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Code Issues Releases Wiki Activity

[uart] Optimize UART components to eliminate temporary vector allocations (#11570)

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Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
This commit is contained in:
J. Nick Koston
2025-10-28 15:48:20 -05:00
committed by GitHub
parent 7ed7e7ad26
commit f1bce262ed
6 changed files with 17 additions and 10 deletions
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2
esphome/components/uart/__init__.py
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@@ -446,7 +446,7 @@ async def uart_write_to_code(config, action_id, template_arg, args):
templ = await cg.templatable(data, args, cg.std_vector.template(cg.uint8))
cg.add(var.set_data_template(templ))
else:
cg.add(var.set_data_static(data))
cg.add(var.set_data_static(cg.ArrayInitializer(*data)))
return var

8
esphome/components/uart/automation.h
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@@ -14,8 +14,12 @@ template<typename... Ts> class UARTWriteAction : public Action<Ts...>, public Pa
this->data_func_ = func;
this->static_ = false;
}
void set_data_static(const std::vector<uint8_t> &data) {
this->data_static_ = data;
void set_data_static(std::vector<uint8_t> &&data) {
this->data_static_ = std::move(data);
this->static_ = true;
}
void set_data_static(std::initializer_list<uint8_t> data) {
this->data_static_ = std::vector<uint8_t>(data);
this->static_ = true;
}

2
esphome/components/uart/button/__init__.py
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@@ -33,4 +33,4 @@ async def to_code(config):
data = config[CONF_DATA]
if isinstance(data, bytes):
data = [HexInt(x) for x in data]
cg.add(var.set_data(data))
cg.add(var.set_data(cg.ArrayInitializer(*data)))

3
esphome/components/uart/button/uart_button.h
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@@ -11,7 +11,8 @@ namespace uart {
class UARTButton : public button::Button, public UARTDevice, public Component {
public:
void set_data(const std::vector<uint8_t> &data) { this->data_ = data; }
void set_data(std::vector<uint8_t> &&data) { this->data_ = std::move(data); }
void set_data(std::initializer_list<uint8_t> data) { this->data_ = std::vector<uint8_t>(data); }
void dump_config() override;

6
esphome/components/uart/switch/__init__.py
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@@ -44,16 +44,16 @@ async def to_code(config):
if data_on := data.get(CONF_TURN_ON):
if isinstance(data_on, bytes):
data_on = [HexInt(x) for x in data_on]
cg.add(var.set_data_on(data_on))
cg.add(var.set_data_on(cg.ArrayInitializer(*data_on)))
if data_off := data.get(CONF_TURN_OFF):
if isinstance(data_off, bytes):
data_off = [HexInt(x) for x in data_off]
cg.add(var.set_data_off(data_off))
cg.add(var.set_data_off(cg.ArrayInitializer(*data_off)))
else:
data = config[CONF_DATA]
if isinstance(data, bytes):
data = [HexInt(x) for x in data]
cg.add(var.set_data_on(data))
cg.add(var.set_data_on(cg.ArrayInitializer(*data)))
cg.add(var.set_single_state(True))
if CONF_SEND_EVERY in config:
cg.add(var.set_send_every(config[CONF_SEND_EVERY]))

6
esphome/components/uart/switch/uart_switch.h
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@@ -14,8 +14,10 @@ class UARTSwitch : public switch_::Switch, public UARTDevice, public Component {
public:
void loop() override;
void set_data_on(const std::vector<uint8_t> &data) { this->data_on_ = data; }
void set_data_off(const std::vector<uint8_t> &data) { this->data_off_ = data; }
void set_data_on(std::vector<uint8_t> &&data) { this->data_on_ = std::move(data); }
void set_data_on(std::initializer_list<uint8_t> data) { this->data_on_ = std::vector<uint8_t>(data); }
void set_data_off(std::vector<uint8_t> &&data) { this->data_off_ = std::move(data); }
void set_data_off(std::initializer_list<uint8_t> data) { this->data_off_ = std::vector<uint8_t>(data); }
void set_send_every(uint32_t send_every) { this->send_every_ = send_every; }
void set_single_state(bool single) { this->single_state_ = single; }