mbed official / USBHost

USBHost library. NOTE: This library is only officially supported on the LPC1768 platform. For more information, please see the handbook page.

Dependencies:   FATFileSystem mbed-rtos

Dependents:   BTstack WallbotWii SD to Flash Data Transfer USBHost-MSD_HelloWorld ... more

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This is an mbed 2 library. To learn more about mbed OS 5, visit the docs.

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targets/TARGET_RENESAS/USBHALHost_RZ_A1.cpp@40:7c3b59bb364e, 2017-08-17 (annotated)

Committer:
Anna Bridge
Date:
Thu Aug 17 18:12:22 2017 +0100
Revision:
40:7c3b59bb364e
Parent:
39:d96aa62afc5b 
DISCO_L475VG_IOT01A: Add support of USBHost

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Kojto 39:d96aa62afc5b 1 /* mbed USBHost Library
Kojto 39:d96aa62afc5b 2 * Copyright (c) 2006-2013 ARM Limited
Kojto 39:d96aa62afc5b 3 *
Kojto 39:d96aa62afc5b 4 * Licensed under the Apache License, Version 2.0 (the "License");
Kojto 39:d96aa62afc5b 5 * you may not use this file except in compliance with the License.
Kojto 39:d96aa62afc5b 6 * You may obtain a copy of the License at
Kojto 39:d96aa62afc5b 7 *
Kojto 39:d96aa62afc5b 8 * http://www.apache.org/licenses/LICENSE-2.0
Kojto 39:d96aa62afc5b 9 *
Kojto 39:d96aa62afc5b 10 * Unless required by applicable law or agreed to in writing, software
Kojto 39:d96aa62afc5b 11 * distributed under the License is distributed on an "AS IS" BASIS,
Kojto 39:d96aa62afc5b 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Kojto 39:d96aa62afc5b 13 * See the License for the specific language governing permissions and
Kojto 39:d96aa62afc5b 14 * limitations under the License.
Kojto 39:d96aa62afc5b 15 */
Kojto 39:d96aa62afc5b 16
Kojto 39:d96aa62afc5b 17 #if defined(TARGET_RZ_A1H) || defined(TARGET_VK_RZ_A1H)
Kojto 39:d96aa62afc5b 18
Kojto 39:d96aa62afc5b 19 #include "mbed.h"
Kojto 39:d96aa62afc5b 20 #include "USBHALHost.h"
Kojto 39:d96aa62afc5b 21 #include "dbg.h"
Kojto 39:d96aa62afc5b 22
Kojto 39:d96aa62afc5b 23 #include "ohci_wrapp_RZ_A1.h"
Kojto 39:d96aa62afc5b 24
Kojto 39:d96aa62afc5b 25
Kojto 39:d96aa62afc5b 26 #define HCCA_SIZE sizeof(HCCA)
Kojto 39:d96aa62afc5b 27 #define ED_SIZE sizeof(HCED)
Kojto 39:d96aa62afc5b 28 #define TD_SIZE sizeof(HCTD)
Kojto 39:d96aa62afc5b 29
Kojto 39:d96aa62afc5b 30 #define TOTAL_SIZE (HCCA_SIZE + (MAX_ENDPOINT*ED_SIZE) + (MAX_TD*TD_SIZE))
Kojto 39:d96aa62afc5b 31 #define ALIGNE_MSK (0x0000000F)
Kojto 39:d96aa62afc5b 32
Kojto 39:d96aa62afc5b 33 static volatile uint8_t usb_buf[TOTAL_SIZE + ALIGNE_MSK]; //16 bytes aligned!
