Renesas TM V.3.20A Dokumentacja Pobierz pdf (Strona 321)

Renesas Technology, Tools FAQs

Last Updated: July 21, 2000

Document Number: 01051014_e

I want to declare a combination of bit fields, such as a combination of 3, 10, and 11 bit widths, without leaving blank bits between

each field (without padding). How can I do that?

Declare the same variable type with the bit size larger than that of the total number of bits of all the continuing fields. Through this

method, you can fill bit field variables without making blank bits (without padding).

[Example program]

typedef struct {

unsigned long BIT0_9 :10;

unsigned long BIT10_20 :11;

unsigned long BIT21_23 : 3;

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Renesas TM V.3.20A Dokumentacja Strona 321