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Diffstat (limited to 'lib/lufa/Demos/Device/ClassDriver/VirtualSerial/VirtualSerial.c')
| -rw-r--r-- | lib/lufa/Demos/Device/ClassDriver/VirtualSerial/VirtualSerial.c | 204 |
1 files changed, 0 insertions, 204 deletions
diff --git a/lib/lufa/Demos/Device/ClassDriver/VirtualSerial/VirtualSerial.c b/lib/lufa/Demos/Device/ClassDriver/VirtualSerial/VirtualSerial.c deleted file mode 100644 index 3a943e8c1..000000000 --- a/lib/lufa/Demos/Device/ClassDriver/VirtualSerial/VirtualSerial.c +++ /dev/null @@ -1,204 +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 VirtualSerial demo. This file contains the main tasks of - * the demo and is responsible for the initial application hardware configuration. - */ - -#include "VirtualSerial.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, - }, - }, - }; - -/** 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 character stream for the interface so that it can be used with the stdio.h functions */ - CDC_Device_CreateStream(&VirtualSerial_CDC_Interface, &USBSerialStream); - - LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY); - GlobalInterruptEnable(); - - for (;;) - { - CheckJoystickMovement(); - - /* Must throw away unused bytes from the host, or it will lock up while waiting for the device */ - CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface); - - 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); -#elif (ARCH == ARCH_XMEGA) - /* Start the PLL to multiply the 2MHz RC oscillator to 32MHz and switch the CPU core to run from it */ - XMEGACLK_StartPLL(CLOCK_SRC_INT_RC2MHZ, 2000000, F_CPU); - XMEGACLK_SetCPUClockSource(CLOCK_SRC_PLL); - - /* Start the 32MHz internal RC oscillator and start the DFLL to increase it to 48MHz using the USB SOF as a reference */ - XMEGACLK_StartInternalOscillator(CLOCK_SRC_INT_RC32MHZ); - XMEGACLK_StartDFLL(CLOCK_SRC_INT_RC32MHZ, DFLL_REF_INT_USBSOF, F_USB); - - PMIC.CTRL = PMIC_LOLVLEN_bm | PMIC_MEDLVLEN_bm | PMIC_HILVLEN_bm; -#endif - - /* Hardware Initialization */ - Joystick_Init(); - LEDs_Init(); - USB_Init(); -} - -/** Checks for changes in the position of the board joystick, sending strings to the host upon each change. */ -void CheckJoystickMovement(void) -{ - uint8_t JoyStatus_LCL = Joystick_GetStatus(); - char* ReportString = NULL; - static bool ActionSent = false; - - if (JoyStatus_LCL & JOY_UP) - ReportString = "Joystick Up\r\n"; - else if (JoyStatus_LCL & JOY_DOWN) - ReportString = "Joystick Down\r\n"; - else if (JoyStatus_LCL & JOY_LEFT) - ReportString = "Joystick Left\r\n"; - else if (JoyStatus_LCL & JOY_RIGHT) - ReportString = "Joystick Right\r\n"; - else if (JoyStatus_LCL & JOY_PRESS) - ReportString = "Joystick Pressed\r\n"; - else - ActionSent = false; - - if ((ReportString != NULL) && (ActionSent == false)) - { - ActionSent = true; - - /* Write the string to the virtual COM port via the created character stream */ - fputs(ReportString, &USBSerialStream); - - /* Alternatively, without the stream: */ - // CDC_Device_SendString(&VirtualSerial_CDC_Interface, ReportString); - } -} - -/** Event handler for the library USB Connection event. */ -void EVENT_USB_Device_Connect(void) -{ - LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING); -} - -/** Event handler for the library USB Disconnection event. */ -void EVENT_USB_Device_Disconnect(void) -{ - LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY); -} - -/** Event handler for the library USB Configuration Changed event. */ -void EVENT_USB_Device_ConfigurationChanged(void) -{ - bool ConfigSuccess = true; - - ConfigSuccess &= CDC_Device_ConfigureEndpoints(&VirtualSerial_CDC_Interface); - - LEDs_SetAllLEDs(ConfigSuccess ? LEDMASK_USB_READY : LEDMASK_USB_ERROR); -} - -/** Event handler for the library USB Control Request reception event. */ -void EVENT_USB_Device_ControlRequest(void) -{ - CDC_Device_ProcessControlRequest(&VirtualSerial_CDC_Interface); -} - -/** CDC class driver callback function the processing of changes to the virtual - * control lines sent from the host.. - * - * \param[in] CDCInterfaceInfo Pointer to the CDC class interface configuration structure being referenced - */ -void EVENT_CDC_Device_ControLineStateChanged(USB_ClassInfo_CDC_Device_t *const CDCInterfaceInfo) -{ - /* You can get changes to the virtual CDC lines in this callback; a common - use-case is to use the Data Terminal Ready (DTR) flag to enable and - disable CDC communications in your application when set to avoid the - application blocking while waiting for a host to become ready and read - in the pending data from the USB endpoints. - */ - bool HostReady = (CDCInterfaceInfo->State.ControlLineStates.HostToDevice & CDC_CONTROL_LINE_OUT_DTR) != 0; - - (void)HostReady; -} |