FTM Quad Decoder Demo App

Keith4DSmith — Thu, 19 Jul 2018 12:37:20 GMT

The following code snippet is from the SDK 2.4 ftm_quad_decoder example in the 'demo_apps' folder.

/* Set the modulo values for Quad Decoder. */
FTM_SetQuadDecoderModuloValue(DEMO_FTM_BASEADDR, 0U, DEMO_QUAD_DECODER_MODULO);

/* Enable the Quad Decoder mode. */
phaseParamsConfigStruct.enablePhaseFilter = true;
phaseParamsConfigStruct.phaseFilterVal = 16;
phaseParamsConfigStruct.phasePolarity = kFTM_QuadPhaseNormal;
FTM_SetupQuadDecode(DEMO_FTM_BASEADDR, &phaseParamsConfigStruct, /* Phase A. */
&phaseParamsConfigStruct, /* Phase B. */
kFTM_QuadPhaseEncode);

The assignment

phaseParamsConfigStruct.phaseFilterVal = 16;

has not affect.

The width of the phaseFilterVal is only 4 bits. 16 is the same as zero.

Re: FTM Quad Decoder Demo App

Robin_Shen — Tue, 24 Jul 2018 02:05:06 GMT

Hi Keith Smith,

Thanks for reporting this issue.
I will inform our MCUXpresso SDK team.

Best Regards,

Robin

Re: FTM Quad Decoder Demo App

Robin_Shen — Wed, 08 Aug 2018 07:43:49 GMT

Received the reply from MCUXpresso SDK team, they will fix it in the next version.

Best Regards,

Robin

topic Re: FTM Quad Decoder Demo App in Kinetis Microcontrollers

FTM Quad Decoder Demo App

Re: FTM Quad Decoder Demo App

Re: FTM Quad Decoder Demo App