Merge pull request #119 from spectaclelabs/USBDevice-STM32F4

Add initial USB Device support for STM32F4
pull/124/head
Bogdan Marinescu 2013-12-05 04:50:44 -08:00
commit fa451a0f0a
5 changed files with 618 additions and 1 deletions

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@ -43,6 +43,8 @@ typedef enum {
#include "USBEndpoints_LPC11U.h"
#elif defined(TARGET_KL25Z)
#include "USBEndpoints_KL25Z.h"
#elif defined (TARGET_STM32F4XX)
#include "USBEndpoints_STM32F4.h"
#else
#error "Unknown target type"
#endif

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@ -0,0 +1,61 @@
/* Copyright (c) 2010-2011 mbed.org, MIT License
*
* 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.
*/
#define NUMBER_OF_LOGICAL_ENDPOINTS (4)
#define NUMBER_OF_PHYSICAL_ENDPOINTS (NUMBER_OF_LOGICAL_ENDPOINTS * 2)
/* Define physical endpoint numbers */
/* Endpoint No. Type(s) MaxPacket DoubleBuffer */
/* ---------------- ------------ ---------- --- */
#define EP0OUT (0) /* Control 64 No */
#define EP0IN (1) /* Control 64 No */
#define EP1OUT (2) /* Int/Bulk/Iso 64/64/1023 Yes */
#define EP1IN (3) /* Int/Bulk/Iso 64/64/1023 Yes */
#define EP2OUT (4) /* Int/Bulk/Iso 64/64/1023 Yes */
#define EP2IN (5) /* Int/Bulk/Iso 64/64/1023 Yes */
#define EP3OUT (6) /* Int/Bulk/Iso 64/64/1023 Yes */
#define EP3IN (7) /* Int/Bulk/Iso 64/64/1023 Yes */
/* Maximum Packet sizes */
#define MAX_PACKET_SIZE_EP0 (64)
#define MAX_PACKET_SIZE_EP1 (64) /* Int/Bulk */
#define MAX_PACKET_SIZE_EP2 (64) /* Int/Bulk */
#define MAX_PACKET_SIZE_EP3 (64) /* Int/Bulk */
#define MAX_PACKET_SIZE_EP1_ISO (1023) /* Isochronous */
#define MAX_PACKET_SIZE_EP2_ISO (1023) /* Isochronous */
#define MAX_PACKET_SIZE_EP3_ISO (1023) /* Isochronous */
/* Generic endpoints - intended to be portable accross devices */
/* and be suitable for simple USB devices. */
/* Bulk endpoint */
#define EPBULK_OUT (EP2OUT)
#define EPBULK_IN (EP2IN)
/* Interrupt endpoint */
#define EPINT_OUT (EP1OUT)
#define EPINT_IN (EP1IN)
/* Isochronous endpoint */
#define EPISO_OUT (EP3OUT)
#define EPISO_IN (EP3IN)
#define MAX_PACKET_SIZE_EPBULK (MAX_PACKET_SIZE_EP2)
#define MAX_PACKET_SIZE_EPINT (MAX_PACKET_SIZE_EP1)
#define MAX_PACKET_SIZE_EPISO (MAX_PACKET_SIZE_EP3_ISO)

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@ -74,9 +74,9 @@ protected:
virtual bool EP2_IN_callback(){return false;};
virtual bool EP3_OUT_callback(){return false;};
virtual bool EP3_IN_callback(){return false;};
#if !defined(TARGET_STM32F4)
virtual bool EP4_OUT_callback(){return false;};
virtual bool EP4_IN_callback(){return false;};
#if !defined(TARGET_LPC11U24)
virtual bool EP5_OUT_callback(){return false;};
virtual bool EP5_IN_callback(){return false;};
@ -101,6 +101,7 @@ protected:
virtual bool EP15_OUT_callback(){return false;};
virtual bool EP15_IN_callback(){return false;};
#endif
#endif
private:
void usbisr(void);
@ -109,6 +110,8 @@ private:
#if defined(TARGET_LPC11U24)
bool (USBHAL::*epCallback[10 - 2])(void);
#elif defined(TARGET_STM32F4XX)
bool (USBHAL::*epCallback[8 - 2])(void);
#else
bool (USBHAL::*epCallback[32 - 2])(void);
#endif

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@ -0,0 +1,402 @@
/* Copyright (c) 2010-2011 mbed.org, MIT License
*
* 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.
