Fix pulseIn detection (#293)

Fixes #289
earlephilhower · Aug 30, 2021 · a8121f3 · a8121f3
1 parent 38c005c
commit a8121f3
Showing 1 changed file with 1 addition and 1 deletion.
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;