Hi William. I think Serial port does not work in MacOS VM.
пн, 26 нояб. 2018 г. в 21:59, William L. Cleveland <w...@columbia.edu>: > I have been unsuccessful in using an Arduino board with Pharo 6.1(32bit) > and the Firmata package. > > > > The board is an Arduino Uno clone (ELEGOO UNO R3). The board appears to > work fine with the Arduino IDE, which was tested with the BLINK program. > The Standard Firmata Library appears to have been successfully uploaded to > the board using the Arduino IDE. > > > > COM ports have been closed using > > SerialPort allInstancesDo: [:port|port close]. > > On Windows 10, SerialPort inspect shows that ports are closed. However, > firmata := Firmata onPort: ‘COM3’ baudRate: 576000 failed due to failure to > open COM3. The serial port name was obtained from the Arduino IDE Tools > menu. The board choice was “Arduino Uno”. > > > > > > In MacOS 10.11.6, the same code generated a Cannot open comport message. > > > > Independently of Firmata, the following line of code SerialPort > allInstancesDo: [:port| port close] generated the following error message: > “Instance of BlockClosure did not understand #SerialPort. The same code > worked fine in Windows. > > > > I am wondering if the SerialPort code in Pharo6.1 is sufficiently robust > for a nonexpert programmer like myself, who only occasionally writes code > for his own use. Previously, I wrote an application for a robotics project > in 2008 using VisualWorks and the DLL&CConnect tool, which was quite > successful. No more coding until just recently, when I started using > Python. Would like to go back to Smalltalk if it is sufficiently robust. > > > > Any help would be appreciated. > > > Lou Cleveland >
