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53 lines
1.0 KiB
53 lines
1.0 KiB
7 years ago
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#include <Arduino.h>
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#include "coin.h"
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#include "hardware.h"
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#include "esp32-hal-timer.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/xtensa_api.h"
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#include "freertos/task.h"
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#include "rom/ets_sys.h"
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#include "soc/timer_group_struct.h"
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#include "soc/dport_reg.h"
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#include "esp_attr.h"
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#include "esp_intr.h"
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using namespace std;
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portMUX_TYPE mux = portMUX_INITIALIZER_UNLOCKED;
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static volatile int pulseCounter;
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static unsigned long lastUpdate = 0;
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static void IRAM_ATTR handleInterrupt() {
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portENTER_CRITICAL_ISR(&mux);
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pulseCounter++;
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lastUpdate = millis();
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portEXIT_CRITICAL_ISR(&mux);
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}
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Coin::Coin(void) {
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pulseCounter = 0;
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}
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void Coin::setup(void) {
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pinMode(COIN_PULSE_PIN, INPUT_PULLUP);
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attachInterrupt(digitalPinToInterrupt(COIN_PULSE_PIN), handleInterrupt, FALLING);
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}
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int Coin::getMoney() {
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if (millis() - lastUpdate <= 200) delay(200); // make sure to wait for the last pulse
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return pulseCounter*5;
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}
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void Coin::setZero() {
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pulseCounter=0;
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}
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void Coin::subtractMoney(int amount) {
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pulseCounter -= amount/5;
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}
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