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-rw-r--r--megalogger/config.h8
-rw-r--r--megalogger/megalogger.ino132
-rw-r--r--megalogger/touch.h106
3 files changed, 48 insertions, 198 deletions
diff --git a/megalogger/config.h b/megalogger/config.h
index e41b1a1..794e8b2 100644
--- a/megalogger/config.h
+++ b/megalogger/config.h
@@ -24,18 +24,13 @@
// uses software(1)/hardware(0) serial for data streaming
#define USE_SOFTSERIAL 0
#define RF_SERIAL Serial3
+#define STREAM_BAUDRATE 9600 /* bps */
// this defines the format of data streaming
// FORMAT_BIN is required by Freematics OBD iOS App
// FORMAT_TEXT for text-based, text names for PID
#define STREAM_FORMAT FORMAT_TEXT
-/* Default streaming baudrates:
- 9600bps for BLE
- 38400bps for BT 2.1
-*/
-#define STREAM_BAUDRATE 9600
-
/**************************************
* GPS configuration
**************************************/
@@ -59,7 +54,6 @@
/**************************************
* Timeout/interval options
**************************************/
-#define OBD_MIN_INTERVAL 20 /* ms */
#define ACC_DATA_INTERVAL 200 /* ms */
/**************************************
diff --git a/megalogger/megalogger.ino b/megalogger/megalogger.ino
index 14e15bb..83803cc 100644
--- a/megalogger/megalogger.ino
+++ b/megalogger/megalogger.ino
@@ -3,7 +3,7 @@
* Works with Freematics OBD-II Telematics Advanced Kit
* Visit http://freematics.com for more information
* Distributed under GPL v2.0
-* Written by Stanley Huang <stanleyhuangyc@gmail.com>
+* Written by Stanley Huang <support@freematics.com.au>
*************************************************************************/
#include <Arduino.h>
@@ -24,7 +24,6 @@
#include <SoftwareSerial.h>
#endif
#include "datalogger.h"
-#include "touch.h"
// logger states
#define STATE_SD_READY 0x1
@@ -56,21 +55,11 @@ static uint32_t startTime = 0;
static uint16_t lastSpeed = 0;
static uint32_t lastSpeedTime = 0;
static uint32_t gpsDate = 0;
-static uint32_t obdTime = 0;
-static uint8_t obdCount = 0;
#if USE_GPS
static uint32_t lastGPSDataTime = 0;
static int gpsSpeed = -1;
#endif
-static const byte PROGMEM pidTier1[]= {PID_RPM, PID_SPEED, PID_ENGINE_LOAD, PID_THROTTLE};
-static const byte PROGMEM pidTier2[] = {PID_INTAKE_MAP, PID_MAF_FLOW, PID_TIMING_ADVANCE};
-static const byte PROGMEM pidTier3[] = {PID_COOLANT_TEMP, PID_INTAKE_TEMP, PID_AMBIENT_TEMP, PID_ENGINE_FUEL_RATE};
-
-#define TIER_NUM1 sizeof(pidTier1)
-#define TIER_NUM2 sizeof(pidTier2)
-#define TIER_NUM3 sizeof(pidTier3)
-
byte state = 0;
void processAccelerometer();
@@ -219,7 +208,7 @@ void fadeOutScreen()
// fade out backlight
for (int n = 254; n >= 0; n--) {
lcd.setBackLight(n);
- delay(5);
+ delay(3);
}
}
@@ -227,7 +216,7 @@ void fadeInScreen()
{
for (int n = 1; n <= 255; n++) {
lcd.setBackLight(n);
- delay(10);
+ delay(6);
}
}
@@ -538,27 +527,11 @@ void processAccelerometer()
#endif
}
-void logOBDData(byte pid)
+void logOBDData(byte pid, int value)
{
char buffer[64];
- uint32_t start = millis();
- int value;
-
// send query for OBD-II PID
- obd.sendQuery(pid);
- // let PID parsed from response
- pid = 0;