Kojto 39:d96aa62afc5b 34
Kojto 39:d96aa62afc5b 35 USBHALHost * USBHALHost::instHost;
Kojto 39:d96aa62afc5b 36
Kojto 39:d96aa62afc5b 37 USBHALHost::USBHALHost() {
Kojto 39:d96aa62afc5b 38 instHost = this;
Kojto 39:d96aa62afc5b 39 memInit();
Kojto 39:d96aa62afc5b 40 memset((void*)usb_hcca, 0, HCCA_SIZE);
Kojto 39:d96aa62afc5b 41 for (int i = 0; i < MAX_ENDPOINT; i++) {
Kojto 39:d96aa62afc5b 42 edBufAlloc[i] = false;
Kojto 39:d96aa62afc5b 43 }
Kojto 39:d96aa62afc5b 44 for (int i = 0; i < MAX_TD; i++) {
Kojto 39:d96aa62afc5b 45 tdBufAlloc[i] = false;
Kojto 39:d96aa62afc5b 46 }
Kojto 39:d96aa62afc5b 47 }
Kojto 39:d96aa62afc5b 48
Kojto 39:d96aa62afc5b 49 void USBHALHost::init() {
Kojto 39:d96aa62afc5b 50 ohciwrapp_init(&_usbisr);
Kojto 39:d96aa62afc5b 51
Kojto 39:d96aa62afc5b 52 ohciwrapp_reg_w(OHCI_REG_CONTROL, 1); // HARDWARE RESET
Kojto 39:d96aa62afc5b 53 ohciwrapp_reg_w(OHCI_REG_CONTROLHEADED, 0); // Initialize Control list head to Zero
Kojto 39:d96aa62afc5b 54 ohciwrapp_reg_w(OHCI_REG_BULKHEADED, 0); // Initialize Bulk list head to Zero
Kojto 39:d96aa62afc5b 55
Kojto 39:d96aa62afc5b 56 // Wait 100 ms before apply reset
Kojto 39:d96aa62afc5b 57 wait_ms(100);
Kojto 39:d96aa62afc5b 58
Kojto 39:d96aa62afc5b 59 // software reset
Kojto 39:d96aa62afc5b 60 ohciwrapp_reg_w(OHCI_REG_COMMANDSTATUS, OR_CMD_STATUS_HCR);
Kojto 39:d96aa62afc5b 61
Kojto 39:d96aa62afc5b 62 // Write Fm Interval and Largest Data Packet Counter
Kojto 39:d96aa62afc5b 63 ohciwrapp_reg_w(OHCI_REG_FMINTERVAL, DEFAULT_FMINTERVAL);
Kojto 39:d96aa62afc5b 64 ohciwrapp_reg_w(OHCI_REG_PERIODICSTART, FI * 90 / 100);
Kojto 39:d96aa62afc5b 65
Kojto 39:d96aa62afc5b 66 // Put HC in operational state
Kojto 39:d96aa62afc5b 67 ohciwrapp_reg_w(OHCI_REG_CONTROL, (ohciwrapp_reg_r(OHCI_REG_CONTROL) & (~OR_CONTROL_HCFS)) | OR_CONTROL_HC_OPER);
Kojto 39:d96aa62afc5b 68 // Set Global Power
Kojto 39:d96aa62afc5b 69 ohciwrapp_reg_w(OHCI_REG_RHSTATUS, OR_RH_STATUS_LPSC);
Kojto 39:d96aa62afc5b 70
Kojto 39:d96aa62afc5b 71 ohciwrapp_reg_w(OHCI_REG_HCCA, (uint32_t)(usb_hcca));
Kojto 39:d96aa62afc5b 72
Kojto 39:d96aa62afc5b 73 // Clear Interrrupt Status
Kojto 39:d96aa62afc5b 74 ohciwrapp_reg_w(OHCI_REG_INTERRUPTSTATUS, ohciwrapp_reg_r(OHCI_REG_INTERRUPTSTATUS));
Kojto 39:d96aa62afc5b 75
Kojto 39:d96aa62afc5b 76 ohciwrapp_reg_w(OHCI_REG_INTERRUPTENABLE, OR_INTR_ENABLE_MIE | OR_INTR_ENABLE_WDH | OR_INTR_ENABLE_RHSC);
Kojto 39:d96aa62afc5b 77
Kojto 39:d96aa62afc5b 78 // Enable the USB Interrupt
Kojto 39:d96aa62afc5b 79 ohciwrapp_reg_w(OHCI_REG_RHPORTSTATUS1, OR_RH_PORT_CSC);
Kojto 39:d96aa62afc5b 80 ohciwrapp_reg_w(OHCI_REG_RHPORTSTATUS1, OR_RH_PORT_PRSC);
Kojto 39:d96aa62afc5b 81
