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drv/usb/UsbEndpoint.cpp@0:ac1725ba162c, 2010-11-09 (annotated)
- Committer:
- segundo
- Date:
- Tue Nov 09 20:54:15 2010 +0000
- Revision:
- 0:ac1725ba162c
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| segundo | 0:ac1725ba162c | 1 | |
| segundo | 0:ac1725ba162c | 2 | /* |
| segundo | 0:ac1725ba162c | 3 | Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com) |
| segundo | 0:ac1725ba162c | 4 | |
| segundo | 0:ac1725ba162c | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy |
| segundo | 0:ac1725ba162c | 6 | of this software and associated documentation files (the "Software"), to deal |
| segundo | 0:ac1725ba162c | 7 | in the Software without restriction, including without limitation the rights |
| segundo | 0:ac1725ba162c | 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| segundo | 0:ac1725ba162c | 9 | copies of the Software, and to permit persons to whom the Software is |
| segundo | 0:ac1725ba162c | 10 | furnished to do so, subject to the following conditions: |
| segundo | 0:ac1725ba162c | 11 | |
| segundo | 0:ac1725ba162c | 12 | The above copyright notice and this permission notice shall be included in |
| segundo | 0:ac1725ba162c | 13 | all copies or substantial portions of the Software. |
| segundo | 0:ac1725ba162c | 14 | |
| segundo | 0:ac1725ba162c | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| segundo | 0:ac1725ba162c | 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| segundo | 0:ac1725ba162c | 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| segundo | 0:ac1725ba162c | 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| segundo | 0:ac1725ba162c | 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| segundo | 0:ac1725ba162c | 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| segundo | 0:ac1725ba162c | 21 | THE SOFTWARE. |
| segundo | 0:ac1725ba162c | 22 | */ |
| segundo | 0:ac1725ba162c | 23 | |
| segundo | 0:ac1725ba162c | 24 | #include "UsbEndpoint.h" |
| segundo | 0:ac1725ba162c | 25 | |
| segundo | 0:ac1725ba162c | 26 | #include "UsbDevice.h" |
| segundo | 0:ac1725ba162c | 27 | |
| segundo | 0:ac1725ba162c | 28 | #include "usb_mem.h" |
| segundo | 0:ac1725ba162c | 29 | |
| segundo | 0:ac1725ba162c | 30 | #include "netCfg.h" |
| segundo | 0:ac1725ba162c | 31 | #if NET_USB |
| segundo | 0:ac1725ba162c | 32 | |
| segundo | 0:ac1725ba162c | 33 | //#define __DEBUG |
| segundo | 0:ac1725ba162c | 34 | #include "dbg/dbg.h" |
| segundo | 0:ac1725ba162c | 35 | |
| segundo | 0:ac1725ba162c | 36 | UsbEndpoint::UsbEndpoint( UsbDevice* pDevice, uint8_t ep, bool dir, UsbEndpointType type, uint16_t size, int addr /*= -1*/ ) : m_pDevice(pDevice), m_result(true), m_status((int)USBERR_OK), m_len(0), m_pBufStartPtr(NULL), |
| segundo | 0:ac1725ba162c | 37 | m_pCbItem(NULL), m_pCbMeth(NULL), m_pNextEp(NULL) |
