Rod Coleman / NetServices

Netservices modded to read fragmented HTTP respsonse/payload from special purpose server - 180 bytes only

drv/usb/UsbDevice.cpp@0:8f5825f330b0, 2011-09-08 (annotated)

Committer:
RodColeman
Date:
Thu Sep 08 10:41:36 2011 +0000
Revision:
0:8f5825f330b0
setDataLen hacked to 180bytes

Who changed what in which revision?

UserRevisionLine numberNew contents of line
RodColeman 0:8f5825f330b0 1
RodColeman 0:8f5825f330b0 2 /*
RodColeman 0:8f5825f330b0 3 Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com)
RodColeman 0:8f5825f330b0 4
RodColeman 0:8f5825f330b0 5 Permission is hereby granted, free of charge, to any person obtaining a copy
RodColeman 0:8f5825f330b0 6 of this software and associated documentation files (the "Software"), to deal
RodColeman 0:8f5825f330b0 7 in the Software without restriction, including without limitation the rights
RodColeman 0:8f5825f330b0 8 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
RodColeman 0:8f5825f330b0 9 copies of the Software, and to permit persons to whom the Software is
RodColeman 0:8f5825f330b0 10 furnished to do so, subject to the following conditions:
RodColeman 0:8f5825f330b0 11
RodColeman 0:8f5825f330b0 12 The above copyright notice and this permission notice shall be included in
RodColeman 0:8f5825f330b0 13 all copies or substantial portions of the Software.
RodColeman 0:8f5825f330b0 14
RodColeman 0:8f5825f330b0 15 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
RodColeman 0:8f5825f330b0 16 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
RodColeman 0:8f5825f330b0 17 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
RodColeman 0:8f5825f330b0 18 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
RodColeman 0:8f5825f330b0 19 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
RodColeman 0:8f5825f330b0 20 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
RodColeman 0:8f5825f330b0 21 THE SOFTWARE.
RodColeman 0:8f5825f330b0 22 */
RodColeman 0:8f5825f330b0 23
RodColeman 0:8f5825f330b0 24 #include "UsbDevice.h"
RodColeman 0:8f5825f330b0 25
RodColeman 0:8f5825f330b0 26 #include "netCfg.h"
RodColeman 0:8f5825f330b0 27 #if NET_USB
RodColeman 0:8f5825f330b0 28
RodColeman 0:8f5825f330b0 29 //#define __DEBUG
RodColeman 0:8f5825f330b0 30 #include "dbg/dbg.h"
RodColeman 0:8f5825f330b0 31
RodColeman 0:8f5825f330b0 32 UsbDevice::UsbDevice( UsbHostMgr* pMgr, int hub, int port, int addr ) : m_pControlEp(NULL), /*m_controlEp( this, 0x00, false, USB_CONTROL, 8 ),*/
RodColeman 0:8f5825f330b0 33 m_pMgr(pMgr), m_connected(false), m_enumerated(false), m_hub(hub), m_port(port), m_addr(addr), m_refs(0),
RodColeman 0:8f5825f330b0 34 m_vid(0), m_pid(0)
RodColeman 0:8f5825f330b0 35 {
RodColeman 0:8f5825f330b0 36
RodColeman 0:8f5825f330b0 37 }
RodColeman 0:8f5825f330b0 38
RodColeman 0:8f5825f330b0 39 UsbDevice::~UsbDevice()
RodColeman 0:8f5825f330b0 40 {
RodColeman 0:8f5825f330b0 41 if(m_pControlEp)
RodColeman 0:8f5825f330b0 42 delete m_pControlEp;
RodColeman 0:8f5825f330b0 43 }
RodColeman 0:8f5825f330b0 44
RodColeman 0:8f5825f330b0 45 UsbErr UsbDevice::enumerate()
RodColeman 0:8f5825f330b0 46 {
RodColeman 0:8f5825f330b0 47 // USB_INT32S rc;
RodColeman 0:8f5825f330b0 48
RodColeman 0:8f5825f330b0 49 UsbErr rc;
RodColeman 0:8f5825f330b0 50
RodColeman 0:8f5825f330b0 51 DBG("Starting enumeration (m_pMgr = %p)\n", m_pMgr);
RodColeman 0:8f5825f330b0 52
RodColeman 0:8f5825f330b0 53 #if 1
RodColeman 0:8f5825f330b0 54 m_pMgr->resetPort(m_hub, m_port);
RodColeman 0:8f5825f330b0 55 #else
RodColeman 0:8f5825f330b0 56 wait_ms(100); /* USB 2.0 spec says atleast 50ms delay beore port reset */
RodColeman 0:8f5825f330b0 57 LPC_USB->HcRhPortStatus1 = OR_RH_PORT_PRS; // Initiate port reset
RodColeman 0:8f5825f330b0 58 while (LPC_USB->HcRhPortStatus1 & OR_RH_PORT_PRS)
RodColeman 0:8f5825f330b0 59 __WFI(); // Wait for port reset to complete...
