Pierre Provent / USBHost

Dependents:   TEST_USB_Nucleo_F429ZI Essais_USB_Nucleo_F429ZI SID_V3_Nucleo_F429ZI SID_V4_Nucleo_F429ZI_copy

Committer:
pierreprovent
Date:
Fri Sep 25 10:17:49 2020 +0000
Revision:
0:77ca32e8e04e
Programme acquisition en enregistrement sur clef USB carte Nucleo F429ZI cours ELE118 Cnam

Who changed what in which revision?

UserRevisionLine numberNew contents of line
pierreprovent 0:77ca32e8e04e 1 /* mbed USBHost Library
pierreprovent 0:77ca32e8e04e 2 * Copyright (c) 2006-2013 ARM Limited
pierreprovent 0:77ca32e8e04e 3 *
pierreprovent 0:77ca32e8e04e 4 * Licensed under the Apache License, Version 2.0 (the "License");
pierreprovent 0:77ca32e8e04e 5 * you may not use this file except in compliance with the License.
pierreprovent 0:77ca32e8e04e 6 * You may obtain a copy of the License at
pierreprovent 0:77ca32e8e04e 7 *
pierreprovent 0:77ca32e8e04e 8 * http://www.apache.org/licenses/LICENSE-2.0
pierreprovent 0:77ca32e8e04e 9 *
pierreprovent 0:77ca32e8e04e 10 * Unless required by applicable law or agreed to in writing, software
pierreprovent 0:77ca32e8e04e 11 * distributed under the License is distributed on an "AS IS" BASIS,
pierreprovent 0:77ca32e8e04e 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
pierreprovent 0:77ca32e8e04e 13 * See the License for the specific language governing permissions and
pierreprovent 0:77ca32e8e04e 14 * limitations under the License.
pierreprovent 0:77ca32e8e04e 15 */
pierreprovent 0:77ca32e8e04e 16
pierreprovent 0:77ca32e8e04e 17 #include "USBHostMouse.h"
pierreprovent 0:77ca32e8e04e 18
pierreprovent 0:77ca32e8e04e 19 #if USBHOST_MOUSE
pierreprovent 0:77ca32e8e04e 20
pierreprovent 0:77ca32e8e04e 21 USBHostMouse::USBHostMouse()
pierreprovent 0:77ca32e8e04e 22 {
pierreprovent 0:77ca32e8e04e 23 host = USBHost::getHostInst();
pierreprovent 0:77ca32e8e04e 24 init();
pierreprovent 0:77ca32e8e04e 25 }
pierreprovent 0:77ca32e8e04e 26
pierreprovent 0:77ca32e8e04e 27 void USBHostMouse::init()
pierreprovent 0:77ca32e8e04e 28 {
pierreprovent 0:77ca32e8e04e 29 dev = NULL;
pierreprovent 0:77ca32e8e04e 30 int_in = NULL;
pierreprovent 0:77ca32e8e04e 31 onUpdate = NULL;
pierreprovent 0:77ca32e8e04e 32 onButtonUpdate = NULL;
pierreprovent 0:77ca32e8e04e 33 onXUpdate = NULL;
pierreprovent 0:77ca32e8e04e 34 onYUpdate = NULL;
pierreprovent 0:77ca32e8e04e 35 onZUpdate = NULL;
pierreprovent 0:77ca32e8e04e 36 report_id = 0;
pierreprovent 0:77ca32e8e04e 37 dev_connected = false;
pierreprovent 0:77ca32e8e04e 38 mouse_device_found = false;
pierreprovent 0:77ca32e8e04e 39 mouse_intf = -1;
pierreprovent 0:77ca32e8e04e 40
pierreprovent 0:77ca32e8e04e 41 buttons = 0;
pierreprovent 0:77ca32e8e04e 42 x = 0;
pierreprovent 0:77ca32e8e04e 43 y = 0;
pierreprovent 0:77ca32e8e04e 44 z = 0;
pierreprovent 0:77ca32e8e04e 45 }
pierreprovent 0:77ca32e8e04e 46
pierreprovent 0:77ca32e8e04e 47 bool USBHostMouse::connected()
pierreprovent 0:77ca32e8e04e 48 {
pierreprovent 0:77ca32e8e04e 49 return dev_connected;
pierreprovent 0:77ca32e8e04e 50 }
pierreprovent 0:77ca32e8e04e 51
pierreprovent 0:77ca32e8e04e 52 bool USBHostMouse::connect()
pierreprovent 0:77ca32e8e04e 53 {
pierreprovent 0:77ca32e8e04e 54 int len_listen;
pierreprovent 0:77ca32e8e04e 55
pierreprovent 0:77ca32e8e04e 56 if (dev_connected) {
