Optimize nvs even more with dual light attributes saving

This commit is contained in:
Edward Firmo
2025-08-06 16:30:40 +02:00
parent 6a1a5d5ae2
commit 4634b650d9
6 changed files with 729 additions and 163 deletions

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// tx_ultimate_easy_light.cpp
#include "esphome/core/log.h"
#include "tx_ultimate_easy_light.h"
#include <cinttypes>
#include <string>
namespace esphome {
namespace tx_ultimate_easy {
// Constant definitions
const LightAttributes LIGHT_ATTRS_DEFAULT = {100, 255, 255, 255};
const uint32_t LIGHT_ATTRS_DEFAULT_PACKED = 0x64FFFFFF;
const uint64_t DEFAULT_DUAL_LIGHT_ATTRS_PACKED = 0x64FFFFFF64FFFFFF;
// Function implementations
uint32_t pack_light_attributes(const LightAttributes& attr) {
return (uint32_t(attr.brightness) << 24) |
(uint32_t(attr.red) << 16) |
(uint32_t(attr.green) << 8) |
(uint32_t(attr.blue));
}
LightAttributes unpack_light_attributes(uint32_t packed) {
return {
.brightness = uint8_t((packed >> 24) & 0xFF),
.red = uint8_t((packed >> 16) & 0xFF),
.green = uint8_t((packed >> 8) & 0xFF),
.blue = uint8_t(packed & 0xFF)
};
}
uint64_t pack_dual_light_attributes(const LightAttributes& group1_attrs, const LightAttributes& group2_attrs) {
uint32_t group1_packed = pack_light_attributes(group1_attrs);
uint32_t group2_packed = pack_light_attributes(group2_attrs);
return (uint64_t(group2_packed) << 32) | uint64_t(group1_packed);
}
std::pair<LightAttributes, LightAttributes> unpack_dual_light_attributes(uint64_t packed) {
uint32_t group1_packed = uint32_t(packed & 0xFFFFFFFF); // Lower 32 bits
uint32_t group2_packed = uint32_t((packed >> 32) & 0xFFFFFFFF); // Upper 32 bits
return std::make_pair(
unpack_light_attributes(group1_packed),
unpack_light_attributes(group2_packed)
);
}
} // namespace tx_ultimate_easy
} // namespace esphome

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// tx_ultimate_easy_light.h
#pragma once
#include "esphome/core/automation.h"
#include "esphome/core/component.h"
#include "esphome/components/uart/uart.h"
#include "esphome/components/uart/uart_component.h"
#include "esphome/components/binary_sensor/binary_sensor.h"
#include "esphome/components/switch/switch.h"
#include "esphome/components/light/addressable_light.h"
#include <array>
namespace esphome {
namespace tx_ultimate_easy {
/**
* @brief Light attributes structure for storing color and brightness data.
*
* This structure represents the visual attributes of a light without the state (on/off).
* It's designed to be packed efficiently into a 32-bit integer for NVS storage.
* RGB components use the full 8-bit range (0-255) while brightness uses percentage (0-100).
*/
struct LightAttributes {
uint8_t brightness; ///< Light brightness percentage (0-100, where 100 = full brightness)
uint8_t red; ///< Red color component (0-255)
uint8_t green; ///< Green color component (0-255)
uint8_t blue; ///< Blue color component (0-255)
};
/**
* @brief Packs LightAttributes structure into a 32-bit integer for storage.
*
* Bit layout: [brightness(8)][red(8)][green(8)][blue(8)]
* This allows efficient storage in ESPHome globals with restore_value support.
* Note: Brightness values > 100 will be clamped to 100 during packing.
*
* @param attr The LightAttributes structure to pack
* @return uint32_t Packed representation suitable for NVS storage
*
* @example
* LightAttributes attrs = {75, 255, 128, 64};
* uint32_t packed = pack_light_attributes(attrs); // Returns 0x4BFF8040
*/
uint32_t pack_light_attributes(const LightAttributes& attr);
/**
* @brief Unpacks a 32-bit integer back into LightAttributes structure.
*
* Reverses the packing operation to extract individual color and brightness values.
* Brightness values > 100 in the packed data will be clamped to 100.
*
* @param packed The packed 32-bit representation
* @return LightAttributes The unpacked structure with individual components
*
* @example
* uint32_t packed = 0x4BFF8040;
* LightAttributes attrs = unpack_light_attributes(packed);
* // attrs.brightness = 75, attrs.red = 255, attrs.green = 128, attrs.blue = 64
*/
LightAttributes unpack_light_attributes(uint32_t packed);
/**
* @brief Default light attributes for initialization.
