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261 lines
9.8 KiB
261 lines
9.8 KiB
#include <stdint.h>
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#include "USBHID.h"
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#include "USBHID_Types.h"
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#include "USBDescriptor.h"
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#include "HIDKeyboard.h"
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#define DEFAULT_CONFIGURATION (1)
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HIDKeyboard::HIDKeyboard(uint16_t vendor_id, uint16_t product_id, uint16_t product_release) : USBDevice(vendor_id, product_id, product_release) { USBDevice::connect(); }
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bool HIDKeyboard::sendReport(report_keyboard_t report) {
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USBDevice::write(EP1IN, report.raw, sizeof(report), MAX_PACKET_SIZE_EP1);
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return true;
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}
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uint8_t HIDKeyboard::leds() { return led_state; }
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bool HIDKeyboard::USBCallback_setConfiguration(uint8_t configuration) {
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if (configuration != DEFAULT_CONFIGURATION) {
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return false;
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}
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// Configure endpoints > 0
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addEndpoint(EPINT_IN, MAX_PACKET_SIZE_EPINT);
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// addEndpoint(EPINT_OUT, MAX_PACKET_SIZE_EPINT);
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// We activate the endpoint to be able to recceive data
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// readStart(EPINT_OUT, MAX_PACKET_SIZE_EPINT);
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return true;
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}
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uint8_t *HIDKeyboard::stringImanufacturerDesc() {
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static uint8_t stringImanufacturerDescriptor[] = {
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0x18, /*bLength*/
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STRING_DESCRIPTOR, /*bDescriptorType 0x03*/
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't',
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0,
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'm',
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0,
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'k',
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0,
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'-',
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0,
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'k',
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0,
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'b',
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0,
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'd',
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0,
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'.',
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0,
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'c',
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0,
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'o',
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0,
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'm',
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0 /*bString iManufacturer*/
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};
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return stringImanufacturerDescriptor;
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}
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uint8_t *HIDKeyboard::stringIproductDesc() {
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static uint8_t stringIproductDescriptor[] = {
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0x0a, /*bLength*/
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STRING_DESCRIPTOR, /*bDescriptorType 0x03*/
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'm',
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0,
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'b',
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0,
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'e',
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0,
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'd',
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0 /*bString iProduct*/
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};
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return stringIproductDescriptor;
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}
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uint8_t *HIDKeyboard::stringIserialDesc() {
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static uint8_t stringIserialDescriptor[] = {
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0x04, /*bLength*/
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STRING_DESCRIPTOR, /*bDescriptorType 0x03*/
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'0', 0 /*bString iSerial*/
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};
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return stringIserialDescriptor;
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}
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uint8_t *HIDKeyboard::reportDesc() {
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static uint8_t reportDescriptor[] = {
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USAGE_PAGE(1), 0x01, // Generic Desktop
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USAGE(1), 0x06, // Keyboard
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COLLECTION(1), 0x01, // Application
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USAGE_PAGE(1), 0x07, // Key Codes
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USAGE_MINIMUM(1), 0xE0, USAGE_MAXIMUM(1), 0xE7, LOGICAL_MINIMUM(1), 0x00, LOGICAL_MAXIMUM(1), 0x01, REPORT_SIZE(1), 0x01, REPORT_COUNT(1), 0x08, INPUT(1), 0x02, // Data, Variable, Absolute
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REPORT_COUNT(1), 0x01, REPORT_SIZE(1), 0x08, INPUT(1), 0x01, // Constant
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REPORT_COUNT(1), 0x05, REPORT_SIZE(1), 0x01, USAGE_PAGE(1), 0x08, // LEDs
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USAGE_MINIMUM(1), 0x01, USAGE_MAXIMUM(1), 0x05, OUTPUT(1), 0x02, // Data, Variable, Absolute
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REPORT_COUNT(1), 0x01, REPORT_SIZE(1), 0x03, OUTPUT(1), 0x01, // Constant
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REPORT_COUNT(1), 0x06, REPORT_SIZE(1), 0x08, LOGICAL_MINIMUM(1), 0x00, LOGICAL_MAXIMUM(1), 0xFF, USAGE_PAGE(1), 0x07, // Key Codes
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USAGE_MINIMUM(1), 0x00, USAGE_MAXIMUM(1), 0xFF, INPUT(1), 0x00, // Data, Array
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END_COLLECTION(0),
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};
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reportLength = sizeof(reportDescriptor);
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return reportDescriptor;
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}
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uint16_t HIDKeyboard::reportDescLength() {
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reportDesc();
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return reportLength;
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}
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#define TOTAL_DESCRIPTOR_LENGTH ((1 * CONFIGURATION_DESCRIPTOR_LENGTH) + (1 * INTERFACE_DESCRIPTOR_LENGTH) + (1 * HID_DESCRIPTOR_LENGTH) + (1 * ENDPOINT_DESCRIPTOR_LENGTH))
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uint8_t *HIDKeyboard::configurationDesc() {
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static uint8_t configurationDescriptor[] = {
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CONFIGURATION_DESCRIPTOR_LENGTH, // bLength
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CONFIGURATION_DESCRIPTOR, // bDescriptorType
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LSB(TOTAL_DESCRIPTOR_LENGTH), // wTotalLength (LSB)
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MSB(TOTAL_DESCRIPTOR_LENGTH), // wTotalLength (MSB)
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0x01, // bNumInterfaces
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DEFAULT_CONFIGURATION, // bConfigurationValue
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0x00, // iConfiguration
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C_RESERVED | C_REMOTE_WAKEUP, // bmAttributes
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C_POWER(100), // bMaxPowerHello World from Mbed
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INTERFACE_DESCRIPTOR_LENGTH, // bLength
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INTERFACE_DESCRIPTOR, // bDescriptorType
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0x00, // bInterfaceNumber
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0x00, // bAlternateSetting
