i2cbench: configurable setos

src/app/i2cbench/Makefile.inc

 arch_drivers += ,i2c
+
+ifneq (${i2cbench_setos}, )
+	COMMON_FLAGS += -DI2CBENCH_SETOS=${i2cbench_setos}
+endif

src/app/i2cbench/main.cc

@@ -22,12 +22,16 @@
 #include "driver/mmsimple.h"
 #endif
 
+#ifndef I2CBENCH_SETOS
+#error must define I2CBENCH_SETOS
+#endif
+
 void loop(void)
 {
 #ifdef DRIVER_LM75
 	//kout.printf_float(lm75.getTemp());
 	//kout << endl;
-	lm75.setOS(64);
+	lm75.setOS(I2CBENCH_SETOS);
 #endif
 #ifdef DRIVER_AM2320
 	am2320.read();