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This library is stripped down version of NetServices library. HTTP server and client function is NOT supported.
drv/usb/UsbEndpoint.cpp@0:dcf3c92487ca, 2011-07-20 (annotated)
- Committer:
- idinor
- Date:
- Wed Jul 20 11:45:39 2011 +0000
- Revision:
- 0:dcf3c92487ca
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| idinor | 0:dcf3c92487ca | 1 | |
| idinor | 0:dcf3c92487ca | 2 | /* |
| idinor | 0:dcf3c92487ca | 3 | Copyright (c) 2010 Donatien Garnier (donatiengar [at] gmail [dot] com) |
| idinor | 0:dcf3c92487ca | 4 | |
| idinor | 0:dcf3c92487ca | 5 | Permission is hereby granted, free of charge, to any person obtaining a copy |
| idinor | 0:dcf3c92487ca | 6 | of this software and associated documentation files (the "Software"), to deal |
| idinor | 0:dcf3c92487ca | 7 | in the Software without restriction, including without limitation the rights |
| idinor | 0:dcf3c92487ca | 8 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| idinor | 0:dcf3c92487ca | 9 | copies of the Software, and to permit persons to whom the Software is |
| idinor | 0:dcf3c92487ca | 10 | furnished to do so, subject to the following conditions: |
| idinor | 0:dcf3c92487ca | 11 | |
| idinor | 0:dcf3c92487ca | 12 | The above copyright notice and this permission notice shall be included in |
| idinor | 0:dcf3c92487ca | 13 | all copies or substantial portions of the Software. |
| idinor | 0:dcf3c92487ca | 14 | |
| idinor | 0:dcf3c92487ca | 15 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| idinor | 0:dcf3c92487ca | 16 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| idinor | 0:dcf3c92487ca | 17 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| idinor | 0:dcf3c92487ca | 18 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| idinor | 0:dcf3c92487ca | 19 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| idinor | 0:dcf3c92487ca | 20 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| idinor | 0:dcf3c92487ca | 21 | THE SOFTWARE. |
| idinor | 0:dcf3c92487ca | 22 | */ |
| idinor | 0:dcf3c92487ca | 23 | |
| idinor | 0:dcf3c92487ca | 24 | #include "UsbEndpoint.h" |
| idinor | 0:dcf3c92487ca | 25 | |
| idinor | 0:dcf3c92487ca | 26 | #include "UsbDevice.h" |
| idinor | 0:dcf3c92487ca | 27 | |
| idinor | 0:dcf3c92487ca | 28 | #include "usb_mem.h" |
| idinor | 0:dcf3c92487ca | 29 | |
| idinor | 0:dcf3c92487ca | 30 | #include "netCfg.h" |
| idinor | 0:dcf3c92487ca | 31 | #if NET_USB |
| idinor | 0:dcf3c92487ca | 32 | |
| idinor | 0:dcf3c92487ca | 33 | //#define __DEBUG |
| idinor | 0:dcf3c92487ca | 34 | #include "dbg/dbg.h" |
| idinor | 0:dcf3c92487ca | 35 | |
| idinor | 0:dcf3c92487ca | 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), |
| idinor | 0:dcf3c92487ca | 37 | m_pCbItem(NULL), m_pCbMeth(NULL), m_pNextEp(NULL) |
