USBHost library. NOTE: This library is only officially supported on the LPC1768 platform. For more information, please see the handbook page.
Dependencies: FATFileSystem mbed-rtos
Dependents: BTstack WallbotWii SD to Flash Data Transfer USBHost-MSD_HelloWorld ... more
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USBHost/TARGET_STM/USBEndpoint_STM.cpp@37:f1e388e7b752, 2017-07-20 (annotated)
- Committer:
- Kojto
- Date:
- Thu Jul 20 10:13:56 2017 +0100
- Revision:
- 37:f1e388e7b752
Update libraries (ed9d1da)
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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Kojto | 37:f1e388e7b752 | 1 | /* mbed USBHost Library |
Kojto | 37:f1e388e7b752 | 2 | * Copyright (c) 2006-2013 ARM Limited |
Kojto | 37:f1e388e7b752 | 3 | * |
Kojto | 37:f1e388e7b752 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
Kojto | 37:f1e388e7b752 | 5 | * you may not use this file except in compliance with the License. |
Kojto | 37:f1e388e7b752 | 6 | * You may obtain a copy of the License at |
Kojto | 37:f1e388e7b752 | 7 | * |
Kojto | 37:f1e388e7b752 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
Kojto | 37:f1e388e7b752 | 9 | * |
Kojto | 37:f1e388e7b752 | 10 | * Unless required by applicable law or agreed to in writing, software |
Kojto | 37:f1e388e7b752 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
Kojto | 37:f1e388e7b752 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
Kojto | 37:f1e388e7b752 | 13 | * See the License for the specific language governing permissions and |
Kojto | 37:f1e388e7b752 | 14 | * limitations under the License. |
Kojto | 37:f1e388e7b752 | 15 | */ |
Kojto | 37:f1e388e7b752 | 16 | #if defined(TARGET_STM) && defined(USBHOST_OTHER) |
Kojto | 37:f1e388e7b752 | 17 | |
Kojto | 37:f1e388e7b752 | 18 | #include "dbg.h" |
Kojto | 37:f1e388e7b752 | 19 | #include "USBEndpoint.h" |
Kojto | 37:f1e388e7b752 | 20 | extern uint32_t HAL_HCD_HC_GetMaxPacket(HCD_HandleTypeDef *hhcd, uint8_t chn_num); |
Kojto | 37:f1e388e7b752 | 21 | extern uint32_t HAL_HCD_HC_GetType(HCD_HandleTypeDef *hhcd, uint8_t chn_num); |
Kojto | 37:f1e388e7b752 | 22 | extern void HAL_HCD_DisableInt(HCD_HandleTypeDef* hhcd, uint8_t chn_num); |
Kojto | 37:f1e388e7b752 | 23 | extern void HAL_HCD_EnableInt(HCD_HandleTypeDef* hhcd, uint8_t chn_num); |
Kojto | 37:f1e388e7b752 | 24 | |
Kojto | 37:f1e388e7b752 | 25 | |
Kojto | 37:f1e388e7b752 | 26 | |
Kojto | 37:f1e388e7b752 | 27 | |
Kojto | 37:f1e388e7b752 | 28 | void USBEndpoint::init(HCED * hced_, ENDPOINT_TYPE type_, ENDPOINT_DIRECTION dir_, uint32_t size, uint8_t ep_number, HCTD* td_list_[2]) |
Kojto | 37:f1e388e7b752 | 29 | { |
Kojto | 37:f1e388e7b752 | 30 | HCD_HandleTypeDef *hhcd; |
Kojto | 37:f1e388e7b752 | 31 | uint32_t *addr; |
Kojto | 37:f1e388e7b752 | 32 | |
Kojto | 37:f1e388e7b752 | 33 | hced = hced_; |
Kojto | 37:f1e388e7b752 | 34 | type = type_; |
Kojto | 37:f1e388e7b752 | 35 | dir = dir_; |
