Hello,
I want to use LPSPI5 with DMA to automatic send and receive data.
In the S32Kxx_DMAMUX_map.xlsx, LPSPI5 TX/RX are maped to DMAMUX1.
From S32K3xxRM.pdf chapter 13.1.1, DMAMUX_1 channels are mapped to eDMA_TCD 6-12.
According to above, I try to configure MCAL with EBTresos and RTD package SW32K3_RTD_4.4_2.0.2.
I find that in the MclMcl config/DMA logic channel/Logic channel configuration, DMAMUX_1 source is unconfigurable when the selection of DMA hardware channle is lower than 16. When DMA hardware channle is lower than 16, only DMAMUX_0 is configurable. According to the reference manucal, DMAMUX_1 source shall be configurable when DMA hardware channel is 6-12.
I looked into the source code, in the intializtion code, the DMAMUX intance is calculated by divide TCD channel with 16 too.
Is there something I missed in the reference manual or I misunderstand, why the configuration in EBTresos differs from description in reference charpter 13.1.1?
As per S32K3XXRM_Rev_5, chapter 13 DMAMUX:
In S32K344 has 32 eDMA channels, so DMAMUX1 is mapped to TCD16-31
