Example S32K344 PIT BTCU parallel ADC FIFO DMA DS3.5 RTD300

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Example S32K344 PIT BTCU parallel ADC FIFO DMA DS3.5 RTD300

Example S32K344 PIT BTCU parallel ADC FIFO DMA DS3.5 RTD300

*******************************************************************************

 The purpose of this demo application is to present a usage of the
 ADC_SAR and BCTU IP Driver for the S32K3xx MCU.

 The example uses the PIT0 trigger to trigger BCTU conversion list to
 perform parallel conversions on ADC0/ADC1. Three ADC channels
 are selected to be converted on each ADC:
 ADC0: S8 , P0, S8
 ADC1: S10, S13, S17
 Converted results from BCTU FIFO are moved by DMA into result array.

 ADC channel S10 is connected to board's potentiometer, and converted value is
 used to dim board's LED.


 ------------------------------------------------------------------------------
* Test HW: S32K3X4EVB-Q172
* MCU: S32K344
* Compiler: S32DS3.5
* SDK release: RTD 3.0.0
* Debugger: Lauterbach
* Target: internal_FLASH
********************************************************************************

附件
评论

Thank you for this example. But how do you decide what should be the watermark value?


Hi @PetrS ,

 

Is there a way to use DMA without Autosar (without enabling RM CDD)?

%3CLINGO-SUB%20id%3D%22lingo-sub-1732444%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%3E%E7%A4%BA%E4%BE%8B%20S32K344%20PIT%20BTCU%20%E5%B9%B6%E8%A1%8C%20ADC%20FIFO%20DMA%20DS3.5%20RTD300%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-1732444%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%3E%0A%3CP%3E*******************************************************************************%3CBR%20%2F%3E%3CBR%20%2F%3E%26nbsp%3B%E6%AD%A4%E6%BC%94%E7%A4%BA%E5%BA%94%E7%94%A8%E7%A8%8B%E5%BA%8F%E7%9A%84%E7%9B%AE%E7%9A%84%E6%98%AF%E5%B1%95%E7%A4%BA%20%3CBR%20%2F%3ES32K3xx%20MCU%20%E7%9A%84%20ADC_SAR%20%E5%92%8C%20%26nbsp%3BBCTU%20IP%20%E9%A9%B1%E5%8A%A8%E7%A8%8B%E5%BA%8F%E7%9A%84%E7%94%A8%E6%B3%95%E3%80%82%3CBR%20%2F%3E%3CBR%20%2F%3E%26nbsp%3B%E8%AF%A5%E7%A4%BA%E4%BE%8B%E4%BD%BF%E7%94%A8%20PIT0%20%E8%A7%A6%E5%8F%91%E5%99%A8%E8%A7%A6%E5%8F%91%20BCTU%20%E8%BD%AC%E6%8D%A2%E5%88%97%E8%A1%A8%EF%BC%8C%3CBR%20%2F%3E%E5%AF%B9%20ADC0%2FADC1%20%E6%89%A7%E8%A1%8C%E5%B9%B6%E8%A1%8C%E8%BD%AC%E6%8D%A2%E3%80%82%E4%B8%89%E4%B8%AA%20ADC%20%E9%80%9A%E9%81%93%3CBR%20%2F%3E%26nbsp%3B%E5%9C%A8%E6%AF%8F%E4%B8%AA%20ADC%20%E4%B8%8A%E9%80%89%E6%8B%A9%E8%BF%9B%E8%A1%8C%E8%BD%AC%E6%8D%A2%EF%BC%9A%3CBR%20%2F%3EADC0%EF%BC%9AS8%EF%BC%8CP0%EF%BC%8CS8%3CBR%20%2F%3E%20%26nbsp%3BADC1%EF%BC%9AS10%E3%80%81S13%E3%80%81S17%3CBR%20%2F%3E%26nbsp%3B%E6%9D%A5%E8%87%AA%20BCTU%20FIFO%20%E7%9A%84%E8%BD%AC%E6%8D%A2%E7%BB%93%E6%9E%9C%E9%80%9A%E8%BF%87%20DMA%20%E7%A7%BB%E5%8A%A8%E5%88%B0%E7%BB%93%E6%9E%9C%E6%95%B0%E7%BB%84%E4%B8%AD%E3%80%82%3CBR%20%2F%3E%3CBR%20%2F%3E%26nbsp%3BADC%E9%80%9A%E9%81%93S10%E6%8E%A5%E6%9D%BF%E5%AD%90%E7%94%B5%E4%BD%8D%E5%99%A8%EF%BC%8C%E8%BD%AC%E6%8D%A2%E5%80%BC%E4%B8%BA%3CBR%20%2F%3E%26nbsp%3B%E7%94%A8%E4%BA%8E%E8%B0%83%E6%9A%97%E7%94%B5%E8%B7%AF%E6%9D%BF%E7%9A%84%20LED%E3%80%82%3CBR%20%2F%3E%3CBR%20%2F%3E%3CBR%20%2F%3E%26nbsp%3B%20------------------------------------------------------------------------------%3CBR%20%2F%3E%20*%E6%B5%8B%E8%AF%95%E7%A1%AC%E4%BB%B6%EF%BC%9AS32K3X4EVB-Q172%3CBR%20%2F%3E%20*%E5%8D%95%E7%89%87%E6%9C%BA%EF%BC%9AS32K344%3CBR%20%2F%3E%20*%E7%BC%96%E8%AF%91%E5%99%A8%EF%BC%9AS32DS3.5%3CBR%20%2F%3E*%20SDK%20%E5%8F%91%E5%B8%83%EF%BC%9ARTD%203.0.0%3CBR%20%2F%3E*%20%E8%B0%83%E8%AF%95%E5%99%A8%EF%BC%9ALauterbach%3CBR%20%2F%3E*%20%E7%9B%AE%E6%A0%87%EF%BC%9Ainternal_FLASH%3CBR%20%2F%3E********************************************************************************%3C%2FP%3E%0A%3C%2FLINGO-BODY%3E%3CLINGO-SUB%20id%3D%22lingo-sub-1831954%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%3E%E5%9B%9E%E5%A4%8D%EF%BC%9A%E7%A4%BA%E4%BE%8B%20S32K344%20PIT%20BTCU%20%E5%B9%B6%E8%A1%8C%20ADC%20FIFO%20DMA%20DS3.5%20RTD300%3C%2FLINGO-SUB%3E%3CLINGO-BODY%20id%3D%22lingo-body-1831954%22%20slang%3D%22en-US%22%20mode%3D%22CREATE%22%3E%3CP%3E%E6%84%9F%E8%B0%A2%E6%82%A8%E6%8F%90%E4%BE%9B%E8%BF%99%E4%B8%AA%E7%A4%BA%E4%BE%8B%E3%80%82%E4%B8%8D%E8%BF%87%EF%BC%8C%E6%82%A8%E6%98%AF%E5%A6%82%E4%BD%95%E7%A1%AE%E5%AE%9A%20watermark%20%E5%80%BC%E5%BA%94%E8%AF%A5%E8%AE%BE%E7%BD%AE%E4%B8%BA%E5%A4%9A%E5%B0%91%E7%9A%84%E5%91%A2%EF%BC%9F%3C%2FP%3E%3C%2FLINGO-BODY%3E
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最后更新:
‎10-02-2023 12:11 AM
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