HelloWorld PIC32 - Revision history

Andrew Long: /* Create a New Project */

2010-04-22T02:14:25Z

Create a New Project

← Older revision		Revision as of 21:14, 21 April 2010
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	*For NU32 board: Download [[Media:HelloWorld_NU32.zip\|these]] HardwareProfile header files and the procdefs.ld file.		*For NU32 board: Download [[Media:HelloWorld_NU32.zip\|these]] HardwareProfile header files and the procdefs.ld file.
	*For UBW32 board: Download [[Media:HelloWorld_UBW32.zip\|these]] Hardware Profile header files and the procdefs.ld file.		*For UBW32 board: Download [[Media:HelloWorld_UBW32.zip\|these]] Hardware Profile header files and the procdefs.ld file.

			* Extract these files into your PIC32 Project code folder

	HardwareProfile.h is a header file tells MPLAB which specific hardware profile to use, based on the		HardwareProfile.h is a header file tells MPLAB which specific hardware profile to use, based on the
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	This [http://www.paintyourdragon.com/uc/ubw32/index.html website] warns that if the procdefs linker file is not in the project the bootloader may be damaged or erased.		This [http://www.paintyourdragon.com/uc/ubw32/index.html website] warns that if the procdefs linker file is not in the project the bootloader may be damaged or erased.

	*Create a new folder called HelloWorld and ~~put~~ the downloaded files in this folder.		*Create a new folder called HelloWorld and copy the downloaded files in this folder (ie each project will need to have these files copied into the folder)

	*Open MPLAB		*Open MPLAB

Andrew Long: /* Create a New Project */

2010-04-22T02:12:04Z

Create a New Project

← Older revision		Revision as of 21:12, 21 April 2010
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	__TOC__		__TOC__
	=Create a New Project=		=Create a New Project=
	*Download [[Media:HelloWorld_NU32.zip\|these]] HardwareProfile header files and the procdefs.ld file.		*For NU32 board: Download [[Media:HelloWorld_NU32.zip\|these]] HardwareProfile header files and the procdefs.ld file.
			*For UBW32 board: Download [[Media:HelloWorld_UBW32.zip\|these]] Hardware Profile header files and the procdefs.ld file.

	HardwareProfile.h is a header file tells MPLAB which specific hardware profile to use, based on the		HardwareProfile.h is a header file tells MPLAB which specific hardware profile to use, based on the

Andrew Long: /* HelloWorld Code */

2010-01-05T18:04:33Z

HelloWorld Code

← Older revision		Revision as of 13:04, 5 January 2010
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	/* HelloWorld		/* HelloWorld
	* main.c		* main.c
	* For the NU32 PIC32 board.		* For the NU32 PIC32 board.
	*/		*/

	#include "Compiler.h" // tells MPLAB which compiler to use
	#include "HardwareProfile.h" // info on how the PIC is used, based on the constant you defined above		#include "HardwareProfile.h" // info on how the PIC is used, based on the constant you defined above
	#define SYS_FREQ (80000000L) // system clock is 80 MHz

	~~void~~ main(void)		int main(void)
	{		{
	SYSTEMConfigPerformance(SYS_FREQ); // tell PIC its operating frequency		SYSTEMConfigPerformance(SYS_FREQ); // tell PIC its operating frequency

Lynch: /* HelloWorld Code */

2009-12-18T06:58:56Z

HelloWorld Code

← Older revision		Revision as of 01:58, 18 December 2009
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	void main(void)		void main(void)
	{		{

	SYSTEMConfigPerformance(SYS_FREQ); // tell PIC its operating frequency		SYSTEMConfigPerformance(SYS_FREQ); // tell PIC its operating frequency
	mInitAllLEDs(); // initialize LED pins, defined in HardwareProfile_NU32.h		mInitAllLEDs(); // initialize LED pins, defined in HardwareProfile_NU32.h

Lynch: /* HelloWorld Code */

2009-12-18T06:57:52Z

HelloWorld Code

← Older revision		Revision as of 01:57, 18 December 2009
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	{		{

	SYSTEMConfigPerformance(SYS_FREQ); // tell PIC ~~it's~~ operating frequency		SYSTEMConfigPerformance(SYS_FREQ); // tell PIC its operating frequency
	mInitAllLEDs(); // initialize LED pins, defined in HardwareProfile_NU32.h		mInitAllLEDs(); // initialize LED pins, defined in HardwareProfile_NU32.h

Lynch: /* HelloWorld Code */

2009-12-18T06:57:32Z

HelloWorld Code

← Older revision		Revision as of 01:57, 18 December 2009
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	#include "Compiler.h" // tells MPLAB which compiler to use		#include "Compiler.h" // tells MPLAB which compiler to use
	#include "HardwareProfile.h" // info ~~about~~ how the PIC is used ~~on your board~~, based on the constant you defined		#include "HardwareProfile.h" // info on how the PIC is used, based on the constant you defined above
	#define SYS_FREQ (80000000L) // system clock is 80 MHz		#define SYS_FREQ (80000000L) // system clock is 80 MHz

