SkyTEM BMAG / Mbed 2 deprecated BMAGThrRev

Bmag incl gps rettelse

Dependencies:   mbed WDT MODSERIAL BME280

USBHost/USBHostHub/USBHostHub.cpp@61:52a6d0ffd8e5, 2019-07-05 (annotated)

Committer:
gert_lauritsen
Date:
Fri Jul 05 12:55:53 2019 +0000
Branch:
MbedBMAGThrRev
Revision:
61:52a6d0ffd8e5
dato rettel og ID i file lagt ind i version 5

Who changed what in which revision?

UserRevisionLine numberNew contents of line
gert_lauritsen 61:52a6d0ffd8e5 1 /* mbed USBHost Library
gert_lauritsen 61:52a6d0ffd8e5 2 * Copyright (c) 2006-2013 ARM Limited
gert_lauritsen 61:52a6d0ffd8e5 3 *
gert_lauritsen 61:52a6d0ffd8e5 4 * Licensed under the Apache License, Version 2.0 (the "License");
gert_lauritsen 61:52a6d0ffd8e5 5 * you may not use this file except in compliance with the License.
gert_lauritsen 61:52a6d0ffd8e5 6 * You may obtain a copy of the License at
gert_lauritsen 61:52a6d0ffd8e5 7 *
gert_lauritsen 61:52a6d0ffd8e5 8 * http://www.apache.org/licenses/LICENSE-2.0
gert_lauritsen 61:52a6d0ffd8e5 9 *
gert_lauritsen 61:52a6d0ffd8e5 10 * Unless required by applicable law or agreed to in writing, software
gert_lauritsen 61:52a6d0ffd8e5 11 * distributed under the License is distributed on an "AS IS" BASIS,
gert_lauritsen 61:52a6d0ffd8e5 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
gert_lauritsen 61:52a6d0ffd8e5 13 * See the License for the specific language governing permissions and
gert_lauritsen 61:52a6d0ffd8e5 14 * limitations under the License.
gert_lauritsen 61:52a6d0ffd8e5 15 */
gert_lauritsen 61:52a6d0ffd8e5 16
gert_lauritsen 61:52a6d0ffd8e5 17 #include "USBHostHub.h"
gert_lauritsen 61:52a6d0ffd8e5 18
gert_lauritsen 61:52a6d0ffd8e5 19 #if MAX_HUB_NB
gert_lauritsen 61:52a6d0ffd8e5 20
gert_lauritsen 61:52a6d0ffd8e5 21 #include "USBHost.h"
gert_lauritsen 61:52a6d0ffd8e5 22 #include "dbg.h"
gert_lauritsen 61:52a6d0ffd8e5 23
gert_lauritsen 61:52a6d0ffd8e5 24 #define GET_STATUS 0x00
gert_lauritsen 61:52a6d0ffd8e5 25 #define CLEAR_FEATURE 0x01
gert_lauritsen 61:52a6d0ffd8e5 26 #define GET_STATE 0x02
gert_lauritsen 61:52a6d0ffd8e5 27 #define SET_FEATURE 0x03
gert_lauritsen 61:52a6d0ffd8e5 28 #define GET_DESCRIPTOR 0x06
gert_lauritsen 61:52a6d0ffd8e5 29
gert_lauritsen 61:52a6d0ffd8e5 30 #define PORT_CONNECTION_FEATURE (0x00)
gert_lauritsen 61:52a6d0ffd8e5 31 #define PORT_ENABLE_FEATURE (0x01)
gert_lauritsen 61:52a6d0ffd8e5 32 #define PORT_RESET_FEATURE (0x04)
gert_lauritsen 61:52a6d0ffd8e5 33 #define PORT_POWER_FEATURE (0x08)
gert_lauritsen 61:52a6d0ffd8e5 34
gert_lauritsen 61:52a6d0ffd8e5 35 #define C_PORT_CONNECTION_FEATURE (16)
gert_lauritsen 61:52a6d0ffd8e5 36 #define C_PORT_ENABLE_FEATURE (17)
gert_lauritsen 61:52a6d0ffd8e5 37 #define C_PORT_RESET_FEATURE (20)
