/*
LUFA Library
- Copyright (C) Dean Camera, 2010.
-
+ Copyright (C) Dean Camera, 2011.
+
dean [at] fourwalledcubicle [dot] com
- www.fourwalledcubicle.com
+ www.lufa-lib.org
*/
/*
- Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+ Copyright 2011 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
+ 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
+ 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
+ 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
* Main source file for the Keyboard demo. This file contains the main tasks of the demo and
* is responsible for the initial application hardware configuration.
*/
-
+
#include "Keyboard.h"
/** Indicates what report mode the host has requested, true for normal HID reporting mode, false for special boot
* protocol reporting mode.
*/
-bool UsingReportProtocol = true;
+static bool UsingReportProtocol = true;
/** Current Idle period. This is set by the host via a Set Idle HID class request to silence the device's reports
* for either the entire idle duration, or until the report status changes (e.g. the user presses a key).
*/
-uint16_t IdleCount = 500;
+static uint16_t IdleCount = 500;
/** Current Idle period remaining. When the IdleCount value is set, this tracks the remaining number of idle
- * milliseconds. This is separate to the IdleCount timer and is incremented and compared as the host may request
+ * milliseconds. This is separate to the IdleCount timer and is incremented and compared as the host may request
* the current idle period via a Get Idle HID class request, thus its value must be preserved.
*/
-uint16_t IdleMSRemaining = 0;
+static uint16_t IdleMSRemaining = 0;
/** Main program entry point. This routine configures the hardware required by the application, then
int main(void)
{
SetupHardware();
-
+
LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
sei();
* of the USB device after enumeration, and configures the keyboard device endpoints.
*/
void EVENT_USB_Device_ConfigurationChanged(void)
-{
+{
bool ConfigSuccess = true;
/* Setup HID Report Endpoints */
ConfigSuccess &= Endpoint_ConfigureEndpoint(KEYBOARD_OUT_EPNUM, EP_TYPE_INTERRUPT, ENDPOINT_DIR_OUT,
KEYBOARD_EPSIZE, ENDPOINT_BANK_SINGLE);
- /* Turn on Start-of-Frame events for tracking HID report period exiry */
+ /* Turn on Start-of-Frame events for tracking HID report period expiry */
USB_Device_EnableSOFEvents();
/* Indicate endpoint configuration success or failure */
- LEDs_SetAllLEDs(ConfigSuccess ? LEDMASK_USB_READY : LEDMASK_USB_ERROR);
+ LEDs_SetAllLEDs(ConfigSuccess ? LEDMASK_USB_READY : LEDMASK_USB_ERROR);
}
-/** Event handler for the USB_UnhandledControlRequest event. This is used to catch standard and class specific
- * control requests that are not handled internally by the USB library (including the HID commands, which are
- * all issued via the control endpoint), so that they can be handled appropriately for the application.
+/** Event handler for the USB_ControlRequest event. This is used to catch and process control requests sent to
+ * the device from the USB host before passing along unhandled control requests to the library for processing
+ * internally.
*/
-void EVENT_USB_Device_UnhandledControlRequest(void)
+void EVENT_USB_Device_ControlRequest(void)
{
/* Handle HID Class specific requests */
switch (USB_ControlRequest.bRequest)
{
- case REQ_GetReport:
+ case HID_REQ_GetReport:
if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
{
USB_KeyboardReport_Data_t KeyboardReportData;
Endpoint_Write_Control_Stream_LE(&KeyboardReportData, sizeof(KeyboardReportData));
Endpoint_ClearOUT();
}
-
+
break;
- case REQ_SetReport:
+ 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()))
{
}
/* Read in the LED report from the host */
- uint8_t LEDStatus = Endpoint_Read_Byte();
+ uint8_t LEDStatus = Endpoint_Read_8();
Endpoint_ClearOUT();
Endpoint_ClearStatusStage();
/* Process the incoming LED report */
ProcessLEDReport(LEDStatus);
}
-
+
break;
- case REQ_GetProtocol:
+ case HID_REQ_GetProtocol:
if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
{
Endpoint_ClearSETUP();
-
+
/* Write the current protocol flag to the host */
- Endpoint_Write_Byte(UsingReportProtocol);
+ Endpoint_Write_8(UsingReportProtocol);
Endpoint_ClearIN();
Endpoint_ClearStatusStage();
}
-
+
break;
- case REQ_SetProtocol:
+ case HID_REQ_SetProtocol:
if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
{
