topic Re: USB MIDI driver for Kinetis in Kinetis Microcontrollers https://community.nxp.com/t5/Kinetis-Microcontrollers/USB-MIDI-driver-for-Kinetis/m-p/221972#M4071 <HTML><HEAD></HEAD><BODY><P>I was having a fiddle round the other day with Processor Expert - found it quite easy to configure the UART to the 31250 bps that you need. (Think that was an HCS08 part - I've got those and Kinetis on the go at the moment, but Kinetis would be no harder with PEx.)</P><P></P><P>Biggest challenge is building the state machine to process MIDI input, but you should be able to adapt pretty well any C code that does that, just need to replace the UART bits with what PEx spits out. </P><P></P><P>If you'd asked in a year's time, I might have been able to share, but my MIDI project is a fair way down the queue at the moment :smileywink:</P><P></P><P>Just remember that, hardware-wise, you're using a current loop on the input (via an optocoupler) rather than just coming straight into the UART RXD, and that you need to buffer your output.</P></BODY></HTML> Mon, 22 Oct 2012 03:24:38 GMT Smiffytech 2012-10-22T03:24:38Z USB MIDI driver for Kinetis https://community.nxp.com/t5/Kinetis-Microcontrollers/USB-MIDI-driver-for-Kinetis/m-p/221971#M4070 <HTML><HEAD></HEAD><BODY><P>I'm looking for a USB MIDI driver for Kinetis for a bare metal project. Wondering if one exisits - thanks.</P></BODY></HTML> Mon, 22 Oct 2012 02:56:49 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/USB-MIDI-driver-for-Kinetis/m-p/221971#M4070 JarretSK 2012-10-22T02:56:49Z Re: USB MIDI driver for Kinetis https://community.nxp.com/t5/Kinetis-Microcontrollers/USB-MIDI-driver-for-Kinetis/m-p/221972#M4071 <HTML><HEAD></HEAD><BODY><P>I was having a fiddle round the other day with Processor Expert - found it quite easy to configure the UART to the 31250 bps that you need. (Think that was an HCS08 part - I've got those and Kinetis on the go at the moment, but Kinetis would be no harder with PEx.)</P><P></P><P>Biggest challenge is building the state machine to process MIDI input, but you should be able to adapt pretty well any C code that does that, just need to replace the UART bits with what PEx spits out. </P><P></P><P>If you'd asked in a year's time, I might have been able to share, but my MIDI project is a fair way down the queue at the moment :smileywink:</P><P></P><P>Just remember that, hardware-wise, you're using a current loop on the input (via an optocoupler) rather than just coming straight into the UART RXD, and that you need to buffer your output.</P></BODY></HTML> Mon, 22 Oct 2012 03:24:38 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/USB-MIDI-driver-for-Kinetis/m-p/221972#M4071 Smiffytech 2012-10-22T03:24:38Z Re: USB MIDI driver for Kinetis https://community.nxp.com/t5/Kinetis-Microcontrollers/USB-MIDI-driver-for-Kinetis/m-p/221973#M4072 <HTML><HEAD></HEAD><BODY><P>There is no MIDI class in the current stack for Kinetis. </P></BODY></HTML> Fri, 01 Feb 2013 06:19:01 GMT https://community.nxp.com/t5/Kinetis-Microcontrollers/USB-MIDI-driver-for-Kinetis/m-p/221973#M4072 florintoma 2013-02-01T06:19:01Z