ipc_command
ipc_command(scu, (count * 2) << 16 | id << 12 | 0 << 8 | op);
ipc_command(scu, (count * 3) << 16 | id << 12 | 0 << 8 | op);
ipc_command(scu, 4 << 16 | id << 12 | 0 << 8 | op);
ipc_command(scu, cmdval);
ipc_command(scu, cmdval);