Endpoint_ClearSETUP();
/* Set or clear the flag depending on what the host indicates that the current Protocol should be */
UsingReportProtocol = (USB_ControlRequest.wValue != 0);
}
-
+
break;
- case REQ_SetIdle:
+ case HID_REQ_SetIdle:
if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
{
- Endpoint_ClearSETUP();
+ Endpoint_ClearSETUP();
Endpoint_ClearStatusStage();
/* Get idle period in MSB, IdleCount must be multiplied by 4 to get number of milliseconds */
IdleCount = ((USB_ControlRequest.wValue & 0xFF00) >> 6);
}
-
+
break;
- case REQ_GetIdle:
+ case HID_REQ_GetIdle:
if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
- {
+ {
Endpoint_ClearSETUP();
-
+
/* Write the current idle duration to the host, must be divided by 4 before sent to host */
- Endpoint_Write_Byte(IdleCount >> 2);
+ Endpoint_Write_8(IdleCount >> 2);
Endpoint_ClearIN();
Endpoint_ClearStatusStage();
/* Clear the report contents */
memset(ReportData, 0, sizeof(USB_KeyboardReport_Data_t));
-
+
/* Make sent key uppercase by indicating that the left shift key is pressed */
- ReportData->Modifier = KEYBOARD_MODIFER_LEFTSHIFT;
-
+ ReportData->Modifier = HID_KEYBOARD_MODIFER_LEFTSHIFT;
+
if (JoyStatus_LCL & JOY_UP)
- ReportData->KeyCode[UsedKeyCodes++] = 0x04; // A
+ ReportData->KeyCode[UsedKeyCodes++] = HID_KEYBOARD_SC_A;
else if (JoyStatus_LCL & JOY_DOWN)
- ReportData->KeyCode[UsedKeyCodes++] = 0x05; // B
+ ReportData->KeyCode[UsedKeyCodes++] = HID_KEYBOARD_SC_B;
if (JoyStatus_LCL & JOY_LEFT)
- ReportData->KeyCode[UsedKeyCodes++] = 0x06; // C
+ ReportData->KeyCode[UsedKeyCodes++] = HID_KEYBOARD_SC_C;
else if (JoyStatus_LCL & JOY_RIGHT)
- ReportData->KeyCode[UsedKeyCodes++] = 0x07; // D
+ ReportData->KeyCode[UsedKeyCodes++] = HID_KEYBOARD_SC_D;
if (JoyStatus_LCL & JOY_PRESS)
- ReportData->KeyCode[UsedKeyCodes++] = 0x08; // E
-
+ ReportData->KeyCode[UsedKeyCodes++] = HID_KEYBOARD_SC_E;
+
if (ButtonStatus_LCL & BUTTONS_BUTTON1)
- ReportData->KeyCode[UsedKeyCodes++] = 0x09; // F
+ ReportData->KeyCode[UsedKeyCodes++] = HID_KEYBOARD_SC_F;
}
/** Processes a received LED report, and updates the board LEDs states to match.
void ProcessLEDReport(const uint8_t LEDReport)
{
uint8_t LEDMask = LEDS_LED2;
-
- if (LEDReport & KEYBOARD_LED_NUMLOCK)
+
+ if (LEDReport & HID_KEYBOARD_LED_NUMLOCK)
LEDMask |= LEDS_LED1;
-
- if (LEDReport & KEYBOARD_LED_CAPSLOCK)
+
+ if (LEDReport & HID_KEYBOARD_LED_CAPSLOCK)
LEDMask |= LEDS_LED3;
- if (LEDReport & KEYBOARD_LED_SCROLLLOCK)
+ if (LEDReport & HID_KEYBOARD_LED_SCROLLLOCK)
LEDMask |= LEDS_LED4;
/* Set the status LEDs to the current Keyboard LED status */
static USB_KeyboardReport_Data_t PrevKeyboardReportData;
USB_KeyboardReport_Data_t KeyboardReportData;
bool SendReport = true;
-
+
/* Create the next keyboard report for transmission to the host */
CreateKeyboardReport(&KeyboardReportData);
-
+
/* Check to see if the report data has changed - if so a report MUST be sent */
SendReport = (memcmp(&PrevKeyboardReportData, &KeyboardReportData, sizeof(USB_KeyboardReport_Data_t)) != 0);
-
+
/* Check if the idle period is set and has elapsed */
- if ((IdleCount != HID_IDLE_CHANGESONLY) && (!(IdleMSRemaining)))
+ if (IdleCount && (!(IdleMSRemaining)))
{
/* Reset the idle time remaining counter */
IdleMSRemaining = IdleCount;
-
+
/* Idle period is set and has elapsed, must send a report to the host */
SendReport = true;
}
-
+
/* Select the Keyboard Report Endpoint */
Endpoint_SelectEndpoint(KEYBOARD_IN_EPNUM);
{
/* Save the current report data for later comparison to check for changes */
PrevKeyboardReportData = KeyboardReportData;
-
+
/* Write Keyboard Report Data */
- Endpoint_Write_Stream_LE(&KeyboardReportData, sizeof(KeyboardReportData));
-
+ Endpoint_Write_Stream_LE(&KeyboardReportData, sizeof(KeyboardReportData), NULL);
+
/* Finalize the stream transfer to send the last packet */
Endpoint_ClearIN();
}
if (Endpoint_IsReadWriteAllowed())
{
/* Read in the LED report from the host */
- uint8_t LEDReport = Endpoint_Read_Byte();
+ uint8_t LEDReport = Endpoint_Read_8();
/* Process the read LED report from the host */
ProcessLEDReport(LEDReport);
/* Device must be connected and configured for the task to run */
if (USB_DeviceState != DEVICE_STATE_Configured)
return;
-
+
/* Send the next keypress report to the host */
SendNextReport();
-
+
/* Process the LED report sent from the host */
ReceiveNextReport();
}
+
projects / pub / USBasp.git / blobdiff