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AVR_Capt.c
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AVR_Capt.c
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//
// Tastenblinky.c
// Tastenblinky
//
// Created by Sysadmin on 03.10.07.
// Copyright Ruedi Heimlihcer 2007. All rights reserved.
//
#include <avr/io.h>
#include <avr/delay.h>
#include <avr/interrupt.h>
//#include <avr/pgmspace.h>
//#include <avr/sleep.h>
#include <inttypes.h>
//#define F_CPU 4000000UL // 4 MHz
#include <avr/delay.h>
#include "lcd.c"
#include "adc.c"
#include "utils.c"
#include "defines.h"
uint16_t loopCount0=0;
uint16_t loopCount1=0;
uint16_t loopCount2=0;
/*
#define TWI_PORT PORTC
#define TWI_PIN PINC
#define TWI_DDR DDRC
#define SDAPIN 4
#define SCLPIN 5
*/
volatile uint8_t Programmstatus=0x00;
uint8_t Tastenwert=0;
uint8_t TastaturCount=0;
volatile uint16_t Manuellcounter=0; // Countr fuer Timeout
uint16_t TastenStatus=0;
uint16_t Tastencount=0;
uint16_t Tastenprellen=0x01F;
void delay_ms(unsigned int ms)
/* delay for a minimum of <ms> */
{
// we use a calibrated macro. This is more
// accurate and not so much compiler dependent
// as self made code.
while(ms){
_delay_ms(0.96);
ms--;
}
}
// ACD https://www.avrprogrammers.com/howto/attiny-comparator
#define COMP_PORT PORTB
#define COMP_DDR DDRB
// Pins fuer Drive der RC
#define COMP_DRIVE_PIN_A 1
#define COMP_DRIVE_PIN_B 2
#define COMP_ADC_PORT PORTC
#define COMP_ADC_DDR DDRC
#define COMP_ADC_PIN_A 4
#define COMP_ADC_PIN_B 5
#define COMP_AIN_PORT PORTD
#define COMP_AIN_DDR DDRD
#define COMP_AIN0 6
#define COMP_AIN1 7
#define MULTIPLEX 1
volatile uint16_t captured_value;
volatile uint8_t captured;
volatile uint8_t overflow=0;
volatile uint8_t captAcounter=0;
volatile uint8_t captBcounter=0;
volatile uint16_t mittelwertA[4];
volatile uint16_t mittelwertB[4];
volatile uint8_t mposA=0;
volatile uint8_t mposB=0;
volatile uint8_t adckanal=0;
volatile uint16_t a=0;
volatile uint32_t waitcounter=0;
// end ACD
void timer1_comp(void)
{
// Set pin for driving resistor low.
COMP_DDR |= (1<<COMP_DRIVE_PIN_A);
COMP_PORT &= ~(1<<COMP_DRIVE_PIN_A);
COMP_DDR |= (1<<COMP_DRIVE_PIN_B);
COMP_PORT &= ~(1<<COMP_DRIVE_PIN_B);
// Disable the digital input buffers.
// DIDR = (1<<AIN1D) | (1<<AIN0D);
//if (MULTIPLEX)
{
// ADC-Eingaenge fuer Capt
COMP_ADC_DDR &= ~(1<<COMP_ADC_PIN_A);
COMP_ADC_PORT &= ~(1<<COMP_ADC_PIN_A);
COMP_ADC_DDR &= ~(1<<COMP_ADC_PIN_B);
COMP_ADC_PORT &= ~(1<<COMP_ADC_PIN_B);
// AIN0, AIN1 Eingang
COMP_AIN_DDR &= ~(1<<COMP_AIN0);
COMP_AIN_DDR &= ~(1<<COMP_AIN1);
SFIOR |= (1<<ACME);
//ADMUX = 3;
}
//ADCSRA =0;//| = (1<<ADEN); // disable ADC if necessary
ACSR = (1<<ACIC) | (1<<ACIS1) | (1<<ACIS0); // Comparator enabled, no bandgap, input capture.
// Timer...
TCCR1A = 0;
TCCR1B = (1<<CS10); // F_CPU / 1
TCCR1B |= (1<<ICES1); // Input capture on rising edge
TCNT1 = 0;
TIMSK |= (1<<TOIE1) | (1<<TICIE1); // Timer interrupts on capture and overflow.
}
ISR(TIMER1_CAPT_vect)
{
//OSZIA_HI;
//COMP_PORT &= ~(1<<COMP_DRIVE_PIN_A);
// Save the captured value and drop the drive line.
if (captured == 1)
{
;
}
if (captured == 0)
{
// captured_value = ICR1;
captAcounter++;
// Oberer Wert?
