From 128b98439c2fdd93d14e0daf2e99a7690e548d0c Mon Sep 17 00:00:00 2001
From: Markus Frey <mfrey@mailbox.org>
Date: Thu, 17 Feb 2022 11:43:07 +0100
Subject: [PATCH] Add function to get queue after initialization

---
 include/button.h | 1 +
 src/button.c     | 6 +++++-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/include/button.h b/include/button.h
index 257489a..6762ee9 100644
--- a/include/button.h
+++ b/include/button.h
@@ -37,6 +37,7 @@ typedef struct {
 
 QueueHandle_t button_init(unsigned long long pin_select);
 QueueHandle_t pulled_button_init(unsigned long long pin_select, gpio_pull_mode_t pull_mode);
+QueueHandle_t button_get_queue(void);
 
 #ifdef __cplusplus
 }
diff --git a/src/button.c b/src/button.c
index ad7a9eb..f1735c1 100644
--- a/src/button.c
+++ b/src/button.c
@@ -23,7 +23,7 @@ typedef struct {
 
 int pin_count = -1;
 debounce_t * debounce;
-QueueHandle_t queue;
+QueueHandle_t queue = NULL;
 
 static void update_button(debounce_t *d) {
     d->history = (d->history << 1) | gpio_get_level(d->pin);
@@ -140,3 +140,7 @@ QueueHandle_t pulled_button_init(unsigned long long pin_select, gpio_pull_mode_t
 
     return queue;
 }
+
+QueueHandle_t button_get_queue(void) {
+    return queue;
+}