Fra Hougaard
/*********************************************************************
* appcfg.c - Application Configuration functions
* Dependencies:
* Processor: PIC18
* Complier: MCC18 v1.00.50 or higher
* HITECH PICC-18 V8.10PL1 or higher
* Company: Modtronix Engineering - www.modtronix.com
*
*********************************************************************
* Description
*
* Application configuration.
*
*********************************************************************
* File History
*
* 2004-10-19, David Hosken (DH):
* - Initial version
*
*********************************************************************
* Software License Agreement
*
* The software supplied herewith is owned by Modtronix Engineering, and is
* protected under applicable copyright laws. The software supplied herewith is
* intended and supplied to you, the Company customer, for use solely and
* exclusively on products manufactured by Modtronix Engineering. The code may
* be modified and can be used free of charge for commercial and non commercial
* applications. 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.
*
********************************************************************/
#define THIS_IS_APPCFG_MODULE
#include "projdefs.h"
#include "appcfg.h"
#if defined(MPFS_USE_EEPROM)
#include "xeeprom.h"
#endif
/////////////////////////////////////////////////
//Uncomment following lines if BAUD rate is statically set. They will calculate SPBRG1 and SPBRGH1
//USART1 is used in 16 bit baud rate generator mode, BRGH high, BRG16 high
//#define BAUD_RATE1 (57600) // bps
//#define SPBRG1_VAL ((((CLOCK_FREQ/BAUD_RATE1)/4) - 1) & 0xff)
//#define SPBRGH1_VAL (((((CLOCK_FREQ/BAUD_RATE1)/4) - 1) >> 8) & 0xff)
//#if SPBRG1_VAL > 255
// #error "Calculated SPBRG value is out of range for currnet CLOCK_FREQ."
//#endif
/////////////////////////////////////////////////
//Variables
APP_CONFIG AppConfig; //This is used by other stack elements.
/*********************************************************************
* Function: void appcfgInit(void)
*
* PreCondition: MPFSInit() is already called.
*
* Input: None
*
* Output: Write/Read non-volatile config variables.
*
* Side Effects: None
*
* Overview: None
*
* Note: None
********************************************************************/
void appcfgInit(void)
{
#if defined(MPFS_USE_EEPROM)
BYTE c;
BYTE *p;
#endif
/////////////////////////////////////////////////
//Load default configuration into RAM.
//Network parameters
AppConfig.MyIPAddr.v[0] = MY_DEFAULT_IP_ADDR_BYTE1;
AppConfig.MyIPAddr.v[1] = MY_DEFAULT_IP_ADDR_BYTE2;
AppConfig.MyIPAddr.v[2] = MY_DEFAULT_IP_ADDR_BYTE3;
AppConfig.MyIPAddr.v[3] = MY_DEFAULT_IP_ADDR_BYTE4;
AppConfig.MyMask.v[0] = MY_DEFAULT_MASK_BYTE1;
AppConfig.MyMask.v[1] = MY_DEFAULT_MASK_BYTE2;
AppConfig.MyMask.v[2] = MY_DEFAULT_MASK_BYTE3;
AppConfig.MyMask.v[3] = MY_DEFAULT_MASK_BYTE4;
AppConfig.MyGateway.v[0] = MY_DEFAULT_GATE_BYTE1;
AppConfig.MyGateway.v[1] = MY_DEFAULT_GATE_BYTE2;
AppConfig.MyGateway.v[2] = MY_DEFAULT_GATE_BYTE3;
AppConfig.MyGateway.v[3] = MY_DEFAULT_GATE_BYTE4;
AppConfig.MyMACAddr.v[0] = MY_DEFAULT_MAC_BYTE1;
AppConfig.MyMACAddr.v[1] = MY_DEFAULT_MAC_BYTE2;
AppConfig.MyMACAddr.v[2] = MY_DEFAULT_MAC_BYTE3;
AppConfig.MyMACAddr.v[3] = MY_DEFAULT_MAC_BYTE4;
AppConfig.MyMACAddr.v[4] = MY_DEFAULT_MAC_BYTE5;
AppConfig.MyMACAddr.v[5] = MY_DEFAULT_MAC_BYTE6;
//Flags
#if defined(STACK_USE_DHCP) || defined(STACK_USE_IP_GLEANING)
AppConfig.Flags.bIsDHCPEnabled = TRUE;
#else
AppConfig.Flags.bIsDHCPEnabled = FALSE;
#endif
AppConfig.Flags.bPLLOn = TRUE; //Todo - make PLL software configurable
AppConfig.Flags.bFreezeADCBuf = FALSE; //AdcValues buffer can be updated
//TRIS Port directions
AppConfig.PortCfg.trisa = 0xff;
AppConfig.PortCfg.trisb = 0xbf; //B6 is configured as an output
AppConfig.PortCfg.trisc = 0xff;
AppConfig.PortCfg.trisf = 0xff;
/////////////////////////////////////////////////
// - If EEPROM contains config data (first byte = 0x55), load it
// - If EEPROM contains no data, save default data to EEPROM
#if defined(MPFS_USE_EEPROM)
p = (BYTE*)&AppConfig;
//Read first byte of EEPROM
XEEBeginRead(EEPROM_CONTROL, 0x00);
c = XEERead();
XEEEndRead();
//Load configuration from EEPROM (contains config if first byte = 0x55)
if ( c == 0x55 )
{
XEEBeginRead(EEPROM_CONTROL, 0x01);
for ( c = 0; c < sizeof(AppConfig); c++ )
*p++ = XEERead();
XEEEndRead();
}
//Write configuration to EEPROM
else {
appcfgSave();
}
#endif
}
#if defined(MPFS_USE_EEPROM)
void appcfgSave(void)
{
BYTE c;
BYTE *p;
p = (BYTE*)&AppConfig;
XEEBeginWrite(EEPROM_CONTROL, 0x00);
XEEWrite(0x55);
for ( c = 0; c < sizeof(AppConfig); c++ )
{
XEEWrite(*p++);
}
XEEEndWrite();
}
/*
* Configure the CPU I/O ports
*/
void appcfgCpuIO(void)
{
//Ensure following TRISB ports are always inputs:
//B0 = Input from RTL8019AS
AppConfig.PortCfg.trisb |= 0x01;
//Ensure following TRISC ports are always inputs:
//C3 = Is controlled by I2C unit
//C4 = Is controlled by I2C unit
//C6 = Is controlled by USART
//C7 = Is controlled by USART
AppConfig.PortCfg.trisc |= 0xd8;
//Set PORT A,B,D and F direction bits
TRISA = AppConfig.PortCfg.trisa;
TRISB = AppConfig.PortCfg.trisb;
TRISC = AppConfig.PortCfg.trisc;
TRISF = AppConfig.PortCfg.trisf;
}
#endif
