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|
#define FORMAT_BIN 0
#define FORMAT_CSV 1
typedef struct {
uint32_t time;
uint16_t pid;
uint8_t flags;
uint8_t checksum;
float value;
} LOG_DATA;
typedef struct {
uint32_t time;
uint16_t pid;
uint8_t flags;
uint8_t checksum;
float value[3];
} LOG_DATA_COMM;
typedef struct {
uint32_t time; /* e.g. 1307281259 */
uint16_t pid;
uint8_t message;
uint8_t checksum;
uint16_t fileIndex;
uint16_t fileSize; /* KB */
uint16_t logFlags;
uint8_t logType;
uint8_t data[5];
} LOG_DATA_FILE_INFO;
typedef struct {
uint32_t time;
uint16_t pid;
uint8_t message;
uint8_t checksum;
uint8_t data[12];
} LOG_DATA_COMMAND;
typedef struct {
uint32_t id;
uint32_t dataOffset;
uint8_t ver;
uint8_t logType;
uint16_t flags;
uint32_t dateTime; //4, YYMMDDHHMM, e.g. 1305291359
/*
uint8_t devid[8];
uint8_t vin[24];
uint8_t unused[84];
*/
} HEADER;
#define HEADER_LEN 128 /* bytes */
#define PID_GPS_COORDINATES 0xF00A
#define PID_GPS_ALTITUDE 0xF00C
#define PID_GPS_SPEED 0xF00D
#define PID_GPS_HEADING 0xF00E
#define PID_GPS_SAT_COUNT 0xF00F
#define PID_GPS_TIME 0xF010
#define PID_ACC 0xF020
#define PID_GYRO 0xF021
#if LOG_FORMAT == FORMAT_BIN
#define FILE_NAME_FORMAT "/DAT%05d.LOG"
#else
#define FILE_NAME_FORMAT "/DAT%05d.CSV"
#endif
#if ENABLE_DATA_OUT
#if USE_SOFTSERIAL
#if defined(__AVR_ATmega2560__) || defined(__AVR_ATmega1280__)
SoftwareSerial SerialBLE(A8, A9); /* for BLE Shield on MEGA*/
#elif defined(__AVR_ATmega644P__)
SoftwareSerial SerialBLE(9, 10); /* for Microduino */
#else
SoftwareSerial SerialBLE(A2, A3); /* for BLE Shield on UNO/leonardo*/
#endif
#else
#define SerialBLE Serial
#endif
#endif
class CDataLogger {
public:
void initSender()
{
#if ENABLE_DATA_OUT
SerialBLE.begin(STREAM_BAUDRATE);
#endif
#if ENABLE_DATA_LOG && LOG_FORMAT == FORMAT_CSV
m_lastDataTime = 0;
#endif
}
void logData(char c)
{
#if ENABLE_DATA_OUT && STREAM_FORMAT == FORMAT_CSV
SerialBLE.write(c);
#endif
#if ENABLE_DATA_LOG
if (sdfile) dataSize += sdfile.write(c);
#endif
}
void logData(uint16_t pid, int value)
{
#if LOG_FORMAT == FORMAT_BIN || STREAM_FORMAT == FORMAT_BIN
LOG_DATA_COMM ld = {dataTime, pid, 1, 0, value};
ld.checksum = getChecksum((char*)&ld, 12);
#endif
#if ENABLE_DATA_OUT
#if STREAM_FORMAT == FORMAT_BIN
SerialBLE.write((uint8_t*)&ld, 12);
#else
SerialBLE.print(pid, HEX);
SerialBLE.write(',');
SerialBLE.print(value);
SerialBLE.write('\n');
#endif
#endif
#if ENABLE_DATA_LOG
if (!sdfile) return;
#if LOG_FORMAT == FORMAT_BIN
sdfile.write((uint8_t*)&ld, 12);
dataSize += 12;
#else
dataSize += sdfile.print(dataTime - m_lastDataTime);
sdfile.write(',');
dataSize += sdfile.print(pid, HEX);
sdfile.write(',');
dataSize += sdfile.print(value);
sdfile.write('\n');
dataSize += 3;
m_lastDataTime = dataTime;
#endif
#endif
}
void logData(uint16_t pid, float value)
{
#if LOG_FORMAT == FORMAT_BIN || STREAM_FORMAT == FORMAT_BIN
LOG_DATA_COMM ld = {dataTime, pid, 1, 0, value};
ld.checksum = getChecksum((char*)&ld, 12);
#endif
#if ENABLE_DATA_OUT
#if STREAM_FORMAT == FORMAT_BIN
SerialBLE.write((uint8_t*)&ld, 12);
#else
SerialBLE.print(pid, HEX);
SerialBLE.write(',');
SerialBLE.print(value);
SerialBLE.write('\n');
#endif
#endif
#if ENABLE_DATA_LOG
if (!sdfile) return;
#if LOG_FORMAT == FORMAT_BIN
sdfile.write((uint8_t*)&ld, 12);
dataSize += 12;
#else
dataSize += sdfile.print(dataTime - m_lastDataTime);
sdfile.write(',');
dataSize += sdfile.print(pid, HEX);
sdfile.write(',');
dataSize += sdfile.print(value);
sdfile.write('\n');
dataSize += 3;
m_lastDataTime = dataTime;
#endif
#endif
}
void logData(uint16_t pid, float value1, float value2)
{
#if LOG_FORMAT == FORMAT_BIN || STREAM_FORMAT == FORMAT_BIN
LOG_DATA_COMM ld = {dataTime, pid, 2, 0, {value1, value2}};
ld.checksum = getChecksum((char*)&ld, 16);
#endif
#if ENABLE_DATA_OUT
#if STREAM_FORMAT == FORMAT_BIN
