From b0a254438b950cafddb70240d24edc55e3b2763f Mon Sep 17 00:00:00 2001
From: dakkar <dakkar@thenautilus.net>
Date: Fri, 1 Apr 2022 11:23:44 +0100
Subject: debug prints

---
 datalog.h | 10 ++++++++--
 main.ino  |  2 --
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/datalog.h b/datalog.h
index 39473e3..029ec61 100644
--- a/datalog.h
+++ b/datalog.h
@@ -21,8 +21,11 @@ public:
 
   void start() {
     SDSPI.begin(SDCARD_SCLK, SDCARD_MISO, SDCARD_MOSI);
-    SD.begin(SDCARD_CS, SDSPI);
+    bool sdok=SD.begin(SDCARD_CS, SDSPI);
+    Serial.print("sdok: ");Serial.println(sdok);
+    Serial.println(SD.cardSize());
     logfile = SD.open("air-quality.csv",FILE_APPEND,true);
+    Serial.print("file: ");Serial.println(logfile.path());
     linesSinceLastFlush=0;
   }
 
@@ -44,11 +47,14 @@ public:
 
             data->batteryVoltage
             );
-    logfile.write((uint8_t *)line,65);
+    size_t written=logfile.write((uint8_t *)line,65);
     Serial.write(line);
+    Serial.print("written: ");Serial.println(written);
     if (++linesSinceLastFlush > flushThreshold) {
       logfile.flush();
       linesSinceLastFlush=0;
+
+      Serial.println("flushed");
     }
   }
 };
diff --git a/main.ino b/main.ino
index 9fcabbe..e51c3ea 100644
--- a/main.ino
+++ b/main.ino
@@ -29,8 +29,6 @@ void setup() {
   display.start();
   display.show(&data);
 
-  // I think this has to come after the display.start(), they may both
-  // use the same SPI thing
   datalog.start();
 
   battery.start();
-- 
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