Norimasa Okamoto
Webcam Server.
Dependencies: uvchost FatFileSystem mbed HTTPServer NetServicesMin
usb/UsbDevice.cpp@0:2b4ea8a138e5, 2012-06-06 (annotated)
- Committer:
- va009039
- Date:
- Wed Jun 06 11:47:06 2012 +0000
- Revision:
- 0:2b4ea8a138e5
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| va009039 | 0:2b4ea8a138e5 | 1 | |
| va009039 | 0:2b4ea8a138e5 | 2 | /* |
| va009039 | 0:2b4ea8a138e5 | 3 | Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com) |
| va009039 | 0:2b4ea8a138e5 | 4 | |
| va009039 | 0:2b4ea8a138e5 | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy |
| va009039 | 0:2b4ea8a138e5 | 6 | of this software and associated documentation files (the "Software"), to deal |
| va009039 | 0:2b4ea8a138e5 | 7 | in the Software without restriction, including without limitation the rights |
| va009039 | 0:2b4ea8a138e5 | 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| va009039 | 0:2b4ea8a138e5 | 9 | copies of the Software, and to permit persons to whom the Software is |
| va009039 | 0:2b4ea8a138e5 | 10 | furnished to do so, subject to the following conditions: |
| va009039 | 0:2b4ea8a138e5 | 11 | |
| va009039 | 0:2b4ea8a138e5 | 12 | The above copyright notice and this permission notice shall be included in |
| va009039 | 0:2b4ea8a138e5 | 13 | all copies or substantial portions of the Software. |
| va009039 | 0:2b4ea8a138e5 | 14 | |
| va009039 | 0:2b4ea8a138e5 | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| va009039 | 0:2b4ea8a138e5 | 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| va009039 | 0:2b4ea8a138e5 | 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| va009039 | 0:2b4ea8a138e5 | 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| va009039 | 0:2b4ea8a138e5 | 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| va009039 | 0:2b4ea8a138e5 | 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| va009039 | 0:2b4ea8a138e5 | 21 | THE SOFTWARE. |
| va009039 | 0:2b4ea8a138e5 | 22 | */ |
| va009039 | 0:2b4ea8a138e5 | 23 | |
| va009039 | 0:2b4ea8a138e5 | 24 | #include "UsbDevice.h" |
| va009039 | 0:2b4ea8a138e5 | 25 | //#define __DEBUG |
| va009039 | 0:2b4ea8a138e5 | 26 | #include "mydbg.h" |
| va009039 | 0:2b4ea8a138e5 | 27 | |
| va009039 | 0:2b4ea8a138e5 | 28 | UsbDevice::UsbDevice( UsbHostMgr* pMgr, int hub, int port, int addr ) : m_pControlEp(NULL), /*m_controlEp( this, 0x00, false, USB_CONTROL, 8 ),*/ |
| va009039 | 0:2b4ea8a138e5 | 29 | m_pMgr(pMgr), m_connected(false), m_enumerated(false), m_hub(hub), m_port(port), m_addr(addr), m_refs(0), |
| va009039 | 0:2b4ea8a138e5 | 30 | m_vid(0), m_pid(0) |
| va009039 | 0:2b4ea8a138e5 | 31 | { |
| va009039 | 0:2b4ea8a138e5 | 32 | m_DeviceClass = 0x00; |
| va009039 | 0:2b4ea8a138e5 | 33 | m_InterfaceClass = 0x00; |
| va009039 | 0:2b4ea8a138e5 | 34 | } |
| va009039 | 0:2b4ea8a138e5 | 35 | |
| va009039 | 0:2b4ea8a138e5 | 36 | UsbDevice::~UsbDevice() |
| va009039 | 0:2b4ea8a138e5 | 37 | { |
| va009039 | 0:2b4ea8a138e5 | 38 | DBG_ASSERT(0); |
| va009039 | 0:2b4ea8a138e5 | 39 | |
| va009039 | 0:2b4ea8a138e5 | 40 | if(m_pControlEp) |
| va009039 | 0:2b4ea8a138e5 | 41 | delete m_pControlEp; |
| va009039 | 0:2b4ea8a138e5 | 42 | } |
| va009039 | 0:2b4ea8a138e5 | 43 | |
