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Diff: USBHID/USBHID.cpp
- Branch:
- github-merge
- Revision:
- 73:8d28a0cb7b43
- Parent:
- 25:7c72828865f3
--- a/USBHID/USBHID.cpp Tue May 03 00:16:32 2016 +0100 +++ b/USBHID/USBHID.cpp Fri Apr 28 11:26:51 2017 +0100 @@ -1,276 +1,279 @@ -/* 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 "USBHAL.h" -#include "USBHID.h" - - -USBHID::USBHID(uint8_t output_report_length, uint8_t input_report_length, uint16_t vendor_id, uint16_t product_id, uint16_t product_release, bool connect): USBDevice(vendor_id, product_id, product_release) -{ - output_length = output_report_length; - input_length = input_report_length; - if(connect) { - USBDevice::connect(); - } -} - - -bool USBHID::send(HID_REPORT *report) -{ - return write(EPINT_IN, report->data, report->length, MAX_HID_REPORT_SIZE); -} - -bool USBHID::sendNB(HID_REPORT *report) -{ - return writeNB(EPINT_IN, report->data, report->length, MAX_HID_REPORT_SIZE); -} - - -bool USBHID::read(HID_REPORT *report) -{ - uint32_t bytesRead = 0; - bool result; - result = USBDevice::readEP(EPINT_OUT, report->data, &bytesRead, MAX_HID_REPORT_SIZE); - if(!readStart(EPINT_OUT, MAX_HID_REPORT_SIZE)) - return false; - report->length = bytesRead; - return result; -} - - -bool USBHID::readNB(HID_REPORT *report) -{ - uint32_t bytesRead = 0; - bool result; - result = USBDevice::readEP_NB(EPINT_OUT, report->data, &bytesRead, MAX_HID_REPORT_SIZE); - // if readEP_NB did not succeed, does not issue a readStart - if (!result) - return false; - report->length = bytesRead; - if(!readStart(EPINT_OUT, MAX_HID_REPORT_SIZE)) - return false; - return result; -} - - -uint16_t USBHID::reportDescLength() { - reportDesc(); - return reportLength; -} - - - -// -// Route callbacks from lower layers to class(es) -// - - -// Called in ISR context -// Called by USBDevice on Endpoint0 request -// This is used to handle extensions to standard requests -// and class specific requests -// Return true if class handles this request -bool USBHID::USBCallback_request() { - bool success = false; - CONTROL_TRANSFER * transfer = getTransferPtr(); - uint8_t *hidDescriptor; - - // Process additional standard requests - - if ((transfer->setup.bmRequestType.Type == STANDARD_TYPE)) - { - switch (transfer->setup.bRequest) - { - case GET_DESCRIPTOR: - switch (DESCRIPTOR_TYPE(transfer->setup.wValue)) - { - case REPORT_DESCRIPTOR: - if ((reportDesc() != NULL) \ - && (reportDescLength() != 0)) - { - transfer->remaining = reportDescLength(); - transfer->ptr = reportDesc(); - transfer->direction = DEVICE_TO_HOST; - success = true; - } - break; - case HID_DESCRIPTOR: - // Find the HID descriptor, after the configuration descriptor - hidDescriptor = findDescriptor(HID_DESCRIPTOR); - if (hidDescriptor != NULL) - { - transfer->remaining = HID_DESCRIPTOR_LENGTH; - transfer->ptr = hidDescriptor; - transfer->direction = DEVICE_TO_HOST; - success = true; - } - break; - - default: - break; - } - break; - default: - break; - } - } - - // Process class-specific requests - - if (transfer->setup.bmRequestType.Type == CLASS_TYPE) - { - switch (transfer->setup.bRequest) - { - case SET_REPORT: - // First byte will be used for report ID - outputReport.data[0] = transfer->setup.wValue & 0xff; - outputReport.length = transfer->setup.wLength + 1; - - transfer->remaining = sizeof(outputReport.data) - 1; - transfer->ptr = &outputReport.data[1]; - transfer->direction = HOST_TO_DEVICE; - transfer->notify = true; - success = true; - default: - break; - } - } - - return success; -} - - -#define