task pausing

2 files changed, 7 insertions, 2 deletions

diff --git a/src/display_draw.c b/src/display_draw.c
index 0d26e9a..be4becf 100644
--- a/src/display_draw.c
+++ b/src/display_draw.c
@@ -4,8 +4,8 @@
 #include <clock.h>
 
 volatile uint8_t lock = 0;
-#define LOCK while (lock) { delay(5); } lock = 1
-#define UNLOCK lock = 0
+#define LOCK while (lock) { delay(5); } task_hold(1); lock = 1
+#define UNLOCK task_hold(0); lock = 0
 
 static unsigned int curx = 0;
 static unsigned int cury = 0;
diff --git a/src/task.c b/src/task.c
index ee338de..b290e3c 100644
--- a/src/task.c
+++ b/src/task.c
@@ -16,6 +16,11 @@ static volatile int next_idx = 0;
 
 static uint8_t task_enable = 0;
 
+void task_hold(uint8_t hold)
+{
+	task_enable = !hold;
+}
+
 void task_init(void (*init)(void))
 {
 	for (int i = 0; i < MAX_TASKS; i++)