Add/esp32 spi sd - #626
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- Fix SPI example pin defaults: CS=10->21, DC=13->40 for DNESP32S3 - Add XL9555 IO expander init (LCD power, reset, backlight) - Add menuconfig options for IO expander pins - Split pixel fill into DMA-sized chunks (<4092) - Fix tdd_display_spi.c missing psram_mode initializer
- DNESP32S3: pinmux IO11/12/13/2 for SPI SD, tkl_fs_mount handles all bus init - WAVESHARE: pinmux IO1/2/3, CS via TCA9554 EXIO7, SD and LCD use separate SPI hosts (SPI3 vs SPI2) - Clean board code: no tkl_spi_init needed, only pinmux + fs mount
… and update board configurations for SD card and display initialization. Refactor SPI example to enhance clarity and functionality.
…ister_hardware and refactor example_spi.c for improved readability and structure.
…nts and maintaining consistent formatting throughout the file.
yingtao450
approved these changes
Jul 3, 2026
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