About Hzhan.2

Hzhan.2 · 2021-03-23

Hello,As mentioned in Errata sheet of STM32L4xxx, the auto polling mode is not functional. This mode allows an automatic polling fully managed by hardware on the memory status register. The workout in the Errata sheet is to use memory-mapped mode, bu...

Hzhan.2 · 2021-03-18

Hello everyone,I made a custom board for our design, a STM32L4R9VI and an ospi memory MX25UM51245G are integrated on this board. There is a MX25LM51245G on STM32L4R9I-disco board, but it is not in stock, so I chose this 1.8V version MX25UM51245G. The...

Hzhan.2 · 2020-12-01

Hello,I am developing on STM32L4R9I-Disco, and I want to display ARGB8888 images on the round DSI display under the command of UART. For example, I send hex 'b2' to this board by uart, one image is displayed. I have succeeded some parts, but the ima...

Hzhan.2 · 2020-12-04

Here is the solution: define the output of DAM2D as RGB888 or RGB565, not ARGB8888.

Hzhan.2 · 2020-12-02

The image is tore into 2 parts, and it is inverted (the black in the photo)768 - xsize: I use GFXMMU, it is the same with the example DSI_CmdMode_SingleBuffer in the firmware package. Line offset = virtual buffer line width in pixels - image width in...

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How to use OSPI with STM32L4R9 on custom board?

Auto-polling mode with octal memories is not functional.

STM32L4R9I-DISCO problem with ARGB8888 image

Re: STM32L4R9I-DISCO problem with ARGB8888 image

Re: STM32L4R9I-DISCO problem with ARGB8888 image