Lars Knudsen / USBDevice_WebUSB

This fork re-enables FRDM boards and adds WebUSB CDC functionality

Fork of USBDevice_STM32F103 by Devan Lai

WebUSBDevice/WebUSBDevice.cpp@67:39396cc073f2, 2016-09-04 (annotated)

Committer:
devanlai
Date:
Sun Sep 04 03:13:09 2016 +0000
Revision:
67:39396cc073f2
Child:
72:1d8a6665d607
Add WebUSBDevice and WebUSBDFU classes

Who changed what in which revision?

UserRevisionLine numberNew contents of line
devanlai 67:39396cc073f2 1 /*
devanlai 67:39396cc073f2 2 * Copyright 2016 Devan Lai
devanlai 67:39396cc073f2 3 *
devanlai 67:39396cc073f2 4 * Licensed under the Apache License, Version 2.0 (the "License");
devanlai 67:39396cc073f2 5 * you may not use this file except in compliance with the License.
devanlai 67:39396cc073f2 6 * You may obtain a copy of the License at
devanlai 67:39396cc073f2 7 *
devanlai 67:39396cc073f2 8 * http://www.apache.org/licenses/LICENSE-2.0
devanlai 67:39396cc073f2 9 *
devanlai 67:39396cc073f2 10 * Unless required by applicable law or agreed to in writing, software
devanlai 67:39396cc073f2 11 * distributed under the License is distributed on an "AS IS" BASIS,
devanlai 67:39396cc073f2 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
devanlai 67:39396cc073f2 13 * See the License for the specific language governing permissions and
devanlai 67:39396cc073f2 14 * limitations under the License.
devanlai 67:39396cc073f2 15 */
devanlai 67:39396cc073f2 16
devanlai 67:39396cc073f2 17 #include "stdint.h"
devanlai 67:39396cc073f2 18
devanlai 67:39396cc073f2 19 #include "USBEndpoints.h"
devanlai 67:39396cc073f2 20 #include "USBDevice.h"
devanlai 67:39396cc073f2 21 #include "USBDescriptor.h"
devanlai 67:39396cc073f2 22 #include "WebUSB.h"
devanlai 67:39396cc073f2 23 #include "WebUSBDevice.h"
devanlai 67:39396cc073f2 24
devanlai 67:39396cc073f2 25 WebUSBDevice::WebUSBDevice(uint16_t vendor_id, uint16_t product_id, uint16_t product_release)
devanlai 67:39396cc073f2 26 : USBDevice(vendor_id, product_id, product_release)
devanlai 67:39396cc073f2 27 {
devanlai 67:39396cc073f2 28
devanlai 67:39396cc073f2 29 };
devanlai 67:39396cc073f2 30
devanlai 67:39396cc073f2 31 bool WebUSBDevice::requestGetDescriptor(void)
devanlai 67:39396cc073f2 32 {
devanlai 67:39396cc073f2 33 bool success = false;
devanlai 67:39396cc073f2 34 CONTROL_TRANSFER * transfer = getTransferPtr();
devanlai 67:39396cc073f2 35 switch (DESCRIPTOR_TYPE(transfer->setup.wValue))
devanlai 67:39396cc073f2 36 {
devanlai 67:39396cc073f2 37 case BINARY_OBJECT_STORE_DESCRIPTOR:
devanlai 67:39396cc073f2 38 if (binaryObjectStoreDesc() != NULL)
devanlai 67:39396cc073f2 39 {
devanlai 67:39396cc073f2 40 transfer->remaining = (binaryObjectStoreDesc()[2]
devanlai 67:39396cc073f2 41 | (binaryObjectStoreDesc()[3] << 8));
devanlai 67:39396cc073f2 42 transfer->ptr = binaryObjectStoreDesc();
devanlai 67:39396cc073f2 43 transfer->direction = DEVICE_TO_HOST;
devanlai 67:39396cc073f2 44 success = true;
devanlai 67:39396cc073f2 45 }
devanlai 67:39396cc073f2 46 break;
devanlai 67:39396cc073f2 47 default:
