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USBDFU/USBDFU.cpp
- Committer:
- devanlai
- Date:
- 2016-11-25
- Revision:
- 69:8d72761d52fd
- Parent:
- 67:39396cc073f2
File content as of revision 69:8d72761d52fd:
/* Copyright (c) 2010-2011 mbed.org, MIT License * * Permission is hereby granted, free of charge, to any person obtaining a copy of this software * and associated documentation files (the "Software"), to deal in the Software without * restriction, including without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all copies or * substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ #include "stdint.h" #include "USBHAL.h" #include "USBDFU.h" #include "DFU.h" USBDFU::USBDFU(uint16_t vendor_id, uint16_t product_id, uint16_t product_release, bool connect) : USBDevice(vendor_id, product_id, product_release), detach(no_op) { if (connect) { USBDevice::connect(); } } void USBDFU::attach(Callback<void()> func) { if (func) { 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 USBDFU::USBCallback_request() { bool success = false; CONTROL_TRANSFER * transfer = getTransferPtr(); // Process class-specific requests if (transfer->setup.bmRequestType.Type == CLASS_TYPE) { switch (transfer->setup.bRequest) { case DFU_DETACH: detach.call(); success = true; default: break; } } return success; } #define DEFAULT_CONFIGURATION (1) // Called in ISR context // Set configuration. Return false if the // configuration is not supported bool USBDFU::USBCallback_setConfiguration(uint8_t configuration) { if (configuration != DEFAULT_CONFIGURATION) { return false; } return true; } uint8_t * USBDFU::stringIinterfaceDesc() { static uint8_t stringIinterfaceDescriptor[] = { 0x08, //bLength STRING_DESCRIPTOR, //bDescriptorType 0x03 'D',0,'F',0,'U',0, //bString iInterface - DFU }; return stringIinterfaceDescriptor; } uint8_t * USBDFU::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 DEFAULT_CONFIGURATION (1) #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 * USBDFU::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 0x00, // 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; }