#create an empty file for passlogfile
touch /tmp/h264..log

#1 and 2nd passes
nice -n 0 mencoder  -nosound -ovc x264 -x264encopts pass=1:bitrate=2000:ref=3:mixed-refs=1:bframes=3:b-pyramid=1:b-rdo=1:bime=1:weightb=1:subme=6:trellis=1:analyse=all:8x8dct=1 -passlogfile /tmp/h264..log -o /dev/null

nice -n 0 mencoder  -oac faac -faacopts br=64:object=2 -ovc x264 -x264encopts pass=2:bitrate=2000:ref=3:mixed-refs=1:bframes=3:b-pyramid=1:b-rdo=1:bime=1:weightb=1:subme=6:trellis=1:analyse=all:8x8dct=1 -passlogfile /tmp/h264..log -o .avi

#put in MP4
MP4Box -aviraw video .avi
MP4Box -aviraw audio .avi
mv _audio.raw _audio.aac
rm 
MP4Box -add _video.h264 
MP4Box -add _audio.aac 
rm _audio.aac _video.h264 .avi

root@cas-desktop:/usr/local/lib/pd/extra/playlist# make
./tk2c.bash < playlist.tk > playlist.tk2c
gcc -DPD -DUNIX -O2 -funroll-loops -fomit-frame-pointer -Wall -W -Wno-shadow -Wstrict-prototypes -Wno-unused -Wno-parentheses -Wno-switch -Werror -g -I../../src -o playlist.o -c playlist.c
playlist.c:41:19: error: m_imp.h: Ficheiro ou directoria inexistente
playlist.c:42:22: error: g_canvas.h: Ficheiro ou directoria inexistente
playlist.c:43:18: error: t_tk.h: Ficheiro ou directoria inexistente

root@cas-desktop:/usr/local/lib/pd/extra/playlist# make
./tk2c.bash < playlist.tk > playlist.tk2c
gcc -DPD -DUNIX -O2 -funroll-loops -fomit-frame-pointer -Wall -W -Wno-shadow -Wstrict-prototypes -Wno-unused -Wno-parentheses -Wno-switch -Werror -g -I/media/data/06_software/puredata/pure-data/pd/src -o playlist.o -c playlist.c
ld -export_dynamic  -shared -o playlist.pd_linux playlist.o -lc -lm
ld: playlist.o: relocation R_X86_64_32 against `a local symbol' can not be used when making a shared object; recompile with -fPIC

1. unzip 775Dual-VSTA\(2.60\).zip

1. cp 75DVSTA2.60 ASRflash.exe /tmp/floppy

Código com uma tarefa

/*
# 
# Desliga e liga um LED na PORTC<0>, utilizando uma task.
#@ Casainho - 14052007
*/

#include <_stdlib.h_>

#ifdef GCC_MEGA_AVR
	/* EEPROM routines used only with the WinAVR compiler. */
	#include  
#endif

/* Scheduler include files. */
#include "FreeRTOS.h"
#include "task.h"


/* Priority definitions for the tasks. */
#define mainFlashLED_TASK_PRIORITY			( tskIDLE_PRIORITY + 1 )


/*
* The tasks functions.
*/

static void vFlashLED( void *pvParameters );


/*
* The idle hook.
*/

void vApplicationIdleHook( void );


/*****************************************/
/*
#
# Configurar o RTOS e inicialização.
#
*/

portSHORT main( void )
{
	//configurar entradas e saídas
	DDRC |= (1 << 0); // bits de saída prós LEDS

	/* Create the tasks. */
	xTaskCreate( vFlashLED, "LED", configMINIMAL_STACK_SIZE, NULL, mainFlashLED_TASK_PRIORITY, NULL );

	/*Start the Scheduler :-) */
	vTaskStartScheduler();

	return 0;
}


/*****************************************/
/*
#
# Task que vai ligar ou desligar o LED.
#
*/
static void vFlashLED( void *pvParameters )
{

/* The parameters are not used. */
( void ) pvParameters;

portTickType xLastWakeTime;
const portTickType xFreq_ligado = 1000;
const portTickType xFreq_desligado = 500;

	/* Cycle for ever. */
	for( ;; )
		{

		PORTC = 1;

