micromacro Posted October 17, 2012 Report Share Posted October 17, 2012 Hello, I connected everything like on shematics. I made hex file after succesfull build in mikroC and burned it on pic16f628a... but all I get is black boxes in first row of my lcd. Can you tell me where am i going wrong. I have LCD with side connections like one in attachment..*/// LCD module connectionssbit 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// Define Messages char text1[] = "Testing LCD"; char text2[] = "using PIC16F628A"; char text3[] = "Test successful"; char text4[] = "in 4-bit mode";void main() { Lcd_Init(); // Initialize LCD do { Lcd_Cmd(_LCD_CLEAR); // Clear display Lcd_Cmd(_LCD_CURSOR_OFF); // Cursor off Lcd_Out(1,3,text1); // Write message1 in 1st row Lcd_Out(2,1,text2); // Write message1 in 2nd row Delay_ms(3000); // delay 3s Lcd_Cmd(_LCD_CLEAR); // Clear display Delay_ms(1000); // delay 1s Lcd_Out(1,2,text3); // Write message3 in 1st row Lcd_Out(2,3,text4); Delay_ms(3000); // delay 3s } while(1);} Quote Link to comment Share on other sites More sharing options...
micromacro Posted October 25, 2012 Author Report Share Posted October 25, 2012 ooops my mistake.. my LCD is 2x20 characters..maybe code needs to be modified? maybe this LCD has different initialization routine than 2x16 LCD code is written for?Thanks Quote Link to comment Share on other sites More sharing options...
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