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Using the DMABurst feature to generate an abitrary waveform

Bertl
Associate

Hello forum!

I'm struggling to enable the burst feature described in the applicationnote from stm.

I'm using cube IDE and I configured timer1 along with DMA1 to generate a specific waveform.

Problem is, that after enabling the PWM via "HAL_TIM_PWM_START_DMA()",

the call to HAL_TIM_DMAburst_Multiwrite() failes with HAL_BUSY.

 

The initial values are set but the update does not work. Are there any experiences to use 

this feature using cubeIDE (Cubemx)?

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