Joerg Schmalzl / USBHost_DISCO-F746NG_joerg

USB lib Joerg

Fork of USBHost_DISCO-F746NG by Dieter Graef

USBHost/USBEndpoint.h@24:5396b6a93262, 2016-06-13 (annotated)

Committer:
DieterGraef
Date:
Mon Jun 13 17:21:07 2016 +0000
Revision:
24:5396b6a93262
Parent:
18:61554f238584 
USB Host for STM32F746 DISCO Board. At the moment you can only use either the High Speed Port or the Fast Speed Port.

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 */
DieterGraef 24:5396b6a93262 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 16:981c3104f6c0 35 pData = NULL;
va009039 12:b91fdea8c0a7 36 }
va009039 12:b91fdea8c0a7 37
va009039 12:b91fdea8c0a7 38 /**
va009039 12:b91fdea8c0a7 39 * Initialize an endpoint
va009039 12:b91fdea8c0a7 40 *
va009039 12:b91fdea8c0a7 41 * @param type endpoint type
va009039 12:b91fdea8c0a7 42 * @param dir endpoint direction
va009039 12:b91fdea8c0a7 43 * @param size endpoint size
va009039 12:b91fdea8c0a7 44 * @param ep_number endpoint number
va009039 12:b91fdea8c0a7 45 */
va009039 12:b91fdea8c0a7 46 void init(ENDPOINT_TYPE _type, ENDPOINT_DIRECTION _dir, uint32_t size, uint8_t ep_number) {
va009039 16:981c3104f6c0 47 setState(USB_TYPE_FREE);
va009039 16:981c3104f6c0 48 setType(_type);
va009039 12:b91fdea8c0a7 49 dir = _dir;
va009039 12:b91fdea8c0a7 50 MaxPacketSize = size;
va009039 12:b91fdea8c0a7 51 address = ep_number;
va009039 12:b91fdea8c0a7 52 data01_toggle = DATA0;
va009039 12:b91fdea8c0a7 53 }
va009039 12:b91fdea8c0a7 54
va009039 18:61554f238584 55 void ohci_init(uint8_t frameCount, uint8_t queueLimit) {
va009039 18:61554f238584 56 ohci.frameCount = frameCount;
va009039 18:61554f238584 57 ohci.queueLimit = queueLimit;
va009039 18:61554f238584 58 }
va009039 18:61554f238584 59
va009039 12:b91fdea8c0a7 60 /**
va009039 12:b91fdea8c0a7 61 * Attach a member function to call when a transfer is finished
va009039 12:b91fdea8c0a7 62 *
va009039 12:b91fdea8c0a7 63 * @param tptr pointer to the object to call the member function on
va009039 12:b91fdea8c0a7 64 * @param mptr pointer to the member function to be called
va009039 12:b91fdea8c0a7 65 */
va009039 12:b91fdea8c0a7 66 template<typename T>
va009039 12:b91fdea8c0a7 67 inline void attach(T* tptr, void (T::*mptr)(void)) {
va009039 12:b91fdea8c0a7 68 if((mptr != NULL) && (tptr != NULL)) {
va009039 12:b91fdea8c0a7 69 rx.attach(tptr, mptr);
va009039 12:b91fdea8c0a7 70 }
va009039 12:b91fdea8c0a7 71 }
va009039 12:b91fdea8c0a7 72
va009039 12:b91fdea8c0a7 73 /**
va009039 12:b91fdea8c0a7 74 * Attach a callback called when a transfer is finished
va009039 12:b91fdea8c0a7 75 *
va009039 12:b91fdea8c0a7 76 * @param fptr function pointer
va009039 12:b91fdea8c0a7 77 */
va009039 12:b91fdea8c0a7 78 inline void attach(void (*fptr)(void)) {
va009039 12:b91fdea8c0a7 79 if(fptr != NULL) {
va009039 12:b91fdea8c0a7 80 rx.attach(fptr);
va009039 12:b91fdea8c0a7 81 }
va009039 12:b91fdea8c0a7 82 }
va009039 12:b91fdea8c0a7 83
va009039 12:b91fdea8c0a7 84 /**
va009039 12:b91fdea8c0a7 85 * Call the handler associted to the end of a transfer
va009039 12:b91fdea8c0a7 86 */
va009039 12:b91fdea8c0a7 87 inline void call() {
va009039 12:b91fdea8c0a7 88 rx.call();
va009039 12:b91fdea8c0a7 89 };
va009039 12:b91fdea8c0a7 90
va009039 16:981c3104f6c0 91 void setType(ENDPOINT_TYPE _type) { type = _type; }
va009039 16:981c3104f6c0 92 void setState(USB_TYPE st) { state = st; }
va009039 12:b91fdea8c0a7 93 void setDevice(USBDeviceConnected* _dev) { dev = _dev; }
va009039 12:b91fdea8c0a7 94 void setBuffer(uint8_t* buf, int size) { buf_start = buf, buf_size = size; }
va009039 12:b91fdea8c0a7 95 void setLengthTransferred(int len) { transferred = len; };
va009039 12:b91fdea8c0a7 96 void setAddress(int addr) { address = addr; }