gert_lauritsen 61:52a6d0ffd8e5 38
gert_lauritsen 61:52a6d0ffd8e5 39 #define PORT_CONNECTION (1 << 0)
gert_lauritsen 61:52a6d0ffd8e5 40 #define PORT_ENABLE (1 << 1)
gert_lauritsen 61:52a6d0ffd8e5 41 #define PORT_SUSPEND (1 << 2)
gert_lauritsen 61:52a6d0ffd8e5 42 #define PORT_OVER_CURRENT (1 << 3)
gert_lauritsen 61:52a6d0ffd8e5 43 #define PORT_RESET (1 << 4)
gert_lauritsen 61:52a6d0ffd8e5 44 #define PORT_POWER (1 << 8)
gert_lauritsen 61:52a6d0ffd8e5 45 #define PORT_LOW_SPEED (1 << 9)
gert_lauritsen 61:52a6d0ffd8e5 46
gert_lauritsen 61:52a6d0ffd8e5 47 #define C_PORT_CONNECTION (1 << 16)
gert_lauritsen 61:52a6d0ffd8e5 48 #define C_PORT_ENABLE (1 << 17)
gert_lauritsen 61:52a6d0ffd8e5 49 #define C_PORT_SUSPEND (1 << 18)
gert_lauritsen 61:52a6d0ffd8e5 50 #define C_PORT_OVER_CURRENT (1 << 19)
gert_lauritsen 61:52a6d0ffd8e5 51 #define C_PORT_RESET (1 << 20)
gert_lauritsen 61:52a6d0ffd8e5 52
gert_lauritsen 61:52a6d0ffd8e5 53 USBHostHub::USBHostHub() {
gert_lauritsen 61:52a6d0ffd8e5 54 host = NULL;
gert_lauritsen 61:52a6d0ffd8e5 55 init();
gert_lauritsen 61:52a6d0ffd8e5 56 }
gert_lauritsen 61:52a6d0ffd8e5 57
gert_lauritsen 61:52a6d0ffd8e5 58 void USBHostHub::init() {
gert_lauritsen 61:52a6d0ffd8e5 59 dev_connected = false;
gert_lauritsen 61:52a6d0ffd8e5 60 dev = NULL;
gert_lauritsen 61:52a6d0ffd8e5 61 int_in = NULL;
gert_lauritsen 61:52a6d0ffd8e5 62 dev_connected = false;
gert_lauritsen 61:52a6d0ffd8e5 63 hub_intf = -1;
gert_lauritsen 61:52a6d0ffd8e5 64 hub_device_found = false;
gert_lauritsen 61:52a6d0ffd8e5 65 nb_port = 0;
gert_lauritsen 61:52a6d0ffd8e5 66 hub_characteristics = 0;
gert_lauritsen 61:52a6d0ffd8e5 67
gert_lauritsen 61:52a6d0ffd8e5 68 for (int i = 0; i < MAX_HUB_PORT; i++) {
gert_lauritsen 61:52a6d0ffd8e5 69 device_children[i] = NULL;
gert_lauritsen 61:52a6d0ffd8e5 70 }
gert_lauritsen 61:52a6d0ffd8e5 71 }
gert_lauritsen 61:52a6d0ffd8e5 72
gert_lauritsen 61:52a6d0ffd8e5 73 void USBHostHub::setHost(USBHost * host_) {
gert_lauritsen 61:52a6d0ffd8e5 74 host = host_;
gert_lauritsen 61:52a6d0ffd8e5 75 }
gert_lauritsen 61:52a6d0ffd8e5 76
gert_lauritsen 61:52a6d0ffd8e5 77 bool USBHostHub::connected()
gert_lauritsen 61:52a6d0ffd8e5 78 {
gert_lauritsen 61:52a6d0ffd8e5 79 return dev_connected;
gert_lauritsen 61:52a6d0ffd8e5 80 }
gert_lauritsen 61:52a6d0ffd8e5 81
gert_lauritsen 61:52a6d0ffd8e5 82 bool USBHostHub::connect(USBDeviceConnected * dev)
gert_lauritsen 61:52a6d0ffd8e5 83 {
gert_lauritsen 61:52a6d0ffd8e5 84 if (dev_connected) {
gert_lauritsen 61:52a6d0ffd8e5 85 return true;
gert_lauritsen 61:52a6d0ffd8e5 86 }
gert_lauritsen 61:52a6d0ffd8e5 87
gert_lauritsen 61:52a6d0ffd8e5 88 if(host->enumerate(dev, this)) {
gert_lauritsen 61:52a6d0ffd8e5 89 init();
