void
FXAS21002C::write_reg(unsigned reg, uint8_t value)
{
uint8_t cmd[2];
cmd[0] = DIR_WRITE(reg);
cmd[1] = value;
transfer(cmd, nullptr, sizeof(cmd));
}
void
FXOS8700CQ::write_reg(unsigned reg, uint8_t value)
{
uint8_t cmd[3];
cmd[0] = DIR_WRITE(reg);
cmd[1] = ADDR_7(reg);
cmd[2] = value;
transfer(cmd, nullptr, sizeof(cmd));
}
int
PMW3901::writeRegister(unsigned reg, uint8_t data)
{
uint8_t cmd[2]; // write 1 byte
int ret;
cmd[0] = DIR_WRITE(reg);
cmd[1] = data;
ret = transfer(&cmd[0], nullptr, 2);
if (OK != ret) {
perf_count(_comms_errors);
DEVICE_LOG("spi::transfer returned %d", ret);
return ret;
}
return ret;
}
