Introduce an abstract type (Hongwei said) #2

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master-q opened this issue May 10, 2014 · 0 comments

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master-q commented May 10, 2014

githwxi/ATS-Postiats#3 (comment)

Maybe it makes sense to introduce an abstract type here:

abstype PORTBval_t = int8
macdef PORTB_LEDON = $extval(PORTBval_t, "0xff")
macdef PORTB_LEDOFF = $extval(PORTBval_t, "0xff")

PORTB_get and PORTB_set can be implemented as templates:

extern
fun{} PORTB_get (): PORTBval_t
extern
fun{} PORTB_set (v: PORTBval_t): void

This will allow you to re-implement them for different chip models.

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