Allow specifying a startup delay before initializing storage hardware.

Author: Seppo Takalo

mbed_lib.json

@@ -41,6 +41,10 @@
             "help": "bootloader size",
             "value": "(32*1024)",
             "macro_name": "MBED_BOOTLOADER_SIZE"
+        },
+        "startup-delay": {
+            "help": "Startup delay before initializing the storage hardware. (In milliseconds)",
+            "value": 0
         }
     },
     "macros": [

source/main.cpp

@@ -61,6 +61,10 @@ int main(void)
     mbed_trace_print_function_set(boot_debug);
 #endif // MBED_CONF_MBED_TRACE_ENABLE
 
+#if MBED_CONF_MBED_BOOTLOADER_STARTUP_DELAY
+    ThisThread::sleep_for(MBED_CONF_MBED_BOOTLOADER_STARTUP_DELAY);
+#endif // MBED_CONF_MBED_BOOTLOADER_STARTUP_DELAY
+
     /* Initialize PAL */
     arm_uc_error_t ucp_result = MBED_CLOUD_CLIENT_UPDATE_STORAGE.Initialize(arm_ucp_event_handler);
     if (ucp_result.error != ERR_NONE) {