| va009039 | 0:2b4ea8a138e5 | 44 | UsbErr UsbDevice::enumerate() |
| va009039 | 0:2b4ea8a138e5 | 45 | { |
| va009039 | 0:2b4ea8a138e5 | 46 | VERBOSE("Hub: %d Port: %d\n", m_hub, m_port); |
| va009039 | 0:2b4ea8a138e5 | 47 | UsbErr rc; |
| va009039 | 0:2b4ea8a138e5 | 48 | DBG("%p m_hub=%d m_port=%d\n", this, m_hub, m_port); |
| va009039 | 0:2b4ea8a138e5 | 49 | DBG_ASSERT(m_pMgr); |
| va009039 | 0:2b4ea8a138e5 | 50 | m_pMgr->resetPort(m_hub, m_port); |
| va009039 | 0:2b4ea8a138e5 | 51 | |
| va009039 | 0:2b4ea8a138e5 | 52 | wait_ms(400); |
| va009039 | 0:2b4ea8a138e5 | 53 | |
| va009039 | 0:2b4ea8a138e5 | 54 | uint8_t temp[8]; |
| va009039 | 0:2b4ea8a138e5 | 55 | DBG_ASSERT(m_pControlEp == NULL); |
| va009039 | 0:2b4ea8a138e5 | 56 | m_pControlEp = new UsbEndpoint( this, 0x00, false, USB_CONTROL, sizeof(temp), 0 ); |
| va009039 | 0:2b4ea8a138e5 | 57 | DBG_ASSERT(m_pControlEp); |
| va009039 | 0:2b4ea8a138e5 | 58 | //EDCtrl->Control = 8 << 16;/* Put max pkt size = 8 */ |
| va009039 | 0:2b4ea8a138e5 | 59 | /* Read first 8 bytes of device desc */ |
| va009039 | 0:2b4ea8a138e5 | 60 | DBG_ASSERT(sizeof(temp) >= 8); |
| va009039 | 0:2b4ea8a138e5 | 61 | //rc = controlReceive( |
| va009039 | 0:2b4ea8a138e5 | 62 | // USB_DEVICE_TO_HOST | USB_RECIPIENT_DEVICE, GET_DESCRIPTOR, |
| va009039 | 0:2b4ea8a138e5 | 63 | // (USB_DESCRIPTOR_TYPE_DEVICE << 8) |(0), 0, temp, sizeof(temp)); |
| va009039 | 0:2b4ea8a138e5 | 64 | //DBG_ASSERT(rc == USBERR_OK); |
| va009039 | 0:2b4ea8a138e5 | 65 | rc = GetDescriptor(USB_DESCRIPTOR_TYPE_DEVICE, 0, temp, sizeof(temp)); |
| va009039 | 0:2b4ea8a138e5 | 66 | if (rc != USBERR_OK) { |
| va009039 | 0:2b4ea8a138e5 | 67 | DBG("rc=%d\n", rc); |
| va009039 | 0:2b4ea8a138e5 | 68 | DBG_ASSERT(rc == USBERR_OK); |
| va009039 | 0:2b4ea8a138e5 | 69 | return rc; |
| va009039 | 0:2b4ea8a138e5 | 70 | } |
| va009039 | 0:2b4ea8a138e5 | 71 | DBG_ASSERT(rc == USBERR_OK); |
| va009039 | 0:2b4ea8a138e5 | 72 | DBG_BYTES("DeviceDescriptor first 8 bytes", temp, sizeof(temp)); |
| va009039 | 0:2b4ea8a138e5 | 73 | DBG_ASSERT(temp[0] == 18); // bLength |
| va009039 | 0:2b4ea8a138e5 | 74 | DBG_ASSERT(temp[1] == 0x01); // bDescriptType |
| va009039 | 0:2b4ea8a138e5 | 75 | if (rc) |
| va009039 | 0:2b4ea8a138e5 | 76 | { |
| va009039 | 0:2b4ea8a138e5 | 77 | DBG("RC=%d",rc); |
| va009039 | 0:2b4ea8a138e5 | 78 | return (rc); |
| va009039 | 0:2b4ea8a138e5 | 79 | } |
| va009039 | 0:2b4ea8a138e5 | 80 | uint8_t bMaxPacketSize = temp[7]; |
| va009039 | 0:2b4ea8a138e5 | 81 | DBG_ASSERT(bMaxPacketSize >= 8); |
| va009039 | 0:2b4ea8a138e5 | 82 | DBG("Got descriptor, max ep size is %d\n", bMaxPacketSize); |
| va009039 | 0:2b4ea8a138e5 | 83 | |
| va009039 | 0:2b4ea8a138e5 | 84 | m_pControlEp->updateSize(bMaxPacketSize); /* Get max pkt size of endpoint 0 */ |
| va009039 | 0:2b4ea8a138e5 | 85 | rc = controlSend(USB_HOST_TO_DEVICE | USB_RECIPIENT_DEVICE, SET_ADDRESS, m_addr, 0, NULL, 0); /* Set the device address to m_addr */ |
| va009039 | 0:2b4ea8a138e5 | 86 | DBG_ASSERT(rc == USBERR_OK); |
| va009039 | 0:2b4ea8a138e5 | 87 | if (rc) |
| va009039 | 0:2b4ea8a138e5 | 88 | { |
| va009039 | 0:2b4ea8a138e5 | 89 | // PRINT_Err(rc); |
| va009039 | 0:2b4ea8a138e5 | 90 | return (rc); |
