UVC host library
Dependents: LifeCam WebcamServer
usb/UsbDevice.cpp@0:b0f04c137829, 2012-07-31 (annotated)
- Committer:
- va009039
- Date:
- Tue Jul 31 13:58:03 2012 +0000
- Revision:
- 0:b0f04c137829
fix probe commit control
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
va009039 | 0:b0f04c137829 | 1 | |
va009039 | 0:b0f04c137829 | 2 | /* |
va009039 | 0:b0f04c137829 | 3 | Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com) |
va009039 | 0:b0f04c137829 | 4 | |
va009039 | 0:b0f04c137829 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy |
va009039 | 0:b0f04c137829 | 6 | of this software and associated documentation files (the "Software"), to deal |
va009039 | 0:b0f04c137829 | 7 | in the Software without restriction, including without limitation the rights |
va009039 | 0:b0f04c137829 | 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
va009039 | 0:b0f04c137829 | 9 | copies of the Software, and to permit persons to whom the Software is |
va009039 | 0:b0f04c137829 | 10 | furnished to do so, subject to the following conditions: |
va009039 | 0:b0f04c137829 | 11 | |
va009039 | 0:b0f04c137829 | 12 | The above copyright notice and this permission notice shall be included in |
va009039 | 0:b0f04c137829 | 13 | all copies or substantial portions of the Software. |
va009039 | 0:b0f04c137829 | 14 | |
va009039 | 0:b0f04c137829 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
va009039 | 0:b0f04c137829 | 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
va009039 | 0:b0f04c137829 | 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
va009039 | 0:b0f04c137829 | 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
va009039 | 0:b0f04c137829 | 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
va009039 | 0:b0f04c137829 | 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
va009039 | 0:b0f04c137829 | 21 | THE SOFTWARE. |
va009039 | 0:b0f04c137829 | 22 | */ |
va009039 | 0:b0f04c137829 | 23 | |
va009039 | 0:b0f04c137829 | 24 | #include "UsbDevice.h" |
va009039 | 0:b0f04c137829 | 25 | //#define __DEBUG |
va009039 | 0:b0f04c137829 | 26 | #include "mydbg.h" |
va009039 | 0:b0f04c137829 | 27 | |
va009039 | 0:b0f04c137829 | 28 | UsbDevice::UsbDevice(UsbHostMgr* pMgr, int hub, int port, int addr, bool lowspeed) : m_pControlEp(NULL), /*m_controlEp( this, 0x00, false, USB_CONTROL, 8 ),*/ |
va009039 | 0:b0f04c137829 | 29 | m_pMgr(pMgr), m_connected(false), m_enumerated(false), m_hub(hub), m_port(port), m_addr(addr), m_refs(0), |
va009039 | 0:b0f04c137829 | 30 | m_vid(0), m_pid(0) |
va009039 | 0:b0f04c137829 | 31 | { |
va009039 | 0:b0f04c137829 | 32 | m_DeviceClass = 0x00; |
va009039 | 0:b0f04c137829 | 33 | m_InterfaceClass = 0x00; |
