PIP_NO_FILESYSTEM and PIP_NO_THREADS

libs/main/types/pitime.cpp

@@ -26,6 +26,8 @@
 #  include "pisystemtests.h"
 #elif defined(ARDUINO)
 #  include <Arduino.h>
+#elif defined(PICO_SDK)
+#  include "hardware/time.h"
 #endif
 #ifdef MICRO_PIP
 #  include <sys/time.h>
@@ -48,28 +50,13 @@
 void piUSleep(int usecs) {
 	if (usecs <= 0) return;
 #ifdef WINDOWS
-	// printf("Sleep %d\n", usecs / 1000);
-	if (usecs > 0) Sleep(usecs / 1000);
-		// printf("Sleep end");
-#else
-#  ifdef FREERTOS
+	Sleep(usecs / 1000);
+#elif defined(FREERTOS)
 	vTaskDelay(usecs / 1000 / portTICK_PERIOD_MS);
-#  else
-#    ifdef MICRO_PIP
-	if (usecs > 0) {
-		struct timeval start;
-		gettimeofday(&start, nullptr);
-		long long elapsed = 0;
-		while (elapsed < usecs) {
-			struct timeval now;
-			gettimeofday(&now, nullptr);
-			elapsed = (now.tv_sec - start.tv_sec) * 1000000LL + (now.tv_usec - start.tv_usec);
-		}
-	}
-#    else
+#elif defined(PICO_SDK)
+	sleep_us(usecs);
+#else
 	usecs -= PISystemTests::usleep_offset_us;
 	if (usecs > 0) usleep(usecs);
-#    endif
-#  endif
 #endif
 }