| va009039 | 0:2b4ea8a138e5 | 91 | } |
| va009039 | 0:2b4ea8a138e5 | 92 | wait_ms(2); |
| va009039 | 0:2b4ea8a138e5 | 93 | //EDCtrl->Control = (EDCtrl->Control) | 1; /* Modify control pipe with address 1 */ |
| va009039 | 0:2b4ea8a138e5 | 94 | |
| va009039 | 0:2b4ea8a138e5 | 95 | //Update address |
| va009039 | 0:2b4ea8a138e5 | 96 | m_pControlEp->updateAddr(m_addr); |
| va009039 | 0:2b4ea8a138e5 | 97 | DBG("Ep addr is now %d", m_addr); |
| va009039 | 0:2b4ea8a138e5 | 98 | /**/ |
| va009039 | 0:2b4ea8a138e5 | 99 | |
| va009039 | 0:2b4ea8a138e5 | 100 | //rc = HOST_GET_DESCRIPTOR(USB_DESCRIPTOR_TYPE_DEVICE, 0, TDBuffer, 17); //Read full device descriptor |
| va009039 | 0:2b4ea8a138e5 | 101 | //rc = controlReceive(USB_DEVICE_TO_HOST | USB_RECIPIENT_DEVICE, GET_DESCRIPTOR, |
| va009039 | 0:2b4ea8a138e5 | 102 | // (USB_DESCRIPTOR_TYPE_DEVICE << 8)|(0), 0, |
| va009039 | 0:2b4ea8a138e5 | 103 | // m_controlDataBuf, 17); |
| va009039 | 0:2b4ea8a138e5 | 104 | uint8_t DeviceDesc[18]; |
| va009039 | 0:2b4ea8a138e5 | 105 | rc = GetDescriptor(USB_DESCRIPTOR_TYPE_DEVICE, 0, DeviceDesc, sizeof(DeviceDesc)); |
| va009039 | 0:2b4ea8a138e5 | 106 | DBG_ASSERT(rc == USBERR_OK); |
| va009039 | 0:2b4ea8a138e5 | 107 | DBG_BYTES("DeviceDescriptor", DeviceDesc, sizeof(DeviceDesc)); |
| va009039 | 0:2b4ea8a138e5 | 108 | DBG_ASSERT(DeviceDesc[0] == 18); |
| va009039 | 0:2b4ea8a138e5 | 109 | DBG_ASSERT(DeviceDesc[1] == 0x01); |
| va009039 | 0:2b4ea8a138e5 | 110 | DBG_ASSERT(DeviceDesc[17] == 1); // bNumConfiguration |
| va009039 | 0:2b4ea8a138e5 | 111 | if (rc) |
| va009039 | 0:2b4ea8a138e5 | 112 | { |
| va009039 | 0:2b4ea8a138e5 | 113 | //PRINT_Err(rc); |
| va009039 | 0:2b4ea8a138e5 | 114 | return (rc); |
| va009039 | 0:2b4ea8a138e5 | 115 | } |
| va009039 | 0:2b4ea8a138e5 | 116 | |
| va009039 | 0:2b4ea8a138e5 | 117 | /* |
| va009039 | 0:2b4ea8a138e5 | 118 | rc = SerialCheckVidPid(); |
| va009039 | 0:2b4ea8a138e5 | 119 | if (rc != OK) { |
| va009039 | 0:2b4ea8a138e5 | 120 | PRINT_Err(rc); |
| va009039 | 0:2b4ea8a138e5 | 121 | return (rc); |
| va009039 | 0:2b4ea8a138e5 | 122 | } |
| va009039 | 0:2b4ea8a138e5 | 123 | */ |
| va009039 | 0:2b4ea8a138e5 | 124 | /**/ |
| va009039 | 0:2b4ea8a138e5 | 125 | m_DeviceClass = DeviceDesc[4]; |
| va009039 | 0:2b4ea8a138e5 | 126 | VERBOSE("DeviceClass: %02X\n", m_DeviceClass); |
| va009039 | 0:2b4ea8a138e5 | 127 | |
| va009039 | 0:2b4ea8a138e5 | 128 | m_vid = *((uint16_t*)&DeviceDesc[8]); |
| va009039 | 0:2b4ea8a138e5 | 129 | m_pid = *((uint16_t*)&DeviceDesc[10]); |
| va009039 | 0:2b4ea8a138e5 | 130 | VERBOSE("Vender: %04X\n", m_vid); |
| va009039 | 0:2b4ea8a138e5 | 131 | VERBOSE("Product: %04X\n", m_pid); |
| va009039 | 0:2b4ea8a138e5 | 132 | int iManufacture = DeviceDesc[14]; |
| va009039 | 0:2b4ea8a138e5 | 133 | if (iManufacture) { |
| va009039 | 0:2b4ea8a138e5 | 134 | char str[64]; |
| va009039 | 0:2b4ea8a138e5 | 135 | rc = GetString(iManufacture, str, sizeof(str)); |
| va009039 | 0:2b4ea8a138e5 | 136 | DBG_ASSERT(rc == USBERR_OK); |
| va009039 | 0:2b4ea8a138e5 | 137 | VERBOSE("Manufacture: %s\n", str); |
| va009039 | 0:2b4ea8a138e5 | 138 | } |
| va009039 | 0:2b4ea8a138e5 | 139 | int iProduct = DeviceDesc[15]; |
| va009039 | 0:2b4ea8a138e5 | 140 | if (iProduct) { |
