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authorStanley Huang <stanleyhuangyc@gmail.com>2013-09-12 17:41:38 +0800
committerStanley Huang <stanleyhuangyc@gmail.com>2013-09-12 17:41:38 +0800
commit0f5028c8deac559b4dafc867ef45dd48b65cc151 (patch)
tree6a08be881692b899c96c0bcfde9789e4015b54ff /libraries/OBD
parenta6a0c6cd9459543d8086ee30d7ac737d336bf11a (diff)
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update library header file
Diffstat (limited to 'libraries/OBD')
-rw-r--r--libraries/OBD/OBD.h15
1 files changed, 11 insertions, 4 deletions
diff --git a/libraries/OBD/OBD.h b/libraries/OBD/OBD.h
index b13056d..1bdaeb1 100644
--- a/libraries/OBD/OBD.h
+++ b/libraries/OBD/OBD.h
@@ -7,9 +7,8 @@
#define OBD_TIMEOUT_SHORT 2000 /* ms */
#define OBD_TIMEOUT_LONG 7000 /* ms */
-#define OBD_TIMEOUT_INIT 3000 /* ms */
#define OBD_SERIAL_BAUDRATE 38400
-#define OBD_RECV_BUF_SIZE 64
+#define OBD_RECV_BUF_SIZE 128
#ifndef OBDUART
#if defined(__AVR_ATmega32U4__) || defined(__AVR_ATmega2560__) || defined(__AVR_ATmega1280__) || defined(__AVR_ATmega644P__)
@@ -37,13 +36,18 @@
#define PID_RUNTIME 0x1F
#define PID_DISTANCE 0x31
+// states
+#define OBD_DISCONNECTED 0
+#define OBD_CONNECTING 1
+#define OBD_CONNECTED 2
+
unsigned int hex2uint16(const char *p);
unsigned char hex2uint8(const char *p);
class COBD
{
public:
- COBD():dataMode(1),errors(0) {}
+ COBD():dataMode(1),errors(0),m_state(OBD_DISCONNECTED) {}
void begin();
bool init(bool passive = false);
bool readSensor(byte pid, int& result, bool passive = false);
@@ -53,12 +57,15 @@ public:
void sendQuery(byte pid);
char* getResponse(byte& pid, char* buffer);
bool getResponseParsed(byte& pid, int& result);
+ byte getState() { return m_state; }
byte dataMode;
byte errors;
byte pidmap[4 * 4];
byte vin[17];
//char recvBuf[OBD_RECV_BUF_SIZE];
protected:
+ byte receive(char* buffer);
+ void debugOutput(const char* s);
static int normalizeData(byte pid, char* data);
static int getPercentageValue(char* data)
{
@@ -80,6 +87,6 @@ protected:
virtual char read();
virtual void write(const char* s);
virtual void write(const char c);
- virtual void initIdleLoop() {}
virtual void dataIdleLoop() {}
+ byte m_state;
};