User manual

MPLAB

REAL ICE

™

In-Circuit Emulator User’s Guide

FIGURE 4-1: MPLAB

IDE DESKTOP

4.2.1 Selecting the Device

To select the device for this tutorial:

1. Select Configure>Select Device

2. In the Device Selection dialog, choose “PIC24FJ128GA010” from the Device list

box. The light icon next to “MPLAB REAL ICE” in the “Microchip Tool

Programmer/Debugger Tool Support” sections should be green.

3. Click OK.

4.2.2 Selecting the Emulator as a Debugger

To select MPLAB REAL ICE in-circuit emulator as a debugger, select Debugger>Select

Tool>REAL ICE. Then:

1. The Output window will open to display connection information. Depending on

the version of MPLAB IDE or the device selected, a message box may appear

indicating that the firmware needs to be updated. MPLAB IDE will automatically

install the new firmware. Also, since different MPLAB REAL ICE firmware is used

for different families of devices, this message box may appear when switching to

a different device.

2. The Debugger menu will show available emulator debug options.

3. A Debug toolbar will appear. Mouseover a button to see a pop-up of its function.

4.3 CREATING THE APPLICATION CODE

For this tutorial, two C programs will be used. The code for each is shown below.

1. Using Windows

Explorer, create a project folder.

2. Open an editor window by selecting File>New

. Enter the code for the first

program (counter.c) in this window and save to the project folder.

3. Open another editor window by selecting File>New

. Enter the code for the

second program (timer.c) in this window and save to the project folder.