| # Copyright (c) 2018-2019 Jan Van Winkel <jan.van_winkel@dxplore.eu> |
| # Copyright (c) 2020 Teslabs Engineering S.L. |
| # SPDX-License-Identifier: Apache-2.0 |
| |
| menu "Memory manager settings" |
| |
| config LVGL_BITS_PER_PIXEL |
| int "Bits per pixel" |
| default 32 |
| range 1 32 |
| depends on LVGL_BUFFER_ALLOC_STATIC |
| help |
| Number of bits per pixel. |
| |
| choice |
| prompt "Memory pool" |
| default LVGL_MEM_POOL_HEAP_KERNEL |
| help |
| Memory pool to use for lvgl allocated objects |
| |
| config LVGL_MEM_POOL_HEAP_KERNEL |
| bool "Kernel Heap" |
| depends on HEAP_MEM_POOL_SIZE != 0 |
| help |
| Use k_malloc and k_free to allocate objects on the kernel heap |
| |
| config LVGL_MEM_POOL_HEAP_LIB_C |
| bool "C library Heap" |
| depends on !MINIMAL_LIBC || (MINIMAL_LIBC_MALLOC_ARENA_SIZE != 0) |
| help |
| Use C library malloc and free to allocate objects on the C library heap |
| |
| config LVGL_MEM_POOL_KERNEL |
| bool "Kernel space lvgl pool" |
| help |
| Use a dedicated memory pool in kernel space to allocate lvgl objects |
| on |
| |
| config LVGL_MEM_POOL_USER |
| bool "User space lvgl pool" |
| help |
| Use a dedicated memory pool in user space to allocate lvgl objects on |
| |
| endchoice |
| |
| if LVGL_MEM_POOL_KERNEL || LVGL_MEM_POOL_USER |
| |
| config LVGL_MEM_POOL_MIN_SIZE |
| int "Minimum memory pool block size" |
| default 16 |
| help |
| Size of the smallest block in the memory pool in bytes |
| |
| config LVGL_MEM_POOL_MAX_SIZE |
| int "Maximum memory pool block size" |
| default 2048 |
| help |
| Size of the largest block in the memory pool in bytes |
| |
| config LVGL_MEM_POOL_NUMBER_BLOCKS |
| int "Number of max size blocks in memory pool" |
| default 1 |
| help |
| Number of maximum sized blocks in the memory pool. |
| |
| endif |
| |
| config LVGL_VDB_SIZE |
| int "Rendering buffer size" |
| default 10 |
| range 1 100 |
| help |
| Size of the buffer used for rendering screen content as a percentage |
| of total display size. |
| |
| config LVGL_DOUBLE_VDB |
| bool "Use two rendering buffers" |
| help |
| Use two buffers to render and flush data in parallel |
| |
| choice |
| prompt "Rendering Buffer Allocation" |
| default LVGL_BUFFER_ALLOC_STATIC |
| help |
| Type of allocation that should be used for allocating rendering buffers |
| |
| config LVGL_BUFFER_ALLOC_STATIC |
| bool "Static" |
| help |
| Rendering buffers are statically allocated based on the following |
| configuration parameters: |
| * Horizontal screen resolution |
| * Vertical screen resolution |
| * Rendering buffer size |
| * Bytes per pixel |
| |
| config LVGL_BUFFER_ALLOC_DYNAMIC |
| bool "Dynamic" |
| help |
| Rendering buffers are dynamically allocated based on the actual |
| display parameters |
| |
| endchoice |
| |
| endmenu |