DEFAULT_CONFIGURATION (1) - - -// Called in ISR context -// Set configuration. Return false if the -// configuration is not supported -bool USBHID::USBCallback_setConfiguration(uint8_t configuration) { - if (configuration != DEFAULT_CONFIGURATION) { - return false; - } - - // Configure endpoints > 0 - addEndpoint(EPINT_IN, MAX_PACKET_SIZE_EPINT); - addEndpoint(EPINT_OUT, MAX_PACKET_SIZE_EPINT); - - // We activate the endpoint to be able to recceive data - readStart(EPINT_OUT, MAX_PACKET_SIZE_EPINT); - return true; -} - - -uint8_t * USBHID::stringIinterfaceDesc() { - static uint8_t stringIinterfaceDescriptor[] = { - 0x08, //bLength - STRING_DESCRIPTOR, //bDescriptorType 0x03 - 'H',0,'I',0,'D',0, //bString iInterface - HID - }; - return stringIinterfaceDescriptor; -} - -uint8_t * USBHID::stringIproductDesc() { - static uint8_t stringIproductDescriptor[] = { - 0x16, //bLength - STRING_DESCRIPTOR, //bDescriptorType 0x03 - 'H',0,'I',0,'D',0,' ',0,'D',0,'E',0,'V',0,'I',0,'C',0,'E',0 //bString iProduct - HID device - }; - return stringIproductDescriptor; -} - - - -uint8_t * USBHID::reportDesc() { - static uint8_t reportDescriptor[] = { - 0x06, LSB(0xFFAB), MSB(0xFFAB), - 0x0A, LSB(0x0200), MSB(0x0200), - 0xA1, 0x01, // Collection 0x01 - 0x75, 0x08, // report size = 8 bits - 0x15, 0x00, // logical minimum = 0 - 0x26, 0xFF, 0x00, // logical maximum = 255 - 0x95, input_length, // report count - 0x09, 0x01, // usage - 0x81, 0x02, // Input (array) - 0x95, output_length,// report count - 0x09, 0x02, // usage - 0x91, 0x02, // Output (array) - 0xC0 // end collection - - }; - reportLength = sizeof(reportDescriptor); - return reportDescriptor; -} - -#define DEFAULT_CONFIGURATION (1) -#define TOTAL_DESCRIPTOR_LENGTH ((1 * CONFIGURATION_DESCRIPTOR_LENGTH) \ - + (1 * INTERFACE_DESCRIPTOR_LENGTH) \ - + (1 * HID_DESCRIPTOR_LENGTH) \ - + (2 * ENDPOINT_DESCRIPTOR_LENGTH)) - -uint8_t * USBHID::configurationDesc() { - static uint8_t configurationDescriptor[] = { - CONFIGURATION_DESCRIPTOR_LENGTH,// bLength - CONFIGURATION_DESCRIPTOR, // bDescriptorType - LSB(TOTAL_DESCRIPTOR_LENGTH), // wTotalLength (LSB) - MSB(TOTAL_DESCRIPTOR_LENGTH), // wTotalLength (MSB) - 0x01, // bNumInterfaces - DEFAULT_CONFIGURATION, // bConfigurationValue - 0x00, // iConfiguration - C_RESERVED | C_SELF_POWERED, // bmAttributes - C_POWER(0), // bMaxPower - - INTERFACE_DESCRIPTOR_LENGTH, // bLength - INTERFACE_DESCRIPTOR, // bDescriptorType - 0x00, // bInterfaceNumber - 0x00, // bAlternateSetting - 0x02, // bNumEndpoints - HID_CLASS, // bInterfaceClass - HID_SUBCLASS_NONE, // bInterfaceSubClass - HID_PROTOCOL_NONE, // bInterfaceProtocol - 0x00, // iInterface - - HID_DESCRIPTOR_LENGTH, // bLength - HID_DESCRIPTOR, // bDescriptorType - LSB(HID_VERSION_1_11), // bcdHID (LSB) - MSB(HID_VERSION_1_11), // bcdHID (MSB) - 0x00, // bCountryCode - 0x01, // bNumDescriptors - REPORT_DESCRIPTOR, // bDescriptorType - (uint8_t)(LSB(this->reportDescLength())), // wDescriptorLength (LSB) - (uint8_t)(MSB(this->reportDescLength())), // wDescriptorLength (MSB) - - ENDPOINT_DESCRIPTOR_LENGTH, // bLength - ENDPOINT_DESCRIPTOR, // bDescriptorType - PHY_TO_DESC(EPINT_IN), // bEndpointAddress - E_INTERRUPT, // bmAttributes - LSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (LSB) - MSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (MSB) - 1, // bInterval (milliseconds) - - ENDPOINT_DESCRIPTOR_LENGTH, // bLength - ENDPOINT_DESCRIPTOR, // bDescriptorType - PHY_TO_DESC(EPINT_OUT), // bEndpointAddress - E_INTERRUPT, // bmAttributes - LSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (LSB) - MSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (MSB) - 1, // bInterval (milliseconds) - }; - return configurationDescriptor; -} +/* 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 "USBHAL.h" +#include "USBHID.h" + + +USBHID::USBHID(uint8_t output_report_length, uint8_t input_report_length, uint16_t vendor_id, uint16_t product_id, uint16_t product_release, bool connect): USBDevice(vendor_id, product_id, product_release) +{ + output_length = output_report_length; + input_length = input_report_length; + if(connect) { + USBDevice::connect(); + } +} + + +bool USBHID::send(HID_REPORT *report) +{ + return write(EPINT_IN, report->data, report->length, MAX_HID_REPORT_SIZE); +} + +bool USBHID::sendNB(HID_REPORT *report) +{ + return writeNB(EPINT_IN, report->data, report->length, MAX_HID_REPORT_SIZE); +} + + +bool USBHID::read(HID_REPORT *report) +{ + uint32_t bytesRead = 0; + bool result; + result = USBDevice::readEP(EPINT_OUT, report->data, &bytesRead, MAX_HID_REPORT_SIZE); + if(!readStart(EPINT_OUT, MAX_HID_REPORT_SIZE)) + return false; + report->length = bytesRead; + return result; +} + + +bool USBHID::readNB(HID_REPORT *report) +{ + uint32_t bytesRead = 0; + bool result; + result = USBDevice::readEP_NB(EPINT_OUT, report->data, &bytesRead, MAX_HID_REPORT_SIZE); + // if readEP_NB did not succeed, does not issue a readStart + if (!result) + return false; + report->length = bytesRead; + if(!readStart(EPINT_OUT, MAX_HID_REPORT_SIZE)) + return false; + return result; +} + + +uint16_t USBHID::reportDescLength() { + reportDesc(); + return reportLength; +} + + + +// +// Route callbacks from lower layers to class(es) +// + + +// Called in ISR context +// Called by USBDevice on Endpoint0 request +// This is used to handle extensions to standard requests +// and class specific requests +// Return true if class handles this request +bool USBHID::USBCallback_request() { + bool success = false; + CONTROL_TRANSFER * transfer = getTransferPtr(); + uint8_t *hidDescriptor; + + // Process additional standard requests + + if ((transfer->setup.bmRequestType.Type == STANDARD_TYPE)) + { + switch (transfer->setup.bRequest) + { + case GET_DESCRIPTOR: + switch (DESCRIPTOR_TYPE(transfer->setup.wValue)) + { + case REPORT_DESCRIPTOR: + if ((reportDesc() != NULL) \ + && (reportDescLength() != 0)) + { + transfer->remaining = reportDescLength(); + transfer->ptr = reportDesc(); + transfer->direction = DEVICE_TO_HOST; + success = true; + } + break; + case HID_DESCRIPTOR: + // Find the HID descriptor, after the configuration descriptor + hidDescriptor = findDescriptor(HID_DESCRIPTOR); + if (hidDescriptor != NULL) + { + transfer->remaining = HID_DESCRIPTOR_LENGTH; + transfer->ptr = hidDescriptor; + transfer->direction = DEVICE_TO_HOST; + success = true; + } + break; + + default: + break; + } + break; + default: + break; + } + } + + // Process class-specific requests + + if (transfer->setup.bmRequestType.Type == CLASS_TYPE) + { + switch (transfer->setup.bRequest) + { + case SET_REPORT: + // First byte will be used for report ID + outputReport.data[0] = transfer->setup.wValue & 0xff; + outputReport.length = transfer->setup.wLength + 1; + + transfer->remaining = sizeof(outputReport.data) - 1; + transfer->ptr = &outputReport.data[1]; + transfer->direction = HOST_TO_DEVICE; + transfer->notify = true; + success = true; + default: + break; + } + } + + return success; +} + + +#define DEFAULT_CONFIGURATION (1) + + +// Called in ISR context +// Set configuration. Return false if the +// configuration is not supported +bool