Suga koubou / Mbed 2 deprecated XTouch-djay-bridge

X-TOUCH to djay bridge

Dependencies:   mbed mbed-rtos FATFileSystem

USBHost/USBHostHub/USBHostHub.cpp@1:0dac72ab5910, 2019-06-05 (annotated)

Committer:
okini3939
Date:
Wed Jun 05 04:54:37 2019 +0000
Revision:
1:0dac72ab5910
sample

Who changed what in which revision?

UserRevisionLine numberNew contents of line
okini3939 1:0dac72ab5910 1 /* mbed USBHost Library
okini3939 1:0dac72ab5910 2 * Copyright (c) 2006-2013 ARM Limited
okini3939 1:0dac72ab5910 3 *
okini3939 1:0dac72ab5910 4 * Licensed under the Apache License, Version 2.0 (the "License");
okini3939 1:0dac72ab5910 5 * you may not use this file except in compliance with the License.
okini3939 1:0dac72ab5910 6 * You may obtain a copy of the License at
okini3939 1:0dac72ab5910 7 *
okini3939 1:0dac72ab5910 8 * http://www.apache.org/licenses/LICENSE-2.0
okini3939 1:0dac72ab5910 9 *
okini3939 1:0dac72ab5910 10 * Unless required by applicable law or agreed to in writing, software
okini3939 1:0dac72ab5910 11 * distributed under the License is distributed on an "AS IS" BASIS,
okini3939 1:0dac72ab5910 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
okini3939 1:0dac72ab5910 13 * See the License for the specific language governing permissions and
okini3939 1:0dac72ab5910 14 * limitations under the License.
okini3939 1:0dac72ab5910 15 */
okini3939 1:0dac72ab5910 16
okini3939 1:0dac72ab5910 17 #include "USBHostHub.h"
okini3939 1:0dac72ab5910 18
okini3939 1:0dac72ab5910 19 #if MAX_HUB_NB
okini3939 1:0dac72ab5910 20
okini3939 1:0dac72ab5910 21 #include "USBHost.h"
okini3939 1:0dac72ab5910 22 #include "dbg.h"
okini3939 1:0dac72ab5910 23
okini3939 1:0dac72ab5910 24 #define GET_STATUS 0x00
okini3939 1:0dac72ab5910 25 #define CLEAR_FEATURE 0x01
okini3939 1:0dac72ab5910 26 #define GET_STATE 0x02
okini3939 1:0dac72ab5910 27 #define SET_FEATURE 0x03
okini3939 1:0dac72ab5910 28 #define GET_DESCRIPTOR 0x06
okini3939 1:0dac72ab5910 29
okini3939 1:0dac72ab5910 30 #define PORT_CONNECTION_FEATURE (0x00)
okini3939 1:0dac72ab5910 31 #define PORT_ENABLE_FEATURE (0x01)
okini3939 1:0dac72ab5910 32 #define PORT_RESET_FEATURE (0x04)
okini3939 1:0dac72ab5910 33 #define PORT_POWER_FEATURE (0x08)
okini3939 1:0dac72ab5910 34
okini3939 1:0dac72ab5910 35 #define C_PORT_CONNECTION_FEATURE (16)
okini3939 1:0dac72ab5910 36 #define C_PORT_ENABLE_FEATURE (17)
okini3939 1:0dac72ab5910 37 #define C_PORT_RESET_FEATURE (20)
okini3939 1:0dac72ab5910 38
okini3939 1:0dac72ab5910 39 #define PORT_CONNECTION (1 << 0)
okini3939 1:0dac72ab5910 40 #define PORT_ENABLE (1 << 1)
okini3939 1:0dac72ab5910 41 #define PORT_SUSPEND (1 << 2)
okini3939 1:0dac72ab5910 42 #define PORT_OVER_CURRENT (1 << 3)
okini3939 1:0dac72ab5910 43 #define PORT_RESET (1 << 4)
okini3939 1:0dac72ab5910 44 #define PORT_POWER (1 << 8)
okini3939 1:0dac72ab5910 45 #define PORT_LOW_SPEED (1 << 9)
okini3939 1:0dac72ab5910 46
okini3939 1:0dac72ab5910 47 #define C_PORT_CONNECTION (1 << 16)
okini3939 1:0dac72ab5910 48 #define C_PORT_ENABLE (1 << 17)
okini3939 1:0dac72ab5910 49 #define C_PORT_SUSPEND (1 << 18)
okini3939 1:0dac72ab5910 50 #define C_PORT_OVER_CURRENT (1 << 19)
