diff options
| -rw-r--r-- | libraries/Firmata/examples/StandardFirmata/StandardFirmata.pde | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/libraries/Firmata/examples/StandardFirmata/StandardFirmata.pde b/libraries/Firmata/examples/StandardFirmata/StandardFirmata.pde index 40afcae..4cc8539 100644 --- a/libraries/Firmata/examples/StandardFirmata/StandardFirmata.pde +++ b/libraries/Firmata/examples/StandardFirmata/StandardFirmata.pde @@ -32,8 +32,8 @@ byte pinStatus[TOTAL_DIGITAL_PINS]; // store pin status, default OUTPUT byte portStatus[TOTAL_PORTS]; /* timer variables */ -extern volatile unsigned long timer0_overflow_count; // timer0 from wiring.c -unsigned long nextExecuteTime; // for comparison with timer0_overflow_count +unsigned long currentMillis; // store the current value from millis() +unsigned long nextExecuteMillis; // for comparison with currentMillis /*============================================================================== @@ -204,8 +204,9 @@ void loop() /* DIGITALREAD - as fast as possible, check for changes and output them to the * FTDI buffer using Serial.print() */ checkDigitalInputs(); - if(timer0_overflow_count > nextExecuteTime) { - nextExecuteTime = timer0_overflow_count + 19; // run this every 20ms + currentMillis = millis(); + if(currentMillis > nextExecuteMillis) { + nextExecuteMillis = currentMillis + 19; // run this every 20ms /* SERIALREAD - Serial.read() uses a 128 byte circular buffer, so handle * all serialReads at once, i.e. empty the buffer */ while(Firmata.available()) |