gert_lauritsen 61:52a6d0ffd8e5 90 return false;
gert_lauritsen 61:52a6d0ffd8e5 91 }
gert_lauritsen 61:52a6d0ffd8e5 92
gert_lauritsen 61:52a6d0ffd8e5 93 if (hub_device_found) {
gert_lauritsen 61:52a6d0ffd8e5 94 this->dev = dev;
gert_lauritsen 61:52a6d0ffd8e5 95
gert_lauritsen 61:52a6d0ffd8e5 96 int_in = dev->getEndpoint(hub_intf, INTERRUPT_ENDPOINT, IN);
gert_lauritsen 61:52a6d0ffd8e5 97
gert_lauritsen 61:52a6d0ffd8e5 98 if (!int_in) {
gert_lauritsen 61:52a6d0ffd8e5 99 init();
gert_lauritsen 61:52a6d0ffd8e5 100 return false;
gert_lauritsen 61:52a6d0ffd8e5 101 }
gert_lauritsen 61:52a6d0ffd8e5 102
gert_lauritsen 61:52a6d0ffd8e5 103 USB_INFO("New HUB: VID:%04x PID:%04x [dev: %p - intf: %d]", dev->getVid(), dev->getPid(), dev, hub_intf);
gert_lauritsen 61:52a6d0ffd8e5 104 dev->setName("Hub", hub_intf);
gert_lauritsen 61:52a6d0ffd8e5 105 host->registerDriver(dev, hub_intf, this, &USBHostHub::disconnect);
gert_lauritsen 61:52a6d0ffd8e5 106
gert_lauritsen 61:52a6d0ffd8e5 107 int_in->attach(this, &USBHostHub::rxHandler);
gert_lauritsen 61:52a6d0ffd8e5 108
gert_lauritsen 61:52a6d0ffd8e5 109 // get HUB descriptor
gert_lauritsen 61:52a6d0ffd8e5 110 host->controlRead( dev,
gert_lauritsen 61:52a6d0ffd8e5 111 USB_DEVICE_TO_HOST | USB_REQUEST_TYPE_CLASS,
gert_lauritsen 61:52a6d0ffd8e5 112 GET_DESCRIPTOR,
gert_lauritsen 61:52a6d0ffd8e5 113 0x29 << 8, 0, buf, sizeof(HubDescriptor));
gert_lauritsen 61:52a6d0ffd8e5 114 nb_port = buf[2];
gert_lauritsen 61:52a6d0ffd8e5 115 hub_characteristics = buf[3];
gert_lauritsen 61:52a6d0ffd8e5 116
gert_lauritsen 61:52a6d0ffd8e5 117 USB_DBG("Hub has %d port", nb_port);
gert_lauritsen 61:52a6d0ffd8e5 118
gert_lauritsen 61:52a6d0ffd8e5 119 for (uint8_t j = 1; j <= nb_port; j++) {
gert_lauritsen 61:52a6d0ffd8e5 120 setPortFeature(PORT_POWER_FEATURE, j);
gert_lauritsen 61:52a6d0ffd8e5 121 }
gert_lauritsen 61:52a6d0ffd8e5 122 wait_ms(buf[5]*2);
gert_lauritsen 61:52a6d0ffd8e5 123
gert_lauritsen 61:52a6d0ffd8e5 124 host->interruptRead(dev, int_in, buf, 1, false);
gert_lauritsen 61:52a6d0ffd8e5 125 dev_connected = true;
gert_lauritsen 61:52a6d0ffd8e5 126 return true;
gert_lauritsen 61:52a6d0ffd8e5 127 }
gert_lauritsen 61:52a6d0ffd8e5 128
gert_lauritsen 61:52a6d0ffd8e5 129 return false;
gert_lauritsen 61:52a6d0ffd8e5 130 }
gert_lauritsen 61:52a6d0ffd8e5 131
gert_lauritsen 61:52a6d0ffd8e5 132 void USBHostHub::disconnect() {
gert_lauritsen 61:52a6d0ffd8e5 133 init();
gert_lauritsen 61:52a6d0ffd8e5 134 }
gert_lauritsen 61:52a6d0ffd8e5 135
gert_lauritsen 61:52a6d0ffd8e5 136 /*virtual*/ void USBHostHub::setVidPid(uint16_t vid, uint16_t pid)
gert_lauritsen 61:52a6d0ffd8e5 137 {
gert_lauritsen 61:52a6d0ffd8e5 138 // we don't check VID/PID for MSD driver