RodColeman 0:8f5825f330b0 60 LPC_USB->HcRhPortStatus1 = OR_RH_PORT_PRSC; // ...and clear port reset signal
RodColeman 0:8f5825f330b0 61 wait_ms(200); /* Wait for 100 MS after port reset */
RodColeman 0:8f5825f330b0 62 #endif
RodColeman 0:8f5825f330b0 63
RodColeman 0:8f5825f330b0 64 DBG("Port reset\n");
RodColeman 0:8f5825f330b0 65
RodColeman 0:8f5825f330b0 66 wait_ms(200);
RodColeman 0:8f5825f330b0 67
RodColeman 0:8f5825f330b0 68 m_pControlEp = new UsbEndpoint( this, 0x00, false, USB_CONTROL, 8, 0 );
RodColeman 0:8f5825f330b0 69
RodColeman 0:8f5825f330b0 70 //EDCtrl->Control = 8 << 16;/* Put max pkt size = 8 */
RodColeman 0:8f5825f330b0 71 /* Read first 8 bytes of device desc */
RodColeman 0:8f5825f330b0 72 rc = controlReceive(USB_DEVICE_TO_HOST | USB_RECIPIENT_DEVICE, GET_DESCRIPTOR, (USB_DESCRIPTOR_TYPE_DEVICE << 8)|(0), 0, m_controlDataBuf, 8);
RodColeman 0:8f5825f330b0 73 if (rc)
RodColeman 0:8f5825f330b0 74 {
RodColeman 0:8f5825f330b0 75 DBG("RC=%d",rc);
RodColeman 0:8f5825f330b0 76 return (rc);
RodColeman 0:8f5825f330b0 77 }
RodColeman 0:8f5825f330b0 78
RodColeman 0:8f5825f330b0 79 DBG("Got descriptor, max ep size is %d\n", m_controlDataBuf[7]);
RodColeman 0:8f5825f330b0 80
RodColeman 0:8f5825f330b0 81 m_pControlEp->updateSize(m_controlDataBuf[7]); /* Get max pkt size of endpoint 0 */
RodColeman 0:8f5825f330b0 82 rc = controlSend(USB_HOST_TO_DEVICE | USB_RECIPIENT_DEVICE, SET_ADDRESS, m_addr, 0, NULL, 0); /* Set the device address to m_addr */
RodColeman 0:8f5825f330b0 83 if (rc)
RodColeman 0:8f5825f330b0 84 {
RodColeman 0:8f5825f330b0 85 // PRINT_Err(rc);
RodColeman 0:8f5825f330b0 86 return (rc);
RodColeman 0:8f5825f330b0 87 }
RodColeman 0:8f5825f330b0 88 wait_ms(2);
RodColeman 0:8f5825f330b0 89 //EDCtrl->Control = (EDCtrl->Control) | 1; /* Modify control pipe with address 1 */
RodColeman 0:8f5825f330b0 90
RodColeman 0:8f5825f330b0 91 //Update address
RodColeman 0:8f5825f330b0 92 m_pControlEp->updateAddr(m_addr);
RodColeman 0:8f5825f330b0 93 DBG("Ep addr is now %d", m_addr);
RodColeman 0:8f5825f330b0 94 /**/
RodColeman 0:8f5825f330b0 95
RodColeman 0:8f5825f330b0 96 //rc = HOST_GET_DESCRIPTOR(USB_DESCRIPTOR_TYPE_DEVICE, 0, TDBuffer, 17); //Read full device descriptor
RodColeman 0:8f5825f330b0 97 rc = controlReceive(USB_DEVICE_TO_HOST | USB_RECIPIENT_DEVICE, GET_DESCRIPTOR, (USB_DESCRIPTOR_TYPE_DEVICE << 8)|(0), 0, m_controlDataBuf, 17);
RodColeman 0:8f5825f330b0 98 if (rc)
RodColeman 0:8f5825f330b0 99 {
RodColeman 0:8f5825f330b0 100 //PRINT_Err(rc);
