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sketch: Support for status overrides from host over comSerial

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This commit is contained in:
Petr Baudis 2011-04-26 20:57:41 +02:00
parent eefdd34af4
commit f5b6e4ea12
1 changed files with 25 additions and 4 deletions
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29
brmdoor/brmdoor.pde
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@ -14,8 +14,8 @@ const int doorLock = 4;
const int rfidRx = 3; const int rfidRx = 3;
const int rfidTx = 2; const int rfidTx = 2;
int statusState = 0; int statusState = 0, statusStateOverride = 0;
int videoState = 0; int videoState = 0, videoStateOverride = 0;
// cardId is the same as you can see in CARD telnet message // cardId is the same as you can see in CARD telnet message
struct ACLdata { struct ACLdata {
@ -153,6 +153,18 @@ void readCard()
delay(750); delay(750);
} }
void readSerial()
{
if (comSerial.available()) {
unsigned char cmd = comSerial.read();
unsigned char data = comSerial.read();
switch (cmd) {
case 's': statusState = data; statusStateOverride = 1; break;
case 'v': videoState = data; videoStateOverride = 1; break;
}
}
}
void setup() void setup()
{ {
pinMode(doorLock, OUTPUT); pinMode(doorLock, OUTPUT);
@ -169,11 +181,20 @@ void setup()
void loop() void loop()
{ {
statusState = !digitalRead(statusBtn); /* Check buttons. */
videoState = !digitalRead(videoBtn); int statusStateNew = !digitalRead(statusBtn);
int videoStateNew = !digitalRead(videoBtn);
/* Cancel override if button is in same state as official state. */
if (statusState == statusStateNew) statusStateOverride = 0;
if (videoState == videoStateNew) videoStateOverride = 0;
/* Update state based on buttons and override. */
if (!statusStateOverride) statusState = statusStateNew;
if (!videoStateOverride) videoState = videoStateNew;
digitalWrite(statusLed, !statusState); // will be turned back in readCard() digitalWrite(statusLed, !statusState); // will be turned back in readCard()
digitalWrite(videoLed, videoState); digitalWrite(videoLed, videoState);
comSerial.print(statusState, DEC); comSerial.write(" "); comSerial.print(statusState, DEC); comSerial.write(" ");
comSerial.print(videoState, DEC); comSerial.write(" "); comSerial.print(videoState, DEC); comSerial.write(" ");
readCard(); readCard();
readSerial();
} }