Fork to update libraries and fix disk_read/disk_write functions
Dependencies: FATFileSystem mbed-rtos
Dependents: lpc4088_qsb_usbhost
Fork of LPC4088-USBHost by
USBHost/USBHost.cpp@1:5402b105b911, 2015-04-24 (annotated)
- Committer:
- embeddedartists
- Date:
- Fri Apr 24 06:11:09 2015 +0000
- Revision:
- 1:5402b105b911
- Parent:
- 0:148fca6fd246
Updated libraries and had to fix the parameters to disk_read/disk_write
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
va009039 | 0:148fca6fd246 | 1 | /* mbed USBHost Library |
va009039 | 0:148fca6fd246 | 2 | * Copyright (c) 2006-2013 ARM Limited |
va009039 | 0:148fca6fd246 | 3 | * |
va009039 | 0:148fca6fd246 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
va009039 | 0:148fca6fd246 | 5 | * you may not use this file except in compliance with the License. |
va009039 | 0:148fca6fd246 | 6 | * You may obtain a copy of the License at |
va009039 | 0:148fca6fd246 | 7 | * |
va009039 | 0:148fca6fd246 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
va009039 | 0:148fca6fd246 | 9 | * |
va009039 | 0:148fca6fd246 | 10 | * Unless required by applicable law or agreed to in writing, software |
va009039 | 0:148fca6fd246 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
va009039 | 0:148fca6fd246 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
va009039 | 0:148fca6fd246 | 13 | * See the License for the specific language governing permissions and |
va009039 | 0:148fca6fd246 | 14 | * limitations under the License. |
va009039 | 0:148fca6fd246 | 15 | */ |
va009039 | 0:148fca6fd246 | 16 | |
va009039 | 0:148fca6fd246 | 17 | #include "USBHost.h" |
va009039 | 0:148fca6fd246 | 18 | #define USB_DEBUG |
va009039 | 0:148fca6fd246 | 19 | #include "BaseUsbHostDebug.h" |
va009039 | 0:148fca6fd246 | 20 | #define TEST |
va009039 | 0:148fca6fd246 | 21 | #include "BaseUsbHostTest.h" |
va009039 | 0:148fca6fd246 | 22 | |
va009039 | 0:148fca6fd246 | 23 | USBHost* USBHost::inst = NULL; |
va009039 | 0:148fca6fd246 | 24 | |
va009039 | 0:148fca6fd246 | 25 | USBHost* USBHost::getHostInst() { |
va009039 | 0:148fca6fd246 | 26 | if (inst == NULL) { |
va009039 | 0:148fca6fd246 | 27 | inst = new USBHost(); |
va009039 | 0:148fca6fd246 | 28 | inst->init(); |
va009039 | 0:148fca6fd246 | 29 | } |
va009039 | 0:148fca6fd246 | 30 | return inst; |
va009039 | 0:148fca6fd246 | 31 | } |
va009039 | 0:148fca6fd246 | 32 | |
va009039 | 0:148fca6fd246 | 33 | void USBHost::poll() |
va009039 | 0:148fca6fd246 | 34 | { |
va009039 | 0:148fca6fd246 | 35 | if (inst) { |
va009039 | 0:148fca6fd246 | 36 | inst->task(); |
va009039 | 0:148fca6fd246 | 37 | } |
va009039 | 0:148fca6fd246 | 38 | } |
va009039 | 0:148fca6fd246 | 39 | |
va009039 | 0:148fca6fd246 | 40 | USBHost::USBHost() { |
va009039 | 0:148fca6fd246 | 41 | } |
va009039 | 0:148fca6fd246 | 42 | |
va009039 | 0:148fca6fd246 | 43 | /* virtual */ bool USBHost::addDevice(USBDeviceConnected* parent, int port, bool lowSpeed) { |
va009039 | 0:148fca6fd246 | 44 | USBDeviceConnected* dev = new USBDeviceConnected; |
