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Add climate IR Samsung component.

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This commit is contained in:
Georgi Filipov
2024-12-24 00:46:22 +02:00
parent 45beea68eb
commit e3e0f6f5cb
4 changed files with 470 additions and 0 deletions
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esphome/components/climate_ir_samsung/__init__.py Normal file
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esphome/components/climate_ir_samsung/climate.py Normal file
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import esphome.codegen as cg
from esphome.components import climate_ir
import esphome.config_validation as cv
from esphome.const import CONF_ID
CODEOWNERS = ["@jorofi"]
AUTO_LOAD = ["climate_ir"]
samsung_ns = cg.esphome_ns.namespace("samsung")
SamsungClimate = samsung_ns.class_("SamsungClimate", climate_ir.ClimateIR)
CONFIG_SCHEMA = climate_ir.CLIMATE_IR_WITH_RECEIVER_SCHEMA.extend(
{
cv.GenerateID(): cv.declare_id(SamsungClimate)
}
)
async def to_code(config):
var = cg.new_Pvariable(config[CONF_ID])
await climate_ir.register_climate_ir(var, config)

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esphome/components/climate_ir_samsung/climate_ir_samsung.cpp Normal file
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#include "climate_ir_samsung.h"
#include <thread>
#include <chrono>
/// Count the number of bits of a certain type in an array.
/// @param[in] start A ptr to the start of the byte array to calculate over.
/// @param[in] length How many bytes to use in the calculation.
/// @param[in] ones Count the binary nr of `1` bits. False is count the `0`s.
/// @param[in] init Starting value of the calculation to use. (Default is 0)
/// @return The nr. of bits found of the given type found in the array.
uint16_t countBits(const uint8_t * const start, const uint16_t length, const bool ones, const uint16_t init) {
uint16_t count = init;
for (uint16_t offset = 0; offset < length; offset++)
for (uint8_t currentbyte = *(start + offset); currentbyte; currentbyte >>= 1)
if (currentbyte & 1) count++;
if (ones || length == 0)
return count;
else
return (length * 8) - count;
}
/// Count the number of bits of a certain type in an Integer.
/// @param[in] data The value you want bits counted for. Starting from the LSB.
/// @param[in] length How many bits to use in the calculation? Starts at the LSB
/// @param[in] ones Count the binary nr of `1` bits. False is count the `0`s.
/// @param[in] init Starting value of the calculation to use. (Default is 0)
/// @return The nr. of bits found of the given type found in the Integer.
uint16_t countBits(const uint64_t data, const uint8_t length, const bool ones, const uint16_t init) {
uint16_t count = init;
uint8_t bitsSoFar = length;
for (uint64_t remainder = data; remainder && bitsSoFar; remainder >>= 1, bitsSoFar--)
if (remainder & 1) count++;
if (ones || length == 0)
return count;
else
return length - count;
}
namespace esphome {
namespace climate_ir_samsung {
void SamsungClimateIR::transmit_state() {
if(current_climate_mode != climate::ClimateMode::CLIMATE_MODE_OFF && this->mode == climate::ClimateMode::CLIMATE_MODE_OFF) {
setAndSendPowerState(false);
return;
}
if(current_climate_mode == climate::ClimateMode::CLIMATE_MODE_OFF && this->mode != climate::ClimateMode::CLIMATE_MODE_OFF) {
setAndSendPowerState(true);
std::this_thread::sleep_for(std::chrono::seconds(2));
}
current_climate_mode = this->mode;
setMode(this->mode);
setTemp(this->target_temperature);
setSwing(this->swing_mode);
setFan(this->fan_mode.has_value() ? this->fan_mode.value() : climate::CLIMATE_FAN_AUTO);
send();
}
/// Send the current state of the climate object.
void SamsungClimateIR::send() {
checksum();
auto transmit = this->transmitter_->transmit();
auto *data = transmit.get_data();
data->set_carrier_frequency(SAMSUNG_IR_FREQUENCY);
// Header
data->mark(SAMSUNG_AIRCON1_HDR_MARK);
data->space(SAMSUNG_AIRCON1_HDR_SPACE);
for (int i = 0; i < 21; i++)
{
if (i == 7 || i == 14)
{
data->mark(SAMSUNG_AIRCON1_BIT_MARK);
data->space(SAMSUNG_AIRCON1_MSG_SPACE);
data->mark(SAMSUNG_AIRCON1_HDR_MARK);
data->space(SAMSUNG_AIRCON1_HDR_SPACE);
}
uint8_t sendByte = protocol.raw[i];
for (int y = 0; y < 8; y++)
{
if (sendByte & 0x01)
{
// ESP_LOGI(TAG, "For Y %d 1", y);
data->mark(SAMSUNG_AIRCON1_BIT_MARK);
data->space(SAMSUNG_AIRCON1_ONE_SPACE);
}
else
{
// ESP_LOGI(TAG, "For Y %d 0", y);
data->mark(SAMSUNG_AIRCON1_BIT_MARK);
data->space(SAMSUNG_AIRCON1_ZERO_SPACE);
}
sendByte >>= 1;
}
}
data->mark(SAMSUNG_AIRCON1_BIT_MARK);
data->space(0);
transmit.perform();
}
/// Set the vertical swing setting of the A/C.