| idinor | 0:dcf3c92487ca | 38 | { |
| idinor | 0:dcf3c92487ca | 39 | //Insert into Eps list |
| idinor | 0:dcf3c92487ca | 40 | //FIXME: Assert that no USB interrupt is triggered meanwhile |
| idinor | 0:dcf3c92487ca | 41 | if(m_pHeadEp) |
| idinor | 0:dcf3c92487ca | 42 | { |
| idinor | 0:dcf3c92487ca | 43 | m_pNextEp = m_pHeadEp; |
| idinor | 0:dcf3c92487ca | 44 | m_pHeadEp = this; |
| idinor | 0:dcf3c92487ca | 45 | } |
| idinor | 0:dcf3c92487ca | 46 | else |
| idinor | 0:dcf3c92487ca | 47 | { |
| idinor | 0:dcf3c92487ca | 48 | m_pNextEp = NULL; |
| idinor | 0:dcf3c92487ca | 49 | m_pHeadEp = this; |
| idinor | 0:dcf3c92487ca | 50 | } |
| idinor | 0:dcf3c92487ca | 51 | |
| idinor | 0:dcf3c92487ca | 52 | m_pEd = (volatile HCED*)usb_get_ed(); |
| idinor | 0:dcf3c92487ca | 53 | |
| idinor | 0:dcf3c92487ca | 54 | m_pTdHead = (volatile HCTD*)usb_get_td(); |
| idinor | 0:dcf3c92487ca | 55 | m_pTdTail = (volatile HCTD*)usb_get_td(); |
| idinor | 0:dcf3c92487ca | 56 | |
| idinor | 0:dcf3c92487ca | 57 | //printf("\r\n--m_pEd = %p--\r\n", m_pEd); |
| idinor | 0:dcf3c92487ca | 58 | DBG("m_pEd = %p\n", m_pEd); |
| idinor | 0:dcf3c92487ca | 59 | DBG("m_pTdHead = %p\n", m_pTdHead); |
| idinor | 0:dcf3c92487ca | 60 | DBG("m_pTdTail = %p\n", m_pTdTail); |
| idinor | 0:dcf3c92487ca | 61 | |
| idinor | 0:dcf3c92487ca | 62 | //Init Ed & Td |
| idinor | 0:dcf3c92487ca | 63 | //printf("\r\n--Ep Init--\r\n"); |
| idinor | 0:dcf3c92487ca | 64 | memset((void*)m_pEd, 0, sizeof(HCED)); |
| idinor | 0:dcf3c92487ca | 65 | //printf("\r\n--Td Init--\r\n"); |
| idinor | 0:dcf3c92487ca | 66 | |
| idinor | 0:dcf3c92487ca | 67 | memset((void*)m_pTdHead, 0, sizeof(HCTD)); |
| idinor | 0:dcf3c92487ca | 68 | memset((void*)m_pTdTail, 0, sizeof(HCTD)); |
| idinor | 0:dcf3c92487ca | 69 | |
| idinor | 0:dcf3c92487ca | 70 | if(addr == -1) |
| idinor | 0:dcf3c92487ca | 71 | addr = pDevice->m_addr; |
| idinor | 0:dcf3c92487ca | 72 | |
| idinor | 0:dcf3c92487ca | 73 | //Setup Ed |
| idinor | 0:dcf3c92487ca | 74 | //printf("\r\n--Ep Setup--\r\n"); |
| idinor | 0:dcf3c92487ca | 75 | m_pEd->Control = addr | /* USB address */ |
| idinor | 0:dcf3c92487ca | 76 | ((ep & 0x7F) << 7) | /* Endpoint address */ |
| idinor | 0:dcf3c92487ca | 77 | (type!=USB_CONTROL?((dir?2:1) << 11):0) | /* direction : Out = 1, 2 = In */ |
| idinor | 0:dcf3c92487ca | 78 | (size << 16); /* MaxPkt Size */ |
| idinor | 0:dcf3c92487ca | 79 | |
| idinor | 0:dcf3c92487ca | 80 | m_dir = dir; |
| idinor | 0:dcf3c92487ca | 81 | m_setup = false; |
| idinor | 0:dcf3c92487ca | 82 | m_type = type; |
| idinor | 0:dcf3c92487ca | 83 | |
| idinor | 0:dcf3c92487ca | 84 | m_pEd->TailTd = m_pEd->HeadTd = (uint32_t) m_pTdTail; //Empty TD list |
| idinor | 0:dcf3c92487ca | 85 | |
