Merge pull request #15317 from aabadie/pr/sys/arduino_ztimer

sys/arduino: replace xtimer by ztimer as high-level background timer

sys/Makefile.dep

@@ -9,7 +9,8 @@ ifneq (,$(filter arduino,$(USEMODULE)))
   SKETCH_MODULE ?= arduino_sketches
   USEMODULE += $(SKETCH_MODULE)
   USEMODULE += fmt
-  USEMODULE += xtimer
+  USEMODULE += ztimer_usec
+  USEMODULE += ztimer_msec
 endif
 
 ifneq (,$(filter arduino_pwm,$(FEATURES_USED)))

sys/arduino/base.cpp

@@ -19,7 +19,8 @@
  */
 
 extern "C" {
-#include "xtimer.h"
+#include "assert.h"
+#include "ztimer.h"
 #include "periph/gpio.h"
 #include "periph/adc.h"
 #include "periph/pwm.h"
@@ -60,22 +61,22 @@ int digitalRead(int pin)
 
 void delay(unsigned long msec)
 {
-    xtimer_usleep(msec * US_PER_MS);
+    ztimer_sleep(ZTIMER_MSEC, msec);
 }
 
 void delayMicroseconds(unsigned long usec)
 {
-    xtimer_usleep(usec);
+    ztimer_sleep(ZTIMER_USEC, usec);
 }
 
 unsigned long micros()
 {
-    return xtimer_now_usec();
+    return ztimer_now(ZTIMER_USEC);
 }
 
 unsigned long millis()
 {
-    return xtimer_now_usec64() / US_PER_MS;
+    return ztimer_now(ZTIMER_MSEC);
 }
 
 #if MODULE_PERIPH_ADC

tests/sys_arduino/Makefile.ci

@@ -1,3 +1,6 @@
 BOARD_INSUFFICIENT_MEMORY := \
+    arduino-uno \
+    arduino-duemilanove \
+    arduino-nano \
     nucleo-l011k4 \
     #