DECS_2018 / F401RE-USBHost

Usb read

Dependencies:   FATFileSystem

Fork of F401RE-USBHost by Norimasa Okamoto

USBHost/USBEndpoint.h@10:40c7f6788902, 2014-02-05 (annotated)

Committer:
va009039
Date:
Wed Feb 05 13:34:37 2014 +0000
Revision:
10:40c7f6788902
Parent:
9:7f9f64cf5ded 
fix endpoint callback.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
va009039 8:6463cd1964c0 1 /* mbed USBHost Library
va009039 8:6463cd1964c0 2 * Copyright (c) 2006-2013 ARM Limited
va009039 8:6463cd1964c0 3 *
va009039 8:6463cd1964c0 4 * Licensed under the Apache License, Version 2.0 (the "License");
va009039 8:6463cd1964c0 5 * you may not use this file except in compliance with the License.
va009039 8:6463cd1964c0 6 * You may obtain a copy of the License at
va009039 8:6463cd1964c0 7 *
va009039 8:6463cd1964c0 8 * http://www.apache.org/licenses/LICENSE-2.0
va009039 8:6463cd1964c0 9 *
va009039 8:6463cd1964c0 10 * Unless required by applicable law or agreed to in writing, software
va009039 8:6463cd1964c0 11 * distributed under the License is distributed on an "AS IS" BASIS,
va009039 8:6463cd1964c0 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
va009039 8:6463cd1964c0 13 * See the License for the specific language governing permissions and
va009039 8:6463cd1964c0 14 * limitations under the License.
va009039 8:6463cd1964c0 15 */
va009039 8:6463cd1964c0 16
va009039 5:10bfc10afcc8 17 #pragma once
va009039 9:7f9f64cf5ded 18 #include "FunctionPointer.h"
va009039 5:10bfc10afcc8 19 #include "USBHostTypes.h"
va009039 8:6463cd1964c0 20 #include "USBDeviceConnected.h"
va009039 9:7f9f64cf5ded 21
va009039 8:6463cd1964c0 22 class USBDeviceConnected;
va009039 5:10bfc10afcc8 23
va009039 9:7f9f64cf5ded 24 /**
va009039 9:7f9f64cf5ded 25 * USBEndpoint class
va009039 9:7f9f64cf5ded 26 */
va009039 5:10bfc10afcc8 27 class USBEndpoint {
va009039 5:10bfc10afcc8 28 public:
va009039 9:7f9f64cf5ded 29 /**
va009039 9:7f9f64cf5ded 30 * Constructor
va009039 9:7f9f64cf5ded 31 */
va009039 10:40c7f6788902 32 USBEndpoint(USBDeviceConnected* _dev) {
va009039 10:40c7f6788902 33 init(CONTROL_ENDPOINT, IN, 8, 0);
va009039 10:40c7f6788902 34 dev = _dev;
va009039 10:40c7f6788902 35 }
va009039 10:40c7f6788902 36
va009039 10:40c7f6788902 37 /**
va009039 10:40c7f6788902 38 * Initialize an endpoint
va009039 10:40c7f6788902 39 *
va009039 10:40c7f6788902 40 * @param type endpoint type
va009039 10:40c7f6788902 41 * @param dir endpoint direction
va009039 10:40c7f6788902 42 * @param size endpoint size
va009039 10:40c7f6788902 43 * @param ep_number endpoint number
va009039 10:40c7f6788902 44 */
va009039 10:40c7f6788902 45 void init(ENDPOINT_TYPE _type, ENDPOINT_DIRECTION _dir, uint32_t size, uint8_t ep_number) {
va009039 10:40c7f6788902 46 type = _type;
va009039 10:40c7f6788902 47 dir = _dir;
va009039 10:40c7f6788902 48 MaxPacketSize = size;
va009039 10:40c7f6788902 49 address = ep_number;
va009039 10:40c7f6788902 50 data01_toggle = DATA0;
va009039 8:6463cd1964c0 51 }
va009039 9:7f9f64cf5ded 52
va009039 9:7f9f64cf5ded 53 /**
va009039 9:7f9f64cf5ded 54 * Attach a member function to call when a transfer is finished
va009039 9:7f9f64cf5ded 55 *
va009039 9:7f9f64cf5ded 56 * @param tptr pointer to the object to call the member function on
va009039 9:7f9f64cf5ded 57 * @param mptr pointer to the member function to be called
va009039 9:7f9f64cf5ded 58 */
va009039 9:7f9f64cf5ded 59 template<typename T>
va009039 9:7f9f64cf5ded 60 inline void attach(T* tptr, void (T::*mptr)(void)) {
va009039 9:7f9f64cf5ded 61 if((mptr != NULL) && (tptr != NULL)) {
va009039 9:7f9f64cf5ded 62 rx.attach(tptr, mptr);
va009039 9:7f9f64cf5ded 63 }
va009039 9:7f9f64cf5ded 64 }
va009039 9:7f9f64cf5ded 65
va009039 9:7f9f64cf5ded 66 /**
va009039 9:7f9f64cf5ded 67 * Attach a callback called when a transfer is finished
va009039 9:7f9f64cf5ded 68 *
va009039 9:7f9f64cf5ded 69 * @param fptr function pointer
