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git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@4257 35acf78f-673a-0410-8e92-d51de3d6d3f4

master
gdisirio 2012-06-03 08:12:54 +00:00
parent 36129fd993
commit b8d35693b4
2 changed files with 14 additions and 7 deletions
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2
os/hal/platforms/STM32/OTGv1/stm32_otg.h
View File

@ -849,6 +849,8 @@ typedef struct {
*/
#define DOEPTSIZ_RXDPID_MASK (3U<<29) /**< Received data PID mask. */
#define DOEPTSIZ_RXDPID(n) ((n)<<29) /**< Received data PID value. */
#define DOEPTSIZ_STUPCNT_MASK (3U<<29) /**< SETUP packet count mask. */
#define DOEPTSIZ_STUPCNT(n) ((n)<<29) /**< SETUP packet count value. */
#define DOEPTSIZ_PKTCNT_MASK (0x3FFU<<19)/**< Packet count mask. */
#define DOEPTSIZ_PKTCNT(n) ((n)<<19) /**< Packet count value. */
#define DOEPTSIZ_XFRSIZ_MASK (0x7FFFFU<<0)/**< Transfer size mask. */

19
os/hal/platforms/STM32/OTGv1/usb_lld.c
View File

@ -767,11 +767,15 @@ void usb_lld_write_packet_buffer(USBDriver *usbp, usbep_t ep,
*/
void usb_lld_prepare_receive(USBDriver *usbp, usbep_t ep,
uint8_t *buf, size_t n) {
uint32_t pcnt;
USBOutEndpointState *osp = usbp->epc[ep]->out_state;
(void)usbp;
(void)ep;
(void)buf;
(void)n;
osp->rxbuf = buf;
osp->rxsize = n;
osp->rxcnt = 0;
pcnt = (n + usbp->epc[ep]->out_maxsize - 1) / usbp->epc[ep]->out_maxsize;
OTG->oe[ep].DOEPTSIZ = DOEPTSIZ_STUPCNT(3) | DOEPTSIZ_PKTCNT(pcnt) |
DOEPTSIZ_XFRSIZ(usbp->epc[ep]->out_maxsize);
}
/**
@ -786,6 +790,7 @@ void usb_lld_prepare_receive(USBDriver *usbp, usbep_t ep,
*/
void usb_lld_prepare_transmit(USBDriver *usbp, usbep_t ep,
const uint8_t *buf, size_t n) {
uint32_t pcnt;
USBInEndpointState *isp = usbp->epc[ep]->in_state;
isp->txbuf = buf;
@ -798,8 +803,7 @@ void usb_lld_prepare_transmit(USBDriver *usbp, usbep_t ep,
}
else {
/* Transfer initialization.*/
uint32_t pcnt = (n + usbp->epc[ep]->in_maxsize - 1) /
usbp->epc[ep]->in_maxsize;
pcnt = (n + usbp->epc[ep]->in_maxsize - 1) / usbp->epc[ep]->in_maxsize;
OTG->ie[ep].DIEPTSIZ = DIEPTSIZ_PKTCNT(pcnt) |
DIEPTSIZ_XFRSIZ(usbp->epc[ep]->in_state->txsize);
}
@ -816,7 +820,8 @@ void usb_lld_prepare_transmit(USBDriver *usbp, usbep_t ep,
void usb_lld_start_out(USBDriver *usbp, usbep_t ep) {
(void)usbp;
(void)ep;
OTG->oe[ep].DOEPCTL |= DOEPCTL_CNAK;
}
/**