va009039 | 0:148fca6fd246 | 45 | USBEndpoint* ep = new USBEndpoint(dev); |
va009039 | 0:148fca6fd246 | 46 | dev->init(0, port, lowSpeed); |
va009039 | 0:148fca6fd246 | 47 | dev->setAddress(0); |
va009039 | 0:148fca6fd246 | 48 | dev->setEpCtl(ep); |
va009039 | 0:148fca6fd246 | 49 | uint8_t desc[18]; |
va009039 | 0:148fca6fd246 | 50 | wait_ms(100); |
va009039 | 0:148fca6fd246 | 51 | |
va009039 | 0:148fca6fd246 | 52 | int rc = controlRead(dev, 0x80, GET_DESCRIPTOR, 1<<8, 0, desc, 8); |
va009039 | 0:148fca6fd246 | 53 | USB_TEST_ASSERT(rc == USB_TYPE_OK); |
va009039 | 0:148fca6fd246 | 54 | if (rc != USB_TYPE_OK) { |
va009039 | 0:148fca6fd246 | 55 | USB_ERR("ADD DEVICE FAILD"); |
va009039 | 0:148fca6fd246 | 56 | } |
va009039 | 0:148fca6fd246 | 57 | USB_DBG_HEX(desc, 8); |
va009039 | 0:148fca6fd246 | 58 | DeviceDescriptor* dev_desc = reinterpret_cast<DeviceDescriptor*>(desc); |
va009039 | 0:148fca6fd246 | 59 | ep->setSize(dev_desc->bMaxPacketSize); |
va009039 | 0:148fca6fd246 | 60 | |
va009039 | 0:148fca6fd246 | 61 | int new_addr = USBDeviceConnected::getNewAddress(); |
va009039 | 0:148fca6fd246 | 62 | rc = controlWrite(dev, 0x00, SET_ADDRESS, new_addr, 0, NULL, 0); |
va009039 | 0:148fca6fd246 | 63 | USB_TEST_ASSERT(rc == USB_TYPE_OK); |
va009039 | 0:148fca6fd246 | 64 | dev->setAddress(new_addr); |
va009039 | 0:148fca6fd246 | 65 | wait_ms(100); |
va009039 | 0:148fca6fd246 | 66 | |
va009039 | 0:148fca6fd246 | 67 | rc = controlRead(dev, 0x80, GET_DESCRIPTOR, 1<<8, 0, desc, sizeof(desc)); |
va009039 | 0:148fca6fd246 | 68 | USB_TEST_ASSERT(rc == USB_TYPE_OK); |
va009039 | 0:148fca6fd246 | 69 | USB_DBG_HEX(desc, sizeof(desc)); |
va009039 | 0:148fca6fd246 | 70 | |
va009039 | 0:148fca6fd246 | 71 | dev->setVid(dev_desc->idVendor); |
va009039 | 0:148fca6fd246 | 72 | dev->setPid(dev_desc->idProduct); |
va009039 | 0:148fca6fd246 | 73 | dev->setClass(dev_desc->bDeviceClass); |
va009039 | 0:148fca6fd246 | 74 | USB_INFO("parent:%p port:%d speed:%s VID:%04x PID:%04x class:%02x addr:%d", |
va009039 | 0:148fca6fd246 | 75 | parent, port, (lowSpeed ? "low " : "full"), dev->getVid(), dev->getPid(), dev->getClass(), |
va009039 | 0:148fca6fd246 | 76 | dev->getAddress()); |
va009039 | 0:148fca6fd246 | 77 | |
va009039 | 0:148fca6fd246 | 78 | DeviceLists.push_back(dev); |
va009039 | 0:148fca6fd246 | 79 | |
va009039 | 0:148fca6fd246 | 80 | if (dev->getClass() == HUB_CLASS) { |
va009039 | 0:148fca6fd246 | 81 | const int config = 1; |
va009039 | 0:148fca6fd246 | 82 | int rc = controlWrite(dev, 0x00, SET_CONFIGURATION, config, 0, NULL, 0); |
va009039 | 0:148fca6fd246 | 83 | USB_TEST_ASSERT(rc == USB_TYPE_OK); |
va009039 | 0:148fca6fd246 | 84 | wait_ms(100); |
va009039 | 0:148fca6fd246 | 85 | Hub(dev); |
va009039 | 0:148fca6fd246 | 86 | } |
va009039 | 0:148fca6fd246 | 87 | return true; |
va009039 | 0:148fca6fd246 | 88 | } |
va009039 | 0:148fca6fd246 | 89 | |
va009039 | 0:148fca6fd246 | 90 | // enumerate a device with the control USBEndpoint |