va009039 | 0:b0f04c137829 | 34 | m_lowspeed = lowspeed; |
va009039 | 0:b0f04c137829 | 35 | } |
va009039 | 0:b0f04c137829 | 36 | |
va009039 | 0:b0f04c137829 | 37 | UsbDevice::~UsbDevice() |
va009039 | 0:b0f04c137829 | 38 | { |
va009039 | 0:b0f04c137829 | 39 | if(m_pControlEp) |
va009039 | 0:b0f04c137829 | 40 | delete m_pControlEp; |
va009039 | 0:b0f04c137829 | 41 | } |
va009039 | 0:b0f04c137829 | 42 | |
va009039 | 0:b0f04c137829 | 43 | UsbErr UsbDevice::enumerate() |
va009039 | 0:b0f04c137829 | 44 | { |
va009039 | 0:b0f04c137829 | 45 | VERBOSE("Hub: %d Port: %d Speed: %s\n", m_hub, m_port, m_lowspeed ? "slow" : "full"); |
va009039 | 0:b0f04c137829 | 46 | UsbErr rc; |
va009039 | 0:b0f04c137829 | 47 | DBG("%p m_hub=%d m_port=%d\n", this, m_hub, m_port); |
va009039 | 0:b0f04c137829 | 48 | DBG_ASSERT(m_pMgr); |
va009039 | 0:b0f04c137829 | 49 | m_pMgr->resetPort(m_hub, m_port); |
va009039 | 0:b0f04c137829 | 50 | |
va009039 | 0:b0f04c137829 | 51 | wait_ms(400); |
va009039 | 0:b0f04c137829 | 52 | |
va009039 | 0:b0f04c137829 | 53 | uint8_t temp[8]; |
va009039 | 0:b0f04c137829 | 54 | DBG_ASSERT(m_pControlEp == NULL); |
va009039 | 0:b0f04c137829 | 55 | m_pControlEp = new UsbEndpoint( this, 0x00, false, USB_CONTROL, sizeof(temp), 0 ); |
va009039 | 0:b0f04c137829 | 56 | DBG_ASSERT(m_pControlEp); |
va009039 | 0:b0f04c137829 | 57 | /* Read first 8 bytes of device desc */ |
va009039 | 0:b0f04c137829 | 58 | DBG_ASSERT(sizeof(temp) >= 8); |
va009039 | 0:b0f04c137829 | 59 | rc = GetDescriptor(USB_DESCRIPTOR_TYPE_DEVICE, 0, temp, sizeof(temp)); |
va009039 | 0:b0f04c137829 | 60 | if (rc != USBERR_OK) { |
va009039 | 0:b0f04c137829 | 61 | DBG("rc=%d\n", rc); |
va009039 | 0:b0f04c137829 | 62 | DBG_ASSERT(rc == USBERR_OK); |
va009039 | 0:b0f04c137829 | 63 | return rc; |
va009039 | 0:b0f04c137829 | 64 | } |
va009039 | 0:b0f04c137829 | 65 | DBG_ASSERT(rc == USBERR_OK); |
va009039 | 0:b0f04c137829 | 66 | DBG_BYTES("DeviceDescriptor first 8 bytes", temp, sizeof(temp)); |
va009039 | 0:b0f04c137829 | 67 | DBG_ASSERT(temp[0] == 18); // bLength |
va009039 | 0:b0f04c137829 | 68 | DBG_ASSERT(temp[1] == 0x01); // bDescriptType |
va009039 | 0:b0f04c137829 | 69 | if (rc) |
va009039 | 0:b0f04c137829 | 70 | { |
va009039 | 0:b0f04c137829 | 71 | DBG("RC=%d",rc); |
va009039 | 0:b0f04c137829 | 72 | return (rc); |
va009039 | 0:b0f04c137829 | 73 | } |
va009039 | 0:b0f04c137829 | 74 | uint8_t bMaxPacketSize = temp[7]; |
va009039 | 0:b0f04c137829 | 75 | DBG_ASSERT(bMaxPacketSize >= 8); |
va009039 | 0:b0f04c137829 | 76 | DBG("Got descriptor, max ep size is %d\n", bMaxPacketSize); |
va009039 | 0:b0f04c137829 | 77 | |
