From a093ad6f13b6eb46075c179ade93bf07fb0d93a0 Mon Sep 17 00:00:00 2001
From: Giovanni Di Sirio <gdisirio@gmail.com>
Date: Thu, 31 Aug 2017 14:17:35 +0000
Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@10515
 35acf78f-673a-0410-8e92-d51de3d6d3f4

---
 testhal/STM32/multi/PAL/cfg-stm32l476_discovery/portab.h |  1 +
 testhal/STM32/multi/PAL/main.c                           | 16 +++++++---------
 2 files changed, 8 insertions(+), 9 deletions(-)

diff --git a/testhal/STM32/multi/PAL/cfg-stm32l476_discovery/portab.h b/testhal/STM32/multi/PAL/cfg-stm32l476_discovery/portab.h
index a887e3190..69ebdd3d1 100644
--- a/testhal/STM32/multi/PAL/cfg-stm32l476_discovery/portab.h
+++ b/testhal/STM32/multi/PAL/cfg-stm32l476_discovery/portab.h
@@ -32,6 +32,7 @@
 #define PORTAB_LINE_LED1            LINE_LED_GREEN
 #define PORTAB_LINE_LED2            LINE_LED_RED
 #define PORTAB_LINE_BUTTON          LINE_JOY_CENTER
+#define PORTAB_BUTTON_PRESSED       PAL_HIGH
 
 /*===========================================================================*/
 /* Module pre-compile time settings.                                         */
diff --git a/testhal/STM32/multi/PAL/main.c b/testhal/STM32/multi/PAL/main.c
index 81d520cc5..5c1660c50 100644
--- a/testhal/STM32/multi/PAL/main.c
+++ b/testhal/STM32/multi/PAL/main.c
@@ -31,28 +31,26 @@ static THD_FUNCTION(Thread1, arg) {
   (void)arg;
   chRegSetThreadName("blinker");
   while (true) {
-    systime_t time = palReadLine(PORTAB_LINE_BUTTON) == PAL_LOW ? 500 : 250;
-    palClearLine(PORTAB_LINE_LED2);
-    chThdSleepMilliseconds(time);
-    palSetLine(PORTAB_LINE_LED2);
+    systime_t time = palReadLine(PORTAB_LINE_BUTTON) == PORTAB_BUTTON_PRESSED ? 250 : 500;
+    palToggleLine(PORTAB_LINE_LED2);
     chThdSleepMilliseconds(time);
   }
 }
 #endif
 
-event_source_t button_pressed_event;
-event_source_t button_released_event;
+static event_source_t button_pressed_event;
+static event_source_t button_released_event;
 
 static void button_cb(void *arg) {
 
   (void)arg;
 
   chSysLockFromISR();
-  if (palReadLine(PORTAB_LINE_BUTTON) == PAL_LOW) {
-    chEvtBroadcastI(&button_released_event);
+  if (palReadLine(PORTAB_LINE_BUTTON) == PORTAB_BUTTON_PRESSED) {
+    chEvtBroadcastI(&button_pressed_event);
   }
   else {
-    chEvtBroadcastI(&button_pressed_event);
+    chEvtBroadcastI(&button_released_event);
   }
   chSysUnlockFromISR();
 }
-- 
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