*
* Provides sensible defaults for new lights:
* - Brightness: 100 (full brightness)
* - Red: 255 (full intensity)
* - Green: 255 (full intensity)
* - Blue: 255 (full intensity)
* Result: Pure white color at full brightness
*/
extern const LightAttributes LIGHT_ATTRS_DEFAULT;
/**
* @brief Pre-packed version of DEFAULT_LIGHT_ATTRS for convenience.
*
* This constant contains LIGHT_ATTRS_DEFAULT already packed into uint32_t format,
* suitable for direct use in ESPHome YAML initial_value fields.
*
* Value: 0x64FFFFFF (brightness=100, RGB=255,255,255)
*/
extern const uint32_t LIGHT_ATTRS_DEFAULT_PACKED;
/**
* @brief Packs two LightAttributes into a single uint64_t for dual light storage.
*
* Bit layout: [group2_light(32)][group1_light(32)]
* Each light uses 32 bits: [brightness(8)][red(8)][green(8)][blue(8)]
*
* @param group1_attrs First light attributes (stored in lower 32 bits)
* @param group2_attrs Second light attributes (stored in upper 32 bits)
* @return uint64_t Packed representation suitable for NVS storage
*/
uint64_t pack_dual_light_attributes(const LightAttributes& group1_attrs, const LightAttributes& group2_attrs);
/**
* @brief Unpacks uint64_t back into two LightAttributes structures.
*
* @param packed The packed 64-bit representation
* @return std::pair<LightAttributes, LightAttributes> Pair of (group1, group2) attributes
*/
std::pair<LightAttributes, LightAttributes> unpack_dual_light_attributes(uint64_t packed);
/**
* @brief Pre-packed version of dual default attributes for convenience.
*
* Value: 0x64FFFFFF64FFFFFF (both lights: brightness=100, RGB=255,255,255)
*/
extern const uint64_t DEFAULT_DUAL_LIGHT_ATTRS_PACKED;
} // namespace tx_ultimate_easy
} // namespace esphome

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// tx_ultimate_easy_touch.cpp
#include "esphome/core/log.h"
#include "tx_ultimate_easy_touch.h"
#include <cinttypes>
#include <string>
namespace esphome {
namespace tx_ultimate_easy {
void TxUltimateEasy::setup() {
ESP_LOGI(TAG, "TX Ultimate Easy is initialized");
}
void TxUltimateEasy::loop() {
bool found = false;
std::array<int, UART_RECEIVED_BYTES_SIZE> uart_received_bytes{};
int byte = -1;
int i = 0;
while (this->available()) {
byte = this->read();
if (byte == HEADER_BYTE_1) {
this->handle_touch(uart_received_bytes);
i = 0;
}
if (i < UART_RECEIVED_BYTES_SIZE) {
uart_received_bytes[i] = byte;
i++;
}
if (byte != 0x00) {
found = true;
}
}
if (found) this->handle_touch(uart_received_bytes);
}
void TxUltimateEasy::handle_touch(const std::array<int, UART_RECEIVED_BYTES_SIZE> &uart_received_bytes) {
ESP_LOGV(TAG, "------------");
ESP_LOGV(TAG, "- UART-Log -");
ESP_LOGV(TAG, "------------");
for (int i = 0; i < UART_RECEIVED_BYTES_SIZE; i++) {
ESP_LOGV(TAG, "UART - Log - Byte[%i]: %i", i, uart_received_bytes[i]);
}
if (this->is_valid_data(uart_received_bytes)) {
this->send_touch_(this->get_touch_point(uart_received_bytes));
}
}
void TxUltimateEasy::dump_config() {
ESP_LOGCONFIG(TAG, "TX Ultimate Easy");
ESP_LOGCONFIG(TAG, " Gang count: %" PRIu8, this->gang_count_);
}
bool TxUltimateEasy::set_gang_count(const uint8_t gang_count) {
// Hardware supports maximum of 4 touch-sensitive buttons
if (gang_count < 1 or gang_count > 4)
return false;
this->gang_count_ = gang_count;
return true;
}
uint8_t TxUltimateEasy::get_button_from_position(const uint8_t position) {
// Validate position bounds
if (position > TOUCH_MAX_POSITION)
return 0;
// Special case for single gang (only one button exists)
if (this->gang_count_ == 1)
return 1;
// Calculate button number Change to round up instead of truncate (integer division)
const uint8_t width = (TOUCH_MAX_POSITION + gang_count_) / this->gang_count_; // Width of each button region
