X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/98947e3750e07054f9da46af82225e9ef89ed656..3c1b28cf5ff16fede61f2abf37d5616f3e661036:/Projects/LEDNotifier/LEDNotifier.c?ds=sidebyside diff --git a/Projects/LEDNotifier/LEDNotifier.c b/Projects/LEDNotifier/LEDNotifier.c index d1f4451e7..dd3a8ae3a 100644 --- a/Projects/LEDNotifier/LEDNotifier.c +++ b/Projects/LEDNotifier/LEDNotifier.c @@ -1,21 +1,21 @@ /* LUFA Library - Copyright (C) Dean Camera, 2010. - + Copyright (C) Dean Camera, 2012. + dean [at] fourwalledcubicle [dot] com - www.fourwalledcubicle.com + www.lufa-lib.org */ /* - Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com) + Copyright 2012 Dean Camera (dean [at] fourwalledcubicle [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 @@ -31,9 +31,9 @@ /** \file * * Main source file for the LEDNotfier project. This file contains the main tasks of - * the demo and is responsible for the initial application hardware configuration. + * 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 @@ -44,19 +44,25 @@ USB_ClassInfo_CDC_Device_t VirtualSerial_CDC_Interface = { .Config = { - .ControlInterfaceNumber = 0, - - .DataINEndpointNumber = CDC_TX_EPNUM, - .DataINEndpointSize = CDC_TXRX_EPSIZE, - .DataINEndpointDoubleBank = false, - - .DataOUTEndpointNumber = CDC_RX_EPNUM, - .DataOUTEndpointSize = CDC_TXRX_EPSIZE, - .DataOUTEndpointDoubleBank = false, - - .NotificationEndpointNumber = CDC_NOTIFICATION_EPNUM, - .NotificationEndpointSize = CDC_NOTIFICATION_EPSIZE, - .NotificationEndpointDoubleBank = false, + .ControlInterfaceNumber = 0, + .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, + }, }, }; @@ -72,6 +78,11 @@ 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) @@ -89,39 +100,34 @@ ISR(TIMER0_COMPA_vect, ISR_BLOCK) if (SoftPWM_Count >= SoftPWM_Channel3_Duty) LEDMask &= ~LEDS_LED3; - + LEDs_SetAllLEDs(LEDMask); } -/** 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; - /** 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); - + sei(); 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; @@ -146,7 +152,7 @@ void SetupHardware(void) /* Hardware Initialization */ LEDs_Init(); USB_Init(); - + /* Timer Initialization */ OCR0A = 100; TCCR0A = (1 << WGM01); @@ -160,8 +166,9 @@ void EVENT_USB_Device_ConfigurationChanged(void) CDC_Device_ConfigureEndpoints(&VirtualSerial_CDC_Interface); } -/** Event handler for the library USB Unhandled Control Request event. */ -void EVENT_USB_Device_UnhandledControlRequest(void) +/** Event handler for the library USB Control Request reception event. */ +void EVENT_USB_Device_ControlRequest(void) { CDC_Device_ProcessControlRequest(&VirtualSerial_CDC_Interface); } +