devanlai 67:39396cc073f2 48 success = USBDevice::requestGetDescriptor();
devanlai 67:39396cc073f2 49 break;
devanlai 67:39396cc073f2 50 }
devanlai 67:39396cc073f2 51
devanlai 67:39396cc073f2 52 return success;
devanlai 67:39396cc073f2 53 }
devanlai 67:39396cc073f2 54
devanlai 67:39396cc073f2 55 bool WebUSBDevice::requestWebUSB(void)
devanlai 67:39396cc073f2 56 {
devanlai 67:39396cc073f2 57 bool success = false;
devanlai 67:39396cc073f2 58
devanlai 67:39396cc073f2 59 CONTROL_TRANSFER * transfer = getTransferPtr();
devanlai 67:39396cc073f2 60 switch (transfer->setup.wIndex)
devanlai 67:39396cc073f2 61 {
devanlai 67:39396cc073f2 62 case WEBUSB_GET_ALLOWED_ORIGINS:
devanlai 67:39396cc073f2 63 if (allowedOriginsDesc())
devanlai 67:39396cc073f2 64 {
devanlai 67:39396cc073f2 65 transfer->remaining = (allowedOriginsDesc()[2]
devanlai 67:39396cc073f2 66 | (allowedOriginsDesc()[3] << 8));
devanlai 67:39396cc073f2 67 transfer->ptr = allowedOriginsDesc();
devanlai 67:39396cc073f2 68 transfer->direction = DEVICE_TO_HOST;
devanlai 67:39396cc073f2 69 success = true;
devanlai 67:39396cc073f2 70 }
devanlai 67:39396cc073f2 71 break;
devanlai 67:39396cc073f2 72 case WEBUSB_GET_URL:
devanlai 67:39396cc073f2 73 if (transfer->setup.wValue == URL_OFFSET_LANDING_PAGE)
devanlai 67:39396cc073f2 74 {
devanlai 67:39396cc073f2 75 transfer->remaining = urlIlandingPage()[0];
devanlai 67:39396cc073f2 76 transfer->ptr = urlIlandingPage();
devanlai 67:39396cc073f2 77 transfer->direction = DEVICE_TO_HOST;
devanlai 67:39396cc073f2 78 success = true;
devanlai 67:39396cc073f2 79 }
devanlai 67:39396cc073f2 80 else if (transfer->setup.wValue == URL_OFFSET_ALLOWED_ORIGIN)
devanlai 67:39396cc073f2 81 {
devanlai 67:39396cc073f2 82 transfer->remaining = urlIallowedOrigin()[0];
devanlai 67:39396cc073f2 83 transfer->ptr = urlIallowedOrigin();
devanlai 67:39396cc073f2 84 transfer->direction = DEVICE_TO_HOST;
devanlai 67:39396cc073f2 85 success = true;
devanlai 67:39396cc073f2 86 }
devanlai 67:39396cc073f2 87 break;
devanlai 67:39396cc073f2 88 default:
devanlai 67:39396cc073f2 89 break;
devanlai 67:39396cc073f2 90 }
devanlai 67:39396cc073f2 91
devanlai 67:39396cc073f2 92 return success;
devanlai 67:39396cc073f2 93 }
devanlai 67:39396cc073f2 94
devanlai 67:39396cc073f2 95 bool WebUSBDevice::USBCallback_request()
devanlai 67:39396cc073f2 96 {
devanlai 67:39396cc073f2 97 bool success = false;
devanlai 67:39396cc073f2 98 /* Process WebUSB requests */
devanlai 67:39396cc073f2 99 CONTROL_TRANSFER * transfer = getTransferPtr();
devanlai 67:39396cc073f2 100 if ((transfer->setup.bmRequestType.Type == VENDOR_TYPE) &&
devanlai 67:39396cc073f2 101 (transfer->setup.bRequest == WEBUSB_VENDOR_CODE))
devanlai 67:39396cc073f2 102 {
devanlai 67:39396cc073f2 103 success = requestWebUSB();
devanlai 67:39396cc073f2 104 }
devanlai 67:39396cc073f2 105
devanlai 67:39396cc073f2 106 return success;
devanlai 67:39396cc073f2 107 }
devanlai 67:39396cc073f2 108
devanlai 67:39396cc073f2 109 uint8_t * WebUSBDevice::deviceDesc() {
devanlai 67:39396cc073f2 110 static uint8_t deviceDescriptor[] = {
devanlai 67:39396cc073f2 111 DEVICE_DESCRIPTOR_LENGTH, /* bLength */
