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146 lines
3.8 KiB
146 lines
3.8 KiB
/*
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LUFA Library
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Copyright (C) Dean Camera, 2017.
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dean [at] fourwalledcubicle [dot] com
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www.lufa-lib.org
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*/
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/*
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Copyright 2010 OBinou (obconseil [at] gmail [dot] com)
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Copyright 2017 Dean Camera (dean [at] fourwalledcubicle [dot] com)
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Permission to use, copy, modify, distribute, and sell this
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software and its documentation for any purpose is hereby granted
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without fee, provided that the above copyright notice appear in
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all copies and that both that the copyright notice and this
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permission notice and warranty disclaimer appear in supporting
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documentation, and that the name of the author not be used in
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advertising or publicity pertaining to distribution of the
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software without specific, written prior permission.
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The author disclaims all warranties with regard to this
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software, including all implied warranties of merchantability
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and fitness. In no event shall the author be liable for any
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special, indirect or consequential damages or any damages
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whatsoever resulting from loss of use, data or profits, whether
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in an action of contract, negligence or other tortious action,
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arising out of or in connection with the use or performance of
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this software.
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*/
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/** \file
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*
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* Main source file for the RelayBoard program. This file contains the main tasks of
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* the project and is responsible for the initial application hardware configuration.
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*/
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#include "RelayBoard.h"
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/** Main program entry point. This routine contains the overall program flow, including initial
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* setup of all components and the main program loop.
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*/
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int main(void)
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{
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SetupHardware();
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GlobalInterruptEnable();
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for (;;)
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USB_USBTask();
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}
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/** Configures the board hardware and chip peripherals for the project's functionality. */
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void SetupHardware(void)
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{
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#if (ARCH == ARCH_AVR8)
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/* Disable watchdog if enabled by bootloader/fuses */
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MCUSR &= ~(1 << WDRF);
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wdt_disable();
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/* Disable clock division */
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clock_prescale_set(clock_div_1);
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#endif
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/* Hardware Initialization */
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USB_Init();
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/* Initialize Relays */
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DDRC |= ALL_RELAYS;
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PORTC &= ~ALL_RELAYS;
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}
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/** Event handler for the library USB Control Request reception event. */
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void EVENT_USB_Device_ControlRequest(void)
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{
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const uint8_t SerialNumber[5] = { 0, 0, 0, 0, 1 };
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uint8_t ControlData[2] = { 0, 0 };
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switch (USB_ControlRequest.bRequest)
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{
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case 0x09:
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if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
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{
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LEDs_ToggleLEDs(LEDS_LED1);
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Endpoint_ClearSETUP();
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Endpoint_Read_Control_Stream_LE(ControlData, sizeof(ControlData));
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Endpoint_ClearIN();
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switch (USB_ControlRequest.wValue)
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{
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case 0x303:
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if (ControlData[1]) PORTC &= ~RELAY1; else PORTC |= RELAY1;
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break;
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case 0x306:
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if (ControlData[1]) PORTC &= ~RELAY2; else PORTC |= RELAY2;
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break;
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case 0x309:
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if (ControlData[1]) PORTC &= ~RELAY3; else PORTC |= RELAY3;
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break;
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case 0x30c:
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if (ControlData[1]) PORTC &= ~RELAY4; else PORTC |= RELAY4;
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break;
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}
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}
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break;
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case 0x01:
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if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
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{
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LEDs_ToggleLEDs(LEDS_LED1);
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Endpoint_ClearSETUP();
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switch (USB_ControlRequest.wValue)
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{
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case 0x301:
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Endpoint_Write_Control_Stream_LE(SerialNumber, sizeof(SerialNumber));
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break;
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case 0x303:
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ControlData[1] = (PORTC & RELAY1) ? 2 : 3;
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break;
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case 0x306:
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ControlData[1] = (PORTC & RELAY2) ? 2 : 3;
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break;
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case 0x309:
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ControlData[1] = (PORTC & RELAY3) ? 2 : 3;
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break;
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case 0x30c:
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ControlData[1] = (PORTC & RELAY4) ? 2 : 3;
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break;
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}
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if (ControlData[1])
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Endpoint_Write_Control_Stream_LE(ControlData, sizeof(ControlData));
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Endpoint_ClearOUT();
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}
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break;
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}
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}
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