*/
#if defined(TARGET_STM32F4XX)
#include "USBHAL.h"
#include "USBRegs_STM32.h"
#include "pinmap.h"
USBHAL * USBHAL::instance;
static volatile int epComplete = 0;
static uint32_t bufferEnd = 0;
static const uint32_t rxFifoSize = 512;
static uint32_t rxFifoCount = 0;
static uint32_t setupBuffer[MAX_PACKET_SIZE_EP0 >> 2];
uint32_t USBHAL::endpointReadcore(uint8_t endpoint, uint8_t *buffer) {
return 0;
}
USBHAL::USBHAL(void) {
NVIC_DisableIRQ(OTG_FS_IRQn);
epCallback[0] = &USBHAL::EP1_OUT_callback;
epCallback[1] = &USBHAL::EP1_IN_callback;
epCallback[2] = &USBHAL::EP2_OUT_callback;
epCallback[3] = &USBHAL::EP2_IN_callback;
epCallback[4] = &USBHAL::EP3_OUT_callback;
epCallback[5] = &USBHAL::EP3_IN_callback;
// Enable power and clocking
RCC->AHB1ENR |= RCC_AHB1ENR_GPIOAEN;
pin_function(PA_8, STM_PIN_DATA(2, 10));
pin_function(PA_9, STM_PIN_DATA(0, 0));
pin_function(PA_10, STM_PIN_DATA(2, 10));
pin_function(PA_11, STM_PIN_DATA(2, 10));
pin_function(PA_12, STM_PIN_DATA(2, 10));
// Set ID pin to open drain with pull-up resistor
pin_mode(PA_10, OpenDrain);
GPIOA->PUPDR &= ~(0x3 << 20);
GPIOA->PUPDR |= 1 << 20;
// Set VBUS pin to open drain
pin_mode(PA_9, OpenDrain);
RCC->AHB2ENR |= RCC_AHB2ENR_OTGFSEN;
// Enable interrupts
OTG_FS->GREGS.GAHBCFG |= (1 << 0);
// Turnaround time to maximum value - too small causes packet loss
OTG_FS->GREGS.GUSBCFG |= (0xF << 10);
// Unmask global interrupts
OTG_FS->GREGS.GINTMSK |= (1 << 3) | // SOF
(1 << 4) | // RX FIFO not empty
(1 << 12); // USB reset
OTG_FS->DREGS.DCFG |= (0x3 << 0) | // Full speed
(1 << 2); // Non-zero-length status OUT handshake
OTG_FS->GREGS.GCCFG |= (1 << 19) | // Enable VBUS sensing
(1 << 16); // Power Up
instance = this;
NVIC_SetVector(OTG_FS_IRQn, (uint32_t)&_usbisr);
NVIC_SetPriority(OTG_FS_IRQn, 1);
}
USBHAL::~USBHAL(void) {
}
void USBHAL::connect(void) {
NVIC_EnableIRQ(OTG_FS_IRQn);
}
void USBHAL::disconnect(void) {
NVIC_DisableIRQ(OTG_FS_IRQn);
}
void USBHAL::configureDevice(void) {
// Not needed
}
void USBHAL::unconfigureDevice(void) {
// Not needed
}
void USBHAL::setAddress(uint8_t address) {
OTG_FS->DREGS.DCFG |= (address << 4);
EP0write(0, 0);
}
bool USBHAL::realiseEndpoint(uint8_t endpoint, uint32_t maxPacket,
uint32_t flags) {
uint32_t epIndex = endpoint >> 1;
uint32_t type;
switch (endpoint) {
case EP0IN:
case EP0OUT:
type = 0;
break;
case EPISO_IN:
case EPISO_OUT:
type = 1;
case EPBULK_IN:
case EPBULK_OUT:
type = 2;
break;
case EPINT_IN:
case EPINT_OUT:
type = 3;
break;
}
// Generic in or out EP controls
uint32_t control = (maxPacket << 0) | // Packet size
(1 << 15) | // Active endpoint
(type << 18); // Endpoint type
if (endpoint & 0x1) { // In Endpoint
// Set up the Tx FIFO
if (endpoint == EP0IN) {
OTG_FS->GREGS.DIEPTXF0_HNPTXFSIZ = ((maxPacket >> 2) << 16) |