| va009039 | 0:2b4ea8a138e5 | 141 | char str[64]; |
| va009039 | 0:2b4ea8a138e5 | 142 | rc = GetString(iProduct, str, sizeof(str)); |
| va009039 | 0:2b4ea8a138e5 | 143 | DBG_ASSERT(rc == USBERR_OK); |
| va009039 | 0:2b4ea8a138e5 | 144 | VERBOSE("Product: %s\n", str); |
| va009039 | 0:2b4ea8a138e5 | 145 | } |
| va009039 | 0:2b4ea8a138e5 | 146 | if (DeviceDesc[4] == 0x09) { // Hub |
| va009039 | 0:2b4ea8a138e5 | 147 | return hub_init(); |
| va009039 | 0:2b4ea8a138e5 | 148 | } |
| va009039 | 0:2b4ea8a138e5 | 149 | |
| va009039 | 0:2b4ea8a138e5 | 150 | uint8_t ConfigDesc[9]; |
| va009039 | 0:2b4ea8a138e5 | 151 | int index = 0; |
| va009039 | 0:2b4ea8a138e5 | 152 | rc = GetDescriptor(USB_DESCRIPTOR_TYPE_CONFIGURATION, index, ConfigDesc, sizeof(ConfigDesc)); |
| va009039 | 0:2b4ea8a138e5 | 153 | DBG_ASSERT(rc == USBERR_OK); |
| va009039 | 0:2b4ea8a138e5 | 154 | DBG_BYTES("ConfigDescriptor 9bytes", ConfigDesc, sizeof(ConfigDesc)); |
| va009039 | 0:2b4ea8a138e5 | 155 | DBG_ASSERT(ConfigDesc[0] == 9); |
| va009039 | 0:2b4ea8a138e5 | 156 | DBG_ASSERT(ConfigDesc[1] == 0x02); |
| va009039 | 0:2b4ea8a138e5 | 157 | int wTotalLength = *((uint16_t*)&ConfigDesc[2]); |
| va009039 | 0:2b4ea8a138e5 | 158 | DBG("TotalLength: %d\n", wTotalLength); |
| va009039 | 0:2b4ea8a138e5 | 159 | int bConfigValue = ConfigDesc[5]; |
| va009039 | 0:2b4ea8a138e5 | 160 | DBG_ASSERT(bConfigValue == 1); |
| va009039 | 0:2b4ea8a138e5 | 161 | DBG("ConfigValue: %d\n", bConfigValue); |
| va009039 | 0:2b4ea8a138e5 | 162 | DBG("MaxPower: %d mA\n", ConfigDesc[8]*2); |
| va009039 | 0:2b4ea8a138e5 | 163 | |
| va009039 | 0:2b4ea8a138e5 | 164 | uint8_t* buf = new uint8_t[wTotalLength]; |
| va009039 | 0:2b4ea8a138e5 | 165 | rc = GetDescriptor(USB_DESCRIPTOR_TYPE_CONFIGURATION, index, buf, wTotalLength); |
| va009039 | 0:2b4ea8a138e5 | 166 | DBG_ASSERT(rc == USBERR_OK); |
| va009039 | 0:2b4ea8a138e5 | 167 | DBG_ASSERT(ConfigDesc[1] == 0x02); |
| va009039 | 0:2b4ea8a138e5 | 168 | int pos = 0; |
| va009039 | 0:2b4ea8a138e5 | 169 | while(pos < wTotalLength) { |
| va009039 | 0:2b4ea8a138e5 | 170 | DBG_BYTES("", buf+pos, buf[pos]); |
| va009039 | 0:2b4ea8a138e5 | 171 | if (buf[pos+1] == 4) { // interface ? |
| va009039 | 0:2b4ea8a138e5 | 172 | m_InterfaceClass = buf[pos+5]; |
| va009039 | 0:2b4ea8a138e5 | 173 | VERBOSE("InterfaceClass: %02X\n", m_InterfaceClass); |
| va009039 | 0:2b4ea8a138e5 | 174 | break; |
| va009039 | 0:2b4ea8a138e5 | 175 | } |
| va009039 | 0:2b4ea8a138e5 | 176 | pos += buf[pos]; |
| va009039 | 0:2b4ea8a138e5 | 177 | } |
| va009039 | 0:2b4ea8a138e5 | 178 | delete[] buf; |
| va009039 | 0:2b4ea8a138e5 | 179 | |
| va009039 | 0:2b4ea8a138e5 | 180 | rc = setConfiguration(1); |
| va009039 | 0:2b4ea8a138e5 | 181 | DBG_ASSERT(rc == USBERR_OK); |
| va009039 | 0:2b4ea8a138e5 | 182 | if (rc) |
| va009039 | 0:2b4ea8a138e5 | 183 | { |
| va009039 | 0:2b4ea8a138e5 | 184 | // PRINT_Err(rc); |
| va009039 | 0:2b4ea8a138e5 | 185 | return rc; |
| va009039 | 0:2b4ea8a138e5 | 186 | } |
| va009039 | 0:2b4ea8a138e5 | 187 | wait_ms(100);/* Some devices may require this delay */ |
| va009039 | 0:2b4ea8a138e5 | 188 | |
| va009039 | 0:2b4ea8a138e5 | 189 | m_enumerated = true; |