RodColeman 0:8f5825f330b0 101 return (rc);
RodColeman 0:8f5825f330b0 102 }
RodColeman 0:8f5825f330b0 103 /*
RodColeman 0:8f5825f330b0 104 rc = SerialCheckVidPid();
RodColeman 0:8f5825f330b0 105 if (rc != OK) {
RodColeman 0:8f5825f330b0 106 PRINT_Err(rc);
RodColeman 0:8f5825f330b0 107 return (rc);
RodColeman 0:8f5825f330b0 108 }
RodColeman 0:8f5825f330b0 109 */
RodColeman 0:8f5825f330b0 110 /**/
RodColeman 0:8f5825f330b0 111
RodColeman 0:8f5825f330b0 112 m_vid = *((uint16_t*)&m_controlDataBuf[8]);
RodColeman 0:8f5825f330b0 113 m_pid = *((uint16_t*)&m_controlDataBuf[10]);
RodColeman 0:8f5825f330b0 114
RodColeman 0:8f5825f330b0 115 DBG("VID: %02x, PID: %02x\n", m_vid, m_pid);
RodColeman 0:8f5825f330b0 116 /* Get the configuration descriptor */
RodColeman 0:8f5825f330b0 117 //rc = HOST_GET_DESCRIPTOR(USB_DESCRIPTOR_TYPE_CONFIGURATION, 0, TDBuffer, 9);
RodColeman 0:8f5825f330b0 118 rc = controlReceive(USB_DEVICE_TO_HOST | USB_RECIPIENT_DEVICE, GET_DESCRIPTOR, (USB_DESCRIPTOR_TYPE_CONFIGURATION << 8)|(0), 0, m_controlDataBuf, 9);
RodColeman 0:8f5825f330b0 119 if (rc)
RodColeman 0:8f5825f330b0 120 {
RodColeman 0:8f5825f330b0 121 //PRINT_Err(rc);
RodColeman 0:8f5825f330b0 122 return (rc);
RodColeman 0:8f5825f330b0 123 }
RodColeman 0:8f5825f330b0 124 /* Get the first configuration data */
RodColeman 0:8f5825f330b0 125 //rc = HOST_GET_DESCRIPTOR(USB_DESCRIPTOR_TYPE_CONFIGURATION, 0, TDBuffer, *((uint16_t*)&TDBuffer[2]));
RodColeman 0:8f5825f330b0 126 rc = controlReceive(USB_DEVICE_TO_HOST | USB_RECIPIENT_DEVICE, GET_DESCRIPTOR, (USB_DESCRIPTOR_TYPE_CONFIGURATION << 8)|(0), 0, m_controlDataBuf, *((uint16_t*)&m_controlDataBuf[2]));
RodColeman 0:8f5825f330b0 127 if (rc)
RodColeman 0:8f5825f330b0 128 {
RodColeman 0:8f5825f330b0 129 //PRINT_Err(rc);
RodColeman 0:8f5825f330b0 130 return (rc);
RodColeman 0:8f5825f330b0 131 }
RodColeman 0:8f5825f330b0 132
RodColeman 0:8f5825f330b0 133 DBG("Desc len is %d\n", *((uint16_t*)&m_controlDataBuf[2]));
RodColeman 0:8f5825f330b0 134
RodColeman 0:8f5825f330b0 135 DBG("Set configuration\n");
RodColeman 0:8f5825f330b0 136
RodColeman 0:8f5825f330b0 137 //rc = USBH_SET_CONFIGURATION(1);/* Select device configuration 1 */
RodColeman 0:8f5825f330b0 138 rc = controlSend(USB_HOST_TO_DEVICE | USB_RECIPIENT_DEVICE, SET_CONFIGURATION, 1, 0, NULL, 0);
RodColeman 0:8f5825f330b0 139 if (rc)
RodColeman 0:8f5825f330b0 140 {
RodColeman 0:8f5825f330b0 141 // PRINT_Err(rc);
RodColeman 0:8f5825f330b0 142 return rc;
RodColeman 0:8f5825f330b0 143 }