okini3939 1:0dac72ab5910 51 #define C_PORT_RESET (1 << 20)
okini3939 1:0dac72ab5910 52
okini3939 1:0dac72ab5910 53 USBHostHub::USBHostHub()
okini3939 1:0dac72ab5910 54 {
okini3939 1:0dac72ab5910 55 host = NULL;
okini3939 1:0dac72ab5910 56 init();
okini3939 1:0dac72ab5910 57 }
okini3939 1:0dac72ab5910 58
okini3939 1:0dac72ab5910 59 void USBHostHub::init()
okini3939 1:0dac72ab5910 60 {
okini3939 1:0dac72ab5910 61 dev_connected = false;
okini3939 1:0dac72ab5910 62 dev = NULL;
okini3939 1:0dac72ab5910 63 int_in = NULL;
okini3939 1:0dac72ab5910 64 dev_connected = false;
okini3939 1:0dac72ab5910 65 hub_intf = -1;
okini3939 1:0dac72ab5910 66 hub_device_found = false;
okini3939 1:0dac72ab5910 67 nb_port = 0;
okini3939 1:0dac72ab5910 68 hub_characteristics = 0;
okini3939 1:0dac72ab5910 69
okini3939 1:0dac72ab5910 70 for (int i = 0; i < MAX_HUB_PORT; i++) {
okini3939 1:0dac72ab5910 71 device_children[i] = NULL;
okini3939 1:0dac72ab5910 72 }
okini3939 1:0dac72ab5910 73 }
okini3939 1:0dac72ab5910 74
okini3939 1:0dac72ab5910 75 void USBHostHub::setHost(USBHost * host_)
okini3939 1:0dac72ab5910 76 {
okini3939 1:0dac72ab5910 77 host = host_;
okini3939 1:0dac72ab5910 78 }
okini3939 1:0dac72ab5910 79
okini3939 1:0dac72ab5910 80 bool USBHostHub::connected()
okini3939 1:0dac72ab5910 81 {
okini3939 1:0dac72ab5910 82 return dev_connected;
okini3939 1:0dac72ab5910 83 }
okini3939 1:0dac72ab5910 84
okini3939 1:0dac72ab5910 85 bool USBHostHub::connect(USBDeviceConnected * dev)
okini3939 1:0dac72ab5910 86 {
okini3939 1:0dac72ab5910 87 if (dev_connected) {
okini3939 1:0dac72ab5910 88 return true;
okini3939 1:0dac72ab5910 89 }
okini3939 1:0dac72ab5910 90
okini3939 1:0dac72ab5910 91 if(host->enumerate(dev, this)) {
okini3939 1:0dac72ab5910 92 init();
okini3939 1:0dac72ab5910 93 return false;
okini3939 1:0dac72ab5910 94 }
okini3939 1:0dac72ab5910 95
okini3939 1:0dac72ab5910 96 if (hub_device_found) {
okini3939 1:0dac72ab5910 97 this->dev = dev;
okini3939 1:0dac72ab5910 98
okini3939 1:0dac72ab5910 99 int_in = dev->getEndpoint(hub_intf, INTERRUPT_ENDPOINT, IN);
okini3939 1:0dac72ab5910 100
okini3939 1:0dac72ab5910 101 if (!int_in) {
okini3939 1:0dac72ab5910 102 init();
okini3939 1:0dac72ab5910 103 return false;
okini3939 1:0dac72ab5910 104 }
okini3939 1:0dac72ab5910 105
okini3939 1:0dac72ab5910 106 USB_INFO("New HUB: VID:%04x PID:%04x [dev: %p - intf: %d]", dev->getVid(), dev->getPid(), dev, hub_intf);
okini3939 1:0dac72ab5910 107 dev->setName("Hub", hub_intf);
okini3939 1:0dac72ab5910 108 host->registerDriver(dev, hub_intf, this, &USBHostHub::disconnect);
okini3939 1:0dac72ab5910 109
okini3939 1:0dac72ab5910 110 int_in->attach(this, &USBHostHub::rxHandler);
okini3939 1:0dac72ab5910 111
okini3939 1:0dac72ab5910 112 // get HUB descriptor
okini3939 1:0dac72ab5910 113 host->controlRead( dev,
okini3939 1:0dac72ab5910 114 USB_DEVICE_TO_HOST | USB_REQUEST_TYPE_CLASS,
okini3939 1:0dac72ab5910 115 GET_DESCRIPTOR,
okini3939 1:0dac72ab5910 116 0x29 << 8, 0, buf, sizeof(HubDescriptor));
okini3939 1:0dac72ab5910 117 nb_port = buf[2];
okini3939 1:0dac72ab5910 118 hub_characteristics = buf[3];
