diff options
Diffstat (limited to 'tool/mbed/mbed-sdk/libraries/USBDevice/USBDevice/USBDevice.cpp')
| -rw-r--r-- | tool/mbed/mbed-sdk/libraries/USBDevice/USBDevice/USBDevice.cpp | 1005 |
1 files changed, 1005 insertions, 0 deletions
diff --git a/tool/mbed/mbed-sdk/libraries/USBDevice/USBDevice/USBDevice.cpp b/tool/mbed/mbed-sdk/libraries/USBDevice/USBDevice/USBDevice.cpp new file mode 100644 index 000000000..dc3efc96f --- /dev/null +++ b/tool/mbed/mbed-sdk/libraries/USBDevice/USBDevice/USBDevice.cpp @@ -0,0 +1,1005 @@ +/* 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 = ¤tAlternate; + 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; +} |