/********************************************************************* * Flowcode EEPROM Component Code * * File: PIC_EEPROM.c * * (c) 2009 Matrix Multimedia Ltd. * http://www.matrixmultimedia.com * * Software License Agreement * * The software supplied herewith by Matrix Multimedia Ltd (the * “Company”) for its Flowcode graphical programming language is * intended and supplied to you, the Company’s customer, for use * solely and exclusively on the Company's products. The software * is owned by the Company, 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 licence. * * 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. * * Changelog: * * date | by | description * -------+----+----------------------------------------------------- * 020407 | ST | Created * 121207 | BR | Added possibility of eedat & eeaddr register names * 130509 | BR | Added % definitions to DefinesCode section * 131109 | BR | Fixed #pragma error HITECH problem * 230311 | BR | Changed code to work for hitech and boostc without ifdefs * 280711 | BR | Fixed a #if problem where MX_EE were getting defined multiple times ********************************************************************/ /********************************************************************* Return & parameter types: void char short char* Pin directions: 0 = OUTPUT 2 = INPUT 3 = BIDIRECTIONAL ********************************************************************** [Settings] CLSID={73CDBD68-192D-4830-95BF-F55A31E923EF} IsAnalogue=0 MultipleAllowed=0 Description=Internal EEPROM Flowcode Component ********************************************************************** [Port] DesiredPort=0 PortMandatory=0 SamePortAsID=0 [Pins] Count=0 [PinPort] # PORTA = 0 # PORTB = 1 # PORTC = 2 # PORTD = 3 # PORTE = 4 [PinDesiredBit] [PinDirection] # DIR_INPUT = 2 # DIR_OUTPUT = 0 # DIR_BIDIRECTIONAL = 3 [PinMustUsePort] # boolean [SamePortAsPinX] # -1 = any pin # otherwise, the pin number [PinMustUsePin] # boolean [PinValue] # boolean (0 = off, 1 = on) ********************************************************************** [MacroNames] Count=2 1=EEPROMRead 2=WriteEEPROM [VisibleMacroNames] 1=Read 2=Write [MacroReturns] 1=char 2=void [MacroIsPrivate] 1=0 2=0 [MacroParameters_EEPROMRead] Count=1 1=addr [MacroParamTypes_EEPROMRead] 1=short [MacroParameters_WriteEEPROM] Count=2 1=addr 2=data [MacroParamTypes_WriteEEPROM] 1=short 2=char ********************************************************************/ /******************************************************************** * ADDITIONAL CODE ********************************************************************/ /*DefinesCode_Start*/ /**** Macro Substitutions **** ******************************/ /*DefinesCode_End*/ /*InitialisationCode_Start*/ /*InitialisationCode_End*/ /*InterruptCode_Start*/ /*InterruptCode_End*/ /******************************************************************** * FUNCTIONS ********************************************************************/ char EEPROMRead(short addr) { /*Macro_EEPROMRead_Start*/ char data = 0; #ifdef MX_EE #ifdef _BOOSTC #ifndef MX_EEADR #ifdef EEADR #define MX_EEADR eeadr #else #ifdef EEADRL #define MX_EEADR eeadrl #endif #endif #endif #ifndef MX_EEDATA #ifdef EEDATA #define MX_EEDATA eedata #else #ifdef EEDATAL #define MX_EEDATA eedatal #else #ifdef EEDATL #define MX_EEDATA eedatl #endif #endif #endif #endif #ifndef MX_EEADR //Catch Error #error "EEPROM error - MX_EEADR not set" #endif #ifndef MX_EEDATA #error "EEPROM error - MX_EEDATA not set" #endif MX_EEADR = addr & 0xff; #if (MX_EE_SIZE > 256) eeadrh = (addr & 0xff00) >> 8; #endif #ifdef MX_EE_TYPE2 clear_bit(eecon1, EEPGD); #endif #ifdef MX_EE_TYPE3 clear_bit(eecon1, EEPGD); clear_bit(eecon1, CFGS); #endif set_bit(eecon1, RD); data = MX_EEDATA; #endif #ifdef HI_TECH_C data = eeprom_read(addr); #endif #else #ifdef MX_EE_TYPE67X #error "FlowCode does not support EEPROM for this device" #else #ifdef MX_EE_TYPE62X #error "FlowCode does not support EEPROM for this device" #else #error "Chip does not have EEPROM memory" #endif #endif #endif return (data); /*Macro_EEPROMRead_End*/ } void WriteEEPROM(short addr, char data) { /*Macro_WriteEEPROM_Start*/ #ifdef MX_EE #ifdef _BOOSTC #ifndef MX_EEADR #ifdef EEADR #define MX_EEADR eeadr #else #ifdef EEADRL #define MX_EEADR eeadrl #endif #endif #endif #ifndef MX_EEDATA #ifdef EEDATA #define MX_EEDATA eedata #else #ifdef EEDATAL #define MX_EEDATA eedatal #else #ifdef EEDATL #define MX_EEDATA eedatl #endif #endif #endif #endif #ifndef MX_EEADR //Catch Error #error "EEPROM error - MX_EEADR not set" #endif #ifndef MX_EEDATA #error "EEPROM error - MX_EEDATA not set" #endif char bInterruptsEnabled; //wait for previous EE writes to complete... while (test_bit(eecon1, WR)); MX_EEADR = addr & 0xff; #if (MX_EE_SIZE > 256) eeadrh = (addr & 0xff00) >> 8; #endif MX_EEDATA = data; #ifdef MX_EE_TYPE2 clear_bit(eecon1, EEPGD); #endif #ifdef MX_EE_TYPE3 clear_bit(eecon1, EEPGD); clear_bit(eecon1, CFGS); #endif set_bit(eecon1, WREN); bInterruptsEnabled = test_bit(intcon, GIE); clear_bit(intcon, GIE); //Disable Interrupts eecon2 = 0x55; eecon2 = 0xAA; set_bit(eecon1, WR); while (test_bit(eecon1, WR)); //wait for EE write to complete... if (bInterruptsEnabled) set_bit(intcon, GIE); //Re-enable Interrupts clear_bit(eecon1, WREN); #endif #ifdef HI_TECH_C eeprom_write(addr, data); #endif #else #ifdef MX_EE_TYPE67X #error "FlowCode does not support EEPROM for this device" #else #ifdef MX_EE_TYPE62X #error "FlowCode does not support EEPROM for this device" #else #error "Chip does not have EEPROM memory" #endif #endif #endif /*Macro_WriteEEPROM_End*/ }