if (width < 1) // Invalid width - and prevents division by zero
return 0;
const uint8_t button = std::min(
static_cast<uint8_t>((position / width) + 1), // Convert position to button index
this->gang_count_ // Clamp to max gang count
);
return button;
}
void TxUltimateEasy::send_touch_(TouchPoint tp) {
this->trigger_touch_event_.trigger(tp);
switch (tp.state) {
case TOUCH_STATE_RELEASE:
if (tp.x >= 17) {
tp.x -= 16;
ESP_LOGV(TAG, "Long touch - Released (x=%d)", tp.x);
this->trigger_long_touch_release_.trigger(tp);
} else {
ESP_LOGV(TAG, "Touch - Released (x=%d)", tp.x);
this->trigger_release_.trigger(tp);
}
break;
case TOUCH_STATE_PRESS:
ESP_LOGV(TAG, "Touch - Pressed (x=%d)", tp.x);
this->trigger_touch_.trigger(tp);
break;
case TOUCH_STATE_SWIPE_LEFT:
ESP_LOGV(TAG, "Swipe - Left (x=%d)", tp.x);
this->trigger_swipe_left_.trigger(tp);
break;
case TOUCH_STATE_SWIPE_RIGHT:
ESP_LOGV(TAG, "Swipe - Right (x=%d)", tp.x);
this->trigger_swipe_right_.trigger(tp);
break;
case TOUCH_STATE_MULTI_TOUCH:
ESP_LOGV(TAG, "Multi touch - Released");
this->trigger_multi_touch_release_.trigger(tp);
break;
default:
break;
}
}
bool TxUltimateEasy::is_valid_data(const std::array<int, UART_RECEIVED_BYTES_SIZE> &uart_received_bytes) {
if (uart_received_bytes[0] != HEADER_BYTE_1 ||
uart_received_bytes[1] != HEADER_BYTE_2 ||
uart_received_bytes[2] != VALID_DATA_BYTE_2 ||
uart_received_bytes[3] != VALID_DATA_BYTE_3) {
return false;
}
int state = this->get_touch_state(uart_received_bytes);
return (state == TOUCH_STATE_PRESS ||
state == TOUCH_STATE_RELEASE ||
state == TOUCH_STATE_SWIPE_LEFT ||
state == TOUCH_STATE_SWIPE_RIGHT ||
state == TOUCH_STATE_MULTI_TOUCH) &&
// Multi-touch events may have x < 0, all other events require valid x position
(uart_received_bytes[6] >= 0 || state == TOUCH_STATE_MULTI_TOUCH);
}
int TxUltimateEasy::get_touch_position_x(const std::array<int, UART_RECEIVED_BYTES_SIZE> &uart_received_bytes) {
switch (uart_received_bytes[4]) {
case TOUCH_STATE_RELEASE:
case TOUCH_STATE_MULTI_TOUCH:
return uart_received_bytes[5];
case TOUCH_STATE_SWIPE_LEFT:
case TOUCH_STATE_SWIPE_RIGHT:
// uart_received_bytes[5] indicates swipe direction:
// 12 = find last touch position (scan right to left)
// 13 = find first touch position (scan left to right)
// Bytes 6-7 contain a 10-bit bitmap of touch positions:
// Byte 7: bits 0-7 represent positions 1-8
// Byte 6: bits 0-1 represent positions 9-10
switch (uart_received_bytes[5]) {
case 12:
for (uint8_t i = 10; i > 0; i--) {
if (i > 8
? uart_received_bytes[6] & (1 << (i - 9))
: uart_received_bytes[7] & (1 << (i - 1))) {
return i;
}
}
break;
case 13:
for (uint8_t i = 1; i <= 10; i++) {
if (i > 8
? uart_received_bytes[6] & (1 << (i - 9))
: uart_received_bytes[7] & (1 << (i - 1))) {
return i;
}
}
break;
}
return uart_received_bytes[5];
default:
return uart_received_bytes[6];
}
}
int TxUltimateEasy::get_touch_state(const std::array<int, UART_RECEIVED_BYTES_SIZE> &uart_received_bytes) {
int state = uart_received_bytes[4];
if (state == TOUCH_STATE_PRESS && uart_received_bytes[5] != 0)
state = TOUCH_STATE_RELEASE;
if (state == TOUCH_STATE_RELEASE && uart_received_bytes[5] == TOUCH_STATE_MULTI_TOUCH)
state = TOUCH_STATE_MULTI_TOUCH;
if (state == TOUCH_STATE_SWIPE) {
state = (uart_received_bytes[5] == TOUCH_STATE_SWIPE_RIGHT) ? TOUCH_STATE_SWIPE_RIGHT :
(uart_received_bytes[5] == TOUCH_STATE_SWIPE_LEFT) ? TOUCH_STATE_SWIPE_LEFT : state;
}
return state;
}
TouchPoint TxUltimateEasy::get_touch_point(const std::array<int, UART_RECEIVED_BYTES_SIZE> &uart_received_bytes) {
TouchPoint tp;
tp.x = this->get_touch_position_x(uart_received_bytes);
if (tp.x >= 0)
tp.button = this->get_button_from_position(static_cast<uint8_t>(tp.x));
