350 lines
10 KiB
C
350 lines
10 KiB
C
/*
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* Copyright 2012 Jun Wako <wakojun@gmail.com>
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* This file is based on:
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* LUFA-120219/Demos/Device/Lowlevel/KeyboardMouse
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* LUFA-120219/Demos/Device/Lowlevel/GenericHID
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*/
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/*
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LUFA Library
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Copyright (C) Dean Camera, 2012.
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dean [at] fourwalledcubicle [dot] com
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www.lufa-lib.org
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*/
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/*
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Copyright 2012 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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Copyright 2010 Denver Gingerich (denver [at] ossguy [dot] com)
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Permission to use, copy, modify, distribute, and sell this
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software and its documentation for any purpose is hereby granted
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without fee, provided that the above copyright notice appear in
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all copies and that both that the copyright notice and this
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permission notice and warranty disclaimer appear in supporting
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documentation, and that the name of the author not be used in
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advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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The author disclaim all warranties with regard to this
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software, including all implied warranties of merchantability
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and fitness. In no event shall the author be liable for any
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special, indirect or consequential damages or any damages
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whatsoever resulting from loss of use, data or profits, whether
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in an action of contract, negligence or other tortious action,
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arising out of or in connection with the use or performance of
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this software.
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*/
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#include "report.h"
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#include "host.h"
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#include "host_driver.h"
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#include "keyboard.h"
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#include "sendchar.h"
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#include "debug.h"
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#include "lufa.h"
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static uint8_t keyboard_led_stats = 0;
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report_keyboard_t keyboard_report_sent;
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report_mouse_t mouse_report_sent;
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/* Host driver */
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static uint8_t keyboard_leds(void);
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static void send_keyboard(report_keyboard_t *report);
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static void send_mouse(report_mouse_t *report);
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static void send_system(uint16_t data);
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static void send_consumer(uint16_t data);
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static host_driver_t lufa_driver = {
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keyboard_leds,
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send_keyboard,
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send_mouse,
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send_system,
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send_consumer
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};
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int main(void)
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{
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SetupHardware();
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sei();
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print_enable = true;
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debug_enable = true;
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debug_matrix = true;
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debug_keyboard = true;
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debug_mouse = true;
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_delay_ms(3000);
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print("abcdefg\n");
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keyboard_init();
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host_set_driver(&lufa_driver);
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while (1) {
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keyboard_proc();
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Keyboard_HID_Task();
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Generic_HID_Task();
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USB_USBTask();
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}
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}
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/** Configures the board hardware and chip peripherals for the demo's functionality. */
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void SetupHardware(void)
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{
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/* Disable watchdog if enabled by bootloader/fuses */
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MCUSR &= ~(1 << WDRF);
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wdt_disable();
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/* Disable clock division */
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clock_prescale_set(clock_div_1);
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USB_Init();
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}
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/** Event handler for the USB_Connect event. */
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void EVENT_USB_Device_Connect(void)
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{
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}
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/** Event handler for the USB_Disconnect event. */
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void EVENT_USB_Device_Disconnect(void)
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{
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}
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/** Event handler for the USB_ConfigurationChanged event.
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* This is fired when the host sets the current configuration of the USB device after enumeration.
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*/
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void EVENT_USB_Device_ConfigurationChanged(void)
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{
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bool ConfigSuccess = true;
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/* Setup Keyboard HID Report Endpoints */
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ConfigSuccess &= Endpoint_ConfigureEndpoint(KEYBOARD_IN_EPNUM, EP_TYPE_INTERRUPT, ENDPOINT_DIR_IN,
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HID_EPSIZE, ENDPOINT_BANK_SINGLE);
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ConfigSuccess &= Endpoint_ConfigureEndpoint(KEYBOARD_OUT_EPNUM, EP_TYPE_INTERRUPT, ENDPOINT_DIR_OUT,
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HID_EPSIZE, ENDPOINT_BANK_SINGLE);
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/* Setup Mouse HID Report Endpoint */
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ConfigSuccess &= Endpoint_ConfigureEndpoint(MOUSE_IN_EPNUM, EP_TYPE_INTERRUPT, ENDPOINT_DIR_IN,
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HID_EPSIZE, ENDPOINT_BANK_SINGLE);
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/* Setup Generic HID Report Endpoints */
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ConfigSuccess &= Endpoint_ConfigureEndpoint(GENERIC_IN_EPNUM, EP_TYPE_INTERRUPT, ENDPOINT_DIR_IN,
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GENERIC_EPSIZE, ENDPOINT_BANK_SINGLE);
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ConfigSuccess &= Endpoint_ConfigureEndpoint(GENERIC_OUT_EPNUM, EP_TYPE_INTERRUPT, ENDPOINT_DIR_OUT,
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GENERIC_EPSIZE, ENDPOINT_BANK_SINGLE);
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}
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/** Event handler for the USB_ControlRequest event.
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* This is fired before passing along unhandled control requests to the library for processing internally.
