Suga koubou / Mbed 2 deprecated XTouch-djay-bridge

X-TOUCH to djay bridge

Dependencies:   mbed mbed-rtos FATFileSystem

USBHost/USBHost/USBEndpoint.cpp@1:0dac72ab5910, 2019-06-05 (annotated)

Committer:
okini3939
Date:
Wed Jun 05 04:54:37 2019 +0000
Revision:
1:0dac72ab5910
sample

Who changed what in which revision?

UserRevisionLine numberNew contents of line
okini3939 1:0dac72ab5910 1 /* mbed USBHost Library
okini3939 1:0dac72ab5910 2 * Copyright (c) 2006-2013 ARM Limited
okini3939 1:0dac72ab5910 3 *
okini3939 1:0dac72ab5910 4 * Licensed under the Apache License, Version 2.0 (the "License");
okini3939 1:0dac72ab5910 5 * you may not use this file except in compliance with the License.
okini3939 1:0dac72ab5910 6 * You may obtain a copy of the License at
okini3939 1:0dac72ab5910 7 *
okini3939 1:0dac72ab5910 8 * http://www.apache.org/licenses/LICENSE-2.0
okini3939 1:0dac72ab5910 9 *
okini3939 1:0dac72ab5910 10 * Unless required by applicable law or agreed to in writing, software
okini3939 1:0dac72ab5910 11 * distributed under the License is distributed on an "AS IS" BASIS,
okini3939 1:0dac72ab5910 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
okini3939 1:0dac72ab5910 13 * See the License for the specific language governing permissions and
okini3939 1:0dac72ab5910 14 * limitations under the License.
okini3939 1:0dac72ab5910 15 */
okini3939 1:0dac72ab5910 16
okini3939 1:0dac72ab5910 17
okini3939 1:0dac72ab5910 18 #include "dbg.h"
okini3939 1:0dac72ab5910 19 #include "USBEndpoint.h"
okini3939 1:0dac72ab5910 20 #if !defined(USBHOST_OTHER)
okini3939 1:0dac72ab5910 21 void USBEndpoint::init(HCED * hced_, ENDPOINT_TYPE type_, ENDPOINT_DIRECTION dir_, uint32_t size, uint8_t ep_number, HCTD* td_list_[2])
okini3939 1:0dac72ab5910 22 {
okini3939 1:0dac72ab5910 23 hced = hced_;
okini3939 1:0dac72ab5910 24 type = type_;
okini3939 1:0dac72ab5910 25 dir = dir_;
okini3939 1:0dac72ab5910 26 setup = (type == CONTROL_ENDPOINT) ? true : false;
okini3939 1:0dac72ab5910 27
okini3939 1:0dac72ab5910 28 //TDs have been allocated by the host
okini3939 1:0dac72ab5910 29 memcpy((HCTD**)td_list, td_list_, sizeof(HCTD*)*2); //TODO: Maybe should add a param for td_list size... at least a define
okini3939 1:0dac72ab5910 30 memset(td_list_[0], 0, sizeof(HCTD));
okini3939 1:0dac72ab5910 31 memset(td_list_[1], 0, sizeof(HCTD));
okini3939 1:0dac72ab5910 32
okini3939 1:0dac72ab5910 33 td_list[0]->ep = this;
okini3939 1:0dac72ab5910 34 td_list[1]->ep = this;
okini3939 1:0dac72ab5910 35
okini3939 1:0dac72ab5910 36 hced->control = 0;
okini3939 1:0dac72ab5910 37 //Empty queue
okini3939 1:0dac72ab5910 38 hced->tailTD = td_list[0];
okini3939 1:0dac72ab5910 39 hced->headTD = td_list[0];
okini3939 1:0dac72ab5910 40 hced->nextED = 0;
okini3939 1:0dac72ab5910 41
okini3939 1:0dac72ab5910 42 address = (ep_number & 0x7F) | ((dir - 1) << 7);
okini3939 1:0dac72ab5910 43
okini3939 1:0dac72ab5910 44 hced->control = ((ep_number & 0x7F) << 7) // Endpoint address
okini3939 1:0dac72ab5910 45 | (type != CONTROL_ENDPOINT ? ( dir << 11) : 0 ) // direction : Out = 1, 2 = In