va009039 | 0:b0f04c137829 | 78 | m_pControlEp->updateSize(bMaxPacketSize); /* Get max pkt size of endpoint 0 */ |
va009039 | 0:b0f04c137829 | 79 | rc = controlSend(USB_HOST_TO_DEVICE | USB_RECIPIENT_DEVICE, SET_ADDRESS, m_addr, 0, NULL, 0); /* Set the device address to m_addr */ |
va009039 | 0:b0f04c137829 | 80 | DBG_ASSERT(rc == USBERR_OK); |
va009039 | 0:b0f04c137829 | 81 | if (rc) |
va009039 | 0:b0f04c137829 | 82 | { |
va009039 | 0:b0f04c137829 | 83 | // PRINT_Err(rc); |
va009039 | 0:b0f04c137829 | 84 | return (rc); |
va009039 | 0:b0f04c137829 | 85 | } |
va009039 | 0:b0f04c137829 | 86 | wait_ms(2); |
va009039 | 0:b0f04c137829 | 87 | //EDCtrl->Control = (EDCtrl->Control) | 1; /* Modify control pipe with address 1 */ |
va009039 | 0:b0f04c137829 | 88 | |
va009039 | 0:b0f04c137829 | 89 | //Update address |
va009039 | 0:b0f04c137829 | 90 | m_pControlEp->updateAddr(m_addr); |
va009039 | 0:b0f04c137829 | 91 | DBG("Ep addr is now %d", m_addr); |
va009039 | 0:b0f04c137829 | 92 | |
va009039 | 0:b0f04c137829 | 93 | uint8_t DeviceDesc[18]; |
va009039 | 0:b0f04c137829 | 94 | rc = GetDescriptor(USB_DESCRIPTOR_TYPE_DEVICE, 0, DeviceDesc, sizeof(DeviceDesc)); |
va009039 | 0:b0f04c137829 | 95 | DBG_ASSERT(rc == USBERR_OK); |
va009039 | 0:b0f04c137829 | 96 | DBG_BYTES("DeviceDescriptor", DeviceDesc, sizeof(DeviceDesc)); |
va009039 | 0:b0f04c137829 | 97 | DBG_ASSERT(DeviceDesc[0] == 18); |
va009039 | 0:b0f04c137829 | 98 | DBG_ASSERT(DeviceDesc[1] == 0x01); |
va009039 | 0:b0f04c137829 | 99 | DBG_ASSERT(DeviceDesc[17] == 1); // bNumConfiguration |
va009039 | 0:b0f04c137829 | 100 | if (rc) |
va009039 | 0:b0f04c137829 | 101 | { |
va009039 | 0:b0f04c137829 | 102 | return (rc); |
va009039 | 0:b0f04c137829 | 103 | } |
va009039 | 0:b0f04c137829 | 104 | |
va009039 | 0:b0f04c137829 | 105 | m_DeviceClass = DeviceDesc[4]; |
va009039 | 0:b0f04c137829 | 106 | VERBOSE("DeviceClass: %02X\n", m_DeviceClass); |
va009039 | 0:b0f04c137829 | 107 | |
va009039 | 0:b0f04c137829 | 108 | m_vid = *((uint16_t*)&DeviceDesc[8]); |
va009039 | 0:b0f04c137829 | 109 | m_pid = *((uint16_t*)&DeviceDesc[10]); |
va009039 | 0:b0f04c137829 | 110 | VERBOSE("Vender: %04X\n", m_vid); |
va009039 | 0:b0f04c137829 | 111 | VERBOSE("Product: %04X\n", m_pid); |
va009039 | 0:b0f04c137829 | 112 | int iManufacture = DeviceDesc[14]; |
va009039 | 0:b0f04c137829 | 113 | if (iManufacture) { |
va009039 | 0:b0f04c137829 | 114 | char str[64]; |
va009039 | 0:b0f04c137829 | 115 | rc = GetString(iManufacture, str, sizeof(str)); |
va009039 | 0:b0f04c137829 | 116 | if (rc == USBERR_OK) { |
va009039 | 0:b0f04c137829 | 117 | VERBOSE("Manufacture: %s\n", str); |
va009039 | 0:b0f04c137829 | 118 | } |
va009039 | 0:b0f04c137829 | 119 | } |