devanlai 67:39396cc073f2 112 DEVICE_DESCRIPTOR, /* bDescriptorType */
devanlai 67:39396cc073f2 113 LSB(USB_VERSION_2_1), /* bcdUSB (LSB) */
devanlai 67:39396cc073f2 114 MSB(USB_VERSION_2_1), /* bcdUSB (MSB) */
devanlai 67:39396cc073f2 115 0x00, /* bDeviceClass */
devanlai 67:39396cc073f2 116 0x00, /* bDeviceSubClass */
devanlai 67:39396cc073f2 117 0x00, /* bDeviceprotocol */
devanlai 67:39396cc073f2 118 MAX_PACKET_SIZE_EP0, /* bMaxPacketSize0 */
devanlai 67:39396cc073f2 119 (uint8_t)(LSB(VENDOR_ID)), /* idVendor (LSB) */
devanlai 67:39396cc073f2 120 (uint8_t)(MSB(VENDOR_ID)), /* idVendor (MSB) */
devanlai 67:39396cc073f2 121 (uint8_t)(LSB(PRODUCT_ID)), /* idProduct (LSB) */
devanlai 67:39396cc073f2 122 (uint8_t)(MSB(PRODUCT_ID)), /* idProduct (MSB) */
devanlai 67:39396cc073f2 123 (uint8_t)(LSB(PRODUCT_RELEASE)), /* bcdDevice (LSB) */
devanlai 67:39396cc073f2 124 (uint8_t)(MSB(PRODUCT_RELEASE)), /* bcdDevice (MSB) */
devanlai 67:39396cc073f2 125 STRING_OFFSET_IMANUFACTURER, /* iManufacturer */
devanlai 67:39396cc073f2 126 STRING_OFFSET_IPRODUCT, /* iProduct */
devanlai 67:39396cc073f2 127 STRING_OFFSET_ISERIAL, /* iSerialNumber */
devanlai 67:39396cc073f2 128 0x01 /* bNumConfigurations */
devanlai 67:39396cc073f2 129 };
devanlai 67:39396cc073f2 130 return deviceDescriptor;
devanlai 67:39396cc073f2 131 }
devanlai 67:39396cc073f2 132
devanlai 67:39396cc073f2 133 #define WEBUSB_BOS_TOTAL_LENGTH (BINARY_OBJECT_STORE_DESCRIPTOR_LENGTH \
devanlai 67:39396cc073f2 134 + WEBUSB_PLATFORM_DESCRIPTOR_LENGTH)
devanlai 67:39396cc073f2 135
devanlai 67:39396cc073f2 136 uint8_t * WebUSBDevice::binaryObjectStoreDesc() {
devanlai 67:39396cc073f2 137 static uint8_t binaryObjectStoreDescriptor[] = {
devanlai 67:39396cc073f2 138 BINARY_OBJECT_STORE_DESCRIPTOR_LENGTH, /* bLength */
devanlai 67:39396cc073f2 139 BINARY_OBJECT_STORE_DESCRIPTOR, /* bDescriptorType */
devanlai 67:39396cc073f2 140 LSB(WEBUSB_BOS_TOTAL_LENGTH), /* wTotalLength (LSB) */
devanlai 67:39396cc073f2 141 MSB(WEBUSB_BOS_TOTAL_LENGTH), /* wTotalLength (MSB) */
devanlai 67:39396cc073f2 142 0x01, /* bNumDeviceCaps */
devanlai 67:39396cc073f2 143 WEBUSB_PLATFORM_DESCRIPTOR_LENGTH, /* bLength */
devanlai 67:39396cc073f2 144 DEVICE_CAPABILITY_DESCRIPTOR, /* bDescriptorType */
devanlai 67:39396cc073f2 145 USB_DC_PLATFORM, /* bDevCapabilityType */
devanlai 67:39396cc073f2 146 0x00, /* bReserved */
devanlai 67:39396cc073f2 147 0x38, 0xB6, 0x08, 0x34, /* PlatformCapabilityUUID */
devanlai 67:39396cc073f2 148 0xA9, 0x09, 0xA0, 0x47,
devanlai 67:39396cc073f2 149 0x8B, 0xFD, 0xA0, 0x76,
devanlai 67:39396cc073f2 150 0x88, 0x15, 0xB6, 0x65,
devanlai 67:39396cc073f2 151 LSB(WEBUSB_VERSION_1_0), /* bcdVersion (LSB) */
devanlai 67:39396cc073f2 152 MSB(WEBUSB_VERSION_1_0), /* bcdVersion (MSB) */
devanlai 67:39396cc073f2 153 WEBUSB_VENDOR_CODE, /* bVendorCode */
devanlai 67:39396cc073f2 154 URL_OFFSET_LANDING_PAGE, /* iLandingPage */
devanlai 67:39396cc073f2 155 };
devanlai 67:39396cc073f2 156 return binaryObjectStoreDescriptor;
devanlai 67:39396cc073f2 157 }