| segundo | 0:ac1725ba162c | 38 | { |
| segundo | 0:ac1725ba162c | 39 | //Insert into Eps list |
| segundo | 0:ac1725ba162c | 40 | //FIXME: Assert that no USB interrupt is triggered meanwhile |
| segundo | 0:ac1725ba162c | 41 | if(m_pHeadEp) |
| segundo | 0:ac1725ba162c | 42 | { |
| segundo | 0:ac1725ba162c | 43 | m_pNextEp = m_pHeadEp; |
| segundo | 0:ac1725ba162c | 44 | m_pHeadEp = this; |
| segundo | 0:ac1725ba162c | 45 | } |
| segundo | 0:ac1725ba162c | 46 | else |
| segundo | 0:ac1725ba162c | 47 | { |
| segundo | 0:ac1725ba162c | 48 | m_pNextEp = NULL; |
| segundo | 0:ac1725ba162c | 49 | m_pHeadEp = this; |
| segundo | 0:ac1725ba162c | 50 | } |
| segundo | 0:ac1725ba162c | 51 | |
| segundo | 0:ac1725ba162c | 52 | m_pEd = (volatile HCED*)usb_get_ed(); |
| segundo | 0:ac1725ba162c | 53 | |
| segundo | 0:ac1725ba162c | 54 | m_pTdHead = (volatile HCTD*)usb_get_td(); |
| segundo | 0:ac1725ba162c | 55 | m_pTdTail = (volatile HCTD*)usb_get_td(); |
| segundo | 0:ac1725ba162c | 56 | |
| segundo | 0:ac1725ba162c | 57 | //printf("\r\n--m_pEd = %p--\r\n", m_pEd); |
| segundo | 0:ac1725ba162c | 58 | DBG("m_pEd = %p\n", m_pEd); |
| segundo | 0:ac1725ba162c | 59 | DBG("m_pTdHead = %p\n", m_pTdHead); |
| segundo | 0:ac1725ba162c | 60 | DBG("m_pTdTail = %p\n", m_pTdTail); |
| segundo | 0:ac1725ba162c | 61 | |
| segundo | 0:ac1725ba162c | 62 | //Init Ed & Td |
| segundo | 0:ac1725ba162c | 63 | //printf("\r\n--Ep Init--\r\n"); |
| segundo | 0:ac1725ba162c | 64 | memset((void*)m_pEd, 0, sizeof(HCED)); |
| segundo | 0:ac1725ba162c | 65 | //printf("\r\n--Td Init--\r\n"); |
| segundo | 0:ac1725ba162c | 66 | |
| segundo | 0:ac1725ba162c | 67 | memset((void*)m_pTdHead, 0, sizeof(HCTD)); |
| segundo | 0:ac1725ba162c | 68 | memset((void*)m_pTdTail, 0, sizeof(HCTD)); |
| segundo | 0:ac1725ba162c | 69 | |
| segundo | 0:ac1725ba162c | 70 | if(addr == -1) |
| segundo | 0:ac1725ba162c | 71 | addr = pDevice->m_addr; |
| segundo | 0:ac1725ba162c | 72 | |
| segundo | 0:ac1725ba162c | 73 | //Setup Ed |
| segundo | 0:ac1725ba162c | 74 | //printf("\r\n--Ep Setup--\r\n"); |
| segundo | 0:ac1725ba162c | 75 | m_pEd->Control = addr | /* USB address */ |
| segundo | 0:ac1725ba162c | 76 | ((ep & 0x7F) << 7) | /* Endpoint address */ |
| segundo | 0:ac1725ba162c | 77 | (type!=USB_CONTROL?((dir?2:1) << 11):0) | /* direction : Out = 1, 2 = In */ |
| segundo | 0:ac1725ba162c | 78 | (size << 16); /* MaxPkt Size */ |
| segundo | 0:ac1725ba162c | 79 | |
| segundo | 0:ac1725ba162c | 80 | m_dir = dir; |
| segundo | 0:ac1725ba162c | 81 | m_setup = false; |
| segundo | 0:ac1725ba162c | 82 | m_type = type; |
| segundo | 0:ac1725ba162c | 83 | |
| segundo | 0:ac1725ba162c | 84 | m_pEd->TailTd = m_pEd->HeadTd = (uint32_t) m_pTdTail; //Empty TD list |
| segundo | 0:ac1725ba162c | 85 | |
| segundo | 0:ac1725ba162c | 86 | DBG("Before link\n"); |
