Add protocol/lufa. LUFA supported now.

1 files changed, 386 insertions, 0 deletions

diff --git a/protocol/lufa/lufa.c b/protocol/lufa/lufa.c
new file mode 100644
index 0000000000..09da96b2e5
--- /dev/null
+++ b/protocol/lufa/lufa.c
@@ -0,0 +1,386 @@
+/* 
+ * Copyright 2012 Jun Wako <wakojun@gmail.com>
+ * This file is based on:
+ *     LUFA-120219/Demos/Device/Lowlevel/KeyboardMouse
+ *     LUFA-120219/Demos/Device/Lowlevel/GenericHID
+ */
+
+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2012.
+
+  dean [at] fourwalledcubicle [dot] com
+           www.lufa-lib.org
+*/
+
+/*
+  Copyright 2012  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+  Copyright 2010  Denver Gingerich (denver [at] ossguy [dot] com)
+
+  Permission to use, copy, modify, distribute, and sell this
+  software and its documentation for any purpose is hereby granted
+  without fee, provided that the above copyright notice appear in
+  all copies and that both that the copyright notice and this
+  permission notice and warranty disclaimer appear in supporting
+  documentation, and that the name of the author not be used in
+  advertising or publicity pertaining to distribution of the
+  software without specific, written prior permission.
+
+  The author disclaim all warranties with regard to this
+  software, including all implied warranties of merchantability
+  and fitness.  In no event shall the author be liable for any
+  special, indirect or consequential damages or any damages
+  whatsoever resulting from loss of use, data or profits, whether
+  in an action of contract, negligence or other tortious action,
+  arising out of or in connection with the use or performance of
+  this software.
+*/
+
+#include "report.h"
+#include "host.h"
+#include "host_driver.h"
+#include "keyboard.h"
+#include "sendchar.h"
+#include "debug.h"
+
+#include "descriptor.h"
+#include "lufa.h"
+
+static uint8_t keyboard_led_stats = 0;
+
+// TODO: impl Control Request GET_REPORT
+static report_keyboard_t keyboard_report_sent;
+static report_mouse_t mouse_report_sent;
+
+/* Host driver */
+static uint8_t keyboard_leds(void);
+static void send_keyboard(report_keyboard_t *report);
+static void send_mouse(report_mouse_t *report);
+static void send_system(uint16_t data);
+static void send_consumer(uint16_t data);
+static host_driver_t lufa_driver = {
+    keyboard_leds,
+    send_keyboard,
+    send_mouse,
+    send_system,
+    send_consumer
+};
+
+
+static void SetupHardware(void);
+static void Console_HID_Task(void);
+
+int main(void)
+{
+    SetupHardware();
+    sei();
+
+    print_enable = true;
+    debug_enable = true;
+    debug_matrix = true;
+    debug_keyboard = true;
+    debug_mouse = true;
+
+/* TODO: can't print here
+    _delay_ms(5000);
+    USB_USBTask();
+    print("abcdefg\n");
+    USB_USBTask();
+*/
+
+    keyboard_init();
+    host_set_driver(&lufa_driver);
+    while (1) {
+        keyboard_proc();
+
+        Console_HID_Task();
+        USB_USBTask();
+    }
+}
+
+void SetupHardware(void)
+{
+    /* Disable watchdog if enabled by bootloader/fuses */
+    MCUSR &= ~(1 << WDRF);
+    wdt_disable();
+
+    /* Disable clock division */
+    clock_prescale_set(clock_div_1);
+
+    USB_Init();
+}
+
+static void Console_HID_Task(void)
+{
+	/* Device must be connected and configured for the task to run */
+	if (USB_DeviceState != DEVICE_STATE_Configured)
+	  return;
+
+        // TODO: impl receivechar()/recvchar()
+	Endpoint_SelectEndpoint(CONSOLE_OUT_EPNUM);
+
+	/* Check to see if a packet has been sent from the host */
+	if (Endpoint_IsOUTReceived())
+	{
+		/* Check to see if the packet contains data */
+		if (Endpoint_IsReadWriteAllowed())
+		{
+			/* Create a temporary buffer to hold the read in report from the host */
+			uint8_t ConsoleData[CONSOLE_EPSIZE];
+
+			/* Read Console Report Data */
+			Endpoint_Read_Stream_LE(&ConsoleData, sizeof(ConsoleData), NULL);
+
+			/* Process Console Report Data */
+			//ProcessConsoleHIDReport(ConsoleData);
+		}
+
+		/* Finalize the stream transfer to send the last packet */
+		Endpoint_ClearOUT();
+	}
+
+        /* IN packet */
+	Endpoint_SelectEndpoint(CONSOLE_IN_EPNUM);
+        // send IN packet
+	if (Endpoint_IsINReady())
+            Endpoint_ClearIN();
+}
+
+
+/*******************************************************************************
+ * USB Events
+ ******************************************************************************/
+/** Event handler for the USB_Connect event. */
+void EVENT_USB_Device_Connect(void)
+{
+}
+
+/** Event handler for the USB_Disconnect event. */
+void EVENT_USB_Device_Disconnect(void)
+{
+}
+
+/** Event handler for the USB_ConfigurationChanged event.