va009039 | 0:b0f04c137829 | 120 | int iProduct = DeviceDesc[15]; |
va009039 | 0:b0f04c137829 | 121 | if (iProduct) { |
va009039 | 0:b0f04c137829 | 122 | char str[64]; |
va009039 | 0:b0f04c137829 | 123 | rc = GetString(iProduct, str, sizeof(str)); |
va009039 | 0:b0f04c137829 | 124 | if (rc == USBERR_OK) { |
va009039 | 0:b0f04c137829 | 125 | VERBOSE("Product: %s\n", str); |
va009039 | 0:b0f04c137829 | 126 | } |
va009039 | 0:b0f04c137829 | 127 | } |
va009039 | 0:b0f04c137829 | 128 | if (DeviceDesc[4] == 0x09) { // Hub |
va009039 | 0:b0f04c137829 | 129 | return hub_init(); |
va009039 | 0:b0f04c137829 | 130 | } |
va009039 | 0:b0f04c137829 | 131 | |
va009039 | 0:b0f04c137829 | 132 | uint8_t ConfigDesc[9]; |
va009039 | 0:b0f04c137829 | 133 | int index = 0; |
va009039 | 0:b0f04c137829 | 134 | rc = GetDescriptor(USB_DESCRIPTOR_TYPE_CONFIGURATION, index, ConfigDesc, sizeof(ConfigDesc)); |
va009039 | 0:b0f04c137829 | 135 | DBG_ASSERT(rc == USBERR_OK); |
va009039 | 0:b0f04c137829 | 136 | DBG_BYTES("ConfigDescriptor 9bytes", ConfigDesc, sizeof(ConfigDesc)); |
va009039 | 0:b0f04c137829 | 137 | DBG_ASSERT(ConfigDesc[0] == 9); |
va009039 | 0:b0f04c137829 | 138 | DBG_ASSERT(ConfigDesc[1] == 0x02); |
va009039 | 0:b0f04c137829 | 139 | int wTotalLength = *((uint16_t*)&ConfigDesc[2]); |
va009039 | 0:b0f04c137829 | 140 | DBG("TotalLength: %d\n", wTotalLength); |
va009039 | 0:b0f04c137829 | 141 | int bConfigValue = ConfigDesc[5]; |
va009039 | 0:b0f04c137829 | 142 | DBG_ASSERT(bConfigValue == 1); |
va009039 | 0:b0f04c137829 | 143 | DBG("ConfigValue: %d\n", bConfigValue); |
va009039 | 0:b0f04c137829 | 144 | DBG("MaxPower: %d mA\n", ConfigDesc[8]*2); |
va009039 | 0:b0f04c137829 | 145 | |
va009039 | 0:b0f04c137829 | 146 | uint8_t* buf = new uint8_t[wTotalLength]; |
va009039 | 0:b0f04c137829 | 147 | rc = GetDescriptor(USB_DESCRIPTOR_TYPE_CONFIGURATION, index, buf, wTotalLength); |
va009039 | 0:b0f04c137829 | 148 | DBG_ASSERT(rc == USBERR_OK); |
va009039 | 0:b0f04c137829 | 149 | DBG_ASSERT(ConfigDesc[1] == 0x02); |
va009039 | 0:b0f04c137829 | 150 | int pos = 0; |
va009039 | 0:b0f04c137829 | 151 | while(pos < wTotalLength) { |
va009039 | 0:b0f04c137829 | 152 | DBG_BYTES("", buf+pos, buf[pos]); |
va009039 | 0:b0f04c137829 | 153 | if (buf[pos+1] == 4) { // interface ? |
va009039 | 0:b0f04c137829 | 154 | m_InterfaceClass = buf[pos+5]; |
va009039 | 0:b0f04c137829 | 155 | VERBOSE("InterfaceClass: %02X\n", m_InterfaceClass); |
va009039 | 0:b0f04c137829 | 156 | break; |
va009039 | 0:b0f04c137829 | 157 | } |
va009039 | 0:b0f04c137829 | 158 | pos += buf[pos]; |
va009039 | 0:b0f04c137829 | 159 | } |
va009039 | 0:b0f04c137829 | 160 | delete[] buf; |