| idinor | 0:dcf3c92487ca | 86 | DBG("Before link\n"); |
| idinor | 0:dcf3c92487ca | 87 | |
| idinor | 0:dcf3c92487ca | 88 | //printf("\r\n--Ep Reg--\r\n"); |
| idinor | 0:dcf3c92487ca | 89 | //Append Ed to Ed list |
| idinor | 0:dcf3c92487ca | 90 | volatile HCED* prevEd; |
| idinor | 0:dcf3c92487ca | 91 | switch( m_type ) |
| idinor | 0:dcf3c92487ca | 92 | { |
| idinor | 0:dcf3c92487ca | 93 | case USB_CONTROL: |
| idinor | 0:dcf3c92487ca | 94 | prevEd = (volatile HCED*) LPC_USB->HcControlHeadED; |
| idinor | 0:dcf3c92487ca | 95 | break; |
| idinor | 0:dcf3c92487ca | 96 | case USB_BULK: |
| idinor | 0:dcf3c92487ca | 97 | default: |
| idinor | 0:dcf3c92487ca | 98 | prevEd = (volatile HCED*) LPC_USB->HcBulkHeadED; |
| idinor | 0:dcf3c92487ca | 99 | break; |
| idinor | 0:dcf3c92487ca | 100 | } |
| idinor | 0:dcf3c92487ca | 101 | |
| idinor | 0:dcf3c92487ca | 102 | DBG("prevEd is %p\n", prevEd); |
| idinor | 0:dcf3c92487ca | 103 | |
| idinor | 0:dcf3c92487ca | 104 | if(prevEd) |
| idinor | 0:dcf3c92487ca | 105 | { |
| idinor | 0:dcf3c92487ca | 106 | DBG("prevEd set\n") |
| idinor | 0:dcf3c92487ca | 107 | |
| idinor | 0:dcf3c92487ca | 108 | while(prevEd->Next) |
| idinor | 0:dcf3c92487ca | 109 | { |
| idinor | 0:dcf3c92487ca | 110 | DBG("prevEd->Next = %08x\n", prevEd->Next); |
| idinor | 0:dcf3c92487ca | 111 | prevEd = (volatile HCED*) prevEd->Next; |
| idinor | 0:dcf3c92487ca | 112 | } |
| idinor | 0:dcf3c92487ca | 113 | prevEd->Next = (uint32_t) m_pEd; |
| idinor | 0:dcf3c92487ca | 114 | |
| idinor | 0:dcf3c92487ca | 115 | } |
| idinor | 0:dcf3c92487ca | 116 | else |
| idinor | 0:dcf3c92487ca | 117 | { |
| idinor | 0:dcf3c92487ca | 118 | switch( m_type ) |
| idinor | 0:dcf3c92487ca | 119 | { |
| idinor | 0:dcf3c92487ca | 120 | case USB_CONTROL: |
| idinor | 0:dcf3c92487ca | 121 | LPC_USB->HcControlHeadED = (uint32_t) m_pEd; |
| idinor | 0:dcf3c92487ca | 122 | break; |
| idinor | 0:dcf3c92487ca | 123 | case USB_BULK: |
| idinor | 0:dcf3c92487ca | 124 | default: |
| idinor | 0:dcf3c92487ca | 125 | LPC_USB->HcBulkHeadED = (uint32_t) m_pEd; |
| idinor | 0:dcf3c92487ca | 126 | break; |
| idinor | 0:dcf3c92487ca | 127 | } |
| idinor | 0:dcf3c92487ca | 128 | } |
| idinor | 0:dcf3c92487ca | 129 | |
| idinor | 0:dcf3c92487ca | 130 | DBG("Ep init\n"); |
| idinor | 0:dcf3c92487ca | 131 | } |
| idinor | 0:dcf3c92487ca | 132 | |
| idinor | 0:dcf3c92487ca | 133 | UsbEndpoint::~UsbEndpoint() |
| idinor | 0:dcf3c92487ca | 134 | { |
| idinor | 0:dcf3c92487ca | 135 | //Remove from Eps list |
| idinor | 0:dcf3c92487ca | 136 | //FIXME: Assert that no USB interrupt is triggered meanwhile |
| idinor | 0:dcf3c92487ca | 137 | if(m_pHeadEp != this) |
| idinor | 0:dcf3c92487ca | 138 | { |
| idinor | 0:dcf3c92487ca | 139 | UsbEndpoint* prevEp = m_pHeadEp; |
