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Code Issues Releases Wiki Activity

[nextion] Adds a command pacer with command_spacing attribute (#7948)

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Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
This commit is contained in:
Edward Firmo
2025-05-05 10:08:16 +02:00
committed by GitHub
parent 6f35d0ac88
commit 8bbc509b0b
5 changed files with 120 additions and 21 deletions
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50
esphome/components/nextion/nextion.h
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@@ -35,8 +35,54 @@ using nextion_writer_t = std::function<void(Nextion &)>;
static const std::string COMMAND_DELIMITER{static_cast<char>(255), static_cast<char>(255), static_cast<char>(255)};
#ifdef USE_NEXTION_COMMAND_SPACING
class NextionCommandPacer {
public:
/**
* @brief Creates command pacer with initial spacing
* @param initial_spacing Initial time between commands in milliseconds
*/
explicit NextionCommandPacer(uint8_t initial_spacing = 0) : spacing_ms_(initial_spacing) {}
/**
* @brief Set the minimum time between commands
* @param spacing_ms Spacing in milliseconds
*/
void set_spacing(uint8_t spacing_ms) { spacing_ms_ = spacing_ms; }
/**
* @brief Get current command spacing
* @return Current spacing in milliseconds
*/
uint8_t get_spacing() const { return spacing_ms_; }
/**
* @brief Check if enough time has passed to send next command
* @return true if enough time has passed since last command
*/
bool can_send() const { return (millis() - last_command_time_) >= spacing_ms_; }
/**
* @brief Mark a command as sent, updating the timing
*/
void mark_sent() { last_command_time_ = millis(); }
private:
uint8_t spacing_ms_;
uint32_t last_command_time_{0};
};
#endif // USE_NEXTION_COMMAND_SPACING
class Nextion : public NextionBase, public PollingComponent, public uart::UARTDevice {
public:
#ifdef USE_NEXTION_COMMAND_SPACING
/**
* @brief Set the command spacing for the display
* @param spacing_ms Time in milliseconds between commands
*/
void set_command_spacing(uint32_t spacing_ms) { this->command_pacer_.set_spacing(spacing_ms); }
#endif // USE_NEXTION_COMMAND_SPACING
/**
* Set the text of a component to a static string.
* @param component The component name.
@@ -1227,6 +1273,9 @@ class Nextion : public NextionBase, public PollingComponent, public uart::UARTDe
bool is_connected() { return this->is_connected_; }
protected:
#ifdef USE_NEXTION_COMMAND_SPACING
NextionCommandPacer command_pacer_{0};
#endif // USE_NEXTION_COMMAND_SPACING
std::deque<NextionQueue *> nextion_queue_;
std::deque<NextionQueue *> waveform_queue_;
uint16_t recv_ret_string_(std::string &response, uint32_t timeout, bool recv_flag);
@@ -1360,5 +1409,6 @@ class Nextion : public NextionBase, public PollingComponent, public uart::UARTDe
uint32_t started_ms_ = 0;
bool sent_setup_commands_ = false;
};
} // namespace nextion
} // namespace esphome