ap-main.c

mmc_sd_memory_card_driver_sample_project_files.zip spi接口的sd card driver 示例

//****************************************************************************************
//****************************************************************************************
//  Project Name:		MMC / SD MEMORY CARD FAT16 & FAT 32 DRIVER
//						PIC18 SAMPLE PROJECT C CODE FILE
//  Copyright:			EMBEDDED-CODE.COM
//
//  Licenced To:        NONE
//  Licence Number:     NONE
//
//  IMPORTANT: These files are copyright of embedded-code.com and are subject to a licence
//  agreement.  All rights reserved.  Unauthorised use, reproduction or distribution of
//  these files may lead to prosecution.
//  Any use in violation of the licence 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 the 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. 
//  Embedded-code.com shall not be liable in any circumstances for special, incidental
//  or consequential damages, for any reason whatsoever.
//  Please see 'www.embedded-code.com\licence' or email '[e-mail]' for
//  full details.
//  This file contains hidden markers to identify it uniquely to the licence number it was
//  purchased under.
//  DO NOT REMOVE THIS NOTICE - IT IS A REQUIREMENT OF THE LICENCE AGREEMENT.
//****************************************************************************************
//****************************************************************************************



//----- INCLUDE FILES FOR THIS SOURCE CODE FILE -----
######## "####.#"					//(Include the project global defines file)
#######	######						//(Define used for following header file to flag that it is the header file for this source file)
######## "#######.#"				//(Include header file for this source file)

//----- OTHER PROJECT FILES REQUIRED BY THIS SOURCE CODE FILE -----
######## "#######.#"

//----- COMPILER LIBRARY FILES REQUIRED BY THIS SOURCE CODE FILE -----
######## <#####.#>					//(Needed for printf)
//#include <stdlib.h>
######## <#####.#>
######## <######.#>					//Used in the example project code





//******************************************
//******************************************
//********** DEVICE CONFIGURATION **********
//******************************************
//******************************************
//These configuration defines do not need to be included, but having them means that the configuration bits will be automatically set and will be included in the .hex
//file created for the project, so that they do not need to be manually set when programming devices at manufacture.
//(The config names are given in the '.inc' file for the device being used)

###### ###################
//DEVELOPMENT MODE
	####### ###### #### = ###			//Osciallator Switching
	####### ###### ### = #####			//Ocsillator type
	####### ###### ### = ##				//Brown out reset
	####### ###### #### = ###			//Powerup timer (Need to start ASAP to turn on power relay)
###### ###############
	####### ###### #### = ##			//Brown out reset voltage
#####
	####### ###### #### = ##			//Brown out reset voltage
######
	####### ###### ### = ###			//Watchdog timer
	####### ###### ##### = ###			//Watchdog prescaller
	####### ###### ####### = ###		//CCP2 pin
	####### ###### ##### = ##			//Debugger
	####### ###### ### = ###			//Low voltage program
	####### ###### #### = ##			//Stack overflow reset
	####### ###### ### = ###			//Code protect block
	####### ###### ### = ###			//Code protect block
	####### ###### ### = ###			//Code protect block
	####### ###### ### = ###			//Code protect block
	####### ###### ### = ###			//Code protect boot block
	####### ###### ### = ###			//Protect data eeprom
	####### ###### #### = ###			//Table write protect block
	####### ###### #### = ###			//Table write protect block
	####### ###### #### = ###			//Table write protect block
	####### ###### #### = ###			//Table write protect block
	####### ###### #### = ###			//Boot block write protect
	####### ###### #### = ###			//Config registers write protect
	####### ###### #### = ###			//Data eeprom write protect
	####### ###### ##### = ###			//Table read protect block
	####### ###### ##### = ###			//Table read protect block
	####### ###### ##### = ###			//Table read protect block
	####### ###### ##### = ###			//Table read protect block
	####### ###### ##### = ###			//Table read protect boot block

