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authorStanley Huang <stanleyhuangyc@gmail.com>2017-05-08 22:57:39 +1000
committerStanley Huang <stanleyhuangyc@gmail.com>2017-05-08 22:57:39 +1000
commitfe06ee6e27833e26ea19bd740f504a9dcdf78d71 (patch)
tree2acaab902ef091d1c494bc4a8a388c46aaef23e0 /datalogger
parent299de0a90617cb3a0a852aad1df538d1e23272b1 (diff)
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Reference data logger sketch for Freematics OBD-II UART Adapter
Diffstat (limited to 'datalogger')
-rw-r--r--datalogger/datalogger.ino22
1 files changed, 16 insertions, 6 deletions
diff --git a/datalogger/datalogger.ino b/datalogger/datalogger.ino
index f348943..c04b2c9 100644
--- a/datalogger/datalogger.ino
+++ b/datalogger/datalogger.ino
@@ -359,8 +359,9 @@ void loop()
{
#if ENABLE_DATA_LOG
if (!(one.state & STATE_FILE_READY) && (one.state & STATE_SD_READY)) {
+ // create log file
if (one.state & STATE_GPS_FOUND) {
- // GPS connected
+ // GPS connected, GPS time as file name
Serial.print("File ");
if (one.state & STATE_GPS_READY) {
uint32_t dateTime = (uint32_t)MMDD * 10000 + UTC / 10000;
@@ -373,7 +374,7 @@ void loop()
}
}
} else {
- // no GPS connected
+ // no GPS connected, index number as file name
int index = one.openFile(0);
if (index != 0) {
one.state |= STATE_FILE_READY;
@@ -384,6 +385,8 @@ void loop()
}
}
#endif
+
+ // log some OBD-II PIDs
if (one.state & STATE_OBD_READY) {
byte pids[] = {0, PID_RPM, PID_SPEED, PID_THROTTLE, PID_ENGINE_LOAD};
byte pids2[] = {PID_COOLANT_TEMP, PID_INTAKE_TEMP, PID_DISTANCE};
@@ -413,12 +416,19 @@ void loop()
one.dataTime = millis();
one.logData(PID_BATTERY_VOLTAGE, v);
+ // log MEMS data
#if USE_MPU6050
- if ((one.state & STATE_MEMS_READY) && accCount) {
- // log the loaded MEMS data
- one.logData(PID_ACC, accSum[0] / accCount / ACC_DATA_RATIO, accSum[1] / accCount / ACC_DATA_RATIO, accSum[2] / accCount / ACC_DATA_RATIO);
- }
+ if (one.state & STATE_MEMS_READY) {
+ one.readMEMS();
+ if (accCount > 0) {
+ // log the loaded MEMS data
+ one.logData(PID_ACC, accSum[0] / accCount / ACC_DATA_RATIO, accSum[1] / accCount / ACC_DATA_RATIO, accSum[2] / accCount / ACC_DATA_RATIO);
+ accCount = 0;
+ }
+ }
#endif
+
+ // log GPS data
#if USE_GPS
if (one.state & STATE_GPS_FOUND) {
one.logGPSData();