Hoi ve Driver LCD 4 bit trong CCS???

[nguyenductu2310]

Em CODE sửa lại chút thôi.
Lưu ý sơ đồ mạch bạn nhé, đấu thiếu không chạy đâu.
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Code:

#include <16f877a.h>
#include <lcd.c>
#fuses NOWDT,HS,PUT,NOPROTECT 
#use delay(clock=20000000)

void main()
{
   setup_adc_ports(NO_ANALOGS);
   setup_adc(ADC_OFF);
   setup_psp(PSP_DISABLED);
   setup_spi(SPI_SS_DISABLED);
   setup_timer_0(RTCC_INTERNAL|RTCC_DIV_1);
   setup_timer_1(T1_DISABLED);
   setup_timer_2(T2_DISABLED,0,1);
   setup_comparator(NC_NC_NC_NC);
   setup_vref(FALSE);
   set_tris_b(0x00);
   set_tris_d(0x00);
   output_b(0x00);
   output_d(0x00); 
   lcd_init();
   
   // TODO: USER CODE!!
   while(true)
   {
   lcd_putc("welcome");
   output_b(0xff);
   delay_ms(500);
   output_b(0x00);
   delay_ms(500);
   }
}