pierreprovent 0:77ca32e8e04e 57 return true;
pierreprovent 0:77ca32e8e04e 58 }
pierreprovent 0:77ca32e8e04e 59
pierreprovent 0:77ca32e8e04e 60 for (uint8_t i = 0; i < MAX_DEVICE_CONNECTED; i++) {
pierreprovent 0:77ca32e8e04e 61 if ((dev = host->getDevice(i)) != NULL) {
pierreprovent 0:77ca32e8e04e 62
pierreprovent 0:77ca32e8e04e 63 if(host->enumerate(dev, this)) {
pierreprovent 0:77ca32e8e04e 64 break;
pierreprovent 0:77ca32e8e04e 65 }
pierreprovent 0:77ca32e8e04e 66 if (mouse_device_found) {
pierreprovent 0:77ca32e8e04e 67 {
pierreprovent 0:77ca32e8e04e 68 /* As this is done in a specific thread
pierreprovent 0:77ca32e8e04e 69 * this lock is taken to avoid to process the device
pierreprovent 0:77ca32e8e04e 70 * disconnect in usb process during the device registering */
pierreprovent 0:77ca32e8e04e 71 USBHost::Lock Lock(host);
pierreprovent 0:77ca32e8e04e 72 int_in = dev->getEndpoint(mouse_intf, INTERRUPT_ENDPOINT, IN);
pierreprovent 0:77ca32e8e04e 73 if (!int_in) {
pierreprovent 0:77ca32e8e04e 74 break;
pierreprovent 0:77ca32e8e04e 75 }
pierreprovent 0:77ca32e8e04e 76
pierreprovent 0:77ca32e8e04e 77 USB_INFO("New Mouse device: VID:%04x PID:%04x [dev: %p - intf: %d]", dev->getVid(), dev->getPid(), dev, mouse_intf);
pierreprovent 0:77ca32e8e04e 78 dev->setName("Mouse", mouse_intf);
pierreprovent 0:77ca32e8e04e 79 host->registerDriver(dev, mouse_intf, this, &USBHostMouse::init);
pierreprovent 0:77ca32e8e04e 80
pierreprovent 0:77ca32e8e04e 81 int_in->attach(this, &USBHostMouse::rxHandler);
pierreprovent 0:77ca32e8e04e 82 len_listen = int_in->getSize();
pierreprovent 0:77ca32e8e04e 83 if (len_listen > sizeof(report)) {
pierreprovent 0:77ca32e8e04e 84 len_listen = sizeof(report);
pierreprovent 0:77ca32e8e04e 85 }
pierreprovent 0:77ca32e8e04e 86 }
pierreprovent 0:77ca32e8e04e 87 int ret=host->interruptRead(dev, int_in, report, len_listen, false);
pierreprovent 0:77ca32e8e04e 88 MBED_ASSERT((ret==USB_TYPE_OK) || (ret ==USB_TYPE_PROCESSING) || (ret == USB_TYPE_FREE));
pierreprovent 0:77ca32e8e04e 89 if ((ret==USB_TYPE_OK) || (ret ==USB_TYPE_PROCESSING)) {
pierreprovent 0:77ca32e8e04e 90 dev_connected = true;
pierreprovent 0:77ca32e8e04e 91 }
pierreprovent 0:77ca32e8e04e 92 if (ret == USB_TYPE_FREE) {
pierreprovent 0:77ca32e8e04e 93 dev_connected = false;
pierreprovent 0:77ca32e8e04e 94 }
pierreprovent 0:77ca32e8e04e 95 return true;
pierreprovent 0:77ca32e8e04e 96 }
pierreprovent 0:77ca32e8e04e 97 }
pierreprovent 0:77ca32e8e04e 98 }
pierreprovent 0:77ca32e8e04e 99 init();
pierreprovent 0:77ca32e8e04e 100 return false;
pierreprovent 0:77ca32e8e04e 101 }
pierreprovent 0:77ca32e8e04e 102
pierreprovent 0:77ca32e8e04e 103 void USBHostMouse::rxHandler()
pierreprovent 0:77ca32e8e04e 104 {
pierreprovent 0:77ca32e8e04e 105 int len_listen = int_in->getLengthTransferred();
pierreprovent 0:77ca32e8e04e 106 if (len_listen !=0) {
pierreprovent 0:77ca32e8e04e 107
pierreprovent 0:77ca32e8e04e 108 if (onUpdate) {
pierreprovent 0:77ca32e8e04e 109 (*onUpdate)(report[0] & 0x07, report[1], report[2], report[3]);
pierreprovent 0:77ca32e8e04e 110 }
pierreprovent 0:77ca32e8e04e 111
pierreprovent 0:77ca32e8e04e 112 if (onButtonUpdate && (buttons != (report[0] & 0x07))) {
pierreprovent 0:77ca32e8e04e 113 (*onButtonUpdate)(report[0] & 0x07);
