Exemple #1
0
void imu_init()
{
  lock = 0;
  i2c_open(&imuConn, PIN_IMU_SCL, PIN_IMU_SDA, 0);

  // Gyro initialization.
  // 22 -> 11011  Set internal clock and scale.
  // 21 -> 9      Set sample rate.
  // 23 -> 101    Trigger interrupt when new data is ready (extra int pins).
  // 62 -> 1      Set clock source.
  write_to_register(&imuConn, GYRO_ADDR, 0x16, 0x1A);
  write_to_register(&imuConn, GYRO_ADDR, 0x15, 0x09);
  write_to_register(&imuConn, GYRO_ADDR, 0x17, 0x05);
  write_to_register(&imuConn, GYRO_ADDR, 0x3E, 1);
  
  // Accel initialization.
  // 45 -> 1000, 100  Wake it from sleep, keep it awake.
  // 49 -> 01    Set the data range. 00->2, 01->4, 10->8, 11->16 (+- g).
  write_to_register(&imuConn, ACCL_ADDR, 0x2D, 16);
  write_to_register(&imuConn, ACCL_ADDR, 0x2D, 8);
  write_to_register(&imuConn, ACCL_ADDR, 0x31, 0); // Might need to change this later.
  //writeToRegister(&imuConn, ACCL_ADDR, 0x1E, -25/-4); -25 // Tuning values.
  //writeToRegister(&imuConn, ACCL_ADDR, 0x1F, 12/-4);   12
  //writeToRegister(&imuConn, ACCL_ADDR, 0x20, 249/4);  249
}
Exemple #2
0
int main(int argc, char *argv[]) {
	int fd;
	int sock;
	daisy7_imu imu_data;

	sock = gcs_udp_open();
	if (sock==0) return(1);

	printf("Starting...sock %X\n", sock);
	// init i2c
	fd = i2c_open(I2C_G20_DEVICE);
	if (!(fd<0)) {
		// i2c opened. Init daisy7
		daisy7_init(fd);
		while(1) {
			daisy7_readall(fd, &imu_data);
			gcs_heartbeat(sock);
			gcs_raw_imu(sock,imu_data);
//			printf("acc(%5d - %5d - %5d) gyro(%5d - %5d - %5d)     \r",
//					imu_data.acc.raw_x,imu_data.acc.raw_y,imu_data.acc.raw_z,
//					imu_data.gyro.raw_x,imu_data.gyro.raw_y,imu_data.gyro.raw_z);
			usleep(2500);
		}
	}
	gcs_udp_close(sock);
	return(0);
}
Exemple #3
0
/*!
 * \brief Command initialization.
 *
 * \param argc    Command-line argument count.
 * \param argv    Command-line arguments.
 * \param pI2C    Pointer to \h_i2c handle.
 */
static void MainInit(int argc, char *argv[], i2c_t *pI2C)
{
  // Name of this process
  Argv0 = basename(argv[0]);

  // Get the environment
  //EnvGet();

  // Parse input arguments
  argv = OptsGet(Argv0, &PkgInfo, &I2CShPgmInfo, I2CShOptsInfo, true,
                 &argc, argv);

  if( OptDevName == NULL || OptDevName[0] == 0 )
  {
    OptDevName = "/dev/i2c/0";
  }

  if( OptVerbose )
  {
    printf("I2C device: %s\n\n", OptDevName);
  }
  
  if( i2c_open(pI2C, OptDevName) < 0 )
  {
    LOGSYSERROR("%s: Failed to open.", OptDevName);
    exit(EC_ERROR);
  }
}
//---------------------------------------------------------------------------
void QboxDialog::on_openBtn_clicked()
{
    if(isOpen()) {
        close_frontend();
        return;
    }


#if 1
    i2c_close();
    unsigned char tmp8[2];

    i2c_fd = i2c_open("/dev/i2c-5");
    if(i2c_fd < 0) {
        qDebug("Failed to open i2c");
        return;
    }

    // read device id from system register
    if(i2c_read(1, 0x00) > 0)
        qDebug("Device ID Register: 0x%02x, Device id: 0x%02x revision: 0x%02x",
               i2c_rx_buf[0],
               (i2c_rx_buf[0] >> 4),
               (i2c_rx_buf[0] & 0x0f));

