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lcd: support i80 LCD on esp32/s2/s3

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This commit is contained in:
morris
2021-08-04 20:11:31 +08:00
parent 3bcd9278fa
commit 6fdc5877cd
28 changed files with 1717 additions and 228 deletions
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20
components/esp_lcd/include/esp_lcd_panel_io.h
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@@ -28,14 +28,13 @@ typedef struct esp_lcd_i80_bus_t *esp_lcd_i80_bus_handle_t; /*!< Type of LCD i
*
* @param[in] io LCD panel IO handle, which is created by other factory API like `esp_lcd_new_panel_io_spi()`
* @param[in] lcd_cmd The specific LCD command
* @param[in] lcd_cmd_bits Length of LCD command, in bits (e.g. 8 bits or 16 bits)
* @param[in] param Buffer that holds the command specific parameters, set to NULL if no parameter is needed for the command
* @param[in] param_size Size of `param` in memory, in bytes, set to zero if no parameter is needed for the command
* @return
* - ESP_ERR_INVALID_ARG if parameter is invalid
* - ESP_OK on success
*/
esp_err_t esp_lcd_panel_io_tx_param(esp_lcd_panel_io_handle_t io, int lcd_cmd, int lcd_cmd_bits, const void *param, size_t param_size);
esp_err_t esp_lcd_panel_io_tx_param(esp_lcd_panel_io_handle_t io, int lcd_cmd, const void *param, size_t param_size);
/**
* @brief Transmit LCD RGB data
@@ -47,14 +46,13 @@ esp_err_t esp_lcd_panel_io_tx_param(esp_lcd_panel_io_handle_t io, int lcd_cmd, i
*
* @param[in] io LCD panel IO handle, which is created by factory API like `esp_lcd_new_panel_io_spi()`
* @param[in] lcd_cmd The specific LCD command
* @param[in] lcd_cmd_bits Length of LCD command, in bits (e.g. 8 bits or 16 bits)
* @param[in] color Buffer that holds the RGB color data
* @param[in] color_size Size of `color` in memory, in bytes
* @return
* - ESP_ERR_INVALID_ARG if parameter is invalid
* - ESP_OK on success
*/
esp_err_t esp_lcd_panel_io_tx_color(esp_lcd_panel_io_handle_t io, int lcd_cmd, int lcd_cmd_bits, const void *color, size_t color_size);
esp_err_t esp_lcd_panel_io_tx_color(esp_lcd_panel_io_handle_t io, int lcd_cmd, const void *color, size_t color_size);
/**
* @brief Destory LCD panel IO handle (deinitialize panel and free all corresponding resource)
@@ -76,7 +74,9 @@ typedef struct {
unsigned int pclk_hz; /*!< Frequency of pixel clock */
size_t trans_queue_depth; /*!< Size of internal transaction queue */
bool (*on_color_trans_done)(esp_lcd_panel_io_handle_t panel_io, void *user_data, void *event_data); /*!< Callback, invoked when color data transfer has finished */
void *user_data; /*!< User private data, passed directly to on_trans_frame_done's user_data */
void *user_data; /*!< User private data, passed directly to on_trans_frame_done's user_data */
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 */
@@ -102,6 +102,8 @@ typedef struct {
void *user_data; /*!< User private data, passed directly to on_trans_frame_done's user_data */
size_t control_phase_bytes; /*!< I2C LCD panel will encode control information (e.g. D/C seclection) into control phase, in several bytes */
unsigned int dc_bit_offset; /*!< Offset of the D/C selection bit in control phase */
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 */
} flags;
@@ -128,7 +130,7 @@ typedef struct {
int dc_gpio_num; /*!< GPIO used for D/C line */
int wr_gpio_num; /*!< GPIO used for WR line */
int data_gpio_nums[SOC_LCD_I80_BUS_WIDTH]; /*!< GPIOs used for data lines */
size_t data_width; /*!< Number of data lines, 8 or 16 */
size_t bus_width; /*!< Number of data lines, 8 or 16 */
size_t max_transfer_bytes; /*!< Maximum transfer size, this determines the length of internal DMA link */
} esp_lcd_i80_bus_config_t;
@@ -164,7 +166,9 @@ typedef struct {
unsigned int pclk_hz; /*!< Frequency of pixel clock */
size_t trans_queue_depth; /*!< Transaction queue size, larger queue, higher throughput */
bool (*on_color_trans_done)(esp_lcd_panel_io_handle_t panel_io, void *user_data, void *event_data); /*!< Callback, invoked when color data was tranferred done */
void *user_data; /*!< User private data, passed directly to on_trans_done's user_data */
void *user_data; /*!< User private data, passed directly to on_trans_done's user_data */
int lcd_cmd_bits; /*!< Bit-width of LCD command */
int lcd_param_bits; /*!< Bit-width of LCD parameter */
struct {
unsigned int dc_idle_level: 1; /*!< Level of DC line in IDLE phase */
unsigned int dc_cmd_level: 1; /*!< Level of DC line in CMD phase */
@@ -172,7 +176,7 @@ typedef struct {
unsigned int dc_data_level: 1; /*!< Level of DC line in DATA phase */
} dc_levels; /*!< Each i80 device might have its own D/C control logic */
struct {
unsigned int invert_cs: 1; /*!< Whether to invert the CS line */
unsigned int cs_active_high: 1; /*!< If set, a high level of CS line will select the device, otherwise, CS line is low level active */
unsigned int reverse_color_bits: 1; /*!< Reverse the data bits, D[N:0] -> D[0:N] */
unsigned int swap_color_bytes: 1; /*!< Swap adjacent two color bytes */
unsigned int pclk_active_neg: 1; /*!< The display will write data lines when there's a falling edge on WR signal (a.k.a the PCLK) */