| idinor | 0:dcf3c92487ca | 140 | while(prevEp->m_pNextEp != this) |
| idinor | 0:dcf3c92487ca | 141 | prevEp = prevEp->m_pNextEp; |
| idinor | 0:dcf3c92487ca | 142 | prevEp->m_pNextEp = m_pNextEp; |
| idinor | 0:dcf3c92487ca | 143 | } |
| idinor | 0:dcf3c92487ca | 144 | else |
| idinor | 0:dcf3c92487ca | 145 | { |
| idinor | 0:dcf3c92487ca | 146 | m_pHeadEp = m_pNextEp; |
| idinor | 0:dcf3c92487ca | 147 | } |
| idinor | 0:dcf3c92487ca | 148 | |
| idinor | 0:dcf3c92487ca | 149 | m_pEd->Control |= ED_SKIP; //Skip this Ep in queue |
| idinor | 0:dcf3c92487ca | 150 | |
| idinor | 0:dcf3c92487ca | 151 | //Remove from queue |
| idinor | 0:dcf3c92487ca | 152 | volatile HCED* prevEd; |
| idinor | 0:dcf3c92487ca | 153 | switch( m_type ) |
| idinor | 0:dcf3c92487ca | 154 | { |
| idinor | 0:dcf3c92487ca | 155 | case USB_CONTROL: |
| idinor | 0:dcf3c92487ca | 156 | prevEd = (volatile HCED*) LPC_USB->HcControlHeadED; |
| idinor | 0:dcf3c92487ca | 157 | break; |
| idinor | 0:dcf3c92487ca | 158 | case USB_BULK: |
| idinor | 0:dcf3c92487ca | 159 | default: |
| idinor | 0:dcf3c92487ca | 160 | prevEd = (volatile HCED*) LPC_USB->HcBulkHeadED; |
| idinor | 0:dcf3c92487ca | 161 | break; |
| idinor | 0:dcf3c92487ca | 162 | } |
| idinor | 0:dcf3c92487ca | 163 | if( m_pEd == prevEd ) |
| idinor | 0:dcf3c92487ca | 164 | { |
| idinor | 0:dcf3c92487ca | 165 | switch( m_type ) |
| idinor | 0:dcf3c92487ca | 166 | { |
| idinor | 0:dcf3c92487ca | 167 | case USB_CONTROL: |
| idinor | 0:dcf3c92487ca | 168 | LPC_USB->HcControlHeadED = m_pEd->Next; |
| idinor | 0:dcf3c92487ca | 169 | break; |
| idinor | 0:dcf3c92487ca | 170 | case USB_BULK: |
| idinor | 0:dcf3c92487ca | 171 | default: |
| idinor | 0:dcf3c92487ca | 172 | LPC_USB->HcBulkHeadED = m_pEd->Next; |
| idinor | 0:dcf3c92487ca | 173 | break; |
| idinor | 0:dcf3c92487ca | 174 | } |
| idinor | 0:dcf3c92487ca | 175 | LPC_USB->HcBulkHeadED = m_pEd->Next; |
| idinor | 0:dcf3c92487ca | 176 | } |
| idinor | 0:dcf3c92487ca | 177 | else |
| idinor | 0:dcf3c92487ca | 178 | { |
| idinor | 0:dcf3c92487ca | 179 | while( prevEd->Next != (uint32_t) m_pEd ) |
| idinor | 0:dcf3c92487ca | 180 | { |
| idinor | 0:dcf3c92487ca | 181 | prevEd = (volatile HCED*) prevEd->Next; |
| idinor | 0:dcf3c92487ca | 182 | } |
| idinor | 0:dcf3c92487ca | 183 | prevEd->Next = m_pEd->Next; |
| idinor | 0:dcf3c92487ca | 184 | } |
| idinor | 0:dcf3c92487ca | 185 | |
| idinor | 0:dcf3c92487ca | 186 | // |
| idinor | 0:dcf3c92487ca | 187 | usb_free_ed((volatile byte*)m_pEd); |
| idinor | 0:dcf3c92487ca | 188 | |
| idinor | 0:dcf3c92487ca | 189 | usb_free_td((volatile byte*)m_pTdHead); |
| idinor | 0:dcf3c92487ca | 190 | usb_free_td((volatile byte*)m_pTdTail); |
| idinor | 0:dcf3c92487ca | 191 | } |
| idinor | 0:dcf3c92487ca | 192 | |
