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Fixed bug #531. 

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@7273 35acf78f-673a-0410-8e92-d51de3d6d3f4
master
gdisirio 2014-09-14 08:07:49 +00:00
parent 653a7e9ad0
commit a8042eea48
2 changed files with 48 additions and 23 deletions
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59
os/hal/ports/STM32/LLD/OTGv1/usb_lld.c
View File

@ -32,12 +32,13 @@
/* Driver local definitions. */
/*===========================================================================*/
#define TRDT_VALUE 5
#define EP0_MAX_INSIZE 64
/*===========================================================================*/
/* Driver exported variables. */
#define TRDT_VALUE 5
#define EP0_MAX_INSIZE 64
#define EP0_MAX_OUTSIZE 64
/*===========================================================================*/
/* Driver exported variables. */
/*===========================================================================*/
/** @brief OTG_FS driver identifier.*/
@ -589,13 +590,29 @@ static void otg_epout_handler(USBDriver *usbp, usbep_t ep) {
specific callback.*/
_usb_isr_invoke_setup_cb(usbp, ep);
}
if ((epint & DOEPINT_XFRC) && (otgp->DOEPMSK & DOEPMSK_XFRCM)) {
/* Receive transfer complete.*/
_usb_isr_invoke_out_cb(usbp, ep);
}
}
}
if ((epint & DOEPINT_XFRC) && (otgp->DOEPMSK & DOEPMSK_XFRCM)) {
/* Receive transfer complete.*/
USBOutEndpointState *osp = usbp->epc[ep]->out_state;
if (osp->rxsize < osp->totsize) {
/* In case the transaction covered only part of the total transfer
then another transaction is immediately started in order to
cover the remaining.*/
osp->rxsize = osp->totsize - osp->rxsize;
osp->rxcnt = 0;
usb_lld_prepare_receive(usbp, ep);
chSysLockFromIsr();
usb_lld_start_out(usbp, ep);
chSysUnlockFromIsr();
}
else {
/* End on OUT transfer.*/
_usb_isr_invoke_out_cb(usbp, ep);
}
}
}
/**
* @brief OTG shared ISR.
*
@ -1140,12 +1157,16 @@ void usb_lld_read_setup(USBDriver *usbp, usbep_t ep, uint8_t *buf) {
*/
void usb_lld_prepare_receive(USBDriver *usbp, usbep_t ep) {
uint32_t pcnt;
USBOutEndpointState *osp = usbp->epc[ep]->out_state;
/* Transfer initialization.*/
pcnt = (osp->rxsize + usbp->epc[ep]->out_maxsize - 1) /
usbp->epc[ep]->out_maxsize;
usbp->otg->oe[ep].DOEPTSIZ = DOEPTSIZ_STUPCNT(3) | DOEPTSIZ_PKTCNT(pcnt) |
USBOutEndpointState *osp = usbp->epc[ep]->out_state;
/* Transfer initialization.*/
osp->totsize = osp->rxsize;
if ((ep == 0) && (osp->rxsize > EP0_MAX_OUTSIZE))
osp->rxsize = EP0_MAX_OUTSIZE;
pcnt = (osp->rxsize + usbp->epc[ep]->out_maxsize - 1) /
usbp->epc[ep]->out_maxsize;
usbp->otg->oe[ep].DOEPTSIZ = DOEPTSIZ_STUPCNT(3) | DOEPTSIZ_PKTCNT(pcnt) |
DOEPTSIZ_XFRSIZ(osp->rxsize);
}

12
os/hal/ports/STM32/LLD/OTGv1/usb_lld.h
View File

@ -260,10 +260,14 @@ typedef struct {
* @brief Pointer to the input queue.
*/
input_queue_t *rxqueue;
} queue;
} mode;
} USBOutEndpointState;
} queue;
} mode;
/**
* @brief Total transmit transfer size.
*/
size_t totsize;
} USBOutEndpointState;
/**
* @brief Type of an USB endpoint configuration structure.
* @note Platform specific restrictions may apply to endpoints.