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stm32_otg_platform.h
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/*
* _______ _ _ _____ ____
* |__ __| | | | |/ ____| _ \
* | | ___ ___ _ __ _ _| | | | (___ | |_) |
* | |/ _ \/ _ \ '_ \| | | | | | |\___ \| _ <
* | | __/ __/ | | | |_| | |__| |____) | |_) |
* |_|\___|\___|_| |_|\__, |\____/|_____/|____/
* __/ |
* |___/
*
* TeenyUSB - light weight usb stack for STM32 micro controllers
*
* Copyright (c) 2019 XToolBox - admin@xtoolbox.org
* www.tusb.org
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
// teeny usb platform header for STM32F7 device
#ifndef __STM32_OTG_PLATFORM_H__
#define __STM32_OTG_PLATFORM_H__
#include "tusb_def.h"
#define PCD_ENDP0 ((uint8_t)0)
#define PCD_ENDP1 ((uint8_t)1)
#define PCD_ENDP2 ((uint8_t)2)
#define PCD_ENDP3 ((uint8_t)3)
#define PCD_ENDP4 ((uint8_t)4)
#define PCD_ENDP5 ((uint8_t)5)
#define PCD_ENDP6 ((uint8_t)6)
#define PCD_ENDP7 ((uint8_t)7)
#define PCD_ENDP8 ((uint8_t)8)
#define PCD_ENDP9 ((uint8_t)9)
#define USB_EP_CONTROL USBD_EP_TYPE_CTRL
#define USB_EP_ISOCHRONOUS USBD_EP_TYPE_ISOC
#define USB_EP_BULK USBD_EP_TYPE_BULK
#define USB_EP_INTERRUPT USBD_EP_TYPE_INTR
#if defined(STM32F1)
#define USB_OTG_FS_MAX_EP_NUM 4
#define USB_OTG_FS_MAX_CH_NUM 8
#define USB_OTG_HS_MAX_EP_NUM 0
#define USB_OTG_HS_MAX_CH_NUM 0
#define MAX_HC_NUM 8
#elif defined(STM32F4) || defined(STM32F2)
#define USB_OTG_FS_MAX_EP_NUM 4
#define USB_OTG_HS_MAX_EP_NUM 6
#define USB_OTG_FS_MAX_CH_NUM 8
#define USB_OTG_HS_MAX_CH_NUM 12
#define MAX_HC_NUM 12
#elif defined(STM32F7)
#define USB_OTG_FS_MAX_EP_NUM 6
#define USB_OTG_HS_MAX_EP_NUM 9
#define USB_OTG_FS_MAX_CH_NUM 12
#define USB_OTG_HS_MAX_CH_NUM 16
#define MAX_HC_NUM 16
#elif defined(STM32H7)
#define USB_OTG_FS_MAX_EP_NUM 9
#define USB_OTG_HS_MAX_EP_NUM 9
#define USB_OTG_FS_MAX_CH_NUM 16
#define USB_OTG_HS_MAX_CH_NUM 16
#define MAX_HC_NUM 16
#define GPIO_AF10_OTG_FS GPIO_AF10_OTG1_FS
#define GPIO_AF10_OTG_HS GPIO_AF10_OTG2_HS
#else
#error unsupport chip
#endif
#if defined(USB_OTG_FS) && defined(USB_OTG_HS)
#define USB_CORE_HANDLE_TYPE PCD_TypeDef*
#define GetUSB(dev) ((dev)->handle)
#define SetUSB(dev, usbx) do{ (dev)->handle = usbx; }while(0)
#else
#if defined(USB_OTG_FS)
#define GetUSB(dev) USB_OTG_FS
#define SetUSB(dev, usbx)
#elif defined(USB_OTG_HS)
#define GetUSB(dev) USB_OTG_HS
#define SetUSB(dev, usbx)
#else
#error neither otg_hs or otg_fs
#endif
#endif
#define USBx_BASE ((uint32_t)USBx)
#if defined (NEED_MAX_PACKET)
#undef NEED_MAX_PACKET
#endif
#define GetInMaxPacket(dev, EPn) get_max_in_packet_size(GetUSB(dev), EPn)
#define GetOutMaxPacket(dev, EPn) get_max_out_packet_size(GetUSB(dev), EPn)
void flush_rx(USB_OTG_GlobalTypeDef *USBx);
void flush_tx(USB_OTG_GlobalTypeDef *USBx, uint32_t num);
#define init_ep_tx(dev, EPn, type, mps) \
do{ \
PCD_TypeDef *USBx = GetUSB(dev); \
uint32_t maxpacket = mps; \
USB_OTG_INEndpointTypeDef* INEp = USBx_INEP(EPn); \
if(USBx == USB_OTG_FS && EPn == 0){ \
maxpacket = __CLZ(maxpacket) - 25; \
} \
USBx_DEVICE->DAINTMSK |= ( (USB_OTG_DAINTMSK_IEPM) & ( (1 << (EPn))) ); \
if (((INEp->DIEPCTL) & USB_OTG_DIEPCTL_USBAEP) == 0U) \
INEp->DIEPCTL |= ((maxpacket & USB_OTG_DIEPCTL_MPSIZ ) | (type << 18 ) | \
((EPn) << 22 ) | (USB_OTG_DIEPCTL_SD0PID_SEVNFRM) | (USB_OTG_DIEPCTL_USBAEP)); \
}while(0)
#define init_ep_rx(dev, EPn, type, mps) \
do{ \
PCD_TypeDef *USBx = GetUSB(dev); \
uint32_t maxpacket = mps; \
if(EPn == 0){ \
maxpacket = __CLZ(maxpacket) - 25; \
} \
USBx_DEVICE->DAINTMSK |= ( (USB_OTG_DAINTMSK_OEPM) & ( (1 << (EPn))<<16 ) ); \
if (((USBx_OUTEP(EPn)->DOEPCTL) & USB_OTG_DOEPCTL_USBAEP) == 0U) \
USBx_OUTEP(EPn)->DOEPCTL |= ((maxpacket & USB_OTG_DOEPCTL_MPSIZ ) | (type << 18 ) | \
(USB_OTG_DOEPCTL_SD0PID_SEVNFRM) | (USB_OTG_DIEPCTL_USBAEP)); \
}while(0)
#define INIT_EP_Tx(dev, bEpNum, type, maxpacket) \
do{\
init_ep_tx(dev, bEpNum, type, maxpacket);\
}while(0)
#define INIT_EP_Rx(dev, bEpNum, type, maxpacket) \
do{\
init_ep_rx(dev, bEpNum, type, maxpacket);\
}while(0)
// In OTG core, a fifo is used to handle the rx/tx data, all rx ep share a same fifo, each tx ep has a fifo
#define SET_TX_FIFO(dev, bEpNum, addr, size) \
do{\
if(bEpNum == 0){\
GetUSB(dev)->DIEPTXF0_HNPTXFSIZ = (uint32_t)(((uint32_t)( (size)/4) << 16) | ( (addr)/4));\
}else{\
/*avoid the compiler warning */\
GetUSB(dev)->DIEPTXF[bEpNum==0?0: bEpNum- 1] = (uint32_t)(((uint32_t)( (size)/4) << 16) | ( (addr)/4));\
}\
}while(0)
#define SET_RX_FIFO(dev, addr, size) \
do{\
GetUSB(dev)->GRXFSIZ = (size/4);\
}while(0)
#endif