| idinor | 0:dcf3c92487ca | 193 | void UsbEndpoint::setNextToken(uint32_t token) //Only for control Eps |
| idinor | 0:dcf3c92487ca | 194 | { |
| idinor | 0:dcf3c92487ca | 195 | switch(token) |
| idinor | 0:dcf3c92487ca | 196 | { |
| idinor | 0:dcf3c92487ca | 197 | case TD_SETUP: |
| idinor | 0:dcf3c92487ca | 198 | m_dir = false; |
| idinor | 0:dcf3c92487ca | 199 | m_setup = true; |
| idinor | 0:dcf3c92487ca | 200 | break; |
| idinor | 0:dcf3c92487ca | 201 | case TD_IN: |
| idinor | 0:dcf3c92487ca | 202 | m_dir = true; |
| idinor | 0:dcf3c92487ca | 203 | m_setup = false; |
| idinor | 0:dcf3c92487ca | 204 | break; |
| idinor | 0:dcf3c92487ca | 205 | case TD_OUT: |
| idinor | 0:dcf3c92487ca | 206 | m_dir = false; |
| idinor | 0:dcf3c92487ca | 207 | m_setup = false; |
| idinor | 0:dcf3c92487ca | 208 | break; |
| idinor | 0:dcf3c92487ca | 209 | } |
| idinor | 0:dcf3c92487ca | 210 | } |
| idinor | 0:dcf3c92487ca | 211 | |
| idinor | 0:dcf3c92487ca | 212 | UsbErr UsbEndpoint::transfer(volatile uint8_t* buf, uint32_t len) |
| idinor | 0:dcf3c92487ca | 213 | { |
| idinor | 0:dcf3c92487ca | 214 | if(!m_result) |
| idinor | 0:dcf3c92487ca | 215 | return USBERR_BUSY; //The previous trasnfer is not completed |
| idinor | 0:dcf3c92487ca | 216 | //FIXME: We should be able to queue the next transfer, still needs to be implemented |
| idinor | 0:dcf3c92487ca | 217 | |
| idinor | 0:dcf3c92487ca | 218 | if( !m_pDevice->connected() ) |
| idinor | 0:dcf3c92487ca | 219 | return USBERR_DISCONNECTED; |
| idinor | 0:dcf3c92487ca | 220 | |
| idinor | 0:dcf3c92487ca | 221 | m_result = false; |
| idinor | 0:dcf3c92487ca | 222 | |
| idinor | 0:dcf3c92487ca | 223 | volatile uint32_t token = (m_setup?TD_SETUP:(m_dir?TD_IN:TD_OUT)); |
| idinor | 0:dcf3c92487ca | 224 | |
| idinor | 0:dcf3c92487ca | 225 | volatile uint32_t td_toggle; |
| idinor | 0:dcf3c92487ca | 226 | if (m_type == USB_CONTROL) |
| idinor | 0:dcf3c92487ca | 227 | { |
| idinor | 0:dcf3c92487ca | 228 | if (m_setup) |
| idinor | 0:dcf3c92487ca | 229 | { |
| idinor | 0:dcf3c92487ca | 230 | td_toggle = TD_TOGGLE_0; |
| idinor | 0:dcf3c92487ca | 231 | } |
| idinor | 0:dcf3c92487ca | 232 | else |
| idinor | 0:dcf3c92487ca | 233 | { |
| idinor | 0:dcf3c92487ca | 234 | td_toggle = TD_TOGGLE_1; |
| idinor | 0:dcf3c92487ca | 235 | } |
| idinor | 0:dcf3c92487ca | 236 | } |
| idinor | 0:dcf3c92487ca | 237 | else |
| idinor | 0:dcf3c92487ca | 238 | { |
| idinor | 0:dcf3c92487ca | 239 | td_toggle = 0; |
| idinor | 0:dcf3c92487ca | 240 | } |
| idinor | 0:dcf3c92487ca | 241 | |
| idinor | 0:dcf3c92487ca | 242 | //Swap Tds |
| idinor | 0:dcf3c92487ca | 243 | volatile HCTD* pTdSwap; |
| idinor | 0:dcf3c92487ca | 244 | pTdSwap = m_pTdTail; |
| idinor | 0:dcf3c92487ca | 245 | m_pTdTail = m_pTdHead; |
| idinor | 0:dcf3c92487ca | 246 | m_pTdHead = pTdSwap; |