    // read system mode register
    if(i2c_read(1, 0x01) > 0) {
        tmp8[0] = (i2c_rx_buf[0] >> 3) & 0x03;
        tmp8[1] = i2c_rx_buf[0] & 0x07;
        qDebug("System mode: 0x%02x, Modulation: %s, Mode: %s",
               i2c_rx_buf[0],
               tmp8[0] == 0x00 ? "BPSK":(tmp8[0] == 0x01 ? "QPSK":"Reservd"),
               tmp8[1] == 0x00 ? "DVB-S":(tmp8[1] == 0x01 ? "DSS":"Reservd"));
    }
i2c *i2c_newbus(int sclpin, int sdapin, int scldrive)
{
  i2c *bus = i2c_open(&list[buscnt++], sclpin, sdapin, scldrive);
  //return bus;
  bus = &list[buscnt-1];
  return bus;
}  
Exemple #6
0
int main(int argc, char *argv[])
{
int mode,i;
char data[8];

	if( i2c_open(BUS,I2C_DEVICE) < 0) 
		return -1;

	if(argc == 2 && argv[1][0] == 'h')
		mode = 1;
	else
		mode = 0;

	data[0] = 0;
	data[1] = 0;

	for(i=2;i<8;i++)
		data[i] = '0';

	//i2c_write(data,10);

	data[0] = 0;
	data[1] = 0;
	i2c_write(data,2);

	dumpEeprom(mode);
	i2c_close();

return 0;
}
Exemple #7
0
int i2c_write(int device, unsigned char *buf, int count)
{
    int cnt = count;
    int timeout = 5;

    device &= 0xFF;

    i2c_open();

    __i2c_send_nack();    /* Master does not send ACK, slave sends it */

W_try_again:
    if (timeout < 0)
        goto W_timeout;

    cnt = count;

    __i2c_send_start();
    if (i2c_put_data( (device << 1) | I2C_WRITE ) < 0)
        goto device_err;

#if 0 //CONFIG_JZ_TPANEL_ATA2508
    if (address == 0xff)
    {
        while (cnt)
        {
            if (i2c_put_data_nack(*buf) < 0)
                break;
            cnt--;
            buf++;
        }
    }
    else
#endif
    {
        while (cnt)
        {
            if (i2c_put_data(*buf) < 0)
                break;
            cnt--;
            buf++;
        }
    }

    __i2c_send_stop();
    i2c_close();
    return count - cnt;

device_err:
    timeout--;
    __i2c_send_stop();
    goto W_try_again;

W_timeout:
    logf("Write I2C device 0x%2x failed.", device);
    __i2c_send_stop();
    i2c_close();
    return -1;
}
Exemple #8
0
int i2c_init_taos() {
  fTAOS = i2c_open("/dev/i2c-1", ADDRESS_TAOS);
  printf("i2c: taos:file %d\n", fTAOS);
  if (fTAOS == -1)
    return -1;

  i2c_taos_config();
  return 0;
}
Exemple #9
0
static unsigned long i2c_get_funcs(int bus)
{
  int fd = i2c_open(bus, 0, 0);
  unsigned long result;

  xioctl(fd, I2C_FUNCS, &result);
  close(fd);
  return result;
}
Exemple #10
0
int i2c_init_encoder() {
  fENCODER = i2c_open("/dev/i2c-1", ADDRESS_ENCODER);
  printf("i2c: encoder:file %d\n", fENCODER);

  if (fENCODER != -1)
    return 0;
  else
    return -1;
}
Exemple #11
0
int ledrgb_close () {
    if(ledrgb_open_count && --ledrgb_open_count == 0) {
        i2c_open();

        i2cMasterWrite(LEDRGB_PHY_ADDR, 1, LEDRGB_REG_CONFIG, 0);
        i2cMasterWrite(LEDRGB_PHY_ADDR, 1, LEDRGB_REG_ENABLE, 0);

        i2c_close();
    }
}
Exemple #12
0
int i2c_init_gpio() {
  fGPIO = i2c_open("/dev/i2c-1", ADDRESS_GPIO);
  printf("i2c: gpio:file %d\n", fGPIO);

  if (fGPIO != -1) {
    set_gpio_config();
    return 0;
  } else {
    return -1;
  }
}
Exemple #13
0
/*!
 * \brief Command initialization.
 *
 * \param argc    Command-line argument count.
 * \param argv    Command-line arguments.
 * \param pI2C    Pointer to \h_i2c handle.
 */
static void MainInit(int argc, char *argv[], i2c_t *pI2C)
{
  // Name of this process
  Argv0 = basename(argv[0]);

  // Get the environment
  //EnvGet();

  // Parse input arguments
  argv = OptsGet(Argv0, &PkgInfo, &I2CWritePgmInfo, I2CWriteOptsInfo, true,
                 &argc, argv);

