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docs(spi_lcd): update supported spi mode description

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Closes https://github.com/espressif/esp-idf/issues/14605
This commit is contained in:
Chen Jichang 2024-09-19 14:15:15 +08:00
parent 7e2a7bd5b2
commit 5bef0f5664
2 changed files with 8 additions and 4 deletions
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6
docs/en/api-reference/peripherals/lcd/spi_lcd.rst
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@ -5,14 +5,16 @@ SPI Interfaced LCD
#. Create an SPI bus. Please refer to :doc:`SPI Master API doc </api-reference/peripherals/spi_master>` for more details.
Currently the driver supports SPI, Quad SPI and Octal SPI (simulate Intel 8080 timing) modes.
.. code-block:: c
spi_bus_config_t buscfg = {
.sclk_io_num = EXAMPLE_PIN_NUM_SCLK,
.mosi_io_num = EXAMPLE_PIN_NUM_MOSI,
.miso_io_num = EXAMPLE_PIN_NUM_MISO,
.quadwp_io_num = -1, // Quad SPI LCD driver is not yet supported
.quadhd_io_num = -1, // Quad SPI LCD driver is not yet supported
.quadwp_io_num = -1,
.quadhd_io_num = -1,
.max_transfer_sz = EXAMPLE_LCD_H_RES * 80 * sizeof(uint16_t), // transfer 80 lines of pixels (assume pixel is RGB565) at most in one SPI transaction
};
ESP_ERROR_CHECK(spi_bus_initialize(LCD_HOST, &buscfg, SPI_DMA_CH_AUTO)); // Enable the DMA feature

6
docs/zh_CN/api-reference/peripherals/lcd/spi_lcd.rst
View File

@ -5,14 +5,16 @@ SPI 接口的 LCD
#. 创建 SPI 总线。详情请参阅 :doc:`SPI 主机 API 文档 </api-reference/peripherals/spi_master>`。
目前驱动支持 SPI， Quad SPI 和 Octal SPI（模拟 Intel 8080 时序）模式。
.. code-block:: c
spi_bus_config_t buscfg = {
.sclk_io_num = EXAMPLE_PIN_NUM_SCLK,
.mosi_io_num = EXAMPLE_PIN_NUM_MOSI,
.miso_io_num = EXAMPLE_PIN_NUM_MISO,
.quadwp_io_num = -1, // 目前不支持 Quad SPI LCD 驱动
.quadhd_io_num = -1, // 目前不支持 Quad SPI LCD 驱动
.quadwp_io_num = -1,
.quadhd_io_num = -1,
.max_transfer_sz = EXAMPLE_LCD_H_RES * 80 * sizeof(uint16_t), // 单次最多可传输 80 行像素（假设像素格式为 RGB565）
};
ESP_ERROR_CHECK(spi_bus_initialize(LCD_HOST, &buscfg, SPI_DMA_CH_AUTO)); // 启用 DMA