int bma020_get_image(bma020regs_t *bma020Image)
{
int comres;
unsigned char data;
if (p_bma020==0)
return E_BMA020_NULL_PTR;
comres = p_bma020->BMA020_BUS_READ_FUNC(p_bma020->dev_addr, EE_W__REG,&data, 1);
data = BMA020_SET_BITSLICE(data, EE_W, BMA020_EE_W_ON);
comres = p_bma020->BMA020_BUS_WRITE_FUNC(p_bma020->dev_addr, EE_W__REG, &data, 1);
comres = p_bma020->BMA020_BUS_READ_FUNC(p_bma020->dev_addr, BMA020_IMAGE_BASE, (unsigned char *)bma020Image, BMA020_IMAGE_LEN);
data = BMA020_SET_BITSLICE(data, EE_W, BMA020_EE_W_OFF);
comres = p_bma020->BMA020_BUS_WRITE_FUNC(p_bma020->dev_addr, EE_W__REG, &data, 1);
return comres;
}
/** Perform soft reset of BMA020 via bus command
*/
int bma020_soft_reset(void)
{
int comres;
unsigned char data = 0;
data = BMA020_SET_BITSLICE(data, SOFT_RESET, 1);
comres = i2c_bma020_write_buf(SOFT_RESET__REG, &data, 1);
return comres;
}
/** start BMA020s integrated selftest function
\param st 1 = selftest0, 3 = selftest1 (see also)
\return result of bus communication function
\see BMA020_SELF_TEST0_ON
\see BMA020_SELF_TEST1_ON
*/
int bma020_selftest(unsigned char st)
{
int comres;
unsigned char data;
comres = i2c_bma020_read_buf(SELF_TEST__REG, &data, 1);
data = BMA020_SET_BITSLICE(data, SELF_TEST, st);
comres |= i2c_bma020_write_buf(SELF_TEST__REG, &data, 1);
return comres;
}
int bma020_selftest(unsigned char st)
{
int comres;
unsigned char data;
comres = p_bma020->BMA020_BUS_READ_FUNC(p_bma020->dev_addr, SELF_TEST__REG, &data, 1);
data = BMA020_SET_BITSLICE(data, SELF_TEST, st);
comres += p_bma020->BMA020_BUS_WRITE_FUNC(p_bma020->dev_addr, SELF_TEST__REG, &data, 1);
return comres;
}
/** set bma020s range
\param range
\return result of bus communication function
\see BMA020_RANGE_2G
\see BMA020_RANGE_4G
\see BMA020_RANGE_8G
*/
int bma020_set_range(char range)
{
int comres = 0;
unsigned char data;
if (range < 3) {
comres = i2c_bma020_read_buf(RANGE__REG, &data, 1);
data = BMA020_SET_BITSLICE(data, RANGE, range);
comres |= i2c_bma020_write_buf(RANGE__REG, &data, 1);
}
return comres;
}
int bma020_update_image()
{
int comres;
unsigned char data=0;
if (p_bma020==0)
return E_BMA020_NULL_PTR;
data = BMA020_SET_BITSLICE(data, UPDATE_IMAGE, 1);
comres = p_bma020->BMA020_BUS_WRITE_FUNC(p_bma020->dev_addr, UPDATE_IMAGE__REG, &data,1);
return comres;
}
int bma020_soft_reset(void)
{
int comres;
unsigned char data=0;
if (p_bma020==0)
return E_BMA020_NULL_PTR;
data = BMA020_SET_BITSLICE(data, SOFT_RESET, 1);
comres = p_bma020->BMA020_BUS_WRITE_FUNC(p_bma020->dev_addr, SOFT_RESET__REG, &data,1);
return comres;
}
int bma020_set_ee_w(unsigned char eew)
{
unsigned char data;
int comres;
if (p_bma020==0)
return E_BMA020_NULL_PTR;
comres = p_bma020->BMA020_BUS_READ_FUNC(p_bma020->dev_addr, EE_W__REG,&data, 1);
data = BMA020_SET_BITSLICE(data, EE_W, eew);
comres = p_bma020->BMA020_BUS_WRITE_FUNC(p_bma020->dev_addr, EE_W__REG, &data, 1);
return comres;
}
/** set BMA020s operation mode
\param mode 0 = normal, 2 = sleep, 3 = auto wake up
\return result of bus communication function
\note Available constants see below
\see BMA020_MODE_NORMAL, BMA020_MODE_SLEEP, BMA020_MODE_WAKE_UP
\see bma020_get_mode()
*/
int bma020_set_mode(unsigned char mode)
{
int comres = 0;
unsigned char data1, data2;
if (mode < 4 || mode != 1) {
comres = i2c_bma020_read_buf(WAKE_UP__REG, &data1, 1);
data1 = BMA020_SET_BITSLICE(data1, WAKE_UP, mode);
comres |= i2c_bma020_read_buf(SLEEP__REG, &data2, 1);
data2 = BMA020_SET_BITSLICE(data2, SLEEP, (mode >> 1));
comres |= i2c_bma020_write_buf(WAKE_UP__REG, &data1, 1);
comres |= i2c_bma020_write_buf(SLEEP__REG, &data2, 1);
bma_dev.mode = mode;
}
int bma020_set_offset(unsigned char xyz, unsigned short offset)
{
int comres;
unsigned char data;
if (p_bma020==0)
return E_BMA020_NULL_PTR;
comres = p_bma020->BMA020_BUS_READ_FUNC(p_bma020->dev_addr, (OFFSET_X_LSB__REG+xyz), &data, 1);
data = BMA020_SET_BITSLICE(data, OFFSET_X_LSB, offset);
comres += p_bma020->BMA020_BUS_WRITE_FUNC(p_bma020->dev_addr, (OFFSET_X_LSB__REG+xyz), &data, 1);
data = (offset&0x3ff)>>2;
comres += p_bma020->BMA020_BUS_WRITE_FUNC(p_bma020->dev_addr, (OFFSET_X_MSB__REG+xyz), &data, 1);
return comres;
}
int bma020_set_mode(unsigned char mode) {
int comres=0;
unsigned char data1, data2;
if (p_bma020==0)
return E_BMA020_NULL_PTR;
if (mode<4 || mode!=1)
{
comres = p_bma020->BMA020_BUS_READ_FUNC(p_bma020->dev_addr, WAKE_UP__REG, &data1, 1 );
data1 = BMA020_SET_BITSLICE(data1, WAKE_UP, mode);
comres += p_bma020->BMA020_BUS_READ_FUNC(p_bma020->dev_addr, SLEEP__REG, &data2, 1 );
data2 = BMA020_SET_BITSLICE(data2, SLEEP, (mode>>1));
comres += p_bma020->BMA020_BUS_WRITE_FUNC(p_bma020->dev_addr, WAKE_UP__REG, &data1, 1);
comres += p_bma020->BMA020_BUS_WRITE_FUNC(p_bma020->dev_addr, SLEEP__REG, &data2, 1);
p_bma020->mode = mode;
}
int bma020_set_range(char range)
{
int comres = 0;
unsigned char data;
if (p_bma020==0)
return E_BMA020_NULL_PTR;
if (range<3)
{
comres = p_bma020->BMA020_BUS_READ_FUNC(p_bma020->dev_addr, RANGE__REG, &data, 1 );
data = BMA020_SET_BITSLICE(data, RANGE, range);
comres += p_bma020->BMA020_BUS_WRITE_FUNC(p_bma020->dev_addr, RANGE__REG, &data, 1);
}
return comres;
}