From 746fe26b538f9dc6fcedaaaee4e0e542d53ffe50 Mon Sep 17 00:00:00 2001
From: Stanley Huang <stanleyhuangyc@gmail.com>
Date: Thu, 24 Apr 2014 20:40:44 +0800
Subject: Update data logger for Arduino UNO
---
unologger/config.h | 13 ++-----
unologger/datalogger.h | 67 +++++---------------------------
unologger/unologger.ino | 101 ++++++++++++++++++------------------------------
3 files changed, 50 insertions(+), 131 deletions(-)
(limited to 'unologger')
diff --git a/unologger/config.h b/unologger/config.h
index 4aabb59..fc21b41 100644
--- a/unologger/config.h
+++ b/unologger/config.h
@@ -13,11 +13,13 @@
/**************************************
* Data logging/streaming out
**************************************/
-#define ENABLE_DATA_OUT 1
-#define ENABLE_DATA_LOG 0
+#define ENABLE_DATA_OUT 0
+#define ENABLE_DATA_LOG 1
#define USE_SOFTSERIAL 0
//this defines the format of log file
#define LOG_FORMAT FORMAT_CSV
+#define STREAM_FORMAT FORMAT_CSV
+#define STREAM_BAUDRATE 115200
/**************************************
* Default working mode
@@ -33,13 +35,6 @@
//#define SD_CS_PIN 7 // microduino
#define SD_CS_PIN 10 // SD breakout
-/**************************************
-* Config GPS here
-**************************************/
-#define USE_GPS 0
-#define GPS_BAUDRATE 38400 /* bps */
-//#define GPS_OPEN_BAUDRATE 4800 /* bps */
-
/**************************************
* Choose LCD model here
**************************************/
diff --git a/unologger/datalogger.h b/unologger/datalogger.h
index 8009a80..bda1e19 100644
--- a/unologger/datalogger.h
+++ b/unologger/datalogger.h
@@ -63,14 +63,6 @@ typedef struct {
#define PID_ACC 0xF020
#define PID_GYRO 0xF021
-#define PID_MESSAGE 0xFE00
-#define PID_HEART_BEAT 0xFFEE
-
-#define MSG_FILE_LIST_BEGIN 0x1
-#define MSG_FILE_LIST_END 0x2
-#define MSG_FILE_INFO 0x3
-#define MSG_FILE_REQUEST 0x4
-
#if LOG_FORMAT == FORMAT_BIN
#define FILE_NAME_FORMAT "/DAT%05d.LOG"
#else
@@ -89,75 +81,34 @@ typedef struct {
SoftwareSerial SerialBLE(A2, A3); /* for BLE Shield on UNO/leonardo*/
#endif
-#define OUTPUT_BAUDRATE 9600
-
#else
#define SerialBLE Serial
-#define OUTPUT_BAUDRATE 115200
#endif
#endif
-void btInit(int baudrate);
-void btSend(byte* data, byte length);
-
class CDataLogger {
public:
void initSender()
{
#if ENABLE_DATA_OUT
- SerialBLE.begin(OUTPUT_BAUDRATE);
+ SerialBLE.begin(STREAM_BAUDRATE);
#endif
#if ENABLE_DATA_LOG && LOG_FORMAT == FORMAT_CSV
m_lastDataTime = 0;
#endif
}
-#if ENABLE_DATA_OUT
- void sendFileInfo(File& file)
- {
- if (file.size() < HEADER_LEN) return;
-
- LOG_DATA_FILE_INFO info = {0};
- info.fileIndex = atol(file.name() + 3);
- if (info.fileIndex == 0) return;
-
- HEADER hdr;
- if (file.readBytes((char*)&hdr, sizeof(hdr)) != sizeof(hdr)) return;
-
- info.pid = PID_MESSAGE;
- info.message = MSG_FILE_INFO;
- info.fileSize = file.size();
- info.time = hdr.dateTime;
- info.logType = hdr.logType;
- info.logFlags = hdr.flags;