#####
//NOT IN DEVELOPMENT MODE
	####### ###### #### = ###			//Osciallator Switching
	####### ###### ### = #####			//Ocsillator type
	####### ###### ### = ##				//Brown out reset
	####### ###### #### = ###			//Powerup timer (Need to start ASAP to turn on power relay)
###### ###############
	####### ###### #### = ##			//Brown out reset voltage
#####
	####### ###### #### = ##			//Brown out reset voltage
######
	####### ###### ### = ##				//Watchdog timer
	####### ###### ##### = ###			//Watchdog prescaller
	####### ###### ####### = ###		//CCP2 pin
	####### ###### ##### = ###			//Debugger
	####### ###### ### = ###			//Low voltage program
	####### ###### #### = ##			//Stack overflow reset
	####### ###### ### = ###			//Code protect block
	####### ###### ### = ###			//Code protect block
	####### ###### ### = ###			//Code protect block
	####### ###### ### = ###			//Code protect block
	####### ###### ### = ###			//Code protect boot block
	####### ###### ### = ###			//Protect data eeprom
	####### ###### #### = ###			//Table write protect block
	####### ###### #### = ###			//Table write protect block
	####### ###### #### = ###			//Table write protect block
	####### ###### #### = ###			//Table write protect block
	####### ###### #### = ###			//Boot block write protect
	####### ###### #### = ###			//Config registers write protect
	####### ###### #### = ###			//Data eeprom write protect
	####### ###### ##### = ###			//Table read protect block
	####### ###### ##### = ###			//Table read protect block
	####### ###### ##### = ###			//Table read protect block
	####### ###### ##### = ###			//Table read protect block
	####### ###### ##### = ###			//Table read protect boot block
######




//*************************************************************************************************************************************
//*************************************************************************************************************************************
//*************************************************************************************************************************************
//*************************************************************************************************************************************
//*************************************************************************************************************************************
//*************************************************************************************************************************************
//*************************************************************************************************************************************

//********************************
//********************************
//********** INITIALISE **********
//********************************
//********************************
void initialise (void)
{

	######();

	//-------------------------
	//----- SETUP IO PINS -----
	//-------------------------
	//(Device will powerup with all IO pins as inputs)

	//Setup the state of any pins that are outputs (inputs are don't care)
	#### = ##########;
	#### = ##########;
	#### = ##########;		//FFS_CE, FFS_WE & FFS_OE all high
	#### = ##########;
	#### = ##########;

	######## = #;
	######## = #;

	//Setup the IO pin type (0 = output, 1 = input)
	########.##### = #;
	##### = ##########;
	##### = ##########;
	##### = ##########;
	##### = ##########;
	##### = ##########;


	//Setup internal pull ups
	###########.#### = #;				//Port B pull ups (0 = on)

	//----- SETUP THE A TO D PINS -----
	###### = ##########;
	###### = ##########;				//All AtoD pins are digital


	//----------------------------
	//----- SETUP INTERRUPTS -----
	//----------------------------


	//------------------------
	//----- SETUP TIMERS -----
	//------------------------
	//(INCLUDE THE USAGE OF ALL TIMERS HERE EVEN IF NOT SETUP HERE SO THIS IS THE ONE POINT OF
	//REFERENCE TO KNOW WHICH TIMERS ARE IN USE AND FOR WHAT).

	//----- SETUP TIMER 0 -----
	//Used for: Heartbeat
	#########.###### = #;				//Configured as a 16bit timer
	#########.#### = #;					//Use internal instruction clock
	#########.#### = #;
	#########.### = #;					//Prescaller is in use (0 = in use)
	#########.##### = #;				//Prescaler 1:2
	#########.##### = #;
	#########.##### = #;
	#########.###### = #;				//Timer 0 on

	##########.###### = #;				//Enable the Timer 0 irq

	//----- SETUP TIMER 1 -----
	//Used for: Available
	/*
	T1CONbits.RD16 = 1;					//R/W 16bits in 1 operation
	T1CONbits.T1RUN = 0;				//Don't use timer 1 dedicated oscillator
	T1CONbits.T1OSCEN = 0;				//Timer 1 dedicated oscillator disabled
	T1CONbits.T1CKPS1 = 0;				//1:1 prescale
	T1CONbits.T1CKPS0 = 0;
	T1CONbits.T1SYNC = 0;
	T1CONbits.TMR1CS = 0;				//Use internal instruction  clock
	T1CONbits.TMR1ON = 1;				//Enable timer 1
	*/

	//----- SETUP TIMER 2 -----
	//Used for: Available
	/*
	T2CONbits.T2OUTPS3 = 0;				//1:1 postscale
	T2CONbits.T2OUTPS2 = 0;
	T2CONbits.T2OUTPS1 = 0;
	T2CONbits.T2OUTPS0 = 0;
	T2CONbits.T2CKPS1 = 1;				//1:16 prescale
	T2CONbits.T2CKPS0 = 0;
	T2CONbits.TMR2ON = 1;				//Enable timer 2
	*/

