DECS_2018 / F401RE-USBHost

Usb read

Dependencies:   FATFileSystem

Fork of F401RE-USBHost by Norimasa Okamoto

USBHost/USBEndpoint.h@12:b91fdea8c0a7, 2014-06-09 (annotated)

Committer:
va009039
Date:
Mon Jun 09 09:01:10 2014 +0000
Revision:
12:b91fdea8c0a7
Child:
16:981c3104f6c0
Simple USBHost for Nucleo F401RE

Who changed what in which revision?

UserRevisionLine numberNew contents of line
va009039 12:b91fdea8c0a7 1 /* mbed USBHost Library
va009039 12:b91fdea8c0a7 2 * Copyright (c) 2006-2013 ARM Limited
va009039 12:b91fdea8c0a7 3 *
va009039 12:b91fdea8c0a7 4 * Licensed under the Apache License, Version 2.0 (the "License");
va009039 12:b91fdea8c0a7 5 * you may not use this file except in compliance with the License.
va009039 12:b91fdea8c0a7 6 * You may obtain a copy of the License at
va009039 12:b91fdea8c0a7 7 *
va009039 12:b91fdea8c0a7 8 * http://www.apache.org/licenses/LICENSE-2.0
va009039 12:b91fdea8c0a7 9 *
va009039 12:b91fdea8c0a7 10 * Unless required by applicable law or agreed to in writing, software
va009039 12:b91fdea8c0a7 11 * distributed under the License is distributed on an "AS IS" BASIS,
va009039 12:b91fdea8c0a7 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
va009039 12:b91fdea8c0a7 13 * See the License for the specific language governing permissions and
va009039 12:b91fdea8c0a7 14 * limitations under the License.
va009039 12:b91fdea8c0a7 15 */
va009039 12:b91fdea8c0a7 16
va009039 12:b91fdea8c0a7 17 #pragma once
va009039 12:b91fdea8c0a7 18 #include "FunctionPointer.h"
va009039 12:b91fdea8c0a7 19 #include "USBHostTypes.h"
va009039 12:b91fdea8c0a7 20 #include "USBDeviceConnected.h"
va009039 12:b91fdea8c0a7 21
va009039 12:b91fdea8c0a7 22 class USBDeviceConnected;
va009039 12:b91fdea8c0a7 23
va009039 12:b91fdea8c0a7 24 /**
va009039 12:b91fdea8c0a7 25 * USBEndpoint class
va009039 12:b91fdea8c0a7 26 */
va009039 12:b91fdea8c0a7 27 class USBEndpoint {
va009039 12:b91fdea8c0a7 28 public:
va009039 12:b91fdea8c0a7 29 /**
va009039 12:b91fdea8c0a7 30 * Constructor
va009039 12:b91fdea8c0a7 31 */
va009039 12:b91fdea8c0a7 32 USBEndpoint(USBDeviceConnected* _dev) {
va009039 12:b91fdea8c0a7 33 init(CONTROL_ENDPOINT, IN, 8, 0);
va009039 12:b91fdea8c0a7 34 dev = _dev;
va009039 12:b91fdea8c0a7 35 }
va009039 12:b91fdea8c0a7 36
va009039 12:b91fdea8c0a7 37 /**
va009039 12:b91fdea8c0a7 38 * Initialize an endpoint
va009039 12:b91fdea8c0a7 39 *
va009039 12:b91fdea8c0a7 40 * @param type endpoint type
va009039 12:b91fdea8c0a7 41 * @param dir endpoint direction
va009039 12:b91fdea8c0a7 42 * @param size endpoint size
va009039 12:b91fdea8c0a7 43 * @param ep_number endpoint number
va009039 12:b91fdea8c0a7 44 */
va009039 12:b91fdea8c0a7 45 void init(ENDPOINT_TYPE _type, ENDPOINT_DIRECTION _dir, uint32_t size, uint8_t ep_number) {
va009039 12:b91fdea8c0a7 46 type = _type;
va009039 12:b91fdea8c0a7 47 dir = _dir;
va009039 12:b91fdea8c0a7 48 MaxPacketSize = size;
va009039 12:b91fdea8c0a7 49 address = ep_number;
va009039 12:b91fdea8c0a7 50 data01_toggle = DATA0;
va009039 12:b91fdea8c0a7 51 }
va009039 12:b91fdea8c0a7 52
va009039 12:b91fdea8c0a7 53 /**
va009039 12:b91fdea8c0a7 54 * Attach a member function to call when a transfer is finished
va009039 12:b91fdea8c0a7 55 *
va009039 12:b91fdea8c0a7 56 * @param tptr pointer to the object to call the member function on
va009039 12:b91fdea8c0a7 57 * @param mptr pointer to the member function to be called
va009039 12:b91fdea8c0a7 58 */
va009039 12:b91fdea8c0a7 59 template<typename T>
va009039 12:b91fdea8c0a7 60 inline void attach(T* tptr, void (T::*mptr)(void)) {
va009039 12:b91fdea8c0a7 61 if((mptr != NULL) && (tptr != NULL)) {
va009039 12:b91fdea8c0a7 62 rx.attach(tptr, mptr);
va009039 12:b91fdea8c0a7 63 }
va009039 12:b91fdea8c0a7 64 }
va009039 12:b91fdea8c0a7 65
va009039 12:b91fdea8c0a7 66 /**
va009039 12:b91fdea8c0a7 67 * Attach a callback called when a transfer is finished
va009039 12:b91fdea8c0a7 68 *
va009039 12:b91fdea8c0a7 69 * @param fptr function pointer
