From d991d7c56331e2739d794bf4a3dff50570e8463b Mon Sep 17 00:00:00 2001
From: Correl <correl@gmail.com>
Date: Tue, 11 Apr 2023 18:43:22 -0400
Subject: [PATCH] Mount SD card on startup

---
 src/main.cpp | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/src/main.cpp b/src/main.cpp
index ea3c8a1..c6e0ecb 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,4 +1,5 @@
 #include <Arduino.h>
+#include <SD.h>
 #include <M5Unified.h>
 #include <WiFi.h>
 #include <ESPAsyncWebServer.h>
@@ -733,8 +734,10 @@ protected:
     }
 };
 
+
 App* app;
 App::Choices current_app;
+bool sd_ok = false;
 
 void setup(void) {
     auto cfg = M5.config();
@@ -746,6 +749,18 @@ void setup(void) {
     M5.Display.init();
     M5.Display.setTextSize(3);
     M5.Display.setCursor(0, M5.Display.height() / 4);
+    M5.Display.print("Mounting SD.");
+    sd_ok = SD.begin(GPIO_NUM_4, SPI, 25000000);
+    int sd_tries = 1;
+    while (!sd_ok) {
+        sd_tries++;
+        if (sd_tries > 5) break;
+        delay(500);
+        M5.Display.print(".");
+        sd_ok = SD.begin(GPIO_NUM_4, SPI, 25000000);
+    }
+    M5.Display.println(sd_ok ? "ok." : "failed.");
+    delay(500);
     M5.Display.println("Starting up...");
 
     app = new System;