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a48a089a3c
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8649d59d8d
| Author | SHA1 | Date | |
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| 8649d59d8d | |||
| c9b220616d |
@ -1,3 +1,5 @@
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#include <avr/ioavr128db48.h>
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#include "fan_speeeed.h"
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#include "uart.h"
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@ -6,7 +8,7 @@ uint16_t fan_speed;
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volatile uint16_t falling_edge_counter = 0;
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#define MAX_PER 0x50
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void TCA0_init() {
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void init_TCA0() {
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//code
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PORTMUX.TCAROUTEA = PORTMUX_TCA0_PORTD_gc;
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@ -19,7 +21,6 @@ void TCA0_init() {
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TCA0.SINGLE.CTRLB = TCA_SINGLE_CMP0EN_bm | 0x03;
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TCA0.SINGLE.CTRLA = TCA_SINGLE_CLKSEL_DIV1_gc | TCA_SINGLE_ENABLE_bm;
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//TCA0.SINGLE.INTCTRL = TCA_SINGLE_OVF_bm;
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//TCA0.SINGLE.CTRLA = TCA_SINGLE_ENABLE_bm | TCA_SINGLE_CLKSEL_DIV1024_gc; /* Sysclk /1024 */
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//TCA0_update_period_ms();
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@ -36,124 +37,44 @@ uint16_t RPM_calculation(uint16_t test, uint16_t time) {
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return fan_speed;
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}
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void PORT_init() {
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//compare or capture
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TCB3.CCMP = 0x00;
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//count
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TCB3.CNT = 0x00;
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PORTA.IN = PIN5_bm;
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PORTA.PIN5CTRL = PORT_PULLUPEN_bm;
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//PORTD.PIN2CTRL = PORT_ISC_FALLING_gc | 0b01000000;
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// TCB3.CTRLB =0<< TCB_ASYNC_bp /* Asynchronous Enable: disabled */|0<< TCB_CCMPEN_bp /* Pin Output Enable: disabled */|0<< TCB_CCMPINIT_bp /* Pin Initial State: disabled */| TCB_CNTMODE_FRQ_gc;/* Input Capture Frequency measurement */
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// TCB3.EVCTRL =1<< TCB_CAPTEI_bp /* Event Input Enable: enabled */|0<< TCB_EDGE_bp /* Event Edge: disabled */|0<< TCB_FILTER_bp;/* Input Capture Noise Cancellation Filter: disabled */
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// TCB3.INTCTRL =1<< TCB_CAPT_bp /* Capture or Timeout: enabled */|0<< TCB_OVF_bp;/* OverFlow Interrupt: disabled */
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// TCB3.CTRLA = TCB_CLKSEL_DIV1_gc /* CLK_PER */|1<< TCB_ENABLE_bp /* Enable: enabled */|0<< TCB_RUNSTDBY_bp /* Run Standby: disabled */|0<< TCB_SYNCUPD_bp /* Synchronize Update: disabled */|0<< TCB_CASCADE_bp;/* Cascade Two Timer/Counters: disabled */
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//ASYNC disabled; CCMPINIT disabled; CCMPEN disabled; CNTMODE FRQPW;
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TCB3.CTRLB = 0x03;
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//DBGRUN disabled;
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//TCB3.DBGCTRL = 0x00;
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//FILTER disabled; EDGE disabled; CAPTEI enabled;
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TCB3.EVCTRL = 0x01;
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//OVF disabled; CAPT enabled;
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TCB3.INTCTRL = 0x01;
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//OVF disabledAPT disabled;
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//TCB3.INTFLAGS = 0; CAPT disabled;
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//TCB3.INTFLAGS = 0x00;
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//Temporary Value
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//TCB3.TEMP = 0x00;
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//EVSYS.CHANNEL0 = 0x40;
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//EVSYS.SWEVENTA = 0x01;
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//EVSYS.USERTCB3CAPT = 0x01;
