andy/tinyUSB
1
0
Fork 0
Code Issues Pull Requests Actions 1 Packages Projects Releases Wiki Activity

update stm32 dcd stall control endpoint

Browse Source
This commit is contained in:
hathach
2019-03-13 16:54:10 +07:00
parent ddfc32f5ec
commit 195a44172a
4 changed files with 33 additions and 93 deletions
Download Patch File Download Diff File Expand all files Collapse all files

52
src/portable/st/stm32f4/dcd_stm32f4.c
View File

@@ -310,36 +310,46 @@ void dcd_edpt_stall (uint8_t rhport, uint8_t ep_addr)
uint8_t const dir = tu_edpt_dir(ep_addr);
if(dir == TUSB_DIR_IN) {
// Stop transmitting packets and NAK IN xfers.
in_ep[epnum].DIEPCTL |= USB_OTG_DIEPCTL_SNAK;
while((in_ep[epnum].DIEPINT & USB_OTG_DIEPINT_INEPNE) == 0);
// Only disable currently enabled non-control endpoint
if ( (epnum == 0) || !(in_ep[epnum].DIEPCTL & USB_OTG_DIEPCTL_EPENA) ){
in_ep[epnum].DIEPCTL |= (USB_OTG_DIEPCTL_SNAK | USB_OTG_DIEPCTL_STALL);
}else {
// Stop transmitting packets and NAK IN xfers.
in_ep[epnum].DIEPCTL |= USB_OTG_DIEPCTL_SNAK;
while((in_ep[epnum].DIEPINT & USB_OTG_DIEPINT_INEPNE) == 0);
// Disable the endpoint. Note that both SNAK and STALL are set here.
in_ep[epnum].DIEPCTL |= (USB_OTG_DIEPCTL_SNAK | USB_OTG_DIEPCTL_STALL | \
USB_OTG_DIEPCTL_EPDIS);
while((in_ep[epnum].DIEPINT & USB_OTG_DIEPINT_EPDISD_Msk) == 0);
in_ep[epnum].DIEPINT = USB_OTG_DIEPINT_EPDISD;
// Disable the endpoint. Note that both SNAK and STALL are set here.
in_ep[epnum].DIEPCTL |= (USB_OTG_DIEPCTL_SNAK | USB_OTG_DIEPCTL_STALL | \
USB_OTG_DIEPCTL_EPDIS);
while((in_ep[epnum].DIEPINT & USB_OTG_DIEPINT_EPDISD_Msk) == 0);
in_ep[epnum].DIEPINT = USB_OTG_DIEPINT_EPDISD;
}
// Flush the FIFO, and wait until we have confirmed it cleared.
USB_OTG_FS->GRSTCTL |= ((epnum - 1) << USB_OTG_GRSTCTL_TXFNUM_Pos);
USB_OTG_FS->GRSTCTL |= USB_OTG_GRSTCTL_TXFFLSH;
while((USB_OTG_FS->GRSTCTL & USB_OTG_GRSTCTL_TXFFLSH_Msk) != 0);
} else {
// Asserting GONAK is required to STALL an OUT endpoint.
// Simpler to use polling here, we don't use the "B"OUTNAKEFF interrupt
// anyway, and it can't be cleared by user code. If this while loop never
// finishes, we have bigger problems than just the stack.
dev->DCTL |= USB_OTG_DCTL_SGONAK;
while((USB_OTG_FS->GINTSTS & USB_OTG_GINTSTS_BOUTNAKEFF_Msk) == 0);
// Only disable currently enabled non-control endpoint
if ( (epnum == 0) || !(out_ep[epnum].DOEPCTL & USB_OTG_DOEPCTL_EPENA) ){
out_ep[epnum].DOEPCTL |= USB_OTG_DIEPCTL_STALL;
}else {
// Asserting GONAK is required to STALL an OUT endpoint.
// Simpler to use polling here, we don't use the "B"OUTNAKEFF interrupt
// anyway, and it can't be cleared by user code. If this while loop never
// finishes, we have bigger problems than just the stack.
dev->DCTL |= USB_OTG_DCTL_SGONAK;
while((USB_OTG_FS->GINTSTS & USB_OTG_GINTSTS_BOUTNAKEFF_Msk) == 0);
// Ditto here- disable the endpoint. Note that only STALL and not SNAK
// is set here.
out_ep[epnum].DOEPCTL |= (USB_OTG_DOEPCTL_STALL | USB_OTG_DOEPCTL_EPDIS);
while((out_ep[epnum].DOEPINT & USB_OTG_DOEPINT_EPDISD_Msk) == 0);
out_ep[epnum].DOEPINT = USB_OTG_DOEPINT_EPDISD;
// Ditto here- disable the endpoint. Note that only STALL and not SNAK
// is set here.
out_ep[epnum].DOEPCTL |= (USB_OTG_DOEPCTL_STALL | USB_OTG_DOEPCTL_EPDIS);
while((out_ep[epnum].DOEPINT & USB_OTG_DOEPINT_EPDISD_Msk) == 0);
out_ep[epnum].DOEPINT = USB_OTG_DOEPINT_EPDISD;
// Allow other OUT endpoints to keep receiving.
dev->DCTL |= USB_OTG_DCTL_CGONAK;
// Allow other OUT endpoints to keep receiving.
dev->DCTL |= USB_OTG_DCTL_CGONAK;
}
}
}

69
src/portable/st/stm32f4/hal_stm32f4.c
View File

@@ -1,69 +0,0 @@
/**************************************************************************/
/*!
@file hal_nrf5x.c
@author hathach
@section LICENSE
Software License Agreement (BSD License)
Copyright (c) 2018, hathach (tinyusb.org)
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. Neither the name of the copyright holders nor the
names of its contributors may be used to endorse or promote products
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
This file is part of the tinyusb stack.
*/
/**************************************************************************/
#include "tusb_option.h"
#if TUSB_OPT_DEVICE_ENABLED && CFG_TUSB_MCU == OPT_MCU_STM32F4
#include "stm32f4xx.h"
#include "tusb_hal.h"
/*------------------------------------------------------------------*/
/* TUSB HAL
*------------------------------------------------------------------*/
bool tusb_hal_init(void)
{
tusb_hal_int_enable(0);
return true;
}
void tusb_hal_int_enable(uint8_t rhport)
{
(void) rhport;
NVIC_EnableIRQ(OTG_FS_IRQn);
}
void tusb_hal_int_disable(uint8_t rhport)
{
(void) rhport;
NVIC_DisableIRQ(OTG_FS_IRQn);
}
#endif