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tmk_keyboard/tmk_core/tool/mbed/mbed-sdk/libraries/USBDevice/USBDevice/USBDevice.cpp

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/* 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 "USBEndpoints.h"
#include "USBDevice.h"
#include "USBDescriptor.h"
//#define DEBUG
/* Device status */
#define DEVICE_STATUS_SELF_POWERED (1U<<0)
#define DEVICE_STATUS_REMOTE_WAKEUP (1U<<1)
/* Endpoint status */
#define ENDPOINT_STATUS_HALT (1U<<0)
/* Standard feature selectors */
#define DEVICE_REMOTE_WAKEUP (1)
#define ENDPOINT_HALT (0)
/* Macro to convert wIndex endpoint number to physical endpoint number */
#define WINDEX_TO_PHYSICAL(endpoint) (((endpoint & 0x0f) << 1) + \
((endpoint & 0x80) ? 1 : 0))
bool USBDevice::requestGetDescriptor(void)
{
bool success = false;
#ifdef DEBUG
printf("get descr: type: %d\r\n", DESCRIPTOR_TYPE(transfer.setup.wValue));
#endif
switch (DESCRIPTOR_TYPE(transfer.setup.wValue))
{
case DEVICE_DESCRIPTOR:
if (deviceDesc() != NULL)
{
if ((deviceDesc()[0] == DEVICE_DESCRIPTOR_LENGTH) \
&& (deviceDesc()[1] == DEVICE_DESCRIPTOR))
{
#ifdef DEBUG
printf("device descr\r\n");
#endif
transfer.remaining = DEVICE_DESCRIPTOR_LENGTH;
transfer.ptr = deviceDesc();
transfer.direction = DEVICE_TO_HOST;
success = true;
}
}
break;
case CONFIGURATION_DESCRIPTOR:
if (configurationDesc() != NULL)
{
if ((configurationDesc()[0] == CONFIGURATION_DESCRIPTOR_LENGTH) \
&& (configurationDesc()[1] == CONFIGURATION_DESCRIPTOR))
{
#ifdef DEBUG
printf("conf descr request\r\n");
#endif
/* Get wTotalLength */
transfer.remaining = configurationDesc()[2] \
| (configurationDesc()[3] << 8);
transfer.ptr = configurationDesc();
transfer.direction = DEVICE_TO_HOST;
success = true;
}
}
break;
case STRING_DESCRIPTOR:
#ifdef DEBUG
printf("str descriptor\r\n");
#endif
switch (DESCRIPTOR_INDEX(transfer.setup.wValue))
{
case STRING_OFFSET_LANGID:
#ifdef DEBUG
printf("1\r\n");
#endif
transfer.remaining = stringLangidDesc()[0];
transfer.ptr = stringLangidDesc();
transfer.direction = DEVICE_TO_HOST;
success = true;
break;
case STRING_OFFSET_IMANUFACTURER:
#ifdef DEBUG
printf("2\r\n");
#endif
transfer.remaining = stringImanufacturerDesc()[0];
transfer.ptr = stringImanufacturerDesc();
transfer.direction = DEVICE_TO_HOST;
success = true;
break;
case STRING_OFFSET_IPRODUCT:
#ifdef DEBUG
printf("3\r\n");
#endif
transfer.remaining = stringIproductDesc()[0];
transfer.ptr = stringIproductDesc();
transfer.direction = DEVICE_TO_HOST;
success = true;
break;
case STRING_OFFSET_ISERIAL:
#ifdef DEBUG
printf("4\r\n");
#endif
transfer.remaining = stringIserialDesc()[0];
transfer.ptr = stringIserialDesc();
transfer.direction = DEVICE_TO_HOST;
success = true;
break;
case STRING_OFFSET_ICONFIGURATION:
#ifdef DEBUG
printf("5\r\n");
#endif
transfer.remaining = stringIConfigurationDesc()[0];
transfer.ptr = stringIConfigurationDesc();
transfer.direction = DEVICE_TO_HOST;
success = true;
break;
case STRING_OFFSET_IINTERFACE:
#ifdef DEBUG
printf("6\r\n");
#endif
transfer.remaining = stringIinterfaceDesc()[0];
transfer.ptr = stringIinterfaceDesc();
transfer.direction = DEVICE_TO_HOST;
success = true;
break;
}
break;
case INTERFACE_DESCRIPTOR:
#ifdef DEBUG
printf("interface descr\r\n");
#endif
case ENDPOINT_DESCRIPTOR:
#ifdef DEBUG
printf("endpoint descr\r\n");
#endif
/* TODO: Support is optional, not implemented here */
