From b9b03aadb219d06fbad9d110e508db93e45461af Mon Sep 17 00:00:00 2001 From: Dean Camera Date: Fri, 5 Jun 2009 07:16:33 +0000 Subject: Move new Class Driver powered demos to a new ClassDriver subdirectory, re-add old low level demos to a LowLevel subdirectory. --- Demos/Device/ClassDriver/Keyboard/Keyboard.c | 184 +++++++++++++++++++++++++++ 1 file changed, 184 insertions(+) create mode 100644 Demos/Device/ClassDriver/Keyboard/Keyboard.c (limited to 'Demos/Device/ClassDriver/Keyboard/Keyboard.c') diff --git a/Demos/Device/ClassDriver/Keyboard/Keyboard.c b/Demos/Device/ClassDriver/Keyboard/Keyboard.c new file mode 100644 index 000000000..bebad12e0 --- /dev/null +++ b/Demos/Device/ClassDriver/Keyboard/Keyboard.c @@ -0,0 +1,184 @@ +/* + LUFA Library + Copyright (C) Dean Camera, 2009. + + dean [at] fourwalledcubicle [dot] com + www.fourwalledcubicle.com +*/ + +/* + Copyright 2009 Denver Gingerich (denver [at] ossguy [dot] com) + Based on code by Dean Camera (dean [at] fourwalledcubicle [dot] com) + + Permission to use, copy, modify, and distribute this software + and its documentation for any purpose and without fee is hereby + granted, 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. +*/ + +/** \file + * + * 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" + +/** LUFA HID Class driver interface configuration and state information. This structure is + * passed to all HID Class driver functions, so that multiple instances of the same class + * within a device can be differentiated from one another. + */ +USB_ClassInfo_HID_t Keyboard_HID_Interface = + { + .InterfaceNumber = 0, + + .ReportINEndpointNumber = KEYBOARD_EPNUM, + .ReportINEndpointSize = KEYBOARD_EPSIZE, + + .ReportINBufferSize = sizeof(USB_KeyboardReport_Data_t), + + .IdleCount = 500, + }; + +/** Main program entry point. This routine contains the overall program flow, including initial + * setup of all components and the main program loop. + */ +int main(void) +{ + SetupHardware(); + + LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY); + + for (;;) + { + USB_HID_USBTask(&Keyboard_HID_Interface); + USB_USBTask(); + } +} + +/** Configures the board hardware and chip peripherals for the demo's functionality. */ +void SetupHardware() +{ + /* Disable watchdog if enabled by bootloader/fuses */ + MCUSR &= ~(1 << WDRF); + wdt_disable(); + + /* Disable clock division */ + clock_prescale_set(clock_div_1); + + /* Hardware Initialization */ + Joystick_Init(); + LEDs_Init(); + Buttons_Init(); + USB_Init(); + + /* Millisecond timer initialization, with output compare interrupt enabled for the idle timing */ + OCR0A = ((F_CPU / 64) / 1000); + TCCR0A = (1 << WGM01); + TCCR0B = ((1 << CS01) | (1 << CS00)); + TIMSK0 = (1 << OCIE0A); +} + +/** Event handler for the library USB Connection event. */ +void EVENT_USB_Connect(void) +{ + LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING); +} + +/** Event handler for the library USB Disconnection event. */ +void EVENT_USB_Disconnect(void) +{ + LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY); +} + +/** Event handler for the library USB Configuration Changed event. */ +void EVENT_USB_ConfigurationChanged(void) +{ + LEDs_SetAllLEDs(LEDMASK_USB_READY); + + if (!(USB_HID_ConfigureEndpoints(&Keyboard_HID_Interface))) + LEDs_SetAllLEDs(LEDMASK_USB_ERROR); +} + +/** Event handler for the library USB Unhandled Control Packet event. */ +void EVENT_USB_UnhandledControlPacket(void) +{ + USB_HID_ProcessControlPacket(&Keyboard_HID_Interface); +} + +/** ISR to keep track of each millisecond interrupt, for determining the HID class idle period remaining when set. */ +ISR(TIMER0_COMPA_vect, ISR_BLOCK) +{ + if (Keyboard_HID_Interface.IdleMSRemaining) + Keyboard_HID_Interface.IdleMSRemaining--; +} + +/** HID class driver callback function for the creation of HID reports to the host. + * + * \param HIDInterfaceInfo Pointer to the HID class interface configuration structure being referenced + * \param ReportData Pointer to a buffer where the created report should be stored + * + * \return Number of bytes written in the report (or zero if no report is to be sent + */ +uint16_t CALLBACK_USB_HID_CreateNextHIDReport(USB_ClassInfo_HID_t* HIDInterfaceInfo, uint8_t* ReportID, void* ReportData) +{ + USB_KeyboardReport_Data_t* KeyboardReport = (USB_KeyboardReport_Data_t*)ReportData; + + uint8_t JoyStatus_LCL = Joystick_GetStatus(); + uint8_t ButtonStatus_LCL = Buttons_GetStatus(); + + if (JoyStatus_LCL & JOY_UP) + KeyboardReport->KeyCode[0] = 0x04; // A + else if (JoyStatus_LCL & JOY_DOWN) + KeyboardReport->KeyCode[0] = 0x05; // B + + if (JoyStatus_LCL & JOY_LEFT) + KeyboardReport->KeyCode[0] = 0x06; // C + else if (JoyStatus_LCL & JOY_RIGHT) + KeyboardReport->KeyCode[0] = 0x07; // D + + if (JoyStatus_LCL & JOY_PRESS) + KeyboardReport->KeyCode[0] = 0x08; // E + + if (ButtonStatus_LCL & BUTTONS_BUTTON1) + KeyboardReport->KeyCode[0] = 0x09; // F + + return sizeof(USB_KeyboardReport_Data_t); +} + +/** HID class driver callback function for the processing of HID reports from the host. + * + * \param HIDInterfaceInfo Pointer to the HID class interface configuration structure being referenced + * \param ReportData Pointer to a buffer where the created report has been stored + * \param ReportSize Size in bytes of the received HID report + */ +void CALLBACK_USB_HID_ProcessReceivedHIDReport(USB_ClassInfo_HID_t* HIDInterfaceInfo, uint8_t ReportID, + void* ReportData, uint16_t ReportSize) +{ + uint8_t LEDMask = LEDS_NO_LEDS; + uint8_t* LEDReport = (uint8_t*)ReportData; + + if (*LEDReport & 0x01) // NUM Lock + LEDMask |= LEDS_LED1; + + if (*LEDReport & 0x02) // CAPS Lock + LEDMask |= LEDS_LED3; + + if (*LEDReport & 0x04) // SCROLL Lock + LEDMask |= LEDS_LED4; + + LEDs_SetAllLEDs(LEDMask); +} -- cgit v1.2.3