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Working with a display using DSI in a video mode

STolm.1
Associate

Good day!

I try to work with 1.3 TFT LCD 320RGB x 320 with ST7796DW driver using STM32L4R9ZG DSI in a video mode. I try to initialize the display using HAL_DSI_ShortWrite and HAL_DSI_LongWrite functions. But after only 3 commands (doesn't matter HAL_DSI_ShortWrite or HAL_DSI_LongWrite, registers and number of parameters) the 4th command returns HAL_TIMEOUT. Any ides what is the problem?

Thank You!

1 REPLY 1
MM..1
Chief III

Hi have you any solution?