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Diff: USBDFU/USBDFU.cpp
- Revision:
- 66:390c4a31db54
- Child:
- 67:39396cc073f2
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/USBDFU/USBDFU.cpp Mon Aug 29 00:47:17 2016 +0000 @@ -0,0 +1,148 @@ +/* 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" + + +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 != 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 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; +}