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esp_lcd: Add function for register on color done callback.

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This commit is contained in:
Vilem Zavodny
2022-11-07 12:21:30 +01:00
parent 9d93585f8e
commit 747c5993a8
7 changed files with 117 additions and 13 deletions
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18
components/esp_lcd/src/esp_lcd_panel_io_spi.c
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@@ -32,6 +32,7 @@ static esp_err_t panel_io_spi_tx_color(esp_lcd_panel_io_t *io, int lcd_cmd, cons
static esp_err_t panel_io_spi_del(esp_lcd_panel_io_t *io);
static void lcd_spi_pre_trans_cb(spi_transaction_t *trans);
static void lcd_spi_post_trans_color_cb(spi_transaction_t *trans);
static esp_err_t panel_io_spi_register_event_callbacks(esp_lcd_panel_io_handle_t io, const esp_lcd_panel_io_callbacks_t *cbs, void *user_ctx);
typedef struct {
spi_transaction_t base;
@@ -78,7 +79,7 @@ esp_err_t esp_lcd_new_panel_io_spi(esp_lcd_spi_bus_handle_t bus, const esp_lcd_p
.spics_io_num = io_config->cs_gpio_num,
.queue_size = io_config->trans_queue_depth,
.pre_cb = lcd_spi_pre_trans_cb, // pre-transaction callback, mainly control DC gpio level
.post_cb = io_config->on_color_trans_done ? lcd_spi_post_trans_color_cb : NULL, // post-transaction, where we invoke user registered "on_color_trans_done()"
.post_cb = lcd_spi_post_trans_color_cb, // post-transaction, where we invoke user registered "on_color_trans_done()"
};
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");
@@ -104,6 +105,7 @@ esp_err_t esp_lcd_new_panel_io_spi(esp_lcd_spi_bus_handle_t bus, const esp_lcd_p
spi_panel_io->base.tx_param = panel_io_spi_tx_param;
spi_panel_io->base.tx_color = panel_io_spi_tx_color;
spi_panel_io->base.del = panel_io_spi_del;
spi_panel_io->base.register_event_callbacks = panel_io_spi_register_event_callbacks;
*ret_io = &(spi_panel_io->base);
ESP_LOGD(TAG, "new spi lcd panel io @%p", spi_panel_io);
@@ -143,6 +145,20 @@ err:
return ret;
}
static esp_err_t panel_io_spi_register_event_callbacks(esp_lcd_panel_io_handle_t io, const esp_lcd_panel_io_callbacks_t *cbs, void *user_ctx)
{
esp_lcd_panel_io_spi_t *spi_panel_io = __containerof(io, esp_lcd_panel_io_spi_t, base);
if(spi_panel_io->on_color_trans_done != NULL) {
ESP_LOGW(TAG, "Callback on_color_trans_done was already set and now it was owerwritten!");
}
spi_panel_io->on_color_trans_done = cbs->on_color_trans_done;
spi_panel_io->user_ctx = user_ctx;
return ESP_OK;
}
static void spi_lcd_prepare_cmd_buffer(esp_lcd_panel_io_spi_t *panel_io, const void *cmd)
{
uint8_t *from = (uint8_t *)cmd;