  // Final option checks
  if( OptI2CAddr < 0x00 )
  {
    fprintf(stderr, "%s: Address option required\n", Argv0);
    exit(EC_BAD_OPT);
  }
  else if( (OptI2CAddr < I2C_ADDR_DEV_LOW) || (OptI2CAddr > I2C_ADDR_DEV_HIGH) )
  {
    fprintf(stderr, "%s: Address out of range: 0x%x\n", Argv0, OptI2CAddr);
    exit(EC_BAD_OPT);
  }

  // Convert command-line arguments
  ArgsGet(argc, argv);

  // Opened device specified
  if( OptDevFd >= 0 )
  {
    pI2C->fd    = OptDevFd;
    pI2C->addr  = (ushort_t)(-1);
  }

  // I2C Bus device specified
  else
  {
    if( OptDevName == NULL || OptDevName[0] == 0 )
    {
      OptDevName = "/dev/i2c/0";
    }

    if( OptVerbose )
    {
      printf("I2C device: %s\n\n", OptDevName);
    }
  
    if( i2c_open(pI2C, OptDevName) < 0 )
    {
     LOGSYSERROR("%s: Failed to open.", OptDevName);
     exit(EC_ERROR);
    }
  }
}
Exemple #14
0
int
cam_init(void)
{
    int i=0;
    unsigned char pair[2];
    int not_finished=1;
    
    i2ch=i2c_open(I2CBUS, CAM_ADDR);
    
    // do a reset

  // reset the sensor
  pair[0]=MT9M001_RESET; pair[1]=0x0001;
  i2c_write(i2ch, CAM_ADDR, pair, 2);
  delay_ms(999);
    
    
    do
    {
        // obtain address and value to program
        pair[0]=params_1280x1024[i];
        pair[1]=params_1280x1024[i+1];
        // reached end?
        if ((pair[0]==0xaa) && (pair[1]==0xbb))
        {
            if ((params_1280x1024[i+2]==0xcc) && (params_1280x1024[i+3]==0xdd))
            {
                // end sequence seen.
                not_finished=0;
                break;
            }
        }
        //i2c_write(i2ch, pair, 2);
        i2c_write(i2ch, CAM_ADDR, pair, 2);
        delay_ms(10);
        i=i+2;
    }while (not_finished);

  
  // test
  //pair[0]=OV9655_COM3; pair[1]=0x80;
  //i2c_write_ignore_nack(i2ch, CAM_ADDR, pair, 2);
  //delay_ms(10);
  
  
    cam_id_dump();
    i2c_close(i2ch);
    

    printf("Camera should be working\n");
    
    return(0);
}
Exemple #15
0
int i2c_read(int device, unsigned char *buf, int count)
{
    int cnt = count;
    int timeout = 5;

    device &= 0xFF;

    i2c_open();

L_try_again:
    if (timeout < 0)
        goto L_timeout;

    __i2c_send_nack();    /* Master does not send ACK, slave sends it */

    __i2c_send_start();
    if (i2c_put_data( (device << 1) | I2C_READ ) < 0)
        goto device_err;

    __i2c_send_ack();    /* Master sends ACK for continue reading */

    while (cnt)
    {
        if (cnt == 1)
        {
            if (i2c_get_data(buf, 0) < 0)
                break;
        }
        else
        {
            if (i2c_get_data(buf, 1) < 0)
                break;
        }
        cnt--;
        buf++;
    }

    __i2c_send_stop();
    i2c_close();
    return count - cnt;

device_err:
    timeout--;
    __i2c_send_stop();
    goto L_try_again;

L_timeout:
    __i2c_send_stop();
    logf("Read I2C device 0x%2x failed.", device);
    i2c_close();
    return -1;
}
Exemple #16
0
int i2c_init_servo() {
  fSERVO = i2c_open("/dev/i2c-1", ADDRESS_SERVO);
  printf("i2c: servo:file %d\n", fSERVO);
  if (fSERVO == -1)
    return -1;

  i2c_servo_set_servo(SERVO_LEFT, servo_left_close);
  i2c_servo_set_servo(SERVO_RIGHT, servo_right_close);
  u08 buf[2];
  buf[0] = 0x00, buf[1] = SERVO_AS_SR_DEF;
  i2c_write(fSERVO, buf, 2);
  return 0;
}
Exemple #17
0
void i2cget_main(void)
{
  int bus = atolx_range(toys.optargs[0], 0, INT_MAX);
  int chip = atolx_range(toys.optargs[1], 0, 0x7f);
  int addr = atolx_range(toys.optargs[2], 0, 0xff);
  int fd, byte;