Kojto 39:d96aa62afc5b 82 // Check for any connected devices
Kojto 39:d96aa62afc5b 83 if (ohciwrapp_reg_r(OHCI_REG_RHPORTSTATUS1) & OR_RH_PORT_CCS) {
Kojto 39:d96aa62afc5b 84 //Device connected
Kojto 39:d96aa62afc5b 85 wait_ms(150);
Kojto 39:d96aa62afc5b 86 USB_DBG("Device connected (%08x)\n\r", ohciwrapp_reg_r(OHCI_REG_RHPORTSTATUS1));
Kojto 39:d96aa62afc5b 87 deviceConnected(0, 1, ohciwrapp_reg_r(OHCI_REG_RHPORTSTATUS1) & OR_RH_PORT_LSDA);
Kojto 39:d96aa62afc5b 88 }
Kojto 39:d96aa62afc5b 89 }
Kojto 39:d96aa62afc5b 90
Kojto 39:d96aa62afc5b 91 uint32_t USBHALHost::controlHeadED() {
Kojto 39:d96aa62afc5b 92 return ohciwrapp_reg_r(OHCI_REG_CONTROLHEADED);
Kojto 39:d96aa62afc5b 93 }
Kojto 39:d96aa62afc5b 94
Kojto 39:d96aa62afc5b 95 uint32_t USBHALHost::bulkHeadED() {
Kojto 39:d96aa62afc5b 96 return ohciwrapp_reg_r(OHCI_REG_BULKHEADED);
Kojto 39:d96aa62afc5b 97 }
Kojto 39:d96aa62afc5b 98
Kojto 39:d96aa62afc5b 99 uint32_t USBHALHost::interruptHeadED() {
Kojto 39:d96aa62afc5b 100 return usb_hcca->IntTable[0];
Kojto 39:d96aa62afc5b 101 }
Kojto 39:d96aa62afc5b 102
Kojto 39:d96aa62afc5b 103 void USBHALHost::updateBulkHeadED(uint32_t addr) {
Kojto 39:d96aa62afc5b 104 ohciwrapp_reg_w(OHCI_REG_BULKHEADED, addr);
Kojto 39:d96aa62afc5b 105 }
Kojto 39:d96aa62afc5b 106
Kojto 39:d96aa62afc5b 107
Kojto 39:d96aa62afc5b 108 void USBHALHost::updateControlHeadED(uint32_t addr) {
Kojto 39:d96aa62afc5b 109 ohciwrapp_reg_w(OHCI_REG_CONTROLHEADED, addr);
Kojto 39:d96aa62afc5b 110 }
Kojto 39:d96aa62afc5b 111
Kojto 39:d96aa62afc5b 112 void USBHALHost::updateInterruptHeadED(uint32_t addr) {
Kojto 39:d96aa62afc5b 113 usb_hcca->IntTable[0] = addr;
Kojto 39:d96aa62afc5b 114 }
Kojto 39:d96aa62afc5b 115
Kojto 39:d96aa62afc5b 116
Kojto 39:d96aa62afc5b 117 void USBHALHost::enableList(ENDPOINT_TYPE type) {
Kojto 39:d96aa62afc5b 118 uint32_t wk_data;
Kojto 39:d96aa62afc5b 119
Kojto 39:d96aa62afc5b 120 switch(type) {
Kojto 39:d96aa62afc5b 121 case CONTROL_ENDPOINT:
Kojto 39:d96aa62afc5b 122 ohciwrapp_reg_w(OHCI_REG_COMMANDSTATUS, OR_CMD_STATUS_CLF);
Kojto 39:d96aa62afc5b 123 wk_data = (ohciwrapp_reg_r(OHCI_REG_CONTROL) | OR_CONTROL_CLE);
Kojto 39:d96aa62afc5b 124 ohciwrapp_reg_w(OHCI_REG_CONTROL, wk_data);
Kojto 39:d96aa62afc5b 125 break;
Kojto 39:d96aa62afc5b 126 case ISOCHRONOUS_ENDPOINT:
Kojto 39:d96aa62afc5b 127 break;
Kojto 39:d96aa62afc5b 128 case BULK_ENDPOINT:
Kojto 39:d96aa62afc5b 129 ohciwrapp_reg_w(OHCI_REG_COMMANDSTATUS, OR_CMD_STATUS_BLF);
Kojto 39:d96aa62afc5b 130 wk_data = (ohciwrapp_reg_r(OHCI_REG_CONTROL) | OR_CONTROL_BLE);
Kojto 39:d96aa62afc5b 131 ohciwrapp_reg_w(OHCI_REG_CONTROL, wk_data);
Kojto 39:d96aa62afc5b 132 break;
