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Re: [avr-gcc-list] typecast
From: |
E. Weddington |
Subject: |
Re: [avr-gcc-list] typecast |
Date: |
Tue, 25 Mar 2003 09:26:18 -0700 |
On 25 Mar 2003 at 16:33, Torsten Hahn wrote:
> Hi,
>
> if i have
>
> uint16_t number16 = 1234;
> uint8_t number8;
>
> number8 = (uint8_t)(number16);
>
> do i get the highest 8 bit from number16 into number8 ? Or is there a
> better (safer) way to geht the most significant byte of an 16, 32 ...
> Bit value ?
>
You will get the lower 8 bits of number16 into number8.
To get the high byte of number16 into number8, add a bit-shift right:
number8 = (uint8_t)(number16 >> 8);
Eric