mirror of https://gerrit.osmocom.org/simtrace2
USB driver send standard configuration
One configuration, one Interface, two endpoints (bulk in and out)
We don't need to configure Endpoint 0 which is always the control
endpoint and configured before any descriptor requests take place.
% python usb_enum.py
Found device
CONFIGURATION 2: 100 mA ==================================
bLength : 0x9 (9 bytes)
bDescriptorType : 0x2 Configuration
wTotalLength : 0x20 (32 bytes)
bNumInterfaces : 0x1
bConfigurationValue : 0x2
iConfiguration : 0x2 SOME
bmAttributes : 0x80 Bus Powered
bMaxPower : 0x32 (100 mA)
INTERFACE 0: Vendor Specific ===========================
bLength : 0x9 (9 bytes)
bDescriptorType : 0x4 Interface
bInterfaceNumber : 0x0
bAlternateSetting : 0x0
bNumEndpoints : 0x2
bInterfaceClass : 0xff Vendor Specific
bInterfaceSubClass : 0x0
bInterfaceProtocol : 0x0
iInterface : 0x1 SIMTRACE~~~~~
ENDPOINT 0x1: Bulk OUT ===============================
bLength : 0x7 (7 bytes)
bDescriptorType : 0x5 Endpoint
bEndpointAddress : 0x1 OUT
bmAttributes : 0x2 Bulk
wMaxPacketSize : 0x40 (64 bytes)
bInterval : 0x0
ENDPOINT 0x82: Bulk IN ===============================
bLength : 0x7 (7 bytes)
bDescriptorType : 0x5 Endpoint
bEndpointAddress : 0x82 IN
bmAttributes : 0x2 Bulk
wMaxPacketSize : 0x40 (64 bytes)
bInterval : 0x0
This commit is contained in:
Christina Quast
parent
7188a126d5
commit
6255ccca84
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@ -0,0 +1,283 @@
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/* ----------------------------------------------------------------------------
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* ATMEL Microcontroller Software Support
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* ----------------------------------------------------------------------------
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* Copyright (c) 2009, Atmel Corporation
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the disclaimer below.
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*
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* Atmel's name may not be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
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* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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* ----------------------------------------------------------------------------
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*/
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/*----------------------------------------------------------------------------
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* Headers
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*----------------------------------------------------------------------------*/
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#include "board.h"
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#include "CDCDSerialDriver.h"
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/*----------------------------------------------------------------------------
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* Internal variables
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*----------------------------------------------------------------------------*/
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/** Standard USB device descriptor for the CDC serial driver */
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const USBDeviceDescriptor deviceDescriptor = {
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sizeof(USBDeviceDescriptor),
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USBGenericDescriptor_DEVICE,
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USBDeviceDescriptor_USB2_00,
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0xff,
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// CDCDeviceDescriptor_CLASS,
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0xff,
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// CDCDeviceDescriptor_SUBCLASS,
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0xff,
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// CDCDeviceDescriptor_PROTOCOL,
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BOARD_USB_ENDPOINTS_MAXPACKETSIZE(0),
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ATMEL_VENDOR_ID,
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SIMTRACE_PRODUCT_ID,
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1, /* Release number */
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0, /* No string descriptor for manufacturer */
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1, /* Index of product string descriptor is #1 */
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0, /* No string descriptor for serial number */
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1 /* Device has 1 possible configuration */
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};
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typedef struct _SIMTraceDriverConfigurationDescriptors {
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/** Standard configuration descriptor. */
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USBConfigurationDescriptor configuration;
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/** Data interface descriptor. */
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USBInterfaceDescriptor data;
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/** Data OUT endpoint descriptor. */
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USBEndpointDescriptor dataOut;
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/** Data IN endpoint descriptor. */
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USBEndpointDescriptor dataIn;
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} __attribute__ ((packed)) SIMTraceDriverConfigurationDescriptor;
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/** Standard USB configuration descriptor for the CDC serial driver */
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const SIMTraceDriverConfigurationDescriptor configurationDescriptorsFS = {
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/* Standard configuration descriptor */
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{
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sizeof(USBConfigurationDescriptor),
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USBGenericDescriptor_CONFIGURATION,
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sizeof(SIMTraceDriverConfigurationDescriptor),
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2, /* There are two interfaces in this configuration */
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2, /* This is configuration #1 */
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2, /* Second string descriptor for this configuration */
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USBD_BMATTRIBUTES,
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USBConfigurationDescriptor_POWER(100)
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},
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/* Communication class interface standard descriptor */
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{
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sizeof(USBInterfaceDescriptor),
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USBGenericDescriptor_INTERFACE,
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0, /* This is interface #0 */
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0, /* This is alternate setting #0 for this interface */
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2, /* This interface uses 1 endpoint */
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//CDCCommunicationInterfaceDescriptor_CLASS,
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0xff,
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// CDCCommunicationInterfaceDescriptor_ABSTRACTCONTROLMODEL,
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0,
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// CDCCommunicationInterfaceDescriptor_NOPROTOCOL,
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0,
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1 /* Second in string descriptor for this interface */
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},
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/* Bulk-OUT endpoint standard descriptor */
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#define DATAOUT 1
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{
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sizeof(USBEndpointDescriptor),
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USBGenericDescriptor_ENDPOINT,
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USBEndpointDescriptor_ADDRESS(USBEndpointDescriptor_OUT,
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DATAOUT),
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USBEndpointDescriptor_BULK,
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MIN(BOARD_USB_ENDPOINTS_MAXPACKETSIZE(DATAOUT),
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USBEndpointDescriptor_MAXBULKSIZE_FS),
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0 /* Must be 0 for full-speed bulk endpoints */
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},
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/* Bulk-IN endpoint descriptor */
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#define DATAIN 2
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{
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sizeof(USBEndpointDescriptor),
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USBGenericDescriptor_ENDPOINT,
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USBEndpointDescriptor_ADDRESS(USBEndpointDescriptor_IN,
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DATAIN),
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USBEndpointDescriptor_BULK,
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MIN(BOARD_USB_ENDPOINTS_MAXPACKETSIZE(DATAIN),
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USBEndpointDescriptor_MAXBULKSIZE_FS),
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0 /* Must be 0 for full-speed bulk endpoints */
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}
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};