+ * This is fired when the host sets the current configuration of the USB device after enumeration.
+ */
+void EVENT_USB_Device_ConfigurationChanged(void)
+{
+    bool ConfigSuccess = true;
+
+    /* Setup Keyboard HID Report Endpoints */
+    ConfigSuccess &= Endpoint_ConfigureEndpoint(KEYBOARD_IN_EPNUM, EP_TYPE_INTERRUPT, ENDPOINT_DIR_IN,
+                                                KEYBOARD_EPSIZE, ENDPOINT_BANK_SINGLE);
+
+    /* Setup Mouse HID Report Endpoint */
+    ConfigSuccess &= Endpoint_ConfigureEndpoint(MOUSE_IN_EPNUM, EP_TYPE_INTERRUPT, ENDPOINT_DIR_IN,
+                                                MOUSE_EPSIZE, ENDPOINT_BANK_SINGLE);
+
+    /* Setup Console HID Report Endpoints */
+    ConfigSuccess &= Endpoint_ConfigureEndpoint(CONSOLE_IN_EPNUM, EP_TYPE_INTERRUPT, ENDPOINT_DIR_IN,
+                                                CONSOLE_EPSIZE, ENDPOINT_BANK_SINGLE);
+    ConfigSuccess &= Endpoint_ConfigureEndpoint(CONSOLE_OUT_EPNUM, EP_TYPE_INTERRUPT, ENDPOINT_DIR_OUT,
+                                                CONSOLE_EPSIZE, ENDPOINT_BANK_SINGLE);
+
+    /* Setup Extra HID Report Endpoint */
+    ConfigSuccess &= Endpoint_ConfigureEndpoint(EXTRA_IN_EPNUM, EP_TYPE_INTERRUPT, ENDPOINT_DIR_IN,
+                                                EXTRA_EPSIZE, ENDPOINT_BANK_SINGLE);
+}
+
+/*
+Appendix G: HID Request Support Requirements
+
+The following table enumerates the requests that need to be supported by various types of HID class devices.
+
+Device type     GetReport   SetReport   GetIdle     SetIdle     GetProtocol SetProtocol
+------------------------------------------------------------------------------------------
+Boot Mouse      Required    Optional    Optional    Optional    Required    Required
+Non-Boot Mouse  Required    Optional    Optional    Optional    Optional    Optional
+Boot Keyboard   Required    Optional    Required    Required    Required    Required
+Non-Boot Keybrd Required    Optional    Required    Required    Optional    Optional
+Other Device    Required    Optional    Optional    Optional    Optional    Optional
+*/
+/** Event handler for the USB_ControlRequest event.
+ *  This is fired before passing along unhandled control requests to the library for processing internally.
