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Diff: USBDFU/WebUSBDFU.cpp
- Revision:
- 67:39396cc073f2
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- 68:c190028858f9
- Child:
- 69:8d72761d52fd
diff -r 390c4a31db54 -r 39396cc073f2 USBDFU/WebUSBDFU.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/USBDFU/WebUSBDFU.cpp Sun Sep 04 03:13:09 2016 +0000 @@ -0,0 +1,203 @@ +/* +* Copyright 2016 Devan Lai +* +* Licensed under the Apache License, Version 2.0 (the "License"); +* you may not use this file except in compliance with the License. +* You may obtain a copy of the License at +* +* http://www.apache.org/licenses/LICENSE-2.0 +* +* Unless required by applicable law or agreed to in writing, software +* distributed under the License is distributed on an "AS IS" BASIS, +* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +* See the License for the specific language governing permissions and +* limitations under the License. +*/ + +#include "stdint.h" + +#include "USBHAL.h" +#include "WebUSBDFU.h" +#include "WebUSB.h" +#include "DFU.h" + +#include "USBDescriptor.h" + +#define DEFAULT_CONFIGURATION (1) +#define DFU_INTERFACE_NUMBER (0) + +WebUSBDFU::WebUSBDFU(uint16_t vendor_id, uint16_t product_id, uint16_t product_release, bool connect) + : WebUSBDevice(vendor_id, product_id, product_release), + detach(no_op) +{ + if (connect) { + WebUSBDevice::connect(); + } +} + +void WebUSBDFU::attach(Callback<void()> func) { + if (func != NULL) { + detach.attach(func); + } else { + detach.attach(no_op); + } +} + +// +// Route callbacks from lower layers to class(es) +// + + +// Called in ISR context +// Called by USBDevice on Endpoint0 request +// This is used to handle extensions to standard requests +// and class specific requests +// Return true if class handles this request +bool WebUSBDFU::USBCallback_request() { + bool success = false; + CONTROL_TRANSFER * transfer = getTransferPtr(); + + // Process DFU class-specific requests + if (transfer->setup.bmRequestType.Type == CLASS_TYPE) + { + switch (transfer->setup.bRequest) + { + case DFU_DETACH: + detach.call(); + success = true; + default: + break; + } + } + + // Process WebUSB vendor requests + if (!success) + { + success = WebUSBDevice::USBCallback_request(); + } + + return success; +} + +// Called in ISR context +// Set configuration. Return false if the +// configuration is not supported +bool WebUSBDFU::USBCallback_setConfiguration(uint8_t configuration) { + if (configuration != DEFAULT_CONFIGURATION) { + return false; + } + + return true; +} + + +uint8_t * WebUSBDFU::stringIinterfaceDesc() { + static uint8_t stringIinterfaceDescriptor[] = { + 0x08, //bLength + STRING_DESCRIPTOR, //bDescriptorType 0x03 + 'D',0,'F',0,'U',0, //bString iInterface - DFU + }; + return stringIinterfaceDescriptor; +} + +uint8_t * WebUSBDFU::stringIproductDesc() { + static uint8_t stringIproductDescriptor[] = { + 0x16, //bLength + STRING_DESCRIPTOR, //bDescriptorType 0x03 + 'D',0,'F',0,'U',0,' ',0,'D',0,'E',0,'V',0,'I',0,'C',0,'E',0 //bString iProduct - DFU device + }; + return stringIproductDescriptor; +} + +#define DFU_DESCRIPTOR_LENGTH (9) +#define TOTAL_DESCRIPTOR_LENGTH ((1 * CONFIGURATION_DESCRIPTOR_LENGTH) \ + + (1 * INTERFACE_DESCRIPTOR_LENGTH) \ + + (1 * DFU_DESCRIPTOR_LENGTH)) + +#define DETACH_TIMEOUT 255 +#define DFU_TRANSFER_SIZE 1024 + +uint8_t * WebUSBDFU::configurationDesc() { + static uint8_t configurationDescriptor[] = { + CONFIGURATION_DESCRIPTOR_LENGTH,// bLength + CONFIGURATION_DESCRIPTOR, // bDescriptorType + LSB(TOTAL_DESCRIPTOR_LENGTH), // wTotalLength (LSB) + MSB(TOTAL_DESCRIPTOR_LENGTH), // wTotalLength (MSB) + 0x01, // bNumInterfaces + DEFAULT_CONFIGURATION, // bConfigurationValue + STRING_OFFSET_ICONFIGURATION, // iConfiguration + C_RESERVED | C_SELF_POWERED, // bmAttributes + C_POWER(0), // bMaxPower + + INTERFACE_DESCRIPTOR_LENGTH, // bLength + INTERFACE_DESCRIPTOR, // bDescriptorType + DFU_INTERFACE_NUMBER, // bInterfaceNumber + 0x00, // bAlternateSetting + 0x00, // bNumEndpoints + DFU_CLASS_APP_SPECIFIC, // bInterfaceClass + DFU_SUBCLASS_DFU, // bInterfaceSubClass + DFU_PROTO_RUNTIME, // bInterfaceProtocol + STRING_OFFSET_IINTERFACE, // iInterface + + DFU_DESCRIPTOR_LENGTH, // bLength + DFU_DESCRIPTOR, // bDescriptorType + (DFU_ATTR_WILL_DETACH // bmAttributes + |DFU_ATTR_CAN_DOWNLOAD), + LSB(DETACH_TIMEOUT), // wDetachTimeOut (LSB) + MSB(DETACH_TIMEOUT), // wDetachTimeOut (MSB) + LSB(DFU_TRANSFER_SIZE), // wTransferSize (LSB) + MSB(DFU_TRANSFER_SIZE), // wTransferSize (MSB) + LSB(DFU_VERSION_1_00), // bcdDFUVersion (LSB) + MSB(DFU_VERSION_1_00), // bcdDFUVersion (MSB) + }; + return configurationDescriptor; +} + +#define NUM_ORIGINS 1 +#define TOTAL_ORIGINS_LENGTH (WEBUSB_DESCRIPTOR_SET_LENGTH + \ + WEBUSB_CONFIGURATION_SUBSET_LENGTH + \ + WEBUSB_FUNCTION_SUBSET_LENGTH + \ + NUM_ORIGINS) + +uint8_t * WebUSBDFU::allowedOriginsDesc() { + static uint8_t allowedOriginsDescriptor[] = { + WEBUSB_DESCRIPTOR_SET_LENGTH, /* bLength */ + WEBUSB_DESCRIPTOR_SET_HEADER, /* bDescriptorType */ + LSB(TOTAL_ORIGINS_LENGTH), /* wTotalLength (LSB) */ + MSB(TOTAL_ORIGINS_LENGTH), /* wTotalLength (MSB) */ + 0x01, /* bNumConfigurations */ + + WEBUSB_CONFIGURATION_SUBSET_LENGTH, /* bLength */ + WEBUSB_CONFIGURATION_SUBSET_HEADER, /* bDescriptorType */ + DEFAULT_CONFIGURATION, /* bConfigurationValue */ + 0x01, /* bNumFunctions */ + + (WEBUSB_FUNCTION_SUBSET_LENGTH+NUM_ORIGINS),/* bLength */ + WEBUSB_FUNCTION_SUBSET_HEADER, /* bDescriptorType */ + DFU_INTERFACE_NUMBER, /* bFirstInterfaceNumber */ + URL_OFFSET_ALLOWED_ORIGIN, /* iOrigin[] */ + }; + + return allowedOriginsDescriptor; +} + +uint8_t * WebUSBDFU::urlIallowedOrigin() { + static uint8_t urlIallowedOriginDescriptor[] = { + 0x16, /* bLength */ + WEBUSB_URL, /* bDescriptorType */ + WEBUSB_URL_SCHEME_HTTPS,/* bScheme */ + 'd','e','v','a','n','l','a','i','.','g','i','t','h','u','b','.','i','o','/',/* URL - devanlai.github.io */ + }; + return urlIallowedOriginDescriptor; +} + +uint8_t * WebUSBDFU::urlIlandingPage() { + static uint8_t urlIlandingPageDescriptor[] = { + 0x26, /* bLength */ + WEBUSB_URL, /* bDescriptorType */ + WEBUSB_URL_SCHEME_HTTPS,/* bScheme */ + 'd','e','v','a','n','l','a','i','.','g','i','t','h','u','b','.','i','o','/',/* URL - devanlai.github.io/webdfu/dfu-util/ */ + 'w','e','b','d','f','u','/','d','f','u','-','u','t','i','l','/' + }; + return urlIlandingPageDescriptor; +} \ No newline at end of file