| va009039 | 0:2b4ea8a138e5 | 190 | return USBERR_OK; |
| va009039 | 0:2b4ea8a138e5 | 191 | } |
| va009039 | 0:2b4ea8a138e5 | 192 | |
| va009039 | 0:2b4ea8a138e5 | 193 | bool UsbDevice::connected() |
| va009039 | 0:2b4ea8a138e5 | 194 | { |
| va009039 | 0:2b4ea8a138e5 | 195 | return m_connected; |
| va009039 | 0:2b4ea8a138e5 | 196 | } |
| va009039 | 0:2b4ea8a138e5 | 197 | |
| va009039 | 0:2b4ea8a138e5 | 198 | bool UsbDevice::enumerated() |
| va009039 | 0:2b4ea8a138e5 | 199 | { |
| va009039 | 0:2b4ea8a138e5 | 200 | return m_enumerated; |
| va009039 | 0:2b4ea8a138e5 | 201 | } |
| va009039 | 0:2b4ea8a138e5 | 202 | |
| va009039 | 0:2b4ea8a138e5 | 203 | int UsbDevice::getPid() |
| va009039 | 0:2b4ea8a138e5 | 204 | { |
| va009039 | 0:2b4ea8a138e5 | 205 | return m_pid; |
| va009039 | 0:2b4ea8a138e5 | 206 | } |
| va009039 | 0:2b4ea8a138e5 | 207 | |
| va009039 | 0:2b4ea8a138e5 | 208 | int UsbDevice::getVid() |
| va009039 | 0:2b4ea8a138e5 | 209 | { |
| va009039 | 0:2b4ea8a138e5 | 210 | return m_vid; |
| va009039 | 0:2b4ea8a138e5 | 211 | } |
| va009039 | 0:2b4ea8a138e5 | 212 | #if 0 |
| va009039 | 0:2b4ea8a138e5 | 213 | UsbErr UsbDevice::getConfigurationDescriptor(int config, uint8_t** pBuf) |
| va009039 | 0:2b4ea8a138e5 | 214 | { |
| va009039 | 0:2b4ea8a138e5 | 215 | DBG_ASSERT(m_controlDataBuf); |
| va009039 | 0:2b4ea8a138e5 | 216 | //For now olny one config |
| va009039 | 0:2b4ea8a138e5 | 217 | *pBuf = m_controlDataBuf; |
| va009039 | 0:2b4ea8a138e5 | 218 | return USBERR_OK; |
| va009039 | 0:2b4ea8a138e5 | 219 | } |
| va009039 | 0:2b4ea8a138e5 | 220 | |
| va009039 | 0:2b4ea8a138e5 | 221 | UsbErr UsbDevice::getInterfaceDescriptor(int config, int item, uint8_t** pBuf) |
| va009039 | 0:2b4ea8a138e5 | 222 | { |
| va009039 | 0:2b4ea8a138e5 | 223 | DBG_ASSERT(m_controlDataBuf); |
| va009039 | 0:2b4ea8a138e5 | 224 | byte* desc_ptr = m_controlDataBuf; |
| va009039 | 0:2b4ea8a138e5 | 225 | |
| va009039 | 0:2b4ea8a138e5 | 226 | /* if (desc_ptr[1] != USB_DESCRIPTOR_TYPE_CONFIGURATION) |
| va009039 | 0:2b4ea8a138e5 | 227 | { |
| va009039 | 0:2b4ea8a138e5 | 228 | return USBERR_BADCONFIG; |
| va009039 | 0:2b4ea8a138e5 | 229 | }*/ |
| va009039 | 0:2b4ea8a138e5 | 230 | DBG_ASSERT(m_controlDataBuf); |
| va009039 | 0:2b4ea8a138e5 | 231 | if(item>=m_controlDataBuf[4])//Interfaces count |
| va009039 | 0:2b4ea8a138e5 | 232 | return USBERR_NOTFOUND; |
| va009039 | 0:2b4ea8a138e5 | 233 | |
| va009039 | 0:2b4ea8a138e5 | 234 | desc_ptr += desc_ptr[0]; |
| va009039 | 0:2b4ea8a138e5 | 235 | |
| va009039 | 0:2b4ea8a138e5 | 236 | *pBuf = NULL; |
| va009039 | 0:2b4ea8a138e5 | 237 | |
| va009039 | 0:2b4ea8a138e5 | 238 | while (desc_ptr < m_controlDataBuf + *((uint16_t*)&m_controlDataBuf[2])) |
| va009039 | 0:2b4ea8a138e5 | 239 | { |
| va009039 | 0:2b4ea8a138e5 | 240 | |
| va009039 | 0:2b4ea8a138e5 | 241 | switch (desc_ptr[1]) { |
| va009039 | 0:2b4ea8a138e5 | 242 | case USB_DESCRIPTOR_TYPE_INTERFACE: |
| va009039 | 0:2b4ea8a138e5 | 243 | if(desc_ptr[2] == item) |
| va009039 | 0:2b4ea8a138e5 | 244 | { |
| va009039 | 0:2b4ea8a138e5 | 245 | *pBuf = desc_ptr; |
| va009039 | 0:2b4ea8a138e5 | 246 | return USBERR_OK; |
| va009039 | 0:2b4ea8a138e5 | 247 | } |
| va009039 | 0:2b4ea8a138e5 | 248 | desc_ptr += desc_ptr[0]; // Move to next descriptor start |
