New changes according to the review : Priority 0 for display, 1 for system, timer and ble host, and 2 for ble LL

Author: JF002

src/FreeRTOSConfig.h

@@ -60,7 +60,7 @@
 #define configUSE_TICKLESS_IDLE_SIMPLE_DEBUG    0 /* See into vPortSuppressTicksAndSleep source code for explanation */
 #define configCPU_CLOCK_HZ                      (SystemCoreClock)
 #define configTICK_RATE_HZ                      1024
-#define configMAX_PRIORITIES                    (4)
+#define configMAX_PRIORITIES                    (3)
 #define configMINIMAL_STACK_SIZE                (120)
 #define configTOTAL_HEAP_SIZE                   (1024 * 17)
 #define configMAX_TASK_NAME_LEN                 (4)

src/components/ble/NimbleController.cpp

@@ -77,6 +77,7 @@ int GAPEventCallback(struct ble_gap_event* event, void* arg) {
 
 void NimbleController::Init() {
   while (!ble_hs_synced()) {
+    vTaskDelay(10);
   }
 
   nptr = this;

src/libs/mynewt-nimble/porting/npl/freertos/src/nimble_port_freertos.c

@@ -38,7 +38,7 @@ nimble_port_freertos_init(TaskFunction_t host_task_fn)
      * since it has compatible prototype.
      */
     xTaskCreate(nimble_port_ll_task_func, "ll", configMINIMAL_STACK_SIZE + 200,
-                NULL, 3, &ll_task_h);
+                NULL, 2, &ll_task_h);
 #endif
 
     /*
@@ -47,5 +47,5 @@ nimble_port_freertos_init(TaskFunction_t host_task_fn)
      * default queue it is just easier to make separate task which does this.
      */
     xTaskCreate(host_task_fn, "ble", configMINIMAL_STACK_SIZE + 600,
-                NULL, 2, &host_task_h);
+                NULL, 1, &host_task_h);
 }