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//RUNSTDBY disabled; CASCADE disabled; SYNCUPD disabled; CLKSEL DIV1; ENABLE enabled;
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TCB3.CTRLA = 0x01;
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}
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void testsettup() {
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PORTA.IN = PIN3_bm;
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PORTA.PIN3CTRL = PORT_PULLUPEN_bm;
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EVSYS.CHANNEL0 = 0x43;
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TCB0.EVCTRL = TCB_CAPTEI_bm;
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TCB0.INTCTRL = TCB_CAPT_bm;
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TCB0.CTRLB = TCB_CNTMODE_FRQ_gc;
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EVSYS.USERTCB0CAPT = EVSYS_USER_CHANNEL0_gc;
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TCB0.CTRLA = TCB_CLKSEL_TCA0_gc | TCB_ENABLE_bm;
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}
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/*
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void TCB0_Init(void){
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TCB3.CTRLB = TCB_CNTMODE_FRQPW_gc; /* Input Capture Frequency */
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// TCB3.EVCTRL = TCB_CAPTEI_bm; /* Event Input Enable: enabled */
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// TCB3.EVCTRL |= (1 << TCB_CAPTEI_bp | 1 << TCB_EDGE_bp | 1 << TCB_FILTER_bp); /* Event Input Enable: enabled */
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// TCB3.INTCTRL = TCB_CAPT_bm; /* Capture or Timeout: enabled */
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//TCB3.CTRLA = TCB_CLKSEL_DIV1_gc /* CLK_PER/1 (From Prescaler) - This is needed to be able to count to 40 Hz with a 4 Mhz system clock */
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// | TCB_ENABLE_bm /* Enable: enabled */
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// | TCB_RUNSTDBY_bm; /* Run Standby: enabled */
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//}
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void EVSYS_Init(void) {
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/* Zero-cross detector 0 out linked to event channel 0 */
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EVSYS.CHANNEL0 = EVSYS_CHANNEL0_PORTA_PIN5_gc;
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/* TCB uses event channel 0 */
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EVSYS.USERTCB0CAPT = EVSYS_USER_CHANNEL0_gc;
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//test
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//EVSYS.CHANNEL0 = 0x40;
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//EVSYS.SWEVENTA = 0x01;
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//EVSYS.USERTCB3CAPT = 0x01;
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}
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void PORTB_init() {
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PORTA.OUTSET |= PIN5_bm;
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PORTA.DIRSET |= PIN5_bm;
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}
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// Voltage reference
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#define VDACREF
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#define VREF
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#define DACREF_VALUE (VDACREF * 256 / VREF)
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void init_ac(){
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// CONFIGURE PINS AS ANALOG INPUTS
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PORTD.PIN2CTRL = PORT_ISC_INPUT_DISABLE_gc;
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// SET BENCH MARK
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//SELECT POSITIVER INPUTS muxs
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AC0.MUXCTRLA = AC_MUXPOS_AINP0_gc | AC_MUXNEG_DACREF_gc;
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// OPTIONAL: ENABLE INNPUT PIN BY WRITING "1" TO OUTEN
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AC0.CTRLA = 0x40; // 0b01000000
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// ENABLE AC BY WRITING 1 TO ENABLE BIT IN ACN.CTRLA
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AC0.CTRLA |= PIN0_bm; // 0b00000001
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AC0.CTRLA = AC_ENABLE_bm | AC_INTMODE_NORMAL_POSEDGE_gc | AC_OUTEN_bm;
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// SET CMP TO 1
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AC0.INTCTRL = 0x01;
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}
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ISR(AC0_AC_vect){ // AC0 vec flag
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AC0.STATUS |= 0x10; //CMP flag to 0.
