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-rw-r--r--libraries/OBD/examples/obd_uart_test/obd_uart_test.ino42
1 files changed, 25 insertions, 17 deletions
diff --git a/libraries/OBD/examples/obd_uart_test/obd_uart_test.ino b/libraries/OBD/examples/obd_uart_test/obd_uart_test.ino
index 3f04cdf..484262e 100644
--- a/libraries/OBD/examples/obd_uart_test/obd_uart_test.ino
+++ b/libraries/OBD/examples/obd_uart_test/obd_uart_test.ino
@@ -12,7 +12,7 @@
#include <OBD.h>
// On Arduino Leonardo, Micro, MEGA or DUE, hardware serial can be used for output
-// as OBD-II adapter should connect to Serial1, otherwise we use software serial
+// as OBD-II UART adapter connects to Serial1, otherwise we use software serial
SoftwareSerial mySerial(A2, A3);
//#define mySerial Serial
@@ -48,26 +48,33 @@ void testOut()
mySerial.println();
}
-void readPID()
+void readPIDSingle()
{
- static const byte pidlist[] = {PID_ENGINE_LOAD, PID_COOLANT_TEMP, PID_RPM, PID_SPEED, PID_TIMING_ADVANCE, PID_INTAKE_TEMP, PID_THROTTLE, PID_FUEL_LEVEL};
+ int value;
mySerial.print('[');
mySerial.print(millis());
mySerial.print(']');
- for (byte i = 0; i < sizeof(pidlist) / sizeof(pidlist[0]); i++) {
- byte pid = pidlist[i];
- bool valid = obd.isValidPID(pid);
- mySerial.print((int)pid | 0x100, HEX);
+ mySerial.print("RPM=");
+ if (obd.read(PID_RPM, value)) {
+ mySerial.print(value);
+ }
+ mySerial.println();
+}
+
+void readPIDMultiple()
+{
+ static const byte pids[] = {PID_SPEED, PID_ENGINE_LOAD, PID_THROTTLE, PID_COOLANT_TEMP, PID_INTAKE_TEMP};
+ int values[sizeof(pids)];
+ if (obd.read(pids, sizeof(pids), values) == sizeof(pids)) {
+ for (byte i = 0; i < sizeof(pids) ; i++) {
+ mySerial.print('[');
+ mySerial.print(millis());
+ mySerial.print(']');
+ mySerial.print((int)pids[i] | 0x100, HEX);
mySerial.print('=');
- if (valid) {
- int value;
- if (obd.read(pid, value)) {
- mySerial.print(value);
- }
- }
- mySerial.print(' ');
- }
- mySerial.println();
+ mySerial.println(values[i]);
+ }
+ }
}
void setup()
@@ -95,5 +102,6 @@ void setup()
void loop()
{
- readPID();
+ readPIDSingle();
+ readPIDMultiple();
}