- info.checksum = getChecksum((char*)&info, sizeof(info));
- SerialBLE.write((uint8_t*)&info, sizeof(info));
- }
- void sendCommand(byte message, void* data = 0, byte bytes = 0)
+ void logData(char c)
{
- LOG_DATA_COMMAND msg = {0, PID_MESSAGE, message};
- if (data) memcpy(msg.data, data, bytes);
- msg.checksum = getChecksum((char*)&msg, sizeof(msg));
- SerialBLE.write((uint8_t*)&msg, sizeof(msg));
- }
- bool receiveCommand(LOG_DATA_COMMAND& msg)
- {
- if (!SerialBLE.available())
- return false;
-
- if (SerialBLE.readBytes((char*)&msg, sizeof(msg)) != sizeof(msg))
- return false;
-
- uint8_t checksum = msg.checksum;
- msg.checksum = 0;
- if (getChecksum((char*)&msg, sizeof(msg)) != msg.checksum) {
- return false;
- }
- return true;
- }
+#if ENABLE_DATA_OUT && STREAM_FORMAT == FORMAT_CSV
+ SerialBLE.write(c);
+#endif
+#if ENABLE_DATA_LOG
+ if (sdfile) dataSize += sdfile.write(c);
#endif
+ }
void logData(uint16_t pid, int value)
{
#if LOG_FORMAT == FORMAT_BIN || STREAM_FORMAT == FORMAT_BIN
@@ -386,7 +337,7 @@ public:
uint32_t dataTime;
uint32_t dataSize;
private:
- static byte getChecksum(char* buffer, byte len)
+ byte getChecksum(char* buffer, byte len)
{
uint8_t checksum = 0;
for (byte i = 0; i < len; i++) {
diff --git a/unologger/unologger.ino b/unologger/unologger.ino
index 49245a6..d09a40d 100644
--- a/unologger/unologger.ino
+++ b/unologger/unologger.ino
@@ -1,16 +1,18 @@
/*************************************************************************
-* Arduino GPS/OBD-II/G-Force Data Logger
+* Arduino OBD-II/G-Force Data Logger
* Distributed under GPL v2.0
* Copyright (c) 2013 Stanley Huang <stanleyhuangyc@gmail.com>
* All rights reserved.
*************************************************************************/
#include <Arduino.h>
-#include <Wire.h>
#include <OBD.h>
#include <SPI.h>
#include <SD.h>
+#include <Wire.h>
+#if USE_MPU6050
#include <MPU6050.h>
+#endif
#include "MultiLCD.h"
#include "images.h"
#include "config.h"
@@ -22,8 +24,6 @@
// logger states
#define STATE_SD_READY 0x1
#define STATE_OBD_READY 0x2
-#define STATE_GPS_FOUND 0x4
-#define STATE_GPS_READY 0x8
#define STATE_ACC_READY 0x10
#define STATE_SLEEPING 0x20
@@ -80,35 +80,41 @@ public:
*/
#if ENABLE_DATA_LOG
- uint16_t index = openFile(LOG_TYPE_DEFAULT, flags);
- lcd.setFont(FONT_SIZE_SMALL);
- lcd.setCursor(86, 0);
- if (index) {
- lcd.write('[');
- lcd.setFlags(FLAG_PAD_ZERO);
- lcd.printInt(index, 5);
- lcd.setFlags(0);
- lcd.write(']');
- } else {
- lcd.print("NO LOG");
+ if (state & STATE_SD_READY) {
+ uint16_t index = openFile();
+ lcd.setFont(FONT_SIZE_SMALL);
+ lcd.setCursor(86, 0);
+ if (index) {
+ lcd.write('[');
+ lcd.setFlags(FLAG_PAD_ZERO);
+ lcd.printInt(index, 5);
+ lcd.setFlags(0);
+ lcd.write(']');
+ } else {
+ lcd.print("NO LOG");
+ }
+ delay(100);
}
- delay(100);
#endif
#if ENABLE_DATA_LOG
// open file for logging
if (!(state & STATE_SD_READY)) {
