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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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21
os/hal/ports/STM32/LLD/OTGv1/usb_lld.c
View File

@ -35,6 +35,7 @@
#define TRDT_VALUE 5 #define TRDT_VALUE 5
#define EP0_MAX_INSIZE 64 #define EP0_MAX_INSIZE 64
#define EP0_MAX_OUTSIZE 64
/*===========================================================================*/ /*===========================================================================*/
/* Driver exported variables. */ /* Driver exported variables. */
@ -592,8 +593,24 @@ static void otg_epout_handler(USBDriver *usbp, usbep_t ep) {
} }
if ((epint & DOEPINT_XFRC) && (otgp->DOEPMSK & DOEPMSK_XFRCM)) { if ((epint & DOEPINT_XFRC) && (otgp->DOEPMSK & DOEPMSK_XFRCM)) {
/* Receive transfer complete.*/ /* 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); _usb_isr_invoke_out_cb(usbp, ep);
} }
}
} }
/** /**
@ -1143,6 +1160,10 @@ void usb_lld_prepare_receive(USBDriver *usbp, usbep_t ep) {
USBOutEndpointState *osp = usbp->epc[ep]->out_state; USBOutEndpointState *osp = usbp->epc[ep]->out_state;
/* Transfer initialization.*/ /* 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) / pcnt = (osp->rxsize + usbp->epc[ep]->out_maxsize - 1) /
usbp->epc[ep]->out_maxsize; usbp->epc[ep]->out_maxsize;
usbp->otg->oe[ep].DOEPTSIZ = DOEPTSIZ_STUPCNT(3) | DOEPTSIZ_PKTCNT(pcnt) | usbp->otg->oe[ep].DOEPTSIZ = DOEPTSIZ_STUPCNT(3) | DOEPTSIZ_PKTCNT(pcnt) |

4
os/hal/ports/STM32/LLD/OTGv1/usb_lld.h
View File

@ -262,6 +262,10 @@ typedef struct {
input_queue_t *rxqueue; input_queue_t *rxqueue;
} queue; } queue;
} mode; } mode;
/**
* @brief Total transmit transfer size.
*/
size_t totsize;
} USBOutEndpointState; } USBOutEndpointState;
/** /**