SerialBLE.write((uint8_t*)&ld, 16);
#else
SerialBLE.print(pid, HEX);
SerialBLE.write(',');
SerialBLE.print(value1, 6);
SerialBLE.write(',');
SerialBLE.print(value2, 6);
SerialBLE.write('\n');
#endif
#endif
#if ENABLE_DATA_LOG
if (!sdfile) return;
#if LOG_FORMAT == FORMAT_BIN
sdfile.write((uint8_t*)&ld, 16);
dataSize += 16;
#else
dataSize += sdfile.print(dataTime - m_lastDataTime);
sdfile.write(',');
dataSize += sdfile.print(pid, HEX);
sdfile.write(',');
dataSize += sdfile.print(value1, 6);
sdfile.write(',');
dataSize += sdfile.print(value2, 6);
sdfile.write('\n');
dataSize += 4;
m_lastDataTime = dataTime;
#endif
#endif
}
void logData(uint16_t pid, uint32_t value1, uint32_t value2)
{
#if LOG_FORMAT == FORMAT_BIN || STREAM_FORMAT == FORMAT_BIN
LOG_DATA_COMM ld = {dataTime, pid, 2, 0, {value1, value2}};
ld.checksum = getChecksum((char*)&ld, 16);
#endif
#if ENABLE_DATA_OUT
#if STREAM_FORMAT == FORMAT_BIN
SerialBLE.write((uint8_t*)&ld, 16);
#else
SerialBLE.print(pid, HEX);
SerialBLE.write(',');
SerialBLE.print(value1);
SerialBLE.write(',');
SerialBLE.print(value2);
SerialBLE.write('\n');
#endif
#endif
#if ENABLE_DATA_LOG
if (!sdfile) return;
#if LOG_FORMAT == FORMAT_BIN
sdfile.write((uint8_t*)&ld, 16);
dataSize += 16;
#else
dataSize += sdfile.print(dataTime - m_lastDataTime);
sdfile.write(',');
dataSize += sdfile.print(pid, HEX);
sdfile.write(',');
dataSize += sdfile.print(value1);
sdfile.write(',');
dataSize += sdfile.print(value2);
sdfile.write('\n');
dataSize += 4;
m_lastDataTime = dataTime;
#endif
#endif
}
void logData(uint16_t pid, int value1, int value2, int value3)
{
#if LOG_FORMAT == FORMAT_BIN || STREAM_FORMAT == FORMAT_BIN
LOG_DATA_COMM ld = {dataTime, pid, 3, 0, {value1, value2, value3}};
ld.checksum = getChecksum((char*)&ld, 20);
#endif
#if ENABLE_DATA_OUT
#if STREAM_FORMAT == FORMAT_BIN
SerialBLE.write((uint8_t*)&ld, 20);
#else
SerialBLE.print(pid, HEX);
SerialBLE.write(',');
SerialBLE.print(value1);
SerialBLE.write(',');
SerialBLE.print(value2);
SerialBLE.write(',');
SerialBLE.print(value3);
SerialBLE.write('\n');
#endif
#endif
#if ENABLE_DATA_LOG
if (!sdfile) return;
#if LOG_FORMAT == FORMAT_BIN
sdfile.write((uint8_t*)&ld, 20);
dataSize += 20;
#else
dataSize += sdfile.print(dataTime - m_lastDataTime);
sdfile.write(',');
dataSize += sdfile.print(pid, HEX);
sdfile.write(',');
dataSize += sdfile.print(value1);
sdfile.write(',');
dataSize += sdfile.print(value2);
sdfile.write(',');
dataSize += sdfile.print(value3);
sdfile.write('\n');
dataSize += 5;
m_lastDataTime = dataTime;
#endif
#endif
}
#if ENABLE_DATA_LOG
uint16_t openFile(uint16_t logFlags = 0, uint32_t dateTime = 0)
{
uint16_t fileIndex;
char filename[24] = "/FRMATICS";
if (SD.exists(filename)) {
for (fileIndex = 1; fileIndex; fileIndex++) {
sprintf(filename + 9, FILE_NAME_FORMAT, fileIndex);
if (!SD.exists(filename)) {
break;
}
}
if (fileIndex == 0)
return 0;
} else {
SD.mkdir(filename);
fileIndex = 1;
sprintf(filename + 9, FILE_NAME_FORMAT, 1);
}
sdfile = SD.open(filename, FILE_WRITE);
if (!sdfile) {
return 0;
}
#if LOG_FORMAT == FORMAT_BIN
HEADER hdr = {'UDUS', HEADER_LEN, 1, 0, logFlags, dateTime};
sdfile.write((uint8_t*)&hdr, sizeof(hdr));
for (byte i = 0; i < HEADER_LEN - sizeof(hdr); i++)
sdfile.write((uint8_t)0);
dataSize = HEADER_LEN;
#else
sdfile.println("# Freematics Log File");
#endif
sdfile.flush();
return fileIndex;
}
void closeFile()
{
sdfile.close();
}
void flushFile()
{
if (sdfile) sdfile.flush();
}
#endif
uint32_t dataTime;
uint32_t dataSize;
private:
byte getChecksum(char* buffer, byte len)
{
uint8_t checksum = 0;
for (byte i = 0; i < len; i++) {
checksum ^= buffer[i];
}
return checksum;
}
#if ENABLE_DATA_LOG
File sdfile;
#if LOG_FORMAT == FORMAT_CSV
uint32_t m_lastDataTime;
#endif
#endif
};
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