void SamsungClimateIR::setSwing(const climate::ClimateSwingMode swingMode) {
switch (swingMode) {
case climate::ClimateSwingMode::CLIMATE_SWING_BOTH:
protocol.Swing = kSamsungAcSwingBoth;
break;
case climate::ClimateSwingMode::CLIMATE_SWING_HORIZONTAL:
protocol.Swing = kSamsungAcSwingH;;
break;
case climate::ClimateSwingMode::CLIMATE_SWING_VERTICAL:
protocol.Swing = kSamsungAcSwingV;;
break;
case climate::ClimateSwingMode::CLIMATE_SWING_OFF:
default:
protocol.Swing = kSamsungAcSwingOff;;
break;
}
}
/// Set the operating mode of the A/C.
/// @param[in] climateMode The desired operating mode.
void SamsungClimateIR::setMode(const climate::ClimateMode climateMode) {
switch (climateMode) {
case climate::ClimateMode::CLIMATE_MODE_HEAT:
protocol.Mode = kSamsungAcHeat;
break;
case climate::ClimateMode::CLIMATE_MODE_DRY:
protocol.Mode = kSamsungAcDry;
break;
case climate::ClimateMode::CLIMATE_MODE_COOL:
protocol.Mode = kSamsungAcCool;
break;
case climate::ClimateMode::CLIMATE_MODE_FAN_ONLY:
protocol.Mode = kSamsungAcFan;
break;
case climate::ClimateMode::CLIMATE_MODE_HEAT_COOL:
case climate::ClimateMode::CLIMATE_MODE_AUTO:
default:
protocol.Mode = kSamsungAcAuto;
break;
}
}
/// Set the temperature.
/// @param[in] temp The temperature in degrees celsius.
void SamsungClimateIR::setTemp(const uint8_t temp) {
uint8_t newtemp = std::max(kSamsungAcMinTemp, temp);
newtemp = std::min(kSamsungAcMaxTemp, newtemp);
protocol.Temp = newtemp - kSamsungAcMinTemp;
}
/// Change the AC power state.
/// @param[in] on true, the AC is on. false, the AC is off.
void SamsungClimateIR::setAndSendPowerState(const bool on) {
static const uint8_t kOn[kSamsungAcExtendedStateLength] = {
0x02, 0x92, 0x0F, 0x00, 0x00, 0x00, 0xF0,
0x01, 0xD2, 0x0F, 0x00, 0x00, 0x00, 0x00,
0x01, 0xE2, 0xFE, 0x71, 0x80, 0x11, 0xF0};
static const uint8_t kOff[kSamsungAcExtendedStateLength] = {
0x02, 0xB2, 0x0F, 0x00, 0x00, 0x00, 0xC0,
0x01, 0xD2, 0x0F, 0x00, 0x00, 0x00, 0x00,
0x01, 0x02, 0xFF, 0x71, 0x80, 0x11, 0xC0};
std::memcpy(protocol.raw, on ? kOn : kOff, kSamsungAcExtendedStateLength);
send();
std::memcpy(protocol.raw, kReset, kSamsungAcExtendedStateLength);
}
/// Set the fan speed.
void SamsungClimateIR::setFan(const climate::ClimateFanMode fanMode) {
switch (fanMode) {
case climate::ClimateFanMode::CLIMATE_FAN_LOW:
protocol.Fan = kSamsungAcFanAuto;
break;
case climate::ClimateFanMode::CLIMATE_FAN_MEDIUM:
protocol.Fan = kSamsungAcFanMed;
break;
case climate::ClimateFanMode::CLIMATE_FAN_HIGH:
protocol.Fan = kSamsungAcFanHigh;
break;
case climate::ClimateFanMode::CLIMATE_FAN_AUTO:
default:
protocol.Fan = kSamsungAcFanAuto;
break;
}
}
/// Calculate the checksum for a given state section.
/// @param[in] section The array to calc the checksum of.
/// @return The calculated checksum value.
