board: Fix display no clear error.

Signed-off-by: luoweiyuan <luoweiyuan@m5stack.com>

Author: luoweiyuan

m5stack/board.cpp

@@ -71,7 +71,6 @@ extern "C" {
     {
         auto cfg = M5.config();
         cfg.output_power = false;
-        cfg.clear_display = false;
         M5.begin(cfg);
         M5.In_I2C.release();
         in_i2c_init();

m5stack/components/M5Unified/mpy_m5unified.cpp

@@ -589,6 +589,10 @@ mp_obj_t m5_begin(size_t n_args, const mp_obj_t *args) {
     }
     #endif
 
+    if (cfg.clear_display) {
+        M5.Display.clear();
+    }
+
     // default display
     m5_display.gfx = (void *)(&(M5.Display));
     // set default font to Montserrat 12, keep same style with UIFlow website UI design.

m5stack/modules/startup/__init__.py

@@ -189,7 +189,7 @@ def _connect_network_only(board_id, net_mode, ssid, pswd):
 
 
 def startup(boot_opt, timeout: int = 60) -> None:
-    M5.begin({"clear_display": False})
+    M5.begin()
     # Read saved Wi-Fi information from NVS
     nvs = esp32.NVS("uiflow")
     net_mode = nvs.get_str("net_mode")