mbed official / USBHost

USBHost library. NOTE: This library is only officially supported on the LPC1768 platform. For more information, please see the handbook page.

Dependencies:   FATFileSystem mbed-rtos

Dependents:   BTstack WallbotWii SD to Flash Data Transfer USBHost-MSD_HelloWorld ... more

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This is an mbed 2 library. To learn more about mbed OS 5, visit the docs.

Pull requests against this repository are no longer supported. Please raise against mbed OS 5 as documented above.

USBHost/USBDeviceConnected.cpp@40:7c3b59bb364e, 2017-08-17 (annotated)

Committer:
Anna Bridge
Date:
Thu Aug 17 18:12:22 2017 +0100
Revision:
40:7c3b59bb364e
Parent:
37:f1e388e7b752 
DISCO_L475VG_IOT01A: Add support of USBHost

Who changed what in which revision?

UserRevisionLine numberNew contents of line
samux 8:93da8ea2708b 1 /* mbed USBHost Library
samux 8:93da8ea2708b 2 * Copyright (c) 2006-2013 ARM Limited
samux 8:93da8ea2708b 3 *
samux 8:93da8ea2708b 4 * Licensed under the Apache License, Version 2.0 (the "License");
samux 8:93da8ea2708b 5 * you may not use this file except in compliance with the License.
samux 8:93da8ea2708b 6 * You may obtain a copy of the License at
samux 8:93da8ea2708b 7 *
samux 8:93da8ea2708b 8 * http://www.apache.org/licenses/LICENSE-2.0
samux 8:93da8ea2708b 9 *
samux 8:93da8ea2708b 10 * Unless required by applicable law or agreed to in writing, software
samux 8:93da8ea2708b 11 * distributed under the License is distributed on an "AS IS" BASIS,
samux 8:93da8ea2708b 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
samux 8:93da8ea2708b 13 * See the License for the specific language governing permissions and
samux 8:93da8ea2708b 14 * limitations under the License.
samux 8:93da8ea2708b 15 */
mbed_official 0:a554658735bf 16
mbed_official 0:a554658735bf 17 #include "USBDeviceConnected.h"
mbed_official 0:a554658735bf 18 #include "dbg.h"
mbed_official 0:a554658735bf 19
mbed_official 0:a554658735bf 20 USBDeviceConnected::USBDeviceConnected() {
mbed_official 0:a554658735bf 21 init();
mbed_official 0:a554658735bf 22 }
mbed_official 0:a554658735bf 23
mbed_official 0:a554658735bf 24 void USBDeviceConnected::init() {
mbed_official 0:a554658735bf 25 hub_nb = 0;
mbed_official 0:a554658735bf 26 port = 0;
mbed_official 0:a554658735bf 27 vid = 0;
mbed_official 0:a554658735bf 28 pid = 0;
mbed_official 0:a554658735bf 29 nb_interf = 0;
mbed_official 0:a554658735bf 30 enumerated = false;
mbed_official 0:a554658735bf 31 activeAddr = false;
mbed_official 0:a554658735bf 32 sizeControlEndpoint = 8;
mbed_official 0:a554658735bf 33 device_class = 0;
mbed_official 0:a554658735bf 34 device_subclass = 0;
mbed_official 0:a554658735bf 35 proto = 0;
mbed_official 0:a554658735bf 36 speed = false;
mbed_official 0:a554658735bf 37 for (int i = 0; i < MAX_INTF; i++) {
mbed_official 0:a554658735bf 38 memset((void *)&intf[i], 0, sizeof(INTERFACE));
mbed_official 0:a554658735bf 39 intf[i].in_use = false;
mbed_official 0:a554658735bf 40 for (int j = 0; j < MAX_ENDPOINT_PER_INTERFACE; j++) {
mbed_official 0:a554658735bf 41 intf[i].ep[j] = NULL;
samux 4:b320d68e98e7 42 strcpy(intf[i].name, "Unknown");
mbed_official 0:a554658735bf 43 }
mbed_official 0:a554658735bf 44 }
mbed_official 0:a554658735bf 45 hub_parent = NULL;
mbed_official 0:a554658735bf 46 hub = NULL;
samux 4:b320d68e98e7 47 nb_interf = 0;
mbed_official 0:a554658735bf 48 }
mbed_official 0:a554658735bf 49
mbed_official 0:a554658735bf 50 INTERFACE * USBDeviceConnected::getInterface(uint8_t index) {
samux 4:b320d68e98e7 51 if (index >= MAX_INTF)
mbed_official 0:a554658735bf 52 return NULL;
mbed_official 24:868cbfe611a7 53
samux 4:b320d68e98e7 54 if (intf[index].in_use)
samux 4:b320d68e98e7 55 return &intf[index];
mbed_official 24:868cbfe611a7 56
samux 4:b320d68e98e7 57 return NULL;
