From be84201495fa3cabd699012e57e797355e2bd792 Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Wed, 27 Jul 2016 21:28:34 -0700
Subject: [PATCH] altos: Add 'ao_button_get' to button driver

This returns the current state of the button; useful to check what the
value is at startup.

Signed-off-by: Keith Packard <keithp@keithp.com>
---
 src/drivers/ao_button.c | 6 ++++++
 src/drivers/ao_button.h | 3 +++
 2 files changed, 9 insertions(+)

diff --git a/src/drivers/ao_button.c b/src/drivers/ao_button.c
index 1be788a0..725ac45a 100644
--- a/src/drivers/ao_button.c
+++ b/src/drivers/ao_button.c
@@ -93,6 +93,12 @@ _ao_button_init(uint8_t b)
 
 }
 
+uint8_t
+ao_button_get(uint8_t b)
+{
+	return ao_button_state[b].value;
+}
+
 static void
 ao_button_isr(void)
 {
diff --git a/src/drivers/ao_button.h b/src/drivers/ao_button.h
index fe5b590e..601472f9 100644
--- a/src/drivers/ao_button.h
+++ b/src/drivers/ao_button.h
@@ -19,6 +19,9 @@
 #ifndef _AO_BUTTON_H_
 #define _AO_BUTTON_H_
 
+uint8_t
+ao_button_get(uint8_t b);
+
 void
 ao_button_init(void);
 
-- 
2.30.2