break;
default:
#ifdef DEBUG
printf("ERROR\r\n");
#endif
break;
}
return success;
}
void USBDevice::decodeSetupPacket(uint8_t *data, SETUP_PACKET *packet)
{
/* Fill in the elements of a SETUP_PACKET structure from raw data */
packet->bmRequestType.dataTransferDirection = (data[0] & 0x80) >> 7;
packet->bmRequestType.Type = (data[0] & 0x60) >> 5;
packet->bmRequestType.Recipient = data[0] & 0x1f;
packet->bRequest = data[1];
packet->wValue = (data[2] | (uint16_t)data[3] << 8);
packet->wIndex = (data[4] | (uint16_t)data[5] << 8);
packet->wLength = (data[6] | (uint16_t)data[7] << 8);
}
bool USBDevice::controlOut(void)
{
/* Control transfer data OUT stage */
uint8_t buffer[MAX_PACKET_SIZE_EP0];
uint32_t packetSize;
/* Check we should be transferring data OUT */
if (transfer.direction != HOST_TO_DEVICE)
{
#if defined(TARGET_KL25Z) | defined(TARGET_KL43Z) | defined(TARGET_KL46Z) | defined(TARGET_K20D5M) | defined(TARGET_K64F) | defined(TARGET_K22F) | defined(TARGET_TEENSY3_1)
/*
* We seem to have a pending device-to-host transfer. The host must have
* sent a new control request without waiting for us to finish processing
* the previous one. This appears to happen when we're connected to certain
* USB 3.0 host chip set. Do a zeor-length send to tell the host we're not
* ready for the new request - that'll make it resend - and then just
* pretend we were successful here so that the pending transfer can finish.
*/
uint8_t buf[1] = { 0 };
EP0write(buf, 0);
/* execute our pending ttransfer */
controlIn();
/* indicate success */
return true;
#else
/* for other platforms, count on the HAL to handle this case */
return false;
#endif
}
/* Read from endpoint */
packetSize = EP0getReadResult(buffer);
/* Check if transfer size is valid */
if (packetSize > transfer.remaining)
{
/* Too big */
return false;
}
/* Update transfer */
transfer.ptr += packetSize;
transfer.remaining -= packetSize;
/* Check if transfer has completed */
if (transfer.remaining == 0)
{
/* Transfer completed */
if (transfer.notify)
{
/* Notify class layer. */
USBCallback_requestCompleted(buffer, packetSize);
transfer.notify = false;
}
/* Status stage */
EP0write(NULL, 0);
}
else
{
EP0read();
}
return true;
}
bool USBDevice::controlIn(void)
{
/* Control transfer data IN stage */
uint32_t packetSize;
/* Check if transfer has completed (status stage transactions */
/* also have transfer.remaining == 0) */
if (transfer.remaining == 0)
{
if (transfer.zlp)
{
/* Send zero length packet */
EP0write(NULL, 0);
transfer.zlp = false;
}
/* Transfer completed */
if (transfer.notify)
{
/* Notify class layer. */
USBCallback_requestCompleted(NULL, 0);
transfer.notify = false;
}
EP0read();
EP0readStage();
/* Completed */
return true;
}
/* Check we should be transferring data IN */
if (transfer.direction != DEVICE_TO_HOST)
{
return false;
}
packetSize = transfer.remaining;
if (packetSize > MAX_PACKET_SIZE_EP0)
{
packetSize = MAX_PACKET_SIZE_EP0;
}
/* Write to endpoint */
EP0write(transfer.ptr, packetSize);
/* Update transfer */
transfer.ptr += packetSize;
transfer.remaining -= packetSize;
return true;
}
bool USBDevice::requestSetAddress(void)
{
/* Set the device address */
setAddress(transfer.setup.wValue);
if (transfer.setup.wValue == 0)
{
device.state = DEFAULT;
}
else
{
device.state = ADDRESS;
}
return true;
}
bool USBDevice::requestSetConfiguration(void)
{