okini3939 1:0dac72ab5910 119
okini3939 1:0dac72ab5910 120 USB_DBG("Hub has %d port", nb_port);
okini3939 1:0dac72ab5910 121
okini3939 1:0dac72ab5910 122 for (uint8_t j = 1; j <= nb_port; j++) {
okini3939 1:0dac72ab5910 123 setPortFeature(PORT_POWER_FEATURE, j);
okini3939 1:0dac72ab5910 124 }
okini3939 1:0dac72ab5910 125 wait_ms(buf[5]*2);
okini3939 1:0dac72ab5910 126
okini3939 1:0dac72ab5910 127 host->interruptRead(dev, int_in, buf, 1, false);
okini3939 1:0dac72ab5910 128 dev_connected = true;
okini3939 1:0dac72ab5910 129 return true;
okini3939 1:0dac72ab5910 130 }
okini3939 1:0dac72ab5910 131
okini3939 1:0dac72ab5910 132 return false;
okini3939 1:0dac72ab5910 133 }
okini3939 1:0dac72ab5910 134
okini3939 1:0dac72ab5910 135 void USBHostHub::disconnect()
okini3939 1:0dac72ab5910 136 {
okini3939 1:0dac72ab5910 137 init();
okini3939 1:0dac72ab5910 138 }
okini3939 1:0dac72ab5910 139
okini3939 1:0dac72ab5910 140 /*virtual*/ void USBHostHub::setVidPid(uint16_t vid, uint16_t pid)
okini3939 1:0dac72ab5910 141 {
okini3939 1:0dac72ab5910 142 // we don't check VID/PID for MSD driver
okini3939 1:0dac72ab5910 143 }
okini3939 1:0dac72ab5910 144
okini3939 1:0dac72ab5910 145 /*virtual*/ bool USBHostHub::parseInterface(uint8_t intf_nb, uint8_t intf_class, uint8_t intf_subclass, uint8_t intf_protocol) //Must return true if the interface should be parsed
okini3939 1:0dac72ab5910 146 {
okini3939 1:0dac72ab5910 147 if ((hub_intf == -1) &&
okini3939 1:0dac72ab5910 148 (intf_class == HUB_CLASS) &&
okini3939 1:0dac72ab5910 149 (intf_subclass == 0) &&
okini3939 1:0dac72ab5910 150 (intf_protocol == 0)) {
okini3939 1:0dac72ab5910 151 hub_intf = intf_nb;
okini3939 1:0dac72ab5910 152 return true;
okini3939 1:0dac72ab5910 153 }
okini3939 1:0dac72ab5910 154 return false;
okini3939 1:0dac72ab5910 155 }
okini3939 1:0dac72ab5910 156
okini3939 1:0dac72ab5910 157 /*virtual*/ bool USBHostHub::useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir) //Must return true if the endpoint will be used
okini3939 1:0dac72ab5910 158 {
okini3939 1:0dac72ab5910 159 if (intf_nb == hub_intf) {
okini3939 1:0dac72ab5910 160 if ((type == INTERRUPT_ENDPOINT) && (dir == IN)) {
okini3939 1:0dac72ab5910 161 hub_device_found = true;
okini3939 1:0dac72ab5910 162 return true;
okini3939 1:0dac72ab5910 163 }
okini3939 1:0dac72ab5910 164 }
okini3939 1:0dac72ab5910 165 return false;
okini3939 1:0dac72ab5910 166 }
okini3939 1:0dac72ab5910 167
okini3939 1:0dac72ab5910 168 void USBHostHub::deviceConnected(USBDeviceConnected * dev)
okini3939 1:0dac72ab5910 169 {
okini3939 1:0dac72ab5910 170 device_children[dev->getPort() - 1] = dev;
okini3939 1:0dac72ab5910 171 }
okini3939 1:0dac72ab5910 172
okini3939 1:0dac72ab5910 173 void USBHostHub::deviceDisconnected(USBDeviceConnected * dev)
okini3939 1:0dac72ab5910 174 {
okini3939 1:0dac72ab5910 175 device_children[dev->getPort() - 1] = NULL;
okini3939 1:0dac72ab5910 176 }
okini3939 1:0dac72ab5910 177
okini3939 1:0dac72ab5910 178 void USBHostHub::hubDisconnected()
okini3939 1:0dac72ab5910 179 {
okini3939 1:0dac72ab5910 180 for (uint8_t i = 0; i < MAX_HUB_PORT; i++) {