va009039 | 0:148fca6fd246 | 91 | USB_TYPE USBHost::enumerate(USBDeviceConnected * dev, IUSBEnumerator* pEnumerator) |
va009039 | 0:148fca6fd246 | 92 | { |
va009039 | 0:148fca6fd246 | 93 | if (dev->getClass() == HUB_CLASS) { // skip hub class |
va009039 | 0:148fca6fd246 | 94 | return USB_TYPE_OK; |
va009039 | 0:148fca6fd246 | 95 | } |
va009039 | 0:148fca6fd246 | 96 | uint8_t desc[18]; |
va009039 | 0:148fca6fd246 | 97 | USB_TYPE rc = controlRead(dev, 0x80, GET_DESCRIPTOR, 1<<8, 0, desc, sizeof(desc)); |
va009039 | 0:148fca6fd246 | 98 | USB_TEST_ASSERT(rc == USB_TYPE_OK); |
va009039 | 0:148fca6fd246 | 99 | USB_DBG_HEX(desc, sizeof(desc)); |
va009039 | 0:148fca6fd246 | 100 | if (rc != USB_TYPE_OK) { |
va009039 | 0:148fca6fd246 | 101 | return rc; |
va009039 | 0:148fca6fd246 | 102 | } |
va009039 | 0:148fca6fd246 | 103 | DeviceDescriptor* dev_desc = reinterpret_cast<DeviceDescriptor*>(desc); |
va009039 | 0:148fca6fd246 | 104 | dev->setClass(dev_desc->bDeviceClass); |
va009039 | 0:148fca6fd246 | 105 | pEnumerator->setVidPid(dev->getVid(), dev->getPid()); |
va009039 | 0:148fca6fd246 | 106 | |
va009039 | 0:148fca6fd246 | 107 | rc = controlRead(dev, 0x80, GET_DESCRIPTOR, 2<<8, 0, desc, 4); |
va009039 | 0:148fca6fd246 | 108 | USB_TEST_ASSERT(rc == USB_TYPE_OK); |
va009039 | 0:148fca6fd246 | 109 | USB_DBG_HEX(desc, 4); |
va009039 | 0:148fca6fd246 | 110 | |
va009039 | 0:148fca6fd246 | 111 | int TotalLength = desc[2]|desc[3]<<8; |
va009039 | 0:148fca6fd246 | 112 | uint8_t* buf = new uint8_t[TotalLength]; |
va009039 | 0:148fca6fd246 | 113 | rc = controlRead(dev, 0x80, GET_DESCRIPTOR, 2<<8, 0, buf, TotalLength); |
va009039 | 0:148fca6fd246 | 114 | USB_TEST_ASSERT(rc == USB_TYPE_OK); |
va009039 | 0:148fca6fd246 | 115 | //USB_DBG_HEX(buf, TotalLength); |
va009039 | 0:148fca6fd246 | 116 | |
va009039 | 0:148fca6fd246 | 117 | // Parse the configuration descriptor |
va009039 | 0:148fca6fd246 | 118 | parseConfDescr(dev, buf, TotalLength, pEnumerator); |
va009039 | 0:148fca6fd246 | 119 | delete[] buf; |
va009039 | 0:148fca6fd246 | 120 | // only set configuration if not enumerated before |
va009039 | 0:148fca6fd246 | 121 | if (!dev->isEnumerated()) { |
va009039 | 0:148fca6fd246 | 122 | USB_DBG("Set configuration 1 on dev: %p", dev); |
va009039 | 0:148fca6fd246 | 123 | // sixth step: set configuration (only 1 supported) |
va009039 | 0:148fca6fd246 | 124 | int config = 1; |
va009039 | 0:148fca6fd246 | 125 | USB_TYPE res = controlWrite(dev, 0x00, SET_CONFIGURATION, config, 0, NULL, 0); |
va009039 | 0:148fca6fd246 | 126 | if (res != USB_TYPE_OK) { |
va009039 | 0:148fca6fd246 | 127 | USB_ERR("SET CONF FAILED"); |
va009039 | 0:148fca6fd246 | 128 | return res; |
va009039 | 0:148fca6fd246 | 129 | } |
va009039 | 0:148fca6fd246 | 130 | // Some devices may require this delay |
va009039 | 0:148fca6fd246 | 131 | wait_ms(100); |
va009039 | 0:148fca6fd246 | 132 | dev->setEnumerated(); |
va009039 | 0:148fca6fd246 | 133 | // Now the device is enumerated! |
