From ede041152d4a8b63f9e210690255f31ec0a20408 Mon Sep 17 00:00:00 2001
From: Stanley Huang <stanleyhuangyc@gmail.com>
Date: Sun, 16 Mar 2014 00:22:20 +0800
Subject: Update OBD.cpp

---
 libraries/OBD/OBD.cpp | 100 +++++++++++++++++++++++++-------------------------
 1 file changed, 50 insertions(+), 50 deletions(-)

diff --git a/libraries/OBD/OBD.cpp b/libraries/OBD/OBD.cpp
index 8bcdb9c..3dba269 100644
--- a/libraries/OBD/OBD.cpp
+++ b/libraries/OBD/OBD.cpp
@@ -153,20 +153,20 @@ int COBD::normalizeData(byte pid, char* data)
 
 char* COBD::getResponse(byte& pid, char* buffer)
 {
-    while (receive(buffer, OBD_TIMEOUT_SHORT) > 0) {
-        char *p = buffer;
-        while ((p = strstr(p, "41 "))) {
-            p += 3;
-            byte curpid = hex2uint8(p);
-            if (pid == 0) pid = curpid;
-            if (curpid == pid) {
-                errors = 0;
-                p += 2;
-                if (*p == ' ')
-                    return p + 1;
-            }
-        }
-    }
+	while (receive(buffer, OBD_TIMEOUT_SHORT) > 0) {
+		char *p = buffer;
+		while ((p = strstr(p, "41 "))) {
+		    p += 3;
+		    byte curpid = hex2uint8(p);
+		    if (pid == 0) pid = curpid;
+		    if (curpid == pid) {
+		        errors = 0;
+		        p += 2;
+		        if (*p == ' ')
+		            return p + 1;
+		    }
+		}
+	}
 	return 0;
 }
 
@@ -185,13 +185,13 @@ bool COBD::getResult(byte& pid, int& result)
 
 void COBD::setProtocol(byte h)
 {
-    if (h == -1) {
-        write("ATSP00\r");
-    } else {
-        char cmd[8];
-        sprintf(cmd, "ATSP%d\r", h);
-        write(cmd);
-    }
+	if (h == -1) {
+		write("ATSP00\r");
+	} else {
+		char cmd[8];
+		sprintf(cmd, "ATSP%d\r", h);
+		write(cmd);
+	}
 }
 
 void COBD::sleep()
@@ -201,7 +201,7 @@ void COBD::sleep()
 
 void COBD::wakeup()
 {
-    write('\r');
+	write('\r');
 }
 
 bool COBD::isValidPID(byte pid)
@@ -262,7 +262,7 @@ void COBD::recover()
 
 bool COBD::init(byte protocol)
 {
-    const char *initcmd[] = {"ATZ\r","ATE0\r","ATL1\r"};
+	const char *initcmd[] = {"ATZ\r","ATE0\r","ATL1\r"};
 	char buffer[OBD_RECV_BUF_SIZE];
 
 	m_state = OBD_CONNECTING;
@@ -279,30 +279,30 @@ bool COBD::init(byte protocol)
 		delay(50);
 	}
 	if (protocol) {
-        write("ATSP");
-        write('0' + protocol);
-        write('\r');
-        receive(buffer);
-        delay(50);
+	        write("ATSP");
+	        write('0' + protocol);
+	        write('\r');
+	        receive(buffer);
+	        delay(50);
 	}
 	while (available()) read();
 
-    // load pid map
-    memset(pidmap, 0, sizeof(pidmap));
-    for (byte i = 0; i < 4; i++) {
-        byte pid = i * 0x20;
-        sendQuery(pid);
-        char* data = getResponse(pid, buffer);
-        if (!data) break;
-        data--;
-        for (byte n = 0; n < 4; n++) {
-            if (data[n * 3] != ' ')
-                break;
-            pidmap[i * 4 + n] = hex2uint8(data + n * 3 + 1);
-        }
-        delay(100);
-    }
-    while (available()) read();
+	// load pid map
+	memset(pidmap, 0, sizeof(pidmap));
+	for (byte i = 0; i < 4; i++) {
+		byte pid = i * 0x20;
+		sendQuery(pid);
+		char* data = getResponse(pid, buffer);
+		if (!data) break;
+		data--;
+		for (byte n = 0; n < 4; n++) {
+			if (data[n * 3] != ' ')
+				break;
+			pidmap[i * 4 + n] = hex2uint8(data + n * 3 + 1);
+		}
+		delay(100);
+	}
+	while (available()) read();
 
 	m_state = OBD_CONNECTED;
 	errors = 0;
@@ -451,12 +451,12 @@ void COBDI2C::loadData()
 
 uint16_t COBDI2C::getData(byte pid, int& result)
 {
-    byte n;
-    for (n = 0; n < MAX_PIDS && obdPid[n] != pid; n++);
-    if (n == MAX_PIDS)
-        return -1;
-
-    PID_INFO* pi = obdInfo + n;
+	byte n;
+	for (n = 0; n < MAX_PIDS && obdPid[n] != pid; n++);
+	if (n == MAX_PIDS)
+		return -1;
+	
+	PID_INFO* pi = obdInfo + n;
 	switch (pid) {
 	case PID_RPM:
 		result = pi->value >> 2;
-- 
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