| segundo | 0:ac1725ba162c | 87 | |
| segundo | 0:ac1725ba162c | 88 | //printf("\r\n--Ep Reg--\r\n"); |
| segundo | 0:ac1725ba162c | 89 | //Append Ed to Ed list |
| segundo | 0:ac1725ba162c | 90 | volatile HCED* prevEd; |
| segundo | 0:ac1725ba162c | 91 | switch( m_type ) |
| segundo | 0:ac1725ba162c | 92 | { |
| segundo | 0:ac1725ba162c | 93 | case USB_CONTROL: |
| segundo | 0:ac1725ba162c | 94 | prevEd = (volatile HCED*) LPC_USB->HcControlHeadED; |
| segundo | 0:ac1725ba162c | 95 | break; |
| segundo | 0:ac1725ba162c | 96 | case USB_BULK: |
| segundo | 0:ac1725ba162c | 97 | default: |
| segundo | 0:ac1725ba162c | 98 | prevEd = (volatile HCED*) LPC_USB->HcBulkHeadED; |
| segundo | 0:ac1725ba162c | 99 | break; |
| segundo | 0:ac1725ba162c | 100 | } |
| segundo | 0:ac1725ba162c | 101 | |
| segundo | 0:ac1725ba162c | 102 | DBG("prevEd is %p\n", prevEd); |
| segundo | 0:ac1725ba162c | 103 | |
| segundo | 0:ac1725ba162c | 104 | if(prevEd) |
| segundo | 0:ac1725ba162c | 105 | { |
| segundo | 0:ac1725ba162c | 106 | DBG("prevEd set\n") |
| segundo | 0:ac1725ba162c | 107 | |
| segundo | 0:ac1725ba162c | 108 | while(prevEd->Next) |
| segundo | 0:ac1725ba162c | 109 | { |
| segundo | 0:ac1725ba162c | 110 | DBG("prevEd->Next = %08x\n", prevEd->Next); |
| segundo | 0:ac1725ba162c | 111 | prevEd = (volatile HCED*) prevEd->Next; |
| segundo | 0:ac1725ba162c | 112 | } |
| segundo | 0:ac1725ba162c | 113 | prevEd->Next = (uint32_t) m_pEd; |
| segundo | 0:ac1725ba162c | 114 | |
| segundo | 0:ac1725ba162c | 115 | } |
| segundo | 0:ac1725ba162c | 116 | else |
| segundo | 0:ac1725ba162c | 117 | { |
| segundo | 0:ac1725ba162c | 118 | switch( m_type ) |
| segundo | 0:ac1725ba162c | 119 | { |
| segundo | 0:ac1725ba162c | 120 | case USB_CONTROL: |
| segundo | 0:ac1725ba162c | 121 | LPC_USB->HcControlHeadED = (uint32_t) m_pEd; |
| segundo | 0:ac1725ba162c | 122 | break; |
| segundo | 0:ac1725ba162c | 123 | case USB_BULK: |
| segundo | 0:ac1725ba162c | 124 | default: |
| segundo | 0:ac1725ba162c | 125 | LPC_USB->HcBulkHeadED = (uint32_t) m_pEd; |
| segundo | 0:ac1725ba162c | 126 | break; |
| segundo | 0:ac1725ba162c | 127 | } |
| segundo | 0:ac1725ba162c | 128 | } |
| segundo | 0:ac1725ba162c | 129 | |
| segundo | 0:ac1725ba162c | 130 | DBG("Ep init\n"); |
| segundo | 0:ac1725ba162c | 131 | } |
| segundo | 0:ac1725ba162c | 132 | |
| segundo | 0:ac1725ba162c | 133 | UsbEndpoint::~UsbEndpoint() |
| segundo | 0:ac1725ba162c | 134 | { |
| segundo | 0:ac1725ba162c | 135 | //Remove from Eps list |
| segundo | 0:ac1725ba162c | 136 | //FIXME: Assert that no USB interrupt is triggered meanwhile |
| segundo | 0:ac1725ba162c | 137 | if(m_pHeadEp != this) |
| segundo | 0:ac1725ba162c | 138 | { |
| segundo | 0:ac1725ba162c | 139 | UsbEndpoint* prevEp = m_pHeadEp; |
| segundo | 0:ac1725ba162c | 140 | while(prevEp->m_pNextEp != this) |
