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Tentative fix for OUT transactions, not complete. 

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@5733 35acf78f-673a-0410-8e92-d51de3d6d3f4
This commit is contained in:
gdisirio 2013-05-13 14:51:25 +00:00
parent 48eca9d659
commit 16de43cd02
1 changed files with 9 additions and 6 deletions
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15
os/hal/platforms/STM32/USBv1/usb_lld.c
View File

@ -398,19 +398,22 @@ CH_IRQ_HANDLER(STM32_USB1_LP_HANDLER) {
usb_packet_read_to_buffer(udp,
epcp->out_state->mode.linear.rxbuf,
n);
epcp->out_state->mode.linear.rxbuf += n;
epcp->out_state->mode.linear.rxbuf += n;
}
/* Transaction data updated.*/
epcp->out_state->rxcnt += n;
epcp->out_state->rxsize -= n;
epcp->out_state->rxpkts -= 1;
if (epcp->out_state->rxpkts > 0) {
/* Transfer not completed, there are more packets to receive.*/
EPR_SET_STAT_RX(ep, EPR_STAT_RX_VALID);
/* The transaction is completed if the specified number of packets
has been received or the current packet is a short packet.*/
if ((n < epcp->out_maxsize) || (epcp->out_state->rxpkts == 0)) {
/* Transfer complete, invokes the callback.*/
_usb_isr_invoke_out_cb(usbp, ep);
}
else {
/* Transfer completed, invokes the callback.*/
_usb_isr_invoke_out_cb(usbp, ep);
/* Transfer not complete, there are more packets to receive.*/
EPR_SET_STAT_RX(ep, EPR_STAT_RX_VALID);
}
}
}