(bufferEnd << 0);
}
else {
OTG_FS->GREGS.DIEPTXF[epIndex - 1] = ((maxPacket >> 2) << 16) |
(bufferEnd << 0);
}
bufferEnd += maxPacket >> 2;
// Set the In EP specific control settings
if (endpoint != EP0IN) {
control |= (1 << 28); // SD0PID
}
control |= (epIndex << 22) | // TxFIFO index
(1 << 27); // SNAK
OTG_FS->INEP_REGS[epIndex].DIEPCTL = control;
// Unmask the interrupt
OTG_FS->DREGS.DAINTMSK |= (1 << epIndex);
}
else { // Out endpoint
// Set the out EP specific control settings
control |= (1 << 26); // CNAK
OTG_FS->OUTEP_REGS[epIndex].DOEPCTL = control;
// Unmask the interrupt
OTG_FS->DREGS.DAINTMSK |= (1 << (epIndex + 16));
}
return true;
}
// read setup packet
void USBHAL::EP0setup(uint8_t *buffer) {
memcpy(buffer, setupBuffer, MAX_PACKET_SIZE_EP0);
}
void USBHAL::EP0readStage(void) {
}
void USBHAL::EP0read(void) {
}
uint32_t USBHAL::EP0getReadResult(uint8_t *buffer) {
uint32_t* buffer32 = (uint32_t *) buffer;
uint32_t length = rxFifoCount;
for (uint32_t i = 0; i < length; i += 4) {
buffer32[i >> 2] = OTG_FS->FIFO[0][0];
}
rxFifoCount = 0;
return length;
}
void USBHAL::EP0write(uint8_t *buffer, uint32_t size) {
endpointWrite(0, buffer, size);
}
void USBHAL::EP0getWriteResult(void) {
}
void USBHAL::EP0stall(void) {
// If we stall the out endpoint here then we have problems transferring
// and setup requests after the (stalled) get device qualifier requests.
// TODO: Find out if this is correct behavior, or whether we are doing
// something else wrong
stallEndpoint(EP0IN);
// stallEndpoint(EP0OUT);
}
EP_STATUS USBHAL::endpointRead(uint8_t endpoint, uint32_t maximumSize) {
uint32_t epIndex = endpoint >> 1;
uint32_t size = (1 << 19) | // 1 packet
(maximumSize << 0); // Packet size
// if (endpoint == EP0OUT) {
size |= (1 << 29); // 1 setup packet
// }
OTG_FS->OUTEP_REGS[epIndex].DOEPTSIZ = size;
OTG_FS->OUTEP_REGS[epIndex].DOEPCTL |= (1 << 31) | // Enable endpoint
(1 << 26); // Clear NAK
epComplete &= ~(1 << endpoint);
return EP_PENDING;
}
EP_STATUS USBHAL::endpointReadResult(uint8_t endpoint, uint8_t * buffer, uint32_t *bytesRead) {
if (!(epComplete & (1 << endpoint))) {
return EP_PENDING;
}
uint32_t* buffer32 = (uint32_t *) buffer;
uint32_t length = rxFifoCount;
for (uint32_t i = 0; i < length; i += 4) {
buffer32[i >> 2] = OTG_FS->FIFO[endpoint >> 1][0];
}
rxFifoCount = 0;
*bytesRead = length;
return EP_COMPLETED;
}
EP_STATUS USBHAL::endpointWrite(uint8_t endpoint, uint8_t *data, uint32_t size) {
uint32_t epIndex = endpoint >> 1;
OTG_FS->INEP_REGS[epIndex].DIEPTSIZ = (1 << 19) | // 1 packet
(size << 0); // Size of packet
OTG_FS->INEP_REGS[epIndex].DIEPCTL |= (1 << 31) | // Enable endpoint
(1 << 26); // CNAK
OTG_FS->DREGS.DIEPEMPMSK = (1 << epIndex);
while ((OTG_FS->INEP_REGS[epIndex].DTXFSTS & 0XFFFF) < ((size + 3) >> 2));