| segundo | 0:ac1725ba162c | 141 | prevEp = prevEp->m_pNextEp; |
| segundo | 0:ac1725ba162c | 142 | prevEp->m_pNextEp = m_pNextEp; |
| segundo | 0:ac1725ba162c | 143 | } |
| segundo | 0:ac1725ba162c | 144 | else |
| segundo | 0:ac1725ba162c | 145 | { |
| segundo | 0:ac1725ba162c | 146 | m_pHeadEp = m_pNextEp; |
| segundo | 0:ac1725ba162c | 147 | } |
| segundo | 0:ac1725ba162c | 148 | |
| segundo | 0:ac1725ba162c | 149 | m_pEd->Control |= ED_SKIP; //Skip this Ep in queue |
| segundo | 0:ac1725ba162c | 150 | |
| segundo | 0:ac1725ba162c | 151 | //Remove from queue |
| segundo | 0:ac1725ba162c | 152 | volatile HCED* prevEd; |
| segundo | 0:ac1725ba162c | 153 | switch( m_type ) |
| segundo | 0:ac1725ba162c | 154 | { |
| segundo | 0:ac1725ba162c | 155 | case USB_CONTROL: |
| segundo | 0:ac1725ba162c | 156 | prevEd = (volatile HCED*) LPC_USB->HcControlHeadED; |
| segundo | 0:ac1725ba162c | 157 | break; |
| segundo | 0:ac1725ba162c | 158 | case USB_BULK: |
| segundo | 0:ac1725ba162c | 159 | default: |
| segundo | 0:ac1725ba162c | 160 | prevEd = (volatile HCED*) LPC_USB->HcBulkHeadED; |
| segundo | 0:ac1725ba162c | 161 | break; |
| segundo | 0:ac1725ba162c | 162 | } |
| segundo | 0:ac1725ba162c | 163 | if( m_pEd == prevEd ) |
| segundo | 0:ac1725ba162c | 164 | { |
| segundo | 0:ac1725ba162c | 165 | switch( m_type ) |
| segundo | 0:ac1725ba162c | 166 | { |
| segundo | 0:ac1725ba162c | 167 | case USB_CONTROL: |
| segundo | 0:ac1725ba162c | 168 | LPC_USB->HcControlHeadED = m_pEd->Next; |
| segundo | 0:ac1725ba162c | 169 | break; |
| segundo | 0:ac1725ba162c | 170 | case USB_BULK: |
| segundo | 0:ac1725ba162c | 171 | default: |
| segundo | 0:ac1725ba162c | 172 | LPC_USB->HcBulkHeadED = m_pEd->Next; |
| segundo | 0:ac1725ba162c | 173 | break; |
| segundo | 0:ac1725ba162c | 174 | } |
| segundo | 0:ac1725ba162c | 175 | LPC_USB->HcBulkHeadED = m_pEd->Next; |
| segundo | 0:ac1725ba162c | 176 | } |
| segundo | 0:ac1725ba162c | 177 | else |
| segundo | 0:ac1725ba162c | 178 | { |
| segundo | 0:ac1725ba162c | 179 | while( prevEd->Next != (uint32_t) m_pEd ) |
| segundo | 0:ac1725ba162c | 180 | { |
| segundo | 0:ac1725ba162c | 181 | prevEd = (volatile HCED*) prevEd->Next; |
| segundo | 0:ac1725ba162c | 182 | } |
| segundo | 0:ac1725ba162c | 183 | prevEd->Next = m_pEd->Next; |
| segundo | 0:ac1725ba162c | 184 | } |
| segundo | 0:ac1725ba162c | 185 | |
| segundo | 0:ac1725ba162c | 186 | // |
| segundo | 0:ac1725ba162c | 187 | usb_free_ed((volatile byte*)m_pEd); |
| segundo | 0:ac1725ba162c | 188 | |
| segundo | 0:ac1725ba162c | 189 | usb_free_td((volatile byte*)m_pTdHead); |
| segundo | 0:ac1725ba162c | 190 | usb_free_td((volatile byte*)m_pTdTail); |
| segundo | 0:ac1725ba162c | 191 | } |
| segundo | 0:ac1725ba162c | 192 | |
| segundo | 0:ac1725ba162c | 193 | void UsbEndpoint::setNextToken(uint32_t token) //Only for control Eps |