va009039 | 0:b0f04c137829 | 161 | |
va009039 | 0:b0f04c137829 | 162 | rc = setConfiguration(1); |
va009039 | 0:b0f04c137829 | 163 | DBG_ASSERT(rc == USBERR_OK); |
va009039 | 0:b0f04c137829 | 164 | if (rc) |
va009039 | 0:b0f04c137829 | 165 | { |
va009039 | 0:b0f04c137829 | 166 | // PRINT_Err(rc); |
va009039 | 0:b0f04c137829 | 167 | return rc; |
va009039 | 0:b0f04c137829 | 168 | } |
va009039 | 0:b0f04c137829 | 169 | wait_ms(100);/* Some devices may require this delay */ |
va009039 | 0:b0f04c137829 | 170 | |
va009039 | 0:b0f04c137829 | 171 | m_enumerated = true; |
va009039 | 0:b0f04c137829 | 172 | return USBERR_OK; |
va009039 | 0:b0f04c137829 | 173 | } |
va009039 | 0:b0f04c137829 | 174 | |
va009039 | 0:b0f04c137829 | 175 | bool UsbDevice::connected() |
va009039 | 0:b0f04c137829 | 176 | { |
va009039 | 0:b0f04c137829 | 177 | return m_connected; |
va009039 | 0:b0f04c137829 | 178 | } |
va009039 | 0:b0f04c137829 | 179 | |
va009039 | 0:b0f04c137829 | 180 | bool UsbDevice::enumerated() |
va009039 | 0:b0f04c137829 | 181 | { |
va009039 | 0:b0f04c137829 | 182 | return m_enumerated; |
va009039 | 0:b0f04c137829 | 183 | } |
va009039 | 0:b0f04c137829 | 184 | |
va009039 | 0:b0f04c137829 | 185 | int UsbDevice::getPid() |
va009039 | 0:b0f04c137829 | 186 | { |
va009039 | 0:b0f04c137829 | 187 | return m_pid; |
va009039 | 0:b0f04c137829 | 188 | } |
va009039 | 0:b0f04c137829 | 189 | |
va009039 | 0:b0f04c137829 | 190 | int UsbDevice::getVid() |
va009039 | 0:b0f04c137829 | 191 | { |
va009039 | 0:b0f04c137829 | 192 | return m_vid; |
va009039 | 0:b0f04c137829 | 193 | } |
va009039 | 0:b0f04c137829 | 194 | |
va009039 | 0:b0f04c137829 | 195 | UsbErr UsbDevice::setConfiguration(int config) |
va009039 | 0:b0f04c137829 | 196 | { |
va009039 | 0:b0f04c137829 | 197 | DBG("config=%d\n", config); |
va009039 | 0:b0f04c137829 | 198 | DBG_ASSERT(config == 1); |
va009039 | 0:b0f04c137829 | 199 | UsbErr rc = controlSend( |
va009039 | 0:b0f04c137829 | 200 | USB_HOST_TO_DEVICE | USB_RECIPIENT_DEVICE, // 0x00 |
va009039 | 0:b0f04c137829 | 201 | SET_CONFIGURATION, config, 0, 0, 0); |
va009039 | 0:b0f04c137829 | 202 | return rc; |
va009039 | 0:b0f04c137829 | 203 | } |
va009039 | 0:b0f04c137829 | 204 | |
va009039 | 0:b0f04c137829 | 205 | UsbErr UsbDevice::controlSend(byte requestType, byte request, word value, word index, const byte* buf, int len) |
va009039 | 0:b0f04c137829 | 206 | { |
va009039 | 0:b0f04c137829 | 207 | UsbErr rc; |
va009039 | 0:b0f04c137829 | 208 | fillControlBuf(requestType, request, value, index, len); |
va009039 | 0:b0f04c137829 | 209 | DBG_ASSERT(m_pControlEp); |
va009039 | 0:b0f04c137829 | 210 | m_pControlEp->setNextToken(TD_SETUP); |
