443,14 @@ int main(void) {
* sleeping in a loop and check the button state.
*/
while (TRUE) {
#if 0
if (!shelltp && (SDU1.config->usbp->state == USB_ACTIVE))
shelltp = shellCreate(&shell_cfg1, SHELL_WA_SIZE, NORMALPRIO);
else if (chThdTerminated(shelltp)) {
chThdRelease(shelltp); /* Recovers memory of the previous shell. */
shelltp = NULL; /* Triggers spawning of a new shell. */
}
#endif
chThdSleepMilliseconds(1000);
}
}