USBHID::USBCallback_setConfiguration(uint8_t configuration) { + if (configuration != DEFAULT_CONFIGURATION) { + return false; + } + + // Configure endpoints > 0 + addEndpoint(EPINT_IN, MAX_PACKET_SIZE_EPINT); + addEndpoint(EPINT_OUT, MAX_PACKET_SIZE_EPINT); + + // We activate the endpoint to be able to recceive data + readStart(EPINT_OUT, MAX_PACKET_SIZE_EPINT); + return true; +} + + +uint8_t * USBHID::stringIinterfaceDesc() { + static uint8_t stringIinterfaceDescriptor[] = { + 0x08, //bLength + STRING_DESCRIPTOR, //bDescriptorType 0x03 + 'H',0,'I',0,'D',0, //bString iInterface - HID + }; + return stringIinterfaceDescriptor; +} + +uint8_t * USBHID::stringIproductDesc() { + static uint8_t stringIproductDescriptor[] = { + 0x16, //bLength + STRING_DESCRIPTOR, //bDescriptorType 0x03 + 'H',0,'I',0,'D',0,' ',0,'D',0,'E',0,'V',0,'I',0,'C',0,'E',0 //bString iProduct - HID device + }; + return stringIproductDescriptor; +} + + + +uint8_t * USBHID::reportDesc() { + static uint8_t reportDescriptor[] = { + USAGE_PAGE(2), LSB(0xFFAB), MSB(0xFFAB), + USAGE(2), LSB(0x0200), MSB(0x0200), + COLLECTION(1), 0x01, // Collection (Application) + + REPORT_SIZE(1), 0x08, // 8 bits + LOGICAL_MINIMUM(1), 0x00, + LOGICAL_MAXIMUM(1), 0xFF, + + REPORT_COUNT(1), input_length, + USAGE(1), 0x01, + INPUT(1), 0x02, // Data, Var, Abs + + REPORT_COUNT(1), output_length, + USAGE(1), 0x02, + OUTPUT(1), 0x02, // Data, Var, Abs + + END_COLLECTION(0), + }; + reportLength = sizeof(reportDescriptor); + return reportDescriptor; +} + +#define DEFAULT_CONFIGURATION (1) +#define TOTAL_DESCRIPTOR_LENGTH ((1 * CONFIGURATION_DESCRIPTOR_LENGTH) \ + + (1 * INTERFACE_DESCRIPTOR_LENGTH) \ + + (1 * HID_DESCRIPTOR_LENGTH) \ + + (2 * ENDPOINT_DESCRIPTOR_LENGTH)) + +uint8_t * USBHID::configurationDesc() { + static uint8_t configurationDescriptor[] = { + CONFIGURATION_DESCRIPTOR_LENGTH, // bLength + CONFIGURATION_DESCRIPTOR, // bDescriptorType + LSB(TOTAL_DESCRIPTOR_LENGTH), // wTotalLength (LSB) + MSB(TOTAL_DESCRIPTOR_LENGTH), // wTotalLength (MSB) + 0x01, // bNumInterfaces + DEFAULT_CONFIGURATION, // bConfigurationValue + 0x00, // iConfiguration + C_RESERVED | C_SELF_POWERED, // bmAttributes + C_POWER(0), // bMaxPower + + INTERFACE_DESCRIPTOR_LENGTH, // bLength + INTERFACE_DESCRIPTOR, // bDescriptorType + 0x00, // bInterfaceNumber + 0x00, // bAlternateSetting + 0x02, // bNumEndpoints + HID_CLASS, // bInterfaceClass + HID_SUBCLASS_NONE, // bInterfaceSubClass + HID_PROTOCOL_NONE, // bInterfaceProtocol + 0x00, // iInterface + + HID_DESCRIPTOR_LENGTH, // bLength + HID_DESCRIPTOR, // bDescriptorType + LSB(HID_VERSION_1_11), // bcdHID (LSB) + MSB(HID_VERSION_1_11), // bcdHID (MSB) + 0x00, // bCountryCode + 0x01, // bNumDescriptors + REPORT_DESCRIPTOR, // bDescriptorType + (uint8_t)(LSB(reportDescLength())), // wDescriptorLength (LSB) + (uint8_t)(MSB(reportDescLength())), // wDescriptorLength (MSB) + + ENDPOINT_DESCRIPTOR_LENGTH, // bLength + ENDPOINT_DESCRIPTOR, // bDescriptorType + PHY_TO_DESC(EPINT_IN), // bEndpointAddress + E_INTERRUPT, // bmAttributes + LSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (LSB) + MSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (MSB) + 1, // bInterval (milliseconds) + + ENDPOINT_DESCRIPTOR_LENGTH, // bLength + ENDPOINT_DESCRIPTOR, // bDescriptorType + PHY_TO_DESC(EPINT_OUT), // bEndpointAddress + E_INTERRUPT, // bmAttributes + LSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (LSB) + MSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (MSB) + 1, // bInterval (milliseconds) + }; + return configurationDescriptor; +}