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change(rgb_lcd): set DMA transfer burst size

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morris
2024-05-13 14:52:01 +08:00
parent b2ff20d94c
commit 5d844e57ed
6 changed files with 70 additions and 49 deletions
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7
components/esp_lcd/rgb/include/esp_lcd_panel_rgb.h
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@@ -132,8 +132,11 @@ typedef struct {
size_t num_fbs; /*!< Number of screen-sized frame buffers that allocated by the driver. By default (set to either 0 or 1) only one frame buffer will be used. Maximum number of buffers are 3 */
size_t bounce_buffer_size_px; /*!< If it's non-zero, the driver allocates two DRAM bounce buffers for DMA use.
DMA fetching from DRAM bounce buffer is much faster than PSRAM frame buffer. */
size_t sram_trans_align; /*!< Alignment of buffers (frame buffer or bounce buffer) that allocated in SRAM */
size_t psram_trans_align; /*!< Alignment of buffers (frame buffer) that allocated in PSRAM */
size_t sram_trans_align __attribute__((deprecated)); /*!< Alignment of buffers (frame buffer or bounce buffer) that allocated in SRAM */
union {
size_t psram_trans_align; /*!< Alignment of buffers (frame buffer) that allocated in PSRAM */
size_t dma_burst_size; /*!< DMA burst size, in bytes */
};
int hsync_gpio_num; /*!< GPIO used for HSYNC signal */
int vsync_gpio_num; /*!< GPIO used for VSYNC signal */
int de_gpio_num; /*!< GPIO used for DE signal, set to -1 if it's not used */