ads1100_set_config_bits
ads1100_set_config_bits(data, ADS1100_PGA_MASK, ffs(gain) - 1);
return ads1100_set_config_bits(data, ADS1100_DR_MASK,
ads1100_set_config_bits(data, ADS1100_CFG_SC, ADS1100_SINGLESHOT);
ads1100_set_config_bits(data, ADS1100_CFG_SC, ADS1100_SINGLESHOT);
return ads1100_set_config_bits(data, ADS1100_CFG_SC,