Saving decimal values in array elements as characters

Nicopowers

Hi everybody,

I am having difficulties formatting data to be transferred over ZigBee API communication using 64-bit addressing. Let's assume that I want to transfer the decimal value 41,410 through an API method that takes string values as its input. So, let's say:

VAR
byte   my_buffer[100]

PUB Main   |  my_value
my_value := 41410

How would I save each individual digit of my decimal variable to one element of "my_buffer" array to achieve the following?:

my_buffer[0] := "4"
my_buffer[1] := "1"
my_buffer[2] := "4"
my_buffer[3] := "1"
my_buffer[4] := "0"   ' The values need to be saved as a string

We need to make it work for any decimal value , I would really appreciate your help.
Thank you!

Mike Green

Look at the ".dec" method of any object that has one (TV or VGA or LCD display drivers for example or FullDuplexSerial). These generally call a character output routine. You can set a pointer value (word or long) with "p := @my_buffer", then store characters with "byte[p++] := c". You might need a zero byte as a string delimiter with "byte[p] := 0".

Duane Degn

localroger posted some code which in clues the object "strfmt.spin".

This object includes a ".dec" method like Mike Green suggested but this method lets you specify where to have the characters stored.

Using your example, you'd use the following code:

  Format.dec(@my_buffer, my_value)

Of course this assumes you're using "Format" to identify the "strfmt.spin" object.