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lcd: i80 bus can transfer PSRAM buffer

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Closes https://github.com/espressif/esp-idf/issues/8085
This commit is contained in:
morris
2021-12-28 15:30:22 +08:00
parent fec205554f
commit 070dc53e0b
2 changed files with 25 additions and 3 deletions
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4
components/esp_lcd/include/esp_lcd_panel_io.h
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2021 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@@ -151,6 +151,8 @@ typedef struct {
int data_gpio_nums[SOC_LCD_I80_BUS_WIDTH]; /*!< GPIOs used for data lines */
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 */
size_t psram_trans_align; /*!< DMA transfer alignment for data allocated from PSRAM */
size_t sram_trans_align; /*!< DMA transfer alignment for data allocated from SRAM */
} esp_lcd_i80_bus_config_t;
/**