  confirm("Read register 0x%02x from chip 0x%02x on bus %d?", addr, chip, bus);

  fd = i2c_open(bus, (toys.optflags&FLAG_f)?I2C_SLAVE_FORCE:I2C_SLAVE, chip);
  if (i2c_read_byte(fd, addr, &byte) == -1) perror_exit("i2c_read_byte");
  printf("0x%02x\n", byte);
  close(fd);
}
Exemple #18
0
void ledrgb_set(uint8_t rgb_mask, uint8_t r, uint8_t g, uint8_t b)
{
    //TRACE_INFO("ledrgb_set %x %x %x\r\n", r, g, b);
    i2c_open();

    if (rgb_mask & 0x1)
        i2cMasterWrite(LEDRGB_PHY_ADDR, 1, LEDRGB_REG_RPWM, r);
    if (rgb_mask & 0x2)
        i2cMasterWrite(LEDRGB_PHY_ADDR, 1, LEDRGB_REG_GPWM, g);
    if (rgb_mask & 0x4)
        i2cMasterWrite(LEDRGB_PHY_ADDR, 1, LEDRGB_REG_BPWM, b);

    i2c_close();
}
Exemple #19
0
void i2cdetect_main(void)
{
  if (toys.optflags & FLAG_l) {
    if (toys.optc) error_exit("-l doesn't take arguments");
    dirtree_read("/sys/class/i2c-dev", i2cdetect_dash_l);
  } else if (toys.optflags & FLAG_F) {
    if (toys.optc != 1) error_exit("-F BUS");
    i2cdetect_dash_F(atolx_range(*toys.optargs, 0, INT_MAX));
  } else {
    int bus, first = 0x03, last = 0x77, fd, row, addr, byte;

    if (toys.optflags & FLAG_a) {
      first = 0x00;
      last = 0x7f;
    }

    if (toys.optc != 1 && toys.optc != 3) error_exit("bad args");
    bus = atolx_range(*toys.optargs, 0, INT_MAX);
    if (toys.optc == 3) {
      first = atolx_range(toys.optargs[1], 0, 0x7f);
      last = atolx_range(toys.optargs[1], 0, 0x7f);
      if (first > last) error_exit("first > last");
    }

    confirm("Probe chips 0x%02x-0x%02x on bus %d?", first, last, bus);

    fd = i2c_open(bus, 0, 0);
    printf("     0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f\n");
    for (row = 0; row <= 0x70; row += 16) {
      xprintf("%02x:", row & 0xf0);
      for (addr = row; addr < row + 16; ++addr) {
        if (addr < first || addr > last) printf("   ");
        else {
          if (ioctl(fd, I2C_SLAVE, addr) == -1) {
            if (errno == EBUSY) {
              xprintf(" UU");
              continue;
            }
            perror_exit("ioctl(I2C_SLAVE)");
          }
          if (i2c_read_byte(fd, addr, &byte) == -1) xprintf(" --");
          else xprintf(" %02x", addr);
        }
      }
      putchar('\n');
    }
    close(fd);
  }
}
Exemple #20
0
int main(void){

i2c_init();
i2c_open(addr);

i2c_write(R_Vel,0x03,1000);
i2c_write(L_Vel,0x02,500);
//y = i2c_read(L_Enc);
//t = i2c_read(R_Enc);

printf("%u\n", t);
printf("%u\n", y);

return(0);
}
Exemple #21
0
/**
 * Open I2C device
 * 
 * @param self
 * @param args
 * @return 
 */
static PyObject* py_open(PyObject* self, PyObject* args) {

    /* Parse arguments */
    if (!PyArg_ParseTuple(args, "i", &address)) {
        return NULL;
    }
    
    /* Open slave device*/
    fd = i2c_open(bus, address);
    if (fd < 0) {
        return PyErr_SetFromErrno(PyExc_IOError);
    }

    Py_RETURN_NONE;
}
Exemple #22
0
unsigned char cam_reg_read(unsigned char addr, unsigned char reg)
{
    int ret;
    unsigned char buf[2];
    // To read from the camera, we first write the register value
    buf[0]=reg;
    //i2c_write_ignore_nack(i2ch, CAM_ADDR, buf, 1);
    i2c_write(i2ch, (char *) CAM_ADDR, buf, 1);
    i2c_close(i2ch);
    i2ch=i2c_open(I2CBUS, CAM_ADDR);
    ret=i2c_read_no_ack(i2ch, CAM_ADDR, buf, 1);
    if (ret<0)
        printf("cam_reg_read error!\n");
    
    return(buf[0]);
}
Exemple #23
0
int cam_trigger() {
    int i=0;
    unsigned char pair[2];
    
    i2ch=i2c_open(I2CBUS, CAM_ADDR);
    
