demo/high_res: add compatibility for board with no button configured

If button configuration is not detected, then screen should not block input on sliding Lock on HMI. Signed-off-by: Divyansh Mittal <[email protected]>
TexasInstruments · Jan 27, 2025 · 98f0151 · 98f0151
1 parent f526522
commit 98f0151
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Showing 2 changed files with 4 additions and 1 deletion.
diff --git a/demos/high_res/button.c b/demos/high_res/button.c
@@ -14,6 +14,7 @@
 #include <sys/mman.h>
 #include "lv_demo_high_res_private.h"
 
+int button_configured = 0;
 
 const char *ev_type[EV_CNT] = {
 	[EV_SYN]       = "EV_SYN",
@@ -57,6 +58,7 @@ void *button_init(lv_demo_high_res_api_t * api)
             int len_dev = strlen(dev);
             int len_buffer = strlen(buffer);
             dev[len_dev - 1] = buffer[len_buffer - 2];
+            button_configured = 1;
         }
         else{
             printf("Button not Configured\n");

diff --git a/demos/high_res/lv_demo_high_res_api_example.c b/demos/high_res/lv_demo_high_res_api_example.c
@@ -48,6 +48,7 @@ int delay_millis = 1000;
 pthread_mutex_t delay_lock;
 pthread_mutex_t playing_now_lock;
 int playing_now=0;
+extern int button_configured;
 
 /**********************
  *   GLOBAL FUNCTIONS
@@ -135,7 +136,7 @@ static void output_subject_observer_cb(lv_observer_t * observer, lv_subject_t *
         delay_millis = (int)(20.0+(1-fraction_delay)*230.0);
         pthread_mutex_unlock(&delay_lock);
     }
-    else if(strcmp(subject_name, "locked") == 0){
+    else if(button_configured && strcmp(subject_name, "locked") == 0){
         lv_lock();
         int lock_status = lv_subject_get_int(subject);
         lv_indev_enable(NULL, !lock_status);