| va009039 | 0:2b4ea8a138e5 | 249 | break; |
| va009039 | 0:2b4ea8a138e5 | 250 | } |
| va009039 | 0:2b4ea8a138e5 | 251 | |
| va009039 | 0:2b4ea8a138e5 | 252 | } |
| va009039 | 0:2b4ea8a138e5 | 253 | |
| va009039 | 0:2b4ea8a138e5 | 254 | if(*pBuf == NULL) |
| va009039 | 0:2b4ea8a138e5 | 255 | return USBERR_NOTFOUND; |
| va009039 | 0:2b4ea8a138e5 | 256 | |
| va009039 | 0:2b4ea8a138e5 | 257 | return USBERR_OK; |
| va009039 | 0:2b4ea8a138e5 | 258 | } |
| va009039 | 0:2b4ea8a138e5 | 259 | #endif |
| va009039 | 0:2b4ea8a138e5 | 260 | |
| va009039 | 0:2b4ea8a138e5 | 261 | UsbErr UsbDevice::setConfiguration(int config) |
| va009039 | 0:2b4ea8a138e5 | 262 | { |
| va009039 | 0:2b4ea8a138e5 | 263 | DBG("config=%d\n", config); |
| va009039 | 0:2b4ea8a138e5 | 264 | DBG_ASSERT(config == 1); |
| va009039 | 0:2b4ea8a138e5 | 265 | UsbErr rc = controlSend( |
| va009039 | 0:2b4ea8a138e5 | 266 | USB_HOST_TO_DEVICE | USB_RECIPIENT_DEVICE, // 0x00 |
| va009039 | 0:2b4ea8a138e5 | 267 | SET_CONFIGURATION, config, 0, 0, 0); |
| va009039 | 0:2b4ea8a138e5 | 268 | return rc; |
| va009039 | 0:2b4ea8a138e5 | 269 | } |
| va009039 | 0:2b4ea8a138e5 | 270 | |
| va009039 | 0:2b4ea8a138e5 | 271 | UsbErr UsbDevice::controlSend(byte requestType, byte request, word value, word index, const byte* buf, int len) |
| va009039 | 0:2b4ea8a138e5 | 272 | { |
| va009039 | 0:2b4ea8a138e5 | 273 | UsbErr rc; |
| va009039 | 0:2b4ea8a138e5 | 274 | fillControlBuf(requestType, request, value, index, len); |
| va009039 | 0:2b4ea8a138e5 | 275 | DBG_ASSERT(m_pControlEp); |
| va009039 | 0:2b4ea8a138e5 | 276 | m_pControlEp->setNextToken(TD_SETUP); |
| va009039 | 0:2b4ea8a138e5 | 277 | rc = m_pControlEp->transfer(m_controlBuf, 8); |
| va009039 | 0:2b4ea8a138e5 | 278 | while(m_pControlEp->status() == USBERR_PROCESSING); |
| va009039 | 0:2b4ea8a138e5 | 279 | rc = (UsbErr) MIN(0, m_pControlEp->status()); |
| va009039 | 0:2b4ea8a138e5 | 280 | if(rc) |
| va009039 | 0:2b4ea8a138e5 | 281 | return rc; |
| va009039 | 0:2b4ea8a138e5 | 282 | if(len) |
| va009039 | 0:2b4ea8a138e5 | 283 | { |
| va009039 | 0:2b4ea8a138e5 | 284 | m_pControlEp->setNextToken(TD_OUT); |
| va009039 | 0:2b4ea8a138e5 | 285 | rc = m_pControlEp->transfer((byte*)buf, len); |
| va009039 | 0:2b4ea8a138e5 | 286 | while(m_pControlEp->status() == USBERR_PROCESSING); |
| va009039 | 0:2b4ea8a138e5 | 287 | rc = (UsbErr) MIN(0, m_pControlEp->status()); |
| va009039 | 0:2b4ea8a138e5 | 288 | if(rc) |
| va009039 | 0:2b4ea8a138e5 | 289 | return rc; |
| va009039 | 0:2b4ea8a138e5 | 290 | } |
| va009039 | 0:2b4ea8a138e5 | 291 | m_pControlEp->setNextToken(TD_IN); |
| va009039 | 0:2b4ea8a138e5 | 292 | rc = m_pControlEp->transfer(NULL, 0); |
| va009039 | 0:2b4ea8a138e5 | 293 | while(m_pControlEp->status() == USBERR_PROCESSING); |
| va009039 | 0:2b4ea8a138e5 | 294 | rc = (UsbErr) MIN(0, m_pControlEp->status()); |
| va009039 | 0:2b4ea8a138e5 | 295 | if(rc) |
| va009039 | 0:2b4ea8a138e5 | 296 | return rc; |
| va009039 | 0:2b4ea8a138e5 | 297 | return USBERR_OK; |
| va009039 | 0:2b4ea8a138e5 | 298 | } |
| va009039 | 0:2b4ea8a138e5 | 299 | |
| va009039 | 0:2b4ea8a138e5 | 300 | UsbErr UsbDevice::controlReceive(byte requestType, byte request, word value, word index, const byte* buf, int len) |