| segundo | 0:ac1725ba162c | 194 | { |
| segundo | 0:ac1725ba162c | 195 | switch(token) |
| segundo | 0:ac1725ba162c | 196 | { |
| segundo | 0:ac1725ba162c | 197 | case TD_SETUP: |
| segundo | 0:ac1725ba162c | 198 | m_dir = false; |
| segundo | 0:ac1725ba162c | 199 | m_setup = true; |
| segundo | 0:ac1725ba162c | 200 | break; |
| segundo | 0:ac1725ba162c | 201 | case TD_IN: |
| segundo | 0:ac1725ba162c | 202 | m_dir = true; |
| segundo | 0:ac1725ba162c | 203 | m_setup = false; |
| segundo | 0:ac1725ba162c | 204 | break; |
| segundo | 0:ac1725ba162c | 205 | case TD_OUT: |
| segundo | 0:ac1725ba162c | 206 | m_dir = false; |
| segundo | 0:ac1725ba162c | 207 | m_setup = false; |
| segundo | 0:ac1725ba162c | 208 | break; |
| segundo | 0:ac1725ba162c | 209 | } |
| segundo | 0:ac1725ba162c | 210 | } |
| segundo | 0:ac1725ba162c | 211 | |
| segundo | 0:ac1725ba162c | 212 | UsbErr UsbEndpoint::transfer(volatile uint8_t* buf, uint32_t len) |
| segundo | 0:ac1725ba162c | 213 | { |
| segundo | 0:ac1725ba162c | 214 | if(!m_result) |
| segundo | 0:ac1725ba162c | 215 | return USBERR_BUSY; //The previous trasnfer is not completed |
| segundo | 0:ac1725ba162c | 216 | //FIXME: We should be able to queue the next transfer, still needs to be implemented |
| segundo | 0:ac1725ba162c | 217 | |
| segundo | 0:ac1725ba162c | 218 | if( !m_pDevice->connected() ) |
| segundo | 0:ac1725ba162c | 219 | return USBERR_DISCONNECTED; |
| segundo | 0:ac1725ba162c | 220 | |
| segundo | 0:ac1725ba162c | 221 | m_result = false; |
| segundo | 0:ac1725ba162c | 222 | |
| segundo | 0:ac1725ba162c | 223 | volatile uint32_t token = (m_setup?TD_SETUP:(m_dir?TD_IN:TD_OUT)); |
| segundo | 0:ac1725ba162c | 224 | |
| segundo | 0:ac1725ba162c | 225 | volatile uint32_t td_toggle; |
| segundo | 0:ac1725ba162c | 226 | if (m_type == USB_CONTROL) |
| segundo | 0:ac1725ba162c | 227 | { |
| segundo | 0:ac1725ba162c | 228 | if (m_setup) |
| segundo | 0:ac1725ba162c | 229 | { |
| segundo | 0:ac1725ba162c | 230 | td_toggle = TD_TOGGLE_0; |
| segundo | 0:ac1725ba162c | 231 | } |
| segundo | 0:ac1725ba162c | 232 | else |
| segundo | 0:ac1725ba162c | 233 | { |
| segundo | 0:ac1725ba162c | 234 | td_toggle = TD_TOGGLE_1; |
| segundo | 0:ac1725ba162c | 235 | } |
| segundo | 0:ac1725ba162c | 236 | } |
| segundo | 0:ac1725ba162c | 237 | else |
| segundo | 0:ac1725ba162c | 238 | { |
| segundo | 0:ac1725ba162c | 239 | td_toggle = 0; |
| segundo | 0:ac1725ba162c | 240 | } |
| segundo | 0:ac1725ba162c | 241 | |
| segundo | 0:ac1725ba162c | 242 | //Swap Tds |
| segundo | 0:ac1725ba162c | 243 | volatile HCTD* pTdSwap; |
| segundo | 0:ac1725ba162c | 244 | pTdSwap = m_pTdTail; |
| segundo | 0:ac1725ba162c | 245 | m_pTdTail = m_pTdHead; |
| segundo | 0:ac1725ba162c | 246 | m_pTdHead = pTdSwap; |