pierreprovent 0:77ca32e8e04e 114 }
pierreprovent 0:77ca32e8e04e 115
pierreprovent 0:77ca32e8e04e 116 if (onXUpdate && (x != report[1])) {
pierreprovent 0:77ca32e8e04e 117 (*onXUpdate)(report[1]);
pierreprovent 0:77ca32e8e04e 118 }
pierreprovent 0:77ca32e8e04e 119
pierreprovent 0:77ca32e8e04e 120 if (onYUpdate && (y != report[2])) {
pierreprovent 0:77ca32e8e04e 121 (*onYUpdate)(report[2]);
pierreprovent 0:77ca32e8e04e 122 }
pierreprovent 0:77ca32e8e04e 123
pierreprovent 0:77ca32e8e04e 124 if (onZUpdate && (z != report[3])) {
pierreprovent 0:77ca32e8e04e 125 (*onZUpdate)(report[3]);
pierreprovent 0:77ca32e8e04e 126 }
pierreprovent 0:77ca32e8e04e 127
pierreprovent 0:77ca32e8e04e 128 // update mouse state
pierreprovent 0:77ca32e8e04e 129 buttons = report[0] & 0x07;
pierreprovent 0:77ca32e8e04e 130 x = report[1];
pierreprovent 0:77ca32e8e04e 131 y = report[2];
pierreprovent 0:77ca32e8e04e 132 z = report[3];
pierreprovent 0:77ca32e8e04e 133 }
pierreprovent 0:77ca32e8e04e 134 /* set again the maximum value */
pierreprovent 0:77ca32e8e04e 135 len_listen = int_in->getSize();
pierreprovent 0:77ca32e8e04e 136
pierreprovent 0:77ca32e8e04e 137 if (len_listen > sizeof(report)) {
pierreprovent 0:77ca32e8e04e 138 len_listen = sizeof(report);
pierreprovent 0:77ca32e8e04e 139 }
pierreprovent 0:77ca32e8e04e 140
pierreprovent 0:77ca32e8e04e 141 if (dev) {
pierreprovent 0:77ca32e8e04e 142 host->interruptRead(dev, int_in, report, len_listen, false);
pierreprovent 0:77ca32e8e04e 143 }
pierreprovent 0:77ca32e8e04e 144 }
pierreprovent 0:77ca32e8e04e 145
pierreprovent 0:77ca32e8e04e 146 /*virtual*/ void USBHostMouse::setVidPid(uint16_t vid, uint16_t pid)
pierreprovent 0:77ca32e8e04e 147 {
pierreprovent 0:77ca32e8e04e 148 // we don't check VID/PID for mouse driver
pierreprovent 0:77ca32e8e04e 149 }
pierreprovent 0:77ca32e8e04e 150
pierreprovent 0:77ca32e8e04e 151 /*virtual*/ bool USBHostMouse::parseInterface(uint8_t intf_nb, uint8_t intf_class, uint8_t intf_subclass, uint8_t intf_protocol) //Must return true if the interface should be parsed
pierreprovent 0:77ca32e8e04e 152 {
pierreprovent 0:77ca32e8e04e 153 if ((mouse_intf == -1) &&
pierreprovent 0:77ca32e8e04e 154 (intf_class == HID_CLASS) &&
pierreprovent 0:77ca32e8e04e 155 (intf_subclass == 0x01) &&
pierreprovent 0:77ca32e8e04e 156 (intf_protocol == 0x02)) {
pierreprovent 0:77ca32e8e04e 157 mouse_intf = intf_nb;
pierreprovent 0:77ca32e8e04e 158 return true;
pierreprovent 0:77ca32e8e04e 159 }
pierreprovent 0:77ca32e8e04e 160 return false;
pierreprovent 0:77ca32e8e04e 161 }
pierreprovent 0:77ca32e8e04e 162
pierreprovent 0:77ca32e8e04e 163 /*virtual*/ bool USBHostMouse::useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir) //Must return true if the endpoint will be used
pierreprovent 0:77ca32e8e04e 164 {
pierreprovent 0:77ca32e8e04e 165 if (intf_nb == mouse_intf) {
pierreprovent 0:77ca32e8e04e 166 if (type == INTERRUPT_ENDPOINT && dir == IN) {
pierreprovent 0:77ca32e8e04e 167 mouse_device_found = true;
pierreprovent 0:77ca32e8e04e 168 return true;
pierreprovent 0:77ca32e8e04e 169 }
pierreprovent 0:77ca32e8e04e 170 }
pierreprovent 0:77ca32e8e04e 171 return false;
pierreprovent 0:77ca32e8e04e 172 }
pierreprovent 0:77ca32e8e04e 173
pierreprovent 0:77ca32e8e04e 174 #endif