va009039 | 0:b0f04c137829 | 211 | rc = m_pControlEp->transfer(m_controlBuf, 8); |
va009039 | 0:b0f04c137829 | 212 | while(m_pControlEp->status() == USBERR_PROCESSING); |
va009039 | 0:b0f04c137829 | 213 | rc = (UsbErr) MIN(0, m_pControlEp->status()); |
va009039 | 0:b0f04c137829 | 214 | if(rc) |
va009039 | 0:b0f04c137829 | 215 | return rc; |
va009039 | 0:b0f04c137829 | 216 | if(len) |
va009039 | 0:b0f04c137829 | 217 | { |
va009039 | 0:b0f04c137829 | 218 | m_pControlEp->setNextToken(TD_OUT); |
va009039 | 0:b0f04c137829 | 219 | rc = m_pControlEp->transfer((byte*)buf, len); |
va009039 | 0:b0f04c137829 | 220 | while(m_pControlEp->status() == USBERR_PROCESSING); |
va009039 | 0:b0f04c137829 | 221 | rc = (UsbErr) MIN(0, m_pControlEp->status()); |
va009039 | 0:b0f04c137829 | 222 | if(rc) |
va009039 | 0:b0f04c137829 | 223 | return rc; |
va009039 | 0:b0f04c137829 | 224 | } |
va009039 | 0:b0f04c137829 | 225 | m_pControlEp->setNextToken(TD_IN); |
va009039 | 0:b0f04c137829 | 226 | rc = m_pControlEp->transfer(NULL, 0); |
va009039 | 0:b0f04c137829 | 227 | while(m_pControlEp->status() == USBERR_PROCESSING); |
va009039 | 0:b0f04c137829 | 228 | rc = (UsbErr) MIN(0, m_pControlEp->status()); |
va009039 | 0:b0f04c137829 | 229 | if(rc) |
va009039 | 0:b0f04c137829 | 230 | return rc; |
va009039 | 0:b0f04c137829 | 231 | return USBERR_OK; |
va009039 | 0:b0f04c137829 | 232 | } |
va009039 | 0:b0f04c137829 | 233 | |
va009039 | 0:b0f04c137829 | 234 | UsbErr UsbDevice::controlReceive(byte requestType, byte request, word value, word index, const byte* buf, int len) |
va009039 | 0:b0f04c137829 | 235 | { |
va009039 | 0:b0f04c137829 | 236 | DBG("buf=%p len=%d\n", buf, len); |
va009039 | 0:b0f04c137829 | 237 | UsbErr rc; |
va009039 | 0:b0f04c137829 | 238 | fillControlBuf(requestType, request, value, index, len); |
va009039 | 0:b0f04c137829 | 239 | DBG_ASSERT(m_pControlEp); |
va009039 | 0:b0f04c137829 | 240 | m_pControlEp->setNextToken(TD_SETUP); |
va009039 | 0:b0f04c137829 | 241 | rc = m_pControlEp->transfer(m_controlBuf, 8); |
va009039 | 0:b0f04c137829 | 242 | while(m_pControlEp->status() == USBERR_PROCESSING); |
va009039 | 0:b0f04c137829 | 243 | rc = (UsbErr) MIN(0, m_pControlEp->status()); |
va009039 | 0:b0f04c137829 | 244 | if(rc) |
va009039 | 0:b0f04c137829 | 245 | return rc; |
va009039 | 0:b0f04c137829 | 246 | if(len) |
va009039 | 0:b0f04c137829 | 247 | { |
va009039 | 0:b0f04c137829 | 248 | m_pControlEp->setNextToken(TD_IN); |
va009039 | 0:b0f04c137829 | 249 | rc = m_pControlEp->transfer( (byte*) buf, len); |
va009039 | 0:b0f04c137829 | 250 | while(m_pControlEp->status() == USBERR_PROCESSING); |
va009039 | 0:b0f04c137829 | 251 | rc = (UsbErr) MIN(0, m_pControlEp->status()); |
