int smb380_init(smb380_t *smb380)
{
int comres=0;
unsigned char data;
p_smb380 = smb380; /* assign smb380 ptr */
p_smb380->dev_addr = SMB380_I2C_ADDR; /* preset SM380 I2C_addr */
comres += p_smb380->SMB380_BUS_READ_FUNC(p_smb380->dev_addr, SMB380_CHIP_ID__REG, &data, 1); /* read Chip Id */
p_smb380->chip_id = SMB380_GET_BITSLICE(data, SMB380_CHIP_ID); /* get bitslice */
comres += p_smb380->SMB380_BUS_READ_FUNC(p_smb380->dev_addr, SMB380_ML_VERSION__REG, &data, 1); /* read Version reg */
p_smb380->ml_version = SMB380_GET_BITSLICE(data, SMB380_ML_VERSION); /* get ML Version */
p_smb380->al_version = SMB380_GET_BITSLICE(data, SMB380_AL_VERSION); /* get AL Version */
return comres;
}
/** get eew-flag
\param *eew pointer to eew-flag
\return result of bus communication function
*/
int smb380_get_ee_w(unsigned char *eew)
{
int comres;
if (p_smb380==0)
return E_SMB_NULL_PTR;
comres = p_smb380->SMB380_BUS_READ_FUNC(p_smb380->dev_addr, SMB380_EE_W__REG,eew, 1);
*eew = SMB380_GET_BITSLICE(*eew, SMB380_EE_W);
return comres;
}
int smb380_init(smb380_t *smb380)
{
int comres=0;
unsigned char data;
p_smb380 = smb380;
p_smb380->dev_addr = SMB380_I2C_ADDR;
comres += p_smb380->SMB380_BUS_READ_FUNC(p_smb380->dev_addr, SMB380_CHIP_ID__REG, &data, 1);
p_smb380->chip_id = SMB380_GET_BITSLICE(data, SMB380_CHIP_ID);
comres += p_smb380->SMB380_BUS_READ_FUNC(p_smb380->dev_addr, SMB380_ML_VERSION__REG, &data, 1);
p_smb380->ml_version = SMB380_GET_BITSLICE(data, SMB380_ML_VERSION);
p_smb380->al_version = SMB380_GET_BITSLICE(data, SMB380_AL_VERSION);
return comres;
}
/** read out offset data from
\param xyz select axis x=0, y=1, z=2
\param *offset pointer to offset value (offset is in offset binary representation
\return result of bus communication function
\note use smb380_set_ee_w() function to enable access to offset registers
*/
int smb380_get_offset(unsigned char xyz, unsigned short *offset)
{
int comres;
unsigned char data;
if (p_smb380==0)
return E_SMB_NULL_PTR;
comres = p_smb380->SMB380_BUS_READ_FUNC(p_smb380->dev_addr, (SMB380_OFFSET_X_LSB__REG+xyz), &data, 1);
data = SMB380_GET_BITSLICE(data, SMB380_OFFSET_X_LSB);
*offset = data;
comres += p_smb380->SMB380_BUS_READ_FUNC(p_smb380->dev_addr, (SMB380_OFFSET_X_MSB__REG+xyz), &data, 1);
*offset |= (data<<2);
return comres;
}
/* readout select range from SMB380
\param *range pointer to range setting
\return result of bus communication function
\see SMB380_RANGE_2G, SMB380_RANGE_4G, SMB380_RANGE_8G
\see smb380_set_range()
*/
int smb380_get_range(unsigned char *range)
{
int comres = 0;
if (p_smb380==0)
return E_SMB_NULL_PTR;
comres = p_smb380->SMB380_BUS_READ_FUNC(p_smb380->dev_addr, SMB380_RANGE__REG, range, 1 );
*range = SMB380_GET_BITSLICE(*range, SMB380_RANGE);
return comres;
}
