ICS-Microprocessor-2020/4_Ust-vo_poluchenia_velichin_s_datchikov
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Обновить Encoder.c

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Переделал код согласно замечаниям
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Артём Новиков 2024-02-14 16:08:48 +00:00
parent 52904681ef
commit 40c876d282
1 changed files with 56 additions and 37 deletions
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Encoder.c
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@ -1,43 +1,62 @@
#define ENC_CLK 0b00000100
#define ENC_DAT 0b00001000
#define ENC_PIN PIND
//----------------------------------------------------------------------
int state;
int old_state = 0;
//----------------------------------------------------------------------
int encoder()
{
if ( !(ENC_PIN & ENC_CLK) )
{
if ( ENC_PIN & ENC_DAT)
{
state++;
}
if ( !(ENC_PIN & ENC_DAT) )
{
state--;
}
while(!(ENC_PIN & ENC_CLK))
#include <avr/io.h>
#define F_CPU 1000000UL
#define PIND_MASK 0b11000011
#define PIND_SHIFT 6
volatile uint8_t next_state, prev_state, state, state_1;
int sw34; // Передача
void read_encoder_state()
{
// Читаем состояние энкодера
next_state = (PIND & PIND_MASK) >> PIND_SHIFT;
// Обновляем состояние энкодера
if (next_state != prev_state)
{
switch (next_state)
{
case 0: // CW
if (prev_state == 3) state++;
else if (prev_state == 0) state--;
break;
case 1: // CCW
if (prev_state == 1) state++;
else if (prev_state == 2) state--;
break;
case 2: // CW
if (prev_state == 1) state++;
else if (prev_state == 3) state--;
break;
case 3: // CCW
if (prev_state == 2) state++;
else if (prev_state == 0) state--;
break;
}
prev_state = next_state;
}
}
return state;
}
//----------------------------------------------------------------------
void encoder_Initialization()
void setup()
{
DDRD = 0b00000010;
PORTD = 0b00001110;
// Инициализация последовательного порта
Serial.begin(9600);
// Настройка портов ввода-вывода
DDRD = 0x00;
PORTD = PIND_MASK;
}
//----------------------------------------------------------------------
int get_encoder_value()
void loop()
{
encoder();
if(old_state != state)
{
old_state = encoder();
}
return state;
}
//----------------------------------------------------------------------
// Читаем состояние энкодера
read_encoder_state();
// Если состояние энкодера изменилось, выводим его в последовательный порт
if (state != sw34)
{
Serial.println(state);
sw34 = state;
}
}