Electronic organ with free-combined keys and a method to realize free combination

摘要

The present invention discloses a kind of electronic organ with free-combined keys and the method to realize free combination of key groups. The electronic organ comprises host processor and key groups. The method includes steps: S1, Connect freely combined key groups to the electronic organ; S2, The host processor obtains the number of the key groups, address information and locations of keys in key groups; S3, The host processor sets the function or scale for each key according the number of key groups, address information and locations of keys in key groups. The present invention realizes free combination and disassembly of key groups by a method recognizing the free-combined key groups. It makes miniaturization and portability of electronic organ possible and strengthens user experience. Its structure is simple and it brings good economic and social benefits. The present invention can be applied to a variety of electronic organs.

主权项

1. An electric organ with free-combined keys, characterized in that:
it comprises a host processor and several key groups; wherein, the key groups comprise several keys, a first interface that provides access to host processor or previous key group and a second interface that provides access to next key group; wherein the first interface comprises a first port and a first I2C bus interface; the second interface comprises a second port and a second I2C bus interface; wherein, the first port and the second port connect to sub-processors, the first I2C bus interface connects to sub-processor and the second I2C bus interface respectively; wherein the first port is used to access to the second port of previous key group or host processor; and wherein the first I2C bus interface is used to access to the second I2C bus interface of previous key group or the host processor; wherein the second port comprises: a transmitting terminal; a receiving terminal; wherein the transmitting terminal and the receiving terminal are configured to:
short when no key group is connected to the second port; anddisconnect when there is a key group connected to the second port; wherein the disconnected transmitting terminal and disconnected receiving terminal respectively connect to a transmitting terminal and a receiving terminal of a previous key group; and wherein the host processor is configured to send instructions including group number information to the key group connected to the host processor via a port line.