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Diffstat (limited to 'lib/lufa/Projects/LEDNotifier/LEDNotifier.c')
| -rw-r--r-- | lib/lufa/Projects/LEDNotifier/LEDNotifier.c | 178 |
1 files changed, 0 insertions, 178 deletions
diff --git a/lib/lufa/Projects/LEDNotifier/LEDNotifier.c b/lib/lufa/Projects/LEDNotifier/LEDNotifier.c deleted file mode 100644 index f399e1164f..0000000000 --- a/lib/lufa/Projects/LEDNotifier/LEDNotifier.c +++ /dev/null @@ -1,178 +0,0 @@ -/* - LUFA Library - Copyright (C) Dean Camera, 2017. - - dean [at] fourwalledcubicle [dot] com - www.lufa-lib.org -*/ - -/* - Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [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 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 - 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 LEDNotfier project. This file contains the main tasks of - * the project and is responsible for the initial application hardware configuration. - */ - -#include "LEDNotifier.h" - -/** LUFA CDC Class driver interface configuration and state information. This structure is - * passed to all CDC Class driver functions, so that multiple instances of the same class - * within a device can be differentiated from one another. - */ -USB_ClassInfo_CDC_Device_t VirtualSerial_CDC_Interface = - { - .Config = - { - .ControlInterfaceNumber = INTERFACE_ID_CDC_CCI, - .DataINEndpoint = - { - .Address = CDC_TX_EPADDR, - .Size = CDC_TXRX_EPSIZE, - .Banks = 1, - }, - .DataOUTEndpoint = - { - .Address = CDC_RX_EPADDR, - .Size = CDC_TXRX_EPSIZE, - .Banks = 1, - }, - .NotificationEndpoint = - { - .Address = CDC_NOTIFICATION_EPADDR, - .Size = CDC_NOTIFICATION_EPSIZE, - .Banks = 1, - }, - }, - }; - -/** Counter for the software PWM. */ -static volatile uint8_t SoftPWM_Count; - -/** Duty cycle for the first software PWM channel. */ -static volatile uint8_t SoftPWM_Channel1_Duty; - -/** Duty cycle for the second software PWM channel. */ -static volatile uint8_t SoftPWM_Channel2_Duty; - -/** Duty cycle for the third software PWM channel. */ -static volatile uint8_t SoftPWM_Channel3_Duty; - -/** Standard file stream for the CDC interface when set up, so that the virtual CDC COM port can be - * used like any regular character stream in the C APIs. - */ -static FILE USBSerialStream; - - -/** Interrupt handler for managing the software PWM channels for the LEDs */ -ISR(TIMER0_COMPA_vect, ISR_BLOCK) -{ - uint8_t LEDMask = LEDS_ALL_LEDS; - - if (++SoftPWM_Count == 0b00011111) - SoftPWM_Count = 0; - - if (SoftPWM_Count >= SoftPWM_Channel1_Duty) - LEDMask &= ~LEDS_LED1; - - if (SoftPWM_Count >= SoftPWM_Channel2_Duty) - LEDMask &= ~LEDS_LED2; - - if (SoftPWM_Count >= SoftPWM_Channel3_Duty) - LEDMask &= ~LEDS_LED3; - - LEDs_SetAllLEDs(LEDMask); -} - -/** 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(); - - /* Create a regular blocking character stream for the interface so that it can be used with the stdio.h functions */ - CDC_Device_CreateBlockingStream(&VirtualSerial_CDC_Interface, &USBSerialStream); - - GlobalInterruptEnable(); - - for (;;) - { - /* Read in next LED colour command from the host */ - uint8_t ColourUpdate = fgetc(&USBSerialStream); - - /* Top 3 bits select the LED, bottom 5 control the brightness */ - uint8_t Channel = (ColourUpdate & 0b11100000); - uint8_t Duty = (ColourUpdate & 0b00011111); - - if (Channel & (1 << 5)) - SoftPWM_Channel1_Duty = Duty; - - if (Channel & (1 << 6)) - SoftPWM_Channel2_Duty = Duty; - - if (Channel & (1 << 7)) - SoftPWM_Channel3_Duty = Duty; - - fputc(&USBSerialStream, ColourUpdate); - - CDC_Device_USBTask(&VirtualSerial_CDC_Interface); - USB_USBTask(); - } -} - -/** 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); -#endif - - /* Hardware Initialization */ - LEDs_Init(); - USB_Init(); - - /* Timer Initialization */ - OCR0A = 100; - TCCR0A = (1 << WGM01); - TCCR0B = (1 << CS00); - TIMSK0 = (1 << OCIE0A); -} - -/** Event handler for the library USB Configuration Changed event. */ -void EVENT_USB_Device_ConfigurationChanged(void) -{ - CDC_Device_ConfigureEndpoints(&VirtualSerial_CDC_Interface); -} - -/** Event handler for the library USB Control Request reception event. */ -void EVENT_USB_Device_ControlRequest(void) -{ - CDC_Device_ProcessControlRequest(&VirtualSerial_CDC_Interface); -} - |