fix issue #12

nerdralph · nerdralph · commit a95c1c407218 · 2023-01-03T14:35:55.000-04:00
diff --git a/src/as_wiring.c b/src/as_wiring.c
@@ -36,7 +36,7 @@ void delayMicroseconds(uint16_t us)
     delay1us:
         // delay 1us per loop, less 4 cycles for overhead
         _delay_us(1.0 - (4.0 / fMHz));
-        asm volatile ("sbiw %[us], 1" : [us]"+d"(us));
+        asm volatile ("sbiw %[us], 1" : [us]"+w"(us));
     asm goto( "brne %l[delay1us]" :::: delay1us);
 }
 

Original file line number	Diff line number	Diff line change
`@@ -36,7 +36,7 @@ void delayMicroseconds(uint16_t us)`
`36`	`36`	`delay1us:`
`37`	`37`	`// delay 1us per loop, less 4 cycles for overhead`
`38`	`38`	`_delay_us(1.0 - (4.0 / fMHz));`
`39`		`- asm volatile ("sbiw %[us], 1" : [us]"+d"(us));`
	`39`	`+ asm volatile ("sbiw %[us], 1" : [us]"+w"(us));`
`40`	`40`	`asm goto( "brne %l[delay1us]" :::: delay1us);`
`41`	`41`	`}`
`42`	`42`