Busy line of sound module has set wrong Bit 5 (Sound available) according to this definition
struct ll_status {
// Type of this message. Has to be PACKET_ID_LL_STATUS.
uint8_t type;
// Bitmask for rain, sound, powers etc
// Bit 0: Initialized (i.e. setup() was a success). If this is 0, all other bits are meaningless.
// Bit 1: Raspberry Power
// Bit 2: Charging enabled
// Bit 3: don't care
// Bit 4: Rain detected
// Bit 5: Sound available
// Bit 6: Sound busy
// Bit 7: UI Board available
uint8_t status_bitmask;
...
Busy line of sound module has set wrong Bit 5 (Sound available) according to this definition
Fixed now to Bit 6