- added

git-svn-id: http://moon:8086/svn/projects/HendiControl@21 fda53097-d464-4ada-af97-ba876c37ca34
2019-02-20 20:01:04 +00:00
parent 21dacf4be6
commit a794460fdc
14 changed files with 446 additions and 0 deletions
@@ -0,0 +1,27 @@
+/*
+ * adc.c
+ *
+ * Created: 20.02.2019 20:46:32
+ *  Author: jens
+ */ 
+
+#include <avr/io.h>
+#include "adc.h"
+
+void adc_init()
+{
+	PRR &= ~(1 << PRADC);
+	ADCSRA |= (1 << ADEN) | 7;
+}
+
+void adc_start_conversion(int ch)
+{
+	ADMUX = (ADMUX & 0xF0) | (ch & 0x0F) | (1 << REFS0);
+	ADCSRA |= (1 << ADSC) | (1 << ADIE);
+}
+
+int adc_is_fininshed()
+{
+	return (int)(0 == (ADCSRA & (1 << ADSC)));
+}
+