Ejemplo n.º 1
0
/** Master V2 Protocol packet handler, for received V2 Protocol packets from a connected host.
 *  This routine decodes the issued command and passes off the handling of the command to the
 *  appropriate function.
 */
void V2Protocol_ProcessCommand(void)
{
	uint8_t V2Command = Endpoint_Read_Byte();

	/* Start the timeout management timer */
	TimeoutTicksRemaining = COMMAND_TIMEOUT_TICKS;
	TCCR0B = ((1 << CS02) | (1 << CS00));

	switch (V2Command)
	{
		case CMD_SIGN_ON:
			V2Protocol_SignOn();
			break;
		case CMD_SET_PARAMETER:
		case CMD_GET_PARAMETER:
			V2Protocol_GetSetParam(V2Command);
			break;
		case CMD_LOAD_ADDRESS:
			V2Protocol_LoadAddress();
			break;
		case CMD_RESET_PROTECTION:
			V2Protocol_ResetProtection();
			break;
#if defined(ENABLE_ISP_PROTOCOL)
		case CMD_ENTER_PROGMODE_ISP:
			ISPProtocol_EnterISPMode();
			break;
		case CMD_LEAVE_PROGMODE_ISP:
			ISPProtocol_LeaveISPMode();
			break;
		case CMD_PROGRAM_FLASH_ISP:
		case CMD_PROGRAM_EEPROM_ISP:
			ISPProtocol_ProgramMemory(V2Command);
			break;
		case CMD_READ_FLASH_ISP:
		case CMD_READ_EEPROM_ISP:
			ISPProtocol_ReadMemory(V2Command);
			break;
		case CMD_CHIP_ERASE_ISP:
			ISPProtocol_ChipErase();
			break;
		case CMD_READ_FUSE_ISP:
		case CMD_READ_LOCK_ISP:
		case CMD_READ_SIGNATURE_ISP:
		case CMD_READ_OSCCAL_ISP:
			ISPProtocol_ReadFuseLockSigOSCCAL(V2Command);
			break;
		case CMD_PROGRAM_FUSE_ISP:
		case CMD_PROGRAM_LOCK_ISP:
			ISPProtocol_WriteFuseLock(V2Command);
			break;
		case CMD_SPI_MULTI:
			ISPProtocol_SPIMulti();
			break;
#endif
#if defined(ENABLE_XPROG_PROTOCOL)
		case CMD_XPROG_SETMODE:
			XPROGProtocol_SetMode();
			break;
		case CMD_XPROG:
			XPROGProtocol_Command();
			break;
#endif
		default:
			V2Protocol_UnknownCommand(V2Command);
			break;
	}

	/* Disable the timeout management timer */
	TCCR0B = 0;

	Endpoint_WaitUntilReady();
	Endpoint_SelectEndpoint(AVRISP_DATA_OUT_EPNUM);
	Endpoint_SetEndpointDirection(ENDPOINT_DIR_OUT);
}
Ejemplo n.º 2
0
/** Master V2 Protocol packet handler, for received V2 Protocol packets from a connected host.
 *  This routine decodes the issued command and passes off the handling of the command to the
 *  appropriate function.
 */
void V2Protocol_ProcessCommand(void)
{
	uint8_t V2Command = Endpoint_Read_8();

	/* Start the watchdog with timeout interrupt enabled to manage the timeout */
	TimeoutExpired = false;
	wdt_enable(WDTO_1S);
	WDTCSR |= (1 << WDIE);

	switch (V2Command)
	{
		case CMD_SIGN_ON:
			V2Protocol_SignOn();
			break;
		case CMD_SET_PARAMETER:
		case CMD_GET_PARAMETER:
			V2Protocol_GetSetParam(V2Command);
			break;
		case CMD_LOAD_ADDRESS:
			V2Protocol_LoadAddress();
			break;
		case CMD_RESET_PROTECTION:
			V2Protocol_ResetProtection();
			break;
#if defined(ENABLE_ISP_PROTOCOL)
		case CMD_ENTER_PROGMODE_ISP:
			ISPProtocol_EnterISPMode();
			break;
		case CMD_LEAVE_PROGMODE_ISP:
			ISPProtocol_LeaveISPMode();
			break;
		case CMD_PROGRAM_FLASH_ISP:
		case CMD_PROGRAM_EEPROM_ISP:
			ISPProtocol_ProgramMemory(V2Command);
			break;
		case CMD_READ_FLASH_ISP:
		case CMD_READ_EEPROM_ISP:
			ISPProtocol_ReadMemory(V2Command);
			break;
		case CMD_CHIP_ERASE_ISP:
			ISPProtocol_ChipErase();
			break;
		case CMD_READ_FUSE_ISP:
		case CMD_READ_LOCK_ISP:
		case CMD_READ_SIGNATURE_ISP:
		case CMD_READ_OSCCAL_ISP:
			ISPProtocol_ReadFuseLockSigOSCCAL(V2Command);
			break;
		case CMD_PROGRAM_FUSE_ISP:
		case CMD_PROGRAM_LOCK_ISP:
			ISPProtocol_WriteFuseLock(V2Command);
			break;
		case CMD_SPI_MULTI:
			ISPProtocol_SPIMulti();
			break;
#endif
#if defined(ENABLE_XPROG_PROTOCOL)
		case CMD_XPROG_SETMODE:
			XPROGProtocol_SetMode();
			break;
		case CMD_XPROG:
			XPROGProtocol_Command();
			break;
#endif
		default:
			V2Protocol_UnknownCommand(V2Command);
			break;
	}

	/* Disable the timeout management watchdog timer */
	wdt_disable();

	Endpoint_WaitUntilReady();
	Endpoint_SelectEndpoint(AVRISP_DATA_OUT_EPNUM);
	Endpoint_SetEndpointDirection(ENDPOINT_DIR_OUT);
}