adds support for raspberry pi unix compilation.

Author: kdschlosser

builder/raspberry_pi.py

@@ -0,0 +1,82 @@
+
+import os
+
+from .unix import (
+    parse_args as _parse_args,
+    build_commands as _build_commands,
+    build_manifest as _build_manifest,
+    force_clean as _force_clean,
+    clean as _clean,
+    build_sdl as _build_sdl,
+    submodules as _submodules,
+    compile as _compile,
+    mpy_cross as _mpy_cross
+)
+
+from . import unix
+
+
+def parse_args(extra_args, lv_cflags, board):
+    return _parse_args(extra_args, lv_cflags, board)
+
+
+def build_commands(not_sure, extra_args, script_dir, lv_cflags, board):
+    return _build_commands(not_sure, extra_args, script_dir, lv_cflags, board)
+
+
+def build_manifest(not_sure, script_dir, lvgl_api, displays, indevs, frozen_manifest):
+    _build_manifest(not_sure, script_dir, lvgl_api, displays, indevs, frozen_manifest)
+
+
+def clean():
+    _clean()
+
+
+def force_clean(clean_mpy_cross):
+    _force_clean(clean_mpy_cross)
+
+
+def build_sdl(addl_commands):
+    if addl_commands.startswith('"') and addl_commands.endswith('"'):
+        addl_commands = addl_commands[1:-1]
+
+    if has_neon():
+        addl_commands += ' CFLAGS="-mfpu=neon"'
+
+    _build_sdl(addl_commands.strip())
+
+
+unix.build_sdl = build_sdl
+
+
+def submodules():
+    _submodules()
+
+
+def compile(*args):  # NOQA
+    _compile(*args)
+
+
+def mpy_cross():
+    _mpy_cross()
+
+
+def has_neon():
+    """
+    Features : half thumb fastmult vfp edsp neon vfpv3 tls vfpv4 idiva idivt vfpd32 lpae evtstrm crc32
+    """
+
+    res = False
+
+    with os.popen('cat /proc/cpuinfo') as file:
+        for line in file:
+            if not line.startswith('Features'):
+                continue
+
+            features = line.split(':')[-1].strip().split(' ')
+            res = 'neon' in features
+
+            if res:
+                break
+
+    return res

builder/unix.py

@@ -154,7 +154,7 @@ def _run(c, spinner=False, cmpl=False):
         sys.exit(res)
 
 
-def build_sdl():
+def build_sdl(addl_commands):
     dst = f'lib/micropython/ports/unix/build-{variant}/SDL'
 
     if not os.path.exists(dst):
@@ -167,7 +167,7 @@ def build_sdl():
     cmd_ = [
         [
             f'cmake -DSDL_STATIC=ON -DSDL_SHARED=OFF '
-            f'-DCMAKE_BUILD_TYPE=Release {sdl_flags} {SCRIPT_PATH}/lib/SDL'
+            f'-DCMAKE_BUILD_TYPE=Release {addl_commands} {SCRIPT_PATH}/lib/SDL'
         ],
         [f'cmake --build . --config Release --parallel {os.cpu_count()}']
     ]
@@ -407,7 +407,7 @@ def compile(*args):  # NOQA
     update_mpconfigport_mk()
     copy_updated_files()
 
-    build_sdl()
+    build_sdl(sdl_flags)
 
     cmd_ = compile_cmd[:]
     cmd_.extend(list(args))

make.py

@@ -18,7 +18,7 @@
     help='build target',
     choices=[
         'esp32', 'windows', 'stm32', 'unix', 'rp2',
-        'renesas-ra', 'nrf', 'mimxrt', 'samd', 'macOS'
+        'renesas-ra', 'nrf', 'mimxrt', 'samd', 'macOS', 'raspberry_pi'
     ],
     action='store',
     nargs=1
@@ -45,7 +45,7 @@
     default=None
 )
 
-if target in ('windows', 'unix'):
+if target in ('windows', 'unix', 'macOS', 'raspberry_pi'):
     argParser.add_argument(
         'VARIANT',
         dest='board',
@@ -188,6 +188,9 @@ def create_lvgl_header():
     elif target.lower() == 'macos':
         from builder import macOS as mod
         target = 'unix'
+    elif target.lower() == 'raspberry_pi':
+        from builder import raspberry_pi as mod
+        target = 'unix'
     elif target.lower() == 'windows':
         from builder import windows as mod
     else: