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spi_lcd: don't support dc_as_cmd_phase

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The current SPI hardware can't support 9bit SPI data format very well
(i.e. inserting an extra bit before each data byte)

Closes https://github.com/espressif/esp-idf/pull/8644
This commit is contained in:
morris
2022-06-27 15:09:20 +08:00
parent 602e154c12
commit 489d14cf55
3 changed files with 4 additions and 18 deletions
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components/esp_lcd/include/esp_lcd_panel_io.h
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@@ -114,7 +114,6 @@ typedef struct {
int lcd_cmd_bits; /*!< Bit-width of LCD command */
int lcd_param_bits; /*!< Bit-width of LCD parameter */
struct {
unsigned int dc_as_cmd_phase: 1; /*!< D/C line value is encoded into SPI transaction command phase */
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 lsb_first: 1; /*!< transmit LSB bit first */