for (uint32_t i=0; i<(size + 3) >> 2; i++, data+=4) {
OTG_FS->FIFO[epIndex][0] = *(uint32_t *)data;
}
epComplete &= ~(1 << endpoint);
return EP_PENDING;
}
EP_STATUS USBHAL::endpointWriteResult(uint8_t endpoint) {
if (epComplete & (1 << endpoint)) {
epComplete &= ~(1 << endpoint);
return EP_COMPLETED;
}
return EP_PENDING;
}
void USBHAL::stallEndpoint(uint8_t endpoint) {
if (endpoint & 0x1) { // In EP
OTG_FS->INEP_REGS[endpoint >> 1].DIEPCTL |= (1 << 30) | // Disable
(1 << 21); // Stall
}
else { // Out EP
OTG_FS->DREGS.DCTL |= (1 << 9); // Set global out NAK
OTG_FS->OUTEP_REGS[endpoint >> 1].DOEPCTL |= (1 << 30) | // Disable
(1 << 21); // Stall
}
}
void USBHAL::unstallEndpoint(uint8_t endpoint) {
}
bool USBHAL::getEndpointStallState(uint8_t endpoint) {
return false;
}
void USBHAL::remoteWakeup(void) {
}
void USBHAL::_usbisr(void) {
instance->usbisr();
}
void USBHAL::usbisr(void) {
if (OTG_FS->GREGS.GINTSTS & (1 << 12)) { // USB Reset
// Set SNAK bits
OTG_FS->OUTEP_REGS[0].DOEPCTL |= (1 << 27);
OTG_FS->OUTEP_REGS[1].DOEPCTL |= (1 << 27);
OTG_FS->OUTEP_REGS[2].DOEPCTL |= (1 << 27);
OTG_FS->OUTEP_REGS[3].DOEPCTL |= (1 << 27);
OTG_FS->DREGS.DIEPMSK = (1 << 0);
bufferEnd = 0;
// Set the receive FIFO size
OTG_FS->GREGS.GRXFSIZ = rxFifoSize >> 2;
bufferEnd += rxFifoSize >> 2;
// Create the endpoints, and wait for setup packets on out EP0
realiseEndpoint(EP0IN, MAX_PACKET_SIZE_EP0, 0);
realiseEndpoint(EP0OUT, MAX_PACKET_SIZE_EP0, 0);
endpointRead(EP0OUT, MAX_PACKET_SIZE_EP0);
OTG_FS->GREGS.GINTSTS = (1 << 12);
}
if (OTG_FS->GREGS.GINTSTS & (1 << 4)) { // RX FIFO not empty
uint32_t status = OTG_FS->GREGS.GRXSTSP;
uint32_t endpoint = (status & 0xF) << 1;
uint32_t length = (status >> 4) & 0x7FF;
uint32_t type = (status >> 17) & 0xF;
rxFifoCount = length;
if (type == 0x6) {
// Setup packet
for (uint32_t i=0; i<length; i+=4) {
setupBuffer[i >> 2] = OTG_FS->FIFO[0][i >> 2];
}
rxFifoCount = 0;
}
if (type == 0x4) {
// Setup complete
EP0setupCallback();
endpointRead(EP0OUT, MAX_PACKET_SIZE_EP0);
}
if (type == 0x2) {
// Out packet
if (endpoint == EP0OUT) {
EP0out();
}
else {
epComplete |= (1 << endpoint);
if ((instance->*(epCallback[endpoint - 2]))()) {
epComplete &= (1 << endpoint);
}
}
}
for (uint32_t i=0; i<rxFifoCount; i+=4) {
(void) OTG_FS->FIFO[0][0];
}
OTG_FS->GREGS.GINTSTS = (1 << 4);
}
if (OTG_FS->GREGS.GINTSTS & (1 << 18)) { // In endpoint interrupt
// Loop through the in endpoints
for (uint32_t i=0; i<4; i++) {
if (OTG_FS->DREGS.DAINT & (1 << i)) { // Interrupt is on endpoint
if (OTG_FS->INEP_REGS[i].DIEPINT & (1 << 7)) {// Tx FIFO empty
// If the Tx FIFO is empty on EP0 we need to send a further
// packet, so call EP0in()
if (i == 0) {
EP0in();
}
// Clear the interrupt