va009039 9:7f9f64cf5ded 70 */
va009039 9:7f9f64cf5ded 71 inline void attach(void (*fptr)(void)) {
va009039 9:7f9f64cf5ded 72 if(fptr != NULL) {
va009039 9:7f9f64cf5ded 73 rx.attach(fptr);
va009039 9:7f9f64cf5ded 74 }
va009039 9:7f9f64cf5ded 75 }
va009039 9:7f9f64cf5ded 76
va009039 9:7f9f64cf5ded 77 /**
va009039 9:7f9f64cf5ded 78 * Call the handler associted to the end of a transfer
va009039 9:7f9f64cf5ded 79 */
va009039 9:7f9f64cf5ded 80 inline void call() {
va009039 9:7f9f64cf5ded 81 rx.call();
va009039 9:7f9f64cf5ded 82 };
va009039 9:7f9f64cf5ded 83
va009039 8:6463cd1964c0 84 void setDevice(USBDeviceConnected* _dev) { dev = _dev; }
va009039 5:10bfc10afcc8 85 void setState(uint8_t st){}; // dummy
va009039 9:7f9f64cf5ded 86 void setBuffer(uint8_t* buf, int size) { buf_start = buf, buf_size = size; }
va009039 8:6463cd1964c0 87 void setLengthTransferred(int len) { transferred = len; };
va009039 5:10bfc10afcc8 88 void setSize(int size) { MaxPacketSize = size; }
va009039 5:10bfc10afcc8 89 void setData01(uint8_t data01) { data01_toggle = data01; }
va009039 10:40c7f6788902 90 void setNextEndpoint(USBEndpoint* ep) { nextEp = ep; };
va009039 8:6463cd1964c0 91
va009039 8:6463cd1964c0 92 USBDeviceConnected* getDevice() { return dev; }
va009039 8:6463cd1964c0 93 ENDPOINT_TYPE getType() { return type; };
va009039 8:6463cd1964c0 94 int getLengthTransferred() { return transferred; }
va009039 9:7f9f64cf5ded 95 uint8_t *getBufStart() { return buf_start; }
va009039 9:7f9f64cf5ded 96 int getBufSize() { return buf_size; }
va009039 5:10bfc10afcc8 97 uint8_t getAddress(){ return address; };
va009039 5:10bfc10afcc8 98 int getSize() { return MaxPacketSize; }
va009039 10:40c7f6788902 99 ENDPOINT_DIRECTION getDir() { return dir; }
va009039 5:10bfc10afcc8 100 uint8_t getData01() { return data01_toggle; }
va009039 5:10bfc10afcc8 101 void toggleData01() {
va009039 5:10bfc10afcc8 102 data01_toggle = (data01_toggle == DATA0) ? DATA1 : DATA0;
va009039 5:10bfc10afcc8 103 }
va009039 10:40c7f6788902 104 USBEndpoint* nextEndpoint() { return nextEp; };
va009039 5:10bfc10afcc8 105
va009039 5:10bfc10afcc8 106 private:
va009039 8:6463cd1964c0 107 ENDPOINT_TYPE type;
va009039 8:6463cd1964c0 108 ENDPOINT_DIRECTION dir;
va009039 8:6463cd1964c0 109 USBDeviceConnected* dev;
va009039 5:10bfc10afcc8 110 uint8_t data01_toggle; // DATA0,DATA1
va009039 5:10bfc10afcc8 111 uint8_t address;
va009039 8:6463cd1964c0 112 int transferred;
va009039 9:7f9f64cf5ded 113 uint8_t * buf_start;
va009039 9:7f9f64cf5ded 114 int buf_size;
va009039 9:7f9f64cf5ded 115 FunctionPointer rx;
va009039 10:40c7f6788902 116 int MaxPacketSize;
va009039 10:40c7f6788902 117 USBEndpoint* nextEp;
va009039 10:40c7f6788902 118 };
va009039 9:7f9f64cf5ded 119
va009039 10:40c7f6788902 120 class EndpointQueue {
va009039 10:40c7f6788902 121 public:
va009039 10:40c7f6788902 122 EndpointQueue():head(NULL),tail(NULL) {}
va009039 10:40c7f6788902 123 void push(USBEndpoint* ep) {
va009039 10:40c7f6788902 124 if (head) {
va009039 10:40c7f6788902 125 tail->setNextEndpoint(ep);
va009039 10:40c7f6788902 126 } else {
va009039 10:40c7f6788902 127 head = ep;
va009039 10:40c7f6788902 128 }
va009039 10:40c7f6788902 129 tail = ep;
va009039 10:40c7f6788902 130 ep->setNextEndpoint(NULL);
va009039 10:40c7f6788902 131 }
va009039 10:40c7f6788902 132 USBEndpoint* pop() {
va009039 10:40c7f6788902 133 USBEndpoint* ep = head;
va009039 10:40c7f6788902 134 if (ep) {
va009039 10:40c7f6788902 135 head = ep->nextEndpoint();
va009039 10:40c7f6788902 136 }
va009039 10:40c7f6788902 137 return ep;
va009039 10:40c7f6788902 138 }
va009039 10:40c7f6788902 139 bool empty() { return head == NULL; }
va009039 10:40c7f6788902 140
va009039 10:40c7f6788902 141 private:
va009039 10:40c7f6788902 142 USBEndpoint* head;
va009039 10:40c7f6788902 143 USBEndpoint* tail;
va009039 5:10bfc10afcc8 144 };