Fix pulseIn detection (#293)

earlephilhower · web-flow · commit a8121f31d4b6 · 2021-08-30T12:40:38.000-07:00
Fixes #289
diff --git a/cores/rp2040/wiring_pulse.cpp b/cores/rp2040/wiring_pulse.cpp
@@ -38,7 +38,7 @@ extern "C" unsigned long pulseIn(uint8_t pin, uint8_t state, unsigned long timeo
     }
 
     // Wait for assert
-    while ((!!gpio_get(pin) != !state) && (time_us_64() < abort));
+    while ((!!gpio_get(pin) != !!state) && (time_us_64() < abort));
     uint64_t begin = time_us_64();
     if (begin >= abort) {
         return 0;

Original file line number	Diff line number	Diff line change
`@@ -38,7 +38,7 @@ extern "C" unsigned long pulseIn(uint8_t pin, uint8_t state, unsigned long timeo`
`38`	`38`	`}`
`39`	`39`
`40`	`40`	`// Wait for assert`
`41`		`- while ((!!gpio_get(pin) != !state) && (time_us_64() < abort));`
	`41`	`+ while ((!!gpio_get(pin) != !!state) && (time_us_64() < abort));`
`42`	`42`	`uint64_t begin = time_us_64();`
`43`	`43`	`if (begin >= abort) {`
`44`	`44`	`return 0;`