sys/arduino: Wire requires periph_i2c module

RIOT-OS · Oct 20, 2019 · 4cc7fa5 · 4cc7fa5
1 parent 6dc58b0
commit 4cc7fa5
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Showing 3 changed files with 16 additions and 0 deletions.
diff --git a/sys/Makefile.dep b/sys/Makefile.dep
@@ -1,3 +1,7 @@
+ifneq (,$(filter arduino,$(USEMODULE)))
+  FEATURES_OPTIONAL += periph_i2c
+endif
+
 ifneq (,$(filter eepreg,$(USEMODULE)))
   FEATURES_REQUIRED += periph_eeprom
 endif

diff --git a/sys/arduino/include/Wire.h b/sys/arduino/include/Wire.h
@@ -17,6 +17,10 @@
 #ifndef WIRE_H
 #define WIRE_H
 
+#ifndef MODULE_PERIPH_I2C
+#error "No I2C support on your board"
+#endif
+
 #ifdef __cplusplus
 #include "wireport.hpp"
 #endif

diff --git a/sys/arduino/wireport.cpp b/sys/arduino/wireport.cpp
@@ -52,6 +52,8 @@
  * (https://creativecommons.org/licenses/by-sa/3.0/).
  */
 
+#if MODULE_PERIPH_I2C
+
 extern "C" {
 #include <stdlib.h>
 #include <string.h>
@@ -269,3 +271,9 @@ void TwoWire::flush(void)
 /* single instance */
 
 TwoWire Wire;
+
+#else /* MODULE_PERIPH_I2C */
+
+typedef int dont_be_pedantic;
+
+#endif /* MODULE_PERIPH_I2C */