device.configuration = transfer.setup.wValue;
/* Set the device configuration */
if (device.configuration == 0)
{
/* Not configured */
unconfigureDevice();
device.state = ADDRESS;
}
else
{
if (USBCallback_setConfiguration(device.configuration))
{
/* Valid configuration */
configureDevice();
device.state = CONFIGURED;
}
else
{
return false;
}
}
return true;
}
bool USBDevice::requestGetConfiguration(void)
{
/* Send the device configuration */
transfer.ptr = &device.configuration;
transfer.remaining = sizeof(device.configuration);
transfer.direction = DEVICE_TO_HOST;
return true;
}
bool USBDevice::requestGetInterface(void)
{
/* Return the selected alternate setting for an interface */
if (device.state != CONFIGURED)
{
return false;
}
/* Send the alternate setting */
transfer.setup.wIndex = currentInterface;
transfer.ptr = &currentAlternate;
transfer.remaining = sizeof(currentAlternate);
transfer.direction = DEVICE_TO_HOST;
return true;
}
bool USBDevice::requestSetInterface(void)
{
bool success = false;
if(USBCallback_setInterface(transfer.setup.wIndex, transfer.setup.wValue))
{
success = true;
currentInterface = transfer.setup.wIndex;
currentAlternate = transfer.setup.wValue;
}
return success;
}
bool USBDevice::requestSetFeature()
{
bool success = false;
if (device.state != CONFIGURED)
{
/* Endpoint or interface must be zero */
if (transfer.setup.wIndex != 0)
{
return false;
}
}
switch (transfer.setup.bmRequestType.Recipient)
{
case DEVICE_RECIPIENT:
/* TODO: Remote wakeup feature not supported */
break;
case ENDPOINT_RECIPIENT:
if (transfer.setup.wValue == ENDPOINT_HALT)
{
/* TODO: We should check that the endpoint number is valid */
stallEndpoint(
WINDEX_TO_PHYSICAL(transfer.setup.wIndex));
success = true;
}
break;
default:
break;
}
return success;
}
bool USBDevice::requestClearFeature()
{
bool success = false;
if (device.state != CONFIGURED)
{
/* Endpoint or interface must be zero */
if (transfer.setup.wIndex != 0)
{
return false;
}
}
switch (transfer.setup.bmRequestType.Recipient)
{
case DEVICE_RECIPIENT:
/* TODO: Remote wakeup feature not supported */
break;
case ENDPOINT_RECIPIENT:
/* TODO: We should check that the endpoint number is valid */
if (transfer.setup.wValue == ENDPOINT_HALT)
{
unstallEndpoint( WINDEX_TO_PHYSICAL(transfer.setup.wIndex));
success = true;
}
break;
default:
break;
}
return success;
}
bool USBDevice::requestGetStatus(void)
{
static uint16_t status;
bool success = false;
if (device.state != CONFIGURED)
{
/* Endpoint or interface must be zero */
if (transfer.setup.wIndex != 0)
{
return false;
}
}
switch (transfer.setup.bmRequestType.Recipient)
{
case DEVICE_RECIPIENT:
/* TODO: Currently only supports self powered devices */
status = DEVICE_STATUS_SELF_POWERED;
success = true;
break;
case INTERFACE_RECIPIENT:
status = 0;
success = true;
break;
case ENDPOINT_RECIPIENT:
/* TODO: We should check that the endpoint number is valid */
if (getEndpointStallState(
WINDEX_TO_PHYSICAL(transfer.setup.wIndex)))
{
status = ENDPOINT_STATUS_HALT;
}
else
{
status = 0;
}
success = true;
break;
default:
break;
}
if (success)
{
/* Send the status */
transfer.ptr = (uint8_t *)&status; /* Assumes little endian */
transfer.remaining = sizeof(status);
transfer.direction = DEVICE_TO_HOST;
}
return success;
}
bool USBDevice::requestSetup(void)
{
bool success = false;
/* Process standard requests */
