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| /* Project: Unit 02 - LCD | |
| Code: unit_02_01_helloWorldLCD.c | |
| Objective: In this project we will work with LCD; | |
| How do you make text appears on lcd screen? | |
| WELCOME TO LCD'S HELLO WORLD! | |
| Note: Select on Library Manager the LCD library fo mokroC PRO for PIC:) | |
| Author: mikroelektronica, edited by J3 | |
| PIC Lessons: How to Start to Program PIC 18 - Step-by-step for Beginners! | |
| Hardware: Development Boards (OPTIONS): | |
| PicGenios: PIC18F4520 chip ( https://loja.microgenios.com.br/produto/kit-picgenios-pic18f4520-com-gravador-usb-microicd-licen-a-compilador-mikroc-pro-for-pic/23507 ) | |
| EasyPIC™ 7: PIC18F45K22 chip ( https://www.microchip.com/Developmenttools/ProductDetails/TMIK013 ) | |
| Software: Development Programmer/Debugger: | |
| PICkit™ 2 ( http://ww1.microchip.com/downloads/en/DeviceDoc/PICkit%202%20v2.61.00%20Setup%20A.zip ) | |
| mikroProg suite for PIC ( https://www.mikroe.com/blog/mikroprog-suite-for-pic-version-2-3-1-released ) | |
| The LCD is connected to the microcontroller as follows: | |
| easyPIC v7 board: microgenios board: | |
| Microcontroller LCD Microcontroller LCD | |
| =============== === =============== === | |
| RB0 D4 RB4 D4 | |
| RB1 D5 RB5 D5 | |
| RB2 D6 RB6 D6 | |
| RB3 D7 RB7 D7 | |
| RB4 E RB1 E | |
| RB5 R/S RB2 R/S | |
| GND RW GND RW | |
| PDL: is a free-format English-like text that describes the flow of control and data in a | |
| program. PDL is not a programming language. It is a collection of some keywords that enable | |
| a programmer to describe the operation of a program in a stepwise and logical manner: | |
| BEGIN | |
| Choose the board to work with (easyPIC or microgenios) | |
| Configure LCD module connections | |
| Configure PORTB as digital outputs | |
| Initialize the LCD | |
| Clear the LCD | |
| Set cursor off | |
| Write text on the first line | |
| Write text on the second line | |
| END | |
| Date: Oct 2019 | |
| */ | |
| // PIC18F45K22 - easyPIC v7 Board | |
| // LCD module connections | |
| /*sbit LCD_RS at RB4_bit; | |
| sbit LCD_EN at RB5_bit; | |
| sbit LCD_D4 at RB0_bit; | |
| sbit LCD_D5 at RB1_bit; | |
| sbit LCD_D6 at RB2_bit; | |
| sbit LCD_D7 at RB3_bit; | |
| sbit LCD_RS_Direction at TRISB4_bit; | |
| sbit LCD_EN_Direction at TRISB5_bit; | |
| sbit LCD_D4_Direction at TRISB0_bit; | |
| sbit LCD_D5_Direction at TRISB1_bit; | |
| sbit LCD_D6_Direction at TRISB2_bit; | |
| sbit LCD_D7_Direction at TRISB3_bit;*/ | |
| // End LCD module connections | |
| // picMicrogenios board | |
| sbit LCD_RS at LATE2_bit; | |
| sbit LCD_EN at LATE1_bit; | |
| sbit LCD_D4 at LATD4_bit; | |
| sbit LCD_D5 at LATD5_bit; | |
| sbit LCD_D6 at LATD6_bit; | |
| sbit LCD_D7 at LATD7_bit; | |
| sbit LCD_RS_Direction at TRISE2_bit; | |
| sbit LCD_EN_Direction at TRISE1_bit; | |
| sbit LCD_D4_Direction at TRISD4_bit; | |
| sbit LCD_D5_Direction at TRISD5_bit; | |
| sbit LCD_D6_Direction at TRISD6_bit; | |
| sbit LCD_D7_Direction at TRISD7_bit; | |
| // End LCD module connections | |
| // Loop variable | |
| void main(){ | |
| // For PIC18F45K22 | |
| #ifdef P18F45K22 | |
| ANSELB = 0; // Config all the PORTB's pins as digital | |
| #else // For PIC18F4520 | |
| ADCON1 |= 0X0F; // Config all ADC's pins as digital | |
| #endif | |
| Lcd_Init(); // Initialize LCD | |
| Lcd_Cmd(_LCD_CLEAR); // Clear display | |
| Lcd_Cmd(_LCD_CURSOR_OFF); // Cursor off | |
| Lcd_Out(1,1,"First Line"); // Write text in first row | |
| Lcd_Out(2,1,"Second Line"); // Write text in second row | |
| } |
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