Hi Vatel20,

You can also initialize the array in FC v9

Put Table[5] when creating variable and
{10,20,30,40,50} in the initial value box...

Martin

Hi,

Transmitting via uart requires some timing - and may well involve other interrupts. Keep the interrupt service routine as short as possible (this is true when using any language - not just for flowcode) - you'll save a lot of difficulty and debugging time too

Martin

Hi seokgi,

You are trying to do too much in the interrupt handler (for example send data to UART) - this will probably cause things to break...

The interrupt should just increment a counter (to count pulses on pin 0 for example)...

Martin

I posted a 'simple' sender and receiver here: viewtopic.php?f=3&t=440 - which deals with end of file etc which might be helpful??

Martin

I rewrote the Arduino slave firmware.... Called (modestly) SCADA+ - it's completely compatible with the current firmware, but with two advantages.. 1) It's smaller and faster (about 2k smaller on Uno) (speed is largely controlled by the UART rate - but being faster means it might be better running o...

I'm sure this has been mentioned before - but don't seem to find a solution. The upload script needs to open a com port at 1200 baud to kick the Leonardo into it's boot loader (see, for example, https://nicholaskell.wordpress.com/tag/leonardo/ ) - instead it currently 'asks' the user to hit 'reset' ...

Some interesting new AVR MCUs becoming available - for example the ATTiny 816 highlighted in this months PE (Practical Electronics - formerly E(veryday)PE)

Martin

Thanks Ben,

I notice another problem in the Uno SCADA firmware - on getting a pin state (cmd 0x81) - ReturnCount should be set to 1 (to return the data). The ArduinoMega firmware does this correctly (and I didn't check the others....)

Martin

I struggled to get some code using a glcd ssd1306 (i2c) working. I was getting some 'garbage' in part of the print and a crash (on MCU) after a few prints. Flipping back to v8 - and all worked well. Trying a simple test case - here I have a glcdssd1306(i2c) 128 x 32 attached to an Arduino UNO. glcd_...

Hi Ben, Just been trying to get a ssd1306(i2c) display working in SCADA mode (Okay I'm expecting slow - but it did work previously). A simple test program : i2c test.fcfx Works okay on the MCU (printing 'Hello') However - it doesn't seem to work in SCADA mode. Indeed it's worse in that FC crashes af...