va009039 | 0:148fca6fd246 | 134 | USB_DBG("dev %p is enumerated", dev); |
va009039 | 0:148fca6fd246 | 135 | } |
va009039 | 0:148fca6fd246 | 136 | return USB_TYPE_OK; |
va009039 | 0:148fca6fd246 | 137 | } |
va009039 | 0:148fca6fd246 | 138 | |
va009039 | 0:148fca6fd246 | 139 | // this method fills the USBDeviceConnected object: class,.... . It also add endpoints found in the descriptor. |
va009039 | 0:148fca6fd246 | 140 | void USBHost::parseConfDescr(USBDeviceConnected * dev, uint8_t * conf_descr, uint32_t len, IUSBEnumerator* pEnumerator) |
va009039 | 0:148fca6fd246 | 141 | { |
va009039 | 0:148fca6fd246 | 142 | uint32_t index = 0; |
va009039 | 0:148fca6fd246 | 143 | uint32_t len_desc = 0; |
va009039 | 0:148fca6fd246 | 144 | uint8_t id = 0; |
va009039 | 0:148fca6fd246 | 145 | USBEndpoint * ep = NULL; |
va009039 | 0:148fca6fd246 | 146 | uint8_t intf_nb = 0; |
va009039 | 0:148fca6fd246 | 147 | bool parsing_intf = false; |
va009039 | 0:148fca6fd246 | 148 | uint8_t current_intf = 0; |
va009039 | 0:148fca6fd246 | 149 | EndpointDescriptor* ep_desc; |
va009039 | 0:148fca6fd246 | 150 | |
va009039 | 0:148fca6fd246 | 151 | while (index < len) { |
va009039 | 0:148fca6fd246 | 152 | len_desc = conf_descr[index]; |
va009039 | 0:148fca6fd246 | 153 | id = conf_descr[index+1]; |
va009039 | 0:148fca6fd246 | 154 | USB_DBG_HEX(conf_descr+index, len_desc); |
va009039 | 0:148fca6fd246 | 155 | switch (id) { |
va009039 | 0:148fca6fd246 | 156 | case CONFIGURATION_DESCRIPTOR: |
va009039 | 0:148fca6fd246 | 157 | USB_DBG("dev: %p has %d intf", dev, conf_descr[4]); |
va009039 | 0:148fca6fd246 | 158 | dev->setNbIntf(conf_descr[4]); |
va009039 | 0:148fca6fd246 | 159 | break; |
va009039 | 0:148fca6fd246 | 160 | case INTERFACE_DESCRIPTOR: |
va009039 | 0:148fca6fd246 | 161 | if(pEnumerator->parseInterface(conf_descr[index + 2], conf_descr[index + 5], conf_descr[index + 6], conf_descr[index + 7])) { |
va009039 | 0:148fca6fd246 | 162 | intf_nb++; |
va009039 | 0:148fca6fd246 | 163 | current_intf = conf_descr[index + 2]; |
va009039 | 0:148fca6fd246 | 164 | dev->addInterface(current_intf, conf_descr[index + 5], conf_descr[index + 6], conf_descr[index + 7]); |
va009039 | 0:148fca6fd246 | 165 | USB_DBG("ADD INTF %d on device %p: class: %d, subclass: %d, proto: %d", current_intf, dev, conf_descr[index + 5],conf_descr[index + 6],conf_descr[index + 7]); |
va009039 | 0:148fca6fd246 | 166 | parsing_intf = true; |
va009039 | 0:148fca6fd246 | 167 | } else { |
va009039 | 0:148fca6fd246 | 168 | parsing_intf = false; |
va009039 | 0:148fca6fd246 | 169 | } |
va009039 | 0:148fca6fd246 | 170 | break; |
va009039 | 0:148fca6fd246 | 171 | case ENDPOINT_DESCRIPTOR: |
va009039 | 0:148fca6fd246 | 172 | ep_desc = reinterpret_cast<EndpointDescriptor*>(conf_descr+index); |
va009039 | 0:148fca6fd246 | 173 | if (parsing_intf && (intf_nb <= MAX_INTF) ) { |
va009039 | 0:148fca6fd246 | 174 | ENDPOINT_TYPE type = (ENDPOINT_TYPE)(ep_desc->bmAttributes & 0x03); |