+ lcd.setFont(FONT_SIZE_MEDIUM);
+ lcd.setCursor(0, 8);
if (checkSD()) {
state |= STATE_SD_READY;
showStates();
+ delay(1000);
}
}
#endif
-#if 0
+ /*
showECUCap();
delay(3000);
-#endif
+ */
+
initScreen();
}
void benchmark()
@@ -171,7 +177,7 @@ public:
Sd2Card card;
SdVolume volume;
state &= ~STATE_SD_READY;
- pinMode(SS, OUTPUT);
+ pinMode(SD_CS_PIN, OUTPUT);
if (card.init(SPI_FULL_SPEED, SD_CS_PIN)) {
const char* type;
@@ -206,7 +212,8 @@ public:
lcd.print("GB");
} else {
lcd.print("SD ");
- lcd.draw(cross, 16, 16);
+ showTickCross(false);
+ digitalWrite(SD_CS_PIN, HIGH);
return false;
}
@@ -243,8 +250,8 @@ private:
}
#if ENABLE_DATA_LOG
- // flush SD data every 4KB
- if (dataSize - lastFileSize >= 4096) {
+ // flush SD data every 1KB
+ if (dataSize - lastFileSize >= 1024) {
flushFile();
lastFileSize = dataSize;
// display logged data size
@@ -261,7 +268,6 @@ private:
dataTime = millis();
// log x/y/z of accelerometer
logData(PID_ACC, data.value.x_accel, data.value.y_accel, data.value.z_accel);
- //showGForce(data.value.y_accel);
// log x/y/z of gyro meter
logData(PID_GYRO, data.value.x_gyro, data.value.y_gyro, data.value.z_gyro);
}
@@ -334,8 +340,6 @@ private:
lcd.backlight(true);
setup();
}
- byte state;
-
void showTickCross(bool yes)
{
lcd.setTextColor(yes ? RGB16_GREEN : RGB16_RED);
@@ -353,35 +357,6 @@ private:
lcd.print("ACC ");
showTickCross(state & STATE_ACC_READY);
}
-#if USE_MPU6050
- void showGForce(int g)
- {
- byte n;
- /* 0~1.5g -> 0~8 */
- g /= 85 * 25;
- lcd.setFont(FONT_SIZE_SMALL);
- lcd.setCursor(0, 3);
- if (g == 0) {
- lcd.clearLine(1);
- } else if (g < 0 && g >= -10) {
- for (n = 0; n < 10 + g; n++) {
- lcd.write(' ');
- }
- for (; n < 10; n++) {
- lcd.write('<');
- }
- lcd.print(" ");
- } else if (g > 0 && g < 10) {
- lcd.print(" ");
- for (n = 0; n < g; n++) {
- lcd.write('>');
- }
- for (; n < 10; n++) {
- lcd.write(' ');
- }
- }
- }
-#endif
void showData(byte pid, int value)
{
switch (pid) {
@@ -431,11 +406,13 @@ private:
void showChart(int value)
{
static uint16_t pos = 0;
- if (value < 500) return;
- byte n = (value - 600) / 30;
- lcd.fill(pos, pos, 239 - n, 239, RGB16_CYAN);
+ if (value >= 500) {
+ byte n = (value - 600) / 30;
+ if (n > 130) n = 130;
+ lcd.fill(pos, pos, 239 - n, 239, RGB16_CYAN);
+ }
pos = (pos + 1) % 320;
- lcd.fill(pos, pos, 120, 239);
+ lcd.fill(pos, pos, 110, 239);
}
void initLoggerScreen()
{
@@ -490,6 +467,7 @@ private:
//lcd.setCursor(80, 5);
//lcd.print("AIR: C");
}
+ byte state;
};
static COBDLogger logger;
@@ -499,17 +477,12 @@ void setup()
lcd.begin();
lcd.setFont(FONT_SIZE_MEDIUM);
lcd.setTextColor(RGB16_YELLOW);
- lcd.println("UnoLogger");
+ lcd.println("UNOLOGGER");
lcd.setTextColor(RGB16_WHITE);
logger.begin();
logger.initSender();
-#if ENABLE_DATA_LOG
- lcd.setFont(FONT_SIZE_MEDIUM);
- lcd.setCursor(0, 4);
- logger.checkSD();
-#endif
logger.setup();
}
--
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