From 8506b6ad39878cd5a67a37cffed28792b24b5cfd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Kn=C3=BCttel?= <daniel.knuettel@daknuett.eu>
Date: Wed, 10 Apr 2019 11:45:10 +0200
Subject: [PATCH] added driver for one inverting charge pump

---
 analogout.c | 13 +++++++++++++
 analogout.h |  7 +++++++
 2 files changed, 20 insertions(+)
 create mode 100644 analogout.c
 create mode 100644 analogout.h

diff --git a/analogout.c b/analogout.c
new file mode 100644
index 0000000..f78a8eb
--- /dev/null
+++ b/analogout.c
@@ -0,0 +1,13 @@
+#include "analogout.h"
+#include <avr/io.h>
+
+void
+analogout_init(void)
+{
+	DDRD |= _BV(PD5);
+	TCCR0A = _BV(COM0B1) | _BV(WGM01) | _BV(WGM00);
+	TCCR0B = _BV(CS00);
+	OCR0B = 0xff / 2;
+}
+
+
diff --git a/analogout.h b/analogout.h
new file mode 100644
index 0000000..0fbcac9
--- /dev/null
+++ b/analogout.h
@@ -0,0 +1,7 @@
+#ifndef  _ANALOGOUT_H_
+#define _ANALOGOUT_H_
+
+void
+analogout_init(void);
+
+#endif