moves calling of flush_ready callback to the main task.

This should keep LVGL from using a spinning wheels to stall. Instead, the main task will yield so other tasks are able to run.

Author: kdschlosser

ext_mod/lcd_bus/esp32_src/rgb_bus.c

@@ -476,6 +476,9 @@
         self->rotation = rotation;
 
         rgb_bus_lock_release(&self->copy_lock);
+        if (self->callback != mp_const_none) {
+            mp_call_function_n_kw(self->callback, 0, 0, NULL);
+        }
 
         return LCD_OK;
     }

ext_mod/lcd_bus/esp32_src/rgb_bus_rotation.c

@@ -253,35 +253,35 @@
 
             rgb_bus_lock_release(&self->tx_color_lock);
 
-            if (self->callback != mp_const_none) {
-                volatile uint32_t sp = (uint32_t)esp_cpu_get_sp();
-
-                void *old_state = mp_thread_get_state();
-
-                mp_state_thread_t ts;
-                mp_thread_set_state(&ts);
-                mp_stack_set_top((void*)sp);
-                mp_stack_set_limit(CONFIG_FREERTOS_IDLE_TASK_STACKSIZE - 1024);
-                mp_locals_set(mp_state_ctx.thread.dict_locals);
-                mp_globals_set(mp_state_ctx.thread.dict_globals);
-
-                mp_sched_lock();
-                gc_lock();
-
-                nlr_buf_t nlr;
-                if (nlr_push(&nlr) == 0) {
-                    mp_call_function_n_kw(self->callback, 0, 0, NULL);
-                    nlr_pop();
-                } else {
-                    ets_printf("Uncaught exception in IRQ callback handler!\n");
-                    mp_obj_print_exception(&mp_plat_print, MP_OBJ_FROM_PTR(nlr.ret_val));
-                }
-
-                gc_unlock();
-                mp_sched_unlock();
-
-                mp_thread_set_state(old_state);
-            }
+//            if (self->callback != mp_const_none) {
+//                volatile uint32_t sp = (uint32_t)esp_cpu_get_sp();
+//
+//                void *old_state = mp_thread_get_state();
+//
+//                mp_state_thread_t ts;
+//                mp_thread_set_state(&ts);
+//                mp_stack_set_top((void*)sp);
+//                mp_stack_set_limit(CONFIG_FREERTOS_IDLE_TASK_STACKSIZE - 1024);
+//                mp_locals_set(mp_state_ctx.thread.dict_locals);
+//                mp_globals_set(mp_state_ctx.thread.dict_globals);
+//
+//                mp_sched_lock();
+//                gc_lock();
+//
+//                nlr_buf_t nlr;
+//                if (nlr_push(&nlr) == 0) {
+//                    mp_call_function_n_kw(self->callback, 0, 0, NULL);
+//                    nlr_pop();
+//                } else {
+//                    ets_printf("Uncaught exception in IRQ callback handler!\n");
+//                    mp_obj_print_exception(&mp_plat_print, MP_OBJ_FROM_PTR(nlr.ret_val));
+//                }
+//
+//                gc_unlock();
+//                mp_sched_unlock();
+//
+//                mp_thread_set_state(old_state);
+//            }
 
             if (last_update) {