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AlexaDevice: capability array, linked list, a directive handler with the device in hand

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onDirective(handler) registers void handler(AlexaDirective&): the directive comes with its device, the
capability it is for, namespace, name, instance, correlationToken and payload, and response() and
stateReport() build the answer, so one function serves several devices. registerEvent() is kept; the
five examples compile unchanged and announce the same discovery objects.
Devices are a linked list on the bridge and a device holds ALEX2ESP_MAX_CAPABILITIES (8) capability
pointers in place of two std::deque; one capability more is refused with an error.
A device without a handler, and a handler that sends nothing for a capability the device lacks, are
answered with the ErrorResponse INVALID_DIRECTIVE instead of a timeout. A directive whose endpointId is
not a device of the sketch is ignored at DEBUG.
basicLight on a D1 mini: static RAM 30,672 -> 30,600 B, flash 332,541 -> 333,437 B, 0 warnings in the five
examples; 88 host tests (11 new, test/test_dispatch).

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>
This commit is contained in:
David 2026-09-28 19:45:57 +00:00
parent 7afc4346e8
commit d3e7ee7f2a
10 changed files with 767 additions and 67 deletions
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7
platformio.ini
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@ -1,8 +1,9 @@
; Development project of the library itself. A sketch does not need this file: it gets the library through
; lib_deps (readme.md, Quick Start).
;
; pio test -e native host tests of the bridge logic (src/AlexaBridgeLogic.cpp) and of discovery
; (src/AlexaDevice.cpp, src/AlexaCapability.cpp, src/AlexaInterfaces.cpp); no board, no broker
; pio test -e native host tests of the bridge logic (src/AlexaBridgeLogic.cpp), of discovery and of dispatch
; (src/AlexaDevice.cpp, src/AlexaCapability.cpp, src/AlexaInterfaces.cpp,
; src/AlexaStatusMessage.cpp); no board, no broker
[platformio]
default_envs = native
@ -12,7 +13,7 @@ platform = native
test_framework = unity
; Only the sources without a hardware dependency are compiled with the tests
test_build_src = yes
build_src_filter = -<*> +<AlexaBridgeLogic.cpp> +<AlexaCapability.cpp> +<AlexaDevice.cpp> +<AlexaInterfaces.cpp> +<AlexaLog.cpp>
build_src_filter = -<*> +<AlexaBridgeLogic.cpp> +<AlexaCapability.cpp> +<AlexaDevice.cpp> +<AlexaInterfaces.cpp> +<AlexaLog.cpp> +<AlexaStatusMessage.cpp>
lib_deps =
bblanchon/ArduinoJson@^7
; test/host_arduino holds the Arduino.h of the host: String, Print and Serial