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-rw-r--r--libraries/OBD/OBD.h298
1 files changed, 159 insertions, 139 deletions
diff --git a/libraries/OBD/OBD.h b/libraries/OBD/OBD.h
index 82e1c1a..3ecd6cc 100644
--- a/libraries/OBD/OBD.h
+++ b/libraries/OBD/OBD.h
@@ -1,139 +1,159 @@
-/*************************************************************************
-* Arduino Library for OBD-II UART Adapter
-* Distributed under GPL v2.0
-* Copyright (c) 2012~2013 Stanley Huang <stanleyhuangyc@gmail.com>
-* All rights reserved.
-*************************************************************************/
-
-#define OBD_TIMEOUT_SHORT 2000 /* ms */
-#define OBD_TIMEOUT_LONG 7000 /* ms */
-#define OBD_SERIAL_BAUDRATE 38400
-#define OBD_RECV_BUF_SIZE 80
-
-#ifndef OBDUART
-#if defined(__AVR_ATmega32U4__) || defined(__AVR_ATmega2560__) || defined(__AVR_ATmega1280__) || defined(__AVR_ATmega644P__)
-#define OBDUART Serial1
-#else
-#define OBDUART Serial
-#endif
-#endif
-
-// mode 0 pids
-#define PID_ENGINE_LOAD 0x04
-#define PID_COOLANT_TEMP 0x05
-#define PID_FUEL_PRESSURE 0x0A
-#define PID_INTAKE_MAP 0x0B
-#define PID_RPM 0x0C
-#define PID_SPEED 0x0D
-#define PID_TIMING_ADVANCE 0x0E
-#define PID_INTAKE_TEMP 0x0F
-#define PID_MAF_FLOW 0x10
-#define PID_THROTTLE 0x11
-#define PID_RUNTIME 0x1F
-#define PID_FUEL_LEVEL 0x2F
-#define PID_DISTANCE 0x31
-#define PID_BAROMETRIC 0x33
-#define PID_CONTROL_MODULE_VOLTAGE 0x42
-#define PID_ABSOLUTE_ENGINE_LOAD 0x43
-#define PID_AMBIENT_TEMP 0x46
-#define PID_ETHANOL_PERCENTAGE 0x52
-#define PID_FUEL_RAIL_PRESSURE 0x59
-#define PID_HYBRID_BATTERY_PERCENTAGE 0x5B
-#define PID_ENGINE_OIL_TEMP 0x5C
-#define PID_ENGINE_FUEL_RATE 0x5E
-#define PID_ENGINE_TORQUE_PERCENTAGE 0x62
-#define PID_ENGINE_REF_TORQUE 0x63
-
-// 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),m_state(OBD_DISCONNECTED) {}
- virtual void begin();
- virtual bool init(bool passive = false);
- virtual bool read(byte pid, int& result, bool passive = false);
- virtual void sleep(int seconds);
- // Query and GetResponse for advanced usage only
- virtual void sendQuery(byte pid);
- bool isValidPID(byte pid);
- byte getState() { return m_state; }
- byte dataMode;
- byte errors;
- byte pidmap[4 * 4];
- byte vin[17];
-protected:
- virtual char* getResponse(byte& pid, char* buffer);
- virtual bool getResponseParsed(byte& pid, int& result);
- virtual byte receive(char* buffer);
- virtual bool available();
- virtual char read();
- virtual void write(char* s);
- virtual void write(char c);
- virtual void dataIdleLoop() {}
- void debugOutput(const char* s);
- int normalizeData(byte pid, char* data);
- byte m_state;
-private:
- virtual uint8_t getPercentageValue(char* data)
- {
- return (uint16_t)hex2uint8(data) * 100 / 255;
- }
- virtual uint16_t getLargeValue(char* data)
- {
- return hex2uint16(data);
- }
- virtual uint8_t getSmallValue(char* data)
- {
- return hex2uint8(data);
- }
- virtual int16_t getTemperatureValue(char* data)
- {
- return (int)hex2uint8(data) - 40;
- }
-};
-
-#define I2C_ADDR 0x62
-
-#define MAX_PAYLOAD_SIZE 32
-
-#define CMD_QUERY_STATUS 0x10
-#define CMD_SEND_COMMAND 0x11
-#define CMD_QUERY_DATA 0x12
-#define CMD_UART_BEGIN 0x13
-#define CMD_UART_SEND 0x14
-#define CMD_UART_RECV 0x15
-
-typedef struct {
- uint32_t time;
- uint16_t pid;
- float value;
-} PID_INFO;
-
-typedef struct {
- uint16_t time;
- uint8_t message;
- uint8_t data;
-} COMMAND_BLOCK;
-
-class COBDI2C : public COBD {
-public:
- void begin(byte addr = I2C_ADDR);
- bool init();
- bool read(byte pid, int& result, bool passive = false);
- void write(char* s);
- // Bluetooth communication API
- bool btInit(uint16_t baudrate = 9600);
- bool btSend(byte* data, byte length);
- bool btReceive(byte* buffer, byte bufsize);
-private:
- bool sendCommand(byte cmd, uint8_t data = 0, byte* payload = 0, byte payloadBytes = 0);
- byte receive(char* buffer);
- byte m_addr;
-};
+/*************************************************************************