| idinor | 0:dcf3c92487ca | 247 | |
| idinor | 0:dcf3c92487ca | 248 | m_pTdHead->Control = (TD_ROUNDING | |
| idinor | 0:dcf3c92487ca | 249 | token | |
| idinor | 0:dcf3c92487ca | 250 | TD_DELAY_INT(0) |//7 |
| idinor | 0:dcf3c92487ca | 251 | td_toggle | |
| idinor | 0:dcf3c92487ca | 252 | TD_CC); |
| idinor | 0:dcf3c92487ca | 253 | |
| idinor | 0:dcf3c92487ca | 254 | m_pTdTail->Control = 0; |
| idinor | 0:dcf3c92487ca | 255 | m_pTdHead->CurrBufPtr = (uint32_t) buf; |
| idinor | 0:dcf3c92487ca | 256 | m_pBufStartPtr = buf; |
| idinor | 0:dcf3c92487ca | 257 | m_pTdTail->CurrBufPtr = 0; |
| idinor | 0:dcf3c92487ca | 258 | m_pTdHead->Next = (uint32_t) m_pTdTail; |
| idinor | 0:dcf3c92487ca | 259 | m_pTdTail->Next = 0; |
| idinor | 0:dcf3c92487ca | 260 | m_pTdHead->BufEnd = (uint32_t)(buf + (len - 1)); |
| idinor | 0:dcf3c92487ca | 261 | m_pTdTail->BufEnd = 0; |
| idinor | 0:dcf3c92487ca | 262 | |
| idinor | 0:dcf3c92487ca | 263 | m_pEd->HeadTd = (uint32_t)m_pTdHead | ((m_pEd->HeadTd) & 0x00000002); //Carry bit |
| idinor | 0:dcf3c92487ca | 264 | m_pEd->TailTd = (uint32_t)m_pTdTail; |
| idinor | 0:dcf3c92487ca | 265 | |
| idinor | 0:dcf3c92487ca | 266 | //DBG("m_pEd->HeadTd = %08x\n", m_pEd->HeadTd); |
| idinor | 0:dcf3c92487ca | 267 | |
| idinor | 0:dcf3c92487ca | 268 | if(m_type == USB_CONTROL) |
| idinor | 0:dcf3c92487ca | 269 | { |
| idinor | 0:dcf3c92487ca | 270 | LPC_USB->HcCommandStatus = LPC_USB->HcCommandStatus | OR_CMD_STATUS_CLF; |
| idinor | 0:dcf3c92487ca | 271 | LPC_USB->HcControl = LPC_USB->HcControl | OR_CONTROL_CLE; //Enable control list |
| idinor | 0:dcf3c92487ca | 272 | } |
| idinor | 0:dcf3c92487ca | 273 | else //USB_BULK |
| idinor | 0:dcf3c92487ca | 274 | { |
| idinor | 0:dcf3c92487ca | 275 | LPC_USB->HcCommandStatus = LPC_USB->HcCommandStatus | OR_CMD_STATUS_BLF; |
| idinor | 0:dcf3c92487ca | 276 | LPC_USB->HcControl = LPC_USB->HcControl | OR_CONTROL_BLE; //Enable bulk list |
| idinor | 0:dcf3c92487ca | 277 | } |
| idinor | 0:dcf3c92487ca | 278 | |
| idinor | 0:dcf3c92487ca | 279 | //m_done = false; |
| idinor | 0:dcf3c92487ca | 280 | m_len = len; |
| idinor | 0:dcf3c92487ca | 281 | |
| idinor | 0:dcf3c92487ca | 282 | return USBERR_PROCESSING; |
| idinor | 0:dcf3c92487ca | 283 | |
| idinor | 0:dcf3c92487ca | 284 | } |
| idinor | 0:dcf3c92487ca | 285 | |
| idinor | 0:dcf3c92487ca | 286 | int UsbEndpoint::status() |
| idinor | 0:dcf3c92487ca | 287 | { |
| idinor | 0:dcf3c92487ca | 288 | if( !m_pDevice->connected() ) |
| idinor | 0:dcf3c92487ca | 289 | { |
| idinor | 0:dcf3c92487ca | 290 | if(!m_result) |
| idinor | 0:dcf3c92487ca | 291 | onCompletion(); |
| idinor | 0:dcf3c92487ca | 292 | m_result = true; |
| idinor | 0:dcf3c92487ca | 293 | return (int)USBERR_DISCONNECTED; |
| idinor | 0:dcf3c92487ca | 294 | } |
