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esp_lcd: support sio mode for spi LCD

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This commit is contained in:
Liu Zhongwei 2022-11-14 16:33:36 +08:00 committed by morris
parent 4c3c23562c
commit 313700e285
2 changed files with 2 additions and 0 deletions
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1
components/esp_lcd/include/esp_lcd_panel_io.h
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@ -116,6 +116,7 @@ typedef struct {
struct {
unsigned int dc_low_on_data: 1; /*!< If this flag is enabled, DC line = 0 means transfer data, DC line = 1 means transfer command; vice versa */
unsigned int octal_mode: 1; /*!< transmit with octal mode (8 data lines), this mode is used to simulate Intel 8080 timing */
unsigned int sio_mode: 1; /*!< Read and write through a single data line (MOSI) */
unsigned int lsb_first: 1; /*!< transmit LSB bit first */
unsigned int cs_high_active: 1; /*!< CS line is high active */
} flags; /*!< Extra flags to fine-tune the SPI device */

1
components/esp_lcd/src/esp_lcd_panel_io_spi.c
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@ -72,6 +72,7 @@ esp_err_t esp_lcd_new_panel_io_spi(esp_lcd_spi_bus_handle_t bus, const esp_lcd_p
spi_device_interface_config_t devcfg = {
.flags = SPI_DEVICE_HALFDUPLEX |
(io_config->flags.lsb_first ? SPI_DEVICE_TXBIT_LSBFIRST : 0) |
(io_config->flags.sio_mode ? SPI_DEVICE_3WIRE : 0) |
(io_config->flags.cs_high_active ? SPI_DEVICE_POSITIVE_CS : 0),
.clock_speed_hz = io_config->pclk_hz,
.mode = io_config->spi_mode,