RodColeman 0:8f5825f330b0 144 wait_ms(100);/* Some devices may require this delay */
RodColeman 0:8f5825f330b0 145
RodColeman 0:8f5825f330b0 146 m_enumerated = true;
RodColeman 0:8f5825f330b0 147 return USBERR_OK;
RodColeman 0:8f5825f330b0 148 }
RodColeman 0:8f5825f330b0 149
RodColeman 0:8f5825f330b0 150 bool UsbDevice::connected()
RodColeman 0:8f5825f330b0 151 {
RodColeman 0:8f5825f330b0 152 return m_connected;
RodColeman 0:8f5825f330b0 153 }
RodColeman 0:8f5825f330b0 154
RodColeman 0:8f5825f330b0 155 bool UsbDevice::enumerated()
RodColeman 0:8f5825f330b0 156 {
RodColeman 0:8f5825f330b0 157 return m_enumerated;
RodColeman 0:8f5825f330b0 158 }
RodColeman 0:8f5825f330b0 159
RodColeman 0:8f5825f330b0 160 int UsbDevice::getPid()
RodColeman 0:8f5825f330b0 161 {
RodColeman 0:8f5825f330b0 162 return m_pid;
RodColeman 0:8f5825f330b0 163 }
RodColeman 0:8f5825f330b0 164
RodColeman 0:8f5825f330b0 165 int UsbDevice::getVid()
RodColeman 0:8f5825f330b0 166 {
RodColeman 0:8f5825f330b0 167 return m_vid;
RodColeman 0:8f5825f330b0 168 }
RodColeman 0:8f5825f330b0 169
RodColeman 0:8f5825f330b0 170 UsbErr UsbDevice::getConfigurationDescriptor(int config, uint8_t** pBuf)
RodColeman 0:8f5825f330b0 171 {
RodColeman 0:8f5825f330b0 172 //For now olny one config
RodColeman 0:8f5825f330b0 173 *pBuf = m_controlDataBuf;
RodColeman 0:8f5825f330b0 174 return USBERR_OK;
RodColeman 0:8f5825f330b0 175 }
RodColeman 0:8f5825f330b0 176
RodColeman 0:8f5825f330b0 177 UsbErr UsbDevice::getInterfaceDescriptor(int config, int item, uint8_t** pBuf)
RodColeman 0:8f5825f330b0 178 {
RodColeman 0:8f5825f330b0 179 byte* desc_ptr = m_controlDataBuf;
RodColeman 0:8f5825f330b0 180
RodColeman 0:8f5825f330b0 181 /* if (desc_ptr[1] != USB_DESCRIPTOR_TYPE_CONFIGURATION)
RodColeman 0:8f5825f330b0 182 {
RodColeman 0:8f5825f330b0 183 return USBERR_BADCONFIG;
RodColeman 0:8f5825f330b0 184 }*/
RodColeman 0:8f5825f330b0 185
RodColeman 0:8f5825f330b0 186 if(item>=m_controlDataBuf[4])//Interfaces count
RodColeman 0:8f5825f330b0 187 return USBERR_NOTFOUND;
RodColeman 0:8f5825f330b0 188
RodColeman 0:8f5825f330b0 189 desc_ptr += desc_ptr[0];
RodColeman 0:8f5825f330b0 190
RodColeman 0:8f5825f330b0 191 *pBuf = NULL;
RodColeman 0:8f5825f330b0 192
RodColeman 0:8f5825f330b0 193 while (desc_ptr < m_controlDataBuf + *((uint16_t*)&m_controlDataBuf[2]))
RodColeman 0:8f5825f330b0 194 {
RodColeman 0:8f5825f330b0 195
RodColeman 0:8f5825f330b0 196 switch (desc_ptr[1]) {
RodColeman 0:8f5825f330b0 197 case USB_DESCRIPTOR_TYPE_INTERFACE:
RodColeman 0:8f5825f330b0 198 if(desc_ptr[2] == item)
