lvgl/scripts/lv_conf_internal_gen.py

236 lines
7.2 KiB
Python
Executable File

#!/usr/bin/env python3
'''
Generates lv_conf_internal.h from lv_conf_template.h to provide default values
'''
import os
import sys
import re
SCRIPT_DIR = os.path.dirname(__file__)
LV_CONF_TEMPLATE = os.path.join(SCRIPT_DIR, "..", "lv_conf_template.h")
LV_CONF_INTERNAL = os.path.join(SCRIPT_DIR, "..", "src", "lv_conf_internal.h")
if sys.version_info < (3,6,0):
print("Python >=3.6 is required", file=sys.stderr)
exit(1)
fin = open(LV_CONF_TEMPLATE)
fout = open(LV_CONF_INTERNAL, "w", newline='')
fout.write(
'''/**
* GENERATED FILE, DO NOT EDIT IT!
* @file lv_conf_internal.h
* This file ensures all defines of lv_conf.h have a default value.
*/
#ifndef LV_CONF_INTERNAL_H
#define LV_CONF_INTERNAL_H
/* clang-format off */
/* Config options */
#define LV_OS_NONE 0
#define LV_OS_PTHREAD 1
#define LV_OS_FREERTOS 2
#define LV_OS_CMSIS_RTOS2 3
#define LV_OS_RTTHREAD 4
#define LV_OS_WINDOWS 5
#define LV_OS_MQX 6
#define LV_OS_CUSTOM 255
#define LV_STDLIB_BUILTIN 0
#define LV_STDLIB_CLIB 1
#define LV_STDLIB_MICROPYTHON 2
#define LV_STDLIB_RTTHREAD 3
#define LV_STDLIB_CUSTOM 255
#define LV_DRAW_SW_ASM_NONE 0
#define LV_DRAW_SW_ASM_NEON 1
#define LV_DRAW_SW_ASM_HELIUM 2
#define LV_DRAW_SW_ASM_CUSTOM 255
#define LV_NEMA_HAL_CUSTOM 0
#define LV_NEMA_HAL_STM32 1
/** Handle special Kconfig options. */
#ifndef LV_KCONFIG_IGNORE
#include "lv_conf_kconfig.h"
#if defined(CONFIG_LV_CONF_SKIP) && !defined(LV_CONF_SKIP)
#define LV_CONF_SKIP
#endif
#endif
/* If "lv_conf.h" is available from here try to use it later. */
#ifdef __has_include
#if __has_include("lv_conf.h")
#ifndef LV_CONF_INCLUDE_SIMPLE
#define LV_CONF_INCLUDE_SIMPLE
#endif
#endif
#endif
/* If lv_conf.h is not skipped, include it. */
#if !defined(LV_CONF_SKIP) || defined(LV_CONF_PATH)
#ifdef LV_CONF_PATH /* If there is a path defined for lv_conf.h, use it */
#define __LV_TO_STR_AUX(x) #x
#define __LV_TO_STR(x) __LV_TO_STR_AUX(x)
#include __LV_TO_STR(LV_CONF_PATH)
#undef __LV_TO_STR_AUX
#undef __LV_TO_STR
#elif defined(LV_CONF_INCLUDE_SIMPLE) /* Or simply include lv_conf.h is enabled. */
#include "lv_conf.h"
#else
#include "../../lv_conf.h" /* Else assume lv_conf.h is next to the lvgl folder. */
#endif
#if !defined(LV_CONF_H) && !defined(LV_CONF_SUPPRESS_DEFINE_CHECK)
/* #include will sometimes silently fail when __has_include is used */
/* https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80753 */
#pragma message("Possible failure to include lv_conf.h, please read the comment in this file if you get errors")
#endif
#endif
#ifdef CONFIG_LV_COLOR_DEPTH
#define LV_KCONFIG_PRESENT
#endif
/*----------------------------------
* Start parsing lv_conf_template.h
-----------------------------------*/
'''
)
started = 0
for line in fin.read().splitlines():
if not started:
if '#define LV_CONF_H' in line:
started = 1
continue
else:
continue
if '/*--END OF LV_CONF_H--*/' in line: break
#Is there a #define in this line?
r = re.search(r'^([\s]*)#[\s]*(undef|define)[\s]+([^\s]+).*$', line) # \s means any white space character
if r:
indent = r[1]
name = r[3]
name = re.sub('\(.*?\)', '', name, 1) #remove parentheses from macros. E.g. MY_FUNC(5) -> MY_FUNC
line = re.sub('[\s]*', '', line, 1)
#If the value should be 1 (enabled) by default use a more complex structure for Kconfig checks because
#if a not defined CONFIG_... value should be interpreted as 0 and not the LVGL default
is_one = re.search(r'#[\s]*define[\s]*[A-Z0-9_]+[\s]+1([\s]*$|[\s]+)', line)
if is_one:
#1. Use the value if already set from lv_conf.h or anything else (i.e. do nothing)
#2. In Kconfig environment use the CONFIG_... value if set, else use 0
#3. In not Kconfig environment use the LVGL's default value
fout.write(
f'{indent}#ifndef {name}\n'
f'{indent} #ifdef LV_KCONFIG_PRESENT\n'
f'{indent} #ifdef CONFIG_{name.upper()}\n'
f'{indent} #define {name} CONFIG_{name.upper()}\n'
f'{indent} #else\n'
f'{indent} #define {name} 0\n'
f'{indent} #endif\n'
f'{indent} #else\n'
f'{indent} {line}\n'
f'{indent} #endif\n'
f'{indent}#endif\n'
)
else:
#1. Use the value if already set from lv_conf.h or anything else (i.e. do nothing)
#2. Use the Kconfig value if set
#3. Use the LVGL's default value
fout.write(
f'{indent}#ifndef {name}\n'
f'{indent} #ifdef CONFIG_{name.upper()}\n'
f'{indent} #define {name} CONFIG_{name.upper()}\n'
f'{indent} #else\n'
f'{indent} {line}\n'
f'{indent} #endif\n'
f'{indent}#endif\n'
)
elif re.search('^ *typedef .*;.*$', line):
continue #ignore typedefs to avoid redeclaration
else:
fout.write(f'{line}\n')
fout.write(
r'''
/*----------------------------------
* End of parsing lv_conf_template.h
-----------------------------------*/
#ifndef __ASSEMBLY__
LV_EXPORT_CONST_INT(LV_DPI_DEF);
LV_EXPORT_CONST_INT(LV_DRAW_BUF_STRIDE_ALIGN);
LV_EXPORT_CONST_INT(LV_DRAW_BUF_ALIGN);
#endif
#undef LV_KCONFIG_PRESENT
/* Set some defines if a dependency is disabled. */
#if LV_USE_LOG == 0
#define LV_LOG_LEVEL LV_LOG_LEVEL_NONE
#define LV_LOG_TRACE_MEM 0
#define LV_LOG_TRACE_TIMER 0
#define LV_LOG_TRACE_INDEV 0
#define LV_LOG_TRACE_DISP_REFR 0
#define LV_LOG_TRACE_EVENT 0
#define LV_LOG_TRACE_OBJ_CREATE 0
#define LV_LOG_TRACE_LAYOUT 0
#define LV_LOG_TRACE_ANIM 0
#endif /*LV_USE_LOG*/
#if LV_USE_SYSMON == 0
#define LV_USE_PERF_MONITOR 0
#define LV_USE_MEM_MONITOR 0
#endif /*LV_USE_SYSMON*/
#ifndef LV_USE_LZ4
#define LV_USE_LZ4 (LV_USE_LZ4_INTERNAL || LV_USE_LZ4_EXTERNAL)
#endif
#ifndef LV_USE_THORVG
#define LV_USE_THORVG (LV_USE_THORVG_INTERNAL || LV_USE_THORVG_EXTERNAL)
#endif
#if LV_USE_OS
#if (LV_USE_FREETYPE || LV_USE_THORVG) && LV_DRAW_THREAD_STACK_SIZE < (32 * 1024)
#warning "Increase LV_DRAW_THREAD_STACK_SIZE to at least 32KB for FreeType or ThorVG."
#endif
#if defined(LV_DRAW_THREAD_STACKSIZE) && !defined(LV_DRAW_THREAD_STACK_SIZE)
#warning "LV_DRAW_THREAD_STACKSIZE was renamed to LV_DRAW_THREAD_STACK_SIZE. Please update lv_conf.h or run menuconfig again."
#define LV_DRAW_THREAD_STACK_SIZE LV_DRAW_THREAD_STACKSIZE
#endif
#endif
/*Allow only upper case letters and '/' ('/' is a special case for backward compatibility)*/
#define LV_FS_IS_VALID_LETTER(l) ((l) == '/' || ((l) >= 'A' && (l) <= 'Z'))
/* If running without lv_conf.h, add typedefs with default value. */
#ifdef LV_CONF_SKIP
#if defined(_MSC_VER) && !defined(_CRT_SECURE_NO_WARNINGS) /*Disable warnings for Visual Studio*/
#define _CRT_SECURE_NO_WARNINGS
#endif
#endif /*defined(LV_CONF_SKIP)*/
#endif /*LV_CONF_INTERNAL_H*/
'''
)
fin.close()
fout.close()