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Hello Michael, Thanks for your reply. Quote from SEGGER - Michael: “Are you using the iMXRT1176_M7_MIMXRT1170_EVK BSP from the embOS shipment, and are you calling dmaspi_example() from a task? ” Yes i use the iMXRT1176_M4_MIMXRT1170_EVK bsp. Yes i call the function in a task. We have 7 tasks in our project with different priorities. Quote from SEGGER - Michael: “If so, could you please try to call dmaspi_example() from the main() routine without calling any embOS functions and check if that work…
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1. Which embOS do you use? embOS 5.10.1.0. with IAR workbench 8.50. 2. Which CPU and eval board do you use? NXP RT1176 with MxRT1170-EVK. NXP SDK2.9 Hello, I post here because i have a problem with the SPI-DMA associated with embOS in my microcontroller. I use the RT1176 on the MxRT1170-evk. I explain : i start with the example : edma_b2b_transfer in master mode without OS => it works fine on the microcontroller, i can see my SPI datas on my pins with a logic analyzer. I copy all the file "lpspi…