if ((transfer.setup.bmRequestType.Type == STANDARD_TYPE))
{
switch (transfer.setup.bRequest)
{
case GET_STATUS:
success = requestGetStatus();
break;
case CLEAR_FEATURE:
success = requestClearFeature();
break;
case SET_FEATURE:
success = requestSetFeature();
break;
case SET_ADDRESS:
success = requestSetAddress();
break;
case GET_DESCRIPTOR:
success = requestGetDescriptor();
break;
case SET_DESCRIPTOR:
/* TODO: Support is optional, not implemented here */
success = false;
break;
case GET_CONFIGURATION:
success = requestGetConfiguration();
break;
case SET_CONFIGURATION:
success = requestSetConfiguration();
break;
case GET_INTERFACE:
success = requestGetInterface();
break;
case SET_INTERFACE:
success = requestSetInterface();
break;
default:
break;
}
}
return success;
}
bool USBDevice::controlSetup(void)
{
bool success = false;
/* Control transfer setup stage */
uint8_t buffer[MAX_PACKET_SIZE_EP0];
EP0setup(buffer);
/* Initialise control transfer state */
decodeSetupPacket(buffer, &transfer.setup);
transfer.ptr = NULL;
transfer.remaining = 0;
transfer.direction = 0;
transfer.zlp = false;
transfer.notify = false;
#ifdef DEBUG
printf("dataTransferDirection: %d\r\nType: %d\r\nRecipient: %d\r\nbRequest: %d\r\nwValue: %d\r\nwIndex: %d\r\nwLength: %d\r\n",transfer.setup.bmRequestType.dataTransferDirection,
transfer.setup.bmRequestType.Type,
transfer.setup.bmRequestType.Recipient,
transfer.setup.bRequest,
transfer.setup.wValue,
transfer.setup.wIndex,
transfer.setup.wLength);
#endif
/* Class / vendor specific */
success = USBCallback_request();
if (!success)
{
/* Standard requests */
if (!requestSetup())
{
#ifdef DEBUG
printf("fail!!!!\r\n");
#endif
return false;
}
}
/* Check transfer size and direction */
if (transfer.setup.wLength>0)
{
if (transfer.setup.bmRequestType.dataTransferDirection \
== DEVICE_TO_HOST)
{
/* IN data stage is required */
if (transfer.direction != DEVICE_TO_HOST)
{
return false;
}
/* Transfer must be less than or equal to the size */
/* requested by the host */
if (transfer.remaining > transfer.setup.wLength)
{
transfer.remaining = transfer.setup.wLength;
}
}
else
{
/* OUT data stage is required */
if (transfer.direction != HOST_TO_DEVICE)
{
return false;
}
/* Transfer must be equal to the size requested by the host */
if (transfer.remaining != transfer.setup.wLength)
{
return false;
}
}
}
else
{
/* No data stage; transfer size must be zero */
if (transfer.remaining != 0)
{
return false;
}
}
/* Data or status stage if applicable */
if (transfer.setup.wLength>0)
{
if (transfer.setup.bmRequestType.dataTransferDirection \
== DEVICE_TO_HOST)
{
/* Check if we'll need to send a zero length packet at */
/* the end of this transfer */
if (transfer.setup.wLength > transfer.remaining)
{
/* Device wishes to transfer less than host requested */
if ((transfer.remaining % MAX_PACKET_SIZE_EP0) == 0)
{
/* Transfer is a multiple of EP0 max packet size */
transfer.zlp = true;
}
}
/* IN stage */
controlIn();
}
else
{
/* OUT stage */
EP0read();
}
}
else
{
/* Status stage */
EP0write(NULL, 0);
}
return true;
}
void USBDevice::busReset(void)
{
device.state = DEFAULT;
device.configuration = 0;
device.suspended = false;
/* Call class / vendor specific busReset function */
USBCallback_busReset();
}
void USBDevice::EP0setupCallback(void)
{
/* Endpoint 0 setup event */
if (!controlSetup())
{
/* Protocol stall */
EP0stall();
}