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}
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//-----------------------------------------------------------------------------------------------------
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//-------------------------------------- S E T U P-----------------------------------------------------
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/*
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ISR ( TCA0_OVF_vect ) {
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cli();
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RPM_calculation();
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TCA0.SINGLE.INTFLAGS = TCA_SINGLE_OVF_bm ;
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sei();
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}*/
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void printnie(uint8_t en, uint8_t to) {
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printf("CNT %u", en);
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printf("ccmp %u", to);
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}
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/*ISR (TCB0_INT_vect){
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uint16_t yo = TCB0.CNT;
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uint16_t stewui = TCB0.CCMP;
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printnie(yo, stewui);
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TCB3.INTFLAGS = 0x03;
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//TCB3.INTFLAGS = PIN0_bm;
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}
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*/
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/*
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ISR(PORTD_PORT_vect){
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// cli();
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falling_edge_counter ++;
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PORTD.INTFLAGS = PIN2_bm;
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//sei();
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}
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* */
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@ -24,15 +24,11 @@ extern "C" {
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#include <avr/io.h>
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#include <avr/cpufunc.h>
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void TCA0_init ();
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void PORT_init();
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void PORTB_init();
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void testsettup();
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void init_TCA0();
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void TCA0_update_period_ms ();
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uint16_t RPM_calculation(uint16_t test, uint16_t time);
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void EVSYS_Init(void);
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#ifdef __cplusplus
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}
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#endif
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@ -22,56 +22,6 @@
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#include "themistor-temp.h"
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#include "fan_speeeed.h"
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/*
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void main_1() {
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init_uart((uint16_t)9600);
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stdout = &USART_stream;
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TCA0_init ();*/
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//PORT_init();
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//test
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//TCB0_Init();
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//PORT_init();
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//EVSYS_Init();
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//PORTB_init();
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// testsettup();
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//TCB3.INTCTRL = 0b00000001; // Bit 0 ? CAPT Capture Interrupt Enable
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//sei();
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//while (1) {
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/*
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printf("loop");
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uint16_t yo = TCB3.CNT;
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printf("CNT %u", yo);
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uint16_t stewui = TCB3.CCMP;
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printf("CCMP %u", stewui);
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*/
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//EVSYS.USERTCB0CAPT = EVSYS_USER_CHANNEL0_gc;
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// EVSYS.CHANNEL0 = EVSYS_CHANNEL0_PORTA_PIN5_gc;
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/* TCB uses event channel 0 */
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/// EVSYS.USERTCB0CAPT = EVSYS_USER_CHANNEL0_gc;
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//uint8_t test = TCB3.CCMP;
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//printf("ccmp %u", test);
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// _delay_ms(500);
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// ;
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// }
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//}
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/*ISR (TCB3_INT_vect){
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uint16_t yo = TCB3.CNT;
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printf("CNT %u", yo);
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uint16_t stewui = TCB3.CCMP;
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printf("CCMP %u", stewui);
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TCB3.INTFLAGS = 0x03;
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//TCB3.INTFLAGS = PIN0_bm;
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}*/
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#define F_CPU 4000000UL
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#include <avr/io.h>
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@ -79,69 +29,18 @@ void main_1() {
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#include <util/delay.h>
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#define MAX_PER 0x50
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volatile uint16_t data = 0;
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volatile uint16_t cnt = 0;
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int main(void) {
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init_uart((uint16_t)9600);
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stdout = &USART_stream;
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//TCA Init
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/*
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PORTMUX.TCAROUTEA = PORTMUX_TCA0_PORTD_gc;
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PORTD.DIR = PIN0_bm;
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TCA0.SINGLE.PERBUF = MAX_PER;
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TCA0.SINGLE.CMP0BUF = MAX_PER / 2;
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TCA0.SINGLE.CTRLB = TCA_SINGLE_CMP0EN_bm | 0x3;
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TCA0.SINGLE.CTRLA = TCA_SINGLE_CLKSEL_DIV1_gc | TCA_SINGLE_ENABLE_bm;
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*/
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TCA0_init();
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//TCB Init
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/*
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PORTA.IN = PIN3_bm;
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PORTA.PIN3CTRL = PORT_PULLUPEN_bm;
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EVSYS.CHANNEL0 = 0x43;
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TCB0.EVCTRL = TCB_CAPTEI_bm;
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TCB0.INTCTRL = TCB_CAPT_bm;
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TCB0.CTRLB = TCB_CNTMODE_FRQ_gc;
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EVSYS.USERTCB0CAPT = EVSYS_USER_CHANNEL0_gc;
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TCB0.CTRLA = TCB_CLKSEL_TCA0_gc | TCB_ENABLE_bm;
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*/
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//testsettup();
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PORT_init();
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sei();
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PIN2_bm
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/* Replace with your application code */
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while (1) {
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if (data) {
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printf("TEST1_____ %u ", data);
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data = RPM_calculation(data, cnt);
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printf("TEST1 %u ", data);
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//printf("ccnt %d", cnt);
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data = 0;
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}
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}
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}
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ISR(TCB0_INT_vect) {
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data = TCB0.CCMP;
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cnt = TCB0.CNT;
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TCB0.INTFLAGS = TCB_CAPT_bm;
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}
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