gert_lauritsen 61:52a6d0ffd8e5 139 }
gert_lauritsen 61:52a6d0ffd8e5 140
gert_lauritsen 61:52a6d0ffd8e5 141 /*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
gert_lauritsen 61:52a6d0ffd8e5 142 {
gert_lauritsen 61:52a6d0ffd8e5 143 if ((hub_intf == -1) &&
gert_lauritsen 61:52a6d0ffd8e5 144 (intf_class == HUB_CLASS) &&
gert_lauritsen 61:52a6d0ffd8e5 145 (intf_subclass == 0) &&
gert_lauritsen 61:52a6d0ffd8e5 146 (intf_protocol == 0)) {
gert_lauritsen 61:52a6d0ffd8e5 147 hub_intf = intf_nb;
gert_lauritsen 61:52a6d0ffd8e5 148 return true;
gert_lauritsen 61:52a6d0ffd8e5 149 }
gert_lauritsen 61:52a6d0ffd8e5 150 return false;
gert_lauritsen 61:52a6d0ffd8e5 151 }
gert_lauritsen 61:52a6d0ffd8e5 152
gert_lauritsen 61:52a6d0ffd8e5 153 /*virtual*/ bool USBHostHub::useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir) //Must return true if the endpoint will be used
gert_lauritsen 61:52a6d0ffd8e5 154 {
gert_lauritsen 61:52a6d0ffd8e5 155 if (intf_nb == hub_intf) {
gert_lauritsen 61:52a6d0ffd8e5 156 if ((type == INTERRUPT_ENDPOINT) && (dir == IN)) {
gert_lauritsen 61:52a6d0ffd8e5 157 hub_device_found = true;
gert_lauritsen 61:52a6d0ffd8e5 158 return true;
gert_lauritsen 61:52a6d0ffd8e5 159 }
gert_lauritsen 61:52a6d0ffd8e5 160 }
gert_lauritsen 61:52a6d0ffd8e5 161 return false;
gert_lauritsen 61:52a6d0ffd8e5 162 }
gert_lauritsen 61:52a6d0ffd8e5 163
gert_lauritsen 61:52a6d0ffd8e5 164 void USBHostHub::deviceConnected(USBDeviceConnected * dev) {
gert_lauritsen 61:52a6d0ffd8e5 165 device_children[dev->getPort() - 1] = dev;
gert_lauritsen 61:52a6d0ffd8e5 166 }
gert_lauritsen 61:52a6d0ffd8e5 167
gert_lauritsen 61:52a6d0ffd8e5 168 void USBHostHub::deviceDisconnected(USBDeviceConnected * dev) {
gert_lauritsen 61:52a6d0ffd8e5 169 device_children[dev->getPort() - 1] = NULL;
gert_lauritsen 61:52a6d0ffd8e5 170 }
gert_lauritsen 61:52a6d0ffd8e5 171
gert_lauritsen 61:52a6d0ffd8e5 172 void USBHostHub::hubDisconnected() {
gert_lauritsen 61:52a6d0ffd8e5 173 for (uint8_t i = 0; i < MAX_HUB_PORT; i++) {
gert_lauritsen 61:52a6d0ffd8e5 174 if (device_children[i] != NULL) {
gert_lauritsen 61:52a6d0ffd8e5 175 host->freeDevice(device_children[i]);
gert_lauritsen 61:52a6d0ffd8e5 176 }
gert_lauritsen 61:52a6d0ffd8e5 177 }
gert_lauritsen 61:52a6d0ffd8e5 178 }
gert_lauritsen 61:52a6d0ffd8e5 179
gert_lauritsen 61:52a6d0ffd8e5 180 void USBHostHub::rxHandler() {
gert_lauritsen 61:52a6d0ffd8e5 181 uint32_t status;
gert_lauritsen 61:52a6d0ffd8e5 182 if (int_in) {
gert_lauritsen 61:52a6d0ffd8e5 183 if (int_in->getState() == USB_TYPE_IDLE) {
gert_lauritsen 61:52a6d0ffd8e5 184 for (int port = 1; port <= nb_port; port++) {
gert_lauritsen 61:52a6d0ffd8e5 185 status = getPortStatus(port);