- // read responded PID and data
- if (!obd.getResult(pid, value)) {
- return;
- }
logger.dataTime = millis();
- if (obdCount == 255) {
- obdTime = 0;
- obdCount = 0;
- }
- obdTime += logger.dataTime - start;
- obdCount++;
// display data
showPIDData(pid, value);
@@ -595,13 +568,6 @@ void logOBDData(byte pid)
lcd.print("KB");
}
#endif
-
- // if OBD response is very fast, go on processing other data for a while
-#ifdef OBD_MIN_INTERVAL
- while (millis() - start < OBD_MIN_INTERVAL) {
- obd.dataIdleLoop();
- }
-#endif
}
void showECUCap()
@@ -622,9 +588,9 @@ void showECUCap()
}
int values[sizeof(pidlist)];
bool scanned = false;
- for (;;) {
- bool touched = false;
- for (byte i = 0, n = 4; i < sizeof(pidlist) / sizeof(pidlist[0]) && !touched; i++) {
+ bool touched = false;
+ for (uint32_t t = millis(); millis() - t < 10000 & !touched; ) {
+ for (byte i = 0, n = 4; i < sizeof(pidlist) / sizeof(pidlist[0]); i++) {
byte pid = pgm_read_byte(pidlist + i);
if (obd.isValidPID(pid)) {
int value;
@@ -644,9 +610,11 @@ void showECUCap()
lcd.print("N/A");
}
}
- touched = touch.available();
+ if (!touched) {
+ int x, y;
+ touched = lcd.getTouchData(x, y);
+ }
}
- if (touched) break;
scanned = true;
}
}
@@ -665,10 +633,11 @@ void reconnect()
continue;
int value;
- if (obd.read(PID_RPM, value) && value > 0)
+ if (obd.read(PID_RPM, value))
break;
-
- Narcoleptic.delay(1000);
+
+ obd.sleep();
+ Narcoleptic.delay(4000);
}
// re-initialize
state |= STATE_OBD_READY;
@@ -744,6 +713,12 @@ void testOut()
void setup()
{
+#if USE_GPS
+ GPSUART.begin(GPS_BAUDRATE);
+ lastGPSDataTime = 0;
+#endif
+ logger.initSender();
+
lcd.begin();
lcd.setFontSize(FONT_SIZE_MEDIUM);
lcd.setColor(0xFFE0);
@@ -751,16 +726,6 @@ void setup()
lcd.println();
lcd.setColor(RGB16_WHITE);
-#if USE_GPS
- GPSUART.begin(GPS_BAUDRATE);
- // switching to 10Hz mode, effective only for MTK3329
- //GPSUART.println(PMTK_SET_NMEA_OUTPUT_ALLDATA);
- //GPSUART.println(PMTK_SET_NMEA_UPDATE_10HZ);
- lastGPSDataTime = 0;
-#endif
-
- logger.initSender();
-
#if ENABLE_DATA_LOG
if (checkSD()) {
uint16_t index = logger.openFile();
@@ -799,7 +764,6 @@ void setup()
// initialize the OBD until success
while (!obd.init(OBD_PROTOCOL));
-
state |= STATE_OBD_READY;
char buf[64];
@@ -830,38 +794,36 @@ void setup()
lastRefreshTime = millis();
}
+
void loop()
{
- static byte index = 0;
static byte index2 = 0;
- static byte index3 = 0;
- byte pid = pgm_read_byte(pidTier1 + index++);
- logOBDData(pid);
- if (index == TIER_NUM1) {
- index = 0;
- if (index2 == TIER_NUM2) {
- index2 = 0;
- pid = pgm_read_byte(pidTier3 + index3);
- if (obd.isValidPID(pid)) {
- logOBDData(pid);
- }
- index3 = (index3 + 1) % TIER_NUM3;
- if (index3 == 0) {
- float v = obd.getVoltage();
- ShowVoltage(v);
- logger.logData(PID_BATTERY_VOLTAGE, (int)(v * 100));
- }
- } else {
- pid = pgm_read_byte(pidTier2 + index2);
- if (obd.isValidPID(pid)) {
- logOBDData(pid);
- }
- index2++;
- }
+ const byte pids[]= {PID_RPM, PID_SPEED, PID_THROTTLE, PID_ENGINE_LOAD};
+ const byte pids2[] = {PID_COOLANT_TEMP, PID_INTAKE_TEMP, PID_ENGINE_FUEL_RATE};
+ int values[sizeof(pids)] = {0};