va009039 12:b91fdea8c0a7 70 */
va009039 12:b91fdea8c0a7 71 inline void attach(void (*fptr)(void)) {
va009039 12:b91fdea8c0a7 72 if(fptr != NULL) {
va009039 12:b91fdea8c0a7 73 rx.attach(fptr);
va009039 12:b91fdea8c0a7 74 }
va009039 12:b91fdea8c0a7 75 }
va009039 12:b91fdea8c0a7 76
va009039 12:b91fdea8c0a7 77 /**
va009039 12:b91fdea8c0a7 78 * Call the handler associted to the end of a transfer
va009039 12:b91fdea8c0a7 79 */
va009039 12:b91fdea8c0a7 80 inline void call() {
va009039 12:b91fdea8c0a7 81 rx.call();
va009039 12:b91fdea8c0a7 82 };
va009039 12:b91fdea8c0a7 83
va009039 12:b91fdea8c0a7 84 void setDevice(USBDeviceConnected* _dev) { dev = _dev; }
va009039 12:b91fdea8c0a7 85 void setState(uint8_t st){}; // dummy
va009039 12:b91fdea8c0a7 86 void setBuffer(uint8_t* buf, int size) { buf_start = buf, buf_size = size; }
va009039 12:b91fdea8c0a7 87 void setLengthTransferred(int len) { transferred = len; };
va009039 12:b91fdea8c0a7 88 void setAddress(int addr) { address = addr; }
va009039 12:b91fdea8c0a7 89 void setSize(int size) { MaxPacketSize = size; }
va009039 12:b91fdea8c0a7 90 void setData01(uint8_t data01) { data01_toggle = data01; }
va009039 12:b91fdea8c0a7 91 void setNextEndpoint(USBEndpoint* ep) { nextEp = ep; };
va009039 12:b91fdea8c0a7 92
va009039 12:b91fdea8c0a7 93 USBDeviceConnected* getDevice() { return dev; }
va009039 12:b91fdea8c0a7 94 ENDPOINT_TYPE getType() { return type; };
va009039 12:b91fdea8c0a7 95 int getLengthTransferred() { return transferred; }
va009039 12:b91fdea8c0a7 96 uint8_t *getBufStart() { return buf_start; }
va009039 12:b91fdea8c0a7 97 int getBufSize() { return buf_size; }
va009039 12:b91fdea8c0a7 98 uint8_t getAddress(){ return address; };
va009039 12:b91fdea8c0a7 99 int getSize() { return MaxPacketSize; }
va009039 12:b91fdea8c0a7 100 ENDPOINT_DIRECTION getDir() { return dir; }
va009039 12:b91fdea8c0a7 101 uint8_t getData01() { return data01_toggle; }
va009039 12:b91fdea8c0a7 102 void toggleData01() {
va009039 12:b91fdea8c0a7 103 data01_toggle = (data01_toggle == DATA0) ? DATA1 : DATA0;
va009039 12:b91fdea8c0a7 104 }
va009039 12:b91fdea8c0a7 105 USBEndpoint* nextEndpoint() { return nextEp; };
va009039 12:b91fdea8c0a7 106
va009039 12:b91fdea8c0a7 107 private:
va009039 12:b91fdea8c0a7 108 ENDPOINT_TYPE type;
va009039 12:b91fdea8c0a7 109 ENDPOINT_DIRECTION dir;
va009039 12:b91fdea8c0a7 110 USBDeviceConnected* dev;
va009039 12:b91fdea8c0a7 111 uint8_t data01_toggle; // DATA0,DATA1
va009039 12:b91fdea8c0a7 112 uint8_t address;
va009039 12:b91fdea8c0a7 113 int transferred;
va009039 12:b91fdea8c0a7 114 uint8_t * buf_start;
va009039 12:b91fdea8c0a7 115 int buf_size;
va009039 12:b91fdea8c0a7 116 FunctionPointer rx;
va009039 12:b91fdea8c0a7 117 int MaxPacketSize;
va009039 12:b91fdea8c0a7 118 USBEndpoint* nextEp;
va009039 12:b91fdea8c0a7 119 };
va009039 12:b91fdea8c0a7 120
va009039 12:b91fdea8c0a7 121 class EndpointQueue {
va009039 12:b91fdea8c0a7 122 public:
va009039 12:b91fdea8c0a7 123 EndpointQueue():head(NULL),tail(NULL) {}
va009039 12:b91fdea8c0a7 124 void push(USBEndpoint* ep) {
va009039 12:b91fdea8c0a7 125 if (head) {
va009039 12:b91fdea8c0a7 126 tail->setNextEndpoint(ep);
va009039 12:b91fdea8c0a7 127 } else {
va009039 12:b91fdea8c0a7 128 head = ep;
va009039 12:b91fdea8c0a7 129 }
va009039 12:b91fdea8c0a7 130 tail = ep;
va009039 12:b91fdea8c0a7 131 ep->setNextEndpoint(NULL);
va009039 12:b91fdea8c0a7 132 }
va009039 12:b91fdea8c0a7 133 USBEndpoint* pop() {
va009039 12:b91fdea8c0a7 134 USBEndpoint* ep = head;
va009039 12:b91fdea8c0a7 135 if (ep) {
va009039 12:b91fdea8c0a7 136 head = ep->nextEndpoint();
va009039 12:b91fdea8c0a7 137 }
va009039 12:b91fdea8c0a7 138 return ep;
va009039 12:b91fdea8c0a7 139 }
va009039 12:b91fdea8c0a7 140 bool empty() { return head == NULL; }
va009039 12:b91fdea8c0a7 141
va009039 12:b91fdea8c0a7 142 private:
va009039 12:b91fdea8c0a7 143 USBEndpoint* head;
va009039 12:b91fdea8c0a7 144 USBEndpoint* tail;
va009039 12:b91fdea8c0a7 145 };