va009039 | 0:148fca6fd246 | 175 | ENDPOINT_DIRECTION dir = (ep_desc->bEndpointAddress & 0x80) ? IN : OUT; |
va009039 | 0:148fca6fd246 | 176 | if(pEnumerator->useEndpoint(current_intf, type, dir)) { |
va009039 | 0:148fca6fd246 | 177 | ep = new USBEndpoint(dev); |
va009039 | 0:148fca6fd246 | 178 | ep->init(type, dir, ep_desc->wMaxPacketSize, ep_desc->bEndpointAddress); |
va009039 | 0:148fca6fd246 | 179 | USB_DBG("ADD USBEndpoint %p, on interf %d on device %p", ep, current_intf, dev); |
va009039 | 0:148fca6fd246 | 180 | dev->addEndpoint(current_intf, ep); |
va009039 | 0:148fca6fd246 | 181 | } |
va009039 | 0:148fca6fd246 | 182 | } |
va009039 | 0:148fca6fd246 | 183 | break; |
va009039 | 0:148fca6fd246 | 184 | case HID_DESCRIPTOR: |
va009039 | 0:148fca6fd246 | 185 | //lenReportDescr = conf_descr[index + 7] | (conf_descr[index + 8] << 8); |
va009039 | 0:148fca6fd246 | 186 | break; |
va009039 | 0:148fca6fd246 | 187 | default: |
va009039 | 0:148fca6fd246 | 188 | break; |
va009039 | 0:148fca6fd246 | 189 | } |
va009039 | 0:148fca6fd246 | 190 | index += len_desc; |
va009039 | 0:148fca6fd246 | 191 | } |
va009039 | 0:148fca6fd246 | 192 | } |
va009039 | 0:148fca6fd246 | 193 | |
va009039 | 0:148fca6fd246 | 194 | USB_TYPE USBHost::controlRead(USBDeviceConnected* dev, uint8_t requestType, uint8_t request, uint32_t value, uint32_t index, uint8_t * buf, uint32_t len) { |
va009039 | 0:148fca6fd246 | 195 | USBEndpoint* ep = dev->getEpCtl(); |
va009039 | 0:148fca6fd246 | 196 | return controlRead(ep, requestType, request, value, index, buf, len); |
va009039 | 0:148fca6fd246 | 197 | } |
va009039 | 0:148fca6fd246 | 198 | |
va009039 | 0:148fca6fd246 | 199 | USB_TYPE USBHost::controlWrite(USBDeviceConnected* dev, uint8_t requestType, uint8_t request, uint32_t value, uint32_t index, uint8_t * buf, uint32_t len) { |
va009039 | 0:148fca6fd246 | 200 | USBEndpoint* ep = dev->getEpCtl(); |
va009039 | 0:148fca6fd246 | 201 | return controlWrite(ep, requestType, request, value, index, buf, len); |
va009039 | 0:148fca6fd246 | 202 | } |
va009039 | 0:148fca6fd246 | 203 | |
va009039 | 0:148fca6fd246 | 204 | USB_TYPE USBHost::controlRead(USBEndpoint* ep, uint8_t requestType, uint8_t request, uint32_t value, uint32_t index, uint8_t* buf, uint32_t len) |
va009039 | 0:148fca6fd246 | 205 | { |
va009039 | 0:148fca6fd246 | 206 | SETUP_PACKET setup(requestType, request, value, index, len); |
va009039 | 0:148fca6fd246 | 207 | int result = token_setup(ep, &setup, len); // setup stage |
va009039 | 0:148fca6fd246 | 208 | if (result < 0) { |
va009039 | 0:148fca6fd246 | 209 | return USB_TYPE_ERROR; |
va009039 | 0:148fca6fd246 | 210 | } |
va009039 | 0:148fca6fd246 | 211 | |
va009039 | 0:148fca6fd246 | 212 | result = token_in(ep, buf, len); // data stage |
va009039 | 0:148fca6fd246 | 213 | if (result < 0) { |
va009039 | 0:148fca6fd246 | 214 | return USB_TYPE_ERROR; |
va009039 | 0:148fca6fd246 | 215 | } |
va009039 | 0:148fca6fd246 | 216 | int read_len = result; |
va009039 | 0:148fca6fd246 | 217 | |