| segundo | 0:ac1725ba162c | 247 | |
| segundo | 0:ac1725ba162c | 248 | m_pTdHead->Control = (TD_ROUNDING | |
| segundo | 0:ac1725ba162c | 249 | token | |
| segundo | 0:ac1725ba162c | 250 | TD_DELAY_INT(0) |//7 |
| segundo | 0:ac1725ba162c | 251 | td_toggle | |
| segundo | 0:ac1725ba162c | 252 | TD_CC); |
| segundo | 0:ac1725ba162c | 253 | |
| segundo | 0:ac1725ba162c | 254 | m_pTdTail->Control = 0; |
| segundo | 0:ac1725ba162c | 255 | m_pTdHead->CurrBufPtr = (uint32_t) buf; |
| segundo | 0:ac1725ba162c | 256 | m_pBufStartPtr = buf; |
| segundo | 0:ac1725ba162c | 257 | m_pTdTail->CurrBufPtr = 0; |
| segundo | 0:ac1725ba162c | 258 | m_pTdHead->Next = (uint32_t) m_pTdTail; |
| segundo | 0:ac1725ba162c | 259 | m_pTdTail->Next = 0; |
| segundo | 0:ac1725ba162c | 260 | m_pTdHead->BufEnd = (uint32_t)(buf + (len - 1)); |
| segundo | 0:ac1725ba162c | 261 | m_pTdTail->BufEnd = 0; |
| segundo | 0:ac1725ba162c | 262 | |
| segundo | 0:ac1725ba162c | 263 | m_pEd->HeadTd = (uint32_t)m_pTdHead | ((m_pEd->HeadTd) & 0x00000002); //Carry bit |
| segundo | 0:ac1725ba162c | 264 | m_pEd->TailTd = (uint32_t)m_pTdTail; |
| segundo | 0:ac1725ba162c | 265 | |
| segundo | 0:ac1725ba162c | 266 | //DBG("m_pEd->HeadTd = %08x\n", m_pEd->HeadTd); |
| segundo | 0:ac1725ba162c | 267 | |
| segundo | 0:ac1725ba162c | 268 | if(m_type == USB_CONTROL) |
| segundo | 0:ac1725ba162c | 269 | { |
| segundo | 0:ac1725ba162c | 270 | LPC_USB->HcCommandStatus = LPC_USB->HcCommandStatus | OR_CMD_STATUS_CLF; |
| segundo | 0:ac1725ba162c | 271 | LPC_USB->HcControl = LPC_USB->HcControl | OR_CONTROL_CLE; //Enable control list |
| segundo | 0:ac1725ba162c | 272 | } |
| segundo | 0:ac1725ba162c | 273 | else //USB_BULK |
| segundo | 0:ac1725ba162c | 274 | { |
| segundo | 0:ac1725ba162c | 275 | LPC_USB->HcCommandStatus = LPC_USB->HcCommandStatus | OR_CMD_STATUS_BLF; |
| segundo | 0:ac1725ba162c | 276 | LPC_USB->HcControl = LPC_USB->HcControl | OR_CONTROL_BLE; //Enable bulk list |
| segundo | 0:ac1725ba162c | 277 | } |
| segundo | 0:ac1725ba162c | 278 | |
| segundo | 0:ac1725ba162c | 279 | //m_done = false; |
| segundo | 0:ac1725ba162c | 280 | m_len = len; |
| segundo | 0:ac1725ba162c | 281 | |
| segundo | 0:ac1725ba162c | 282 | return USBERR_PROCESSING; |
| segundo | 0:ac1725ba162c | 283 | |
| segundo | 0:ac1725ba162c | 284 | } |
| segundo | 0:ac1725ba162c | 285 | |
| segundo | 0:ac1725ba162c | 286 | int UsbEndpoint::status() |
| segundo | 0:ac1725ba162c | 287 | { |
| segundo | 0:ac1725ba162c | 288 | if( !m_pDevice->connected() ) |
| segundo | 0:ac1725ba162c | 289 | { |
| segundo | 0:ac1725ba162c | 290 | if(!m_result) |
| segundo | 0:ac1725ba162c | 291 | onCompletion(); |
| segundo | 0:ac1725ba162c | 292 | m_result = true; |
| segundo | 0:ac1725ba162c | 293 | return (int)USBERR_DISCONNECTED; |
| segundo | 0:ac1725ba162c | 294 | } |
