Include “modedefs.bas” @ Device PIC16F877,XT_OSC,WDT_off,PWRT_off,PROTECT_off ,BOD_Off define adc_bits 8 define osc 4 DEFINE LCD_DREG PORTD DEFINE LCD_DBIT 4 DEFINE LCD_RSREG PORTD DEFINE LCD_RSBIT 1 DEFINE LCD_EREG PORTD DEFINE LCD_EBIT 0 low portD.2 trisa = $ff trisb = $00 TRISD = $00 adcon1 = 7 temperature VAR WORD count_remain VAR BYTE count_per_c VAR BYTE sV var […]
One wire bus (DS1820) Control For Basic PRO Compiler Read More »
#include <16F877.h> #device adc=8 #FUSES NOWDT ,XT #use delay(clock=4000000) int8 x,k; 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); set_tris_b(0x00); output_b(0); k=0; x=0x01; while(true) { for(k=0;k<=7;++k){ output_b (x); delay_ms(150); shift_left(&x,1,0); } x = 0x80; k = 0; for(k=0;k<=7;++k){ output_b (x); delay_ms(150); shift_right(&x,1,0); } x = 0x01; k = 0; } }
Shift left – shift right value For CSS Compiler Read More »
A Project entitled “PIC Microcontroller Unit” presented by Quezon City Polytechnic University (QCPU), Fourth year students of Bachelor of Science in Information Technology (BSIT), Major in Computer Technology. For the elecytive subject of “MIcroprocessor”. Submitted by Group number two(2) and to be submitted to Professor Ambito. For School Year 2012-2013, Second Semester. Group Members: Graellos
PIC Microcontroller Unit(PIC16F877A) Read More »
Interrupts are special events that require immediate attention. They cause the processor to cease the running task to serve a special task for which the interrupt event had occurred. After the special task is over, the processor resumes performing the original task. The processor can also serve these events by polling method. But polling is
How to work with External (Hardware) Interrupts of PIC18F4550 Read More »
PIC is a family of modified Harvard architecture microcontrollers made by Microchip Technology, derived from the PIC1650[1][2][3] originally developed by General Instrument‘s Microelectronics Division. The name PIC initially referred to “Peripheral Interface Controller“.[4][5] PICs are popular with both industrial developers and hobbyists alike due to their low cost, wide availability, large user base, extensive collection of application notes, availability of low cost
PIC Microcontroller Video Tutorial Series Read More »
This experiment turns on a LED when a whistle is detected. The LED turns off when the whistle is detected for the second time. ;Expt11b.asm ;Project: Whistle-On Whistle-Off List P = 16F84 #include <p16F84.inc> __CONFIG 1Bh ;_CP_OFF & _PWRTE_ON & _WDT_OFF & _RC_OSC SetUpDelay Delay1 DelayA Look Look1 Look2 Main Main1 Main2 Main3 ORG 00
Whistle-On Whistle-Off Read More »
This experiment turns on a LED when button A is pressed. The button is connected to the lowest bit of Port A (bit0). When the button is pressed, the line goes HIGH. This is called positive logic. The LED is connected to the lowest bit of Port B (Bit0). Any bit of any port can be
Turning on a LED using PIC16F84 Read More »
#include <16F877.h> #device adc=8 #FUSES NOWDT ,XT #use delay(clock=4000000) #include <Lcd_4bit.c> int8 value; void main() { setup_adc_ports(AN0_AN1_AN3); setup_adc(ADC_CLOCK_DIV_2); 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); set_adc_channel(0); set_tris_d(0x00); set_tris_A(0xff); Lcd_init(); while(true){ set_adc_channel(0); delay_ms(10); value = read_adc(); // 0-1023 Lcd_row_col(1,0); Lcd_putc(“setpoint=”); hex_bcd(value);lcd_row_col(1,9);sent_Lcd(); delay_ms(50); } }
Analog to digital 8 bits For CSS Compiler Read More »
#include <16F877.h> #device adc=8 #fuses NOWDT,HS, NOPUT, NOPROTECT, BROWNOUT, NOLVP, NOCPD, NOWRT, NODEBUG #use delay(clock=4000000) #include <Lcd_4bit.c> int16 value1,value2,value3,value4; void main(){ setup_adc_ports(NO_ANALOGS); setup_adc(ADC_OFF); set_tris_d(0x00); lcd_init(); lcd_row_col(1,0); lcd_putc(“Electrical Power”); delay_ms(20); lcd_row_col(2,0); lcd_putc(“Loei Technical “); delay_ms(20); lcd_row_col(3,0); lcd_putc(“www.kchimicro “); delay_ms(20); lcd_row_col(4,0); lcd_putc(“Pic controller “); delay_ms(5000); lcd_Clear(); lcd_init(); while(true){ value1 = 2568; value2 = 1278; value3 = 8887;
LCD Module Display 4 line For CSS Compiler Read More »
#include <16F877.h> #device adc=8 #fuses NOWDT,HS, NOPUT, NOPROTECT, BROWNOUT, NOLVP, NOCPD, NOWRT, NODEBUG #use delay(clock=4000000) #include <Lcd_4bit.c> int16 value,value1; void main(){ setup_adc_ports(NO_ANALOGS); setup_adc(ADC_OFF); set_tris_d(0x00); lcd_init(); lcd_row_col(1,0); lcd_putc(“Electrical Power”); delay_ms(20); lcd_row_col(2,0); lcd_putc(“Loei Technical “); delay_ms(5000); lcd_Cls(); while(true){ value = 2568; value1 = 1278; //================================== lcd_row_col(1,0); Lcd_putc(“setpoint=”); hex_bcd(value);lcd_row_col(1,9);sent_Lcd(); //delay_ms(100); //================================== lcd_row_col(2,0); Lcd_putc(“Value=”); hex_bcd(value1);lcd_row_col(2,6);sent_Lcd(); delay_ms(100); } }
LCD Module Display 2 line For CSS Compiler Read More »
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