okini3939 1:0dac72ab5910 46 | ((size & 0x3ff) << 16); // MaxPkt Size
okini3939 1:0dac72ab5910 47
okini3939 1:0dac72ab5910 48 transfer_len = 0;
okini3939 1:0dac72ab5910 49 transferred = 0;
okini3939 1:0dac72ab5910 50 buf_start = 0;
okini3939 1:0dac72ab5910 51 nextEp = NULL;
okini3939 1:0dac72ab5910 52
okini3939 1:0dac72ab5910 53 td_current = td_list[0];
okini3939 1:0dac72ab5910 54 td_next = td_list[1];
okini3939 1:0dac72ab5910 55
okini3939 1:0dac72ab5910 56 intf_nb = 0;
okini3939 1:0dac72ab5910 57
okini3939 1:0dac72ab5910 58 state = USB_TYPE_IDLE;
okini3939 1:0dac72ab5910 59 }
okini3939 1:0dac72ab5910 60
okini3939 1:0dac72ab5910 61 void USBEndpoint::setSize(uint32_t size)
okini3939 1:0dac72ab5910 62 {
okini3939 1:0dac72ab5910 63 hced->control &= ~(0x3ff << 16);
okini3939 1:0dac72ab5910 64 hced->control |= (size << 16);
okini3939 1:0dac72ab5910 65 }
okini3939 1:0dac72ab5910 66
okini3939 1:0dac72ab5910 67
okini3939 1:0dac72ab5910 68 void USBEndpoint::setDeviceAddress(uint8_t addr)
okini3939 1:0dac72ab5910 69 {
okini3939 1:0dac72ab5910 70 hced->control &= ~(0x7f);
okini3939 1:0dac72ab5910 71 hced->control |= (addr & 0x7F);
okini3939 1:0dac72ab5910 72 }
okini3939 1:0dac72ab5910 73
okini3939 1:0dac72ab5910 74 void USBEndpoint::setSpeed(uint8_t speed)
okini3939 1:0dac72ab5910 75 {
okini3939 1:0dac72ab5910 76 hced->control &= ~(1 << 13);
okini3939 1:0dac72ab5910 77 hced->control |= (speed << 13);
okini3939 1:0dac72ab5910 78 }
okini3939 1:0dac72ab5910 79 #endif
okini3939 1:0dac72ab5910 80
okini3939 1:0dac72ab5910 81 //Only for control Eps
okini3939 1:0dac72ab5910 82 void USBEndpoint::setNextToken(uint32_t token)
okini3939 1:0dac72ab5910 83 {
okini3939 1:0dac72ab5910 84 switch (token) {
okini3939 1:0dac72ab5910 85 case TD_SETUP:
okini3939 1:0dac72ab5910 86 dir = OUT;
okini3939 1:0dac72ab5910 87 setup = true;
okini3939 1:0dac72ab5910 88 break;
okini3939 1:0dac72ab5910 89 case TD_IN:
okini3939 1:0dac72ab5910 90 dir = IN;
okini3939 1:0dac72ab5910 91 setup = false;
okini3939 1:0dac72ab5910 92 break;
okini3939 1:0dac72ab5910 93 case TD_OUT:
okini3939 1:0dac72ab5910 94 dir = OUT;
okini3939 1:0dac72ab5910 95 setup = false;
okini3939 1:0dac72ab5910 96 break;
okini3939 1:0dac72ab5910 97 }
okini3939 1:0dac72ab5910 98 }
okini3939 1:0dac72ab5910 99 struct {
okini3939 1:0dac72ab5910 100 USB_TYPE type;
okini3939 1:0dac72ab5910 101 const char * str;
okini3939 1:0dac72ab5910 102 } static type_string[] = {
okini3939 1:0dac72ab5910 103 /*0*/ {USB_TYPE_OK, "USB_TYPE_OK"},
okini3939 1:0dac72ab5910 104 {USB_TYPE_CRC_ERROR, "USB_TYPE_CRC_ERROR"},
okini3939 1:0dac72ab5910 105 {USB_TYPE_BIT_STUFFING_ERROR, "USB_TYPE_BIT_STUFFING_ERROR"},
okini3939 1:0dac72ab5910 106 {USB_TYPE_DATA_TOGGLE_MISMATCH_ERROR, "USB_TYPE_DATA_TOGGLE_MISMATCH_ERROR"},
okini3939 1:0dac72ab5910 107 {USB_TYPE_STALL_ERROR, "USB_TYPE_STALL_ERROR"},
okini3939 1:0dac72ab5910 108 /*5*/ {USB_TYPE_DEVICE_NOT_RESPONDING_ERROR, "USB_TYPE_DEVICE_NOT_RESPONDING_ERROR"},
okini3939 1:0dac72ab5910 109 {USB_TYPE_PID_CHECK_FAILURE_ERROR, "USB_TYPE_PID_CHECK_FAILURE_ERROR"},