okini3939 1:0dac72ab5910 181 if (device_children[i] != NULL) {
okini3939 1:0dac72ab5910 182 host->freeDevice(device_children[i]);
okini3939 1:0dac72ab5910 183 }
okini3939 1:0dac72ab5910 184 }
okini3939 1:0dac72ab5910 185 }
okini3939 1:0dac72ab5910 186
okini3939 1:0dac72ab5910 187 void USBHostHub::rxHandler()
okini3939 1:0dac72ab5910 188 {
okini3939 1:0dac72ab5910 189 uint32_t status;
okini3939 1:0dac72ab5910 190 if (int_in) {
okini3939 1:0dac72ab5910 191 if ((int_in->getLengthTransferred())&&(int_in->getState() == USB_TYPE_IDLE)) {
okini3939 1:0dac72ab5910 192 for (int port = 1; port <= nb_port; port++) {
okini3939 1:0dac72ab5910 193 status = getPortStatus(port);
okini3939 1:0dac72ab5910 194 USB_DBG("[hub handler hub: %d] status port %d [hub: %p]: 0x%X", dev->getHub(), port, dev, status);
okini3939 1:0dac72ab5910 195
okini3939 1:0dac72ab5910 196 // if connection status has changed
okini3939 1:0dac72ab5910 197 if (status & C_PORT_CONNECTION) {
okini3939 1:0dac72ab5910 198 if (status & PORT_CONNECTION) {
okini3939 1:0dac72ab5910 199 USB_DBG("[hub handler hub: %d - port: %d] new device connected", dev->getHub(), port);
okini3939 1:0dac72ab5910 200 host->deviceConnected(dev->getHub() + 1, port, status & PORT_LOW_SPEED, this);
okini3939 1:0dac72ab5910 201 } else {
okini3939 1:0dac72ab5910 202 USB_DBG("[hub handler hub: %d - port: %d] device disconnected", dev->getHub(), port);
okini3939 1:0dac72ab5910 203 host->deviceDisconnected(dev->getHub() + 1, port, this, 0);
okini3939 1:0dac72ab5910 204 }
okini3939 1:0dac72ab5910 205
okini3939 1:0dac72ab5910 206 clearPortFeature(C_PORT_CONNECTION_FEATURE, port);
okini3939 1:0dac72ab5910 207 }
okini3939 1:0dac72ab5910 208
okini3939 1:0dac72ab5910 209 if (status & C_PORT_RESET) {
okini3939 1:0dac72ab5910 210 clearPortFeature(C_PORT_RESET_FEATURE, port);
okini3939 1:0dac72ab5910 211 }
okini3939 1:0dac72ab5910 212
okini3939 1:0dac72ab5910 213 if (status & C_PORT_ENABLE) {
okini3939 1:0dac72ab5910 214 clearPortFeature(C_PORT_ENABLE_FEATURE, port);
okini3939 1:0dac72ab5910 215 }
okini3939 1:0dac72ab5910 216
okini3939 1:0dac72ab5910 217 if ((status & PORT_OVER_CURRENT)) {
okini3939 1:0dac72ab5910 218 USB_ERR("OVER CURRENT DETECTED\r\n");
okini3939 1:0dac72ab5910 219 clearPortFeature(PORT_OVER_CURRENT, port);
okini3939 1:0dac72ab5910 220 host->deviceDisconnected(dev->getHub() + 1, port, this, 0);
okini3939 1:0dac72ab5910 221 }
okini3939 1:0dac72ab5910 222 }
okini3939 1:0dac72ab5910 223 }
okini3939 1:0dac72ab5910 224 host->interruptRead(dev, int_in, buf, 1, false);
okini3939 1:0dac72ab5910 225 }
okini3939 1:0dac72ab5910 226 }
okini3939 1:0dac72ab5910 227
okini3939 1:0dac72ab5910 228 void USBHostHub::portReset(uint8_t port)
okini3939 1:0dac72ab5910 229 {
okini3939 1:0dac72ab5910 230 // reset port
okini3939 1:0dac72ab5910 231 uint32_t status;
okini3939 1:0dac72ab5910 232 USB_DBG("reset port %d on hub: %p [this: %p]", port, dev, this)
okini3939 1:0dac72ab5910 233 setPortFeature(PORT_RESET_FEATURE, port);
okini3939 1:0dac72ab5910 234 #if defined(TARGET_RZ_A1H)
okini3939 1:0dac72ab5910 235 Thread::wait(50); // Reset release waiting for Hi-Speed check.
