Norimasa Okamoto / Mbed 2 deprecated LPC4088-USBHostC270_example

Simple USBHost WebCam for EA LPC4088 QSB/LPC1768 test program

Dependencies:   LPC4088-USBHost mbed

EA LPC4088 QSB/LPC1768をUSBホストにしてWebカメラからJPEG画像を読み取るテストプログラムです。

The usage is the same as KL46Z-USBHostC270_example.
使い方はKL46Z-USBHostC270_exampleと同じです。
動作確認： Logitech C270,Logitech Q200R(Qcam Orbit AF)
/media/uploads/va009039/lpc4088-c270-480x360.jpg

LPC4088-USBHost/USBHost/USBEndpoint.h@0:c972ee42b455, 2014-04-24 (annotated)

Committer:
va009039
Date:
Thu Apr 24 05:38:45 2014 +0000
Revision:
0:c972ee42b455
first commit,sync rev.29.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
va009039 0:c972ee42b455 1 /* mbed USBHost Library
va009039 0:c972ee42b455 2 * Copyright (c) 2006-2013 ARM Limited
va009039 0:c972ee42b455 3 *
va009039 0:c972ee42b455 4 * Licensed under the Apache License, Version 2.0 (the "License");
va009039 0:c972ee42b455 5 * you may not use this file except in compliance with the License.
va009039 0:c972ee42b455 6 * You may obtain a copy of the License at
va009039 0:c972ee42b455 7 *
va009039 0:c972ee42b455 8 * http://www.apache.org/licenses/LICENSE-2.0
va009039 0:c972ee42b455 9 *
va009039 0:c972ee42b455 10 * Unless required by applicable law or agreed to in writing, software
va009039 0:c972ee42b455 11 * distributed under the License is distributed on an "AS IS" BASIS,
va009039 0:c972ee42b455 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
va009039 0:c972ee42b455 13 * See the License for the specific language governing permissions and
va009039 0:c972ee42b455 14 * limitations under the License.
va009039 0:c972ee42b455 15 */
va009039 0:c972ee42b455 16
va009039 0:c972ee42b455 17 #pragma once
va009039 0:c972ee42b455 18 #include "rtos.h"
va009039 0:c972ee42b455 19 #include "FunctionPointer.h"
va009039 0:c972ee42b455 20 #include "USBHostTypes.h"
va009039 0:c972ee42b455 21 #include "USBDeviceConnected.h"
va009039 0:c972ee42b455 22
va009039 0:c972ee42b455 23 class USBDeviceConnected;
va009039 0:c972ee42b455 24
va009039 0:c972ee42b455 25 #define HCTD_QUEUE_SIZE 3
va009039 0:c972ee42b455 26
va009039 0:c972ee42b455 27 struct HCTD;
va009039 0:c972ee42b455 28 struct HCED;
va009039 0:c972ee42b455 29 struct HCITD;
va009039 0:c972ee42b455 30 class USBHost;
va009039 0:c972ee42b455 31
va009039 0:c972ee42b455 32 /**
va009039 0:c972ee42b455 33 * USBEndpoint class
va009039 0:c972ee42b455 34 */
va009039 0:c972ee42b455 35 class USBEndpoint {
va009039 0:c972ee42b455 36 public:
va009039 0:c972ee42b455 37 /**
va009039 0:c972ee42b455 38 * Constructor
va009039 0:c972ee42b455 39 */
va009039 0:c972ee42b455 40 USBEndpoint(USBDeviceConnected* _dev) {
va009039 0:c972ee42b455 41 init(CONTROL_ENDPOINT, IN, 8, 0);
va009039 0:c972ee42b455 42 dev = _dev;
va009039 0:c972ee42b455 43 }
va009039 0:c972ee42b455 44
va009039 0:c972ee42b455 45 /**
va009039 0:c972ee42b455 46 * Initialize an endpoint
va009039 0:c972ee42b455 47 *
va009039 0:c972ee42b455 48 * @param type endpoint type
va009039 0:c972ee42b455 49 * @param dir endpoint direction
va009039 0:c972ee42b455 50 * @param size endpoint size
va009039 0:c972ee42b455 51 * @param ep_number endpoint number
va009039 0:c972ee42b455 52 */
va009039 0:c972ee42b455 53 void init(ENDPOINT_TYPE _type, ENDPOINT_DIRECTION _dir, uint32_t size, uint8_t ep_number) {
va009039 0:c972ee42b455 54 setType(_type);
va009039 0:c972ee42b455 55 dir = _dir;
va009039 0:c972ee42b455 56 MaxPacketSize = size;
va009039 0:c972ee42b455 57 address = ep_number;
va009039 0:c972ee42b455 58 m_pED = NULL;
va009039 0:c972ee42b455 59 //data01_toggle = DATA0; // for KL46Z
va009039 0:c972ee42b455 60 }
va009039 0:c972ee42b455 61
va009039 0:c972ee42b455 62 /**
va009039 0:c972ee42b455 63 * Attach a member function to call when a transfer is finished
va009039 0:c972ee42b455 64 *
va009039 0:c972ee42b455 65 * @param tptr pointer to the object to call the member function on
va009039 0:c972ee42b455 66 * @param mptr pointer to the member function to be called
va009039 0:c972ee42b455 67 */
va009039 0:c972ee42b455 68 template<typename T>
va009039 0:c972ee42b455 69 void attach(T* tptr, void (T::*mptr)(void)) {
va009039 0:c972ee42b455 70 if((mptr != NULL) && (tptr != NULL)) {
va009039 0:c972ee42b455 71 rx.attach(tptr, mptr);
va009039 0:c972ee42b455 72 }