va009039 | 0:b0f04c137829 | 252 | if(rc) |
va009039 | 0:b0f04c137829 | 253 | return rc; |
va009039 | 0:b0f04c137829 | 254 | } |
va009039 | 0:b0f04c137829 | 255 | m_pControlEp->setNextToken(TD_OUT); |
va009039 | 0:b0f04c137829 | 256 | rc = m_pControlEp->transfer(NULL, 0); |
va009039 | 0:b0f04c137829 | 257 | while(m_pControlEp->status() == USBERR_PROCESSING); |
va009039 | 0:b0f04c137829 | 258 | rc = (UsbErr) MIN(0, m_pControlEp->status()); |
va009039 | 0:b0f04c137829 | 259 | if(rc) |
va009039 | 0:b0f04c137829 | 260 | return rc; |
va009039 | 0:b0f04c137829 | 261 | return USBERR_OK; |
va009039 | 0:b0f04c137829 | 262 | } |
va009039 | 0:b0f04c137829 | 263 | |
va009039 | 0:b0f04c137829 | 264 | UsbErr UsbDevice::GetDescriptor(int type, int index, const byte* buf, int len) |
va009039 | 0:b0f04c137829 | 265 | { |
va009039 | 0:b0f04c137829 | 266 | DBG("type=%02X\n", type); |
va009039 | 0:b0f04c137829 | 267 | return controlReceive( |
va009039 | 0:b0f04c137829 | 268 | USB_DEVICE_TO_HOST | USB_RECIPIENT_DEVICE, GET_DESCRIPTOR, |
va009039 | 0:b0f04c137829 | 269 | (type << 8) |(index), 0, buf, len); |
va009039 | 0:b0f04c137829 | 270 | |
va009039 | 0:b0f04c137829 | 271 | } |
va009039 | 0:b0f04c137829 | 272 | |
va009039 | 0:b0f04c137829 | 273 | UsbErr UsbDevice::GetString(int index, char* buf, int len) |
va009039 | 0:b0f04c137829 | 274 | { |
va009039 | 0:b0f04c137829 | 275 | DBG("index=%d buf=%p len=%d\n", index, buf, len); |
va009039 | 0:b0f04c137829 | 276 | DBG_ASSERT(index >= 1); |
va009039 | 0:b0f04c137829 | 277 | uint8_t temp[4]; |
va009039 | 0:b0f04c137829 | 278 | UsbErr rc; |
va009039 | 0:b0f04c137829 | 279 | rc = GetDescriptor(USB_DESCRIPTOR_TYPE_STRING, 0, temp, sizeof(temp)); |
va009039 | 0:b0f04c137829 | 280 | DBG_ASSERT(rc == USBERR_OK); |
va009039 | 0:b0f04c137829 | 281 | DBG_BYTES("LANG_ID", temp, sizeof(temp)); |
va009039 | 0:b0f04c137829 | 282 | DBG_ASSERT(temp[0] == 4); |
va009039 | 0:b0f04c137829 | 283 | DBG_ASSERT(temp[1] == 0x03); |
va009039 | 0:b0f04c137829 | 284 | |
va009039 | 0:b0f04c137829 | 285 | rc = GetDescriptor(USB_DESCRIPTOR_TYPE_STRING, index, temp, 2); |
va009039 | 0:b0f04c137829 | 286 | if (rc != USBERR_OK) { |
va009039 | 0:b0f04c137829 | 287 | return rc; |
va009039 | 0:b0f04c137829 | 288 | } |
va009039 | 0:b0f04c137829 | 289 | DBG_BYTES("length check", temp, 2); |
va009039 | 0:b0f04c137829 | 290 | if (temp[0] == 0x00 && temp[1] == 0x00) { // for pl2303 |
va009039 | 0:b0f04c137829 | 291 | if (len > 0) { |
va009039 | 0:b0f04c137829 | 292 | strcpy(buf, ""); |
va009039 | 0:b0f04c137829 | 293 | } |
va009039 | 0:b0f04c137829 | 294 | return rc; |
