2024-07-22 02:45 PM - edited 2024-07-22 02:46 PM
Lines 19 and 26 are repeated. Mode is set to normal (0x0000) twice. The structure is already initialized to `={0};` it doesn't need to be overwritten once, let alone twice.
Initialized for STM32H563.
usart.c
/* GPDMA1_REQUEST_USART1_TX Init */
DMA_InitStruct.SrcAddress = 0x00000000U;
DMA_InitStruct.DestAddress = 0x00000000U;
DMA_InitStruct.Direction = LL_DMA_DIRECTION_MEMORY_TO_PERIPH;
DMA_InitStruct.BlkHWRequest = LL_DMA_HWREQUEST_SINGLEBURST;
DMA_InitStruct.DataAlignment = LL_DMA_DATA_ALIGN_ZEROPADD;
DMA_InitStruct.SrcBurstLength = 1;
DMA_InitStruct.DestBurstLength = 1;
DMA_InitStruct.SrcDataWidth = LL_DMA_SRC_DATAWIDTH_BYTE;
DMA_InitStruct.DestDataWidth = LL_DMA_DEST_DATAWIDTH_BYTE;
DMA_InitStruct.SrcIncMode = LL_DMA_SRC_INCREMENT;
DMA_InitStruct.DestIncMode = LL_DMA_DEST_FIXED;
DMA_InitStruct.Priority = LL_DMA_LOW_PRIORITY_MID_WEIGHT;
DMA_InitStruct.BlkDataLength = 0x00000000U;
DMA_InitStruct.Mode = LL_DMA_NORMAL;
DMA_InitStruct.TriggerMode = LL_DMA_TRIGM_BLK_TRANSFER;
DMA_InitStruct.TriggerPolarity = LL_DMA_TRIG_POLARITY_MASKED;
DMA_InitStruct.TriggerSelection = 0x00000000U;
DMA_InitStruct.Request = LL_GPDMA1_REQUEST_USART1_TX;
DMA_InitStruct.TransferEventMode = LL_DMA_TCEM_BLK_TRANSFER;
DMA_InitStruct.Mode = LL_DMA_NORMAL;
DMA_InitStruct.SrcAllocatedPort = LL_DMA_SRC_ALLOCATED_PORT1;
DMA_InitStruct.DestAllocatedPort = LL_DMA_DEST_ALLOCATED_PORT0;
DMA_InitStruct.LinkAllocatedPort = LL_DMA_LINK_ALLOCATED_PORT1;
DMA_InitStruct.LinkStepMode = LL_DMA_LSM_FULL_EXECUTION;
DMA_InitStruct.LinkedListBaseAddr = 0x00000000U;
DMA_InitStruct.LinkedListAddrOffset = 0x00000000U;
LL_DMA_Init(GPDMA1, LL_DMA_CHANNEL_1, &DMA_InitStruct);
Solved! Go to Solution.
2024-12-02 12:53 AM
Hello @MBC,
This issue is fixed in STM32CubeMX 6.13.0 version.
Thank you for your contribution.
Kaouthar
To give better visibility on the answered topics, please click on Accept as Solution on the reply which solved your issue or answered your question.
2024-08-05 07:21 AM
Hello @MBC ,
Thank you for bringing this issue to our attention.
I reported internally.
Internal ticket number: 188107(This is an internal tracking number and is not accessible or usable by customers).
Thank you for your contribution in STCommunity.
Kaouthar
To give better visibility on the answered topics, please click on Accept as Solution on the reply which solved your issue or answered your question.
2024-12-02 12:53 AM
Hello @MBC,
This issue is fixed in STM32CubeMX 6.13.0 version.
Thank you for your contribution.
Kaouthar
To give better visibility on the answered topics, please click on Accept as Solution on the reply which solved your issue or answered your question.