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feat(spi_lcd): control DC level for cmd, param, color phase separately

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Closes https://github.com/espressif/esp-idf/issues/10635
Merges https://github.com/espressif/esp-idf/pull/12908
This commit is contained in:
Kit Sczudlo
2024-01-01 09:00:24 -08:00
committed by morris
parent b55b661e6e
commit c9c7cfcfc7
2 changed files with 17 additions and 11 deletions
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8
components/esp_lcd/include/esp_lcd_panel_io.h
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2021-2023 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2021-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -137,10 +137,12 @@ typedef struct {
int lcd_cmd_bits; /*!< Bit-width of LCD command */
int lcd_param_bits; /*!< Bit-width of LCD parameter */
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 dc_high_on_cmd: 1; /*!< If enabled, DC level = 1 indicates command transfer */
unsigned int dc_low_on_data: 1; /*!< If enabled, DC level = 0 indicates color data transfer */
unsigned int dc_low_on_param: 1; /*!< If enabled, DC level = 0 indicates parameter transfer */
unsigned int octal_mode: 1; /*!< transmit with octal mode (8 data lines), this mode is used to simulate Intel 8080 timing */
unsigned int quad_mode: 1; /*!< transmit with quad mode (4 data lines), this mode is useful when transmitting LCD parameters (Only use one line for command) */
unsigned int sio_mode: 1; /*!< Read and write through a single data line (MOSI) */
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 */