Kojto 39:d96aa62afc5b 133 case INTERRUPT_ENDPOINT:
Kojto 39:d96aa62afc5b 134 wk_data = (ohciwrapp_reg_r(OHCI_REG_CONTROL) | OR_CONTROL_PLE);
Kojto 39:d96aa62afc5b 135 ohciwrapp_reg_w(OHCI_REG_CONTROL, wk_data);
Kojto 39:d96aa62afc5b 136 break;
Kojto 39:d96aa62afc5b 137 }
Kojto 39:d96aa62afc5b 138 }
Kojto 39:d96aa62afc5b 139
Kojto 39:d96aa62afc5b 140
Kojto 39:d96aa62afc5b 141 bool USBHALHost::disableList(ENDPOINT_TYPE type) {
Kojto 39:d96aa62afc5b 142 uint32_t wk_data;
Kojto 39:d96aa62afc5b 143
Kojto 39:d96aa62afc5b 144 switch(type) {
Kojto 39:d96aa62afc5b 145 case CONTROL_ENDPOINT:
Kojto 39:d96aa62afc5b 146 wk_data = ohciwrapp_reg_r(OHCI_REG_CONTROL);
Kojto 39:d96aa62afc5b 147 if(wk_data & OR_CONTROL_CLE) {
Kojto 39:d96aa62afc5b 148 wk_data &= ~OR_CONTROL_CLE;
Kojto 39:d96aa62afc5b 149 ohciwrapp_reg_w(OHCI_REG_CONTROL, wk_data);
Kojto 39:d96aa62afc5b 150 return true;
Kojto 39:d96aa62afc5b 151 }
Kojto 39:d96aa62afc5b 152 return false;
Kojto 39:d96aa62afc5b 153 case ISOCHRONOUS_ENDPOINT:
Kojto 39:d96aa62afc5b 154 return false;
Kojto 39:d96aa62afc5b 155 case BULK_ENDPOINT:
Kojto 39:d96aa62afc5b 156 wk_data = ohciwrapp_reg_r(OHCI_REG_CONTROL);
Kojto 39:d96aa62afc5b 157 if(wk_data & OR_CONTROL_BLE) {
Kojto 39:d96aa62afc5b 158 wk_data &= ~OR_CONTROL_BLE;
Kojto 39:d96aa62afc5b 159 ohciwrapp_reg_w(OHCI_REG_CONTROL, wk_data);
Kojto 39:d96aa62afc5b 160 return true;
Kojto 39:d96aa62afc5b 161 }
Kojto 39:d96aa62afc5b 162 return false;
Kojto 39:d96aa62afc5b 163 case INTERRUPT_ENDPOINT:
Kojto 39:d96aa62afc5b 164 wk_data = ohciwrapp_reg_r(OHCI_REG_CONTROL);
Kojto 39:d96aa62afc5b 165 if(wk_data & OR_CONTROL_PLE) {
Kojto 39:d96aa62afc5b 166 wk_data &= ~OR_CONTROL_PLE;
Kojto 39:d96aa62afc5b 167 ohciwrapp_reg_w(OHCI_REG_CONTROL, wk_data);
Kojto 39:d96aa62afc5b 168 return true;
Kojto 39:d96aa62afc5b 169 }
Kojto 39:d96aa62afc5b 170 return false;
Kojto 39:d96aa62afc5b 171 }
Kojto 39:d96aa62afc5b 172 return false;
Kojto 39:d96aa62afc5b 173 }
Kojto 39:d96aa62afc5b 174
Kojto 39:d96aa62afc5b 175
Kojto 39:d96aa62afc5b 176 void USBHALHost::memInit() {
Kojto 39:d96aa62afc5b 177 volatile uint8_t *p_wk_buf = (uint8_t *)(((uint32_t)usb_buf + ALIGNE_MSK) & ~ALIGNE_MSK);
Kojto 39:d96aa62afc5b 178
Kojto 39:d96aa62afc5b 179 usb_hcca = (volatile HCCA *)p_wk_buf;
Kojto 39:d96aa62afc5b 180 usb_edBuf = (volatile uint8_t *)(p_wk_buf + HCCA_SIZE);
Kojto 39:d96aa62afc5b 181 usb_tdBuf = (volatile uint8_t *)(p_wk_buf + HCCA_SIZE + (MAX_ENDPOINT*ED_SIZE));
Kojto 39:d96aa62afc5b 182 }
Kojto 39:d96aa62afc5b 183
Kojto 39:d96aa62afc5b 184 volatile uint8_t * USBHALHost::getED() {
Kojto 39:d96aa62afc5b 185 for (int i = 0; i < MAX_ENDPOINT; i++) {
Kojto 39:d96aa62afc5b 186 if ( !edBufAlloc[i] ) {
