Re: [Gambas-user] Serial I/O with byte data

Hi, as I said before most likely Modbus RTU or similar protocol. If so you will need to do some BIT bashing and probably some CRC conversion. You will need to know the frame size among other things. Public Sub HbLb()   Dim Xz2 As Long   Hb = Fix(DataS / 256)   Xz2 = Fix(256 * Hb)   Lb = DataS -

Re: [Gambas-user] Serial I/O with byte data

it works fine - it was a strange serial port hardware issue. All the "Read" methods suggested above work, Thanks to all! -- View this message in context: http://gambas.8142.n7.nabble.com/Serial-I-O-with-byte-data-tp58933p58995.html Sent from the gambas-user mailing list archive at Nabble.com.

Re: [Gambas-user] Serial I/O with byte data

Alex, Without knowing the protocol/device you're communicating with, I don't think anyone will be able to give substantial help. But, after years of interfacing very diverse hardware via RS-232 (fiscal printers, cash-hanlding hardware, GPS, you name it!), I can tell you that it's not always easy,

Re: [Gambas-user] Serial I/O with byte data

is ASCII for STX, a special char that for some protocols mean "start transmission". Some protocols frame their data payload between chars STX () and ETX(). These also normally use some checksum mechanism either before or right after ETX. Of course it could also be a misleading UTF8 header of

Re: [Gambas-user] Serial I/O with byte data

Hmm eureka, it's 02 53 = 0x53 Or 02 25 = 0x25... Where could that 02 be from? Cheers! -- View this message in context: http://gambas.8142.n7.nabble.com/Serial-I-O-with-byte-data-tp58933p58986.html Sent from the gambas-user mailing list archive at Nabble.com.

Re: [Gambas-user] Serial I/O with byte data

Thanks, it works (both with .tostring and reading one by one... But I get values I don't know how to convert, e.g. where I expect a decimal 83 or hex 53 I get byte value of 253 ... Or instead of Decimal 15 I get 225 :( cheers! -- View this message in context:

Re: [Gambas-user] Serial I/O with byte data

;mike.cr...@y7mail.com> To: mailing list for gambas users <gambas-user@lists.sourceforge.net> Sent: Mon, 15 May 2017 10:46:01 +0000 (UTC) Subject: Re: [Gambas-user] Serial I/O with byte data > If you are talking about a byte the likes of that used in modbusrtu you will > need

Re: [Gambas-user] Serial I/O with byte data

If you are talking about a byte the likes of that used in modbusrtu you will need to do some high low bit manipulation on it. RegardsMike On Monday, 15 May 2017, 13:19, Alexie wrote: Following should work for you: Public Sub XXX_Read()   Dim iLen As Integer   Dim

Re: [Gambas-user] Serial I/O with byte data

Following should work for you: Public Sub XXX_Read() Dim iLen As Integer Dim aData As Byte[] iLen = Lof(Last) aData = New Byte[] aData.Resize(iLen) Try aData.Read(Last, 0, iLen) End You need to get the length (lof) first, then resize array ... only then you can read it.

Re: [Gambas-user] Serial I/O with byte data

On Sun, 14 May 2017, alexchernoff wrote: > Good day all, > > Anyone know how to read data received on serial port into an array of bytes > instead of string? > I think that's not possible. > String gets unreadable binary characters, so how can I > put them into byte[] or so? > This

Re: [Gambas-user] Serial I/O with byte data

Good day all, Anyone know how to read data received on serial port into an array of bytes instead of string? String gets unreadable binary characters, so how can I put them into byte[] or so? Thanks! -- View this message in context:

Re: [Gambas-user] Serial I/O with byte data

On 05/08/2017 12:13 PM, alexchernoff wrote: > Dear all, > > I am receiving data over a serial port which is sent by a byte[].write > function (an array of bytes) > > I get the SerialPort1_read() event raised where I try to read data, RxBuffer > is a string var > > *Try Read #SerialPort1,

Re: [Gambas-user] Serial I/O with byte data

Original Message --- From: alexchernoff <alexchern...@hotmail.com> To: gambas-user@lists.sourceforge.net Sent: Mon, 8 May 2017 22:45:11 -0700 (MST) Subject: Re: [Gambas-user] Serial I/O with byte data > Thanks Mike, > > what I have is pretty much the same, it's this line t

Re: [Gambas-user] Serial I/O with byte data

Thanks Mike, what I have is pretty much the same, it's this line that causes everything to stop. *Read #Sport, Rx, Lof(Sport) * A very similar program written in Xojo on the same system using same serial port works just fine. In Gambas, things just stop executing as soon as I do a Read on that

Re: [Gambas-user] Serial I/O with byte data

Hi Alex, have a look at this code for some ideas how I have serial comms working. ' Gambas class file Private Sport As SerialPort Public Pp As Byte Public Po As Byte Public Rxs As String Public Sub Form_Open()   Me.Load   Me.Center End Public Sub Button2_Click()   Sport = New SerialPort As

[Gambas-user] Serial I/O with byte data

Dear all, I am receiving data over a serial port which is sent by a byte[].write function (an array of bytes) I get the SerialPort1_read() event raised where I try to read data, RxBuffer is a string var *Try Read #SerialPort1, RxBuffer, Lof(SerialPort1)* as soon as I do, the whole program