In SX Microcontrollers, SX/B Compiler and SX-Key Tool, peterverkaik wrote:

Here is the one DTMF detect demo program I could find:
[url=http://www.sxlist.com/techref/scenix/lib/io/osi1/dfs/dtmf_det_src.htm]http://www.sxlist.com/techref/scenix/lib/io/osi1/dfs/dtmf_det_src.htm[/url]

It is in assembler. To convert it to SX/B (or embed it in SX/B) I would
copy the interrupt code as is (in asm-endasm block) and recreate
the interface with mainline code in SX/B.

This requires studying the code and will take some time, but it can be done.

regards peter

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