steve
Dependents: USBMouseKeyboard USBMouseKeyboardlib
Diff: USBSerial/USBCDC.cpp
- Revision:
- 72:d2619b040139
- Parent:
- 8:335f2506f422
--- a/USBSerial/USBCDC.cpp Fri Mar 01 13:10:29 2013 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,253 +0,0 @@ -/* 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 "USBCDC.h" - -static uint8_t cdc_line_coding[7]= {0x80, 0x25, 0x00, 0x00, 0x00, 0x00, 0x08}; - -#define DEFAULT_CONFIGURATION (1) - -#define CDC_SET_LINE_CODING 0x20 -#define CDC_GET_LINE_CODING 0x21 -#define CDC_SET_CONTROL_LINE_STATE 0x22 - -#define MAX_CDC_REPORT_SIZE MAX_PACKET_SIZE_EPBULK - -USBCDC::USBCDC(uint16_t vendor_id, uint16_t product_id, uint16_t product_release): USBDevice(vendor_id, product_id, product_release) { - terminal_connected = false; - USBDevice::connect(); -} - -bool USBCDC::USBCallback_request(void) { - /* Called in ISR context */ - - bool success = false; - CONTROL_TRANSFER * transfer = getTransferPtr(); - - /* Process class-specific requests */ - - if (transfer->setup.bmRequestType.Type == CLASS_TYPE) { - switch (transfer->setup.bRequest) { - case CDC_GET_LINE_CODING: - transfer->remaining = 7; - transfer->ptr = cdc_line_coding; - transfer->direction = DEVICE_TO_HOST; - success = true; - break; - case CDC_SET_LINE_CODING: - transfer->remaining = 7; - success = true; - terminal_connected = true; - break; - case CDC_SET_CONTROL_LINE_STATE: - terminal_connected = false; - success = true; - break; - default: - break; - } - } - - return success; -} - - -// Called in ISR context -// Set configuration. Return false if the -// configuration is not supported. -bool USBCDC::USBCallback_setConfiguration(uint8_t configuration) { - if (configuration != DEFAULT_CONFIGURATION) { - return false; - } - - // Configure endpoints > 0 - addEndpoint(EPINT_IN, MAX_PACKET_SIZE_EPINT); - addEndpoint(EPBULK_IN, MAX_PACKET_SIZE_EPBULK); - addEndpoint(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK); - - // We activate the endpoint to be able to recceive data - readStart(EPBULK_OUT, MAX_PACKET_SIZE_EPBULK); - return true; -} - -bool USBCDC::send(uint8_t * buffer, uint32_t size) { - return USBDevice::write(EPBULK_IN, buffer, size, MAX_CDC_REPORT_SIZE); -} - -bool USBCDC::readEP(uint8_t * buffer, uint32_t * size) { - if (!USBDevice::readEP(EPBULK_OUT, buffer, size, MAX_CDC_REPORT_SIZE)) - return false; - if (!readStart(EPBULK_OUT, MAX_CDC_REPORT_SIZE)) - return false; - return true; -} - -bool USBCDC::readEP_NB(uint8_t * buffer, uint32_t * size) { - if (!USBDevice::readEP_NB(EPBULK_OUT, buffer, size, MAX_CDC_REPORT_SIZE)) - return false; - if (!readStart(EPBULK_OUT, MAX_CDC_REPORT_SIZE)) - return false; - return true; -} - - -uint8_t * USBCDC::deviceDesc() { - static uint8_t deviceDescriptor[] = { - 18, // bLength - 1, // bDescriptorType - 0x10, 0x01, // bcdUSB - 2, // bDeviceClass - 0, // bDeviceSubClass - 0, // bDeviceProtocol - MAX_PACKET_SIZE_EP0, // bMaxPacketSize0 - LSB(VENDOR_ID), MSB(VENDOR_ID), // idVendor - LSB(PRODUCT_ID), MSB(PRODUCT_ID),// idProduct - 0x00, 0x01, // bcdDevice - 1, // iManufacturer - 2, // iProduct - 3, // iSerialNumber - 1 // bNumConfigurations - }; - return deviceDescriptor; -} - -uint8_t * USBCDC::stringIinterfaceDesc() { - static uint8_t stringIinterfaceDescriptor[] = { - 0x08, - STRING_DESCRIPTOR, - 'C',0,'D',0,'C',0, - }; - return stringIinterfaceDescriptor; -} - -uint8_t * USBCDC::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 * USBCDC::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(EPINT_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(EPBULK_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(EPBULK_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; -}