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-rw-r--r--megalogger/config.h5
-rw-r--r--megalogger/datalogger.h13
-rw-r--r--megalogger/megalogger.ino68
3 files changed, 52 insertions, 34 deletions
diff --git a/megalogger/config.h b/megalogger/config.h
index fa81858..4a3060e 100644
--- a/megalogger/config.h
+++ b/megalogger/config.h
@@ -14,7 +14,6 @@
**************************************/
// enable(1)/disable(0) data logging (if SD card is present)
#define ENABLE_DATA_LOG 1
-
#define SD_CS_PIN SS
/**************************************
@@ -40,7 +39,7 @@
#define VERBOSE 0
/**************************************
-* Config GPS here
+* GPS configuration
**************************************/
#define USE_GPS 1
#define GPSUART Serial2
@@ -56,7 +55,7 @@
/**************************************
* Timeout/interval options
**************************************/
-#define OBD_MIN_INTERVAL 25 /* ms */
+#define OBD_MIN_INTERVAL 20 /* ms */
#define ACC_DATA_INTERVAL 200 /* ms */
#define GPS_DATA_TIMEOUT 2000 /* ms */
diff --git a/megalogger/datalogger.h b/megalogger/datalogger.h
index aae4034..920af4c 100644
--- a/megalogger/datalogger.h
+++ b/megalogger/datalogger.h
@@ -1,3 +1,11 @@
+/*************************************************************************
+* Arduino Data Logger Class
+* Distributed under GPL v2.0
+* Copyright (c) 2013-2014 Stanley Huang <stanleyhuangyc@gmail.com>
+* All rights reserved.
+* Visit http://freematics.com for more information
+*************************************************************************/
+
#define FORMAT_BIN 0
#define FORMAT_CSV 1
@@ -143,7 +151,8 @@ public:
{
uint16_t fileIndex;
char filename[24] = "/FRMATICS";
-
+
+ dataSize = 0;
if (SD.exists(filename)) {
for (fileIndex = 1; fileIndex; fileIndex++) {
sprintf(filename + 9, FILE_NAME_FORMAT, fileIndex);
@@ -163,8 +172,6 @@ public:
if (!sdfile) {
return 0;
}
-
- dataSize = sdfile.print(idstr);
return fileIndex;
}
void closeFile()
diff --git a/megalogger/megalogger.ino b/megalogger/megalogger.ino
index 4b79d7c..5e85f3d 100644
--- a/megalogger/megalogger.ino
+++ b/megalogger/megalogger.ino
@@ -1,8 +1,9 @@
/*************************************************************************
* Arduino GPS/OBD-II/G-Force Data Logger
* Distributed under GPL v2.0
-* Copyright (c) 2013 Stanley Huang <stanleyhuangyc@gmail.com>
+* Copyright (c) 2013-2014 Stanley Huang <stanleyhuangyc@gmail.com>
* All rights reserved.