| va009039 | 0:2b4ea8a138e5 | 301 | { |
| va009039 | 0:2b4ea8a138e5 | 302 | DBG("buf=%p len=%d\n", buf, len); |
| va009039 | 0:2b4ea8a138e5 | 303 | UsbErr rc; |
| va009039 | 0:2b4ea8a138e5 | 304 | fillControlBuf(requestType, request, value, index, len); |
| va009039 | 0:2b4ea8a138e5 | 305 | DBG_ASSERT(m_pControlEp); |
| va009039 | 0:2b4ea8a138e5 | 306 | m_pControlEp->setNextToken(TD_SETUP); |
| va009039 | 0:2b4ea8a138e5 | 307 | rc = m_pControlEp->transfer(m_controlBuf, 8); |
| va009039 | 0:2b4ea8a138e5 | 308 | while(m_pControlEp->status() == USBERR_PROCESSING); |
| va009039 | 0:2b4ea8a138e5 | 309 | rc = (UsbErr) MIN(0, m_pControlEp->status()); |
| va009039 | 0:2b4ea8a138e5 | 310 | if(rc) |
| va009039 | 0:2b4ea8a138e5 | 311 | return rc; |
| va009039 | 0:2b4ea8a138e5 | 312 | if(len) |
| va009039 | 0:2b4ea8a138e5 | 313 | { |
| va009039 | 0:2b4ea8a138e5 | 314 | m_pControlEp->setNextToken(TD_IN); |
| va009039 | 0:2b4ea8a138e5 | 315 | rc = m_pControlEp->transfer( (byte*) buf, len); |
| va009039 | 0:2b4ea8a138e5 | 316 | while(m_pControlEp->status() == USBERR_PROCESSING); |
| va009039 | 0:2b4ea8a138e5 | 317 | rc = (UsbErr) MIN(0, m_pControlEp->status()); |
| va009039 | 0:2b4ea8a138e5 | 318 | if(rc) |
| va009039 | 0:2b4ea8a138e5 | 319 | return rc; |
| va009039 | 0:2b4ea8a138e5 | 320 | } |
| va009039 | 0:2b4ea8a138e5 | 321 | m_pControlEp->setNextToken(TD_OUT); |
| va009039 | 0:2b4ea8a138e5 | 322 | rc = m_pControlEp->transfer(NULL, 0); |
| va009039 | 0:2b4ea8a138e5 | 323 | while(m_pControlEp->status() == USBERR_PROCESSING); |
| va009039 | 0:2b4ea8a138e5 | 324 | rc = (UsbErr) MIN(0, m_pControlEp->status()); |
| va009039 | 0:2b4ea8a138e5 | 325 | if(rc) |
| va009039 | 0:2b4ea8a138e5 | 326 | return rc; |
| va009039 | 0:2b4ea8a138e5 | 327 | return USBERR_OK; |
| va009039 | 0:2b4ea8a138e5 | 328 | } |
| va009039 | 0:2b4ea8a138e5 | 329 | |
| va009039 | 0:2b4ea8a138e5 | 330 | UsbErr UsbDevice::GetDescriptor(int type, int index, const byte* buf, int len) |
| va009039 | 0:2b4ea8a138e5 | 331 | { |
| va009039 | 0:2b4ea8a138e5 | 332 | DBG("type=%02X\n", type); |
| va009039 | 0:2b4ea8a138e5 | 333 | return controlReceive( |
| va009039 | 0:2b4ea8a138e5 | 334 | USB_DEVICE_TO_HOST | USB_RECIPIENT_DEVICE, GET_DESCRIPTOR, |
| va009039 | 0:2b4ea8a138e5 | 335 | (type << 8) |(index), 0, buf, len); |
| va009039 | 0:2b4ea8a138e5 | 336 | |
| va009039 | 0:2b4ea8a138e5 | 337 | } |
| va009039 | 0:2b4ea8a138e5 | 338 | |
| va009039 | 0:2b4ea8a138e5 | 339 | UsbErr UsbDevice::GetString(int index, char* buf, int len) |
| va009039 | 0:2b4ea8a138e5 | 340 | { |
| va009039 | 0:2b4ea8a138e5 | 341 | DBG("index=%d buf=%p len=%d\n", index, buf, len); |
| va009039 | 0:2b4ea8a138e5 | 342 | DBG_ASSERT(index >= 1); |
| va009039 | 0:2b4ea8a138e5 | 343 | uint8_t temp[4]; |
| va009039 | 0:2b4ea8a138e5 | 344 | UsbErr rc; |
| va009039 | 0:2b4ea8a138e5 | 345 | rc = GetDescriptor(USB_DESCRIPTOR_TYPE_STRING, 0, temp, sizeof(temp)); |
| va009039 | 0:2b4ea8a138e5 | 346 | DBG_ASSERT(rc == USBERR_OK); |
| va009039 | 0:2b4ea8a138e5 | 347 | DBG_BYTES("LANG_ID", temp, sizeof(temp)); |
| va009039 | 0:2b4ea8a138e5 | 348 | DBG_ASSERT(temp[0] == 4); |