va009039 | 0:148fca6fd246 | 218 | ep->m_pED->setToggleDATA1(); |
va009039 | 0:148fca6fd246 | 219 | result = token_out(ep); // status stage |
va009039 | 0:148fca6fd246 | 220 | if (result < 0) { |
va009039 | 0:148fca6fd246 | 221 | return USB_TYPE_ERROR; |
va009039 | 0:148fca6fd246 | 222 | } |
va009039 | 0:148fca6fd246 | 223 | ep->setLengthTransferred(read_len); |
va009039 | 0:148fca6fd246 | 224 | return USB_TYPE_OK; |
va009039 | 0:148fca6fd246 | 225 | } |
va009039 | 0:148fca6fd246 | 226 | |
va009039 | 0:148fca6fd246 | 227 | USB_TYPE USBHost::controlWrite(USBEndpoint* ep, uint8_t requestType, uint8_t request, uint32_t value, uint32_t index, uint8_t * buf, uint32_t len) |
va009039 | 0:148fca6fd246 | 228 | { |
va009039 | 0:148fca6fd246 | 229 | SETUP_PACKET setup(requestType, request, value, index, len); |
va009039 | 0:148fca6fd246 | 230 | int result = token_setup(ep, &setup, len); // setup stage |
va009039 | 0:148fca6fd246 | 231 | if (result < 0) { |
va009039 | 0:148fca6fd246 | 232 | return USB_TYPE_ERROR; |
va009039 | 0:148fca6fd246 | 233 | } |
va009039 | 0:148fca6fd246 | 234 | int write_len = 0; |
va009039 | 0:148fca6fd246 | 235 | if (buf != NULL) { |
va009039 | 0:148fca6fd246 | 236 | result = token_out(ep, buf, len); // data stage |
va009039 | 0:148fca6fd246 | 237 | if (result < 0) { |
va009039 | 0:148fca6fd246 | 238 | return USB_TYPE_ERROR; |
va009039 | 0:148fca6fd246 | 239 | } |
va009039 | 0:148fca6fd246 | 240 | write_len = result; |
va009039 | 0:148fca6fd246 | 241 | } |
va009039 | 0:148fca6fd246 | 242 | ep->m_pED->setToggleDATA1(); |
va009039 | 0:148fca6fd246 | 243 | result = token_in(ep); // status stage |
va009039 | 0:148fca6fd246 | 244 | if (result < 0) { |
va009039 | 0:148fca6fd246 | 245 | return USB_TYPE_ERROR; |
va009039 | 0:148fca6fd246 | 246 | } |
va009039 | 0:148fca6fd246 | 247 | ep->setLengthTransferred(write_len); |
va009039 | 0:148fca6fd246 | 248 | return USB_TYPE_OK; |
va009039 | 0:148fca6fd246 | 249 | } |
va009039 | 0:148fca6fd246 | 250 | |
va009039 | 0:148fca6fd246 | 251 | USB_TYPE USBHost::bulkRead(USBDeviceConnected* dev, USBEndpoint* ep, uint8_t* buf, uint32_t len, bool blocking) { |
va009039 | 0:148fca6fd246 | 252 | if (!blocking) { |
va009039 | 0:148fca6fd246 | 253 | ep->setBuffer(buf, len); |
va009039 | 0:148fca6fd246 | 254 | ep_queue.push(ep); |
va009039 | 0:148fca6fd246 | 255 | token_inNB(ep, buf, len); |
va009039 | 0:148fca6fd246 | 256 | return USB_TYPE_PROCESSING; |
va009039 | 0:148fca6fd246 | 257 | } |
va009039 | 0:148fca6fd246 | 258 | int result = token_in(ep, buf, len); |
va009039 | 0:148fca6fd246 | 259 | if (result >= 0) { |
va009039 | 0:148fca6fd246 | 260 | ep->setLengthTransferred(result); |
va009039 | 0:148fca6fd246 | 261 | return USB_TYPE_OK; |
va009039 | 0:148fca6fd246 | 262 | } |
va009039 | 0:148fca6fd246 | 263 | return USB_TYPE_ERROR; |
va009039 | 0:148fca6fd246 | 264 | } |
va009039 | 0:148fca6fd246 | 265 | |
va009039 | 0:148fca6fd246 | 266 | USB_TYPE USBHost::bulkWrite(USBDeviceConnected * dev, USBEndpoint* ep, uint8_t * buf, uint32_t len, bool blocking) |
