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rgb_lcd: unify the way to register event callbacks

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morris
2022-07-06 16:34:14 +08:00
parent 3069759486
commit ada0ba7717
3 changed files with 56 additions and 19 deletions
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28
components/esp_lcd/src/esp_lcd_rgb_panel.c
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@@ -83,14 +83,13 @@ struct esp_rgb_panel_t {
uint32_t src_clk_hz; // Peripheral source clock resolution
esp_lcd_rgb_timing_t timings; // RGB timing parameters (e.g. pclk, sync pulse, porch width)
gdma_channel_handle_t dma_chan; // DMA channel handle
esp_lcd_rgb_panel_frame_trans_done_cb_t on_frame_trans_done; // Callback, invoked after frame trans done
int bounce_buffer_size_bytes; //If not-zero, the driver uses a bounce buffer in internal memory to DMA from. It's in bytes here.
uint8_t *bounce_buffer[2]; //Pointer to the bounce buffers
int bounce_buf_frame_start; //If frame restarts, which bb has the initial frame data?
esp_lcd_rgb_panel_bounce_buf_fill_cb_t on_bounce_empty; // If we use a bounce buffer, this function gets called to fill it rather than copying from the framebuffer
void *bounce_buffer_cb_user_ctx; //Callback data pointer
void *user_ctx; // Reserved user's data of callback functions
int bounce_pos_px; // Position in whatever source material is used for the bounce buffer, in pixels
esp_lcd_rgb_panel_vsync_cb_t on_vsync; // VSYNC event callback
esp_lcd_rgb_panel_bounce_buf_fill_cb_t on_bounce_empty; // callback used to fill a bounce buffer rather than copying from the frame buffer
void *user_ctx; // Reserved user's data of callback functions
int x_gap; // Extra gap in x coordinate, it's used when calculate the flush window
int y_gap; // Extra gap in y coordinate, it's used when calculate the flush window
portMUX_TYPE spinlock; // to protect panel specific resource from concurrent access (e.g. between task and ISR)
@@ -303,6 +302,27 @@ err:
}
esp_err_t esp_rgb_panel_set_pclk(esp_lcd_panel_handle_t panel, uint32_t freq_hz)
esp_err_t esp_lcd_rgb_panel_register_event_callbacks(esp_lcd_panel_handle_t panel, const esp_lcd_rgb_panel_event_callbacks_t *callbacks, void *user_ctx)
{
ESP_RETURN_ON_FALSE(panel && callbacks, ESP_ERR_INVALID_ARG, TAG, "invalid argument");
esp_rgb_panel_t *rgb_panel = __containerof(panel, esp_rgb_panel_t, base);
#if CONFIG_LCD_RGB_ISR_IRAM_SAFE
if (callbacks->on_vsync) {
ESP_RETURN_ON_FALSE(esp_ptr_in_iram(callbacks->on_vsync), ESP_ERR_INVALID_ARG, TAG, "on_vsync callback not in IRAM");
}
if (callbacks->on_bounce_empty) {
ESP_RETURN_ON_FALSE(esp_ptr_in_iram(callbacks->on_bounce_empty), ESP_ERR_INVALID_ARG, TAG, "on_bounce_empty callback not in IRAM");
}
if (user_ctx) {
ESP_RETURN_ON_FALSE(esp_ptr_internal(user_ctx), ESP_ERR_INVALID_ARG, TAG, "user context not in internal RAM");
}
#endif // CONFIG_LCD_RGB_ISR_IRAM_SAFE
rgb_panel->on_vsync = callbacks->on_vsync;
rgb_panel->on_bounce_empty = callbacks->on_bounce_empty;
rgb_panel->user_ctx = user_ctx;
return ESP_OK;
}
{
ESP_RETURN_ON_FALSE(panel, ESP_ERR_INVALID_ARG, TAG, "invalid argument");
esp_rgb_panel_t *rgb_panel = __containerof(panel, esp_rgb_panel_t, base);