+/*\r
+ LUFA Library\r
+ Copyright (C) Dean Camera, 2009.\r
+ \r
+ dean [at] fourwalledcubicle [dot] com\r
+ www.fourwalledcubicle.com\r
+*/\r
+\r
+/*\r
+ Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
+\r
+ Permission to use, copy, modify, and distribute this software\r
+ and its documentation for any purpose and without fee is hereby\r
+ granted, provided that the above copyright notice appear in all\r
+ copies and that both that the copyright notice and this\r
+ permission notice and warranty disclaimer appear in supporting\r
+ documentation, and that the name of the author not be used in\r
+ advertising or publicity pertaining to distribution of the\r
+ software without specific, written prior permission.\r
+\r
+ The author disclaim all warranties with regard to this\r
+ software, including all implied warranties of merchantability\r
+ and fitness. In no event shall the author be liable for any\r
+ special, indirect or consequential damages or any damages\r
+ whatsoever resulting from loss of use, data or profits, whether\r
+ in an action of contract, negligence or other tortious action,\r
+ arising out of or in connection with the use or performance of\r
+ this software.\r
+*/\r
+\r
+/** \file\r
+ *\r
+ * Main source file for the HotmailNotfier project. This file contains the main tasks of\r
+ * the demo and is responsible for the initial application hardware configuration.\r
+ */\r
+ \r
+#include "HotmailNotifier.h"\r
+\r
+/** LUFA CDC Class driver interface configuration and state information. This structure is\r
+ * passed to all CDC Class driver functions, so that multiple instances of the same class\r
+ * within a device can be differentiated from one another.\r
+ */\r
+USB_ClassInfo_CDC_Device_t VirtualSerial_CDC_Interface =\r
+ {\r
+ .Config =\r
+ {\r
+ .ControlInterfaceNumber = 0,\r
+\r
+ .DataINEndpointNumber = CDC_TX_EPNUM,\r
+ .DataINEndpointSize = CDC_TXRX_EPSIZE,\r
+ .DataINEndpointDoubleBank = false,\r
+\r
+ .DataOUTEndpointNumber = CDC_RX_EPNUM,\r
+ .DataOUTEndpointSize = CDC_TXRX_EPSIZE,\r
+ .DataOUTEndpointDoubleBank = false,\r
+\r
+ .NotificationEndpointNumber = CDC_NOTIFICATION_EPNUM,\r
+ .NotificationEndpointSize = CDC_NOTIFICATION_EPSIZE,\r
+ .NotificationEndpointDoubleBank = false,\r
+ },\r
+ };\r
+\r
+/** Counter for the software PWM */\r
+static volatile uint8_t SoftPWM_Count;\r
+\r
+/** Duty cycle for the first software PWM channel */\r
+static volatile uint8_t SoftPWM_Channel1_Duty;\r
+\r
+/** Duty cycle for the second software PWM channel */\r
+static volatile uint8_t SoftPWM_Channel2_Duty;\r
+\r
+/** Duty cycle for the third software PWM channel */\r
+static volatile uint8_t SoftPWM_Channel3_Duty;\r
+\r
+\r
+/** Interrupt handler for managing the software PWM channels for the LEDs */\r
+ISR(TIMER0_COMPA_vect, ISR_BLOCK)\r
+{\r
+ uint8_t LEDMask = LEDS_ALL_LEDS;\r
+\r
+ if (++SoftPWM_Count == 0x1F)\r
+ SoftPWM_Count = 0;\r
+\r
+ if (SoftPWM_Count >= SoftPWM_Channel1_Duty)\r
+ LEDMask &= ~LEDS_LED1;\r
+\r
+ if (SoftPWM_Count >= SoftPWM_Channel2_Duty)\r
+ LEDMask &= ~LEDS_LED2;\r
+\r
+ if (SoftPWM_Count >= SoftPWM_Channel3_Duty)\r
+ LEDMask &= ~LEDS_LED3;\r
+ \r
+ LEDs_SetAllLEDs(LEDMask);\r
+}\r
+\r
+/** Standard file stream for the CDC interface when set up, so that the virtual CDC COM port can be\r
+ * used like any regular character stream in the C APIs\r
+ */\r
+static FILE USBSerialStream;\r
+\r
+/** Main program entry point. This routine contains the overall program flow, including initial\r
+ * setup of all components and the main program loop.\r
+ */\r
+int main(void)\r
+{\r
+ SetupHardware();\r
+ \r
+ /* Create a regular blocking character stream for the interface so that it can be used with the stdio.h functions */\r
+ CDC_Device_CreateBlockingStream(&VirtualSerial_CDC_Interface, &USBSerialStream);\r
+\r
+ for (;;)\r
+ {\r
+ /* Read in next LED colour command from the host */\r
+ uint8_t ColorUpdate = fgetc(&USBSerialStream);\r
+ \r
+ /* Top 3 bits select the LED, bottom three control the brightness */\r
+ uint8_t Channel = (ColorUpdate & 0b11100000);\r
+ uint8_t Duty = (ColorUpdate & 0b00011111);\r
+ \r
+ if (Channel & (1 << 5))\r
+ SoftPWM_Channel1_Duty = Duty;\r
+ \r
+ if (Channel & (1 << 6))\r
+ SoftPWM_Channel2_Duty = Duty;\r
+
+ if (Channel & (1 << 7))\r
+ SoftPWM_Channel3_Duty = Duty;\r
+\r
+ CDC_Device_USBTask(&VirtualSerial_CDC_Interface);\r
+ USB_USBTask();\r
+ }\r
+}\r
+\r
+/** Configures the board hardware and chip peripherals for the demo's functionality. */\r
+void SetupHardware(void)\r
+{\r
+ /* Disable watchdog if enabled by bootloader/fuses */\r
+ MCUSR &= ~(1 << WDRF);\r
+ wdt_disable();\r
+\r
+ /* Disable clock division */\r
+ clock_prescale_set(clock_div_1);\r
+\r
+ /* Hardware Initialization */\r
+ LEDs_Init();\r
+ USB_Init();\r
+ \r
+ /* Timer Initialization */\r
+ OCR0A = 100;\r
+ TCCR0A = (1 << WGM01);\r
+ TCCR0B = (1 << CS00);\r
+ TIMSK0 = (1 << OCIE0A);\r
+}\r
+\r
+/** Event handler for the library USB Configuration Changed event. */\r
+void EVENT_USB_Device_ConfigurationChanged(void)\r
+{\r
+ CDC_Device_ConfigureEndpoints(&VirtualSerial_CDC_Interface);\r
+}\r
+\r
+/** Event handler for the library USB Unhandled Control Request event. */\r
+void EVENT_USB_Device_UnhandledControlRequest(void)\r
+{\r
+ CDC_Device_ProcessControlRequest(&VirtualSerial_CDC_Interface);\r
+}\r
projects / pub / lufa.git / blobdiff