    // trigger an exposure
    pair[0]=MT9M001_FRAME_RESTART; pair[1]=0x0001;
    i2c_write(i2ch, CAM_ADDR, pair, 2);
  
    cam_id_dump();
    i2c_close(i2ch);
    

    return(0);
}
Exemple #24
0
static be_jse_symbol_t *i2c_module_handle_cb(be_jse_vm_ctx_t *execInfo, be_jse_symbol_t *var, const char *name)
{

    if (0 == strcmp(name, "open")) {
        return i2c_open();
    }
    if (0 == strcmp(name, "read")) {
        return i2c_read();
    }
    if (0 == strcmp(name, "write")) {
        return i2c_write();
    }
    if (0 == strcmp(name, "close")) {
        return i2c_close();
    }
    return (BE_JSE_FUNC_UNHANDLED);
}
int  main (void) {
    if (i2c_open()<0) { printf("Apertura del bus I2C fallita\n"); return 1; }

    ds1307_init();

    input_data();
    set_data(giorno_in,mese_in,anno_in);
    printf("Data sul DS1307: %d/%d/%d\r\n",read_day(),read_month(),read_year());

    input_ora();
    set_ora(ora_in,minuto_in);
    while (1){
		printf("Data sul DS1307: %02X/%02X/%02X\r\n", read_day(), read_month(), read_year());
        printf("Ora sul DS1307: %02X:%02X:%02X\r\n",read_hour(),read_min(),read_sec());
		
        sleep(10);
    }
    return 1;
}
Exemple #26
0
int ledrgb_open () {
    if(!ledrgb_open_count++) {
        i2c_open();

        i2cMasterWrite(LEDRGB_PHY_ADDR, 1, LEDRGB_REG_ENABLE, LEDRGB_CHIPEN);
        //delay(500);
        Task_sleep(1);
        //i2cMasterWrite(LEDRGB_PHY_ADDR, 1, LEDRGB_REG_CONFIG, LEDRGB_CPMODE_AUTO|LEDRGB_PWM_HF|LEDRGB_INT_CLK_EN|LEDRGB_R_TO_BATT);
        i2cMasterWrite(LEDRGB_PHY_ADDR, 1, LEDRGB_REG_CONFIG, LEDRGB_CPMODE_AUTO|LEDRGB_PWM_HF|LEDRGB_INT_CLK_EN|LEDRGB_R_TO_BATT|LEDRGB_PWRSAVE_EN);
        //delay(20);
        i2cMasterWrite(LEDRGB_PHY_ADDR, 1, LEDRGB_REG_OPMODE, LEDRGB_RMODE_DC|LEDRGB_GMODE_DC|LEDRGB_BMODE_DC);
        //config lights:
        i2cMasterWrite(LEDRGB_PHY_ADDR, 1, LEDRGB_REG_RCURRENT, 0x20);
        i2cMasterWrite(LEDRGB_PHY_ADDR, 1, LEDRGB_REG_GCURRENT, 0x20);
        i2cMasterWrite(LEDRGB_PHY_ADDR, 1, LEDRGB_REG_BCURRENT, 0x20);

        i2c_close();
    }
}
Exemple #27
0
int aversive_open(aversive_dev_t* dev)
{
#if CONFIG_USE_I2C

  if (i2c_open(&dev->i2c_dev, 0) == -1)
  {
    DEBUG_ERROR("i2c_open\n");
    return -1;
  }

#elif CONFIG_USE_CAN

  dev->can_dev = can_open();
  if (dev->can_dev == 0)
  {
    DEBUG_ERROR("can_open\n");
    return -1;
  }

#endif /* CONFIG_USE_XXX */

#if (CONFIG_DO_ADC == 0)
#if (CONFIG_DO_KEYVAL == 0)

  /* send the following to initialize aversive
   */

  aversive_sync_sequence(dev);
  aversive_stop(dev);
  aversive_set_asserv(dev, 0);
  aversive_set_power(dev, 0);
  aversive_set_pos(dev, 0, 0, 0);
  aversive_set_power(dev, 1);
  aversive_set_asserv(dev, 1);
  aversive_set_blocking_params(dev, 5, 300, 8000);
  aversive_set_blocking_params2(dev, 150, 150);

