From 264c9a9286071ae98f2294e8f202b54291daf5f7 Mon Sep 17 00:00:00 2001
From: Theodore Ateba <tf.ateba@gmail.com>
Date: Wed, 13 Sep 2017 21:36:07 +0000
Subject: Add Line LED definition and comment.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@10582 35acf78f-673a-0410-8e92-d51de3d6d3f4
---
 os/hal/boards/ARDUINO_MEGA/board.h | 110 +++++++++++++++++++++++++------------
 1 file changed, 76 insertions(+), 34 deletions(-)

(limited to 'os/hal/boards/ARDUINO_MEGA/board.h')

diff --git a/os/hal/boards/ARDUINO_MEGA/board.h b/os/hal/boards/ARDUINO_MEGA/board.h
index 40a7b9fb1..c455598af 100644
--- a/os/hal/boards/ARDUINO_MEGA/board.h
+++ b/os/hal/boards/ARDUINO_MEGA/board.h
@@ -27,51 +27,93 @@
 #define BOARD_ARDUINO_MEGA
 #define BOARD_NAME "Arduino Mega"
 
-/* All inputs with pull-ups */
-#define VAL_DDRA  0x00
-#define VAL_PORTA 0xFF
+/*
+ * IO pins assignments.
+ */
+#define PORTB_LED1  7
 
-/* All inputs except PB7 which has a LED connected */
-#define VAL_DDRB  0x80
-#define VAL_PORTB 0xFF
 
-/* All inputs with pull-ups */
-#define VAL_DDRC  0x00
-#define VAL_PORTC 0xFF
+/*
+ * IO lines assignments.
+ */
+#define LINE_LED1   PAL_LINE(IOPORT2, 7U)
+
+/*
+ * Port A setup.
+ * All inputs with pull-ups.
+ */
+#define VAL_DDRA    0x00
+#define VAL_PORTA   0xFF
+
+/*
+ * Port B setup.
+ * All inputs except PB7 which has a LED connected.
+ */
+#define VAL_DDRB    0x80
+#define VAL_PORTB   0xFF
 
-/* All inputs with pull-ups */
-#define VAL_DDRD  0x00
-#define VAL_PORTD 0xFF
+/*
+ * Port C setup.
+ * All inputs with pull-ups.
+ */
+#define VAL_DDRC    0x00
+#define VAL_PORTC   0xFF
 
-/* All inputs except PE1 (Serial TX0) */
-#define VAL_DDRE  0x02
-#define VAL_PORTE 0xFF
+/*
+ * Port D setup.
+ * All inputs with pull-ups.
+ */
+#define VAL_DDRD    0x00
+#define VAL_PORTD   0xFF
 
-/* All inputs with pull-ups */
-#define VAL_DDRF  0x00
-#define VAL_PORTF 0xFF
+/*
+ * Port E setup.
+ * All inputs except PE1 (Serial TX0).
+ */
+#define VAL_DDRE    0x02
+#define VAL_PORTE   0xFF
 
-/* All inputs with pull-ups */
-#define VAL_DDRG  0x00
-#define VAL_PORTG 0xFF
+/*
+ * Port F setup.
+ * All inputs with pull-ups.
+ */
+#define VAL_DDRF    0x00
+#define VAL_PORTF   0xFF
 
-/* All inputs with pull-ups */
-#define VAL_DDRH  0x00
-#define VAL_PORTH 0xFF
+/*
+ * Port G setup.
+ * All inputs with pull-ups.
+ */
+#define VAL_DDRG    0x00
+#define VAL_PORTG   0xFF
 
-/* All inputs with pull-ups */
-#define VAL_DDRJ  0x00
-#define VAL_PORTJ 0xFF
+/*
+ * Port H setup.
+ * All inputs with pull-ups.
+ */
+#define VAL_DDRH    0x00
+#define VAL_PORTH   0xFF
 
-/* All inputs with pull-ups */
-#define VAL_DDRK  0x00
-#define VAL_PORTK 0xFF
+/*
+ * Port J setup.
+ * All inputs with pull-ups.
+ */
+#define VAL_DDRJ    0x00
+#define VAL_PORTJ   0xFF
 
-/* All inputs with pull-ups */
-#define VAL_DDRL  0x00
-#define VAL_PORTL 0xFF
+/*
+ * Port K setup.
+ * All inputs with pull-ups.
+ */
+#define VAL_DDRK    0x00
+#define VAL_PORTK   0xFF
 
-#define PORTB_LED1        7
+/*
+ * Port L setup.
+ * All inputs with pull-ups.
+ */
+#define VAL_DDRL    0x00
+#define VAL_PORTL   0xFF
 
 #if !defined(_FROM_ASM_)
 #ifdef __cplusplus
-- 
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