| va009039 | 0:2b4ea8a138e5 | 349 | DBG_ASSERT(temp[1] == 0x03); |
| va009039 | 0:2b4ea8a138e5 | 350 | |
| va009039 | 0:2b4ea8a138e5 | 351 | rc = GetDescriptor(USB_DESCRIPTOR_TYPE_STRING, index, temp, 2); |
| va009039 | 0:2b4ea8a138e5 | 352 | DBG_ASSERT(rc == USBERR_OK); |
| va009039 | 0:2b4ea8a138e5 | 353 | DBG_BYTES("length check", temp, 2); |
| va009039 | 0:2b4ea8a138e5 | 354 | if (temp[0] == 0x00 && temp[1] == 0x00) { // for pl2303 |
| va009039 | 0:2b4ea8a138e5 | 355 | if (len > 0) { |
| va009039 | 0:2b4ea8a138e5 | 356 | strcpy(buf, ""); |
| va009039 | 0:2b4ea8a138e5 | 357 | } |
| va009039 | 0:2b4ea8a138e5 | 358 | return rc; |
| va009039 | 0:2b4ea8a138e5 | 359 | } |
| va009039 | 0:2b4ea8a138e5 | 360 | DBG_ASSERT(temp[1] == 0x03); |
| va009039 | 0:2b4ea8a138e5 | 361 | int temp_len = temp[0]; |
| va009039 | 0:2b4ea8a138e5 | 362 | |
| va009039 | 0:2b4ea8a138e5 | 363 | uint8_t* temp_buf = new uint8_t[temp_len]; |
| va009039 | 0:2b4ea8a138e5 | 364 | DBG_ASSERT(temp_buf); |
| va009039 | 0:2b4ea8a138e5 | 365 | rc = GetDescriptor(USB_DESCRIPTOR_TYPE_STRING, index, temp_buf, temp_len); |
| va009039 | 0:2b4ea8a138e5 | 366 | DBG_ASSERT(rc == USBERR_OK); |
| va009039 | 0:2b4ea8a138e5 | 367 | temp_len = temp_buf[0]; |
| va009039 | 0:2b4ea8a138e5 | 368 | DBG_HEX(temp_buf, temp_len); |
| va009039 | 0:2b4ea8a138e5 | 369 | int i = 0; |
| va009039 | 0:2b4ea8a138e5 | 370 | for(int pos = 2; pos < temp_len; pos+= 2) { |
| va009039 | 0:2b4ea8a138e5 | 371 | buf[i++] = temp_buf[pos]; |
| va009039 | 0:2b4ea8a138e5 | 372 | DBG_ASSERT(i < len-1); |
| va009039 | 0:2b4ea8a138e5 | 373 | } |
| va009039 | 0:2b4ea8a138e5 | 374 | buf[i] = '\0'; |
| va009039 | 0:2b4ea8a138e5 | 375 | delete[] temp_buf; |
| va009039 | 0:2b4ea8a138e5 | 376 | return rc; |
| va009039 | 0:2b4ea8a138e5 | 377 | } |
| va009039 | 0:2b4ea8a138e5 | 378 | |
| va009039 | 0:2b4ea8a138e5 | 379 | UsbErr UsbDevice::SetInterfaceAlternate(int interface, int alternate) |
| va009039 | 0:2b4ea8a138e5 | 380 | { |
| va009039 | 0:2b4ea8a138e5 | 381 | UsbErr rc = controlSend( |
| va009039 | 0:2b4ea8a138e5 | 382 | USB_HOST_TO_DEVICE | USB_RECIPIENT_INTERFACE, |
| va009039 | 0:2b4ea8a138e5 | 383 | SET_INTERFACE, alternate, interface, NULL, 0); |
| va009039 | 0:2b4ea8a138e5 | 384 | return rc; |
| va009039 | 0:2b4ea8a138e5 | 385 | } |
| va009039 | 0:2b4ea8a138e5 | 386 | |
| va009039 | 0:2b4ea8a138e5 | 387 | void UsbDevice::fillControlBuf(byte requestType, byte request, word value, word index, int len) |
| va009039 | 0:2b4ea8a138e5 | 388 | { |
| va009039 | 0:2b4ea8a138e5 | 389 | #ifdef __BIG_ENDIAN |
| va009039 | 0:2b4ea8a138e5 | 390 | #error "Must implement BE to LE conv here" |
| va009039 | 0:2b4ea8a138e5 | 391 | #endif |
| va009039 | 0:2b4ea8a138e5 | 392 | m_controlBuf[0] = requestType; |
| va009039 | 0:2b4ea8a138e5 | 393 | m_controlBuf[1] = request; |
| va009039 | 0:2b4ea8a138e5 | 394 | //We are in LE so it's fine |
| va009039 | 0:2b4ea8a138e5 | 395 | *((word*)&m_controlBuf[2]) = value; |
| va009039 | 0:2b4ea8a138e5 | 396 | *((word*)&m_controlBuf[4]) = index; |
| va009039 | 0:2b4ea8a138e5 | 397 | *((word*)&m_controlBuf[6]) = (word) len; |
| va009039 | 0:2b4ea8a138e5 | 398 | } |
| va009039 | 0:2b4ea8a138e5 | 399 | |
| va009039 | 0:2b4ea8a138e5 | 400 |