PM8821_BLOCKS_PER_MASTER
block += (master * PM8821_BLOCKS_PER_MASTER) - 1;
master = block / PM8821_BLOCKS_PER_MASTER;
block %= PM8821_BLOCKS_PER_MASTER;
master = block / PM8821_BLOCKS_PER_MASTER;
block %= PM8821_BLOCKS_PER_MASTER;
master = block / PM8821_BLOCKS_PER_MASTER;
block %= PM8821_BLOCKS_PER_MASTER;