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Forum Index : Microcontroller and PC projects : str2bin not behaving?

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johngill
Newbie

Joined: 22/09/2020
Location: United Kingdom
Posts: 23
Posted: 03:40pm 04 Mar 2021
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Hi all,

I don't know if it's me being a plantpot, but as far as I understand it, this should give me the value 22:

print str2bin(uint8,"00010110",BIG)

I've put eight 0s and 1s in the string, and it's still giving me string length error. Am I doing something wrong or is this a firmware bug?

I'm on 5.07.00b19

thanks!
 
matherp
Guru

Joined: 11/12/2012
Location: United Kingdom
Posts: 4738
Posted: 03:52pm 04 Mar 2021
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str2bin and bin2str are used for packing the binary representation of a number into a string. The normal use is for writing binary to and from a file or for converting a string containing binary values such as received from some I2C devices into a MMBasic number. For your usage you need to look at functions like VAL and BIN$
 
johngill
Newbie

Joined: 22/09/2020
Location: United Kingdom
Posts: 23
Posted: 03:57pm 04 Mar 2021
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ok, thanks, my misunderstanding.
 
lizby
Guru

Joined: 17/05/2016
Location: United States
Posts: 1265
Posted: 03:59pm 04 Mar 2021
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Interestingly, on the F4, this causes a lockup, necessitating a reset.

? str2bin(uint8,"0001011000000000")
 
toml_12953
Senior Member

Joined: 13/02/2015
Location: United States
Posts: 106
Posted: 05:38pm 04 Mar 2021
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  johngill said  Hi all,

I don't know if it's me being a plantpot, but as far as I understand it, this should give me the value 22:

print str2bin(uint8,"00010110",BIG)

I've put eight 0s and 1s in the string, and it's still giving me string length error. Am I doing something wrong or is this a firmware bug?

I'm on 5.07.00b19

thanks!


Try PRINT VAL("&B"+"00010110")
 
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