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spi_lcd: allow dc gpio set to -1

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Closes https://github.com/espressif/esp-idf/issues/9881
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morris
2022-10-10 14:57:17 +08:00
parent 3a5bc50c2f
commit 7d3c9e9f3e
2 changed files with 1 additions and 4 deletions
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2
components/esp_lcd/include/esp_lcd_panel_io.h
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@@ -105,7 +105,7 @@ typedef bool (*esp_lcd_panel_io_color_trans_done_cb_t)(esp_lcd_panel_io_handle_t
*/
typedef struct {
int cs_gpio_num; /*!< GPIO used for CS line */
int dc_gpio_num; /*!< GPIO used to select the D/C line, set this to -1 if the D/C line not controlled by manually pulling high/low GPIO */
int dc_gpio_num; /*!< GPIO used to select the D/C line, set this to -1 if the D/C line is not used */
int spi_mode; /*!< Traditional SPI mode (0~3) */
unsigned int pclk_hz; /*!< Frequency of pixel clock */
size_t trans_queue_depth; /*!< Size of internal transaction queue */