#endif /* CONFIG_DO_KEYVAL == 0 */
#endif /* CONFIG_DO_ADC == 0 */

  return 0;
}
Exemple #28
0
int main(int argc, char** argv) {
    if (argc < 3) {
        fprintf(stderr, "Must specify I2C bus number and command\n");
        return -1;
    }
   
    int returnVal = -1;
    int fd = i2c_open(atoi(argv[1]), I2C_ADDRESS);

    if (fd == -1)
        return -1;

    if (strcmp(argv[2], "s") == 0) {
        
        returnVal = switch_application(fd);
        
    } else if (strcmp(argv[2], "v") == 0) {

        unsigned char version[INFO_SIZE];
        version[INFO_SIZE] = '\0';

        returnVal = read_version(fd, version, INFO_SIZE);

        if (returnVal != -1)
            printf("%s\n", version);

    } else if (strcmp(argv[2], "c") == 0) {
        unsigned char buffer[2];

        returnVal = read_checksum(fd, buffer, sizeof(buffer));

        if (returnVal != -1) {
            printf("%02X %02X\n", buffer[0], buffer[1]);
        }
    } else {
        fprintf(stderr, "Unknown command\n");
    }

    i2c_close(fd);
    return returnVal;
}
Exemple #29
0
void i2cdump_main(void)
{
  int bus = atolx_range(toys.optargs[0], 0, INT_MAX);
  int chip = atolx_range(toys.optargs[1], 0, 0x7f);
  int fd, row, addr, byte;

  confirm("Dump chip 0x%02x on bus %d?", chip, bus);

  fd = i2c_open(bus, (toys.optflags&FLAG_f)?I2C_SLAVE_FORCE:I2C_SLAVE, chip);
  printf("     0  1  2  3  4  5  6  7  8  9  a  b  c  d  e  f    0123456789abcdef\n");
  for (row = 0; row <= 0xf0; row += 16) {
    xprintf("%02x:", row & 0xf0);
    for (addr = row; addr < row + 16; ++addr) {
      if (i2c_read_byte(fd, addr, &byte) == -1) perror_exit("i2c_read_byte");
      printf(" %02x", byte);
      toybuf[addr-row] = isprint(byte) ? byte : (byte ? '?' : '.');
    }
    printf("    %16.16s\n", toybuf);
  }
  close(fd);
}
Exemple #30
0
/**
  Initialize Gsensor IIC bus

  Initialize Gsensor IIC bus

  @param void
  @return void
*/
BOOL GSensor_I2C_Init(GSENSOR_INFO GSensorInfo)
{
    UINT erReturn;

    g_GsensorInfo.I2C_RegBytes = GSensorInfo.I2C_RegBytes;
    g_GsensorInfo.I2C_PinMux = GSensorInfo.I2C_PinMux;
    g_GsensorInfo.I2C_BusClock = GSensorInfo.I2C_BusClock;
    g_GsensorInfo.I2C_Slave_WAddr = GSensorInfo.I2C_Slave_WAddr;
    g_GsensorInfo.I2C_Slave_RAddr = GSensorInfo.I2C_Slave_RAddr;

    if (g_GsensorInfo.I2C_RegBytes > GSENSOR_I2C_REGISTER_2BYTE)
    {
        debug_msg("Error register Byte Count !!\r\n");
        return FALSE;
    }

    if (g_GsensorInfo.I2C_PinMux > I2C_PINMUX_2ND)
    {
        debug_msg("Error I2C Pin mux !!\r\n");
        return FALSE;
    }

    if (g_GsensorInfo.I2C_BusClock > I2C_BUS_CLOCK_1MHZ)
    {
        debug_msg("Error I2C Bus Clock !!\r\n");
        return FALSE;
    }

    erReturn = i2c_open(&(g_GsensorInfo.I2C_Channel));
    if(erReturn != I2C_STS_OK)
    {
        debug_err(("Error open I2C driver!!\r\n"));
        return FALSE;
    }

    i2c_setConfig(g_GsensorInfo.I2C_Channel, I2C_CONFIG_ID_PINMUX, g_GsensorInfo.I2C_PinMux); //select to control I2C 1st device
    i2c_setConfig(g_GsensorInfo.I2C_Channel, I2C_CONFIG_ID_BUSCLOCK, g_GsensorInfo.I2C_BusClock); //up to 400KHZ

    return TRUE;
}