157 satır
5.3 KiB
C
157 satır
5.3 KiB
C
/*
|
|
LUFA Library
|
|
Copyright (C) Dean Camera, 2014.
|
|
|
|
dean [at] fourwalledcubicle [dot] com
|
|
www.lufa-lib.org
|
|
*/
|
|
|
|
/*
|
|
Copyright 2014 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"
|
|
|
|
/** 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
|
|
* \param[out] DescriptorMemorySpace Memory space that the descriptor is stored in
|
|
*
|
|
* \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 uint8_t wIndex,
|
|
const void** const DescriptorAddress,
|
|
uint8_t* DescriptorMemorySpace)
|
|
{
|
|
return AVRISP_GetDescriptor(wValue, wIndex, DescriptorAddress, DescriptorMemorySpace);
|
|
}
|
|
|