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*/
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void EVENT_USB_Device_ControlRequest(void)
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{
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uint8_t* ReportData = NULL;
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uint8_t ReportSize = 0;
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/* Handle HID Class specific requests */
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switch (USB_ControlRequest.bRequest)
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{
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case HID_REQ_GetReport:
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if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
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{
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Endpoint_ClearSETUP();
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// Interface
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switch (USB_ControlRequest.wIndex) {
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case 1: // Keyboard
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ReportData = (uint8_t*)&keyboard_report_sent;
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ReportSize = sizeof(keyboard_report_sent);
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break;
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case 2: // Mouse
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ReportData = (uint8_t*)&mouse_report_sent;
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ReportSize = sizeof(mouse_report_sent);
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break;
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case 3: // Generic
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break;
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}
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/* Write the report data to the control endpoint */
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Endpoint_Write_Control_Stream_LE(ReportData, ReportSize);
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Endpoint_ClearOUT();
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}
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break;
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case HID_REQ_SetReport:
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if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
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{
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Endpoint_ClearSETUP();
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/* Wait until the LED report has been sent by the host */
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while (!(Endpoint_IsOUTReceived()))
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{
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if (USB_DeviceState == DEVICE_STATE_Unattached)
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return;
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}
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// Interface
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switch (USB_ControlRequest.wIndex) {
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case 1: // Keyboard
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/* Read in the LED report from the host */
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keyboard_led_stats = Endpoint_Read_8();
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break;
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case 2: // Mouse
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break;
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case 3: // Generic
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break;
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}
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Endpoint_ClearOUT();
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Endpoint_ClearStatusStage();
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}
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break;
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}
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}
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/** Keyboard task.
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* This processes host LED status reports sent to the device via the keyboard OUT reporting endpoint.
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*/
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void Keyboard_HID_Task(void)
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{
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/* Device must be connected and configured for the task to run */
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if (USB_DeviceState != DEVICE_STATE_Configured)
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return;
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/* Select the Keyboard LED Report Endpoint */
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Endpoint_SelectEndpoint(KEYBOARD_OUT_EPNUM);
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/* Check if Keyboard LED Endpoint Ready for Read/Write */
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if (Endpoint_IsReadWriteAllowed())
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{
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/* Read in the LED report from the host */
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keyboard_led_stats = Endpoint_Read_8();
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/* Handshake the OUT Endpoint - clear endpoint and ready for next report */
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Endpoint_ClearOUT();
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}
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}
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void Generic_HID_Task(void)
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{
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/* Device must be connected and configured for the task to run */
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if (USB_DeviceState != DEVICE_STATE_Configured)
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return;
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Endpoint_SelectEndpoint(GENERIC_OUT_EPNUM);
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/* Check to see if a packet has been sent from the host */
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if (Endpoint_IsOUTReceived())
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{
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/* Check to see if the packet contains data */
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if (Endpoint_IsReadWriteAllowed())
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{
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/* Create a temporary buffer to hold the read in report from the host */
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uint8_t GenericData[GENERIC_REPORT_SIZE];
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/* Read Generic Report Data */
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Endpoint_Read_Stream_LE(&GenericData, sizeof(GenericData), NULL);
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/* Process Generic Report Data */
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//TODO: ProcessGenericHIDReport(GenericData);
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}
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/* Finalize the stream transfer to send the last packet */
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Endpoint_ClearOUT();
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}
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/* IN packet */
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Endpoint_SelectEndpoint(GENERIC_IN_EPNUM);
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// send IN packet
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if (Endpoint_IsINReady())
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Endpoint_ClearIN();
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}
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/*******************************************************************************
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* Host driver
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******************************************************************************/
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static uint8_t keyboard_leds(void)
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{
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return keyboard_led_stats;
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}
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static void send_keyboard(report_keyboard_t *report)
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{
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// TODO: handle NKRO report
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/* Select the Keyboard Report Endpoint */
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Endpoint_SelectEndpoint(KEYBOARD_IN_EPNUM);
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/* Check if Keyboard Endpoint Ready for Read/Write */
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if (Endpoint_IsReadWriteAllowed())
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{
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/* Write Keyboard Report Data */
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Endpoint_Write_Stream_LE(report, sizeof(report_keyboard_t), NULL);
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/* Finalize the stream transfer to send the last packet */
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Endpoint_ClearIN();
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}
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keyboard_report_sent = *report;
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}
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static void send_mouse(report_mouse_t *report)
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{
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/* Select the Mouse Report Endpoint */
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Endpoint_SelectEndpoint(MOUSE_IN_EPNUM);
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/* Check if Mouse Endpoint Ready for Read/Write */
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if (Endpoint_IsReadWriteAllowed())
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{
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/* Write Mouse Report Data */
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Endpoint_Write_Stream_LE(report, sizeof(report_mouse_t), NULL);
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/* Finalize the stream transfer to send the last packet */
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Endpoint_ClearIN();
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}
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mouse_report_sent = *report;
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}
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static void send_system(uint16_t data)
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{
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}
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static void send_consumer(uint16_t data)
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{
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}
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/*******************************************************************************
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* sendchar
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******************************************************************************/
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int8_t sendchar(uint8_t c)
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{
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if (USB_DeviceState != DEVICE_STATE_Configured)
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return -1;
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Endpoint_SelectEndpoint(GENERIC_IN_EPNUM);
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uint8_t timeout = 10;
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uint16_t prevFN = USB_Device_GetFrameNumber();
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while (!Endpoint_IsINReady()) {
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switch (USB_DeviceState) {
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case DEVICE_STATE_Unattached:
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case DEVICE_STATE_Suspended:
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return -1;
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}
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if (Endpoint_IsStalled())
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return -1;
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uint16_t currFN = USB_Device_GetFrameNumber();
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if (prevFN != USB_Device_GetFrameNumber()) {
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if (!(timeout--))
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return -1;
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prevFN = USB_Device_GetFrameNumber();
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}
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}
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Endpoint_Write_8(c);
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// send when packet is full
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if (!Endpoint_IsReadWriteAllowed())
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Endpoint_ClearIN();
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return 0;
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}
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