RodColeman 0:8f5825f330b0 199 {
RodColeman 0:8f5825f330b0 200 *pBuf = desc_ptr;
RodColeman 0:8f5825f330b0 201 return USBERR_OK;
RodColeman 0:8f5825f330b0 202 }
RodColeman 0:8f5825f330b0 203 desc_ptr += desc_ptr[0]; // Move to next descriptor start
RodColeman 0:8f5825f330b0 204 break;
RodColeman 0:8f5825f330b0 205 }
RodColeman 0:8f5825f330b0 206
RodColeman 0:8f5825f330b0 207 }
RodColeman 0:8f5825f330b0 208
RodColeman 0:8f5825f330b0 209 if(*pBuf == NULL)
RodColeman 0:8f5825f330b0 210 return USBERR_NOTFOUND;
RodColeman 0:8f5825f330b0 211
RodColeman 0:8f5825f330b0 212 return USBERR_OK;
RodColeman 0:8f5825f330b0 213 }
RodColeman 0:8f5825f330b0 214
RodColeman 0:8f5825f330b0 215
RodColeman 0:8f5825f330b0 216 UsbErr UsbDevice::setConfiguration(int config)
RodColeman 0:8f5825f330b0 217 {
RodColeman 0:8f5825f330b0 218 return USBERR_OK;
RodColeman 0:8f5825f330b0 219 }
RodColeman 0:8f5825f330b0 220
RodColeman 0:8f5825f330b0 221 UsbErr UsbDevice::controlSend(byte requestType, byte request, word value, word index, const byte* buf, int len)
RodColeman 0:8f5825f330b0 222 {
RodColeman 0:8f5825f330b0 223 UsbErr rc;
RodColeman 0:8f5825f330b0 224 fillControlBuf(requestType, request, value, index, len);
RodColeman 0:8f5825f330b0 225 m_pControlEp->setNextToken(TD_SETUP);
RodColeman 0:8f5825f330b0 226 rc = m_pControlEp->transfer(m_controlBuf, 8);
RodColeman 0:8f5825f330b0 227 while(m_pControlEp->status() == USBERR_PROCESSING);
RodColeman 0:8f5825f330b0 228 rc = (UsbErr) MIN(0, m_pControlEp->status());
RodColeman 0:8f5825f330b0 229 if(rc)
RodColeman 0:8f5825f330b0 230 return rc;
RodColeman 0:8f5825f330b0 231 if(len)
RodColeman 0:8f5825f330b0 232 {
RodColeman 0:8f5825f330b0 233 m_pControlEp->setNextToken(TD_OUT);
RodColeman 0:8f5825f330b0 234 rc = m_pControlEp->transfer((byte*)buf, len);
RodColeman 0:8f5825f330b0 235 while(m_pControlEp->status() == USBERR_PROCESSING);
RodColeman 0:8f5825f330b0 236 rc = (UsbErr) MIN(0, m_pControlEp->status());
RodColeman 0:8f5825f330b0 237 if(rc)
RodColeman 0:8f5825f330b0 238 return rc;
RodColeman 0:8f5825f330b0 239 }
RodColeman 0:8f5825f330b0 240 m_pControlEp->setNextToken(TD_IN);
RodColeman 0:8f5825f330b0 241 rc = m_pControlEp->transfer(NULL, 0);
RodColeman 0:8f5825f330b0 242 while(m_pControlEp->status() == USBERR_PROCESSING);
RodColeman 0:8f5825f330b0 243 rc = (UsbErr) MIN(0, m_pControlEp->status());
RodColeman 0:8f5825f330b0 244 if(rc)
RodColeman 0:8f5825f330b0 245 return rc;
RodColeman 0:8f5825f330b0 246 return USBERR_OK;
RodColeman 0:8f5825f330b0 247 }