| idinor | 0:dcf3c92487ca | 295 | else if( !m_result ) |
| idinor | 0:dcf3c92487ca | 296 | { |
| idinor | 0:dcf3c92487ca | 297 | return (int)USBERR_PROCESSING; |
| idinor | 0:dcf3c92487ca | 298 | } |
| idinor | 0:dcf3c92487ca | 299 | /*else if( m_done ) |
| idinor | 0:dcf3c92487ca | 300 | { |
| idinor | 0:dcf3c92487ca | 301 | return (int)USBERR_OK; |
| idinor | 0:dcf3c92487ca | 302 | }*/ |
| idinor | 0:dcf3c92487ca | 303 | else |
| idinor | 0:dcf3c92487ca | 304 | { |
| idinor | 0:dcf3c92487ca | 305 | return m_status; |
| idinor | 0:dcf3c92487ca | 306 | } |
| idinor | 0:dcf3c92487ca | 307 | } |
| idinor | 0:dcf3c92487ca | 308 | |
| idinor | 0:dcf3c92487ca | 309 | void UsbEndpoint::updateAddr(int addr) |
| idinor | 0:dcf3c92487ca | 310 | { |
| idinor | 0:dcf3c92487ca | 311 | DBG("m_pEd->Control = %08x\n", m_pEd->Control); |
| idinor | 0:dcf3c92487ca | 312 | m_pEd->Control &= ~0x7F; |
| idinor | 0:dcf3c92487ca | 313 | m_pEd->Control |= addr; |
| idinor | 0:dcf3c92487ca | 314 | DBG("m_pEd->Control = %08x\n", m_pEd->Control); |
| idinor | 0:dcf3c92487ca | 315 | } |
| idinor | 0:dcf3c92487ca | 316 | |
| idinor | 0:dcf3c92487ca | 317 | void UsbEndpoint::updateSize(uint16_t size) |
| idinor | 0:dcf3c92487ca | 318 | { |
| idinor | 0:dcf3c92487ca | 319 | DBG("m_pEd->Control = %08x\n", m_pEd->Control); |
| idinor | 0:dcf3c92487ca | 320 | m_pEd->Control &= ~0x3FF0000; |
| idinor | 0:dcf3c92487ca | 321 | m_pEd->Control |= (size << 16); |
| idinor | 0:dcf3c92487ca | 322 | DBG("m_pEd->Control = %08x\n", m_pEd->Control); |
| idinor | 0:dcf3c92487ca | 323 | } |
| idinor | 0:dcf3c92487ca | 324 | |
| idinor | 0:dcf3c92487ca | 325 | #if 0 //For doc only |
| idinor | 0:dcf3c92487ca | 326 | template <class T> |
| idinor | 0:dcf3c92487ca | 327 | void UsbEndpoint::setOnCompletion( T* pCbItem, void (T::*pCbMeth)() ) |
| idinor | 0:dcf3c92487ca | 328 | { |
| idinor | 0:dcf3c92487ca | 329 | m_pCbItem = (CDummy*) pCbItem; |
| idinor | 0:dcf3c92487ca | 330 | m_pCbMeth = (void (CDummy::*)()) pCbMeth; |
| idinor | 0:dcf3c92487ca | 331 | } |
| idinor | 0:dcf3c92487ca | 332 | #endif |
| idinor | 0:dcf3c92487ca | 333 | |
| idinor | 0:dcf3c92487ca | 334 | void UsbEndpoint::onCompletion() |
| idinor | 0:dcf3c92487ca | 335 | { |
| idinor | 0:dcf3c92487ca | 336 | //DBG("Transfer completed\n"); |
| idinor | 0:dcf3c92487ca | 337 | if( m_pTdHead->Control >> 28 ) |
| idinor | 0:dcf3c92487ca | 338 | { |
| idinor | 0:dcf3c92487ca | 339 | DBG("TD Failed with condition code %01x\n", m_pTdHead->Control >> 28 ); |
| idinor | 0:dcf3c92487ca | 340 | m_status = (int)USBERR_TDFAIL; |
| idinor | 0:dcf3c92487ca | 341 | } |
| idinor | 0:dcf3c92487ca | 342 | else if( m_pEd->HeadTd & 0x1 ) |
| idinor | 0:dcf3c92487ca | 343 | { |
| idinor | 0:dcf3c92487ca | 344 | m_pEd->HeadTd = m_pEd->HeadTd & ~0x1; |
