USB Composite support
Dependents: mbed_cdc_hid_composite
Fork of USBDevice by
USBDevice/USBComposite.cpp
- Committer:
- steeven
- Date:
- 2015-05-31
- Revision:
- 55:7c559fcb1d17
File content as of revision 55:7c559fcb1d17:
/* 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 "USBComposite.h" #define DEFAULT_CONFIGURATION (1) USBComposite::USBComposite(bool connect_blocking, uint16_t vendor_id, uint16_t product_id , uint16_t product_release): USBDevice(vendor_id, product_id, product_release) { // USBDevice::connect(connect_blocking); } bool USBComposite::USBCallback_request(void) { /* Called in ISR context */ uint8_t i; for (i = 0; i < sizeof(_intfs)/sizeof(_intfs[0]); ++i) { if (_intfs[i] != NULL && _intfs[i]->USBCallback_request() == true) { return true; } } return false; } void USBComposite::USBCallback_requestCompleted(uint8_t *buf, uint32_t length) { /* Called in ISR context */ uint8_t i; for (i = 0; i < sizeof(_intfs)/sizeof(_intfs[0]); ++i) { if (_intfs[i] != NULL) { _intfs[i]->USBCallback_requestCompleted(buf, length); } } } // Called in ISR context // Set configuration. Return false if the // configuration is not supported. bool USBComposite::USBCallback_setConfiguration(uint8_t configuration) { if (configuration != DEFAULT_CONFIGURATION) { return false; } // // Configure endpoints > 0 // _usb->addEndpoint(_ep_int_in, MAX_PACKET_SIZE_EPINT); // _usb->addEndpoint(_ep_bulk_in, MAX_PACKET_SIZE_EPBULK); // _usb->addEndpoint(_ep_bulk_out, MAX_PACKET_SIZE_EPBULK); // // // We activate the endpoint to be able to recceive data // _usb->readStart(_ep_bulk_out, MAX_PACKET_SIZE_EPBULK); return true; } uint8_t * USBComposite::deviceDesc() { static uint8_t deviceDescriptor[] = { 18, // bLength 1, // bDescriptorType 0x10, 0x01, // bcdUSB 2, // bDeviceClass 0, // bDeviceSubClass 0, // bDeviceProtocol MAX_PACKET_SIZE_EP0, // bMaxPacketSize0 (uint8_t)(LSB(VENDOR_ID)), (uint8_t)(MSB(VENDOR_ID)), // idVendor (uint8_t)(LSB(PRODUCT_ID)), (uint8_t)(MSB(PRODUCT_ID)),// idProduct 0x00, 0x01, // bcdDevice 1, // iManufacturer 2, // iProduct 3, // iSerialNumber 1 // bNumConfigurations }; return deviceDescriptor; } uint8_t * USBComposite::stringIinterfaceDesc() { static uint8_t stringIinterfaceDescriptor[] = { 0x08, STRING_DESCRIPTOR, 'C',0,'D',0,'C',0, }; return stringIinterfaceDescriptor; } uint8_t * USBComposite::stringIproductDesc() { static uint8_t stringIproductDescriptor[] = { 0x16, STRING_DESCRIPTOR, 'C',0,'D',0,'C',0,' ',0,'D',0,'E',0,'V',0,'I',0,'C',0,'E',0 }; return stringIproductDescriptor; } #define CONFIG1_DESC_SIZE (9+8+9+5+5+4+5+7+9+7+7) uint8_t * USBComposite::configurationDesc() { static uint8_t configDescriptor[] = { // configuration descriptor 9, // bLength 2, // bDescriptorType LSB(CONFIG1_DESC_SIZE), // wTotalLength MSB(CONFIG1_DESC_SIZE), 2, // bNumInterfaces 1, // bConfigurationValue 0, // iConfiguration 0x80, // bmAttributes 50, // bMaxPower // IAD to associate the two CDC interfaces 0x08, // bLength 0x0b, // bDescriptorType 0x00, // bFirstInterface 0x02, // bInterfaceCount 0x02, // bFunctionClass 0x02, // bFunctionSubClass 0, // bFunctionProtocol 0, // iFunction // interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12 9, // bLength 4, // bDescriptorType 0, // bInterfaceNumber 0, // bAlternateSetting 1, // bNumEndpoints 0x02, // bInterfaceClass 0x02, // bInterfaceSubClass 0x01, // bInterfaceProtocol 0, // iInterface // CDC Header Functional Descriptor, CDC Spec 5.2.3.1, Table 26 5, // bFunctionLength 0x24, // bDescriptorType 0x00, // bDescriptorSubtype 0x10, 0x01, // bcdCDC // Call Management Functional Descriptor, CDC Spec 5.2.3.2, Table 27 5, // bFunctionLength 0x24, // bDescriptorType 0x01, // bDescriptorSubtype 0x03, // bmCapabilities 1, // bDataInterface // Abstract Control Management Functional Descriptor, CDC Spec 5.2.3.3, Table 28 4, // bFunctionLength 0x24, // bDescriptorType 0x02, // bDescriptorSubtype 0x06, // bmCapabilities // Union Functional Descriptor, CDC Spec 5.2.3.8, Table 33 5, // bFunctionLength 0x24, // bDescriptorType 0x06, // bDescriptorSubtype 0, // bMasterInterface 1, // bSlaveInterface0 // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13 ENDPOINT_DESCRIPTOR_LENGTH, // bLength ENDPOINT_DESCRIPTOR, // bDescriptorType // PHY_TO_DESC(_ep_int_in), // bEndpointAddress E_INTERRUPT, // bmAttributes (0x03=intr) LSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (LSB) MSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (MSB) 16, // bInterval // interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12 9, // bLength 4, // bDescriptorType 1, // bInterfaceNumber 0, // bAlternateSetting 2, // bNumEndpoints 0x0A, // bInterfaceClass 0x00, // bInterfaceSubClass 0x00, // bInterfaceProtocol 0, // iInterface // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13 ENDPOINT_DESCRIPTOR_LENGTH, // bLength ENDPOINT_DESCRIPTOR, // bDescriptorType // PHY_TO_DESC(_ep_bulk_in), // bEndpointAddress E_BULK, // bmAttributes (0x02=bulk) LSB(MAX_PACKET_SIZE_EPBULK),// wMaxPacketSize (LSB) MSB(MAX_PACKET_SIZE_EPBULK),// wMaxPacketSize (MSB) 0, // bInterval // endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13 ENDPOINT_DESCRIPTOR_LENGTH, // bLength ENDPOINT_DESCRIPTOR, // bDescriptorType // PHY_TO_DESC(_ep_bulk_out), // bEndpointAddress E_BULK, // bmAttributes (0x02=bulk) LSB(MAX_PACKET_SIZE_EPBULK),// wMaxPacketSize (LSB) MSB(MAX_PACKET_SIZE_EPBULK),// wMaxPacketSize (MSB) 0 // bInterval }; return configDescriptor; }