Lynch: /* HelloWorld Code */

2009-12-18T06:56:30Z

HelloWorld Code

← Older revision		Revision as of 01:56, 18 December 2009
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	* For the NU32 PIC32 board.		* For the NU32 PIC32 board.
	*/		*/


	#include "Compiler.h" // tells MPLAB which compiler to use		#include "Compiler.h" // tells MPLAB which compiler to use
	#include "HardwareProfile.h" // info about how the PIC is used on your board, based on the constant you defined		#include "HardwareProfile.h" // info about how the PIC is used on your board, based on the constant you defined
	#define SYS_FREQ (80000000L) // system clock is 80 MHz		#define SYS_FREQ (80000000L) // system clock is 80 MHz


	void main(void)		void main(void)
	{		{


	SYSTEMConfigPerformance(SYS_FREQ); // tell PIC it's operating frequency		SYSTEMConfigPerformance(SYS_FREQ); // tell PIC it's operating frequency
	mInitAllLEDs(); // initialize LED pins, defined in HardwareProfile_NU32.h		mInitAllLEDs(); // initialize LED pins, defined in HardwareProfile_NU32.h


	while(1) { // loop forever		while(1) { // loop forever
	if(swUser) { // swUser is high (true) until pressed		if(swUser) { // swUser is high (true) until pressed

Lynch: /* HelloWorld Code */

2009-12-18T06:55:26Z

HelloWorld Code

@@ Line 60: / Line 60: @@
 You are now ready to edit your new main.c file.  You can write your programs in any text editor you are comfortable with and cut and paste to MPLAB, or you can write your code directly in the MPLAB editor.  For now, you can simply cut and paste the code below into your main.c file.
  #include "Compiler.h"          // tells MPLAB which compiler to use
- #include "HardwareProfile.h"    // gives MPLAB info about how the PIC is used on your board, based on the constant you defined above
+ #include "HardwareProfile.h"    // info about how the PIC is used on your board, based on the constant you defined
-         if(swUser)
+     if(swUser) {                     // swUser is high (true) until pressed
+       mLED_0_Off();
-            mLED_0_Off();
+       mLED_1_On();
-            mLED_1_On();
+       mLED_2_Off();
-            mLED_2_Off();
+       mLED_3_On();
-            mLED_3_On();
-         else
+       mLED_0_On();
+       mLED_1_Off();
-            mLED_0_On();
+       mLED_2_On();
-            mLED_1_Off();
+       mLED_3_Off();
-            mLED_2_On();
 To load this program to the PIC with the bootloader, we need a hex file. MPLAB creates a hex file in the project folder when you compile the program.

Lynch: /* HelloWorld Code */

2009-12-18T06:47:28Z

HelloWorld Code

← Older revision		Revision as of 01:47, 18 December 2009
Line 61:		Line 61:

	First include these header files. Compiler.h tells MPLAB which compiler to use. HardwareProfile.h tells MPLAB which HardwareProfile to use based on the constant you defined above.		First include these header files. Compiler.h tells MPLAB which compiler to use. HardwareProfile.h tells MPLAB which HardwareProfile to use based on the constant you defined above.
	#include "Compiler.h"		#include "Compiler.h" // tells MPLAB which compiler to use
	#include "HardwareProfile.h"		#include "HardwareProfile.h" // gives MPLAB info about how the PIC is used on your board, based on the constant you defined above

	Define a constant for the System Frequency. Here we are using 80MHz. You don't necessarily need to make this constant, but it is good practice if you are using SYS_FREQ multiple times (not in this program).		Define a constant for the System Frequency. Here we are using 80MHz. You don't necessarily need to make this constant, but it is good practice if you are using SYS_FREQ multiple times (not in this program).

Lynch: /* HelloWorld Code */

2009-12-18T06:45:58Z

HelloWorld Code

@@ Line 58: / Line 58: @@
 This program will turn on the second and fourth LEDs on the NU32 board. When the USER switch is pressed, these LEDs will turn off and the first and third LEDs will turn on.
-You are now ready to edit your new main.c file.  You can write your programs in any text editor you are comfortable with and cut and paste to MPLAB, or you can write your code directly in the MPLAB editor.
+You are now ready to edit your new main.c file.  You can write your programs in any text editor you are comfortable with and cut and paste to MPLAB, or you can write your code directly in the MPLAB editor.  For now, you can simply cut and paste the code below into your main.c file.
 First include these header files. Compiler.h tells MPLAB which compiler to use. HardwareProfile.h tells MPLAB which HardwareProfile to use based on the constant you defined above.