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Diffstat (limited to 'lib/lufa/Projects/AVRISP-MKII/AVRISP-MKII.c')
| -rw-r--r-- | lib/lufa/Projects/AVRISP-MKII/AVRISP-MKII.c | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/lib/lufa/Projects/AVRISP-MKII/AVRISP-MKII.c b/lib/lufa/Projects/AVRISP-MKII/AVRISP-MKII.c new file mode 100644 index 0000000000..a734d960ba --- /dev/null +++ b/lib/lufa/Projects/AVRISP-MKII/AVRISP-MKII.c @@ -0,0 +1,164 @@ +/* + 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 AVRISP project. This file contains the main tasks of + * the project and is responsible for the initial application hardware configuration. + */ + +#include "AVRISP-MKII.h" + +#if (BOARD != BOARD_NONE) + /* Some board hardware definitions (e.g. the Arduino Micro) have their LEDs defined on the same pins + as the ISP, PDI or TPI interfaces (see the accompanying project documentation). If a board other + than NONE is selected (to enable the LED driver with the programmer) you should double-check that + no conflicts will occur. If there is a conflict, turn off the LEDs (set BOARD to NONE in the makefile) + or define a custom board driver (see the LUFA manual) with alternative LED mappings. + */ + #warning Board specific drivers have been selected; make sure the board LED driver does not conflict with the programmer ISP/PDI/TPI interfaces. +#endif + +/** 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(); + V2Protocol_Init(); + + LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY); + GlobalInterruptEnable(); + + for (;;) + { + #if (BOARD == BOARD_USBTINYMKII) + /* On the USBTINY-MKII target, there is a secondary LED which indicates the current selected power + mode - either VBUS, or sourced from the VTARGET pin of the programming connectors */ + LEDs_ChangeLEDs(LEDMASK_VBUSPOWER, (PIND & (1 << 0)) ? 0 : LEDMASK_VBUSPOWER); + #endif + + AVRISP_Task(); + 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(); + #if defined(RESET_TOGGLES_LIBUSB_COMPAT) + UpdateCurrentCompatibilityMode(); + #endif + + /* USB Stack Initialization */ + USB_Init(); +} + +/** 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; + + /* Setup AVRISP Data OUT endpoint */ + ConfigSuccess &= Endpoint_ConfigureEndpoint(AVRISP_DATA_OUT_EPADDR, EP_TYPE_BULK, AVRISP_DATA_EPSIZE, 1); + + /* Setup AVRISP Data IN endpoint if it is using a physically different endpoint */ + if ((AVRISP_DATA_IN_EPADDR & ENDPOINT_EPNUM_MASK) != (AVRISP_DATA_OUT_EPADDR & ENDPOINT_EPNUM_MASK)) + ConfigSuccess &= Endpoint_ConfigureEndpoint(AVRISP_DATA_IN_EPADDR, EP_TYPE_BULK, AVRISP_DATA_EPSIZE, 1); + + /* Indicate endpoint configuration success or failure */ + LEDs_SetAllLEDs(ConfigSuccess ? LEDMASK_USB_READY : LEDMASK_USB_ERROR); +} + +/** Processes incoming V2 Protocol commands from the host, returning a response when required. */ +void AVRISP_Task(void) +{ + /* Device must be connected and configured for the task to run */ + if (USB_DeviceState != DEVICE_STATE_Configured) + return; + + V2Params_UpdateParamValues(); + + Endpoint_SelectEndpoint(AVRISP_DATA_OUT_EPADDR); + + /* Check to see if a V2 Protocol command has been received */ + if (Endpoint_IsOUTReceived()) + { + LEDs_SetAllLEDs(LEDMASK_BUSY); + + /* Pass off processing of the V2 Protocol command to the V2 Protocol handler */ + V2Protocol_ProcessCommand(); + + LEDs_SetAllLEDs(LEDMASK_USB_READY); + } +} + +/** This function is called by the library when in device mode, and must be overridden (see library "USB Descriptors" + * documentation) by the application code so that the address and size of a requested descriptor can be given + * to the USB library. When the device receives a Get Descriptor request on the control endpoint, this function + * is called so that the descriptor details can be passed back and the appropriate descriptor sent back to the + * USB host. + * + * \param[in] wValue Descriptor type and index to retrieve + * \param[in] wIndex Sub-index to retrieve (such as a localized string language) + * \param[out] DescriptorAddress Address of the retrieved descriptor + * + * \return Length of the retrieved descriptor in bytes, or NO_DESCRIPTOR if the descriptor was not found + */ +uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue, + const uint16_t wIndex, + const void** const DescriptorAddress) +{ + return AVRISP_GetDescriptor(wValue, wIndex, DescriptorAddress); +} + |