gert_lauritsen 61:52a6d0ffd8e5 186 USB_DBG("[hub handler hub: %d] status port %d [hub: %p]: 0x%X", dev->getHub(), port, dev, status);
gert_lauritsen 61:52a6d0ffd8e5 187
gert_lauritsen 61:52a6d0ffd8e5 188 // if connection status has changed
gert_lauritsen 61:52a6d0ffd8e5 189 if (status & C_PORT_CONNECTION) {
gert_lauritsen 61:52a6d0ffd8e5 190 if (status & PORT_CONNECTION) {
gert_lauritsen 61:52a6d0ffd8e5 191 USB_DBG("[hub handler hub: %d - port: %d] new device connected", dev->getHub(), port);
gert_lauritsen 61:52a6d0ffd8e5 192 host->deviceConnected(dev->getHub() + 1, port, status & PORT_LOW_SPEED, this);
gert_lauritsen 61:52a6d0ffd8e5 193 } else {
gert_lauritsen 61:52a6d0ffd8e5 194 USB_DBG("[hub handler hub: %d - port: %d] device disconnected", dev->getHub(), port);
gert_lauritsen 61:52a6d0ffd8e5 195 host->deviceDisconnected(dev->getHub() + 1, port, this, 0);
gert_lauritsen 61:52a6d0ffd8e5 196 }
gert_lauritsen 61:52a6d0ffd8e5 197
gert_lauritsen 61:52a6d0ffd8e5 198 clearPortFeature(C_PORT_CONNECTION_FEATURE, port);
gert_lauritsen 61:52a6d0ffd8e5 199 }
gert_lauritsen 61:52a6d0ffd8e5 200
gert_lauritsen 61:52a6d0ffd8e5 201 if (status & C_PORT_RESET) {
gert_lauritsen 61:52a6d0ffd8e5 202 clearPortFeature(C_PORT_RESET_FEATURE, port);
gert_lauritsen 61:52a6d0ffd8e5 203 }
gert_lauritsen 61:52a6d0ffd8e5 204
gert_lauritsen 61:52a6d0ffd8e5 205 if (status & C_PORT_ENABLE) {
gert_lauritsen 61:52a6d0ffd8e5 206 clearPortFeature(C_PORT_ENABLE_FEATURE, port);
gert_lauritsen 61:52a6d0ffd8e5 207 }
gert_lauritsen 61:52a6d0ffd8e5 208
gert_lauritsen 61:52a6d0ffd8e5 209 if ((status & PORT_OVER_CURRENT)) {
gert_lauritsen 61:52a6d0ffd8e5 210 USB_ERR("OVER CURRENT DETECTED\r\n");
gert_lauritsen 61:52a6d0ffd8e5 211 clearPortFeature(PORT_OVER_CURRENT, port);
gert_lauritsen 61:52a6d0ffd8e5 212 host->deviceDisconnected(dev->getHub() + 1, port, this, 0);
gert_lauritsen 61:52a6d0ffd8e5 213 }
gert_lauritsen 61:52a6d0ffd8e5 214 }
gert_lauritsen 61:52a6d0ffd8e5 215 }
gert_lauritsen 61:52a6d0ffd8e5 216 host->interruptRead(dev, int_in, buf, 1, false);
gert_lauritsen 61:52a6d0ffd8e5 217 }
gert_lauritsen 61:52a6d0ffd8e5 218 }
gert_lauritsen 61:52a6d0ffd8e5 219
gert_lauritsen 61:52a6d0ffd8e5 220 void USBHostHub::portReset(uint8_t port) {
gert_lauritsen 61:52a6d0ffd8e5 221 // reset port
gert_lauritsen 61:52a6d0ffd8e5 222 uint32_t status;
gert_lauritsen 61:52a6d0ffd8e5 223 USB_DBG("reset port %d on hub: %p [this: %p]", port, dev, this)
gert_lauritsen 61:52a6d0ffd8e5 224 setPortFeature(PORT_RESET_FEATURE, port);
gert_lauritsen 61:52a6d0ffd8e5 225 #if defined(TARGET_RZ_A1H)
gert_lauritsen 61:52a6d0ffd8e5 226 Thread::wait(50); // Reset release waiting for Hi-Speed check.