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const unsigned char someString[] = {
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USBStringDescriptor_LENGTH(4),
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USBGenericDescriptor_STRING,
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USBStringDescriptor_UNICODE('S'),
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USBStringDescriptor_UNICODE('O'),
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USBStringDescriptor_UNICODE('M'),
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USBStringDescriptor_UNICODE('E'),
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};
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const unsigned char productStringDescriptor[] = {
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USBStringDescriptor_LENGTH(13),
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USBGenericDescriptor_STRING,
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USBStringDescriptor_UNICODE('S'),
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USBStringDescriptor_UNICODE('I'),
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USBStringDescriptor_UNICODE('M'),
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USBStringDescriptor_UNICODE('T'),
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USBStringDescriptor_UNICODE('R'),
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USBStringDescriptor_UNICODE('A'),
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USBStringDescriptor_UNICODE('C'),
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USBStringDescriptor_UNICODE('E'),
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USBStringDescriptor_UNICODE('~'),
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USBStringDescriptor_UNICODE('~'),
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USBStringDescriptor_UNICODE('~'),
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USBStringDescriptor_UNICODE('~'),
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USBStringDescriptor_UNICODE('~')
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};
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/** List of string descriptors used by the device */
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const unsigned char *stringDescriptors[] = {
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/* FIXME: Is it true that I can't use the string desc #0,
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* because 0 also stands for "no string desc"? */
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0,
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productStringDescriptor,
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someString,
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};
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const USBDDriverDescriptors driverDescriptors = {
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&deviceDescriptor,
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(USBConfigurationDescriptor *) &(configurationDescriptorsFS), /* full-speed configuration descriptor */
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0, /* No full-speed device qualifier descriptor */
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0, /* No full-speed other speed configuration */
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0, /* No high-speed device descriptor */
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0, /* No high-speed configuration descriptor */
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0, /* No high-speed device qualifier descriptor */
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0, /* No high-speed other speed configuration descriptor */
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stringDescriptors,
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3 /* 3 string descriptors in list */
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};
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/**
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* \brief Configure 48MHz Clock for USB
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*/
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static void _ConfigureUsbClock(void)
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{
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/* Enable PLLB for USB */
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// FIXME: are these the dividers I actually need?
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// FIXME: I could just use PLLA, since it has a frequ of 48Mhz anyways?
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PMC->CKGR_PLLBR = CKGR_PLLBR_DIVB(5)
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| CKGR_PLLBR_MULB(0xc) /* MULT+1=0xd*/
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| CKGR_PLLBR_PLLBCOUNT_Msk;
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while((PMC->PMC_SR & PMC_SR_LOCKB) == 0);
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/* USB Clock uses PLLB */
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PMC->PMC_USB = PMC_USB_USBDIV(0) /* /1 (no divider) */
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| PMC_USB_USBS; /* PLLB */
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}
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void SIMtraceDriver_Initialize( void )
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{
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// Get std USB driver
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USBDDriver *pUsbd = USBD_GetDriver();
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TRACE_DEBUG(".");
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// Initialize standard USB driver
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USBDDriver_Initialize(pUsbd,
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&driverDescriptors,
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// FIXME: 2 interface settings supported in MITM mode
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0); // Multiple interface settings not supported
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USBD_Init();
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TRACE_DEBUG("%s", "leaving");
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}
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/*
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void USBDDriverCallbacks_ConfigurationChanged(unsigned char cfgnum)
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{
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printf("Configuration change requested: %c\n\r", cfgnum);
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}
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void USBDCallbacks_RequestReceived(const USBGenericRequest *request)
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{
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printf("RequestHandler called %d\n\r", USBGenericRequest_GetType(request));
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}
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*/
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/*----------------------------------------------------------------------------
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* Main
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*----------------------------------------------------------------------------*/
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/**
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* \brief usb_cdc_serial Application entry point.
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*
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* Initializes drivers and start the USB <-> Serial bridge.
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*/
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int main(void)
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{
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uint8_t isUsbConnected = 0;
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LED_Configure(LED_NUM_GREEN);
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LED_Set(LED_NUM_GREEN);
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/* Disable watchdog */
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WDT_Disable( WDT );
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PIO_InitializeInterrupts(0);
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// NVIC_EnableIRQ(UDP_IRQn);
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/* Enable UPLL for USB */
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// _ConfigureUsbClock();
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/* CDC serial driver initialization */
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// CDCDSerialDriver_Initialize(&driverDescriptors);
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SIMtraceDriver_Initialize();
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// CCIDDriver_Initialize();
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USBD_Connect();
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NVIC_EnableIRQ( UDP_IRQn );
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printf("**** Start");
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while (1) {
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/* Device is not configured */
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if (USBD_GetState() < USBD_STATE_CONFIGURED) {
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if (isUsbConnected) {
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isUsbConnected = 0;
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// TC_Stop(TC0, 0);
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}
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}
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else if (isUsbConnected == 0) {
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printf("USB is now configured\n\r");
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isUsbConnected = 1;
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// TC_Start(TC0, 0);
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}
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}
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}
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