From 14baacc4bf1bc3b39a7cafb82373366e9e67b359 Mon Sep 17 00:00:00 2001
From: August Quint <49277349+AugustQu@users.noreply.github.com>
Date: Mon, 3 Feb 2020 15:27:49 +0100
Subject: [PATCH] Update sdcard.cpp

---
 src/sdcard.cpp | 40 ++++++++++++++++++++++++++++++++++++++--
 1 file changed, 38 insertions(+), 2 deletions(-)

diff --git a/src/sdcard.cpp b/src/sdcard.cpp
index 8e45ea7c..1c1256a4 100644
--- a/src/sdcard.cpp
+++ b/src/sdcard.cpp
@@ -19,7 +19,7 @@ static void createFile(void);
 
 File fileSDCard;
 
-bool sdcardInit() {
+bool sdcard_init() {
   ESP_LOGD(TAG, "looking for SD-card...");
   useSDCard = SD.begin(SDCARD_CS, SDCARD_MOSI, SDCARD_MISO, SDCARD_SCLK);
   if (useSDCard)
@@ -43,7 +43,6 @@ void sdcardWriteData(uint16_t noWifi, uint16_t noBle) {
   sprintf(tempBuffer, "%d,%d", noWifi, noBle);
   fileSDCard.print( tempBuffer);
 #if (HAS_SDS011)
-    ESP_LOGD(TAG, "fine-dust-values: %5.1f,%4.1f", pm10, pm25);
     sprintf(tempBuffer, ",%5.1f,%4.1f", pm10, pm25);
     fileSDCard.print( tempBuffer);
 #endif
@@ -84,4 +83,41 @@ void createFile(void) {
   return;
 }
 
+#endif // (HAS_SDCARD)
+
+  if (++counterWrites > 2) {
+    // force writing to SD-card
+    ESP_LOGD(TAG, "flushing data to card");
+    fileSDCard.flush();
+    counterWrites = 0;
+  }
+}
+
+void createFile(void) {
+  char bufferFilename[8 + 1 + 3 + 1];
+
+  useSDCard = false;
+
+  for (int i = 0; i < 100; i++) {
+    sprintf(bufferFilename, SDCARD_FILE_NAME, i);
+    ESP_LOGD(TAG, "SD: looking for file <%s>", bufferFilename);
+    bool fileExists = SD.exists(bufferFilename);
+    if (!fileExists) {
+      ESP_LOGD(TAG, "SD: file does not exist: opening");
+      fileSDCard = SD.open(bufferFilename, FILE_WRITE);
+      if (fileSDCard) {
+        ESP_LOGD(TAG, "SD: name opened: <%s>", bufferFilename);
+        fileSDCard.print( SDCARD_FILE_HEADER );
+#if (HAS_SDS011)
+        fileSDCard.print( SDCARD_FILE_HEADER_SDS011 );
+#endif
+        fileSDCard.println();
+        useSDCard = true;
+        break;
+      }
+    }
+  }
+  return;
+}
+
 #endif // (HAS_SDCARD)