OTG_FS->INEP_REGS[i].DIEPINT = (1 << 7);
// Stop firing Tx empty interrupts
// Will get turned on again if another write is called
OTG_FS->DREGS.DIEPEMPMSK &= ~(1 << i);
}
// If the transfer is complete
if (OTG_FS->INEP_REGS[i].DIEPINT & (1 << 0)) { // Tx Complete
epComplete |= (1 << (1 + (i << 1)));
OTG_FS->INEP_REGS[i].DIEPINT = (1 << 0);
}
}
}
OTG_FS->GREGS.GINTSTS = (1 << 18);
}
if (OTG_FS->GREGS.GINTSTS & (1 << 3)) { // Start of frame
SOF((OTG_FS->GREGS.GRXSTSR >> 17) & 0xF);
OTG_FS->GREGS.GINTSTS = (1 << 3);
}
}
#endif

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@ -0,0 +1,149 @@
/**
******************************************************************************
* @file usb_regs.h
* @author MCD Application Team
* @version V2.1.0
* @date 19-March-2012
* @brief hardware registers
******************************************************************************
* @attention
*
* <h2><center>&copy; COPYRIGHT 2012 STMicroelectronics</center></h2>
*
* Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
* You may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.st.com/software_license_agreement_liberty_v2
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
******************************************************************************
*/
#ifndef __USB_OTG_REGS_H__
#define __USB_OTG_REGS_H__
typedef struct //000h
{
__IO uint32_t GOTGCTL; /* USB_OTG Control and Status Register 000h*/
__IO uint32_t GOTGINT; /* USB_OTG Interrupt Register 004h*/
__IO uint32_t GAHBCFG; /* Core AHB Configuration Register 008h*/
__IO uint32_t GUSBCFG; /* Core USB Configuration Register 00Ch*/
__IO uint32_t GRSTCTL; /* Core Reset Register 010h*/
__IO uint32_t GINTSTS; /* Core Interrupt Register 014h*/
__IO uint32_t GINTMSK; /* Core Interrupt Mask Register 018h*/
__IO uint32_t GRXSTSR; /* Receive Sts Q Read Register 01Ch*/
__IO uint32_t GRXSTSP; /* Receive Sts Q Read & POP Register 020h*/
__IO uint32_t GRXFSIZ; /* Receive FIFO Size Register 024h*/
__IO uint32_t DIEPTXF0_HNPTXFSIZ; /* EP0 / Non Periodic Tx FIFO Size Register 028h*/
__IO uint32_t HNPTXSTS; /* Non Periodic Tx FIFO/Queue Sts reg 02Ch*/
uint32_t Reserved30[2]; /* Reserved 030h*/
__IO uint32_t GCCFG; /* General Purpose IO Register 038h*/
__IO uint32_t CID; /* User ID Register 03Ch*/
uint32_t Reserved40[48]; /* Reserved 040h-0FFh*/
__IO uint32_t HPTXFSIZ; /* Host Periodic Tx FIFO Size Reg 100h*/
__IO uint32_t DIEPTXF[3];/* dev Periodic Transmit FIFO */
}
USB_OTG_GREGS;
typedef struct // 800h
{
__IO uint32_t DCFG; /* dev Configuration Register 800h*/
__IO uint32_t DCTL; /* dev Control Register 804h*/
__IO uint32_t DSTS; /* dev Status Register (RO) 808h*/
uint32_t Reserved0C; /* Reserved 80Ch*/
