Mikrokontrollersystemer-gruppe-4/mikrokontrollersystemer-prosjekt
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Elp03 2024-04-27 17:31:00 +02:00
parent e01c4d41ad
commit f0a435d578
3 changed files with 26 additions and 20 deletions
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26
prosjekt.X/fan_speeeed.c
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@ -22,41 +22,40 @@ void TCA0_update_period_ms() {
} }
uint16_t RPM_calculation(uint16_t fancounter, uint16_t time) { uint16_t RPM_calculation(uint16_t fancounter, uint16_t time) {
printf("time: %u", time);
fan_speed = (fancounter / time); fan_speed = (fancounter / time);
fan_speed = fan_speed/2; fan_speed = fan_speed/2;
fan_speed = fan_speed * 60/5; fan_speed = fan_speed * 60/5;
printf("falling edge: %u", fancounter);
fancounter = 0; fancounter = 0;
printf("falling edge: ", fancounter);
printf("fanspeed %u \n", fan_speed);
return fan_speed; return fan_speed;
} }
void init_fanports() { void init_fanports() {
// CONFIGURE PINS AS ANALOG INPUTS // CONFIGURE PINS AS ANALOG INPUTS
// PIN FOR FAN 1
PORTD.DIRSET &= ~PIN6_bm; PORTD.DIRSET &= ~PIN6_bm;
PORTD.PIN6CTRL &= ~ PORT_ISC_gm; PORTD.PIN6CTRL &= ~ PORT_ISC_gm;
PORTD.PIN6CTRL = PORT_ISC_INPUT_DISABLE_gc; PORTD.PIN6CTRL = PORT_ISC_INPUT_DISABLE_gc;
// PIN FOR FAN 2
PORTD.DIRSET &= ~PIN4_bm; PORTD.DIRSET &= ~PIN4_bm;
PORTD.PIN4CTRL &= ~ PORT_ISC_gm ; PORTD.PIN4CTRL &= ~ PORT_ISC_gm ;
PORTD.PIN4CTRL = PORT_ISC_INPUT_DISABLE_gc; PORTD.PIN4CTRL = PORT_ISC_INPUT_DISABLE_gc;
// PIN FOR REFRENCE
PORTD.DIRSET &= PIN7_bm; PORTD.DIRSET &= PIN7_bm;
PORTD.PIN7CTRL &= ~ PORT_ISC_gm ; PORTD.PIN7CTRL &= ~ PORT_ISC_gm ;
PORTD.PIN7CTRL = PORT_ISC_INPUT_DISABLE_gc; PORTD.PIN7CTRL = PORT_ISC_INPUT_DISABLE_gc;
} }
void init_ac0_fan1(){ void init_ac0(){
//Wincontroll disabled //Wincontroll disabled
AC0.CTRLB = 0x00; AC0.CTRLB = 0x00;
//SELECT POSITIVE AND NEGATIVE INPUTS FOR COMPARRISON //SELECT POSITIVE AND NEGATIVE INPUTS FOR COMPARRISON
// FAN USE PD6 & PD7, COMPARE WITH PD3 // FAN USE PD6 COMPARE WITH PD3
AC0.MUXCTRL = AC_MUXPOS_AINP3_gc | AC_MUXNEG_AINN2_gc; AC0.MUXCTRL = AC_MUXPOS_AINP3_gc | AC_MUXNEG_AINN2_gc;
//AC_MUXPOS_AINP1_gc
// ENABLE AC BY WRITING 1 TO ENABLE BIT IN ACN.CTRLA // ENABLE AC BY WRITING 1 TO ENABLE BIT IN ACN.CTRLA
AC0.CTRLA = AC_ENABLE_bm | AC_INTMODE_NORMAL_POSEDGE_gc | AC_OUTEN_bm; AC0.CTRLA = AC_ENABLE_bm | AC_INTMODE_NORMAL_POSEDGE_gc | AC_OUTEN_bm;
@ -66,12 +65,12 @@ void init_ac0_fan1(){
} }
void init_ac1_fan2(){ void init_ac1(){
//Wincontroll disabled //Wincontroll disabled
AC1.CTRLB = 0x00; AC1.CTRLB = 0x00;
//SELECT POSITIVE AND NEGATIVE INPUTS FOR COMPARRISON //SELECT POSITIVE AND NEGATIVE INPUTS FOR COMPARRISON
// FAN USE PD6 & PD7, COMPARE WITH PD3 // FAN USE PD4, COMPARE WITH PD3
AC1.MUXCTRL = AC_MUXPOS_AINP2_gc | AC_MUXNEG_AINN2_gc; AC1.MUXCTRL = AC_MUXPOS_AINP2_gc | AC_MUXNEG_AINN2_gc;
// ENABLE AC BY WRITING 1 TO ENABLE BIT IN ACN.CTRLA // ENABLE AC BY WRITING 1 TO ENABLE BIT IN ACN.CTRLA
@ -85,27 +84,22 @@ void init_ac1_fan2(){
ISR(AC0_AC_vect){ // AC0 vec flag ISR(AC0_AC_vect){ // AC0 vec flag
cli(); cli();
falling_edge_counter_1++; falling_edge_counter_1++;
printf("ac0");
AC0.STATUS |= 0x10; //CMP flag to 0 AC0.STATUS |= 0x10; //CMP flag to 0
sei(); sei();
} }
ISR(AC1_AC_vect){ // AC0 vec flag ISR(AC1_AC_vect){ // AC1 vec flag
cli(); cli();
falling_edge_counter_2++; falling_edge_counter_2++;
printf("ac1");
AC1.STATUS |= 0x10; //CMP flag to 0 AC1.STATUS |= 0x10; //CMP flag to 0
sei(); sei();
} }
// TIMER INTERUPT
ISR (TCA0_OVF_vect) { ISR (TCA0_OVF_vect) {
cli(); cli();
printf("fan1");
RPM_calculation(falling_edge_counter_1,1); RPM_calculation(falling_edge_counter_1,1);
printf("fan2");
RPM_calculation(falling_edge_counter_2,1); RPM_calculation(falling_edge_counter_2,1);
falling_edge_counter_1 = 0; falling_edge_counter_1 = 0;
falling_edge_counter_2 = 0; falling_edge_counter_2 = 0;

16
prosjekt.X/fan_speeeed.h
View File

@ -24,12 +24,24 @@ extern "C" {
#include <avr/io.h> #include <avr/io.h>
#include <avr/cpufunc.h> #include <avr/cpufunc.h>
// INITALICE TIMER COUNTER
void init_TCA0(); void init_TCA0();
// UPDATE TIMER PERIODE
void TCA0_update_period_ms (); void TCA0_update_period_ms ();
// TAKES INN A TIME AND A THE COUNTED FAN DIPS
// RETURNS THE RPM OF THE FAN
uint16_t RPM_calculation(uint16_t fancounter, uint16_t time); uint16_t RPM_calculation(uint16_t fancounter, uint16_t time);
// INITIALISING FAN PORTS
void init_fanports(); void init_fanports();
void init_ac0_fan1();
void init_ac1_fan2(); // INIT AC0 TO COMPARE PD6 AND PD7
void init_ac0();
// INIT AC1 TO COMPARE PD4 AND PD7
void init_ac1();
#ifdef __cplusplus #ifdef __cplusplus
} }

4
prosjekt.X/main.c
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@ -37,8 +37,8 @@ int main(void) {
stdout = &USART_stream; stdout = &USART_stream;
init_TCA0(); init_TCA0();
init_fanports(); init_fanports();
init_ac0_fan1(); init_ac0();
init_ac1_fan2(); init_ac1();
sei(); sei();