rcsim opened a new pull request, #16270:
URL: https://github.com/apache/nuttx/pull/16270
## Summary
This commit adds support for the LCD based on ST7735 controller on the
STM32F401RC-RS485 board and updates the board documentation accordingly.
## Impact
Is new feature added? Is existing feature changed? Yes, Added ST7735 support
to STM32F401RC-RS485.
Impact on user (will user need to adapt to change)? Yes, users will be able
to user ST7735 on STM32F401RC-RS485.
Impact on build (will build process change)? No
Impact on hardware (will arch(s) / board(s) / driver(s) change)? Yes,
ARM/STM32F401RC-RS485.
Impact on documentation (is update required / provided)? Yes,
STM32F401RC-RS485 was updated.
Impact on security (any sort of implications)? No.
Impact on compatibility (backward/forward/interoperability)? No
## Testing
I confirm that changes are verified on the local setup and work as intended:
Build Host(s): OS: Ubuntu 24.04, CPU: Intel i7-8850H, Compiler: GCC 13.3.0
Target(s): arch: arm, board: stm32f401rc-rs485, config: usbnsh
The test was done using following configurations:
CONFIG_DRIVERS_VIDEO=y
CONFIG_EXAMPLES_FB=y
CONFIG_LCD=y
CONFIG_LCD_FRAMEBUFFER=y
CONFIG_LCD_ST7735=y
CONFIG_SPI_CMDDATA=y
CONFIG_STM32_SPI1=y
CONFIG_VIDEO_FB=y
nsh> uname -a
NuttX 12.9.0 c12aa5663d-dirty Apr 26 2025 11:05:05 arm stm32f401rc-rs485
nsh> fb
VideoInfo:
fmt: 11
xres: 160
yres: 128
nplanes: 1
PlaneInfo (plane 0):
fbmem: 0x20003598
fblen: 40960
stride: 320
display: 0
bpp: 16
Mapped FB: 0x20003598
0: ( 0, 0) (160,128)
1: ( 14, 11) (132,106)
2: ( 28, 22) (104, 84)
3: ( 42, 33) ( 76, 62)
4: ( 56, 44) ( 48, 40)
5: ( 70, 55) ( 20, 18)
Test finished
nsh>
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