| idinor | 0:dcf3c92487ca | 345 | DBG("\r\nHALTED!!\r\n"); |
| idinor | 0:dcf3c92487ca | 346 | m_status = (int)USBERR_HALTED; |
| idinor | 0:dcf3c92487ca | 347 | } |
| idinor | 0:dcf3c92487ca | 348 | else if( (m_pEd->HeadTd & ~0xF) == (uint32_t) m_pTdTail ) |
| idinor | 0:dcf3c92487ca | 349 | { |
| idinor | 0:dcf3c92487ca | 350 | //Done |
| idinor | 0:dcf3c92487ca | 351 | int len; |
| idinor | 0:dcf3c92487ca | 352 | //DBG("m_pTdHead->CurrBufPtr = %08x, m_pBufStartPtr=%08x\n", m_pTdHead->CurrBufPtr, (uint32_t) m_pBufStartPtr); |
| idinor | 0:dcf3c92487ca | 353 | if(m_pTdHead->CurrBufPtr) |
| idinor | 0:dcf3c92487ca | 354 | len = m_pTdHead->CurrBufPtr - (uint32_t) m_pBufStartPtr; |
| idinor | 0:dcf3c92487ca | 355 | else |
| idinor | 0:dcf3c92487ca | 356 | len = m_len; |
| idinor | 0:dcf3c92487ca | 357 | /*if(len == 0) //Packet transfered completely |
| idinor | 0:dcf3c92487ca | 358 | len = m_len;*/ |
| idinor | 0:dcf3c92487ca | 359 | //m_done = true; |
| idinor | 0:dcf3c92487ca | 360 | DBG("Transfered %d bytes\n", len); |
| idinor | 0:dcf3c92487ca | 361 | m_status = len; |
| idinor | 0:dcf3c92487ca | 362 | } |
| idinor | 0:dcf3c92487ca | 363 | else |
| idinor | 0:dcf3c92487ca | 364 | { |
| idinor | 0:dcf3c92487ca | 365 | DBG("Unknown error...\n"); |
| idinor | 0:dcf3c92487ca | 366 | m_status = (int)USBERR_ERROR; |
| idinor | 0:dcf3c92487ca | 367 | } |
| idinor | 0:dcf3c92487ca | 368 | m_result = true; |
| idinor | 0:dcf3c92487ca | 369 | if(m_pCbItem && m_pCbMeth) |
| idinor | 0:dcf3c92487ca | 370 | (m_pCbItem->*m_pCbMeth)(); |
| idinor | 0:dcf3c92487ca | 371 | } |
| idinor | 0:dcf3c92487ca | 372 | |
| idinor | 0:dcf3c92487ca | 373 | void UsbEndpoint::sOnCompletion(uint32_t pTd) |
| idinor | 0:dcf3c92487ca | 374 | { |
| idinor | 0:dcf3c92487ca | 375 | if(!m_pHeadEp) |
| idinor | 0:dcf3c92487ca | 376 | return; |
| idinor | 0:dcf3c92487ca | 377 | do |
| idinor | 0:dcf3c92487ca | 378 | { |
| idinor | 0:dcf3c92487ca | 379 | //DBG("sOnCompletion (pTd = %08x)\n", pTd); |
| idinor | 0:dcf3c92487ca | 380 | UsbEndpoint* pEp = m_pHeadEp; |
| idinor | 0:dcf3c92487ca | 381 | do |
| idinor | 0:dcf3c92487ca | 382 | { |
| idinor | 0:dcf3c92487ca | 383 | if((uint32_t)pEp->m_pTdHead == pTd) |
| idinor | 0:dcf3c92487ca | 384 | { |
| idinor | 0:dcf3c92487ca | 385 | pEp->onCompletion(); |
| idinor | 0:dcf3c92487ca | 386 | break; |
| idinor | 0:dcf3c92487ca | 387 | } |
| idinor | 0:dcf3c92487ca | 388 | } while(pEp = pEp->m_pNextEp); |
| idinor | 0:dcf3c92487ca | 389 | } while( pTd = (uint32_t)( ((HCTD*)pTd)->Next ) ); //Go around the Done queue |
| idinor | 0:dcf3c92487ca | 390 | } |
| idinor | 0:dcf3c92487ca | 391 | |
| idinor | 0:dcf3c92487ca | 392 | UsbEndpoint* UsbEndpoint::m_pHeadEp = NULL; |
| idinor | 0:dcf3c92487ca | 393 | |
| idinor | 0:dcf3c92487ca | 394 | #endif |