(no subject)

[PETREMANN]

Hello,

input $ expects n characters from the terminal (or serial link rx0);

temp.input $ expects n characters from treminal or rx0. If the timeout is exceeded, returns an empty string or the characters received.

This function is particularly useful when you are expecting characters transmitted over a serial link, such as a LoRa transmitter for example.

The advantage of temp.input $ is that it does not wait indefinitely for a transmission or a transmission that does not end with cr.

:::forth
-input
marker -input

\ accept n characters from terminal FORTH buffer
\ leave addr n 
: input$  ( n --- addr n)
    pad swap
    accept
    pad swap
  ;

2000 value IN_DELAY \ increase or decrase if necessary
: temp.rx0
    IN_DELAY
    begin
        1- 1 ms
        rx0?    \ char recevied from rx0 ?
        if  
            drop
            rx0  exit
        then
    dup 0= until
    drop 13     \ if no char, leave $0a (cr)
  ;

\ temporised input
: temp.input$ ( n --- addr n)
    [']  temp.rx0 'key !
    input$
    ['] rx0 'key !
  ;