+ uint32_t pidTime = millis();
+ // read multiple OBD-II PIDs
+ byte results = obd.read(pids, sizeof(pids), values);
+ pidTime = millis() - pidTime;
+ if (results == sizeof(pids)) {
+ for (byte n = 0; n < sizeof(pids); n++) {
+ logOBDData(pids[n], values[n]);
+ }
+ }
+ byte pid = pids2[index2 = (index2 + 1) % sizeof(pids2)];
+ // check validation and read a single OBD-II PID
+ if (obd.isValidPID(pid)) {
+ int value;
+ if (obd.read(pid, value)) {
+ logOBDData(pid, value);
+ }
}
if (logger.dataTime - lastRefreshTime >= 1000) {
- char buf[12];
+ float v = obd.getVoltage();
+ ShowVoltage(v);
+
+ char buf[12];
// display elapsed time
unsigned int sec = (logger.dataTime - startTime) / 1000;
sprintf(buf, "%02u:%02u", sec / 60, sec % 60);
@@ -869,10 +831,10 @@ void loop()
lcd.setCursor(250, 2);
lcd.print(buf);
// display OBD time
- if (obdTime) {
+ if (results) {
lcd.setFontSize(FONT_SIZE_SMALL);
lcd.setCursor(242, 26);
- lcd.print((uint16_t)(obdTime / obdCount));
+ lcd.print((uint16_t)(pidTime / results));
lcd.print("ms ");
}
lastRefreshTime = logger.dataTime;
diff --git a/megalogger/touch.h b/megalogger/touch.h
deleted file mode 100644
index d0e6d01..0000000
--- a/megalogger/touch.h
+++ /dev/null
@@ -1,106 +0,0 @@
-#define T_CLK 6
-#define T_CS 5
-#define T_DIN 4
-#define T_DOUT 3
-#define T_IRQ 2
-
-#define X_CONST 240
-#define Y_CONST 320
-
-#define PREC_TOUCH_CONST 10
-
-#define PixSizeX 13.78
-#define PixOffsX 411
-
-#define PixSizeY 11.01
-#define PixOffsY 378
-
-class CTouch {
-public:
- void init(void)
- {
- pinMode(T_CLK, OUTPUT);
- pinMode(T_CS, OUTPUT);
- pinMode(T_DIN, OUTPUT);
- pinMode(T_DOUT, INPUT);
- pinMode(T_IRQ, INPUT);
-
- digitalWrite(T_CS, HIGH);
- digitalWrite(T_CLK, HIGH);
- digitalWrite(T_DIN, HIGH);
- digitalWrite(T_CLK, HIGH);
- }
-
- void writeData(unsigned char data)
- {
- unsigned char temp;
- unsigned char nop;
- unsigned char count;
-
- temp=data;
- digitalWrite(T_CLK,LOW);
-
- for(count=0; count<8; count++)
- {
- if(temp & 0x80)
- digitalWrite(T_DIN, HIGH);
- else
- digitalWrite(T_DIN, LOW);
- temp = temp << 1;
- digitalWrite(T_CLK, LOW);
- nop++;
- digitalWrite(T_CLK, HIGH);
- nop++;
- }
- }
-
- unsigned int readData()
- {
- unsigned char nop;
- unsigned int data = 0;
- unsigned char count;
- for(count=0; count<12; count++)
- {
- data <<= 1;
- digitalWrite(T_CLK, HIGH);
- nop++;
- digitalWrite(T_CLK, LOW);
- nop++;
- if (digitalRead(T_DOUT))
- data++;
- }
- return(data);
- }
-
- void read(int& x, int& y)
- {
- unsigned long tx=0;
- unsigned long ty=0;
-
- digitalWrite(T_CS,LOW);
-
- for (int i=0; i<PREC_TOUCH_CONST; i++)
- {
- writeData(0x90);
- digitalWrite(T_CLK,HIGH);
- digitalWrite(T_CLK,LOW);
- ty+=readData();
-
- writeData(0xD0);
- digitalWrite(T_CLK,HIGH);
- digitalWrite(T_CLK,LOW);
- tx+=readData();
- }
-
- digitalWrite(T_CS,HIGH);
- x = (tx / PREC_TOUCH_CONST - PixOffsX) / PixSizeX;
- y = (ty / PREC_TOUCH_CONST - PixOffsX) / PixSizeX;
- }
-
- bool available()
- {
- return digitalRead(T_IRQ) == 0;
- }
-};
-
-CTouch touch;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-22 19:08:44 +0000