[processing] Do not require protothread module to use SPI with fibers

src/modm/platform/spi/at90_tiny_mega/module.lb

@@ -15,7 +15,7 @@ def get_properties(env):
     device = env[":target"]
     driver = device.get_driver("spi:avr")
     properties = {}
-    properties["use_fiber"] = env.get(":processing:protothread:use_fiber", False)
+    properties["use_fiber"] = env.query(":processing:fiber:__enabled", False)
     properties["target"] = device.identifier
     properties["partname"] = device.partname
     properties["driver"] = driver

src/modm/platform/spi/rp/module.lb

@@ -25,7 +25,7 @@ class Instance(Module):
     def build(self, env):
         env.substitutions = {
             "id": self.instance,
-            "use_fiber": env.get(":processing:protothread:use_fiber", False)
+            "use_fiber": env.query(":processing:fiber:__enabled", False)
         }
         env.outbasepath = "modm/src/modm/platform/spi"
 

src/modm/platform/spi/sam/module.lb

@@ -14,7 +14,7 @@ def get_properties(env):
     device = env[":target"]
     driver = device.get_driver("spi")
     properties = {}
-    properties["use_fiber"] = env.get(":processing:protothread:use_fiber", False)
+    properties["use_fiber"] = env.query(":processing:fiber:__enabled", False)
     properties["target"] = device.identifier
     properties["features"] = driver["feature"] if "feature" in driver else []
     return properties

src/modm/platform/spi/sam_x7x/module.lb

@@ -15,7 +15,7 @@
 def get_properties(env):
     device = env[":target"]
     properties = {}
-    properties["use_fiber"] = env.get(":processing:protothread:use_fiber", False)
+    properties["use_fiber"] = env.query(":processing:fiber:__enabled", False)
     properties["target"] = device.identifier
     return properties
 

src/modm/platform/spi/stm32/module.lb

@@ -16,7 +16,7 @@ def get_properties(env):
     device = env[":target"]
     driver = device.get_driver("spi")
     properties = {}
-    properties["use_fiber"] = env.get(":processing:protothread:use_fiber", False)
+    properties["use_fiber"] = env.query(":processing:fiber:__enabled", False)
     properties["target"] = device.identifier
     properties["features"] = driver["feature"] if "feature" in driver else []
     return properties

src/modm/platform/spi/stm32_uart/module.lb

@@ -17,7 +17,7 @@ def get_properties(env):
         "target": device.identifier,
         "driver": driver,
         "over8_sampling": ("feature" in driver) and ("over8" in driver["feature"]),
-        "use_fiber": env.get(":processing:protothread:use_fiber", False),
+        "use_fiber": env.query(":processing:fiber:__enabled", False)
     }
     return properties
 

src/modm/processing/fiber/module.lb

@@ -2,7 +2,7 @@
 # -*- coding: utf-8 -*-
 #
 # Copyright (c) 2020, Erik Henriksson
-# Copyright (c) 2021, Christopher Durand
+# Copyright (c) 2021-2023, Christopher Durand
 # Copyright (c) 2021, Niklas Hauser
 #
 # This file is part of the modm project.
@@ -16,9 +16,16 @@ def init(module):
     module.name = ":processing:fiber"
     module.description = FileReader("module.md")
 
+def is_enabled(env):
+    return env.get(":processing:protothread:use_fiber", False) or \
+        not env.has_module(":processing:protothread")
 
 def prepare(module, options):
     module.depends(":processing:timer")
+
+    module.add_query(
+        EnvironmentQuery(name="__enabled", factory=is_enabled))
+
     # No ARM64 support yet!
     return "arm64" not in options[":target"].get_driver("core")["type"]
 

src/modm/processing/resumable/module.lb

@@ -29,7 +29,7 @@ def prepare(module, options):
 
 def build(env):
     env.outbasepath = "modm/src/modm/processing/resumable"
-    if env.get(":processing:protothread:use_fiber", False):
+    if env.query(":processing:fiber:__enabled", False):
         env.copy("macros_fiber.hpp", "macros.hpp")
         env.copy("resumable_fiber.hpp", "resumable.hpp")
     else: