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allow lto on nightly +lto = true +debug = true +codegen-units = 1 + diff --git a/fixed-link.x b/fixed-link.x new file mode 100644 index 0000000..b609e6d --- /dev/null +++ b/fixed-link.x @@ -0,0 +1,224 @@ +/* # Developer notes + +- Symbols that start with a double underscore (__) are considered "private" + +- Symbols that start with a single underscore (_) are considered "semi-public"; they can be + overridden in a user linker script, but should not be referred from user code (e.g. `extern "C" { + static mut __sbss }`). + +- `EXTERN` forces the linker to keep a symbol in the final binary. We use this to make sure a + symbol if not dropped if it appears in or near the front of the linker arguments and "it's not + needed" by any of the preceding objects (linker arguments) + +- `PROVIDE` is used to provide default values that can be overridden by a user linker script + +- On alignment: it's important for correctness that the VMA boundaries of both .bss and .data *and* + the LMA of .data are all 4-byte aligned. These alignments are assumed by the RAM initialization + routine. There's also a second benefit: 4-byte aligned boundaries means that you won't see + "Address (..) is out of bounds" in the disassembly produced by `objdump`. +*/ + +/* Provides information about the memory layout of the device */ +/* This will be provided by the user (see `memory.x`) or by a Board Support Crate */ +INCLUDE memory.x + +/* # Entry point = reset vector */ +ENTRY(Reset); +EXTERN(__RESET_VECTOR); /* depends on the `Reset` symbol */ + +/* # Exception vectors */ +/* This is effectively weak aliasing at the linker level */ +/* The user can override any of these aliases by defining the corresponding symbol themselves (cf. + the `exception!` macro) */ +EXTERN(__EXCEPTIONS); /* depends on all the these PROVIDED symbols */ + +EXTERN(DefaultHandler); + +PROVIDE(NonMaskableInt = DefaultHandler); +EXTERN(HardFaultTrampoline); +PROVIDE(MemoryManagement = DefaultHandler); +PROVIDE(BusFault = DefaultHandler); +PROVIDE(UsageFault = DefaultHandler); +PROVIDE(SecureFault = DefaultHandler); +PROVIDE(SVCall = DefaultHandler); +PROVIDE(DebugMonitor = DefaultHandler); +PROVIDE(PendSV = DefaultHandler); +PROVIDE(SysTick = DefaultHandler); + +PROVIDE(DefaultHandler = DefaultHandler_); +PROVIDE(HardFault = HardFault_); + +/* # Interrupt vectors */ +EXTERN(__INTERRUPTS); /* `static` variable similar to `__EXCEPTIONS` */ + +/* # Pre-initialization function */ +/* If the user overrides this using the `pre_init!` macro or by creating a `__pre_init` function, + then the function this points to will be called before the RAM is initialized. */ +PROVIDE(__pre_init = DefaultPreInit); + +/* # Sections */ +SECTIONS +{ + PROVIDE(_stack_start = ORIGIN(RAM) + LENGTH(RAM)); + + /* ## Sections in FLASH */ + /* ### Vector table */ + .vector_table ORIGIN(FLASH) : + { + /* Initial Stack Pointer (SP) value */ + LONG(_stack_start); + + /* Reset vector */ + KEEP(*(.vector_table.reset_vector)); /* this is the `__RESET_VECTOR` symbol */ + __reset_vector = .; + + /* Exceptions */ + KEEP(*(.vector_table.exceptions)); /* this is the `__EXCEPTIONS` symbol */ + __eexceptions = .; + + /* Device specific interrupts */ + KEEP(*(.vector_table.interrupts)); /* this is the `__INTERRUPTS` symbol */ + } > FLASH + + PROVIDE(_stext = ADDR(.vector_table) + SIZEOF(.vector_table)); + + /* ### .text */ + .text _stext : + { + *(.text .text.*); + *(.HardFaultTrampoline); + *(.HardFault.*); + . = ALIGN(4); + __etext = .; + } > FLASH + + /* ### .rodata */ + .rodata __etext : ALIGN(4) + { + *(.rodata .rodata.*); + + /* 4-byte align the end (VMA) of this section. + This is required by LLD to ensure the LMA of the following .data + section will have the correct alignment. */ + . = ALIGN(4); + __erodata = .; + } > FLASH + + /* ## Sections in RAM */ + /* ### .data */ + .data : AT(__erodata) ALIGN(4) + { + . = ALIGN(4); + __sdata = .; + *(.data .data.*); + . = ALIGN(4); /* 4-byte align the end (VMA) of this section */ + __edata = .; + } > RAM + + /* LMA of .data */ + __sidata = LOADADDR(.data); + + /* ### .bss */ + .bss : ALIGN(4) + { + . = ALIGN(4); + __sbss = .; + *(.bss .bss.*); + } > RAM + + . = ALIGN(4); /* 4-byte align the end (VMA) of this section */ + __ebss = .; + + /* ### .uninit */ + .uninit (NOLOAD) : ALIGN(4) + { + . = ALIGN(4); + *(.uninit .uninit.*); + . = ALIGN(4); + } > RAM + + /* Place the heap right after `.uninit` */ + . = ALIGN(4); + __sheap = .; + + /* ## .got */ + /* Dynamic relocations are unsupported. This section is only used to detect relocatable code in + the input files and raise an error if relocatable code is found */ + .got (NOLOAD) : + { + KEEP(*(.got .got.*)); + } + + /* ## Discarded sections */ + /DISCARD/ : + { + /* Unused exception related info that only wastes space */ + *(.ARM.exidx); + *(.ARM.exidx.*); + *(.ARM.extab.*); + } +} + +/* Do not exceed this mark in the error messages below | */ +/* # Alignment checks */ +ASSERT(ORIGIN(FLASH) % 4 == 0, " +ERROR(cortex-m-rt): the start of the FLASH region must be 4-byte aligned"); + +ASSERT(ORIGIN(RAM) % 4 == 0, " +ERROR(cortex-m-rt): the start of the RAM region must be 4-byte aligned"); + +ASSERT(__sdata % 4 == 0 && __edata % 4 == 0, " +BUG(cortex-m-rt): .data is not 4-byte aligned"); + +ASSERT(__sidata % 4 == 0, " +BUG(cortex-m-rt): the LMA of .data is not 4-byte aligned"); + +ASSERT(__sbss % 4 == 0 && __ebss % 4 == 0, " +BUG(cortex-m-rt): .bss is not 4-byte aligned"); + +ASSERT(__sheap % 4 == 0, " +BUG(cortex-m-rt): start of .heap is not 4-byte aligned"); + +/* # Position checks */ + +/* ## .vector_table */ +ASSERT(__reset_vector == ADDR(.vector_table) + 0x8, " +BUG(cortex-m-rt): the reset vector is missing"); + +ASSERT(__eexceptions == ADDR(.vector_table) + 0x40, " +BUG(cortex-m-rt): the exception vectors are missing"); + +ASSERT(SIZEOF(.vector_table) > 0x40, " +ERROR(cortex-m-rt): The interrupt vectors are missing. +Possible solutions, from most likely to less likely: +- Link to a svd2rust generated device crate +- Disable the 'device' feature of cortex-m-rt to build a generic application (a dependency +may be enabling it) +- Supply the interrupt handlers yourself. Check the documentation for details."); + +/* ## .text */ +ASSERT(ADDR(.vector_table) + SIZEOF(.vector_table) <= _stext, " +ERROR(cortex-m-rt): The .text section can't be placed inside the .vector_table section +Set _stext to an address greater than the end of .vector_table (See output of `nm`)"); + +ASSERT(_stext + SIZEOF(.text) < ORIGIN(FLASH) + LENGTH(FLASH), " +ERROR(cortex-m-rt): The .text section must be placed inside the FLASH memory. +Set _stext to an address smaller than 'ORIGIN(FLASH) + LENGTH(FLASH)'"); + +/* # Other checks */ +ASSERT(SIZEOF(.got) == 0, " +ERROR(cortex-m-rt): .got section detected in the input object files +Dynamic relocations are not supported. If you are linking to C code compiled using +the 'cc' crate then modify your build script to compile the C code _without_ +the -fPIC flag. See the documentation of the `cc::Build.pic` method for details."); +/* Do not exceed this mark in the error messages above | */ + +/* Provides weak aliases (cf. PROVIDED) for device specific interrupt handlers */ +/* This will usually be provided by a device crate generated using svd2rust (see `device.x`) */ +INCLUDE device.x + +ASSERT(SIZEOF(.vector_table) <= 0x400, " +There can't be more than 240 interrupt handlers. This may be a bug in +your device crate, or you may have registered more than 240 interrupt +handlers."); + diff --git a/lv_conf.h b/lv_conf.h new file mode 100644 index 0000000..081b9ce --- /dev/null +++ b/lv_conf.h @@ -0,0 +1,701 @@ +/** + * @file lv_conf.h + * + */ + +/* + * COPY THIS FILE AS `lv_conf.h` NEXT TO the `lvgl` FOLDER + */ + +#if 1 /*Set it to "1" to enable content*/ + +#ifndef LV_CONF_H +#define LV_CONF_H +/* clang-format off */ + +#include + +/*==================== + Graphical settings + *====================*/ + +/* Maximal horizontal and vertical resolution to support by the library.*/ +#define LV_HOR_RES_MAX (240) +#define LV_VER_RES_MAX (240) + +/* Color depth: + * - 1: 1 byte per pixel + * - 8: RGB332 + * - 16: RGB565 + * - 32: ARGB8888 + */ +#define LV_COLOR_DEPTH 16 + +/* Swap the 2 bytes of RGB565 color. + * Useful if the display has a 8 bit interface (e.g. SPI)*/ +#define LV_COLOR_16_SWAP 1 + +/* 1: Enable screen transparency. + * Useful for OSD or other overlapping GUIs. + * Requires `LV_COLOR_DEPTH = 32` colors and the screen's style should be modified: `style.body.opa = ...`*/ +#define LV_COLOR_SCREEN_TRANSP 0 + +/*Images pixels with this color will not be drawn (with chroma keying)*/ +#define LV_COLOR_TRANSP LV_COLOR_MAKE(0x6c, 0xFc, 0x6a) /* LV_COLOR_LIME */ /*LV_COLOR_LIME: pure green*/ + +/* Enable anti-aliasing (lines, and radiuses will be smoothed) */ +#define LV_ANTIALIAS 1 + +/* Default display refresh period. + * Can be changed in the display driver (`lv_disp_drv_t`).*/ +#define LV_DISP_DEF_REFR_PERIOD 30 /*[ms]*/ + +/* Dot Per Inch: used to initialize default sizes. + * E.g. a button with width = LV_DPI / 2 -> half inch wide + * (Not so important, you can adjust it to modify default sizes and spaces)*/ +#define LV_DPI 100 /*[px]*/ + +/* The the real width of the display changes some default values: + * default object sizes, layout of examples, etc. + * According to the width of the display (hor. res. / dpi) + * the displays fall in 4 categories. + * The 4th is extra large which has no upper limit so not listed here + * The upper limit of the categories are set below in 0.1 inch unit. + */ +#define LV_DISP_SMALL_LIMIT 30 +#define LV_DISP_MEDIUM_LIMIT 50 +#define LV_DISP_LARGE_LIMIT 70 + +/* Type of coordinates. Should be `int16_t` (or `int32_t` for extreme cases) */ +typedef int16_t lv_coord_t; + +/*========================= + Memory manager settings + *=========================*/ + +/* LittelvGL's internal memory manager's settings. + * The graphical objects and other related data are stored here. */ + +/* 1: use custom malloc/free, 0: use the built-in `lv_mem_alloc` and `lv_mem_free` */ +#define LV_MEM_CUSTOM 0 +#if LV_MEM_CUSTOM == 0 +/* Size of the memory used by `lv_mem_alloc` in bytes (>= 2kB)*/ +# define LV_MEM_SIZE (18U * 1024U) + +/* Complier prefix for a big array declaration */ +# define LV_MEM_ATTR + +/* Set an address for the memory pool instead of allocating it as an array. + * Can be in external SRAM too. */ +# define LV_MEM_ADR 0 + +/* Automatically defrag. on free. Defrag. means joining the adjacent free cells. */ +# define LV_MEM_AUTO_DEFRAG 1 +#else /*LV_MEM_CUSTOM*/ +# define LV_MEM_CUSTOM_INCLUDE /*Header for the dynamic memory function*/ +# define LV_MEM_CUSTOM_ALLOC malloc /*Wrapper to malloc*/ +# define LV_MEM_CUSTOM_FREE free /*Wrapper to free*/ +#endif /*LV_MEM_CUSTOM*/ + +/* Garbage Collector settings + * Used if lvgl is binded to higher level language and the memory is managed by that language */ +#define LV_ENABLE_GC 0 +#if LV_ENABLE_GC != 0 +# define LV_GC_INCLUDE "gc.h" /*Include Garbage Collector related things*/ +# define LV_MEM_CUSTOM_REALLOC your_realloc /*Wrapper to realloc*/ +# define LV_MEM_CUSTOM_GET_SIZE your_mem_get_size /*Wrapper to lv_mem_get_size*/ +#endif /* LV_ENABLE_GC */ + +/*======================= + Input device settings + *=======================*/ + +/* Input device default settings. + * Can be changed in the Input device driver (`lv_indev_drv_t`)*/ + +/* Input device read period in milliseconds */ +#define LV_INDEV_DEF_READ_PERIOD 30 + +/* Drag threshold in pixels */ +#define LV_INDEV_DEF_DRAG_LIMIT 10 + +/* Drag throw slow-down in [%]. Greater value -> faster slow-down */ +#define LV_INDEV_DEF_DRAG_THROW 10 + +/* Long press time in milliseconds. + * Time to send `LV_EVENT_LONG_PRESSSED`) */ +#define LV_INDEV_DEF_LONG_PRESS_TIME 400 + +/* Repeated trigger period in long press [ms] + * Time between `LV_EVENT_LONG_PRESSED_REPEAT */ +#define LV_INDEV_DEF_LONG_PRESS_REP_TIME 100 + + +/* Gesture threshold in pixels */ +#define LV_INDEV_DEF_GESTURE_LIMIT 50 + +/* Gesture min velocity at release before swipe (pixels)*/ +#define LV_INDEV_DEF_GESTURE_MIN_VELOCITY 3 + +/*================== + * Feature usage + *==================*/ + +/*1: Enable the Animations */ +#define LV_USE_ANIMATION 1 +#if LV_USE_ANIMATION + +/*Declare the type of the user data of animations (can be e.g. `void *`, `int`, `struct`)*/ +typedef void * lv_anim_user_data_t; + +#endif + +/* 1: Enable shadow drawing*/ +#define LV_USE_SHADOW 1 +#if LV_USE_SHADOW +/* Allow buffering some shadow calculation + * LV_SHADOW_CACHE_SIZE is the max. shadow size to buffer, + * where shadow size is `shadow_width + radius` + * Caching has LV_SHADOW_CACHE_SIZE^2 RAM cost*/ +#define LV_SHADOW_CACHE_SIZE 0 +#endif + +/* 1: Use other blend modes than normal (`LV_BLEND_MODE_...`)*/ +#define LV_USE_BLEND_MODES 1 + +/* 1: Use the `opa_scale` style property to set the opacity of an object and its children at once*/ +#define LV_USE_OPA_SCALE 1 + +/* 1: Use image zoom and rotation*/ +#define LV_USE_IMG_TRANSFORM 1 + +/* 1: Enable object groups (for keyboard/encoder navigation) */ +#define LV_USE_GROUP 1 +#if LV_USE_GROUP +typedef void * lv_group_user_data_t; +#endif /*LV_USE_GROUP*/ + +/* 1: Enable GPU interface*/ +#define LV_USE_GPU 0 /*Only enables `gpu_fill_cb` and `gpu_blend_cb` in the disp. drv- */ +#define LV_USE_GPU_STM32_DMA2D 0 + +/* 1: Enable file system (might be required for images */ +#define LV_USE_FILESYSTEM 0 +#if LV_USE_FILESYSTEM +/*Declare the type of the user data of file system drivers (can be e.g. `void *`, `int`, `struct`)*/ +typedef void * lv_fs_drv_user_data_t; +#endif + +/*1: Add a `user_data` to drivers and objects*/ +#define LV_USE_USER_DATA 1 + +/*1: Show CPU usage and FPS count in the right bottom corner*/ +#define LV_USE_PERF_MONITOR 0 + +/*1: Use the functions and types from the older API if possible */ +#define LV_USE_API_EXTENSION_V6 1 + +/*======================== + * Image decoder and cache + *========================*/ + +/* 1: Enable indexed (palette) images */ +#define LV_IMG_CF_INDEXED 1 + +/* 1: Enable alpha indexed images */ +#define LV_IMG_CF_ALPHA 1 + +/* Default image cache size. Image caching keeps the images opened. + * If only the built-in image formats are used there is no real advantage of caching. + * (I.e. no new image decoder is added) + * With complex image decoders (e.g. PNG or JPG) caching can save the continuous open/decode of images. + * However the opened images might consume additional RAM. + * LV_IMG_CACHE_DEF_SIZE must be >= 1 */ +#define LV_IMG_CACHE_DEF_SIZE 1 + +/*Declare the type of the user data of image decoder (can be e.g. `void *`, `int`, `struct`)*/ +typedef void * lv_img_decoder_user_data_t; + +/*===================== + * Compiler settings + *====================*/ +/* Define a custom attribute to `lv_tick_inc` function */ +#define LV_ATTRIBUTE_TICK_INC + +/* Define a custom attribute to `lv_task_handler` function */ +#define LV_ATTRIBUTE_TASK_HANDLER + +/* Define a custom attribute to `lv_disp_flush_ready` function */ +#define LV_ATTRIBUTE_FLUSH_READY + +/* With size optimization (-Os) the compiler might not align data to + * 4 or 8 byte boundary. This alignment will be explicitly applied where needed. + * E.g. __attribute__((aligned(4))) */ +#define LV_ATTRIBUTE_MEM_ALIGN + +/* Attribute to mark large constant arrays for example + * font's bitmaps */ +#define LV_ATTRIBUTE_LARGE_CONST + +/* Prefix performance critical functions to place them into a faster memory (e.g RAM) + * Uses 15-20 kB extra memory */ +#define LV_ATTRIBUTE_FAST_MEM + +/* Export integer constant to binding. + * This macro is used with constants in the form of LV_ that + * should also appear on lvgl binding API such as Micropython + * + * The default value just prevents a GCC warning. + */ +#define LV_EXPORT_CONST_INT(int_value) struct _silence_gcc_warning + +/*=================== + * HAL settings + *==================*/ + +/* 1: use a custom tick source. + * It removes the need to manually update the tick with `lv_tick_inc`) */ +#define LV_TICK_CUSTOM 0 +#if LV_TICK_CUSTOM == 1 +#define LV_TICK_CUSTOM_INCLUDE "something.h" /*Header for the sys time function*/ +#define LV_TICK_CUSTOM_SYS_TIME_EXPR (millis()) /*Expression evaluating to current systime in ms*/ +#endif /*LV_TICK_CUSTOM*/ + +typedef void * lv_disp_drv_user_data_t; /*Type of user data in the display driver*/ +typedef void * lv_indev_drv_user_data_t; /*Type of user data in the input device driver*/ + +/*================ + * Log settings + *===============*/ + +/*1: Enable the log module*/ +#define LV_USE_LOG 0 +#if LV_USE_LOG +/* How important log should be added: + * LV_LOG_LEVEL_TRACE A lot of logs to give detailed information + * LV_LOG_LEVEL_INFO Log important events + * LV_LOG_LEVEL_WARN Log if something unwanted happened but didn't cause a problem + * LV_LOG_LEVEL_ERROR Only critical issue, when the system may fail + * LV_LOG_LEVEL_NONE Do not log anything + */ +# define LV_LOG_LEVEL LV_LOG_LEVEL_INFO + +/* 1: Print the log with 'printf'; + * 0: user need to register a callback with `lv_log_register_print_cb`*/ +# define LV_LOG_PRINTF 0 +#endif /*LV_USE_LOG*/ + +/*================= + * Debug settings + *================*/ + +/* If Debug is enabled LittelvGL validates the parameters of the functions. + * If an invalid parameter is found an error log message is printed and + * the MCU halts at the error. (`LV_USE_LOG` should be enabled) + * If you are debugging the MCU you can pause + * the debugger to see exactly where the issue is. + * + * The behavior of asserts can be overwritten by redefining them here. + * E.g. #define LV_ASSERT_MEM(p) + */ +#define LV_USE_DEBUG 1 +#if LV_USE_DEBUG + +/*Check if the parameter is NULL. (Quite fast) */ +#define LV_USE_ASSERT_NULL 1 + +/*Checks is the memory is successfully allocated or no. (Quite fast)*/ +#define LV_USE_ASSERT_MEM 1 + +/*Check the integrity of `lv_mem` after critical operations. (Slow)*/ +#define LV_USE_ASSERT_MEM_INTEGRITY 0 + +/* Check the strings. + * Search for NULL, very long strings, invalid characters, and unnatural repetitions. (Slow) + * If disabled `LV_USE_ASSERT_NULL` will be performed instead (if it's enabled) */ +#define LV_USE_ASSERT_STR 0 + +/* Check NULL, the object's type and existence (e.g. not deleted). (Quite slow) + * If disabled `LV_USE_ASSERT_NULL` will be performed instead (if it's enabled) */ +#define LV_USE_ASSERT_OBJ 0 + +/*Check if the styles are properly initialized. (Fast)*/ +#define LV_USE_ASSERT_STYLE 0 + +#endif /*LV_USE_DEBUG*/ + +/*================== + * FONT USAGE + *===================*/ + +/* The built-in fonts contains the ASCII range and some Symbols with 4 bit-per-pixel. + * The symbols are available via `LV_SYMBOL_...` defines + * More info about fonts: https://docs.lvgl.com/#Fonts + * To create a new font go to: https://lvgl.com/ttf-font-to-c-array + */ + +/* Montserrat fonts with bpp = 4 + * https://fonts.google.com/specimen/Montserrat */ +#define LV_FONT_MONTSERRAT_12 0 +#define LV_FONT_MONTSERRAT_14 0 +#define LV_FONT_MONTSERRAT_16 1 +#define LV_FONT_MONTSERRAT_18 0 +#define LV_FONT_MONTSERRAT_20 0 +#define LV_FONT_MONTSERRAT_22 0 +#define LV_FONT_MONTSERRAT_24 0 +#define LV_FONT_MONTSERRAT_26 0 +#define LV_FONT_MONTSERRAT_28 0 +#define LV_FONT_MONTSERRAT_30 0 +#define LV_FONT_MONTSERRAT_32 0 +#define LV_FONT_MONTSERRAT_34 0 +#define LV_FONT_MONTSERRAT_36 0 +#define LV_FONT_MONTSERRAT_38 0 +#define LV_FONT_MONTSERRAT_40 0 +#define LV_FONT_MONTSERRAT_42 0 +#define LV_FONT_MONTSERRAT_44 0 +#define LV_FONT_MONTSERRAT_46 0 +#define LV_FONT_MONTSERRAT_48 0 + +/* Demonstrate special features */ +#define LV_FONT_MONTSERRAT_12_SUBPX 0 +#define LV_FONT_MONTSERRAT_28_COMPRESSED 0 /*bpp = 3*/ +#define LV_FONT_DEJAVU_16_PERSIAN_HEBREW 0 /*Hebrew, Arabic, PErisan letters and all their forms*/ +#define LV_FONT_SIMSUN_16_CJK 0 /*1000 most common CJK radicals*/ + +/*Pixel perfect monospace font + * http://pelulamu.net/unscii/ */ +#define LV_FONT_UNSCII_8 0 + +/* Optionally declare your custom fonts here. + * You can use these fonts as default font too + * and they will be available globally. E.g. + * #define LV_FONT_CUSTOM_DECLARE LV_FONT_DECLARE(my_font_1) \ + * LV_FONT_DECLARE(my_font_2) + */ +#define LV_FONT_CUSTOM_DECLARE + +/* Enable it if you have fonts with a lot of characters. + * The limit depends on the font size, font face and bpp + * but with > 10,000 characters if you see issues probably you need to enable it.*/ +#define LV_FONT_FMT_TXT_LARGE 0 + +/* Set the pixel order of the display. + * Important only if "subpx fonts" are used. + * With "normal" font it doesn't matter. + */ +#define LV_FONT_SUBPX_BGR 0 + +/*Declare the type of the user data of fonts (can be e.g. `void *`, `int`, `struct`)*/ +typedef void * lv_font_user_data_t; + +/*================ + * THEME USAGE + *================*/ + +/*Always enable at least on theme*/ + +/* No theme, you can apply your styles as you need + * No flags. Set LV_THEME_DEFAULT_FLAG 0 */ + #define LV_USE_THEME_EMPTY 0 + +/*Simple to the create your theme based on it + * No flags. Set LV_THEME_DEFAULT_FLAG 0 */ + #define LV_USE_THEME_TEMPLATE 0 + +/* A fast and impressive theme. + * Flags: + * LV_THEME_MATERIAL_FLAG_LIGHT: light theme + * LV_THEME_MATERIAL_FLAG_DARK: dark theme*/ + #define LV_USE_THEME_MATERIAL 1 + +/* Mono-color theme for monochrome displays. + * If LV_THEME_DEFAULT_COLOR_PRIMARY is LV_COLOR_BLACK the + * texts and borders will be black and the background will be + * white. Else the colors are inverted. + * No flags. Set LV_THEME_DEFAULT_FLAG 0 */ + #define LV_USE_THEME_MONO 0 + +#define LV_THEME_DEFAULT_INCLUDE /*Include a header for the init. function*/ +#define LV_THEME_DEFAULT_INIT lv_theme_material_init +#define LV_THEME_DEFAULT_COLOR_PRIMARY LV_COLOR_RED +#define LV_THEME_DEFAULT_COLOR_SECONDARY LV_COLOR_BLUE +#define LV_THEME_DEFAULT_FLAG LV_THEME_MATERIAL_FLAG_LIGHT +#define LV_THEME_DEFAULT_FONT_SMALL &lv_font_montserrat_16 +#define LV_THEME_DEFAULT_FONT_NORMAL &lv_font_montserrat_16 +#define LV_THEME_DEFAULT_FONT_SUBTITLE &lv_font_montserrat_16 +#define LV_THEME_DEFAULT_FONT_TITLE &lv_font_montserrat_16 + +/*================= + * Text settings + *=================*/ + +/* Select a character encoding for strings. + * Your IDE or editor should have the same character encoding + * - LV_TXT_ENC_UTF8 + * - LV_TXT_ENC_ASCII + * */ +#define LV_TXT_ENC LV_TXT_ENC_UTF8 + + /*Can break (wrap) texts on these chars*/ +#define LV_TXT_BREAK_CHARS " ,.;:-_" + +/* If a word is at least this long, will break wherever "prettiest" + * To disable, set to a value <= 0 */ +#define LV_TXT_LINE_BREAK_LONG_LEN 0 + +/* Minimum number of characters in a long word to put on a line before a break. + * Depends on LV_TXT_LINE_BREAK_LONG_LEN. */ +#define LV_TXT_LINE_BREAK_LONG_PRE_MIN_LEN 3 + +/* Minimum number of characters in a long word to put on a line after a break. + * Depends on LV_TXT_LINE_BREAK_LONG_LEN. */ +#define LV_TXT_LINE_BREAK_LONG_POST_MIN_LEN 3 + +/* The control character to use for signalling text recoloring. */ +#define LV_TXT_COLOR_CMD "#" + +/* Support bidirectional texts. + * Allows mixing Left-to-Right and Right-to-Left texts. + * The direction will be processed according to the Unicode Bidirectioanl Algorithm: + * https://www.w3.org/International/articles/inline-bidi-markup/uba-basics*/ +#define LV_USE_BIDI 0 +#if LV_USE_BIDI +/* Set the default direction. Supported values: + * `LV_BIDI_DIR_LTR` Left-to-Right + * `LV_BIDI_DIR_RTL` Right-to-Left + * `LV_BIDI_DIR_AUTO` detect texts base direction */ +#define LV_BIDI_BASE_DIR_DEF LV_BIDI_DIR_AUTO +#endif + +/* Enable Arabic/Persian processing + * In these languages characters should be replaced with + * an other form based on their position in the text */ +#define LV_USE_ARABIC_PERSIAN_CHARS 0 + +/*Change the built in (v)snprintf functions*/ +#define LV_SPRINTF_CUSTOM 0 +#if LV_SPRINTF_CUSTOM +# define LV_SPRINTF_INCLUDE +# define lv_snprintf snprintf +# define lv_vsnprintf vsnprintf +#else /*!LV_SPRINTF_CUSTOM*/ +# define LV_SPRINTF_DISABLE_FLOAT 1 +#endif /*LV_SPRINTF_CUSTOM*/ + +/*=================== + * LV_OBJ SETTINGS + *==================*/ + +#if LV_USE_USER_DATA +/*Declare the type of the user data of object (can be e.g. `void *`, `int`, `struct`)*/ +typedef void * lv_obj_user_data_t; +/*Provide a function to free user data*/ +#define LV_USE_USER_DATA_FREE 0 +#if LV_USE_USER_DATA_FREE +# define LV_USER_DATA_FREE_INCLUDE "something.h" /*Header for user data free function*/ +/* Function prototype : void user_data_free(lv_obj_t * obj); */ +# define LV_USER_DATA_FREE (user_data_free) /*Invoking for user data free function*/ +#endif +#endif + +/*1: enable `lv_obj_realaign()` based on `lv_obj_align()` parameters*/ +#define LV_USE_OBJ_REALIGN 1 + +/* Enable to make the object clickable on a larger area. + * LV_EXT_CLICK_AREA_OFF or 0: Disable this feature + * LV_EXT_CLICK_AREA_TINY: The extra area can be adjusted horizontally and vertically (0..255 px) + * LV_EXT_CLICK_AREA_FULL: The extra area can be adjusted in all 4 directions (-32k..+32k px) + */ +#define LV_USE_EXT_CLICK_AREA LV_EXT_CLICK_AREA_TINY + +/*================== + * LV OBJ X USAGE + *================*/ +/* + * Documentation of the object types: https://docs.lvgl.com/#Object-types + */ + +/*Arc (dependencies: -)*/ +#define LV_USE_ARC 1 + +/*Bar (dependencies: -)*/ +#define LV_USE_BAR 1 + +/*Button (dependencies: lv_cont*/ +#define LV_USE_BTN 1 + +/*Button matrix (dependencies: -)*/ +#define LV_USE_BTNMATRIX 1 + +/*Calendar (dependencies: -)*/ +#define LV_USE_CALENDAR 1 + +/*Canvas (dependencies: lv_img)*/ +#define LV_USE_CANVAS 1 + +/*Check box (dependencies: lv_btn, lv_label)*/ +#define LV_USE_CHECKBOX 1 + +/*Chart (dependencies: -)*/ +#define LV_USE_CHART 1 +#if LV_USE_CHART +# define LV_CHART_AXIS_TICK_LABEL_MAX_LEN 256 +#endif + +/*Container (dependencies: -*/ +#define LV_USE_CONT 1 + +/*Color picker (dependencies: -*/ +#define LV_USE_CPICKER 1 + +/*Drop down list (dependencies: lv_page, lv_label, lv_symbol_def.h)*/ +#define LV_USE_DROPDOWN 1 +#if LV_USE_DROPDOWN != 0 +/*Open and close default animation time [ms] (0: no animation)*/ +# define LV_DROPDOWN_DEF_ANIM_TIME 200 +#endif + +/*Gauge (dependencies:lv_bar, lv_linemeter)*/ +#define LV_USE_GAUGE 1 + +/*Image (dependencies: lv_label*/ +#define LV_USE_IMG 1 + +/*Image Button (dependencies: lv_btn*/ +#define LV_USE_IMGBTN 1 +#if LV_USE_IMGBTN +/*1: The imgbtn requires left, mid and right parts and the width can be set freely*/ +# define LV_IMGBTN_TILED 0 +#endif + +/*Keyboard (dependencies: lv_btnm)*/ +#define LV_USE_KEYBOARD 1 + +/*Label (dependencies: -*/ +#define LV_USE_LABEL 1 +#if LV_USE_LABEL != 0 +/*Hor, or ver. scroll speed [px/sec] in 'LV_LABEL_LONG_ROLL/ROLL_CIRC' mode*/ +# define LV_LABEL_DEF_SCROLL_SPEED 25 + +/* Waiting period at beginning/end of animation cycle */ +# define LV_LABEL_WAIT_CHAR_COUNT 3 + +/*Enable selecting text of the label */ +# define LV_LABEL_TEXT_SEL 0 + +/*Store extra some info in labels (12 bytes) to speed up drawing of very long texts*/ +# define LV_LABEL_LONG_TXT_HINT 0 +#endif + +/*LED (dependencies: -)*/ +#define LV_USE_LED 1 +#if LV_USE_LED +# define LV_LED_BRIGHT_MIN 120 /*Minimal brightness*/ +# define LV_LED_BRIGHT_MAX 255 /*Maximal brightness*/ +#endif + +/*Line (dependencies: -*/ +#define LV_USE_LINE 1 + +/*List (dependencies: lv_page, lv_btn, lv_label, (lv_img optionally for icons ))*/ +#define LV_USE_LIST 1 +#if LV_USE_LIST != 0 +/*Default animation time of focusing to a list element [ms] (0: no animation) */ +# define LV_LIST_DEF_ANIM_TIME 100 +#endif + +/*Line meter (dependencies: *;)*/ +#define LV_USE_LINEMETER 1 +#if LV_USE_LINEMETER +/* Draw line more precisely at cost of performance. + * Useful if there are lot of lines any minor are visible + * 0: No extra precision + * 1: Some extra precision + * 2: Best precision + */ +# define LV_LINEMETER_PRECISE 0 +#endif + +/*Mask (dependencies: -)*/ +#define LV_USE_OBJMASK 1 + +/*Message box (dependencies: lv_rect, lv_btnm, lv_label)*/ +#define LV_USE_MSGBOX 1 + +/*Page (dependencies: lv_cont)*/ +#define LV_USE_PAGE 1 +#if LV_USE_PAGE != 0 +/*Focus default animation time [ms] (0: no animation)*/ +# define LV_PAGE_DEF_ANIM_TIME 400 +#endif + +/*Preload (dependencies: lv_arc, lv_anim)*/ +#define LV_USE_SPINNER 1 +#if LV_USE_SPINNER != 0 +# define LV_SPINNER_DEF_ARC_LENGTH 60 /*[deg]*/ +# define LV_SPINNER_DEF_SPIN_TIME 1000 /*[ms]*/ +# define LV_SPINNER_DEF_ANIM LV_SPINNER_TYPE_SPINNING_ARC +#endif + +/*Roller (dependencies: lv_ddlist)*/ +#define LV_USE_ROLLER 1 +#if LV_USE_ROLLER != 0 +/*Focus animation time [ms] (0: no animation)*/ +# define LV_ROLLER_DEF_ANIM_TIME 200 + +/*Number of extra "pages" when the roller is infinite*/ +# define LV_ROLLER_INF_PAGES 7 +#endif + +/*Slider (dependencies: lv_bar)*/ +#define LV_USE_SLIDER 1 + +/*Spinbox (dependencies: lv_ta)*/ +#define LV_USE_SPINBOX 1 + +/*Switch (dependencies: lv_slider)*/ +#define LV_USE_SWITCH 1 + +/*Text area (dependencies: lv_label, lv_page)*/ +#define LV_USE_TEXTAREA 1 +#if LV_USE_TEXTAREA != 0 +# define LV_TEXTAREA_DEF_CURSOR_BLINK_TIME 400 /*ms*/ +# define LV_TEXTAREA_DEF_PWD_SHOW_TIME 1500 /*ms*/ +#endif + +/*Table (dependencies: lv_label)*/ +#define LV_USE_TABLE 1 +#if LV_USE_TABLE +# define LV_TABLE_COL_MAX 12 +#endif + +/*Tab (dependencies: lv_page, lv_btnm)*/ +#define LV_USE_TABVIEW 1 +# if LV_USE_TABVIEW != 0 +/*Time of slide animation [ms] (0: no animation)*/ +# define LV_TABVIEW_DEF_ANIM_TIME 300 +#endif + +/*Tileview (dependencies: lv_page) */ +#define LV_USE_TILEVIEW 1 +#if LV_USE_TILEVIEW +/*Time of slide animation [ms] (0: no animation)*/ +# define LV_TILEVIEW_DEF_ANIM_TIME 300 +#endif + +/*Window (dependencies: lv_cont, lv_btn, lv_label, lv_img, lv_page)*/ +#define LV_USE_WIN 1 + +/*================== + * Non-user section + *==================*/ + +#if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_WARNINGS) /* Disable warnings for Visual Studio*/ +# define _CRT_SECURE_NO_WARNINGS +#endif + +/*--END OF LV_CONF_H--*/ + +#endif /*LV_CONF_H*/ + +#endif /*End of "Content enable"*/ diff --git a/src/main.rs b/src/main.rs new file mode 100644 index 0000000..3cdd194 --- /dev/null +++ b/src/main.rs @@ -0,0 +1,169 @@ +#![no_std] +#![no_main] + +mod monotonic_nrf52; + +use nrf52832_hal as p_hal; +use p_hal::gpio::{GpioExt, Level}; +use p_hal::nrf52832_pac as pac; +use p_hal::{delay::Delay, spim, twim}; + +use cortex_m_rt as rt; +use cst816s::CST816S; +use embedded_graphics::prelude::*; +use rt::entry; +use st7789::Orientation; + +use core::cell::Cell; +use cstr_core::CStr; +use lvgl::input_device::{BufferStatus, InputData, Pointer}; +use lvgl::style::Style; +use lvgl::widgets::{Btn, Label}; +use lvgl::{self, Align, Color, Part, State, Widget, UI}; + +use crate::monotonic_nrf52::Instant; +use core::panic::PanicInfo; +use core::time::Duration; +use embedded_hal::blocking::delay::DelayMs; +use nrf52832_hal::prelude::ClocksExt; + +pub type HalSpimError = p_hal::spim::Error; + +pub type Spim0PortType = p_hal::spim::Spim; +pub type DisplaySckPinType = p_hal::gpio::p0::P0_18>; +pub type DisplayMosiPinType = p_hal::gpio::p0::P0_26>; + +/// +/// This example was written and tested for the PineTime smart watch +/// +#[entry] +fn main() -> ! { + let cp = pac::CorePeripherals::take().unwrap(); + let mut delay_source = Delay::new(cp.SYST); + + // PineTime has a 32 MHz HSE (HFXO) and a 32.768 kHz LSE (LFXO) + // Optimize clock config + let dp = pac::Peripherals::take().unwrap(); + let _clockit = dp.CLOCK.constrain().enable_ext_hfosc(); + + let port0 = dp.P0.split(); + + // internal i2c0 bus devices: BMA421 (accel), HRS3300 (hrs), CST816S (TouchPad) + // BMA421-INT: P0.08 + // TP-INT: P0.28 + let i2c0_pins = twim::Pins { + scl: port0.p0_07.into_floating_input().degrade(), + sda: port0.p0_06.into_floating_input().degrade(), + }; + let i2c_port = twim::Twim::new(dp.TWIM1, i2c0_pins, twim::Frequency::K400); + // let i2c_bus0 = shared_bus::CortexMBusManager::new(i2c_port); + + delay_source.delay_ms(1u8); + + let spim0_pins = spim::Pins { + sck: port0.p0_02.into_push_pull_output(Level::Low).degrade(), + miso: None, + mosi: Some(port0.p0_03.into_push_pull_output(Level::Low).degrade()), + }; + + // create SPIM0 interface, 8 Mbps, use 122 as "over read character" + let spim0 = spim::Spim::new(dp.SPIM0, spim0_pins, spim::Frequency::M8, spim::MODE_3, 122); + let spi_bus0 = shared_bus::CortexMBusManager::new(spim0); + + // backlight control pin for display: always on + let mut _backlight = port0.p0_22.into_push_pull_output(Level::Low); + // SPI chip select (CSN) for the display. + let display_csn = port0.p0_25.into_push_pull_output(Level::High); + // data/clock switch pin for display + let display_dc = port0.p0_18.into_push_pull_output(Level::Low); + // reset pin for display + let display_rst = port0.p0_26.into_push_pull_output(Level::Low); + + // create display driver + let mut display = st7789::new_display_driver( + spi_bus0.acquire(), + display_csn, + display_dc, + display_rst, + lvgl::HOR_RES_MAX as u16, + lvgl::VER_RES_MAX as u16, + ); + display.init(&mut delay_source).unwrap(); + display.set_orientation(&Orientation::Portrait).unwrap(); + + // setup touchpad external interrupt pin: P0.28/AIN4 (TP_INT) + let touch_int = port0.p0_28.into_pullup_input().degrade(); + // setup touchpad reset pin: P0.10/NFC2 (TP_RESET) + let touch_rst = port0.p0_10.into_push_pull_output(Level::High).degrade(); + + let mut touchpad = CST816S::new(i2c_port, touch_int, touch_rst); + touchpad.setup(&mut delay_source).unwrap(); + + // Initialize LVGL + let mut ui = UI::init().unwrap(); + ui.disp_drv_register(display).unwrap(); + + // Define the initial state of the input + let mut latest_touch_point = Point::new(0, 0); + let mut latest_touch_status = InputData::Touch(latest_touch_point.clone()) + .released() + .once(); + + // Register a new input device that's capable of reading the current state of the input + let mut touch_device = Pointer::new(|| latest_touch_status); + ui.indev_drv_register(&mut touch_device).unwrap(); + + // Create screen and widgets + let mut screen = ui.scr_act().unwrap(); + + // Draw a black background to the screen + let mut screen_style = Style::default(); + screen_style.set_bg_color(State::DEFAULT, Color::from_rgb((0, 0, 0))); + screen.add_style(Part::Main, screen_style).unwrap(); + + // Create the button + let text_click_me = CStr::from_bytes_with_nul("Click me!\0".as_bytes()).unwrap(); + let mut button = Btn::new(&mut screen).unwrap(); + button + .set_align(&mut screen, Align::InLeftMid, 30, 0) + .unwrap(); + button.set_size(180, 80).unwrap(); + let mut btn_lbl = Label::new(&mut button).unwrap(); + btn_lbl.set_text(text_click_me).unwrap(); + + let mut btn_state = false; + button + .on_event(|mut btn, event| { + if let lvgl::Event::Clicked = event { + btn_state = !btn_state; + btn.toggle().unwrap(); + } + }) + .unwrap(); + + let mut loop_start = Instant::now(); + loop { + ui.task_handler(); + if let Some(evt) = touchpad.read_one_touch_event(true) { + latest_touch_point = Point::new(evt.x, evt.y); + // Pressed + latest_touch_status = InputData::Touch(latest_touch_point.clone()) + .pressed() + .once(); + } else { + // Released + latest_touch_status = InputData::Touch(latest_touch_point.clone()) + .released() + .once(); + } + + ui.tick_inc(Duration::from_millis(50)); + //delay_source.delay_ms(2u32); + loop_start = Instant::now(); + } +} + +#[panic_handler] +fn panic(_info: &PanicInfo) -> ! { + loop {} +} diff --git a/src/monotonic_nrf52.rs b/src/monotonic_nrf52.rs new file mode 100644 index 0000000..aa28b7e --- /dev/null +++ b/src/monotonic_nrf52.rs @@ -0,0 +1,241 @@ +//! Using NRF52 as monotonic timer +//! +//! Source: +//! https://github.com/rtfm-rs/rtfm-examples/blob/master/rtfm_v5/monotonic_nrf52/src/monotonic_nrf52.rs + +use core::u32; +use core::{ + cmp::Ordering, + convert::{Infallible, TryInto}, + fmt, ops, +}; +use nrf52832_hal::target; + +/// A measurement of the counter. Opaque and useful only with `Duration` +/// +/// # Correctness +/// +/// Adding or subtracting a `Duration` of more than `(1 << 31)` cycles to an `Instant` effectively +/// makes it "wrap around" and creates an incorrect value. This is also true if the operation is +/// done in steps, e.g. `(instant + dur) + dur` where `dur` is `(1 << 30)` ticks. +#[derive(Clone, Copy, Eq, PartialEq)] +pub struct Instant { + inner: i32, +} + +impl Instant { + /// Returns an instant corresponding to "now" + pub fn now() -> Self { + let now = { + let timer = unsafe { &*target::TIMER1::ptr() }; + timer.tasks_capture[0].write(|w| unsafe { w.bits(1) }); + timer.cc[0].read().bits() + }; + + Instant { inner: now as i32 } + } + + /// Returns the amount of time elapsed since this instant was created. + pub fn elapsed(&self) -> Duration { + Instant::now() - *self + } + + /// Returns the underlying count + pub fn counts(&self) -> u32 { + self.inner as u32 + } + + /// Returns the amount of time elapsed from another instant to this one. + pub fn duration_since(&self, earlier: Instant) -> Duration { + let diff = self.inner - earlier.inner; + assert!(diff >= 0, "second instant is later than self"); + Duration { inner: diff as u32 } + } +} + +impl fmt::Debug for Instant { + fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { + f.debug_tuple("Instant") + .field(&(self.inner as u32)) + .finish() + } +} + +impl ops::AddAssign for Instant { + fn add_assign(&mut self, dur: Duration) { + // NOTE this is a debug assertion because there's no foolproof way to detect a wrap around; + // the user may write `(instant + dur) + dur` where `dur` is `(1<<31)-1` ticks. + debug_assert!(dur.inner < (1 << 31)); + self.inner = self.inner.wrapping_add(dur.inner as i32); + } +} + +impl ops::Add for Instant { + type Output = Self; + + fn add(mut self, dur: Duration) -> Self { + self += dur; + self + } +} + +impl ops::SubAssign for Instant { + fn sub_assign(&mut self, dur: Duration) { + // NOTE see the NOTE in `>::add_assign` + debug_assert!(dur.inner < (1 << 31)); + self.inner = self.inner.wrapping_sub(dur.inner as i32); + } +} + +impl ops::Sub for Instant { + type Output = Self; + + fn sub(mut self, dur: Duration) -> Self { + self -= dur; + self + } +} + +impl ops::Sub for Instant { + type Output = Duration; + + fn sub(self, other: Instant) -> Duration { + self.duration_since(other) + } +} + +impl Ord for Instant { + fn cmp(&self, rhs: &Self) -> Ordering { + self.inner.wrapping_sub(rhs.inner).cmp(&0) + } +} + +impl PartialOrd for Instant { + fn partial_cmp(&self, rhs: &Self) -> Option { + Some(self.cmp(rhs)) + } +} + +/// A `Duration` type to represent a span of time. +/// +/// This data type is only available on ARMv7-M +/// +/// # Correctness +/// +/// This type is *not* appropriate for representing time spans in the order of, or larger than, +/// seconds because it can hold a maximum of `(1 << 31)` "ticks" where each tick is the inverse of +/// the CPU frequency, which usually is dozens of MHz. +#[derive(Clone, Copy, Default, Eq, Ord, PartialEq, PartialOrd)] +pub struct Duration { + inner: u32, +} + +impl Duration { + /// Creates a new `Duration` from the specified number of clock cycles + pub fn from_cycles(cycles: u32) -> Self { + Duration { inner: cycles } + } + + /// Returns the total number of clock cycles contained by this `Duration` + pub fn as_cycles(&self) -> u32 { + self.inner + } +} + +// Used internally by RTFM to convert the duration into a known type +impl TryInto for Duration { + type Error = Infallible; + + fn try_into(self) -> Result { + Ok(self.as_cycles()) + } +} + +impl ops::AddAssign for Duration { + fn add_assign(&mut self, dur: Duration) { + self.inner += dur.inner; + } +} + +impl ops::Add for Duration { + type Output = Self; + + fn add(self, other: Self) -> Self { + Duration { + inner: self.inner + other.inner, + } + } +} + +impl ops::Mul for Duration { + type Output = Self; + + fn mul(self, other: u32) -> Self { + Duration { + inner: self.inner * other, + } + } +} + +impl ops::MulAssign for Duration { + fn mul_assign(&mut self, other: u32) { + *self = *self * other; + } +} + +impl ops::SubAssign for Duration { + fn sub_assign(&mut self, rhs: Duration) { + self.inner -= rhs.inner; + } +} + +impl ops::Sub for Duration { + type Output = Self; + + fn sub(self, rhs: Self) -> Self { + Duration { + inner: self.inner - rhs.inner, + } + } +} + +impl From for core::time::Duration { + fn from(d: Duration) -> Self { + core::time::Duration::from_micros(d.inner as u64) + } +} + +/// Adds the `millis` and `micros` methods to the `u32` type +/// +/// This trait is only available on ARMv7-M +pub trait U32Ext { + /// Converts the `u32` value as seconds into ticks + fn secs(self) -> Duration; + + /// Converts the `u32` value as milliseconds into ticks + fn millis(self) -> Duration; + + /// Converts the `u32` value as microseconds into ticks + fn micros(self) -> Duration; + + /// Converts the `u32` value as hertz into ticks + fn hz(self) -> Duration; +} + +impl U32Ext for u32 { + fn secs(self) -> Duration { + self.millis() * 1_000 + } + + fn millis(self) -> Duration { + self.micros() * 1_000 + } + + fn micros(self) -> Duration { + Duration { inner: self } + } + + fn hz(self) -> Duration { + (1_000_000 / self).micros() + } +}