RodColeman 0:8f5825f330b0 248
RodColeman 0:8f5825f330b0 249 UsbErr UsbDevice::controlReceive(byte requestType, byte request, word value, word index, const byte* buf, int len)
RodColeman 0:8f5825f330b0 250 {
RodColeman 0:8f5825f330b0 251 UsbErr rc;
RodColeman 0:8f5825f330b0 252 fillControlBuf(requestType, request, value, index, len);
RodColeman 0:8f5825f330b0 253 m_pControlEp->setNextToken(TD_SETUP);
RodColeman 0:8f5825f330b0 254 rc = m_pControlEp->transfer(m_controlBuf, 8);
RodColeman 0:8f5825f330b0 255 while(m_pControlEp->status() == USBERR_PROCESSING);
RodColeman 0:8f5825f330b0 256 rc = (UsbErr) MIN(0, m_pControlEp->status());
RodColeman 0:8f5825f330b0 257 if(rc)
RodColeman 0:8f5825f330b0 258 return rc;
RodColeman 0:8f5825f330b0 259 if(len)
RodColeman 0:8f5825f330b0 260 {
RodColeman 0:8f5825f330b0 261 m_pControlEp->setNextToken(TD_IN);
RodColeman 0:8f5825f330b0 262 rc = m_pControlEp->transfer( (byte*) buf, len);
RodColeman 0:8f5825f330b0 263 while(m_pControlEp->status() == USBERR_PROCESSING);
RodColeman 0:8f5825f330b0 264 rc = (UsbErr) MIN(0, m_pControlEp->status());
RodColeman 0:8f5825f330b0 265 if(rc)
RodColeman 0:8f5825f330b0 266 return rc;
RodColeman 0:8f5825f330b0 267 }
RodColeman 0:8f5825f330b0 268 m_pControlEp->setNextToken(TD_OUT);
RodColeman 0:8f5825f330b0 269 rc = m_pControlEp->transfer(NULL, 0);
RodColeman 0:8f5825f330b0 270 while(m_pControlEp->status() == USBERR_PROCESSING);
RodColeman 0:8f5825f330b0 271 rc = (UsbErr) MIN(0, m_pControlEp->status());
RodColeman 0:8f5825f330b0 272 if(rc)
RodColeman 0:8f5825f330b0 273 return rc;
RodColeman 0:8f5825f330b0 274 return USBERR_OK;
RodColeman 0:8f5825f330b0 275 }
RodColeman 0:8f5825f330b0 276
RodColeman 0:8f5825f330b0 277 void UsbDevice::fillControlBuf(byte requestType, byte request, word value, word index, int len)
RodColeman 0:8f5825f330b0 278 {
RodColeman 0:8f5825f330b0 279 #ifdef __BIG_ENDIAN
RodColeman 0:8f5825f330b0 280 #error "Must implement BE to LE conv here"
RodColeman 0:8f5825f330b0 281 #endif
RodColeman 0:8f5825f330b0 282 m_controlBuf[0] = requestType;
RodColeman 0:8f5825f330b0 283 m_controlBuf[1] = request;
RodColeman 0:8f5825f330b0 284 //We are in LE so it's fine
RodColeman 0:8f5825f330b0 285 *((word*)&m_controlBuf[2]) = value;
RodColeman 0:8f5825f330b0 286 *((word*)&m_controlBuf[4]) = index;
RodColeman 0:8f5825f330b0 287 *((word*)&m_controlBuf[6]) = (word) len;
RodColeman 0:8f5825f330b0 288 }
RodColeman 0:8f5825f330b0 289
RodColeman 0:8f5825f330b0 290
RodColeman 0:8f5825f330b0 291 #endif