if (adckanal == COMP_ADC_PIN_B)
{
//OSZIA_LO;
captBcounter++;
mittelwertB[mposB++] = ICR1;
mposB &= 0x03;
COMP_PORT &= ~(1<<COMP_DRIVE_PIN_A);
captured = 1;
OSZIA_HI;
}
// unterer Wert
if (adckanal == COMP_ADC_PIN_A)
{
OSZIA_LO;
mittelwertA[mposA++] = ICR1;// Ringbuffer fuer gleitenden Mittelwert, position incrementieren
mposA &= 0x03;// auf 4 beschraenken
adckanal = COMP_ADC_PIN_B;
ADMUX = COMP_ADC_PIN_B & 0x07; // 5
//TCNT1 = 0; // Nur Zeit bis level B messen
//OSZIA_HI;
}
//TCNT1 = 0;
// captured = 1;
}
//TCNT1 = 0;
}
ISR(TIMER1_OVF_vect)
{
overflow++;
COMP_PORT &= ~(1<<COMP_DRIVE_PIN_A);
COMP_PORT &= ~(1<<COMP_DRIVE_PIN_B);
// If we overflowed, the capacitor is bigger than
// this range supports. Use a smaller series resistor.
}
void switchChannel (uint8_t channel) // https://github.com/Teknoman117/avr/blob/master/unsorted/mxx4lib/acomp.h
{ //switched the negative input pin of the Analog comparator in multiplexer mode
ADMUX = channel & 0x07; //set the multiplexer channel and mask unused buts
__asm ("NOP"); //wait 2 clock cycles
__asm ("NOP");
}
void slaveinit(void)
{
//LCD
LCD_DDR |= (1<<LCD_RSDS_PIN); //Pin 5 von PORT B als Ausgang fuer LCD
LCD_DDR |= (1<<LCD_ENABLE_PIN); //Pin 6 von PORT B als Ausgang fuer LCD
LCD_DDR |= (1<<LCD_CLOCK_PIN); //Pin 7 von PORT B als Ausgang fuer LCD
LOOPLED_DDR |= (1<<LOOPLED_PIN);
DDRB |= (1<<0); // HI fuer Spannungsteiler
PORTB |= (1<<0);
DDRB |= (1<<3); // HI fuer Spannungsteiler
PORTB |= (1<<3);
OSZIDDR |= (1<<PULSA); //Pin 0 von als Ausgang fuer OSZI
OSZIPORT |= (1<<PULSA); // HI
}
uint16_t floatmittel(uint16_t* werte)
{
uint8_t pos=4;
uint16_t mittel =0;
while (pos--)
{
mittel += werte[pos]/4;
}
return mittel;
}
int main (void)
{
slaveinit();
lcd_initialize(LCD_FUNCTION_8x2, LCD_CMD_ENTRY_INC, LCD_CMD_ON);
lcd_puts("Guten Tag\0");
delay_ms(1000);
lcd_cls();
lcd_puts("READY");
delay_ms(1000);
lcd_gotoxy(0,0);
lcd_puts(" ");
// timer 1 einrichten
timer1_comp();
sei();
#pragma mark while
while (1)
{
loopCount0 ++;
//_delay_ms(2);
//COMP_PORT ^= (1<<COMP_DRIVE_PIN_A);
if (loopCount0 >=0x0AFF)
{
//LOOPLED_PORT ^= (1<<LOOPLED_PIN);
loopCount1++;
if ((loopCount1 >0x0080) && (!(Programmstatus & (1<<MANUELL))))
{
//PORTB ^= (1<<1);
// Werte reset
captured_value=0;
captured = 0;
// Kanal waehlen
adckanal = COMP_ADC_PIN_A;
ADMUX = COMP_ADC_PIN_A & 0x07; // 4
// counter reset
TCNT1 = 0;
// Pin HI
COMP_PORT |= (1<<COMP_DRIVE_PIN_A);
waitcounter=0;
// OSZIA_LO;
while (!captured);
/*
while ((!captured) || (waitcounter < 0xFFA))
{
waitcounter++;
//lcd_gotoxy(16,1);
//lcd_putint(waitcounter);
}; // warten, captured wird in ISR gesetzt
*/
//OSZIA_HI;
//_delay_us(100);
/*
captured_value=0;
captured = 0;
adckanal = COMP_ADC_PIN_B;
ADMUX = COMP_ADC_PIN_B & 0x07; // 5
TCNT1 = 0;
COMP_PORT |= (1<<COMP_DRIVE_PIN_B);
waitcounter=1;
while ((!captured) || (waitcounter == 0))
{
waitcounter++;
}; // warten, captured wird in ISR gesetzt
lcd_gotoxy(16,1);
lcd_putc('w');
lcd_putint(waitcounter);
*/
lcd_gotoxy(16,0);
lcd_putc('o');
lcd_putint(overflow);
// captured_value=0;
lcd_gotoxy(0,0);
lcd_puts("A:");
lcd_putint16(floatmittel((void*)mittelwertA));
lcd_gotoxy(0,1);
lcd_puts("B:");
lcd_putint16(floatmittel((void*)mittelwertB));
lcd_puts(" D:");
lcd_putint16(floatmittel((void*)mittelwertB)-floatmittel((void*)mittelwertA));