okini3939 1:0dac72ab5910 236 #endif
okini3939 1:0dac72ab5910 237 while(1) {
okini3939 1:0dac72ab5910 238 status = getPortStatus(port);
okini3939 1:0dac72ab5910 239 /* disconnection since reset request */
okini3939 1:0dac72ab5910 240 if (!(status & PORT_CONNECTION)) {
okini3939 1:0dac72ab5910 241 break;
okini3939 1:0dac72ab5910 242 }
okini3939 1:0dac72ab5910 243 if (status & (PORT_ENABLE | PORT_RESET)) {
okini3939 1:0dac72ab5910 244 break;
okini3939 1:0dac72ab5910 245 }
okini3939 1:0dac72ab5910 246 if (status & PORT_OVER_CURRENT) {
okini3939 1:0dac72ab5910 247 USB_ERR("OVER CURRENT DETECTED\r\n");
okini3939 1:0dac72ab5910 248 clearPortFeature(PORT_OVER_CURRENT, port);
okini3939 1:0dac72ab5910 249 host->deviceDisconnected(dev->getHub() + 1, port, this, 0);
okini3939 1:0dac72ab5910 250 break;
okini3939 1:0dac72ab5910 251 }
okini3939 1:0dac72ab5910 252 Thread::wait(10);
okini3939 1:0dac72ab5910 253 }
okini3939 1:0dac72ab5910 254 }
okini3939 1:0dac72ab5910 255
okini3939 1:0dac72ab5910 256 void USBHostHub::setPortFeature(uint32_t feature, uint8_t port)
okini3939 1:0dac72ab5910 257 {
okini3939 1:0dac72ab5910 258 host->controlWrite( dev,
okini3939 1:0dac72ab5910 259 USB_HOST_TO_DEVICE | USB_REQUEST_TYPE_CLASS | USB_RECIPIENT_INTERFACE | USB_RECIPIENT_ENDPOINT,
okini3939 1:0dac72ab5910 260 SET_FEATURE,
okini3939 1:0dac72ab5910 261 feature,
okini3939 1:0dac72ab5910 262 port,
okini3939 1:0dac72ab5910 263 NULL,
okini3939 1:0dac72ab5910 264 0);
okini3939 1:0dac72ab5910 265 }
okini3939 1:0dac72ab5910 266
okini3939 1:0dac72ab5910 267 void USBHostHub::clearPortFeature(uint32_t feature, uint8_t port)
okini3939 1:0dac72ab5910 268 {
okini3939 1:0dac72ab5910 269 host->controlWrite( dev,
okini3939 1:0dac72ab5910 270 USB_HOST_TO_DEVICE | USB_REQUEST_TYPE_CLASS | USB_RECIPIENT_INTERFACE | USB_RECIPIENT_ENDPOINT,
okini3939 1:0dac72ab5910 271 CLEAR_FEATURE,
okini3939 1:0dac72ab5910 272 feature,
okini3939 1:0dac72ab5910 273 port,
okini3939 1:0dac72ab5910 274 NULL,
okini3939 1:0dac72ab5910 275 0);
okini3939 1:0dac72ab5910 276 }
okini3939 1:0dac72ab5910 277
okini3939 1:0dac72ab5910 278 uint32_t USBHostHub::getPortStatus(uint8_t port)
okini3939 1:0dac72ab5910 279 {
okini3939 1:0dac72ab5910 280 uint32_t st;
okini3939 1:0dac72ab5910 281 host->controlRead( dev,
okini3939 1:0dac72ab5910 282 USB_DEVICE_TO_HOST | USB_REQUEST_TYPE_CLASS | USB_RECIPIENT_INTERFACE | USB_RECIPIENT_ENDPOINT,
okini3939 1:0dac72ab5910 283 GET_STATUS,
okini3939 1:0dac72ab5910 284 0,
okini3939 1:0dac72ab5910 285 port,
okini3939 1:0dac72ab5910 286 (uint8_t *)&st,
okini3939 1:0dac72ab5910 287 4);
okini3939 1:0dac72ab5910 288 return st;
okini3939 1:0dac72ab5910 289 }
okini3939 1:0dac72ab5910 290
okini3939 1:0dac72ab5910 291 #endif