| segundo | 0:ac1725ba162c | 295 | else if( !m_result ) |
| segundo | 0:ac1725ba162c | 296 | { |
| segundo | 0:ac1725ba162c | 297 | return (int)USBERR_PROCESSING; |
| segundo | 0:ac1725ba162c | 298 | } |
| segundo | 0:ac1725ba162c | 299 | /*else if( m_done ) |
| segundo | 0:ac1725ba162c | 300 | { |
| segundo | 0:ac1725ba162c | 301 | return (int)USBERR_OK; |
| segundo | 0:ac1725ba162c | 302 | }*/ |
| segundo | 0:ac1725ba162c | 303 | else |
| segundo | 0:ac1725ba162c | 304 | { |
| segundo | 0:ac1725ba162c | 305 | return m_status; |
| segundo | 0:ac1725ba162c | 306 | } |
| segundo | 0:ac1725ba162c | 307 | } |
| segundo | 0:ac1725ba162c | 308 | |
| segundo | 0:ac1725ba162c | 309 | void UsbEndpoint::updateAddr(int addr) |
| segundo | 0:ac1725ba162c | 310 | { |
| segundo | 0:ac1725ba162c | 311 | DBG("m_pEd->Control = %08x\n", m_pEd->Control); |
| segundo | 0:ac1725ba162c | 312 | m_pEd->Control &= ~0x7F; |
| segundo | 0:ac1725ba162c | 313 | m_pEd->Control |= addr; |
| segundo | 0:ac1725ba162c | 314 | DBG("m_pEd->Control = %08x\n", m_pEd->Control); |
| segundo | 0:ac1725ba162c | 315 | } |
| segundo | 0:ac1725ba162c | 316 | |
| segundo | 0:ac1725ba162c | 317 | void UsbEndpoint::updateSize(uint16_t size) |
| segundo | 0:ac1725ba162c | 318 | { |
| segundo | 0:ac1725ba162c | 319 | DBG("m_pEd->Control = %08x\n", m_pEd->Control); |
| segundo | 0:ac1725ba162c | 320 | m_pEd->Control &= ~0x3FF0000; |
| segundo | 0:ac1725ba162c | 321 | m_pEd->Control |= (size << 16); |
| segundo | 0:ac1725ba162c | 322 | DBG("m_pEd->Control = %08x\n", m_pEd->Control); |
| segundo | 0:ac1725ba162c | 323 | } |
| segundo | 0:ac1725ba162c | 324 | |
| segundo | 0:ac1725ba162c | 325 | #if 0 //For doc only |
| segundo | 0:ac1725ba162c | 326 | template <class T> |
| segundo | 0:ac1725ba162c | 327 | void UsbEndpoint::setOnCompletion( T* pCbItem, void (T::*pCbMeth)() ) |
| segundo | 0:ac1725ba162c | 328 | { |
| segundo | 0:ac1725ba162c | 329 | m_pCbItem = (CDummy*) pCbItem; |
| segundo | 0:ac1725ba162c | 330 | m_pCbMeth = (void (CDummy::*)()) pCbMeth; |
| segundo | 0:ac1725ba162c | 331 | } |
| segundo | 0:ac1725ba162c | 332 | #endif |
| segundo | 0:ac1725ba162c | 333 | |
| segundo | 0:ac1725ba162c | 334 | void UsbEndpoint::onCompletion() |
| segundo | 0:ac1725ba162c | 335 | { |
| segundo | 0:ac1725ba162c | 336 | //DBG("Transfer completed\n"); |
| segundo | 0:ac1725ba162c | 337 | if( m_pTdHead->Control >> 28 ) |
| segundo | 0:ac1725ba162c | 338 | { |
| segundo | 0:ac1725ba162c | 339 | DBG("TD Failed with condition code %01x\n", m_pTdHead->Control >> 28 ); |
| segundo | 0:ac1725ba162c | 340 | m_status = (int)USBERR_TDFAIL; |
| segundo | 0:ac1725ba162c | 341 | } |
| segundo | 0:ac1725ba162c | 342 | else if( m_pEd->HeadTd & 0x1 ) |
| segundo | 0:ac1725ba162c | 343 | { |
| segundo | 0:ac1725ba162c | 344 | m_pEd->HeadTd = m_pEd->HeadTd & ~0x1; |