Kojto | 37:f1e388e7b752 | 36 | setup = (type == CONTROL_ENDPOINT) ? true : false; |
Kojto | 37:f1e388e7b752 | 37 | |
Kojto | 37:f1e388e7b752 | 38 | //TDs have been allocated by the host |
Kojto | 37:f1e388e7b752 | 39 | memcpy((HCTD**)td_list, td_list_, sizeof(HCTD*)*2); //TODO: Maybe should add a param for td_list size... at least a define |
Kojto | 37:f1e388e7b752 | 40 | memset(td_list_[0], 0, sizeof(HCTD)); |
Kojto | 37:f1e388e7b752 | 41 | memset(td_list_[1], 0, sizeof(HCTD)); |
Kojto | 37:f1e388e7b752 | 42 | |
Kojto | 37:f1e388e7b752 | 43 | td_list[0]->ep = this; |
Kojto | 37:f1e388e7b752 | 44 | td_list[1]->ep = this; |
Kojto | 37:f1e388e7b752 | 45 | |
Kojto | 37:f1e388e7b752 | 46 | address = (ep_number & 0x7F) | ((dir - 1) << 7); |
Kojto | 37:f1e388e7b752 | 47 | this->size = size; |
Kojto | 37:f1e388e7b752 | 48 | this->ep_number = ep_number; |
Kojto | 37:f1e388e7b752 | 49 | transfer_len = 0; |
Kojto | 37:f1e388e7b752 | 50 | transferred = 0; |
Kojto | 37:f1e388e7b752 | 51 | buf_start = 0; |
Kojto | 37:f1e388e7b752 | 52 | nextEp = NULL; |
Kojto | 37:f1e388e7b752 | 53 | |
Kojto | 37:f1e388e7b752 | 54 | td_current = td_list[0]; |
Kojto | 37:f1e388e7b752 | 55 | td_next = td_list[1]; |
Kojto | 37:f1e388e7b752 | 56 | /* remove potential post pending from previous endpoint */ |
Kojto | 37:f1e388e7b752 | 57 | ep_queue.get(0); |
Kojto | 37:f1e388e7b752 | 58 | intf_nb = 0; |
Kojto | 37:f1e388e7b752 | 59 | hhcd = (HCD_HandleTypeDef*)hced->hhcd; |
Kojto | 37:f1e388e7b752 | 60 | addr = &((uint32_t *)hhcd->pData)[hced->ch_num]; |
Kojto | 37:f1e388e7b752 | 61 | *addr = 0; |
Kojto | 37:f1e388e7b752 | 62 | state = USB_TYPE_IDLE; |
Kojto | 37:f1e388e7b752 | 63 | speed =false; |
Kojto | 37:f1e388e7b752 | 64 | } |
Kojto | 37:f1e388e7b752 | 65 | void USBEndpoint::setSize(uint32_t size) |
Kojto | 37:f1e388e7b752 | 66 | { |
Kojto | 37:f1e388e7b752 | 67 | this->size = size; |
Kojto | 37:f1e388e7b752 | 68 | } |
Kojto | 37:f1e388e7b752 | 69 | |
Kojto | 37:f1e388e7b752 | 70 | |
Kojto | 37:f1e388e7b752 | 71 | void USBEndpoint::setDeviceAddress(uint8_t addr) |
Kojto | 37:f1e388e7b752 | 72 | { |
Kojto | 37:f1e388e7b752 | 73 | HCD_HandleTypeDef *hhcd; |
Kojto | 37:f1e388e7b752 | 74 | uint8_t hcd_speed = HCD_SPEED_FULL; |
Kojto | 37:f1e388e7b752 | 75 | /* fix me : small speed device with hub not supported |
Kojto | 37:f1e388e7b752 | 76 | if (this->speed) hcd_speed = HCD_SPEED_LOW; */ |
Kojto | 37:f1e388e7b752 | 77 | if (this->speed) { |
Kojto | 37:f1e388e7b752 | 78 | USB_WARN("small speed device on hub not supported"); |
Kojto | 37:f1e388e7b752 | 79 | } |
Kojto | 37:f1e388e7b752 | 80 | MBED_ASSERT(HAL_HCD_HC_Init((HCD_HandleTypeDef*)hced->hhcd,hced->ch_num, address, addr, hcd_speed, type, size)!=HAL_BUSY); |
Kojto | 37:f1e388e7b752 | 81 | this->device_address = addr; |
Kojto | 37:f1e388e7b752 | 82 | |
Kojto | 37:f1e388e7b752 | 83 | } |
Kojto | 37:f1e388e7b752 | 84 | |
Kojto | 37:f1e388e7b752 | 85 | void USBEndpoint::setSpeed(uint8_t speed) |
