Methods, systems, and computer readable media for applying digital signal processor (DSP) blocks in configurable sequences using sorting switch
A method for applying digital signal processor (DSP) blocks in a configurable order includes providing a plurality of DSP blocks for performing a plurality of different signal processing operations on input data. The method further includes providing a sorting switch for connecting the DSP blocks together in a configurable order to implement a signal processing task. The method further includes configuring the sorting switch to apply the DSP blocks in a predetermined order to implement the signal processing task. The method further includes switching input data from the sorting switch to the DSP blocks in the predetermined order to implement the signal processing task.
1. A method for applying digital signal processor (DSP) blocks in a configurable order, the method comprising:
providing a plurality of DSP blocks for performing a plurality of different signal processing operations on input data;
providing a sorting switch including a plurality of data input ports and a plurality of data output ports for connecting the DSP blocks together in a configurable order to implement a signal processing task, wherein each of the DSP blocks is connected to at least one of the data input ports of the sorting switch and at least one of the data output ports of the sorting switch and data flows from the data output ports of the sorting switch, through the DSP blocks, and back to the sorting switch via the data input ports;
configuring the sorting switch to apply the DSP blocks in a predetermined order to implement the signal processing task, wherein configuring the sorting switch to apply the DSP blocks includes writing values to control registers associated with the data input ports of the sorting switch that identify data output ports of the sorting switch to which data entering the sorting switch via the data input ports should be forwarded such that any of the DSP blocks is accessible via any of the data input ports; and
switching input data from the sorting switch to the DSP blocks in the predetermined order to implement the signal processing task.
2. The method of claim 1 wherein providing the DSP blocks includes providing DSP blocks for processing digitized data for an oscilloscope trace.
3. The method of claim 2 wherein providing the DSP blocks for processing the digitized data for the oscilloscope trace includes providing at least one arithmetic logic unit (ALU) block, at least one filter, at least one up converter, and at least one down converter.
4. The method of claim 1 wherein the sorting switch comprises a batcher switch.
5. The method of claim 4 wherein configuring the sorting switch includes configuring the batcher switch by writing the values to the control registers to control which ones of the DSP blocks are applied to the input data and the predetermined order in which the DSP blocks are applied to the input data.
6. The method of claim 4 wherein configuring the sorting switch includes configuring the batcher switch to apply different ones of the DSP blocks to different streams of input data.
7. The method of claim 4 wherein configuring the sorting switch includes configuring the sorting switch to split a stream of input data into two streams, process the streams using different ones of the DSP blocks, and combine the streams.
8. The method of claim 1 wherein switching the input data from the sorting switch to the DSP blocks includes forwarding the input data from the sorting switch to a first DSP block, from the first DSP block to the sorting switch, and from the sorting switch to a second DSP block.
9. The method of claim 1 comprising providing a plurality of the sorting switches and a plurality of the DSP blocks accessible via each of the sorting switches.
10. A system for applying digital signal processor (DSP) blocks in a configurable order, the system comprising:
a plurality of DSP blocks for performing a plurality of different signal processing operations on input data; and
a sorting switch including a plurality of data input ports and a plurality of data output ports for connecting the DSP blocks together, the sorting switch being configurable for applying the DSP blocks in a predetermined order to implement the signal processing task and for switching input data from the sorting switch to the DSP blocks in the predetermined order to implement the signal processing task, wherein each of the DSP blocks is connected to at least one of the data input ports of the sorting switch and at least one of the data output ports of the sorting switch and data flows from the data output ports of the sorting switch, through the DSP blocks, and back to the sorting switch via the data input ports and wherein the sorting switch is configurable to apply the DSP blocks by writing values to control registers associated with the data input ports of the sorting switch that identify data output ports of the sorting switch to which data entering the sorting switch via the data input ports should be forwarded such that any of the DSP blocks is accessible via any of the data input ports.
11. The system of claim 10 wherein the DSP blocks are configured to process digitized data for an oscilloscope trace.
12. The system of claim 11 wherein the DSP blocks include at least one arithmetic logic unit (ALU) block, at least one filter, at least one up converter, and at least one down converter.
13. The system of claim 10 wherein the sorting switch comprises a batcher switch.
14. The system of claim 13 wherein the batcher switch is configurable by writing the values to the control registers to control which ones of the DSP blocks are applied to the input data and the predetermined order in which the DSP blocks are applied to the rut data.
15. The system of claim 13 wherein the batcher switch is configurable to apply different ones of the DSP blocks to different streams of input data.
16. The system of claim 13 wherein the batcher switch is configurable to split a stream of input data into two streams, process the streams using different ones of the DSP blocks, and combine the streams.
17. The system of claim 10 wherein the sorting switch is configurable to switch the input data from the sorting switch to a first DSP block, from the first DSP block to the sorting switch, and from the sorting switch to a second DSP block.
18. The system of claim 10 comprising a plurality of the sorting switches and a plurality of the DSP blocks accessible via each of the sorting switches.