From a813c64c60a04a157d9c0a10cdba556daef599ca Mon Sep 17 00:00:00 2001
From: Stanley Huang <stanleyhuangyc@gmail.com>
Date: Sun, 9 Mar 2014 12:26:50 +0800
Subject: Improve display efficiency
---
nanologger/nanologger.ino | 21 ++++++++++++++++-----
1 file changed, 16 insertions(+), 5 deletions(-)
(limited to 'nanologger')
diff --git a/nanologger/nanologger.ino b/nanologger/nanologger.ino
index d40b85b..83d439e 100644
--- a/nanologger/nanologger.ino
+++ b/nanologger/nanologger.ino
@@ -33,6 +33,8 @@ static int speed = 0;
static uint32_t distance = 0;
static uint16_t fileIndex = 0;
static uint32_t startTime = 0;
+static uint8_t lastPid = 0;
+static int lastValue = 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};
@@ -42,6 +44,8 @@ static byte pidTier3[] = {PID_COOLANT_TEMP, PID_INTAKE_TEMP, PID_AMBIENT_TEMP, P
#define TIER_NUM2 sizeof(pidTier2)
#define TIER_NUM3 sizeof(pidTier3)
+byte pidValue[TIER_NUM1];
+
class COBDLogger : public COBD, public CDataLogger
{
public:
@@ -206,6 +210,13 @@ public:
initLoggerScreen();
}
private:
+ void dataIdleLoop()
+ {
+ if (lastPid) {
+ showLoggerData(lastPid, lastValue);
+ lastPid = 0;
+ }
+ }
#if USE_MPU6050
void processAccelerometer()
{
@@ -219,18 +230,18 @@ private:
logData(PID_GYRO, data.value.x_gyro, data.value.y_gyro, data.value.z_gyro);
}
#endif
- void logOBDData(byte pid)
+ int logOBDData(byte pid)
{
- int value;
+ int value = 0;
// send a query to OBD adapter for specified OBD-II pid
if (read(pid, value)) {
dataTime = millis();
- showLoggerData(pid, value);
// log data to SD card
logData(0x100 | pid, value);
+ lastValue = value;
+ lastPid = pid;
}
-
- // if OBD response is very fast, go on processing other data for a while
+ return value;
}
void reconnect()
{
--
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