+* Arduino Library for OBD-II UART/I2C Adapter
+* Distributed under GPL v2.0
+* Visit http://arduinodev.com for more information
+* (C)2012-2014 Stanley Huang <stanleyhuangyc@gmail.com>
+*************************************************************************/
+
+#define OBD_TIMEOUT_SHORT 2000 /* ms */
+#define OBD_TIMEOUT_LONG 7000 /* ms */
+#define OBD_SERIAL_BAUDRATE 38400
+#define OBD_RECV_BUF_SIZE 80
+
+#ifndef OBDUART
+#if defined(__AVR_ATmega32U4__) || defined(__AVR_ATmega2560__) || defined(__AVR_ATmega1280__) || defined(__AVR_ATmega644P__)
+#define OBDUART Serial1
+#else
+#define OBDUART Serial
+#endif
+#endif
+
+// Mode 1 PIDs
+#define PID_ENGINE_LOAD 0x04
+#define PID_COOLANT_TEMP 0x05
+#define PID_FUEL_PRESSURE 0x0A
+#define PID_INTAKE_MAP 0x0B
+#define PID_RPM 0x0C
+#define PID_SPEED 0x0D
+#define PID_TIMING_ADVANCE 0x0E
+#define PID_INTAKE_TEMP 0x0F
+#define PID_MAF_FLOW 0x10
+#define PID_THROTTLE 0x11
+#define PID_RUNTIME 0x1F
+#define PID_FUEL_LEVEL 0x2F
+#define PID_DISTANCE 0x31
+#define PID_BAROMETRIC 0x33
+#define PID_CONTROL_MODULE_VOLTAGE 0x42
+#define PID_ABSOLUTE_ENGINE_LOAD 0x43
+#define PID_AMBIENT_TEMP 0x46
+#define PID_ETHANOL_PERCENTAGE 0x52
+#define PID_FUEL_RAIL_PRESSURE 0x59
+#define PID_HYBRID_BATTERY_PERCENTAGE 0x5B
+#define PID_ENGINE_OIL_TEMP 0x5C
+#define PID_ENGINE_FUEL_RATE 0x5E
+#define PID_ENGINE_TORQUE_PERCENTAGE 0x62
+#define PID_ENGINE_REF_TORQUE 0x63
+
+// 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),m_state(OBD_DISCONNECTED) {}
+ virtual void begin();
+ virtual bool init(bool passive = false);
+ virtual bool read(byte pid, int& result, bool passive = false);
+ virtual void sleep(int seconds);
+ // Query and GetResponse for advanced usage only
+ virtual void sendQuery(byte pid);
+ bool isValidPID(byte pid);
+ byte getState() { return m_state; }
+ byte dataMode;
+ byte errors;
+ byte pidmap[4 * 4];
+ byte vin[17];
+protected:
+ virtual char* getResponse(byte& pid, char* buffer);
+ virtual bool getResponseParsed(byte& pid, int& result);
+ virtual byte receive(char* buffer);
+ virtual bool available();
+ virtual char read();
+ virtual void write(char* s);
+ virtual void write(char c);
+ virtual void dataIdleLoop() {}
+ void debugOutput(const char* s);
+ int normalizeData(byte pid, char* data);
+ byte m_state;
+private:
+ virtual uint8_t getPercentageValue(char* data)
+ {
+ return (uint16_t)hex2uint8(data) * 100 / 255;
+ }
+ virtual uint16_t getLargeValue(char* data)
+ {
+ return hex2uint16(data);
+ }
+ virtual uint8_t getSmallValue(char* data)
+ {
+ return hex2uint8(data);
+ }
+ virtual int16_t getTemperatureValue(char* data)
+ {
+ return (int)hex2uint8(data) - 40;
+ }
+};
+
+#define I2C_ADDR 0x62
+
+#define MAX_PAYLOAD_SIZE 32
+
+#define CMD_QUERY_STATUS 0x10
+#define CMD_SEND_COMMAND 0x11
+#define CMD_QUERY_DATA 0x12
+#define CMD_UART_BEGIN 0x13
+#define CMD_UART_SEND 0x14
+#define CMD_UART_RECV 0x15
+#define CMD_GPS_START 0x20
+#define CMD_GPS_STOP 0x21
+#define CMD_GPS_QUERY 0x22
+
+typedef struct {
+ uint32_t time;
+ uint16_t pid;
+ float value;
+} PID_INFO;
+
+typedef struct {
+ uint16_t time;
+ uint8_t message;
+ uint8_t data;
+} COMMAND_BLOCK;
+
+typedef struct {
+ uint32_t time;
+ uint32_t date;
+ float lat;
+ float lon;
+ float speed;
+ float alt;
+ uint8_t sat;
+ uint8_t state;
+ uint16_t age;
+ uint8_t reserved[4];
+} GPS_DATA;
+
+class COBDI2C : public COBD {
+public:
+ void begin(byte addr = I2C_ADDR);
+ bool init();
+ bool read(byte pid, int& result, bool passive = false);
+ void write(char* s);
+ // Bluetooth communication API
+ bool btInit(uint16_t baudrate = 9600);
+ bool btSend(byte* data, byte length);
+ bool btReceive(byte* buffer, byte bufsize);
+ // GPS API
+ bool gpsQuery(GPS_DATA* gpsdata);
+ void gpsStart(uint32_t baudrate = 38400, const char* cmds = 0);
+ void gpsStop();
+private:
+ bool sendCommand(byte cmd, uint8_t data = 0, byte* payload = 0, byte payloadBytes = 0);
+ byte receive(char* buffer);
+ byte m_addr;
+};
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