Kojto | 37:f1e388e7b752 | 86 | { |
Kojto | 37:f1e388e7b752 | 87 | this->speed = speed; |
Kojto | 37:f1e388e7b752 | 88 | } |
Kojto | 37:f1e388e7b752 | 89 | |
Kojto | 37:f1e388e7b752 | 90 | |
Kojto | 37:f1e388e7b752 | 91 | |
Kojto | 37:f1e388e7b752 | 92 | void USBEndpoint::setState(USB_TYPE st) |
Kojto | 37:f1e388e7b752 | 93 | { |
Kojto | 37:f1e388e7b752 | 94 | /* modify this state is possible only with a plug */ |
Kojto | 37:f1e388e7b752 | 95 | if (state == USB_TYPE_FREE) { |
Kojto | 37:f1e388e7b752 | 96 | return; |
Kojto | 37:f1e388e7b752 | 97 | } |
Kojto | 37:f1e388e7b752 | 98 | |
Kojto | 37:f1e388e7b752 | 99 | state = st; |
Kojto | 37:f1e388e7b752 | 100 | if (st == USB_TYPE_FREE) { |
Kojto | 37:f1e388e7b752 | 101 | HCD_HandleTypeDef *hhcd = (HCD_HandleTypeDef*)hced->hhcd; |
Kojto | 37:f1e388e7b752 | 102 | uint32_t *addr = &((uint32_t *)hhcd->pData)[hced->ch_num]; |
Kojto | 37:f1e388e7b752 | 103 | if ((*addr) && (type != INTERRUPT_ENDPOINT)) { |
Kojto | 37:f1e388e7b752 | 104 | this->ep_queue.put((uint8_t*)1); |
Kojto | 37:f1e388e7b752 | 105 | } |
Kojto | 37:f1e388e7b752 | 106 | MBED_ASSERT(HAL_HCD_HC_Halt((HCD_HandleTypeDef*)hced->hhcd, hced->ch_num)!=HAL_BUSY); |
Kojto | 37:f1e388e7b752 | 107 | HAL_HCD_DisableInt((HCD_HandleTypeDef*)hced->hhcd, hced->ch_num); |
Kojto | 37:f1e388e7b752 | 108 | *addr = 0; |
Kojto | 37:f1e388e7b752 | 109 | |
Kojto | 37:f1e388e7b752 | 110 | } |
Kojto | 37:f1e388e7b752 | 111 | if (st == USB_TYPE_ERROR) { |
Kojto | 37:f1e388e7b752 | 112 | MBED_ASSERT(HAL_HCD_HC_Halt((HCD_HandleTypeDef*)hced->hhcd, hced->ch_num)!=HAL_BUSY); |
Kojto | 37:f1e388e7b752 | 113 | HAL_HCD_DisableInt((HCD_HandleTypeDef*)hced->hhcd, hced->ch_num); |
Kojto | 37:f1e388e7b752 | 114 | |
Kojto | 37:f1e388e7b752 | 115 | } |
Kojto | 37:f1e388e7b752 | 116 | if (st == USB_TYPE_ERROR) { |
Kojto | 37:f1e388e7b752 | 117 | uint8_t hcd_speed = HCD_SPEED_FULL; |
Kojto | 37:f1e388e7b752 | 118 | /* small speed device with hub not supported |
Kojto | 37:f1e388e7b752 | 119 | if (this->speed) hcd_speed = HCD_SPEED_LOW;*/ |
Kojto | 37:f1e388e7b752 | 120 | MBED_ASSERT(HAL_HCD_HC_Init((HCD_HandleTypeDef*)hced->hhcd,hced->ch_num, address, 0, hcd_speed, type, size)!=HAL_BUSY); |
Kojto | 37:f1e388e7b752 | 121 | } |
Kojto | 37:f1e388e7b752 | 122 | } |
Kojto | 37:f1e388e7b752 | 123 | |
Kojto | 37:f1e388e7b752 | 124 | |
Kojto | 37:f1e388e7b752 | 125 | extern uint32_t HAL_HCD_HC_GetMaxPacket(HCD_HandleTypeDef *hhcd, uint8_t chn_num); |
Kojto | 37:f1e388e7b752 | 126 | extern uint32_t HAL_HCD_HC_GetType(HCD_HandleTypeDef *hhcd, uint8_t chn_num); |
Kojto | 37:f1e388e7b752 | 127 | |
Kojto | 37:f1e388e7b752 | 128 | |
Kojto | 37:f1e388e7b752 | 129 | USB_TYPE USBEndpoint::queueTransfer() |
Kojto | 37:f1e388e7b752 | 130 | { |
Kojto | 37:f1e388e7b752 | 131 | HCD_HandleTypeDef *hhcd = (HCD_HandleTypeDef*)hced->hhcd; |
Kojto | 37:f1e388e7b752 | 132 | uint32_t *addr = &((uint32_t *)hhcd->pData)[hced->ch_num]; |