Kojto 39:d96aa62afc5b 187 edBufAlloc[i] = true;
Kojto 39:d96aa62afc5b 188 return (volatile uint8_t *)(usb_edBuf + i*ED_SIZE);
Kojto 39:d96aa62afc5b 189 }
Kojto 39:d96aa62afc5b 190 }
Kojto 39:d96aa62afc5b 191 perror("Could not allocate ED\r\n");
Kojto 39:d96aa62afc5b 192 return NULL; //Could not alloc ED
Kojto 39:d96aa62afc5b 193 }
Kojto 39:d96aa62afc5b 194
Kojto 39:d96aa62afc5b 195 volatile uint8_t * USBHALHost::getTD() {
Kojto 39:d96aa62afc5b 196 int i;
Kojto 39:d96aa62afc5b 197 for (i = 0; i < MAX_TD; i++) {
Kojto 39:d96aa62afc5b 198 if ( !tdBufAlloc[i] ) {
Kojto 39:d96aa62afc5b 199 tdBufAlloc[i] = true;
Kojto 39:d96aa62afc5b 200 return (volatile uint8_t *)(usb_tdBuf + i*TD_SIZE);
Kojto 39:d96aa62afc5b 201 }
Kojto 39:d96aa62afc5b 202 }
Kojto 39:d96aa62afc5b 203 perror("Could not allocate TD\r\n");
Kojto 39:d96aa62afc5b 204 return NULL; //Could not alloc TD
Kojto 39:d96aa62afc5b 205 }
Kojto 39:d96aa62afc5b 206
Kojto 39:d96aa62afc5b 207
Kojto 39:d96aa62afc5b 208 void USBHALHost::freeED(volatile uint8_t * ed) {
Kojto 39:d96aa62afc5b 209 int i;
Kojto 39:d96aa62afc5b 210 i = (ed - usb_edBuf) / ED_SIZE;
Kojto 39:d96aa62afc5b 211 edBufAlloc[i] = false;
Kojto 39:d96aa62afc5b 212 }
Kojto 39:d96aa62afc5b 213
Kojto 39:d96aa62afc5b 214 void USBHALHost::freeTD(volatile uint8_t * td) {
Kojto 39:d96aa62afc5b 215 int i;
Kojto 39:d96aa62afc5b 216 i = (td - usb_tdBuf) / TD_SIZE;
Kojto 39:d96aa62afc5b 217 tdBufAlloc[i] = false;
Kojto 39:d96aa62afc5b 218 }
Kojto 39:d96aa62afc5b 219
Kojto 39:d96aa62afc5b 220
Kojto 39:d96aa62afc5b 221 void USBHALHost::resetRootHub() {
Kojto 39:d96aa62afc5b 222 // Initiate port reset
Kojto 39:d96aa62afc5b 223 ohciwrapp_reg_w(OHCI_REG_RHPORTSTATUS1, OR_RH_PORT_PRS);
Kojto 39:d96aa62afc5b 224
Kojto 39:d96aa62afc5b 225 while (ohciwrapp_reg_r(OHCI_REG_RHPORTSTATUS1) & OR_RH_PORT_PRS);
Kojto 39:d96aa62afc5b 226
Kojto 39:d96aa62afc5b 227 // ...and clear port reset signal
Kojto 39:d96aa62afc5b 228 ohciwrapp_reg_w(OHCI_REG_RHPORTSTATUS1, OR_RH_PORT_PRSC);
Kojto 39:d96aa62afc5b 229 }
Kojto 39:d96aa62afc5b 230
Kojto 39:d96aa62afc5b 231
Kojto 39:d96aa62afc5b 232 void USBHALHost::_usbisr(void) {
Kojto 39:d96aa62afc5b 233 if (instHost) {
Kojto 39:d96aa62afc5b 234 instHost->UsbIrqhandler();
Kojto 39:d96aa62afc5b 235 }
Kojto 39:d96aa62afc5b 236 }
Kojto 39:d96aa62afc5b 237
Kojto 39:d96aa62afc5b 238 void USBHALHost::UsbIrqhandler() {
Kojto 39:d96aa62afc5b 239 uint32_t int_status = ohciwrapp_reg_r(OHCI_REG_INTERRUPTSTATUS) & ohciwrapp_reg_r(OHCI_REG_INTERRUPTENABLE);
Kojto 39:d96aa62afc5b 240 uint32_t data;
Kojto 39:d96aa62afc5b 241
Kojto 39:d96aa62afc5b 242 if (int_status != 0) { //Is there something to actually process?
