tengo problemas para trabajar con este pic, lo que deseo es lo siguiente:
usar un pic 18f4550
trabajarlo con su oscilador interno a 4mhz (o la frecuencia que me recomienden)
usar el puerto D para conectar la LCD [16x2]
lo he realizado en PCWHD
y la simulacion en Proteus me lanza lo siguiente:
Attemped to read after writing a single nibble
controller received command whilst busy
el codigo que he hecho es el siguiente,
#include <18F4550.h>
#device adc=16
#FUSES NOWDT //No Watch Dog Timer
#FUSES WDT128 //Watch Dog Timer uses 1:128 Postscale
#FUSES PLL1 //No PLL PreScaler
#FUSES CPUDIV1 //No System Clock Postscaler
#FUSES INTEC //Internal Clock, EC used by USB
#FUSES NOBROWNOUT //No brownout reset
#FUSES NOPBADEN //PORTB pins are configured as digital I/O on RESET
#FUSES NOMCLR //Master Clear pin used for I/O
#FUSES NOLVP //No low voltage prgming, B3(PIC16) or B5(PIC18) used for I/O
#FUSES NOXINST //Extended set extension and Indexed Addressing mode disabled (Legacy mode)
#use delay(clock=20000000)
#include <lcd.c>
#define LCD_DB4 PIN_D4
#define LCD_DB5 PIN_D5
#define LCD_DB6 PIN_D6
#define LCD_DB7 PIN_D7
#define LCD_RS PIN_D1
#define LCD_RW PIN_D2
#define LCD_E PIN_D0
void main(){
while(true){
lcd_init();
delay_ms(1000);
lcd_gotoxy(1,1);
printf(lcd_putc,"\fHola");
lcd_gotoxy(1,2);
printf(lcd_putc,"Holaaaaa!!!!1");
delay_ms(1000);
}
}