		// Initialise the xLastWakeTime variable with the current time.
		xLastWakeTime = xTaskGetTickCount();
		vTaskDelayUntil( &xLastWakeTime, xFreq_ligado );


		PORTC = 0;

		// Initialise the xLastWakeTime variable with the current time.
		xLastWakeTime = xTaskGetTickCount();
		vTaskDelayUntil( &xLastWakeTime, xFreq_desligado );
		}
}


/*****************************************/
void vApplicationIdleHook( void )
{

}

Parte do meu FreeRTOSConfig.h

/******************************************/
 * Application specific definitions.
 *
 * These definitions should be adjusted for your particular hardware and
 * application requirements.
 *
 * THESE PARAMETERS ARE DESCRIBED WITHIN THE 'CONFIGURATION' SECTION OF THE
 * FreeRTOS API DOCUMENTATION AVAILABLE ON THE FreeRTOS.org WEB SITE. 
 ******************************************/

#define configUSE_PREEMPTION		1
#define configUSE_IDLE_HOOK			1
#define configUSE_TICK_HOOK			0
#define configCPU_CLOCK_HZ			( ( unsigned portLONG ) 8000000 )
#define configTICK_RATE_HZ			( ( portTickType ) 1000 )
#define configMAX_PRIORITIES		( ( unsigned portBASE_TYPE ) 4 )
#define configMINIMAL_STACK_SIZE	( ( unsigned portSHORT ) 85 )
#define configTOTAL_HEAP_SIZE		( (size_t ) ( 512 ) )
#define configMAX_TASK_NAME_LEN		( 8 )
#define configUSE_TRACE_FACILITY	0
#define configUSE_16_BIT_TICKS		1
#define configIDLE_SHOULD_YIELD		0

/* Co-routine definitions. */
#define configUSE_CO_ROUTINES 		0
#define configMAX_CO_ROUTINE_PRIORITIES ( 2 )

/* Set the following definitions to 1 to include the API function, or zero
to exclude the API function. */

#define INCLUDE_vTaskPrioritySet		0
#define INCLUDE_uxTaskPriorityGet		0
#define INCLUDE_vTaskDelete				0
#define INCLUDE_vTaskCleanUpResources	0
#define INCLUDE_vTaskSuspend			0
#define INCLUDE_vTaskDelayUntil			1
#define INCLUDE_vTaskDelay				0

O meu programa simples que liga dois LED's

#include <_inttypes.h_>
#include <_avr/io.h_>
#include <_avr/wdt.h_>


int main (void)
	{		
	
	//desligar o WDT
	wdt_disable();

	//configurar entradas e saídas
	DDRC |= ((1 << 0) | (1 << 1) | (1 << 2)); // bits de saída prós LEDS


	while(1)
	{

	PORTC = 5;	
	}
}

O meu makefile

MCU=atmega16
CC=avr-gcc
OBJCOPY=avr-objcopy
# optimize for size:
CFLAGS=-g -O -mmcu=$(MCU)
#-------------------
all: programa.hex
#-------------------
programa.hex : programa.out 
	$(OBJCOPY) -R .eeprom -O ihex programa.out programa.hex 
programa.out : programa.o 
	$(CC) $(CFLAGS) -o programa.out -Wl,-Map,programa.map programa.o 
programa.o : programa.c 
	$(CC) $(CFLAGS) -c programa.c
# you need to erase first before loading the program.
# load (program) the software into the eeprom:
load: programa.hex
	uisp -dpart=atmega16 -dprog=bsd -dlpt=/dev/parport0 --erase
	uisp -dpart=atmega16 -dprog=bsd -dlpt=/dev/parport0 --upload if=/media/data/05_assembly/GCC-AVR/programa.hex -v
	uisp -dpart=atmega16 -dprog=bsd -dlpt=/dev/parport0 --verify if=/media/data/05_assembly/GCC-AVR/programa.hex -v
	
#-------------------
clean:
	rm -f *.o *.map *.out
#-------------------
erase:
	uisp -dpart=atmega16 -dprog=bsd -dlpt=/dev/parport0 --erase

O que tive de fazer para ter a porta paralela a funcionar - carregar o módulo ppdev

modprobe ppdev