Kojto 39:d96aa62afc5b 243 // Root hub status change interrupt
Kojto 39:d96aa62afc5b 244 if (int_status & OR_INTR_STATUS_RHSC) {
Kojto 39:d96aa62afc5b 245 if (ohciwrapp_reg_r(OHCI_REG_RHPORTSTATUS1) & OR_RH_PORT_CSC) {
Kojto 39:d96aa62afc5b 246 if (ohciwrapp_reg_r(OHCI_REG_RHSTATUS) & OR_RH_STATUS_DRWE) {
Kojto 39:d96aa62afc5b 247 // When DRWE is on, Connect Status Change
Kojto 39:d96aa62afc5b 248 // means a remote wakeup event.
Kojto 39:d96aa62afc5b 249 } else {
Kojto 39:d96aa62afc5b 250
Kojto 39:d96aa62afc5b 251 //Root device connected
Kojto 39:d96aa62afc5b 252 if (ohciwrapp_reg_r(OHCI_REG_RHPORTSTATUS1) & OR_RH_PORT_CCS) {
Kojto 39:d96aa62afc5b 253
Kojto 39:d96aa62afc5b 254 // wait 150ms to avoid bounce
Kojto 39:d96aa62afc5b 255 wait_ms(150);
Kojto 39:d96aa62afc5b 256
Kojto 39:d96aa62afc5b 257 //Hub 0 (root hub), Port 1 (count starts at 1), Low or High speed
Kojto 39:d96aa62afc5b 258 data = ohciwrapp_reg_r(OHCI_REG_RHPORTSTATUS1) & OR_RH_PORT_LSDA;
Kojto 39:d96aa62afc5b 259 deviceConnected(0, 1, data);
Kojto 39:d96aa62afc5b 260 }
Kojto 39:d96aa62afc5b 261
Kojto 39:d96aa62afc5b 262 //Root device disconnected
Kojto 39:d96aa62afc5b 263 else {
Kojto 39:d96aa62afc5b 264 deviceDisconnected(0, 1, NULL, usb_hcca->DoneHead & 0xFFFFFFFE);
Kojto 39:d96aa62afc5b 265 }
Kojto 39:d96aa62afc5b 266 }
Kojto 39:d96aa62afc5b 267 ohciwrapp_reg_w(OHCI_REG_RHPORTSTATUS1, OR_RH_PORT_CSC);
Kojto 39:d96aa62afc5b 268 }
Kojto 39:d96aa62afc5b 269 if (ohciwrapp_reg_r(OHCI_REG_RHPORTSTATUS1) & OR_RH_PORT_PRSC) {
Kojto 39:d96aa62afc5b 270 ohciwrapp_reg_w(OHCI_REG_RHPORTSTATUS1, OR_RH_PORT_PRSC);
Kojto 39:d96aa62afc5b 271 }
Kojto 39:d96aa62afc5b 272 ohciwrapp_reg_w(OHCI_REG_INTERRUPTSTATUS, OR_INTR_STATUS_RHSC);
Kojto 39:d96aa62afc5b 273 }
Kojto 39:d96aa62afc5b 274
Kojto 39:d96aa62afc5b 275 // Writeback Done Head interrupt
Kojto 39:d96aa62afc5b 276 if (int_status & OR_INTR_STATUS_WDH) {
Kojto 39:d96aa62afc5b 277 transferCompleted(usb_hcca->DoneHead & 0xFFFFFFFE);
Kojto 39:d96aa62afc5b 278 ohciwrapp_reg_w(OHCI_REG_INTERRUPTSTATUS, OR_INTR_STATUS_WDH);
Kojto 39:d96aa62afc5b 279 }
Kojto 39:d96aa62afc5b 280 }
Kojto 39:d96aa62afc5b 281 }
Kojto 39:d96aa62afc5b 282 #endif