gert_lauritsen 61:52a6d0ffd8e5 227 #endif
gert_lauritsen 61:52a6d0ffd8e5 228 while(1) {
gert_lauritsen 61:52a6d0ffd8e5 229 status = getPortStatus(port);
gert_lauritsen 61:52a6d0ffd8e5 230 if (status & (PORT_ENABLE | PORT_RESET))
gert_lauritsen 61:52a6d0ffd8e5 231 break;
gert_lauritsen 61:52a6d0ffd8e5 232 if (status & PORT_OVER_CURRENT) {
gert_lauritsen 61:52a6d0ffd8e5 233 USB_ERR("OVER CURRENT DETECTED\r\n");
gert_lauritsen 61:52a6d0ffd8e5 234 clearPortFeature(PORT_OVER_CURRENT, port);
gert_lauritsen 61:52a6d0ffd8e5 235 host->deviceDisconnected(dev->getHub() + 1, port, this, 0);
gert_lauritsen 61:52a6d0ffd8e5 236 break;
gert_lauritsen 61:52a6d0ffd8e5 237 }
gert_lauritsen 61:52a6d0ffd8e5 238 Thread::wait(10);
gert_lauritsen 61:52a6d0ffd8e5 239 }
gert_lauritsen 61:52a6d0ffd8e5 240 }
gert_lauritsen 61:52a6d0ffd8e5 241
gert_lauritsen 61:52a6d0ffd8e5 242 void USBHostHub::setPortFeature(uint32_t feature, uint8_t port) {
gert_lauritsen 61:52a6d0ffd8e5 243 host->controlWrite( dev,
gert_lauritsen 61:52a6d0ffd8e5 244 USB_HOST_TO_DEVICE | USB_REQUEST_TYPE_CLASS | USB_RECIPIENT_INTERFACE | USB_RECIPIENT_ENDPOINT,
gert_lauritsen 61:52a6d0ffd8e5 245 SET_FEATURE,
gert_lauritsen 61:52a6d0ffd8e5 246 feature,
gert_lauritsen 61:52a6d0ffd8e5 247 port,
gert_lauritsen 61:52a6d0ffd8e5 248 NULL,
gert_lauritsen 61:52a6d0ffd8e5 249 0);
gert_lauritsen 61:52a6d0ffd8e5 250 }
gert_lauritsen 61:52a6d0ffd8e5 251
gert_lauritsen 61:52a6d0ffd8e5 252 void USBHostHub::clearPortFeature(uint32_t feature, uint8_t port) {
gert_lauritsen 61:52a6d0ffd8e5 253 host->controlWrite( dev,
gert_lauritsen 61:52a6d0ffd8e5 254 USB_HOST_TO_DEVICE | USB_REQUEST_TYPE_CLASS | USB_RECIPIENT_INTERFACE | USB_RECIPIENT_ENDPOINT,
gert_lauritsen 61:52a6d0ffd8e5 255 CLEAR_FEATURE,
gert_lauritsen 61:52a6d0ffd8e5 256 feature,
gert_lauritsen 61:52a6d0ffd8e5 257 port,
gert_lauritsen 61:52a6d0ffd8e5 258 NULL,
gert_lauritsen 61:52a6d0ffd8e5 259 0);
gert_lauritsen 61:52a6d0ffd8e5 260 }
gert_lauritsen 61:52a6d0ffd8e5 261
gert_lauritsen 61:52a6d0ffd8e5 262 uint32_t USBHostHub::getPortStatus(uint8_t port) {
gert_lauritsen 61:52a6d0ffd8e5 263 uint32_t st;
gert_lauritsen 61:52a6d0ffd8e5 264 host->controlRead( dev,
gert_lauritsen 61:52a6d0ffd8e5 265 USB_DEVICE_TO_HOST | USB_REQUEST_TYPE_CLASS | USB_RECIPIENT_INTERFACE | USB_RECIPIENT_ENDPOINT,
gert_lauritsen 61:52a6d0ffd8e5 266 GET_STATUS,
gert_lauritsen 61:52a6d0ffd8e5 267 0,
gert_lauritsen 61:52a6d0ffd8e5 268 port,
gert_lauritsen 61:52a6d0ffd8e5 269 (uint8_t *)&st,
gert_lauritsen 61:52a6d0ffd8e5 270 4);
gert_lauritsen 61:52a6d0ffd8e5 271 return st;
gert_lauritsen 61:52a6d0ffd8e5 272 }
gert_lauritsen 61:52a6d0ffd8e5 273
gert_lauritsen 61:52a6d0ffd8e5 274 #endif