va009039 0:c972ee42b455 73 }
va009039 0:c972ee42b455 74
va009039 0:c972ee42b455 75 /**
va009039 0:c972ee42b455 76 * Attach a callback called when a transfer is finished
va009039 0:c972ee42b455 77 *
va009039 0:c972ee42b455 78 * @param fptr function pointer
va009039 0:c972ee42b455 79 */
va009039 0:c972ee42b455 80 void attach(void (*fptr)(void)) {
va009039 0:c972ee42b455 81 if(fptr != NULL) {
va009039 0:c972ee42b455 82 rx.attach(fptr);
va009039 0:c972ee42b455 83 }
va009039 0:c972ee42b455 84 }
va009039 0:c972ee42b455 85
va009039 0:c972ee42b455 86 /**
va009039 0:c972ee42b455 87 * Call the handler associted to the end of a transfer
va009039 0:c972ee42b455 88 */
va009039 0:c972ee42b455 89 void call() {
va009039 0:c972ee42b455 90 rx.call();
va009039 0:c972ee42b455 91 };
va009039 0:c972ee42b455 92
va009039 0:c972ee42b455 93 void irqWdhHandler(HCTD* td) {m_queue.put(td);} // WDH
va009039 0:c972ee42b455 94 HCTD* get_queue_HCTD(uint32_t millisec=osWaitForever);
va009039 0:c972ee42b455 95 HCED* m_pED;
va009039 0:c972ee42b455 96 // report
va009039 0:c972ee42b455 97 uint8_t m_ConditionCode;
va009039 0:c972ee42b455 98 int m_report_queue_error;
va009039 0:c972ee42b455 99
va009039 0:c972ee42b455 100 void setType(ENDPOINT_TYPE _type) { type = _type; };
va009039 0:c972ee42b455 101 void setState(uint8_t st){}; // dummy
va009039 0:c972ee42b455 102 void setLengthTransferred(int len) { transferred = len; };
va009039 0:c972ee42b455 103 void setBuffer(uint8_t* buf, int size) { buf_start = buf, buf_size = size; }
va009039 0:c972ee42b455 104 void setSize(int size) { MaxPacketSize = size; }
va009039 0:c972ee42b455 105 void setNextEndpoint(USBEndpoint* ep) { nextEp = ep; };
va009039 0:c972ee42b455 106
va009039 0:c972ee42b455 107 USBDeviceConnected* getDevice() { return dev; }
va009039 0:c972ee42b455 108 ENDPOINT_TYPE getType() { return type; };
va009039 0:c972ee42b455 109 int getLengthTransferred() { return transferred; }
va009039 0:c972ee42b455 110 uint8_t *getBufStart() { return buf_start; }
va009039 0:c972ee42b455 111 int getBufSize() { return buf_size; }
va009039 0:c972ee42b455 112 uint8_t getAddress(){ return address; };
va009039 0:c972ee42b455 113 int getSize() { return MaxPacketSize; }
va009039 0:c972ee42b455 114 ENDPOINT_DIRECTION getDir() { return dir; }
va009039 0:c972ee42b455 115 USBEndpoint* nextEndpoint() { return nextEp; };
va009039 0:c972ee42b455 116
va009039 0:c972ee42b455 117 private:
va009039 0:c972ee42b455 118 ENDPOINT_TYPE type;
va009039 0:c972ee42b455 119 ENDPOINT_DIRECTION dir;
va009039 0:c972ee42b455 120 USBDeviceConnected* dev;
va009039 0:c972ee42b455 121 uint8_t address;
va009039 0:c972ee42b455 122 int transferred;
va009039 0:c972ee42b455 123 uint8_t * buf_start;
va009039 0:c972ee42b455 124 int buf_size;
va009039 0:c972ee42b455 125 FunctionPointer rx;
va009039 0:c972ee42b455 126 int MaxPacketSize;
va009039 0:c972ee42b455 127 USBEndpoint* nextEp;
va009039 0:c972ee42b455 128
va009039 0:c972ee42b455 129 protected:
va009039 0:c972ee42b455 130 Queue<HCTD, HCTD_QUEUE_SIZE> m_queue; // TD done queue
va009039 0:c972ee42b455 131 int m_td_queue_count;
va009039 0:c972ee42b455 132 };
va009039 0:c972ee42b455 133
va009039 0:c972ee42b455 134 class EndpointQueue {
va009039 0:c972ee42b455 135 public:
va009039 0:c972ee42b455 136 EndpointQueue():head(NULL),tail(NULL) {}
va009039 0:c972ee42b455 137 void push(USBEndpoint* ep) {
va009039 0:c972ee42b455 138 if (head) {
va009039 0:c972ee42b455 139 tail->setNextEndpoint(ep);
va009039 0:c972ee42b455 140 } else {
va009039 0:c972ee42b455 141 head = ep;
va009039 0:c972ee42b455 142 }
va009039 0:c972ee42b455 143 tail = ep;
va009039 0:c972ee42b455 144 ep->setNextEndpoint(NULL);
va009039 0:c972ee42b455 145 }
va009039 0:c972ee42b455 146 USBEndpoint* pop() {
va009039 0:c972ee42b455 147 USBEndpoint* ep = head;
va009039 0:c972ee42b455 148 if (ep) {
va009039 0:c972ee42b455 149 head = ep->nextEndpoint();
va009039 0:c972ee42b455 150 }
va009039 0:c972ee42b455 151 return ep;
va009039 0:c972ee42b455 152 }
va009039 0:c972ee42b455 153 bool empty() { return head == NULL; }
va009039 0:c972ee42b455 154
va009039 0:c972ee42b455 155 private:
va009039 0:c972ee42b455 156 USBEndpoint* head;
va009039 0:c972ee42b455 157 USBEndpoint* tail;
va009039 0:c972ee42b455 158 };
va009039 0:c972ee42b455 159
va009039 0:c972ee42b455 160