system.h

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/*
 * The MIT License
 *
 * Copyright(c) 2016 Mallikarjun Tirlapur.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

#ifndef SYSTEM_H
#define SYSTEM_H

#ifdef  __cplusplus
extern "C" {
#endif
#include <xc.h>
#include <p18f4431.h>
#include <string.h>
#include <stdlib.h>

#pragma config OSC = HS
#pragma config WDTEN = OFF
#pragma config MCLRE = ON
#pragma config CPD = OFF
#pragma config BOREN = ON
#pragma config IESO = ON
#pragma config FCMEN = ON
#pragma config STVREN = ON
#pragma config LVP = ON

typedef unsigned char uint8_t; 
typedef unsigned short uint16_t; 
typedef unsigned long uint32_t; 
#define NVM_ROW_SIZE 8 
#define NVM_PAGE_SIZE 64 
#define NVM_START_ADDRESS 0x00 
#define NVM_END_ADDRESS 0x3fff 
uint16_t applStartAdd; 
void runStateMachine(void);

void initVarConfigPort(void);

void runApplcn(void);

uint8_t totalNumberOfPacckets; 
typedef enum SYSTEM_STATUS_Tag {
    SYS_WAIT_FOR_START_CMND, 
    SYS_CONFIG_FLASH, 
    SYS_RCV_FIRMWARE_HEADER, 
    SYS_FIRMWARE_UPDATE, 
    SYS_RUN_APPLCN, 
    SYS_SND_ADDRS_RANGE, 
} SYS_STATE_t;

typedef enum SYSTEM_COM_PROTOCOL_MSG_Tag {
    SYS_START_CMND_FROM_PROGRMR = 0x01, 
    SYS_READY_FOR_FIRMWARE_HEADER, 
    SYS_FIRMWARE_HEADER_POS_ACK, 
    SYS_FIRMWARE_HEADER_NEG_ACK, 
    SYS_SND_NXT_CHUNK, 
    SYS_ADDRESS_RANGE_TAG, 
    SYS_ADDRESS_RANGE_RQT, 
} SYS_COM_PROTOCL_MSG_t;


uint8_t progMemRange[] = {SYS_ADDRESS_RANGE_TAG, NVM_PAGE_SIZE, 
                         (uint8_t)((NVM_END_ADDRESS & 0xff000000) >> 24),
                         (uint8_t)((NVM_END_ADDRESS & 0x00ff0000) >> 16),
                         (uint8_t)((NVM_END_ADDRESS & 0x0000ff00) >> 8),
                         (uint8_t)(NVM_END_ADDRESS & 0x000000ff),
                         (uint8_t)((NVM_START_ADDRESS & 0xff000000) >> 24),
                         (uint8_t)((NVM_START_ADDRESS & 0x00ff0000) >> 16),
                         (uint8_t)((NVM_START_ADDRESS & 0x0000ff00) >> 8),
                         (uint8_t)(NVM_START_ADDRESS & 0x000000ff)};

    
#ifdef  __cplusplus
}
#endif

#endif  /* SYSTEM_H */