ELEC 4601 Microprocessor Systems

Lab 5 Tutorial

Introduction to PIC Board

No more MASM

Lab 5 Introduction to MPLAB IDE

Create a new project Compile a project Transfer the program to the board

This lab will have 3 parts. They will involve polling timers and setting up interrupts.

PIC Board

Wiring up the boardLEDs

PIC board with debugger

Introduction to MPLAB IDE

Start MPLAB IDE v8.15a Select Project

Select Project Wizard… Click Next

Device -> PIC16F917 Click Next

Active Toolsuite -> HI-TECH Universal Toolsuite HI-TECH ANSI C Compiler

Click Next

Continued…

Create New Project File Choose an existing folder or create a folder and

choose a file name and click save Click Next

Skip Step Four by clicking next Select Finish Create a new file by selecting File -> New

Save file as ‘.c’

Compiling your project

Type in the following:#include <htc.h>

void main(void){

} In the project window, add the .c file to

list of source files. Click Project->build.

Programming the PIC board

Click Pogrammer Select Programmer

Choose MPLAB ICD 2 If you do not see “MPLAB ICD 2 ready for

next operation” message in the output log window, then select Programmer->Settings. Ensure that the settings are as follows: Under communication tab: Com Port is set to

USB Under power tab: Power target circuit from

MPLAB ICD 2 box is checked

Continued…

Select Program Click Program

Program Bring board out of reset

Register Access

Table 2-1 to Table 2-4 outline the register map for PIC processor.

They can be accessed by simply assigning them a value.

The following statement will clear Timer 0

TMR0 = 0x00;