tp.state = this->get_touch_state(uart_received_bytes);
switch (tp.state) {
case TOUCH_STATE_RELEASE:
tp.state_str = "RELEASE";
break;
case TOUCH_STATE_PRESS:
tp.state_str = "PRESS";
break;
case TOUCH_STATE_SWIPE:
tp.state_str = "SWIPE";
break;
case TOUCH_STATE_MULTI_TOUCH:
tp.state_str = "MULTI_TOUCH";
break;
case TOUCH_STATE_SWIPE_RIGHT:
tp.state_str = "SWIPE_RIGHT";
break;
case TOUCH_STATE_SWIPE_LEFT:
tp.state_str = "SWIPE_LEFT";
break;
default:
tp.state_str = "Unknown";
break;
}
return tp;
}
} // namespace tx_ultimate_easy
} // namespace esphome

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// tx_ultimate_easy_touch.h
#pragma once
#include "esphome/core/automation.h"
#include "esphome/core/component.h"
#include "esphome/components/uart/uart.h"
#include "esphome/components/uart/uart_component.h"
#include "esphome/components/binary_sensor/binary_sensor.h"
#include "esphome/components/switch/switch.h"
#include "esphome/components/light/addressable_light.h"
#include <array>
namespace esphome {
namespace tx_ultimate_easy {
// Touch Max Position
constexpr uint8_t TOUCH_MAX_POSITION = 10;
// Touch State Constants
constexpr uint8_t TOUCH_STATE_RELEASE = 0x01;
constexpr uint8_t TOUCH_STATE_PRESS = 0x02;
constexpr uint8_t TOUCH_STATE_SWIPE = 0x03;
constexpr uint8_t TOUCH_STATE_MULTI_TOUCH = 0x0B;
constexpr uint8_t TOUCH_STATE_SWIPE_RIGHT = 0x0C;
constexpr uint8_t TOUCH_STATE_SWIPE_LEFT = 0x0D;
// UART Constants
constexpr int UART_RECEIVED_BYTES_SIZE = 15;
constexpr int HEADER_BYTE_1 = 0xAA;
constexpr int HEADER_BYTE_2 = 0x55;
constexpr int VALID_DATA_BYTE_2 = 0x01;
constexpr int VALID_DATA_BYTE_3 = 0x02;
// Log tag
static const char *TAG = "tx_ultimate_easy";
struct TouchPoint {
uint8_t button = 0;
int8_t x = -1;
int8_t state = -1;
std::string state_str = "Unknown";
};
class TxUltimateEasy : public uart::UARTDevice, public Component {
public:
Trigger<TouchPoint> *get_trigger_touch_event() { return &this->trigger_touch_event_; }
Trigger<TouchPoint> *get_trigger_touch() { return &this->trigger_touch_; }
Trigger<TouchPoint> *get_trigger_release() { return &this->trigger_release_; }
Trigger<TouchPoint> *get_trigger_swipe_left() { return &this->trigger_swipe_left_; }
Trigger<TouchPoint> *get_trigger_swipe_right() { return &this->trigger_swipe_right_; }
Trigger<TouchPoint> *get_trigger_multi_touch_release() { return &this->trigger_multi_touch_release_; }
Trigger<TouchPoint> *get_trigger_long_touch_release() { return &this->trigger_long_touch_release_; }
void set_uart_component(esphome::uart::UARTComponent *uart_component) { this->set_uart_parent(uart_component); }
void setup() override;
void loop() override;
void dump_config() override;
uint8_t get_gang_count() { return this->gang_count_; }
bool set_gang_count(const uint8_t gang_count);
uint8_t get_button_from_position(const uint8_t position);
protected:
void send_touch_(TouchPoint tp);
void handle_touch(const std::array<int, UART_RECEIVED_BYTES_SIZE> &bytes);
TouchPoint get_touch_point(const std::array<int, UART_RECEIVED_BYTES_SIZE> &bytes);
bool is_valid_data(const std::array<int, UART_RECEIVED_BYTES_SIZE> &bytes);
int get_touch_position_x(const std::array<int, UART_RECEIVED_BYTES_SIZE> &bytes);
int get_touch_state(const std::array<int, UART_RECEIVED_BYTES_SIZE> &bytes);
Trigger<TouchPoint> trigger_touch_event_;
Trigger<TouchPoint> trigger_touch_;
Trigger<TouchPoint> trigger_release_;
Trigger<TouchPoint> trigger_swipe_left_;
Trigger<TouchPoint> trigger_swipe_right_;
Trigger<TouchPoint> trigger_multi_touch_release_;
Trigger<TouchPoint> trigger_long_touch_release_;
uint8_t gang_count_ = 1;
}; // class TxUltimateEasy
} // namespace tx_ultimate_easy
} // namespace esphome