Hardware/PICEBS3/Welcome

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[[Media:easypic-PRO-v8-schematic.pdf|PICEBS 3 - EasyPICPro v8 schematic]]
 
[[Media:easypic-PRO-v8-schematic.pdf|PICEBS 3 - EasyPICPro v8 schematic]]
  
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|| PIC EBS with PIC 18F97J94 @ 64MHz
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LCD 800x 480 capacitive touchscreen
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LCD 2x16 chars
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CAN FD controller
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[[Hardware/PICEBS3/Welcome|HES-SO PICEBS3 Detailled description]]
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Here is a list of the main PICEBS3's characteristics:
 
Here is a list of the main PICEBS3's characteristics:

Revision as of 11:21, 12 March 2021

Contents

Welcome to the PICEBS3 wiki

PICEBS3 is the name of a small embedded computer board targeted at teaching embedded systems programming based on the Mikroe EasyPicPro v8 board. As its name suggests, it is the third iteration of a successful family of Microchip PIC board.

The Mikroe board has been just modified for our laboratories usage.

Please note that, as a student, you can loan a board for free during your studies to work at home ;-) Just ask the laboratory responsible Pascal Sartoretti (sap) for the procedure to follow.

PICEBS3.jpg

We, the PICEBS3 team, provide a comprehensive solution for

  • Practical work for HEI course Information systems given in second year.
  • All kind of project featuring a small-sized micro-controller.


What can be done with the PICEBS3?

The board is powerful enough to run applications with:

  • LCD and touch screen interface
  • Serial port usage (UART)
  • CAN interface
  • ...

To program this board, you do not require an external programming probe, as it already includes a "Microchip Snap"system for programming and debugging. All you need is an USB port and the free MPLAB-X IDE. Caution, the USB câble has to be an USB-A cable.

Hardware

Type Photo Schematic Documentation Description
V3 PICEBS3.jpg PICEBS 3 Box

PICEBS 3 - EasyPICPro v8 schematic

CPU board 18F97J94

Mikrobus CAN MCP2518FD

LCD capacitive 800x480

LCD 2x16 chars

CPU PIC18F97J94 datasheet 
LCD controller SSD1963 datasheet 
CAN FD controller MCP2518FD datasheet 


PIC EBS with PIC 18F97J94 @ 64MHz

LCD 800x 480 capacitive touchscreen

LCD 2x16 chars

CAN FD controller

HES-SO PICEBS3 Detailled description


Here is a list of the main PICEBS3's characteristics:

  • CPU PIC18F97J94
    • High range PIC18 family with 128kB Flash & 4kB RAM, Lite PPS
    • 12 bits ADC
    • 9 timers
    • 4 UART, 2 SPI, 2 I2C
    • USB
    • ...
  • Onboard SNAP debugger (not on EasyPicPro v8 standard)
    • Compatible with MPLABX (uage of USB-A cable is mandatory)
  • I/O ports
    • 10 ports with optional led
    • each of them with a button (pull-up or pull-down selectable)
    • Capacitive multi points touch screen
  • LCD Display
    • 800x480
    • Backlight
    • Capacitive multi points touch screen
  • Networking and communication
    • CAN bus
    • RS232 (throuth USB FTDI)
    • USB interface (device, low or full speed)
    • Ethernet interface(not with the CPU module PIC18F97J94)
  • Development
    • Almost all CPU pins are available on connectors
    • CPU current measure available on a 1 ohm resistor (not on EasyPicPro v8 standard)

Software

To access these files on hevs gitlab, choose the user: "hevslabs" with the password: "hevslabs" !

Tips & tricks

  • CPU speed control
// to work at maximum CPU speed (64MHz) insert following code at start.
   OSCCON3 = 0;            // for 64MHz cpu clock (default is 32MHz)
   ...
  • Assembler example
#include <xc.inc>  
main:    
 	movlw    0x00        ; move literal value 0x00 to W
 	movwf    TRISH,a     ; move the content of W to TRISH, (access bank)
	movlb	 0x01	     ; select bank
 	movwf    0x125,b     ; move W to memory position 0x125 (banked) 
loop:
 	goto loop
    end main
  • Change one bit on a port
// to change one bit on a port, use LATx and not PORTx
   LATH2 = 1;            // turn led on for example
   ...
  • Interrupt implementation with compiler 2.0 or above
void __interrupt(high_priority) AnyISR(void)
{
  if(INT0IF == 1)
  {
    ...
  }
}

Bugs, issues, questions and comments

Feel free to contact the PICEBS3 team if you encounter a problem. Do not forget to have a look at the Tips & tricks section.

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