diff options
Diffstat (limited to 'protocol/mbed/HIDKeyboard.cpp')
-rw-r--r-- | protocol/mbed/HIDKeyboard.cpp | 271 |
1 files changed, 271 insertions, 0 deletions
diff --git a/protocol/mbed/HIDKeyboard.cpp b/protocol/mbed/HIDKeyboard.cpp new file mode 100644 index 0000000000..947077cd24 --- /dev/null +++ b/protocol/mbed/HIDKeyboard.cpp @@ -0,0 +1,271 @@ +#include <stdint.h> +#include "USBHID.h" +#include "USBHID_Types.h" +#include "USBDescriptor.h" +#include "HIDKeyboard.h" + +#define DEFAULT_CONFIGURATION (1) + + +HIDKeyboard::HIDKeyboard(uint16_t vendor_id, uint16_t product_id, uint16_t product_release): USBDevice(vendor_id, product_id, product_release) +{ + USBDevice::connect(); +} + +bool HIDKeyboard::sendReport(report_keyboard_t report) { + USBDevice::write(EP1IN, report.raw, sizeof(report), MAX_PACKET_SIZE_EP1); + return true; +} + +uint8_t HIDKeyboard::leds() { + return led_state; +} + +bool HIDKeyboard::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 * HIDKeyboard::stringImanufacturerDesc() { + static uint8_t stringImanufacturerDescriptor[] = { + 0x18, /*bLength*/ + STRING_DESCRIPTOR, /*bDescriptorType 0x03*/ + 't',0,'m',0,'k',0,'-',0,'k',0,'b',0,'d',0,'.',0,'c',0,'o',0,'m',0 /*bString iManufacturer*/ + }; + return stringImanufacturerDescriptor; +} + +uint8_t * HIDKeyboard::stringIproductDesc() { + static uint8_t stringIproductDescriptor[] = { + 0x0a, /*bLength*/ + STRING_DESCRIPTOR, /*bDescriptorType 0x03*/ + 'm',0,'b',0,'e',0,'d',0 /*bString iProduct*/ + }; + return stringIproductDescriptor; +} + +uint8_t * HIDKeyboard::stringIserialDesc() { + static uint8_t stringIserialDescriptor[] = { + 0x04, /*bLength*/ + STRING_DESCRIPTOR, /*bDescriptorType 0x03*/ + '0',0 /*bString iSerial*/ + }; + return stringIserialDescriptor; +} + +uint8_t * HIDKeyboard::reportDesc() { + static uint8_t reportDescriptor[] = { + USAGE_PAGE(1), 0x01, // Generic Desktop + USAGE(1), 0x06, // Keyboard + COLLECTION(1), 0x01, // Application + + USAGE_PAGE(1), 0x07, // Key Codes + 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 + + REPORT_COUNT(1), 0x01, + REPORT_SIZE(1), 0x08, + INPUT(1), 0x01, // Constant + + REPORT_COUNT(1), 0x05, + REPORT_SIZE(1), 0x01, + USAGE_PAGE(1), 0x08, // LEDs + USAGE_MINIMUM(1), 0x01, + USAGE_MAXIMUM(1), 0x05, + OUTPUT(1), 0x02, // Data, Variable, Absolute + + REPORT_COUNT(1), 0x01, + REPORT_SIZE(1), 0x03, + OUTPUT(1), 0x01, // Constant + + + REPORT_COUNT(1), 0x06, + REPORT_SIZE(1), 0x08, + LOGICAL_MINIMUM(1), 0x00, + LOGICAL_MAXIMUM(1), 0xFF, + USAGE_PAGE(1), 0x07, // Key Codes + USAGE_MINIMUM(1), 0x00, + USAGE_MAXIMUM(1), 0xFF, + INPUT(1), 0x00, // Data, Array + END_COLLECTION(0), + }; + reportLength = sizeof(reportDescriptor); + return reportDescriptor; +} + +uint16_t HIDKeyboard::reportDescLength() { + reportDesc(); + return reportLength; +} + +#define TOTAL_DESCRIPTOR_LENGTH ((1 * CONFIGURATION_DESCRIPTOR_LENGTH) \ + + (1 * INTERFACE_DESCRIPTOR_LENGTH) \ + + (1 * HID_DESCRIPTOR_LENGTH) \ + + (1 * ENDPOINT_DESCRIPTOR_LENGTH)) +uint8_t * HIDKeyboard::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_REMOTE_WAKEUP, // bmAttributes + C_POWER(100), // bMaxPowerHello World from Mbed + + INTERFACE_DESCRIPTOR_LENGTH, // bLength + INTERFACE_DESCRIPTOR, // bDescriptorType + 0x00, // bInterfaceNumber + 0x00, // bAlternateSetting + 0x01, // bNumEndpoints + HID_CLASS, // bInterfaceClass + 1, // bInterfaceSubClass (boot) + 1, // bInterfaceProtocol (keyboard) + 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(EP1IN), // bEndpointAddress + E_INTERRUPT, // bmAttributes + LSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (LSB) + MSB(MAX_PACKET_SIZE_EPINT), // wMaxPacketSize (MSB) + 1, // bInterval (milliseconds) + }; + return configurationDescriptor; +} + +#if 0 +uint8_t * HIDKeyboard::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(0xfeed)), /* idVendor (LSB) */ + (uint8_t)(MSB(0xfeed)), /* idVendor (MSB) */ + (uint8_t)(LSB(0x1bed)), /* idProduct (LSB) */ + (uint8_t)(MSB(0x1bed)), /* idProduct (MSB) */ + (uint8_t)(LSB(0x0002)), /* bcdDevice (LSB) */ + (uint8_t)(MSB(0x0002)), /* bcdDevice (MSB) */ + 0, /* iManufacturer */ + 0, /* iProduct */ + 0, /* iSerialNumber */ + 0x01 /* bNumConfigurations */ + }; + return deviceDescriptor; +} +#endif + +bool HIDKeyboard::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: + // LED indicator + // TODO: check Interface and Report length? + // if (transfer->setup.wIndex == INTERFACE_KEYBOAD) { } + // if (transfer->setup.wLength == 1) + + transfer->remaining = 1; + //transfer->ptr = ?? what ptr should be set when OUT(not used?) + transfer->direction = HOST_TO_DEVICE; + transfer->notify = true; /* notify with USBCallback_requestCompleted */ + success = true; + default: + break; + } + } + + return success; +} + +void HIDKeyboard::USBCallback_requestCompleted(uint8_t * buf, uint32_t length) +{ + if (length > 0) { + CONTROL_TRANSFER *transfer = getTransferPtr(); + if (transfer->setup.bmRequestType.Type == CLASS_TYPE) { + switch (transfer->setup.bRequest) { + case SET_REPORT: + led_state = buf[0]; + break; + default: + break; + } + } + } +} |