X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=common%2Fadc.h;fp=common%2Fadc.h;h=d9cff6b1b961a88c1c0c498533814d5d8f058a0a;hb=3c070b8fc92fe0506e29d0c0491038be241f7107;hp=0000000000000000000000000000000000000000;hpb=912c9026215483f1755c2291370208f43e1a7b2c;p=model-railway-devices.git

diff --git a/common/adc.h b/common/adc.h
new file mode 100644
index 0000000..d9cff6b
--- /dev/null
+++ b/common/adc.h
@@ -0,0 +1,17 @@
+#ifndef ADC_H_
+#define ADC_H_
+
+#include <avr/interrupt.h>
+
+#define ADC_SET_CALLBACK(f) \
+	ISR(ADC_vect) \
+	{ \
+		uint16_t v = ADCL; \
+		v |= ADCH<<8; \
+		f(v); \
+	}
+
+void adc_init();
+void adc_read_async(uint8_t);
+
+#endif