/*
LUFA Library
- Copyright (C) Dean Camera, 2010.
+ Copyright (C) Dean Camera, 2015.
dean [at] fourwalledcubicle [dot] com
- www.fourwalledcubicle.com
+ www.lufa-lib.org
*/
/*
- Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+ Copyright 2015 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
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
- The author disclaim all warranties with regard to this
+ The author disclaims 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
#include "Keyboard.h"
-/** Indicates what report mode the host has requested, true for normal HID reporting mode, false for special boot
+/** Indicates what report mode the host has requested, true for normal HID reporting mode, \c 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
* 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
SetupHardware();
LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
- sei();
+ GlobalInterruptEnable();
for (;;)
{
/** Configures the board hardware and chip peripherals for the demo's functionality. */
void SetupHardware(void)
{
+#if (ARCH == ARCH_AVR8)
/* Disable watchdog if enabled by bootloader/fuses */
MCUSR &= ~(1 << WDRF);
wdt_disable();
/* Disable clock division */
clock_prescale_set(clock_div_1);
+#elif (ARCH == ARCH_XMEGA)
+ /* Start the PLL to multiply the 2MHz RC oscillator to 32MHz and switch the CPU core to run from it */
+ XMEGACLK_StartPLL(CLOCK_SRC_INT_RC2MHZ, 2000000, F_CPU);
+ XMEGACLK_SetCPUClockSource(CLOCK_SRC_PLL);
+
+ /* Start the 32MHz internal RC oscillator and start the DFLL to increase it to 48MHz using the USB SOF as a reference */
+ XMEGACLK_StartInternalOscillator(CLOCK_SRC_INT_RC32MHZ);
+ XMEGACLK_StartDFLL(CLOCK_SRC_INT_RC32MHZ, DFLL_REF_INT_USBSOF, F_USB);
+
+ PMIC.CTRL = PMIC_LOLVLEN_bm | PMIC_MEDLVLEN_bm | PMIC_HILVLEN_bm;
+#endif
/* Hardware Initialization */
Joystick_Init();
bool ConfigSuccess = true;
/* Setup HID Report Endpoints */
- ConfigSuccess &= Endpoint_ConfigureEndpoint(KEYBOARD_IN_EPNUM, EP_TYPE_INTERRUPT, ENDPOINT_DIR_IN,
- KEYBOARD_EPSIZE, ENDPOINT_BANK_SINGLE);
- ConfigSuccess &= Endpoint_ConfigureEndpoint(KEYBOARD_OUT_EPNUM, EP_TYPE_INTERRUPT, ENDPOINT_DIR_OUT,
- KEYBOARD_EPSIZE, ENDPOINT_BANK_SINGLE);
+ ConfigSuccess &= Endpoint_ConfigureEndpoint(KEYBOARD_IN_EPADDR, EP_TYPE_INTERRUPT, KEYBOARD_EPSIZE, 1);
+ ConfigSuccess &= Endpoint_ConfigureEndpoint(KEYBOARD_OUT_EPADDR, EP_TYPE_INTERRUPT, KEYBOARD_EPSIZE, 1);
- /* 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);
}
-/** 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)
}
/* Read in the LED report from the host */
- uint8_t LEDStatus = Endpoint_Read_Byte();
+ uint8_t LEDStatus = Endpoint_Read_8();
Endpoint_ClearOUT();
Endpoint_ClearStatusStage();
Endpoint_ClearSETUP();
/* Write the current protocol flag to the host */
- Endpoint_Write_Byte(UsingReportProtocol);
+ Endpoint_Write_8(UsingReportProtocol);
Endpoint_ClearIN();
Endpoint_ClearStatusStage();
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();
memset(ReportData, 0, sizeof(USB_KeyboardReport_Data_t));
/* Make sent key uppercase by indicating that the left shift key is pressed */
- ReportData->Modifier = HID_KEYBOARD_MODIFER_LEFTSHIFT;
+ ReportData->Modifier = HID_KEYBOARD_MODIFIER_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.
{
static USB_KeyboardReport_Data_t PrevKeyboardReportData;
USB_KeyboardReport_Data_t KeyboardReportData;
- bool SendReport = true;
+ bool SendReport = false;
/* 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 && (!(IdleMSRemaining)))
{
/* Idle period is set and has elapsed, must send a report to the host */
SendReport = true;
}
+ else
+ {
+ /* 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);
+ }
/* Select the Keyboard Report Endpoint */
- Endpoint_SelectEndpoint(KEYBOARD_IN_EPNUM);
+ Endpoint_SelectEndpoint(KEYBOARD_IN_EPADDR);
/* Check if Keyboard Endpoint Ready for Read/Write and if we should send a new report */
if (Endpoint_IsReadWriteAllowed() && SendReport)
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();
void ReceiveNextReport(void)
{
/* Select the Keyboard LED Report Endpoint */
- Endpoint_SelectEndpoint(KEYBOARD_OUT_EPNUM);
+ Endpoint_SelectEndpoint(KEYBOARD_OUT_EPADDR);
/* Check if Keyboard LED Endpoint contains a packet */
if (Endpoint_IsOUTReceived())
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);
projects / pub / USBasp.git / blobdiff