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lld: don't enable channel on write nack, return EAGAIN instead

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Signed-off-by: Amir Hammad <amir.hammad@hotmail.com>
This commit is contained in:
Amir Hammad 2016-09-07 08:56:51 +02:00
parent b895498df9
commit 63446f99fc
1 changed files with 12 additions and 3 deletions
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15
src/usbh_lld_stm32f4.c
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@ -504,9 +504,17 @@ static enum USBH_POLL_STATUS poll_run(usbh_lld_stm32f4_driver_data_t *dev)
if (hcint & OTG_HCINT_NAK) {
REBASE_CH(OTG_HCINT, channel) = OTG_HCINT_NAK;
LOG_PRINTF("NAK");
LOG_PRINTF("NAK\n");
REBASE_CH(OTG_HCCHAR, channel) |= OTG_HCCHAR_CHENA;
free_channel(dev, channel);
usbh_packet_callback_data_t cb_data;
cb_data.status = USBH_PACKET_CALLBACK_STATUS_EAGAIN;
cb_data.transferred_length = channels[channel].data_index;
channels[channel].packet.callback(
channels[channel].packet.callback_arg,
cb_data);
}
@ -540,6 +548,8 @@ static enum USBH_POLL_STATUS poll_run(usbh_lld_stm32f4_driver_data_t *dev)
REBASE_CH(OTG_HCINT, channel) = OTG_HCINT_FRMOR;
LOG_PRINTF("FRMOR");
free_channel(dev, channel);
usbh_packet_callback_data_t cb_data;
cb_data.status = USBH_PACKET_CALLBACK_STATUS_EFATAL;
cb_data.transferred_length = 0;
@ -547,7 +557,6 @@ static enum USBH_POLL_STATUS poll_run(usbh_lld_stm32f4_driver_data_t *dev)
channels[channel].packet.callback(
channels[channel].packet.callback_arg,
cb_data);
free_channel(dev, channel);
}
if (hcint & OTG_HCINT_TXERR) {