/* Return true if an OUT data stage is expected */
}
void USBDevice::EP0out(void)
{
/* Endpoint 0 OUT data event */
if (!controlOut())
{
/* Protocol stall; this will stall both endpoints */
EP0stall();
}
}
void USBDevice::EP0in(void)
{
#ifdef DEBUG
printf("EP0IN\r\n");
#endif
/* Endpoint 0 IN data event */
if (!controlIn())
{
/* Protocol stall; this will stall both endpoints */
EP0stall();
}
}
bool USBDevice::configured(void)
{
/* Returns true if device is in the CONFIGURED state */
return (device.state == CONFIGURED);
}
void USBDevice::connect(bool blocking)
{
/* Connect device */
USBHAL::connect();
if (blocking) {
/* Block if not configured */
while (!configured());
}
}
void USBDevice::disconnect(void)
{
/* Disconnect device */
USBHAL::disconnect();
/* Set initial device state */
device.state = POWERED;
device.configuration = 0;
device.suspended = false;
}
CONTROL_TRANSFER * USBDevice::getTransferPtr(void)
{
return &transfer;
}
bool USBDevice::addEndpoint(uint8_t endpoint, uint32_t maxPacket)
{
return realiseEndpoint(endpoint, maxPacket, 0);
}
bool USBDevice::addRateFeedbackEndpoint(uint8_t endpoint, uint32_t maxPacket)
{
/* For interrupt endpoints only */
return realiseEndpoint(endpoint, maxPacket, RATE_FEEDBACK_MODE);
}
uint8_t * USBDevice::findDescriptor(uint8_t descriptorType)
{
/* Find a descriptor within the list of descriptors */
/* following a configuration descriptor. */
uint16_t wTotalLength;
uint8_t *ptr;
if (configurationDesc() == NULL)
{
return NULL;
}
/* Check this is a configuration descriptor */
if ((configurationDesc()[0] != CONFIGURATION_DESCRIPTOR_LENGTH) \
|| (configurationDesc()[1] != CONFIGURATION_DESCRIPTOR))
{
return NULL;
}
wTotalLength = configurationDesc()[2] | (configurationDesc()[3] << 8);
/* Check there are some more descriptors to follow */
if (wTotalLength <= (CONFIGURATION_DESCRIPTOR_LENGTH+2))
/* +2 is for bLength and bDescriptorType of next descriptor */
{
return NULL;
}
/* Start at first descriptor after the configuration descriptor */
ptr = &(configurationDesc()[CONFIGURATION_DESCRIPTOR_LENGTH]);
do {
if (ptr[1] /* bDescriptorType */ == descriptorType)
{
/* Found */
return ptr;
}
/* Skip to next descriptor */
ptr += ptr[0]; /* bLength */
} while (ptr < (configurationDesc() + wTotalLength));
/* Reached end of the descriptors - not found */
return NULL;
}
void USBDevice::connectStateChanged(unsigned int connected)
{
}
void USBDevice::suspendStateChanged(unsigned int suspended)
{
}
USBDevice::USBDevice(uint16_t vendor_id, uint16_t product_id, uint16_t product_release){
VENDOR_ID = vendor_id;
PRODUCT_ID = product_id;
PRODUCT_RELEASE = product_release;
/* Set initial device state */
device.state = POWERED;
device.configuration = 0;
device.suspended = false;
};
bool USBDevice::readStart(uint8_t endpoint, uint32_t maxSize)
{
return endpointRead(endpoint, maxSize) == EP_PENDING;
}
bool USBDevice::write(uint8_t endpoint, uint8_t * buffer, uint32_t size, uint32_t maxSize)
{
EP_STATUS result;
if (size > maxSize)
{
return false;
}
if(!configured()) {
return false;
}
/* Send report */
result = endpointWrite(endpoint, buffer, size);
if (result != EP_PENDING)
{
return false;
}
/* Wait for completion */
do {
result = endpointWriteResult(endpoint);
} while ((result == EP_PENDING) && configured());
return (result == EP_COMPLETED);
}
bool USBDevice::writeNB(uint8_t endpoint, uint8_t * buffer, uint32_t size, uint32_t maxSize)