	//----- SETUP TIMER 3 -----
	//Used for: Available
	/*
	T3CONbits.RD16 = 1;					// R/W 16bits in 1 operation
	T3CONbits.T3CCP2 = 0;				// R/W 16bits in 1 operation
	T3CONbits.T3CCP1 = 0;
	T3CONbits.T3CKPS1 = 0;				//1:1 prescale
	T3CONbits.T3CKPS0 = 0;
	T3CONbits.T3SYNC = 0;
	T3CONbits.TMR3CS = 0;				//Use internal instruction  clock
	T3CONbits.TMR3ON = 1;				//Enable timer 3
	*/



	//-----------------------------------------------
	//----- SETUP SYNCHRONOUS SERIAL PORT (SSP) -----
	//-----------------------------------------------
	//SETUP SPI BUS
	###########.### = #;
	###########.### = #;		//Data is valid on the rising edge of the clock
	###########.### = #;		//Clock low in idle bus state
	###########.##### = #;		//Clock frequency = Fosc / 4
	###########.##### = #;
	###########.##### = #;
	###########.##### = #;
	###########.##### = #;		//Enable SSP Port




	//-----------------------
	//----- SETUP USART -----
	//-----------------------
	//Setup to use for debug 'printf' output

	//SETUP BAUD RATE
	#########.#### = #;					//Low speed mode
	##### = (####)((########################### << #) / (## * (#### + #)));			// OSCILLATOR_FREQUENCY / (64 * (DESIRED BAUD + 1)

	//SETUP TX
	#########.### = #;					//8 bit tx
	#########.#### = #;					//Transmit enabled
	#########.#### = #;					//Asynchronous mode
	
	//SETUP RX
	#########.### = #;					//8 bit rx
	#########.##### = #;				//Address detect disabled
	#########.#### = #;					//Enable receiver
	#########.#### = #;					//Serial port enabled

	//------------------------
	//----- USING PRINTF -----
	//------------------------
	//If using C18 and the compiler small memory model (devices <= 64K of program memory) you can use '(rom far char*)' to stop a build warning
	//being generated, otherwise omit the (rom far char*)

	//Example displaying just text:-
	//printf ((rom far char*)"\n----- POWER-UP ----- \n\r");

	//Example displaying a value:-
	//temp_value = 199;
	//itoa((int) temp_value, temp_string);
	//printf ((rom far char*)"%s\n\r", temp_string);

	//Example of getting terminal input:-
	//printf ((rom far char*)"\nEnter 5 digit value\n\r");
	//getsUSART((char*)temp_string,5);
	//temp_string[5] = 0x00;
	//printf ((rom far char*)"You typed: %s\n\r", temp_string);


	//-----------------------------
	//----- ENABLE INTERRUPTS -----
	//-----------------------------
   	##########.#### = #;        	// enable lo priority interrupts
	##########.#### = #;        	// enable hi priority interrupts 









}






//**********************************************************************************************************************************************
//**********************************************************************************************************************************************
//**********************************************************************************************************************************************
//**********************************************************************************************************************************************
//**********************************************************************************************************************************************
//**********************************************************************************************************************************************
//**********************************************************************************************************************************************

//***********************************
//***********************************
//********** MAIN FUNCTION **********
//***********************************
//***********************************
void main ( void )
{


	//**********************
	//**********************
	//***** INITIALISE *****
	//**********************
	//**********************
	##########();





	//*********************
	//*********************
	//***** MAIN LOOP *****
	//*********************
	//*********************
	#####(#)						//(Do forever)
	{
		//----- RESET THE WATCHDOG TIMEOUT TIMER -----
		######();


		//----- READ SWITCHES -----
		#############();


		//----- PROCESS MODE -----
		############();


		//----- PROCESS FAT FILING SYSTEM -----
		###########();









		
	}
}




//***********************************
//***********************************
//********** READ SWITCHES **********
//***********************************
//***********************************
void read_switches (void)
{
	#### #############;
	#### #####################;
	###### #### ############# = #;
	###### #### ####################### = #;


	//RESET THE NEW SWITCH PRESS REGISTER
	############ = #;

	//ONLY DO EVERY 10MS FOR DEBOUNCE
	## (################## == #)
		######;

	################## = #;

	//GET THE SWITCH INPUTS
	############# = ~(##### | ####);

	//DEBOUNCE
	################## = ############# & #############;

	//FLAG NEW BUTTON PRESSES
	############ = ################## ^ #######################;
	############ &= ##################;

	//STORE LAST REGISTERS FOR NEXT TIME
	####################### = ##################;
	############# = #############;

}



const char filename_all[] = {"*.*"};
const char filename_test_txt[] = {"test.txt"};
const char filename_test_csv[] = {"test.csv"};