__IO uint32_t DIEPMSK; /* dev IN Endpoint Mask 810h*/
__IO uint32_t DOEPMSK; /* dev OUT Endpoint Mask 814h*/
__IO uint32_t DAINT; /* dev All Endpoints Itr Reg 818h*/
__IO uint32_t DAINTMSK; /* dev All Endpoints Itr Mask 81Ch*/
uint32_t Reserved20; /* Reserved 820h*/
uint32_t Reserved9; /* Reserved 824h*/
__IO uint32_t DVBUSDIS; /* dev VBUS discharge Register 828h*/
__IO uint32_t DVBUSPULSE; /* dev VBUS Pulse Register 82Ch*/
__IO uint32_t DTHRCTL; /* dev thr 830h*/
__IO uint32_t DIEPEMPMSK; /* dev empty msk 834h*/
}
USB_OTG_DREGS;
typedef struct
{
__IO uint32_t DIEPCTL; /* dev IN Endpoint Control Reg 900h + (ep_num * 20h) + 00h*/
uint32_t Reserved04; /* Reserved 900h + (ep_num * 20h) + 04h*/
__IO uint32_t DIEPINT; /* dev IN Endpoint Itr Reg 900h + (ep_num * 20h) + 08h*/
uint32_t Reserved0C; /* Reserved 900h + (ep_num * 20h) + 0Ch*/
__IO uint32_t DIEPTSIZ; /* IN Endpoint Txfer Size 900h + (ep_num * 20h) + 10h*/
uint32_t Reserved14;
__IO uint32_t DTXFSTS;/*IN Endpoint Tx FIFO Status Reg 900h + (ep_num * 20h) + 18h*/
uint32_t Reserved1C; /* Reserved 900h+(ep_num*20h)+1Ch-900h+ (ep_num * 20h) + 1Ch*/
}
USB_OTG_INEPREGS;
typedef struct
{
__IO uint32_t DOEPCTL; /* dev OUT Endpoint Control Reg B00h + (ep_num * 20h) + 00h*/
uint32_t Reserved04; /* Reserved B00h + (ep_num * 20h) + 04h*/
__IO uint32_t DOEPINT; /* dev OUT Endpoint Itr Reg B00h + (ep_num * 20h) + 08h*/
uint32_t Reserved0C; /* Reserved B00h + (ep_num * 20h) + 0Ch*/
__IO uint32_t DOEPTSIZ; /* dev OUT Endpoint Txfer Size B00h + (ep_num * 20h) + 10h*/
uint32_t Reserved14[3];
}
USB_OTG_OUTEPREGS;
typedef struct
{
__IO uint32_t HCFG; /* Host Configuration Register 400h*/
__IO uint32_t HFIR; /* Host Frame Interval Register 404h*/
__IO uint32_t HFNUM; /* Host Frame Nbr/Frame Remaining 408h*/
uint32_t Reserved40C; /* Reserved 40Ch*/
__IO uint32_t HPTXSTS; /* Host Periodic Tx FIFO/ Queue Status 410h*/
__IO uint32_t HAINT; /* Host All Channels Interrupt Register 414h*/
__IO uint32_t HAINTMSK; /* Host All Channels Interrupt Mask 418h*/
}
USB_OTG_HREGS;
typedef struct
{
__IO uint32_t HCCHAR;
__IO uint32_t HCSPLT;
__IO uint32_t HCINT;
__IO uint32_t HCINTMSK;
__IO uint32_t HCTSIZ;
uint32_t Reserved[3];
}
USB_OTG_HC_REGS;
typedef struct
{
USB_OTG_GREGS GREGS;
uint32_t RESERVED0[188];
USB_OTG_HREGS HREGS;
uint32_t RESERVED1[9];
__IO uint32_t HPRT;
uint32_t RESERVED2[47];
USB_OTG_HC_REGS HC_REGS[8];
uint32_t RESERVED3[128];
USB_OTG_DREGS DREGS;
uint32_t RESERVED4[50];
USB_OTG_INEPREGS INEP_REGS[4];
uint32_t RESERVED5[96];
USB_OTG_OUTEPREGS OUTEP_REGS[4];
uint32_t RESERVED6[160];
__IO uint32_t PCGCCTL;
uint32_t RESERVED7[127];
__IO uint32_t FIFO[4][1024];
}
USB_OTG_CORE_REGS;
#define OTG_FS_BASE (AHB2PERIPH_BASE + 0x0000)
#define OTG_FS ((USB_OTG_CORE_REGS *) OTG_FS_BASE)
#endif //__USB_OTG_REGS_H__
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/