| segundo | 0:ac1725ba162c | 345 | DBG("\r\nHALTED!!\r\n"); |
| segundo | 0:ac1725ba162c | 346 | m_status = (int)USBERR_HALTED; |
| segundo | 0:ac1725ba162c | 347 | } |
| segundo | 0:ac1725ba162c | 348 | else if( (m_pEd->HeadTd & ~0xF) == (uint32_t) m_pTdTail ) |
| segundo | 0:ac1725ba162c | 349 | { |
| segundo | 0:ac1725ba162c | 350 | //Done |
| segundo | 0:ac1725ba162c | 351 | int len; |
| segundo | 0:ac1725ba162c | 352 | //DBG("m_pTdHead->CurrBufPtr = %08x, m_pBufStartPtr=%08x\n", m_pTdHead->CurrBufPtr, (uint32_t) m_pBufStartPtr); |
| segundo | 0:ac1725ba162c | 353 | if(m_pTdHead->CurrBufPtr) |
| segundo | 0:ac1725ba162c | 354 | len = m_pTdHead->CurrBufPtr - (uint32_t) m_pBufStartPtr; |
| segundo | 0:ac1725ba162c | 355 | else |
| segundo | 0:ac1725ba162c | 356 | len = m_len; |
| segundo | 0:ac1725ba162c | 357 | /*if(len == 0) //Packet transfered completely |
| segundo | 0:ac1725ba162c | 358 | len = m_len;*/ |
| segundo | 0:ac1725ba162c | 359 | //m_done = true; |
| segundo | 0:ac1725ba162c | 360 | DBG("Transfered %d bytes\n", len); |
| segundo | 0:ac1725ba162c | 361 | m_status = len; |
| segundo | 0:ac1725ba162c | 362 | } |
| segundo | 0:ac1725ba162c | 363 | else |
| segundo | 0:ac1725ba162c | 364 | { |
| segundo | 0:ac1725ba162c | 365 | DBG("Unknown error...\n"); |
| segundo | 0:ac1725ba162c | 366 | m_status = (int)USBERR_ERROR; |
| segundo | 0:ac1725ba162c | 367 | } |
| segundo | 0:ac1725ba162c | 368 | m_result = true; |
| segundo | 0:ac1725ba162c | 369 | if(m_pCbItem && m_pCbMeth) |
| segundo | 0:ac1725ba162c | 370 | (m_pCbItem->*m_pCbMeth)(); |
| segundo | 0:ac1725ba162c | 371 | } |
| segundo | 0:ac1725ba162c | 372 | |
| segundo | 0:ac1725ba162c | 373 | void UsbEndpoint::sOnCompletion(uint32_t pTd) |
| segundo | 0:ac1725ba162c | 374 | { |
| segundo | 0:ac1725ba162c | 375 | if(!m_pHeadEp) |
| segundo | 0:ac1725ba162c | 376 | return; |
| segundo | 0:ac1725ba162c | 377 | do |
| segundo | 0:ac1725ba162c | 378 | { |
| segundo | 0:ac1725ba162c | 379 | //DBG("sOnCompletion (pTd = %08x)\n", pTd); |
| segundo | 0:ac1725ba162c | 380 | UsbEndpoint* pEp = m_pHeadEp; |
| segundo | 0:ac1725ba162c | 381 | do |
| segundo | 0:ac1725ba162c | 382 | { |
| segundo | 0:ac1725ba162c | 383 | if((uint32_t)pEp->m_pTdHead == pTd) |
| segundo | 0:ac1725ba162c | 384 | { |
| segundo | 0:ac1725ba162c | 385 | pEp->onCompletion(); |
| segundo | 0:ac1725ba162c | 386 | break; |
| segundo | 0:ac1725ba162c | 387 | } |
| segundo | 0:ac1725ba162c | 388 | } while(pEp = pEp->m_pNextEp); |
| segundo | 0:ac1725ba162c | 389 | } while( pTd = (uint32_t)( ((HCTD*)pTd)->Next ) ); //Go around the Done queue |
| segundo | 0:ac1725ba162c | 390 | } |
| segundo | 0:ac1725ba162c | 391 | |
| segundo | 0:ac1725ba162c | 392 | UsbEndpoint* UsbEndpoint::m_pHeadEp = NULL; |
| segundo | 0:ac1725ba162c | 393 | |
| segundo | 0:ac1725ba162c | 394 | #endif |