+ // channel 5 is unused, reserved for measuring current
+#else
+ ADC10CTL0 = ADC10SHT_2 + ADC10ON + ADC10IE; // ADCON, S&H=16 ADC clks
+ ADC10CTL1 = INCH_4; // A4 ADC input select
+ // channel 5 is unused, reserved for measuring current
+#endif
+
+ // Timer and ADC
+
+#ifndef TASSEL__SMCLK
+# define TASSEL__SMCLK TASSEL_2
+#endif
+#ifndef MC__UP
+# define MC__UP MC_1
+#endif
+#ifndef MC__CONTINUOUS
+# define MC__CONTINUOUS MC_2
+#endif