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feat(dma): advanced dma malloc helper

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This commit is contained in:
Armando
2024-01-24 13:28:15 +08:00
committed by Gao Xu
parent 9c846916fa
commit f0518b3c16
27 changed files with 672 additions and 130 deletions
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14
examples/peripherals/lcd/i80_controller/main/i80_controller_example_main.c
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@@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2021-2023 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2021-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: CC0-1.0
*/
@@ -447,12 +447,16 @@ void app_main(void)
// it's recommended to choose the size of the draw buffer(s) to be at least 1/10 screen sized
lv_color_t *buf1 = NULL;
lv_color_t *buf2 = NULL;
uint32_t malloc_flags = 0;
esp_dma_mem_info_t dma_mem_info = {
.dma_alignment = 4,
#if CONFIG_EXAMPLE_LCD_I80_COLOR_IN_PSRAM
malloc_flags |= ESP_DMA_MALLOC_FLAG_PSRAM;
.heap_caps = MALLOC_CAP_SPIRAM,
#else
.heap_caps = MALLOC_CAP_DMA | MALLOC_CAP_INTERNAL,
#endif // CONFIG_EXAMPLE_LCD_I80_COLOR_IN_PSRAM
ESP_ERROR_CHECK(esp_dma_malloc(EXAMPLE_LCD_H_RES * 100 * sizeof(lv_color_t), malloc_flags, (void *)&buf1, NULL));
ESP_ERROR_CHECK(esp_dma_malloc(EXAMPLE_LCD_H_RES * 100 * sizeof(lv_color_t), malloc_flags, (void *)&buf2, NULL));
};
ESP_ERROR_CHECK(esp_dma_capable_malloc(EXAMPLE_LCD_H_RES * 100 * sizeof(lv_color_t), &dma_mem_info, (void *)&buf1, NULL));
ESP_ERROR_CHECK(esp_dma_capable_malloc(EXAMPLE_LCD_H_RES * 100 * sizeof(lv_color_t), &dma_mem_info, (void *)&buf2, NULL));
assert(buf1);
assert(buf2);
ESP_LOGI(TAG, "buf1@%p, buf2@%p", buf1, buf2);