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Move LED control to state machine and blink red for denied cards

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This commit is contained in:
Tanner Collin 2018-11-18 21:33:24 -07:00
parent d09f670a77
commit 163472ad2a
1 changed files with 68 additions and 14 deletions
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82
firmware/firmware.ino
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@ -37,12 +37,13 @@ typedef struct __attribute__((packed)) cardData {
#define RELAY_OPEN !RELAY_CLOSED
#define BUTTON_CLOSED LOW
#define BUTTON_OPEN !BUTTON_CLOSED
#define LED_ON HIGH
#define LED_OFF !LED_ON
#define LED_PIN_ON HIGH
#define LED_PIN_OFF !LED_PIN_ON
#define DELAY_TIME 10
#define COMM_LOCK_IDLE_TIME 50
#define COMM_CARD_IDLE_TIME 1000
#define LED_DENIED_IDLE_TIME 30
#define EEPROM_SIZE 4095
#define EEPROM_START 0
@ -54,6 +55,15 @@ enum wifiStates
WIFI_CONNECTED,
} wifiState = WIFI_DISCONNECTED;
enum LEDStates
{
LED_OFF,
LED_ARMED,
LED_ON,
LED_DENIED,
LED_DENIED_IDLE,
} LEDState = LED_OFF;
enum lockStates
{
LOCK_OFF,
@ -91,6 +101,7 @@ void setup()
void tickerLoop()
{
processLockState();
processLEDState();
if (Serial.available() >= CARD_BUFFER_LENGTH) {
uint8_t bufPos = 0;
@ -111,7 +122,7 @@ void tickerLoop()
cardBuffer[bufPos++] = readChar;
if (readChar == 0x3 && bufPos == CARD_BUFFER_LENGTH) {
if (lockState == LOCK_OFF) checkCard();
if (lockState == LOCK_OFF && LEDState == LED_OFF) checkCard();
break;
}
}
@ -183,6 +194,7 @@ void checkCard()
}
} else {
if (LOGGING) Serial.println("[INFO] Card not authorized on machine.");
LEDState = LED_DENIED;
}
}
}
@ -230,11 +242,6 @@ void processWifiState()
bool greenButton() { return digitalRead(GREEN_BUTTON_PIN) == BUTTON_CLOSED; }
bool redButton() { return digitalRead(RED_BUTTON_PIN) == BUTTON_CLOSED; }
void greenLEDOn() { digitalWrite(GREEN_LED_PIN, LED_ON); }
void greenLEDOff() { digitalWrite(GREEN_LED_PIN, LED_OFF); }
void redLEDOn() { digitalWrite(RED_LED_PIN, LED_ON); }
void redLEDOff() { digitalWrite(RED_LED_PIN, LED_OFF); }
void relayOn() { digitalWrite(RELAY_PIN, RELAY_CLOSED); }
void relayOff() { digitalWrite(RELAY_PIN, RELAY_OPEN); }
@ -242,8 +249,7 @@ void processLockState()
{
switch (lockState) {
case LOCK_OFF:
greenLEDOff();
redLEDOff();
if (LEDState < LED_DENIED) LEDState = LED_OFF;
relayOff();
break;
@ -256,8 +262,7 @@ void processLockState()
}
break;
case LOCK_ARMED:
greenLEDOn();
redLEDOff();
if (LEDState < LED_DENIED) LEDState = LED_ARMED;
relayOff();
@ -279,8 +284,7 @@ void processLockState()
}
break;
case LOCK_ON:
greenLEDOff();
redLEDOn();
if (LEDState < LED_DENIED) LEDState = LED_ON;
relayOn();
@ -296,6 +300,56 @@ void processLockState()
}
}
void greenLEDOn() { digitalWrite(GREEN_LED_PIN, LED_PIN_ON); }
void greenLEDOff() { digitalWrite(GREEN_LED_PIN, LED_PIN_OFF); }
void redLEDOn() { digitalWrite(RED_LED_PIN, LED_PIN_ON); }
void redLEDOff() { digitalWrite(RED_LED_PIN, LED_PIN_OFF); }
void processLEDState()
{
static uint16_t LEDDeniedIdleCount = 0;
switch (LEDState) {
case LED_OFF:
greenLEDOff();
redLEDOff();
break;
case LED_ARMED:
greenLEDOn();
redLEDOff();
break;
case LED_ON:
greenLEDOff();
redLEDOn();
break;
case LED_DENIED:
LEDDeniedIdleCount = 0;
LEDState = LED_DENIED_IDLE;
break;
case LED_DENIED_IDLE:
LEDDeniedIdleCount++;
if (LEDDeniedIdleCount < LED_DENIED_IDLE_TIME) {
greenLEDOff();
redLEDOn();
} else if (LEDDeniedIdleCount < LED_DENIED_IDLE_TIME * 2) {
greenLEDOff();
redLEDOff();
} else {
LEDState = LED_OFF;
}
break;
default:
if (LOGGING) Serial.println("[ERROR] Invalid lock state.");
LEDState = LED_OFF;
break;
}
}
// JSON functions to prevent memory leaking
String serializeLockJson(uint8_t lockState)
{