+* Visit http://freematics.com for more information
*************************************************************************/
#include <Arduino.h>
@@ -17,7 +18,7 @@
#include <SPI.h>
#include "config.h"
#include "images.h"
-#if ENABLE_DATA_OUT
+#if ENABLE_DATA_OUT && USE_SOFTSERIAL
#include <SoftwareSerial.h>
#endif
#include "datalogger.h"
@@ -53,7 +54,7 @@ static uint32_t startTime = 0;
static byte pidTier1[]= {PID_RPM, PID_SPEED, PID_ENGINE_LOAD, PID_THROTTLE};
static byte pidTier2[] = {PID_INTAKE_MAP, PID_MAF_FLOW, PID_TIMING_ADVANCE};
-static byte pidTier3[] = {PID_COOLANT_TEMP, PID_INTAKE_TEMP, PID_AMBIENT_TEMP, PID_FUEL_LEVEL};
+static byte pidTier3[] = {PID_COOLANT_TEMP, PID_INTAKE_TEMP, PID_AMBIENT_TEMP, PID_FUEL_LEVEL, PID_DISTANCE};
#define TIER_NUM1 sizeof(pidTier1)
#define TIER_NUM2 sizeof(pidTier2)
@@ -147,7 +148,7 @@ public:
}
}
- if (dataTime >> 10 != lastRefreshTime) {
+ if ((dataTime >> 10) != lastRefreshTime) {
char buf[10];
unsigned int sec = (dataTime - startTime) / 1000;
sprintf(buf, "%02u:%02u", sec / 60, sec % 60);
@@ -365,7 +366,6 @@ private:
sendQuery(pid);
pid = 0;
if (!getResult(pid, value)) {
- errors++;
return;
}
@@ -429,7 +429,7 @@ private:
lcd.backlight(false);
lcd.clear();
}
- if (getState() != OBD_CONNECTED && !init())
+ if ((getState() != OBD_CONNECTED || errors > 1) && !init())
continue;
int value;
@@ -476,29 +476,52 @@ private:
}
lcd.setColor(RGB16_WHITE);
}
+ void setColorByValue(int value, int threshold1, int threshold2, int threshold3)
+ {
+ if (value < threshold1) {
+ lcd.setColor(RGB16_WHITE);
+ } else if (value < threshold2) {
+ byte n = (uint32_t)(threshold2 - value) * 255 / (threshold2 - threshold1);
+ lcd.setColor(255, 255, n);
+ } else if (value < threshold3) {
+ byte n = (uint32_t)(threshold3 - value) * 255 / (threshold3 - threshold2);
+ lcd.setColor(255, n, 0);
+ } else {
+ lcd.setColor(255, 0, 0);
+ }
+ }
void showSensorData(byte pid, int value)
{
+ static int lastSpeed;
char buf[8];
switch (pid) {
case PID_RPM:
lcd.setFontSize(FONT_SIZE_XLARGE);
lcd.setCursor(34, 7);
- lcd.printInt((unsigned int)value % 10000, 4);
+ if (value >= 10000) break;
+ setColorByValue(value, 2500, 3500, 4500);
+ lcd.printInt(value, 4);
break;
case PID_SPEED:
lcd.setFontSize(FONT_SIZE_XLARGE);
lcd.setCursor(50, 2);
+ if (value > 350) break;
+ setColorByValue(value, 60, 100, 150);
lcd.printInt((unsigned int)value % 1000, 3);
break;
case PID_THROTTLE:
- lcd.setFontSize(FONT_SIZE_SMALL);
- lcd.setCursor(39, 12);
- lcd.printInt(value % 100, 3);
+ lcd.setFontSize(FONT_SIZE_MEDIUM);
+ lcd.setCursor(42, 11);
+ if (value >= 100) break;
+ setColorByValue(value, 50, 75, 90);
+ lcd.printInt(value, 2);
break;
- case PID_INTAKE_TEMP:
- lcd.setFontSize(FONT_SIZE_SMALL);
- lcd.setCursor(102, 12);
- lcd.printInt(value % 1000, 3);
+ case PID_ENGINE_LOAD:
+ lcd.setFontSize(FONT_SIZE_MEDIUM);
+ lcd.setCursor(116, 11);
+ if (value >= 100) break;
+ setColorByValue(value, 50, 75, 90);
+ lcd.printInt(value, 2);
break;
case PID_DISTANCE:
if ((unsigned int)value >= startDistance) {
@@ -509,6 +532,7 @@ private:
}
break;
}
+ lcd.setColor(RGB16_WHITE);
}
void initScreen()
{
@@ -529,8 +553,8 @@ private:
lcd.print("rpm");
lcd.setCursor(15, 12);
lcd.print("THR: %");
- lcd.setCursor(78, 12);
- lcd.print("AIR: C");
+ lcd.setCursor(84, 12);
+ lcd.print("LOAD: %");
//lcd.setFont(FONT_SIZE_MEDIUM);
lcd.setCursor(185, 2);
@@ -578,18 +602,6 @@ private:
static COBDLogger logger;
-#if ENABLE_DATA_OUT && USE_OBD_BT
-void btInit(int baudrate)
-{
- logger.btInit(baudrate);
-}
-
-void btSend(byte* data, byte length)
-{
- logger.btSend(data, length);
-}
-#endif
-
void setup()
{
lcd.begin();