va009039 | 0:b0f04c137829 | 295 | } |
va009039 | 0:b0f04c137829 | 296 | DBG_ASSERT(temp[1] == 0x03); |
va009039 | 0:b0f04c137829 | 297 | int temp_len = temp[0]; |
va009039 | 0:b0f04c137829 | 298 | |
va009039 | 0:b0f04c137829 | 299 | uint8_t* temp_buf = new uint8_t[temp_len]; |
va009039 | 0:b0f04c137829 | 300 | DBG_ASSERT(temp_buf); |
va009039 | 0:b0f04c137829 | 301 | rc = GetDescriptor(USB_DESCRIPTOR_TYPE_STRING, index, temp_buf, temp_len); |
va009039 | 0:b0f04c137829 | 302 | DBG_ASSERT(rc == USBERR_OK); |
va009039 | 0:b0f04c137829 | 303 | temp_len = temp_buf[0]; |
va009039 | 0:b0f04c137829 | 304 | DBG_HEX(temp_buf, temp_len); |
va009039 | 0:b0f04c137829 | 305 | int i = 0; |
va009039 | 0:b0f04c137829 | 306 | for(int pos = 2; pos < temp_len; pos+= 2) { |
va009039 | 0:b0f04c137829 | 307 | buf[i++] = temp_buf[pos]; |
va009039 | 0:b0f04c137829 | 308 | DBG_ASSERT(i < len-1); |
va009039 | 0:b0f04c137829 | 309 | } |
va009039 | 0:b0f04c137829 | 310 | buf[i] = '\0'; |
va009039 | 0:b0f04c137829 | 311 | delete[] temp_buf; |
va009039 | 0:b0f04c137829 | 312 | return rc; |
va009039 | 0:b0f04c137829 | 313 | } |
va009039 | 0:b0f04c137829 | 314 | |
va009039 | 0:b0f04c137829 | 315 | UsbErr UsbDevice::SetInterfaceAlternate(int interface, int alternate) |
va009039 | 0:b0f04c137829 | 316 | { |
va009039 | 0:b0f04c137829 | 317 | UsbErr rc = controlSend( |
va009039 | 0:b0f04c137829 | 318 | USB_HOST_TO_DEVICE | USB_RECIPIENT_INTERFACE, |
va009039 | 0:b0f04c137829 | 319 | SET_INTERFACE, alternate, interface, NULL, 0); |
va009039 | 0:b0f04c137829 | 320 | return rc; |
va009039 | 0:b0f04c137829 | 321 | } |
va009039 | 0:b0f04c137829 | 322 | |
va009039 | 0:b0f04c137829 | 323 | void UsbDevice::fillControlBuf(byte requestType, byte request, word value, word index, int len) |
va009039 | 0:b0f04c137829 | 324 | { |
va009039 | 0:b0f04c137829 | 325 | #ifdef __BIG_ENDIAN |
va009039 | 0:b0f04c137829 | 326 | #error "Must implement BE to LE conv here" |
va009039 | 0:b0f04c137829 | 327 | #endif |
va009039 | 0:b0f04c137829 | 328 | m_controlBuf[0] = requestType; |
va009039 | 0:b0f04c137829 | 329 | m_controlBuf[1] = request; |
va009039 | 0:b0f04c137829 | 330 | //We are in LE so it's fine |
va009039 | 0:b0f04c137829 | 331 | *((word*)&m_controlBuf[2]) = value; |
va009039 | 0:b0f04c137829 | 332 | *((word*)&m_controlBuf[4]) = index; |
va009039 | 0:b0f04c137829 | 333 | *((word*)&m_controlBuf[6]) = (word) len; |
va009039 | 0:b0f04c137829 | 334 | } |
va009039 | 0:b0f04c137829 | 335 | |
va009039 | 0:b0f04c137829 | 336 | void UsbDevice::DeleteControlEp() |
va009039 | 0:b0f04c137829 | 337 | { |
va009039 | 0:b0f04c137829 | 338 | delete m_pControlEp; |
va009039 | 0:b0f04c137829 | 339 | } |