va009039 | 0:148fca6fd246 | 267 | { |
va009039 | 0:148fca6fd246 | 268 | int result = token_out(ep, buf, len); |
va009039 | 0:148fca6fd246 | 269 | if (result >= 0) { |
va009039 | 0:148fca6fd246 | 270 | ep->setLengthTransferred(result); |
va009039 | 0:148fca6fd246 | 271 | return USB_TYPE_OK; |
va009039 | 0:148fca6fd246 | 272 | } |
va009039 | 0:148fca6fd246 | 273 | return USB_TYPE_ERROR; |
va009039 | 0:148fca6fd246 | 274 | } |
va009039 | 0:148fca6fd246 | 275 | |
va009039 | 0:148fca6fd246 | 276 | USB_TYPE USBHost::interruptRead(USBDeviceConnected * dev, USBEndpoint* ep, uint8_t* buf, uint32_t len, bool blocking) { |
va009039 | 0:148fca6fd246 | 277 | if (!blocking) { |
va009039 | 0:148fca6fd246 | 278 | ep->setBuffer(buf, len); |
va009039 | 0:148fca6fd246 | 279 | ep_queue.push(ep); |
va009039 | 0:148fca6fd246 | 280 | token_inNB(ep, buf, len); |
va009039 | 0:148fca6fd246 | 281 | return USB_TYPE_PROCESSING; |
va009039 | 0:148fca6fd246 | 282 | } |
va009039 | 0:148fca6fd246 | 283 | int result = token_in(ep, buf, len); |
va009039 | 0:148fca6fd246 | 284 | if (result >= 0) { |
va009039 | 0:148fca6fd246 | 285 | ep->setLengthTransferred(result); |
va009039 | 0:148fca6fd246 | 286 | return USB_TYPE_OK; |
va009039 | 0:148fca6fd246 | 287 | } |
va009039 | 0:148fca6fd246 | 288 | return USB_TYPE_ERROR; |
va009039 | 0:148fca6fd246 | 289 | } |
va009039 | 0:148fca6fd246 | 290 | |
va009039 | 0:148fca6fd246 | 291 | int USBHost::interruptReadNB(USBEndpoint* ep, uint8_t* data, int size) { |
va009039 | 0:148fca6fd246 | 292 | if (ep->getState() != USB_TYPE_PROCESSING) { |
va009039 | 0:148fca6fd246 | 293 | ep->setState(USB_TYPE_PROCESSING); |
va009039 | 0:148fca6fd246 | 294 | ep->setBuffer(data, size); |
va009039 | 0:148fca6fd246 | 295 | token_inNB(ep, data, size); |
va009039 | 0:148fca6fd246 | 296 | } |
va009039 | 0:148fca6fd246 | 297 | if (token_inNB_result(ep) != USB_TYPE_PROCESSING) { |
va009039 | 0:148fca6fd246 | 298 | return ep->getLengthTransferred(); |
va009039 | 0:148fca6fd246 | 299 | } |
va009039 | 0:148fca6fd246 | 300 | return -1; |
va009039 | 0:148fca6fd246 | 301 | } |
va009039 | 0:148fca6fd246 | 302 | |
va009039 | 0:148fca6fd246 | 303 | int USBHost::bulkReadNB(USBEndpoint*ep, uint8_t* data, int size) { |
va009039 | 0:148fca6fd246 | 304 | return interruptReadNB(ep, data, size); |
va009039 | 0:148fca6fd246 | 305 | } |
va009039 | 0:148fca6fd246 | 306 | |
va009039 | 0:148fca6fd246 | 307 | void USBHost::task() { |
va009039 | 0:148fca6fd246 | 308 | USBEndpoint* ep = ep_queue.pop(); |
va009039 | 0:148fca6fd246 | 309 | if (ep) { |
va009039 | 0:148fca6fd246 | 310 | if (token_inNB_result(ep) == USB_TYPE_OK) { |
va009039 | 0:148fca6fd246 | 311 | ep->call(); |
va009039 | 0:148fca6fd246 | 312 | } else { |
va009039 | 0:148fca6fd246 | 313 | ep_queue.push(ep); |
va009039 | 0:148fca6fd246 | 314 | } |
va009039 | 0:148fca6fd246 | 315 | } |
va009039 | 0:148fca6fd246 | 316 | } |
va009039 | 0:148fca6fd246 | 317 |