초록 ▼

An apparatus and method for distributing data transmission from a plurality of data input queues in a memory buffer to an output. The method includes associating a priority indicator with each data input queue, determining a priority indicator having a highest priority level among the plurality of p

An apparatus and method for distributing data transmission from a plurality of data input queues in a memory buffer to an output. The method includes associating a priority indicator with each data input queue, determining a priority indicator having a highest priority level among the plurality of priority indicators and selecting the data input queue associated with the priority indicator having the highest priority level to transmit to the output.

대표청구항 ▼

An apparatus and method for distributing data transmission from a plurality of data input queues in a memory buffer to an output. The method includes associating a priority indicator with each data input queue, determining a priority indicator having a highest priority level among the plurality of p

An apparatus and method for distributing data transmission from a plurality of data input queues in a memory buffer to an output. The method includes associating a priority indicator with each data input queue, determining a priority indicator having a highest priority level among the plurality of priority indicators and selecting the data input queue associated with the priority indicator having the highest priority level to transmit to the output. forming a data packet including a plurality of packet data including, a data synchronization portion, a command portion, a receiver selection portion, a data portion, a parity portion, and an error portion. 9. The method of claim 8 wherein the data packet includes a data synchronization portion including 3 bits in a predetermined synchronization pattern for packet synchronization; the command portion including 2 bits as a command code read from the first robot bus device control register; the receiver selection portion including 6 bits; the data portion including 8 bits of data to be transferred read from the first robot bus device data transfer register; the parity portion 1 bit of even parity for the 8 bits of data, and 1 bit for parity error detect for the 8 bits of data and the 1 bit of even parity; and the error portion 1 bit for bus collision status; and transferring the data packet from the first robot bus device to the second robot bus device over a serial link including a first data transfer line and a clock line having a clock signal thereon. 10. The method of claim 9 wherein the data packet further includes a null data portion.11. The method of claim 10 wherein the null data portion includes 3 bits.12. The method of claim 10 wherein the 6 bit includes a bus robot device selection portion and a register selection portion.13. The method of claim 12 wherein the bus robot device selection portion includes 3 bits and the register selection portion includes 3 bits.14. The method of claim 9 wherein the command code is a write command, the method further including the steps of: receiving the data packet by the second robot bus device corresponding to the second robot bus device selection data; reading the 8 bits of data in the device packet; and storing the 8 bits of data in the register corresponding to the second robot bus device register select data. 15. The method of claim 9 wherein the command code is a read command, the method further including the steps of: receiving the data packet by the second robot bus device corresponding to the second robot bus device selection data; reading the data stored in the register corresponding to the second robot bus device register select data; forming a read 26 bit packet data including, 3 bits for packet synchronization;8 bits indicating status of each of the second robot devices;8 bits of data;1 bit of even parity for the 8 bits of data1 bit for parity error detect for the 8 bits of data and 1 bit of even parity;1 bit for bus collision status; and3 bit as a null field; and transferring the read 26 bit data packet to the first robot bus device.