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0x01, // bNumEndpoints
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HID_CLASS, // bInterfaceClass
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1, // bInterfaceSubClass (boot)
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1, // bInterfaceProtocol (keyboard)
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0x00, // iInterface
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HID_DESCRIPTOR_LENGTH, // bLength
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HID_DESCRIPTOR, // bDescriptorType
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LSB(HID_VERSION_1_11), // bcdHID (LSB)
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MSB(HID_VERSION_1_11), // bcdHID (MSB)
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0x00, // bCountryCode
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0x01, // bNumDescriptors
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REPORT_DESCRIPTOR, // bDescriptorType
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(uint8_t)(LSB(reportDescLength())), // wDescriptorLength (LSB)
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(uint8_t)(MSB(reportDescLength())), // wDescriptorLength (MSB)
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ENDPOINT_DESCRIPTOR_LENGTH, // bLength
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ENDPOINT_DESCRIPTOR, // bDescriptorType
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PHY_TO_DESC(EP1IN), // bEndpointAddress
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E_INTERRUPT, // bmAttributes
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LSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (LSB)
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MSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (MSB)
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1, // bInterval (milliseconds)
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};
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return configurationDescriptor;
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}
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#if 0
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uint8_t * HIDKeyboard::deviceDesc() {
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static uint8_t deviceDescriptor[] = {
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DEVICE_DESCRIPTOR_LENGTH, /* bLength */
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DEVICE_DESCRIPTOR, /* bDescriptorType */
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LSB(USB_VERSION_2_0), /* bcdUSB (LSB) */
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MSB(USB_VERSION_2_0), /* bcdUSB (MSB) */
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0x00, /* bDeviceClass */
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0x00, /* bDeviceSubClass */
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0x00, /* bDeviceprotocol */
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MAX_PACKET_SIZE_EP0, /* bMaxPacketSize0 */
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(uint8_t)(LSB(0xfeed)), /* idVendor (LSB) */
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(uint8_t)(MSB(0xfeed)), /* idVendor (MSB) */
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(uint8_t)(LSB(0x1bed)), /* idProduct (LSB) */
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(uint8_t)(MSB(0x1bed)), /* idProduct (MSB) */
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(uint8_t)(LSB(0x0002)), /* bcdDevice (LSB) */
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(uint8_t)(MSB(0x0002)), /* bcdDevice (MSB) */
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0, /* iManufacturer */
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0, /* iProduct */
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0, /* iSerialNumber */
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0x01 /* bNumConfigurations */
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};
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return deviceDescriptor;
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}
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#endif
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bool HIDKeyboard::USBCallback_request() {
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bool success = false;
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CONTROL_TRANSFER *transfer = getTransferPtr();
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uint8_t * hidDescriptor;
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// Process additional standard requests
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if ((transfer->setup.bmRequestType.Type == STANDARD_TYPE)) {
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switch (transfer->setup.bRequest) {
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case GET_DESCRIPTOR:
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switch (DESCRIPTOR_TYPE(transfer->setup.wValue)) {
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case REPORT_DESCRIPTOR:
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if ((reportDesc() != NULL) && (reportDescLength() != 0)) {
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transfer->remaining = reportDescLength();
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transfer->ptr = reportDesc();
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transfer->direction = DEVICE_TO_HOST;
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success = true;
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}
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break;
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case HID_DESCRIPTOR:
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// Find the HID descriptor, after the configuration descriptor
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hidDescriptor = findDescriptor(HID_DESCRIPTOR);
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if (hidDescriptor != NULL) {
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transfer->remaining = HID_DESCRIPTOR_LENGTH;
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transfer->ptr = hidDescriptor;
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transfer->direction = DEVICE_TO_HOST;
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success = true;
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}
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break;
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default:
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break;
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}
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break;
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default:
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break;
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}
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}
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// Process class-specific requests
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if (transfer->setup.bmRequestType.Type == CLASS_TYPE) {
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switch (transfer->setup.bRequest) {
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case SET_REPORT:
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// LED indicator
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// TODO: check Interface and Report length?
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// if (transfer->setup.wIndex == INTERFACE_KEYBOAD) { }
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// if (transfer->setup.wLength == 1)
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transfer->remaining = 1;
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// transfer->ptr = ?? what ptr should be set when OUT(not used?)
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transfer->direction = HOST_TO_DEVICE;
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transfer->notify = true; /* notify with USBCallback_requestCompleted */
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success = true;
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default:
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break;
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}
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}
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return success;
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}
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void HIDKeyboard::USBCallback_requestCompleted(uint8_t *buf, uint32_t length) {
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if (length > 0) {
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CONTROL_TRANSFER *transfer = getTransferPtr();
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if (transfer->setup.bmRequestType.Type == CLASS_TYPE) {
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switch (transfer->setup.bRequest) {
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case SET_REPORT:
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led_state = buf[0];
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break;
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default:
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break;
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}
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}
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}
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}
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