PlantCtrl/esp32test/Esp32DeepSleepTest/src/main.cpp

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#include <Arduino.h>
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#include "driver/pcnt.h"
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#define PWM_FREQ 50000
#define PWM_BITS 8
#define OUTPUT_SENSOR 14
#define SENSOR_PLANT 17
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int16_t pulses = 0;
int16_t pulses2 = 0;
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int plantId = 0;
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void setup() {
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RTC_SLOW_ATTR uint8_t tick = 0;
RTC_SLOW_ATTR bool dir = true;
void setup()
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{
Serial.begin(115200);
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pinMode(OUTPUT_SENSOR, OUTPUT);
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ledcSetup(plantId, PWM_FREQ, PWM_BITS);
ledcAttachPin(SENSOR_PLANT, plantId);
ledcWrite(plantId, plantId);
pinMode(SENSOR_PLANT, INPUT);
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pcnt_config_t pcnt_config = { }; // Instancia PCNT config
pcnt_unit_t unit = (pcnt_unit_t)(PCNT_UNIT_0 + plantId);
pcnt_config.pulse_gpio_num = SENSOR_PLANT; // Configura GPIO para entrada dos pulsos
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pcnt_config.ctrl_gpio_num = PCNT_PIN_NOT_USED; // Configura GPIO para controle da contagem
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pcnt_config.unit = unit; // Unidade de contagem PCNT - 0
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pcnt_config.channel = PCNT_CHANNEL_0; // Canal de contagem PCNT - 0
pcnt_config.counter_h_lim = INT16_MAX; // Limite maximo de contagem - 20000
pcnt_config.pos_mode = PCNT_COUNT_INC; // Incrementa contagem na subida do pulso
pcnt_config.neg_mode = PCNT_COUNT_DIS; // Incrementa contagem na descida do pulso
pcnt_config.lctrl_mode = PCNT_MODE_KEEP; // PCNT - modo lctrl desabilitado
pcnt_config.hctrl_mode = PCNT_MODE_KEEP; // PCNT - modo hctrl - se HIGH conta incrementando
pcnt_unit_config(&pcnt_config); // Configura o contador PCNT
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pcnt_counter_pause(PCNT_UNIT_0); // Pausa o contador PCNT
pcnt_counter_clear(PCNT_UNIT_0); // Zera o contador PCNT
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digitalWrite(OUTPUT_SENSOR, HIGH);
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Serial.println("Nodemcu ESP32 Start done");
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}
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void loop() {
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pcnt_counter_resume(PCNT_UNIT_0);
delay(500);
pcnt_counter_pause(PCNT_UNIT_0);
pcnt_get_counter_value(PCNT_UNIT_0, &pulses);
pcnt_counter_clear(PCNT_UNIT_0);
Serial.println(pulses*2);
}