Merge pull request bitcraze#260 from fredg02/master

Add buzzer deck init parameter (bitcraze#237)
fredg02 · Nov 9, 2017 · 31f7167 · 31f7167
2 parents b8a9e14 + fee178e
commit 31f7167
Showing 1 changed file with 13 additions and 0 deletions.
diff --git a/src/deck/drivers/src/buzzdeck.c b/src/deck/drivers/src/buzzdeck.c
@@ -29,10 +29,13 @@
 #include "stm32fxxx.h"
 
 #include "deck.h"
+#include "param.h"
 
 #include "buzzer.h"
 #include "piezo.h"
 
+static bool isInit;
+
 static void buzzDeckOn(uint32_t freq)
 {
   piezoSetRatio(128);
@@ -51,8 +54,14 @@ static struct buzzerControl buzzDeckCtrl = {
 
 static void buzzDeckInit(DeckInfo *info)
 {
+  if (isInit) {
+    return;
+  }
+
   piezoInit();
   buzzerSetControl(&buzzDeckCtrl);
+
+  isInit = true;
 }
 
 static const DeckDriver buzzer_deck = {
@@ -67,3 +76,7 @@ static const DeckDriver buzzer_deck = {
 };
 
 DECK_DRIVER(buzzer_deck);
+
+PARAM_GROUP_START(deck)
+PARAM_ADD(PARAM_UINT8 | PARAM_RONLY, bcBuzzer, &isInit)
+PARAM_GROUP_STOP(deck)