-/*\r
- LUFA Library\r
- Copyright (C) Dean Camera, 2010.\r
- \r
- dean [at] fourwalledcubicle [dot] com\r
- www.fourwalledcubicle.com\r
-*/\r
-\r
-/*\r
- Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
-\r
- Permission to use, copy, modify, distribute, and sell this \r
- software and its documentation for any purpose is hereby granted\r
- without fee, provided that the above copyright notice appear in \r
- all 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 LEDNotfier project. This file contains the main tasks of\r
- * the demo and is responsible for the initial application hardware configuration.\r
- */\r
- \r
-#include "LEDNotifier.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 == 0b00011111)\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 5 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
-\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
+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2013.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+
+/*
+ Copyright 2013 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;
+
+ 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);
+}
+
projects / pub / USBasp.git / blobdiff