Shivanand Gowda / USBHOST

USB BARCODE READER

Fork of USBHOST by ST

USBHost/TARGET_STM/USBEndpoint_STM.cpp@3:1c76b46ad779, 2017-02-17 (annotated)

Committer:
frq08711@LMECWL0871.LME.ST.COM
Date:
Fri Feb 17 12:40:57 2017 +0100
Revision:
3:1c76b46ad779
Parent:
1:ab240722d7ef
Child:
5:fc157e6bd5a5
fixes for USBMSD

Who changed what in which revision?

UserRevisionLine numberNew contents of line
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 1 /* mbed USBHost Library
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 2 * Copyright (c) 2006-2013 ARM Limited
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 3 *
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 4 * Licensed under the Apache License, Version 2.0 (the "License");
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 5 * you may not use this file except in compliance with the License.
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 6 * You may obtain a copy of the License at
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 7 *
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 8 * http://www.apache.org/licenses/LICENSE-2.0
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 9 *
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 10 * Unless required by applicable law or agreed to in writing, software
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 11 * distributed under the License is distributed on an "AS IS" BASIS,
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 13 * See the License for the specific language governing permissions and
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 14 * limitations under the License.
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 15 */
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 16 #if defined(TARGET_STM) && defined(USBHOST_OTHER)
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 17
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 18 #include "dbg.h"
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 19 #include "USBEndpoint.h"
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 20 extern uint32_t HAL_HCD_HC_GetMaxPacket(HCD_HandleTypeDef *hhcd, uint8_t chn_num);
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 21 extern uint32_t HAL_HCD_HC_GetType(HCD_HandleTypeDef *hhcd, uint8_t chn_num);
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 22
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 23
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 24 void USBEndpoint::init(HCED * hced_, ENDPOINT_TYPE type_, ENDPOINT_DIRECTION dir_, uint32_t size, uint8_t ep_number, HCTD* td_list_[2])
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 25 {
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 26 hced = hced_;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 27 type = type_;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 28 dir = dir_;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 29 setup = (type == CONTROL_ENDPOINT) ? true : false;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 30
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 31 //TDs have been allocated by the host
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 32 memcpy((HCTD**)td_list, td_list_, sizeof(HCTD*)*2); //TODO: Maybe should add a param for td_list size... at least a define
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 33 memset(td_list_[0], 0, sizeof(HCTD));
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 34 memset(td_list_[1], 0, sizeof(HCTD));
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 35
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 36 td_list[0]->ep = this;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 37 td_list[1]->ep = this;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 38
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 39 address = (ep_number & 0x7F) | ((dir - 1) << 7);
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 40 this->size = size;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 41 this->ep_number = ep_number;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 42 transfer_len = 0;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 43 transferred = 0;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 44 buf_start = 0;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 45 nextEp = NULL;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 46
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 47 td_current = td_list[0];
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 48 td_next = td_list[1];
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 49
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 50 intf_nb = 0;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 51
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 52 state = USB_TYPE_IDLE;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 53 }
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 54 void USBEndpoint::setSize(uint32_t size)
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 55 {
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 56 this->size = size;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 57 }
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 58
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 59
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 60 void USBEndpoint::setDeviceAddress(uint8_t addr)
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 61 {
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 62 this->device_address = addr;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 63 HAL_HCD_HC_Init((HCD_HandleTypeDef*)hced->hhcd,hced->ch_num, address, addr, HCD_SPEED_FULL, type, size);
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 64 }
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 65
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 66 void USBEndpoint::setSpeed(uint8_t speed)
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 67 {
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 68 this->speed = speed;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 69 }
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 70
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 71
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 72
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 73 void USBEndpoint::setState(uint8_t st) {
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 74 if (st > 18)
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 75 return;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 76 if (state == USB_TYPE_FREE) HAL_HCD_HC_Halt((HCD_HandleTypeDef*)hced->hhcd, hced->ch_num);
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 77
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 78 state = (USB_TYPE)st;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 79 }
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 80
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 81
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 82 extern uint32_t HAL_HCD_HC_GetMaxPacket(HCD_HandleTypeDef *hhcd, uint8_t chn_num);
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 83 extern uint32_t HAL_HCD_HC_GetType(HCD_HandleTypeDef *hhcd, uint8_t chn_num);
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 84
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 85
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 86 USB_TYPE USBEndpoint::queueTransfer()
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 87 {
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 88 HCD_HandleTypeDef *hhcd = (HCD_HandleTypeDef*)hced->hhcd;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 89 uint32_t *addr = &((uint32_t *)hhcd->pData)[hced->ch_num];
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 90 uint32_t type = HAL_HCD_HC_GetType(hhcd, hced->ch_num);
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 91 uint32_t max_size = HAL_HCD_HC_GetMaxPacket(hhcd, hced->ch_num);
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 92 /* if a packet is queue on disconnected ; no solution for now */
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 93 if(*addr == (uint32_t) -1) {
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 94 /* set td as disconnected */
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 95 td_current->state = USB_TYPE_DISCONNECTED;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 96 return USB_TYPE_DISCONNECTED;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 97 }
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 98 MBED_ASSERT(*addr ==0);
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 99 if ((type == EP_TYPE_BULK) || (type== EP_TYPE_CTRL)) {
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 100 transfer_len = td_current->size <= max_size ? td_current->size : max_size;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 101 transferred = td_current->size;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 102 } else {
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 103 transfer_len = td_current->size;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 104 transferred = td_current->size;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 105 MBED_ASSERT(transferred <= (int)max_size);
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 106 }
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 107 buf_start = (uint8_t *)td_current->currBufPtr;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 108
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 109 //Now add this free TD at this end of the queue
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 110 state = USB_TYPE_PROCESSING;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 111 /* one request */
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 112 td_current->nextTD = (hcTd*)0;
frq08711@LMECWL0871.LME.ST.COM 3:1c76b46ad779 113 td_current->retry = 0;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 114 *addr = (uint32_t)td_current;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 115 /* dir /setup is inverted for ST */
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 116 /* token is useful only ctrl endpoint */
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 117 /* last parameter is ping ? */
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 118 MBED_ASSERT(HAL_HCD_HC_SubmitRequest((HCD_HandleTypeDef*)hced->hhcd, hced->ch_num, dir-1, type,!setup,(uint8_t*) td_current->currBufPtr, transfer_len, 0)==HAL_OK);
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 119 return USB_TYPE_PROCESSING;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 120 }
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 121
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 122 void USBEndpoint::unqueueTransfer(volatile HCTD * td)
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 123 {
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 124
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 125 uint32_t *addr = &((uint32_t *)((HCD_HandleTypeDef*)hced->hhcd)->pData)[hced->ch_num];
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 126 td->state=0;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 127 td->currBufPtr=0;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 128 td->size=0;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 129 td->nextTD=0;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 130 *addr = 0;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 131 td_current = td_next;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 132 td_next = td;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 133 }
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 134
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 135 void USBEndpoint::queueEndpoint(USBEndpoint * ed)
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 136 {
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 137 nextEp = ed;
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 138 }
frq08711@LMECWL0871.LME.ST.COM 1:ab240722d7ef 139 #endif