+ */
+void EVENT_USB_Device_ControlRequest(void)
+{
+    uint8_t* ReportData = NULL;
+    uint8_t  ReportSize = 0;
+
+    /* Handle HID Class specific requests */
+    switch (USB_ControlRequest.bRequest)
+    {
+        case HID_REQ_GetReport:
+            if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
+            {
+                Endpoint_ClearSETUP();
+
+                // Interface
+                switch (USB_ControlRequest.wIndex) {
+                case KEYBOARD_INTERFACE:
+                    // TODO: test/check
+                    ReportData = (uint8_t*)&keyboard_report_sent;
+                    ReportSize = sizeof(keyboard_report_sent);
+                    break;
+                case MOUSE_INTERFACE:
+                    // TODO: test/check
+                    ReportData = (uint8_t*)&mouse_report_sent;
+                    ReportSize = sizeof(mouse_report_sent);
+                    break;
+                case CONSOLE_INTERFACE:
+                    break;
+                case EXTRA_INTERFACE:
+                    break;
+                }
+
+                /* Write the report data to the control endpoint */
+                Endpoint_Write_Control_Stream_LE(ReportData, ReportSize);
+                Endpoint_ClearOUT();
+            }
+
+            break;
+        case HID_REQ_SetReport:
+            if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
+            {
+                Endpoint_ClearSETUP();
+
+                /* Wait until the LED report has been sent by the host */
+                while (!(Endpoint_IsOUTReceived()))
+                {
+                    if (USB_DeviceState == DEVICE_STATE_Unattached)
+                      return;
+                }
+
+                // Interface
+                switch (USB_ControlRequest.wIndex) {
+                case KEYBOARD_INTERFACE:
+                    // TODO: test/check
+                    /* Read in the LED report from the host */
+                    keyboard_led_stats = Endpoint_Read_8();
+                    break;
+                case MOUSE_INTERFACE:
+                    break;
+                case CONSOLE_INTERFACE:
+                    break;
+                case EXTRA_INTERFACE:
+                    break;
+                }
+
+                Endpoint_ClearOUT();
+                Endpoint_ClearStatusStage();
+            }
+
+            break;
+    }
+}
+
+/*******************************************************************************
+ * Host driver 
+ ******************************************************************************/
+static uint8_t keyboard_leds(void)
+{
+    return keyboard_led_stats;
+}
+
+static void send_keyboard(report_keyboard_t *report)
+{
+    // TODO: handle NKRO report
+    /* Select the Keyboard Report Endpoint */
+    Endpoint_SelectEndpoint(KEYBOARD_IN_EPNUM);
+
+    /* Check if Keyboard Endpoint Ready for Read/Write */
+    if (Endpoint_IsReadWriteAllowed())
+    {
+        /* Write Keyboard Report Data */
+        Endpoint_Write_Stream_LE(report, sizeof(report_keyboard_t), NULL);
+
+        /* Finalize the stream transfer to send the last packet */
+        Endpoint_ClearIN();
+    }
+    keyboard_report_sent = *report;
+}
+
+static void send_mouse(report_mouse_t *report)
+{
+    /* Select the Mouse Report Endpoint */
+    Endpoint_SelectEndpoint(MOUSE_IN_EPNUM);
+
+    /* Check if Mouse Endpoint Ready for Read/Write */
+    if (Endpoint_IsReadWriteAllowed())
+    {
+        /* Write Mouse Report Data */
+        Endpoint_Write_Stream_LE(report, sizeof(report_mouse_t), NULL);
+
+        /* Finalize the stream transfer to send the last packet */
+        Endpoint_ClearIN();
+    }
+    mouse_report_sent = *report;
+}
+
+typedef struct {
+    uint8_t  report_id;
+    uint16_t usage;
+} __attribute__ ((packed)) report_extra_t;
+
+static void send_system(uint16_t data)
+{
+    Endpoint_SelectEndpoint(EXTRA_IN_EPNUM);
+    if (Endpoint_IsReadWriteAllowed()) {
+        report_extra_t r = {
+            .report_id = REPORT_ID_SYSTEM,
+            .usage = data
+        };
+        Endpoint_Write_Stream_LE(&r, sizeof(report_extra_t), NULL);
+        Endpoint_ClearIN();
+    }
+}
+
+static void send_consumer(uint16_t data)
+{
+    Endpoint_SelectEndpoint(EXTRA_IN_EPNUM);
+    if (Endpoint_IsReadWriteAllowed()) {
+        report_extra_t r = {
+            .report_id = REPORT_ID_CONSUMER,
+            .usage = data
+        };
+        Endpoint_Write_Stream_LE(&r, sizeof(report_extra_t), NULL);
+        Endpoint_ClearIN();
+    }
+}
+
+
+/*******************************************************************************
+ * sendchar
+ ******************************************************************************/
+int8_t sendchar(uint8_t c)
+{
+    if (USB_DeviceState != DEVICE_STATE_Configured)
+      return -1;
+
+    Endpoint_SelectEndpoint(CONSOLE_IN_EPNUM);
+
+    uint8_t timeout = 10;
+    uint16_t prevFN = USB_Device_GetFrameNumber();
+    while (!Endpoint_IsINReady()) {
+        switch (USB_DeviceState) {
+        case DEVICE_STATE_Unattached:
+        case DEVICE_STATE_Suspended:
+            return -1;
+        }
+        if (Endpoint_IsStalled())
+            return -1;
+        if (prevFN != USB_Device_GetFrameNumber()) {
+            if (!(timeout--))
+                return -1;
+            prevFN = USB_Device_GetFrameNumber();
+        }
+    }
+
+    Endpoint_Write_8(c);
+
+    // send when packet is full
+    if (!Endpoint_IsReadWriteAllowed())
+        Endpoint_ClearIN();
+
+    return 0;
+}