Del programa que me he bajado, hay un ejemplo de programa base, como este.
/*********************************************************************
*
* Microchip USB C18 Firmware Version 1.0
*
*********************************************************************
* FileName: main.c
* Dependencies: See INCLUDES section below
* Processor: PIC18
* Compiler: C18 2.30.01+
* Company: Microchip Technology, Inc.
*
* Software License Agreement
*
* The software supplied herewith by Microchip Technology Incorporated
* (the “Company”) for its PICmicro® Microcontroller is intended and
* supplied to you, the Company’s customer, for use solely and
* exclusively on Microchip PICmicro Microcontroller products. The
* software is owned by the Company and/or its supplier, and is
* protected under applicable copyright laws. All rights are reserved.
* Any use in violation of the foregoing restrictions may subject the
* user to criminal sanctions under applicable laws, as well as to
* civil liability for the breach of the terms and conditions of this
* license.
*
* THIS SOFTWARE IS PROVIDED IN AN “AS IS” CONDITION. NO WARRANTIES,
* WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BUT NOT LIMITED
* TO, IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. THE COMPANY SHALL NOT,
* IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL OR
* CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
*
* Author Date Comment
*~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
* Rawin Rojvanit 11/19/04 Original.
********************************************************************/
/** I N C L U D E S **********************************************************/
#include <p18cxxx.h>
#include "system\typedefs.h" // Required
#include "system\usb\usb.h" // Required
#include "io_cfg.h" // Required
#include "system\usb\usb_compile_time_validation.h" // Optional
#include "user\user.h" // Modifiable
/** V A R I A B L E S ********************************************************/
#pragma udata
/** P R I V A T E P R O T O T Y P E S ***************************************/
static void InitializeSystem(void);
void USBTasks(void);
/** V E C T O R R E M A P P I N G *******************************************/
extern void _startup (void); // See c018i.c in your C18 compiler dir
#pragma code _RESET_INTERRUPT_VECTOR = 0x000800
void _reset (void)
{
_asm goto _startup _endasm
}
#pragma code
#pragma code _HIGH_INTERRUPT_VECTOR = 0x000808
void _high_ISR (void)
{
;
}
#pragma code _LOW_INTERRUPT_VECTOR = 0x000818
void _low_ISR (void)
{
;
}
#pragma code
/** D E C L A R A T I O N S **************************************************/
#pragma code
/******************************************************************************
* Function: void main(void)
*
* PreCondition: None
*
* Input: None
*
* Output: None
*
* Side Effects: None
*
* Overview: Main program entry point.
*
* Note: None
*****************************************************************************/
void main(void)
{
InitializeSystem();
while(1)
{
USBTasks(); // USB Tasks
ProcessIO(); // See user\user.c & .h
}//end while
}//end main
/******************************************************************************
* Function: static void InitializeSystem(void)
*
* PreCondition: None
*
* Input: None
*
* Output: None
*
* Side Effects: None
*
* Overview: InitializeSystem is a centralize initialization routine.
* All required USB initialization routines are called from
* here.
*
* User application initialization routine should also be
* called from here.
*
* Note: None
*****************************************************************************/
static void InitializeSystem(void)
{
ADCON1 |= 0x0F; // Default all pins to digital
#if defined(USE_USB_BUS_SENSE_IO)
tris_usb_bus_sense = INPUT_PIN; // See io_cfg.h
#endif
#if defined(USE_SELF_POWER_SENSE_IO)
tris_self_power = INPUT_PIN;
#endif
mInitializeUSBDriver(); // See usbdrv.h
UserInit(); // See user.c & .h
}//end InitializeSystem
/******************************************************************************
* Function: void USBTasks(void)
*
* PreCondition: InitializeSystem has been called.
*
* Input: None
*
* Output: None
*
* Side Effects: None
*
* Overview: Service loop for USB tasks.
*
* Note: None
*****************************************************************************/
void USBTasks(void)
{
/*
* Servicing Hardware
*/
USBCheckBusStatus(); // Must use polling method
if(UCFGbits.UTEYE!=1)
USBDriverService(); // Interrupt or polling method
}// end USBTasks
/** EOF main.c ***************************************************************/
pero claro como que leñe es to eso????? y donde pongo yo mi programa?????
, pero no lo tienes ya? y si no como programas ese pic? o es un bootloader para algo especial, acaso cargar algun parametro concreto de la carrera...