okini3939 1:0dac72ab5910 110 {USB_TYPE_UNEXPECTED_PID_ERROR, "USB_TYPE_UNEXPECTED_PID_ERROR"},
okini3939 1:0dac72ab5910 111 {USB_TYPE_DATA_OVERRUN_ERROR, "USB_TYPE_DATA_OVERRUN_ERROR"},
okini3939 1:0dac72ab5910 112 {USB_TYPE_DATA_UNDERRUN_ERROR, "USB_TYPE_DATA_UNDERRUN_ERROR"},
okini3939 1:0dac72ab5910 113 /*10*/ {USB_TYPE_ERROR, "USB_TYPE_ERROR"},
okini3939 1:0dac72ab5910 114 {USB_TYPE_ERROR, "USB_TYPE_ERROR"},
okini3939 1:0dac72ab5910 115 {USB_TYPE_BUFFER_OVERRUN_ERROR, "USB_TYPE_BUFFER_OVERRUN_ERROR"},
okini3939 1:0dac72ab5910 116 {USB_TYPE_BUFFER_UNDERRUN_ERROR, "USB_TYPE_BUFFER_UNDERRUN_ERROR"},
okini3939 1:0dac72ab5910 117 {USB_TYPE_DISCONNECTED, "USB_TYPE_DISCONNECTED"},
okini3939 1:0dac72ab5910 118 /*15*/ {USB_TYPE_FREE, "USB_TYPE_FREE"},
okini3939 1:0dac72ab5910 119 {USB_TYPE_IDLE, "USB_TYPE_IDLE"},
okini3939 1:0dac72ab5910 120 {USB_TYPE_PROCESSING, "USB_TYPE_PROCESSING"},
okini3939 1:0dac72ab5910 121 {USB_TYPE_ERROR, "USB_TYPE_ERROR"}
okini3939 1:0dac72ab5910 122 };
okini3939 1:0dac72ab5910 123 const char * USBEndpoint::getStateString() {
okini3939 1:0dac72ab5910 124 return type_string[state].str;
okini3939 1:0dac72ab5910 125 }
okini3939 1:0dac72ab5910 126
okini3939 1:0dac72ab5910 127 #if !defined(USBHOST_OTHER)
okini3939 1:0dac72ab5910 128 void USBEndpoint::setState(uint8_t st) {
okini3939 1:0dac72ab5910 129 if (st > 18)
okini3939 1:0dac72ab5910 130 return;
okini3939 1:0dac72ab5910 131 state = type_string[st].type;
okini3939 1:0dac72ab5910 132 }
okini3939 1:0dac72ab5910 133
okini3939 1:0dac72ab5910 134 USB_TYPE USBEndpoint::queueTransfer()
okini3939 1:0dac72ab5910 135 {
okini3939 1:0dac72ab5910 136 transfer_len = (uint32_t)td_current->bufEnd - (uint32_t)td_current->currBufPtr + 1;
okini3939 1:0dac72ab5910 137 transferred = transfer_len;
okini3939 1:0dac72ab5910 138 buf_start = (uint8_t *)td_current->currBufPtr;
okini3939 1:0dac72ab5910 139
okini3939 1:0dac72ab5910 140 //Now add this free TD at this end of the queue
okini3939 1:0dac72ab5910 141 state = USB_TYPE_PROCESSING;
okini3939 1:0dac72ab5910 142 td_current->nextTD = (hcTd*)td_next;
okini3939 1:0dac72ab5910 143 hced->tailTD = td_next;
okini3939 1:0dac72ab5910 144 return USB_TYPE_PROCESSING;
okini3939 1:0dac72ab5910 145 }
okini3939 1:0dac72ab5910 146
okini3939 1:0dac72ab5910 147 void USBEndpoint::unqueueTransfer(volatile HCTD * td)
okini3939 1:0dac72ab5910 148 {
okini3939 1:0dac72ab5910 149 td->control=0;
okini3939 1:0dac72ab5910 150 td->currBufPtr=0;
okini3939 1:0dac72ab5910 151 td->bufEnd=0;
okini3939 1:0dac72ab5910 152 td->nextTD=0;
okini3939 1:0dac72ab5910 153 hced->headTD = (HCTD *)((uint32_t)hced->tailTD | ((uint32_t)hced->headTD & 0x2)); //Carry bit
okini3939 1:0dac72ab5910 154 td_current = td_next;
okini3939 1:0dac72ab5910 155 td_next = td;
okini3939 1:0dac72ab5910 156 }
okini3939 1:0dac72ab5910 157
okini3939 1:0dac72ab5910 158 void USBEndpoint::queueEndpoint(USBEndpoint * ed)
okini3939 1:0dac72ab5910 159 {
okini3939 1:0dac72ab5910 160 nextEp = ed;
okini3939 1:0dac72ab5910 161 hced->nextED = (ed == NULL) ? 0 : (hcEd*)(ed->getHCED());
okini3939 1:0dac72ab5910 162 }
okini3939 1:0dac72ab5910 163 #endif