ELEC 4601 Microprocessor Systems

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ELEC 4601 Microprocessor Systems

• Lab 5 Tutorial
• Introduction to PIC Board

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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.

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PIC Board
4
Wiring up the board
LEDs
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PIC board with debugger
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Introduction to MPLAB IDE

• Start MPLAB IDE v8.15a
• Select Project
• Select Project Wizard
• Click Next
• Device -gt PIC16F917
• Click Next
• Active Toolsuite -gt HI-TECH Universal Toolsuite
• HI-TECH ANSI C Compiler
• Click Next

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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 -gt New
• Save file as .c

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Compiling your project

• Type in the following
• include lthtc.hgt
• void main(void)
• In the project window, add the .c file to list of
  source files.
• Click Project-gtbuild.

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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-gtSettings. 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

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Continued

• Select Program
• Click Program

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Program
Bring board out of reset
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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