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Merge branch 'feat/add_cs_timing_parameters_in_spi_lcd' into 'master'

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feat(spi_lcd): add spi cs timing parameters

Closes IDFGH-12003

See merge request espressif/esp-idf!31836
This commit is contained in:
Chen Ji Chang
2024-07-03 11:35:00 +08:00
parent 6cfd5967e0 8d0990806c
commit af9d107f24
4 changed files with 10 additions and 0 deletions
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components/esp_lcd/include/esp_lcd_io_spi.h
+2
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@@ -29,6 +29,8 @@ typedef struct {
void *user_ctx; /*!< User private data, passed directly to on_color_trans_done's user_ctx */
int lcd_cmd_bits; /*!< Bit-width of LCD command */
int lcd_param_bits; /*!< Bit-width of LCD parameter */
uint8_t cs_ena_pretrans; /*!< Amount of SPI bit-cycles the cs should be activated before the transmission (0-16) */
uint8_t cs_ena_posttrans; /*!< Amount of SPI bit-cycles the cs should stay active after the transmission (0-16) */
struct {
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 */
components/esp_lcd/spi/esp_lcd_panel_io_spi.c
+4
View File
@@ -50,6 +50,8 @@ typedef struct {
size_t num_trans_inflight; // Number of transactions that are undergoing (the descriptor not recycled yet)
int lcd_cmd_bits; // Bit width of LCD command
int lcd_param_bits; // Bit width of LCD parameter
uint8_t cs_ena_pretrans; // Amount of SPI bit-cycles the cs should be activated before the transmission (0-16)
uint8_t cs_ena_posttrans; // Amount of SPI bit-cycles the cs should stay active after the transmission (0-16)
struct {
unsigned int dc_cmd_level: 1; // Indicates the level of DC line when transferring command
unsigned int dc_data_level: 1; // Indicates the level of DC line when transferring color data
@@ -82,6 +84,8 @@ esp_err_t esp_lcd_new_panel_io_spi(esp_lcd_spi_bus_handle_t bus, const esp_lcd_p
.queue_size = io_config->trans_queue_depth,
.pre_cb = lcd_spi_pre_trans_cb, // pre-transaction callback, mainly control DC gpio level
.post_cb = lcd_spi_post_trans_color_cb, // post-transaction, where we invoke user registered "on_color_trans_done()"
.cs_ena_pretrans = io_config->cs_ena_pretrans,
.cs_ena_posttrans = io_config->cs_ena_posttrans,
};
ret = spi_bus_add_device((spi_host_device_t)bus, &devcfg, &spi_panel_io->spi_dev);
ESP_GOTO_ON_ERROR(ret, err, TAG, "adding spi device to bus failed");