//lcd_gotoxy(8,1);
//lcd_puts("cB:");
//lcd_putint(captBcounter);
captured = 0;
LOOPLED_PORT ^= (1<<LOOPLED_PIN);
loopCount1=0;
}
loopCount0 =0;
}
#pragma mark Tastatur
/* ******************** */
if (TASTATUR_ON)
{
initADC(TASTATURPIN);
Tastenwert=(readKanal(TASTATURPIN)>>2);
// lcd_gotoxy(3,1);
// lcd_putint(Tastenwert);
// Tastenwert=0;
if (Tastenwert>5)
{
/*
0: 1 2 3
1: 4 5 6
2: 7 8 9
3: x 0 y
4: Schalterpos -
5: Manuell ein
6: Schalterpos +
7:
8:
9:
12: Manuell aus
*/
TastaturCount++;
if (TastaturCount>=200)
{
lcd_gotoxy(17,1);
lcd_puts("T: \0");
//lcd_putint(Tastenwert);
uint8_t Taste=Tastenwahl(Tastenwert);
//Taste=0;
lcd_gotoxy(19,1);
lcd_putint1(Taste);
//delay_ms(600);
// lcd_clr_line(1);
TastaturCount=0;
Tastenwert=0x00;
uint8_t i=0;
uint8_t pos=0;
// lcd_gotoxy(18,1);
// lcd_putint2(Taste);
switch (Taste)
{
case 0:// Schalter auf Null-Position
{
if (Programmstatus & (1<<MANUELL))
{
Manuellcounter=0;
Programmstatus |= (1<<MANUELLNEU);
/*
lcd_gotoxy(13,0);
lcd_puts("S\0");
lcd_gotoxy(19,0);
lcd_putint1(Schalterposition); // Schalterstellung
lcd_gotoxy(0,1);
lcd_puts("SI:\0");
lcd_putint(ServoimpulsdauerSpeicher); // Servoimpulsdauer
lcd_gotoxy(5,0);
lcd_puts("SP\0");
lcd_putint(Servoimpulsdauer); // Servoimpulsdauer
*/
}
}break;
case 1: //
{
if (Programmstatus & (1<<MANUELL))
{
Manuellcounter=0;
}
}break;
case 2://
{
if (Programmstatus & (1<<MANUELL))
{
Manuellcounter=0;
}
}break;
case 3: // Uhr aus
{
if (Programmstatus & (1<<MANUELL))
{
uint8_t i=0;
Manuellcounter=0;
}
}break;
case 4://
{
uint8_t i=0;
}break;
case 5://
{
Programmstatus |= (1<<MANUELL); // MANUELL ON
Manuellcounter=0;
MANUELL_PORT |= (1<<MANUELLPIN);
Programmstatus |= (1<<MANUELLNEU);
lcd_clr_line(1);
/*
lcd_gotoxy(13,0);
lcd_puts("S\0");
lcd_putint1(Schalterposition); // Schalterstellung
lcd_gotoxy(0,1);
lcd_puts("SP:\0");
lcd_putint(ServoimpulsdauerSpeicher); // Servoimpulsdauer
lcd_gotoxy(5,0);
lcd_puts("SI\0");
lcd_putint(Servoimpulsdauer); // Servoimpulsdauer
*/
}break;
case 6://
{
}break;
case 7:// Schalter rückwaerts
{
if ((Programmstatus & (1<<MANUELL)) )
{
Manuellcounter=0;
Programmstatus |= (1<<MANUELLNEU);
//OSZIALO;
/*
lcd_gotoxy(13,0);
lcd_puts("S\0");
lcd_putint1(Schalterposition); // Schalterstellung
lcd_gotoxy(0,1);
lcd_puts("SP:\0");
lcd_putint(ServoimpulsdauerSpeicher); // Servoimpulsdauer
lcd_gotoxy(5,0);
lcd_puts("SI\0");
lcd_putint(Servoimpulsdauer); // Servoimpulsdauer
//OSZIAHI;
*/
}
else
{
}
}break;
case 8://
{
}break;
case 9:// Schalter vorwaerts
{
Manuellcounter=0;
if ((Programmstatus & (1<<MANUELL)) )
{
//OSZIALO;
Programmstatus |= (1<<MANUELLNEU);
/*
lcd_gotoxy(13,0);
lcd_puts("S\0");
lcd_putint1(Schalterposition); // Schalterstellung
lcd_gotoxy(0,1);
lcd_puts("SP:\0");
lcd_putint(ServoimpulsdauerSpeicher); // Servoimpulsdauer
lcd_gotoxy(5,0);
lcd_puts("SI\0");
lcd_putint(Servoimpulsdauer); // Servoimpulsdauer
//OSZIAHI;
*/
}
else
{
//lcd_gotoxy(10,0);
//lcd_puts("S:!\0");
}
}break;
case 10:// *
{
}break;
case 11://
{
}break;
case 12: // # Normalbetrieb einschalten
{
Programmstatus &= ~(1<<MANUELL); // MANUELL OFF
Programmstatus &= ~(1<<MANUELLNEU);
MANUELL_PORT &= ~(1<<MANUELLPIN);
}
}//switch Tastatur
// delay_ms(400);
// lcd_gotoxy(18,1);
// lcd_puts(" "); // Tastenanzeige loeschen
}//if TastaturCount
}
} // if TASTATUR_ON
}
return 0;
}