va009039 12:b91fdea8c0a7 97 void setSize(int size) { MaxPacketSize = size; }
va009039 12:b91fdea8c0a7 98 void setData01(uint8_t data01) { data01_toggle = data01; }
va009039 12:b91fdea8c0a7 99 void setNextEndpoint(USBEndpoint* ep) { nextEp = ep; };
va009039 16:981c3104f6c0 100 template<class T>
va009039 16:981c3104f6c0 101 void setHALData(T data) { pData = data; }
va009039 12:b91fdea8c0a7 102
va009039 12:b91fdea8c0a7 103 USBDeviceConnected* getDevice() { return dev; }
va009039 12:b91fdea8c0a7 104 ENDPOINT_TYPE getType() { return type; };
va009039 16:981c3104f6c0 105 USB_TYPE getState() { return state; }
va009039 12:b91fdea8c0a7 106 int getLengthTransferred() { return transferred; }
va009039 12:b91fdea8c0a7 107 uint8_t *getBufStart() { return buf_start; }
va009039 12:b91fdea8c0a7 108 int getBufSize() { return buf_size; }
va009039 12:b91fdea8c0a7 109 uint8_t getAddress(){ return address; };
va009039 12:b91fdea8c0a7 110 int getSize() { return MaxPacketSize; }
va009039 12:b91fdea8c0a7 111 ENDPOINT_DIRECTION getDir() { return dir; }
va009039 12:b91fdea8c0a7 112 uint8_t getData01() { return data01_toggle; }
va009039 12:b91fdea8c0a7 113 void toggleData01() {
va009039 12:b91fdea8c0a7 114 data01_toggle = (data01_toggle == DATA0) ? DATA1 : DATA0;
va009039 12:b91fdea8c0a7 115 }
va009039 12:b91fdea8c0a7 116 USBEndpoint* nextEndpoint() { return nextEp; };
va009039 16:981c3104f6c0 117 template<class T>
va009039 16:981c3104f6c0 118 T getHALData() { return reinterpret_cast<T>(pData); }
va009039 12:b91fdea8c0a7 119
va009039 18:61554f238584 120 struct {
va009039 18:61554f238584 121 uint8_t queueLimit;
va009039 18:61554f238584 122 uint8_t frameCount; // 1-8
va009039 18:61554f238584 123 } ohci;
va009039 12:b91fdea8c0a7 124 private:
va009039 16:981c3104f6c0 125 USBEndpoint(){}
va009039 12:b91fdea8c0a7 126 ENDPOINT_TYPE type;
va009039 16:981c3104f6c0 127 USB_TYPE state;
va009039 12:b91fdea8c0a7 128 ENDPOINT_DIRECTION dir;
va009039 12:b91fdea8c0a7 129 USBDeviceConnected* dev;
va009039 12:b91fdea8c0a7 130 uint8_t data01_toggle; // DATA0,DATA1
va009039 12:b91fdea8c0a7 131 uint8_t address;
va009039 12:b91fdea8c0a7 132 int transferred;
va009039 12:b91fdea8c0a7 133 uint8_t * buf_start;
va009039 12:b91fdea8c0a7 134 int buf_size;
va009039 12:b91fdea8c0a7 135 FunctionPointer rx;
va009039 12:b91fdea8c0a7 136 int MaxPacketSize;
va009039 12:b91fdea8c0a7 137 USBEndpoint* nextEp;
va009039 16:981c3104f6c0 138 void* pData;
va009039 12:b91fdea8c0a7 139 };
va009039 12:b91fdea8c0a7 140
va009039 12:b91fdea8c0a7 141 class EndpointQueue {
va009039 12:b91fdea8c0a7 142 public:
va009039 12:b91fdea8c0a7 143 EndpointQueue():head(NULL),tail(NULL) {}
va009039 12:b91fdea8c0a7 144 void push(USBEndpoint* ep) {
va009039 12:b91fdea8c0a7 145 if (head) {
va009039 12:b91fdea8c0a7 146 tail->setNextEndpoint(ep);
va009039 12:b91fdea8c0a7 147 } else {
va009039 12:b91fdea8c0a7 148 head = ep;
va009039 12:b91fdea8c0a7 149 }
va009039 12:b91fdea8c0a7 150 tail = ep;
va009039 12:b91fdea8c0a7 151 ep->setNextEndpoint(NULL);
va009039 12:b91fdea8c0a7 152 }
va009039 12:b91fdea8c0a7 153 USBEndpoint* pop() {
va009039 12:b91fdea8c0a7 154 USBEndpoint* ep = head;
va009039 12:b91fdea8c0a7 155 if (ep) {
va009039 12:b91fdea8c0a7 156 head = ep->nextEndpoint();
va009039 12:b91fdea8c0a7 157 }
va009039 12:b91fdea8c0a7 158 return ep;
va009039 12:b91fdea8c0a7 159 }
va009039 12:b91fdea8c0a7 160 bool empty() { return head == NULL; }
va009039 12:b91fdea8c0a7 161
va009039 12:b91fdea8c0a7 162 private:
va009039 12:b91fdea8c0a7 163 USBEndpoint* head;
va009039 12:b91fdea8c0a7 164 USBEndpoint* tail;
va009039 12:b91fdea8c0a7 165 };
va009039 16:981c3104f6c0 166
va009039 16:981c3104f6c0 167