Transcript ELEC 4601 Microprocessor Systems

ELEC 4601 Microprocessor Systems
Lab 5 Tutorial
Introduction to PIC Board
No more MASM
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Lab 5
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Introduction to MPLAB IDE
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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 board
LEDs
PIC board with debugger
Introduction to MPLAB IDE
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Start MPLAB IDE v8.15a
Select Project
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Select Project Wizard…
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Device -> PIC16F917
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Click Next
Click Next
Active Toolsuite -> HI-TECH Universal
Toolsuite
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HI-TECH ANSI C Compiler
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Click Next
Continued…
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Create New Project File
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Choose an existing folder or create a folder and
choose a file name and click save
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Click Next
Skip Step Four by clicking next
Select Finish
Create a new file by selecting File -> New
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Save file as ‘.c’
Compiling your project
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Type in the following:
#include <htc.h>
void main(void){
}
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In the project window, add the .c file to
list of source files.
Click Project->build.
Programming the PIC board
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Click Pogrammer
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Select Programmer
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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:
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Under communication tab: Com Port is set to
USB
Under power tab: Power target circuit from
MPLAB ICD 2 box is checked
Continued…
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Select Program
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Click Program
Program
Bring board out of reset
Register Access
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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;