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Diffstat (limited to 'samples/dashboard_1602/dashboard_1602.ino')
| -rw-r--r-- | samples/dashboard_1602/dashboard_1602.ino | 173 |
1 files changed, 0 insertions, 173 deletions
diff --git a/samples/dashboard_1602/dashboard_1602.ino b/samples/dashboard_1602/dashboard_1602.ino deleted file mode 100644 index a357f4e..0000000 --- a/samples/dashboard_1602/dashboard_1602.ino +++ /dev/null @@ -1,173 +0,0 @@ -/************************************************************************* -* Sample sketch based on OBD-II library for Arduino -* Using a LCD1602 shield to display realtime vehicle data -* Distributed under GPL v2.0 -* Copyright (c) 2012 Stanley Huang <stanleyhuangyc@gmail.com> -* All rights reserved. -*************************************************************************/ - -#include <arduino.h> -#include <Wire.h> -#include <OBD.h> -#include "LCD4Bit_mod.h" - -//create object to control an LCD. -LCD4Bit_mod lcd = LCD4Bit_mod(2); - -COBD obd; - -//Key message -unsigned int adc_key_val[5] ={30, 150, 360, 535, 760 }; -int NUM_KEYS = 5; -int adc_key_in; -char key=-1; -char oldkey=-1; -unsigned long lastTick = millis(); -uint8_t modes[2] = {0, 2}; - -const char modePids[] = {PID_RPM, PID_SPEED, PID_THROTTLE, PID_ENGINE_LOAD, - PID_COOLANT_TEMP, PID_INTAKE_TEMP, PID_AMBIENT_TEMP, PID_MAF_FLOW, - PID_CONTROL_MODULE_VOLTAGE, PID_FUEL_PRESSURE, PID_INTAKE_MAP, PID_BAROMETRIC, - PID_TIMING_ADVANCE, PID_FUEL_LEVEL, PID_RUNTIME, PID_DISTANCE}; - -const char* modeLabels[] = { - "Engine rpm", "Speed km/h", "Throttle %", "Engine Load %", - "Coolant C", "Intake Air C", "Env. Temp C", "MAF Flow kpa", - "Ctrl Voltage V", "Fuel kpa", "Intake kpa", "Barometer kpa", - "Timing Adv. ", "Fuel Level %", "Run Time", "Distance km"}; - -const char modePos[] = {8, 8, 11, 12, - 11, 11, 11, 9, - 11, 9, 9, 10, - 12, 11, 8, 10}; - -const char* modeFmts[] = {"%4u", "%3u", "%3u", "%u", - "%3d", "%3d", "%3d", "%3u", - "%3u", "%3u", "%3u", "%u", - "%3d", "%3u", "%4u:%02u", "%04u"}; - -#define TOTAL_PIDS (sizeof(modePids) / sizeof(modePids[0])) - -// Convert ADC value to key number -char get_key(unsigned int input) -{ - char k; - for (k = 0; k < NUM_KEYS; k++) { - if (input < adc_key_val[k]) - return k; - } - return -1; -} - -void updateMode() -{ - lcd.cursorTo(1, 0); - lcd.printIn((char*)modeLabels[modes[0]]); - lcd.cursorTo(2, 0); - lcd.printIn((char*)modeLabels[modes[1]]); -} - -bool showData(int index) -{ - char buf[16]; - int value; - uint8_t mode = modes[index]; - uint8_t pid = modePids[mode]; - digitalWrite(13, HIGH); // set the LED on - if (!obd.read(pid, value)) { - // display received data on error - lcd.cursorTo(index + 1, 0); - lcd.printIn("Error"); - delay(2000); - updateMode(); - return false; - } - digitalWrite(13, LOW); // set the LED off - - if (pid == PID_RUNTIME) { - sprintf(buf, modeFmts[mode], (unsigned int)value / 60, (unsigned int)value % 60); - } else { - sprintf(buf, modeFmts[mode], value); - } - lcd.cursorTo(index + 1, modePos[mode]); - lcd.printIn(buf); - return true; -} - -bool setupConnection() -{ - uint8_t errors = 0; - char buf[16]; - lcd.clear(); - lcd.printIn("Connecting..."); - while (!obd.init()) { - lcd.cursorTo(2, 0); - sprintf(buf, "Attempts #%d", ++errors); - lcd.printIn(buf); - } - lcd.clear(); - lcd.printIn("Connected!"); - delay(1000); - updateMode(); - return true; -} - -void setup() -{ - pinMode(13, OUTPUT); //we'll use the debug LED to output a heartbeat - lcd.init(); - obd.begin(); - setupConnection(); -} - -void loop() -{ - adc_key_in = analogRead(0); // read the value from the sensor - key = get_key(adc_key_in); // convert into key press - - if (key != oldkey) { - delay(50); // wait for debounce time - adc_key_in = analogRead(0); // read the value from the sensor - key = get_key(adc_key_in); // convert into key press - if (key != oldkey) - { - oldkey = key; - if (key >=0){ - switch (key) { - case 3: // left key - do { - modes[0] = modes[0] > 0 ? modes[0] - 1 : TOTAL_PIDS - 1; - } while (modes[0] == modes[1]); - break; - case 0: // right key - do { - modes[0] = modes[0] < TOTAL_PIDS - 1 ? modes[0] + 1 : 0; - } while (modes[0] == modes[1]); - break; - case 1: // up key - do { - modes[1] = modes[1] > 0 ? modes[1] - 1 : TOTAL_PIDS - 1; - } while (modes[0] == modes[1]); - break; - case 2: // down key - do { - modes[1] = modes[1] < TOTAL_PIDS - 1 ? modes[1] + 1 : 0; - } while (modes[0] == modes[1]); - break; - } - updateMode(); - } - } - } - - unsigned long curTick = millis(); - if (curTick - lastTick > 500) { - showData(0); - showData(1); - if (obd.errors > 10) { - setupConnection(); - } - lastTick = curTick; - } -} - |