mbed_official 0:a554658735bf 58 }
mbed_official 0:a554658735bf 59
mbed_official 0:a554658735bf 60 bool USBDeviceConnected::addInterface(uint8_t intf_nb, uint8_t intf_class, uint8_t intf_subclass, uint8_t intf_protocol) {
mbed_official 0:a554658735bf 61 if ((intf_nb >= MAX_INTF) || (intf[intf_nb].in_use)) {
mbed_official 0:a554658735bf 62 return false;
mbed_official 0:a554658735bf 63 }
mbed_official 0:a554658735bf 64 intf[intf_nb].in_use = true;
mbed_official 0:a554658735bf 65 intf[intf_nb].intf_class = intf_class;
mbed_official 0:a554658735bf 66 intf[intf_nb].intf_subclass = intf_subclass;
mbed_official 0:a554658735bf 67 intf[intf_nb].intf_protocol = intf_protocol;
mbed_official 0:a554658735bf 68 intf[intf_nb].nb_endpoint = 0;
mbed_official 0:a554658735bf 69 return true;
mbed_official 0:a554658735bf 70 }
mbed_official 0:a554658735bf 71
mbed_official 0:a554658735bf 72 bool USBDeviceConnected::addEndpoint(uint8_t intf_nb, USBEndpoint * ept) {
mbed_official 0:a554658735bf 73 if ((intf_nb >= MAX_INTF) || (intf[intf_nb].in_use == false) || (intf[intf_nb].nb_endpoint >= MAX_ENDPOINT_PER_INTERFACE)) {
mbed_official 0:a554658735bf 74 return false;
mbed_official 0:a554658735bf 75 }
mbed_official 0:a554658735bf 76 intf[intf_nb].nb_endpoint++;
mbed_official 0:a554658735bf 77
mbed_official 0:a554658735bf 78 for (int i = 0; i < MAX_ENDPOINT_PER_INTERFACE; i++) {
mbed_official 0:a554658735bf 79 if (intf[intf_nb].ep[i] == NULL) {
mbed_official 0:a554658735bf 80 intf[intf_nb].ep[i] = ept;
mbed_official 0:a554658735bf 81 return true;
mbed_official 0:a554658735bf 82 }
mbed_official 0:a554658735bf 83 }
mbed_official 0:a554658735bf 84 return false;
mbed_official 0:a554658735bf 85 }
mbed_official 0:a554658735bf 86
mbed_official 0:a554658735bf 87 void USBDeviceConnected::init(uint8_t hub_, uint8_t port_, bool lowSpeed_) {
mbed_official 0:a554658735bf 88 USB_DBG("init dev: %p", this);
mbed_official 0:a554658735bf 89 init();
mbed_official 0:a554658735bf 90 hub_nb = hub_;
mbed_official 0:a554658735bf 91 port = port_;
mbed_official 0:a554658735bf 92 speed = lowSpeed_;
mbed_official 0:a554658735bf 93 }
mbed_official 0:a554658735bf 94
mbed_official 0:a554658735bf 95 void USBDeviceConnected::disconnect() {
samux 4:b320d68e98e7 96 for(int i = 0; i < MAX_INTF; i++) {
Kojto 37:f1e388e7b752 97 if (intf[i].detach) intf[i].detach.call();
mbed_official 0:a554658735bf 98 }
mbed_official 0:a554658735bf 99 init();
mbed_official 0:a554658735bf 100 }
mbed_official 0:a554658735bf 101
mbed_official 0:a554658735bf 102
mbed_official 0:a554658735bf 103 USBEndpoint * USBDeviceConnected::getEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir, uint8_t index) {
mbed_official 0:a554658735bf 104 if (intf_nb >= MAX_INTF) {
mbed_official 0:a554658735bf 105 return NULL;
mbed_official 0:a554658735bf 106 }
mbed_official 0:a554658735bf 107 for (int i = 0; i < MAX_ENDPOINT_PER_INTERFACE; i++) {
mbed_official 0:a554658735bf 108 if ((intf[intf_nb].ep[i]->getType() == type) && (intf[intf_nb].ep[i]->getDir() == dir)) {
mbed_official 0:a554658735bf 109 if(index) {
mbed_official 0:a554658735bf 110 index--;
mbed_official 0:a554658735bf 111 } else {
mbed_official 0:a554658735bf 112 return intf[intf_nb].ep[i];
mbed_official 0:a554658735bf 113 }
mbed_official 0:a554658735bf 114 }
mbed_official 0:a554658735bf 115 }
mbed_official 0:a554658735bf 116 return NULL;
mbed_official 0:a554658735bf 117 }
mbed_official 0:a554658735bf 118
mbed_official 0:a554658735bf 119 USBEndpoint * USBDeviceConnected::getEndpoint(uint8_t intf_nb, uint8_t index) {
mbed_official 0:a554658735bf 120 if ((intf_nb >= MAX_INTF) || (index >= MAX_ENDPOINT_PER_INTERFACE)) {
mbed_official 0:a554658735bf 121 return NULL;
mbed_official 0:a554658735bf 122 }
mbed_official 0:a554658735bf 123 return intf[intf_nb].ep[index];
mbed_official 0:a554658735bf 124 }