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esqueletoCode.c
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esqueletoCode.c
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#include <esqueletoCode.h>
#use rs232(baud=9600,parity=N,xmit=PIN_C6,rcv=PIN_C7,bits=8)
#use i2c(Master,fast,sda=PIN_C4,scl=PIN_C3)
#include<LCD.C>
#include "EEPROM_24512.c" //Ficheros driver de los periféricos
#include "TEMP_ds1621.c"
#include <floatee.c>
#include <float.h>
#define LCD_ENABLE_PIN PIN_D0
#define LCD_RS_PIN PIN_D1
#define LCD_RW_PIN PIN_D2
#define LCD_DATA4 PIN_D4
#define LCD_DATA5 PIN_D5
#define LCD_DATA6 PIN_D6
#define LCD_DATA7 PIN_D7
char ch='0',estado='0';
#INT_CCP1
void CCP1_isr()
{
if (flag==0)
{
set_timer1(55);//Empezar contador
flag=1;
}else
{
captura=CCP_1;
flag=0;
}
clear_interrupt(INT_CCP1);
}
#int_rda
void serial_isr(){
ch=getchar();
printf("%c Recibido \r",ch);
//puts("Recibido");
}
float tempLM35();
float pressureMPX4250();
void tempI2C();
void main()
{
//ADC
setup_adc_ports(sAN0);
setup_adc_ports(sAN1);
setup_adc(ADC_CLOCK_INTERNAL);
//Interrupciones
enable_interrupts(global);
enable_interrupts(PERIPH);
enable_interrupts(int_rda);
enable_interrupts(INT_CCP1);//Activar interrupciones por ccp1
//Timer1
setup_timer_1(T1_INTERNAL|T1_DIV_BY_1);
setup_ccp1(CCP_CAPTURE_RE);
//LCD instrucciones iniciales
lcd_init();
lcd_gotoxy(1,1);
printf(lcd_putc,"SistemaMultitask");
lcd_gotoxy(1,2);
printf(lcd_putc,"EAE, JVLP y JALP");
delay_ms(1000);
//FSM
estado='0';
float temperatura,presion;
int16 freq=0;
while(TRUE)
{
switch(estado){
case '0':
lcd_gotoxy(1,1);
printf(lcd_putc," MENU PRINCIPAL ");
lcd_gotoxy(1,2);
printf(lcd_putc," Valor %c ",ch);
if(ch!='9'&&ch!='#')
estado=ch;
break;
case '1':
temperatura=tempLM35();
lcd_gotoxy(1,1);
printf(lcd_putc," Sensor LM35 ");
lcd_gotoxy(1,2);
printf(lcd_putc," Temp = %02.1f C\n",temperatura);
if(ch=='9'){
estado='0';
}
break;
case '2':
presion=pressureMPX4250();
lcd_gotoxy(1,1);
printf(lcd_putc," Sensor MPX4250 ");
lcd_gotoxy(1,2);
printf(lcd_putc,"Presion=%03.0f Pa\n",presion);
if(ch=='9'){
estado='0';
}
break;
case '3':
tempI2C();
lcd_gotoxy(1,1);
printf(lcd_putc," Sensor DS1621 ");
//lcd_gotoxy(1,2);
//printf(lcd_putc," Valor %c ",ch);
if(ch=='9'){
estado='0';
}
break;
case '4':
lcd_gotoxy(1,1);
printf(lcd_putc," Interruptores ");
lcd_gotoxy(1,2);
printf(lcd_putc," Valor %c ",ch);
if(ch=='9'){
estado='0';
}
break;
case '5':
freq=(1000000/captura);
lcd_gotoxy(1,1);
printf(lcd_putc," Frecuencia ");
lcd_gotoxy(1,2);
printf(lcd_putc," freq=%04lu Hz",freq);
delay_ms(500);
if(ch=='9'){
estado='0';
}
break;
case '6':
lcd_gotoxy(1,1);
printf(lcd_putc," Control PWM ");
lcd_gotoxy(1,2);
printf(lcd_putc," Valor %c ",ch);
if(ch=='#'){
estado='0';
}
break;
case '7':
lcd_gotoxy(1,1);
printf(lcd_putc," Servomotor ");
lcd_gotoxy(1,2);
printf(lcd_putc," Valor %c ",ch);
if(ch=='#'){
estado='0';
}
break;
case '8':
lcd_gotoxy(1,1);
printf(lcd_putc,"Generador tonos");
lcd_gotoxy(1,2);
printf(lcd_putc," Valor %c ",ch);
if(ch=='#'){
estado='0';
}
break;
default:
estado='0';
break;
}
}
}
float tempLM35(){
float temp;
int16 adc;
set_adc_channel(0);
delay_us(20);
adc=read_adc();
temp=(500.0*adc)/1024.0;
delay_ms(500);
return temp;
}
float pressureMPX4250(){
float pressure;
int16 adc;
set_adc_channel(1);
delay_us(20);
adc=read_adc();
pressure=adc/3.988;
delay_ms(500);
return pressure;
}
void tempI2C(){
int16 address=0;
float dato;
init_temp(0x01); //Inicializa el DS1621
delay_ms(100);
dato = read_full_temp(0x01); //Lee temperatura del DS1621
WRITE_FLOAT_EXT_EEPROM(address,dato); //Guarda 4 bytes del FLOAT
address=address+4;
lcd_gotoxy(1,2);
printf(lcd_putc,"Temp=%4.1f C\n",dato); //Visualiza en LCD la temperatura
if (address==0xffff) address=0;
delay_ms(200);
}