{
EP_STATUS result;
if (size > maxSize)
{
return false;
}
if(!configured()) {
return false;
}
/* Send report */
result = endpointWrite(endpoint, buffer, size);
if (result != EP_PENDING)
{
return false;
}
result = endpointWriteResult(endpoint);
return (result == EP_COMPLETED);
}
bool USBDevice::readEP(uint8_t endpoint, uint8_t * buffer, uint32_t * size, uint32_t maxSize)
{
EP_STATUS result;
if(!configured()) {
return false;
}
/* Wait for completion */
do {
result = endpointReadResult(endpoint, buffer, size);
} while ((result == EP_PENDING) && configured());
return (result == EP_COMPLETED);
}
bool USBDevice::readEP_NB(uint8_t endpoint, uint8_t * buffer, uint32_t * size, uint32_t maxSize)
{
EP_STATUS result;
if(!configured()) {
return false;
}
result = endpointReadResult(endpoint, buffer, size);
return (result == EP_COMPLETED);
}
uint8_t * USBDevice::deviceDesc() {
static uint8_t deviceDescriptor[] = {
DEVICE_DESCRIPTOR_LENGTH, /* bLength */
DEVICE_DESCRIPTOR, /* bDescriptorType */
LSB(USB_VERSION_2_0), /* bcdUSB (LSB) */
MSB(USB_VERSION_2_0), /* bcdUSB (MSB) */
0x00, /* bDeviceClass */
0x00, /* bDeviceSubClass */
0x00, /* bDeviceprotocol */
MAX_PACKET_SIZE_EP0, /* bMaxPacketSize0 */
(uint8_t)(LSB(VENDOR_ID)), /* idVendor (LSB) */
(uint8_t)(MSB(VENDOR_ID)), /* idVendor (MSB) */
(uint8_t)(LSB(PRODUCT_ID)), /* idProduct (LSB) */
(uint8_t)(MSB(PRODUCT_ID)), /* idProduct (MSB) */
(uint8_t)(LSB(PRODUCT_RELEASE)), /* bcdDevice (LSB) */
(uint8_t)(MSB(PRODUCT_RELEASE)), /* bcdDevice (MSB) */
STRING_OFFSET_IMANUFACTURER, /* iManufacturer */
STRING_OFFSET_IPRODUCT, /* iProduct */
STRING_OFFSET_ISERIAL, /* iSerialNumber */
0x01 /* bNumConfigurations */
};
return deviceDescriptor;
}
uint8_t * USBDevice::stringLangidDesc() {
static uint8_t stringLangidDescriptor[] = {
0x04, /*bLength*/
STRING_DESCRIPTOR, /*bDescriptorType 0x03*/
0x09,0x04, /*bString Lang ID - 0x0409 - English*/
};
return stringLangidDescriptor;
}
uint8_t * USBDevice::stringImanufacturerDesc() {
static uint8_t stringImanufacturerDescriptor[] = {
0x12, /*bLength*/
STRING_DESCRIPTOR, /*bDescriptorType 0x03*/
'm',0,'b',0,'e',0,'d',0,'.',0,'o',0,'r',0,'g',0, /*bString iManufacturer - mbed.org*/
};
return stringImanufacturerDescriptor;
}
uint8_t * USBDevice::stringIserialDesc() {
static uint8_t stringIserialDescriptor[] = {
0x16, /*bLength*/
STRING_DESCRIPTOR, /*bDescriptorType 0x03*/
'0',0,'1',0,'2',0,'3',0,'4',0,'5',0,'6',0,'7',0,'8',0,'9',0, /*bString iSerial - 0123456789*/
};
return stringIserialDescriptor;
}
uint8_t * USBDevice::stringIConfigurationDesc() {
static uint8_t stringIconfigurationDescriptor[] = {
0x06, /*bLength*/
STRING_DESCRIPTOR, /*bDescriptorType 0x03*/
'0',0,'1',0, /*bString iConfiguration - 01*/
};
return stringIconfigurationDescriptor;
}
uint8_t * USBDevice::stringIinterfaceDesc() {
static uint8_t stringIinterfaceDescriptor[] = {
0x08, /*bLength*/
STRING_DESCRIPTOR, /*bDescriptorType 0x03*/
'U',0,'S',0,'B',0, /*bString iInterface - USB*/
};
return stringIinterfaceDescriptor;
}
uint8_t * USBDevice::stringIproductDesc() {
static uint8_t stringIproductDescriptor[] = {
0x16, /*bLength*/
STRING_DESCRIPTOR, /*bDescriptorType 0x03*/
'U',0,'S',0,'B',0,' ',0,'D',0,'E',0,'V',0,'I',0,'C',0,'E',0 /*bString iProduct - USB DEVICE*/
};
return stringIproductDescriptor;
}
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