Kojto | 37:f1e388e7b752 | 133 | uint32_t type = HAL_HCD_HC_GetType(hhcd, hced->ch_num); |
Kojto | 37:f1e388e7b752 | 134 | uint32_t max_size = HAL_HCD_HC_GetMaxPacket(hhcd, hced->ch_num); |
Kojto | 37:f1e388e7b752 | 135 | /* if a packet is queue on disconnected ; no solution for now */ |
Kojto | 37:f1e388e7b752 | 136 | if (state == USB_TYPE_FREE) { |
Kojto | 37:f1e388e7b752 | 137 | td_current->state = USB_TYPE_FREE; |
Kojto | 37:f1e388e7b752 | 138 | return USB_TYPE_FREE; |
Kojto | 37:f1e388e7b752 | 139 | } |
Kojto | 37:f1e388e7b752 | 140 | ep_queue.get(0); |
Kojto | 37:f1e388e7b752 | 141 | MBED_ASSERT(*addr ==0); |
Kojto | 37:f1e388e7b752 | 142 | transfer_len = td_current->size <= max_size ? td_current->size : max_size; |
Kojto | 37:f1e388e7b752 | 143 | buf_start = (uint8_t *)td_current->currBufPtr; |
Kojto | 37:f1e388e7b752 | 144 | |
Kojto | 37:f1e388e7b752 | 145 | //Now add this free TD at this end of the queue |
Kojto | 37:f1e388e7b752 | 146 | state = USB_TYPE_PROCESSING; |
Kojto | 37:f1e388e7b752 | 147 | /* one request */ |
Kojto | 37:f1e388e7b752 | 148 | td_current->nextTD = (hcTd*)0; |
Kojto | 37:f1e388e7b752 | 149 | #if defined(MAX_NYET_RETRY) |
Kojto | 37:f1e388e7b752 | 150 | td_current->retry = 0; |
Kojto | 37:f1e388e7b752 | 151 | #endif |
Kojto | 37:f1e388e7b752 | 152 | td_current->setup = setup; |
Kojto | 37:f1e388e7b752 | 153 | *addr = (uint32_t)td_current; |
Kojto | 37:f1e388e7b752 | 154 | /* dir /setup is inverted for ST */ |
Kojto | 37:f1e388e7b752 | 155 | /* token is useful only ctrl endpoint */ |
Kojto | 37:f1e388e7b752 | 156 | /* last parameter is ping ? */ |
Kojto | 37:f1e388e7b752 | 157 | 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); |
Kojto | 37:f1e388e7b752 | 158 | HAL_HCD_EnableInt((HCD_HandleTypeDef*)hced->hhcd, hced->ch_num); |
Kojto | 37:f1e388e7b752 | 159 | |
Kojto | 37:f1e388e7b752 | 160 | return USB_TYPE_PROCESSING; |
Kojto | 37:f1e388e7b752 | 161 | } |
Kojto | 37:f1e388e7b752 | 162 | |
Kojto | 37:f1e388e7b752 | 163 | void USBEndpoint::unqueueTransfer(volatile HCTD * td) |
Kojto | 37:f1e388e7b752 | 164 | { |
Kojto | 37:f1e388e7b752 | 165 | if (state==USB_TYPE_FREE) { |
Kojto | 37:f1e388e7b752 | 166 | return; |
Kojto | 37:f1e388e7b752 | 167 | } |
Kojto | 37:f1e388e7b752 | 168 | uint32_t *addr = &((uint32_t *)((HCD_HandleTypeDef*)hced->hhcd)->pData)[hced->ch_num]; |
Kojto | 37:f1e388e7b752 | 169 | td->state=0; |
Kojto | 37:f1e388e7b752 | 170 | td->currBufPtr=0; |
Kojto | 37:f1e388e7b752 | 171 | td->size=0; |
Kojto | 37:f1e388e7b752 | 172 | td->nextTD=0; |
Kojto | 37:f1e388e7b752 | 173 | *addr = 0; |
Kojto | 37:f1e388e7b752 | 174 | td_current = td_next; |
Kojto | 37:f1e388e7b752 | 175 | td_next = td; |
Kojto | 37:f1e388e7b752 | 176 | } |
Kojto | 37:f1e388e7b752 | 177 | |
Kojto | 37:f1e388e7b752 | 178 | void USBEndpoint::queueEndpoint(USBEndpoint * ed) |
Kojto | 37:f1e388e7b752 | 179 | { |
Kojto | 37:f1e388e7b752 | 180 | nextEp = ed; |
Kojto | 37:f1e388e7b752 | 181 | } |
Kojto | 37:f1e388e7b752 | 182 | #endif |