/// @see https://github.com/crankyoldgit/IRremoteESP8266/issues/1538#issuecomment-894645947
uint8_t SamsungClimateIR::calcSectionChecksum(const uint8_t *section) {
uint8_t sum = 0;
sum += countBits(*section, 8); // Include the entire first byte
// The lower half of the second byte.
sum += countBits(GETBITS8(*(section + 1), kLowNibble, kNibbleSize), 8);
// The upper half of the third byte.
sum += countBits(GETBITS8(*(section + 2), kHighNibble, kNibbleSize), 8);
// The next 4 bytes.
sum += countBits(section + 3, 4);
// Bitwise invert the result.
return sum ^ UINT8_MAX;
}
/// Update the checksum for the internal state.
void SamsungClimateIR::checksum(void) {
uint8_t sectionsum = calcSectionChecksum(protocol.raw);
protocol.Sum1Upper = GETBITS8(sectionsum, kHighNibble, kNibbleSize);
protocol.Sum1Lower = GETBITS8(sectionsum, kLowNibble, kNibbleSize);
sectionsum = calcSectionChecksum(protocol.raw + kSamsungAcSectionLength);
protocol.Sum2Upper = GETBITS8(sectionsum, kHighNibble, kNibbleSize);
protocol.Sum2Lower = GETBITS8(sectionsum, kLowNibble, kNibbleSize);
sectionsum = calcSectionChecksum(protocol.raw + kSamsungAcSectionLength * 2);
protocol.Sum3Upper = GETBITS8(sectionsum, kHighNibble, kNibbleSize);
protocol.Sum3Lower = GETBITS8(sectionsum, kLowNibble, kNibbleSize);
}
}}

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esphome/components/climate_ir_samsung/climate_ir_samsung.h Normal file
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#pragma once
#include "esphome/components/climate/climate_mode.h"
#include "esphome/components/climate_ir/climate_ir.h"
#define SAMSUNG_AIRCON1_HDR_MARK 3000
#define SAMSUNG_AIRCON1_HDR_SPACE 9000
#define SAMSUNG_AIRCON1_BIT_MARK 500
#define SAMSUNG_AIRCON1_ONE_SPACE 1500
#define SAMSUNG_AIRCON1_ZERO_SPACE 500
#define SAMSUNG_AIRCON1_MSG_SPACE 2000
#define GETBITS8(data, offset, size) \
(((data) & (((uint8_t)UINT8_MAX >> (8 - (size))) << (offset))) >> (offset))
uint16_t countBits(const uint8_t * const start, const uint16_t length, const bool ones = true, const uint16_t init = 0);
uint16_t countBits(const uint64_t data, const uint8_t length, const bool ones = true, const uint16_t init = 0);
namespace esphome {
namespace climate_ir_samsung {
static const char *const TAG = "samsung.climate";
static const uint32_t SAMSUNG_IR_FREQUENCY = 38000;
const uint16_t kSamsungAcExtendedStateLength = 21;
const uint16_t kSamsungAcSectionLength = 7;
// Temperature
const uint8_t kSamsungAcMinTemp = 16; // C Mask 0b11110000
const uint8_t kSamsungAcMaxTemp = 30; // C Mask 0b11110000
const uint8_t kSamsungAcAutoTemp = 25; // C Mask 0b11110000
// Mode
const uint8_t kSamsungAcAuto = 0;
const uint8_t kSamsungAcCool = 1;
const uint8_t kSamsungAcDry = 2;
const uint8_t kSamsungAcFan = 3;
const uint8_t kSamsungAcHeat = 4;
// Fan
const uint8_t kSamsungAcFanAuto = 0;
const uint8_t kSamsungAcFanLow = 2;
const uint8_t kSamsungAcFanMed = 4;
const uint8_t kSamsungAcFanHigh = 5;
const uint8_t kSamsungAcFanAuto2 = 6;
const uint8_t kSamsungAcFanTurbo = 7;
// Swing
const uint8_t kSamsungAcSwingV = 0b010;
const uint8_t kSamsungAcSwingH = 0b011;
const uint8_t kSamsungAcSwingBoth = 0b100;
const uint8_t kSamsungAcSwingOff = 0b111;
// Power
const uint8_t kNibbleSize = 4;
const uint8_t kLowNibble = 0;
const uint8_t kHighNibble = 4;
const uint8_t kModeBitsSize = 3;
// static const uint8_t kReset[kSamsungAcExtendedStateLength] = {0x02, 0x92, 0x0F, 0x00, 0x00, 0x00, 0xF0, 0x01, 0x02, 0xAE, 0x71, 0x00, 0x15, 0xF0};
static const uint8_t kReset[kSamsungAcExtendedStateLength] = {
0x02, 0x92, 0x0F, 0x00, 0x00, 0x00, 0xF0,
0x01, 0x02, 0xAE, 0x71, 0x00, 0x15, 0xF0};
/// Native representation of a Samsung A/C message.
union SamsungProtocol {
uint8_t raw[kSamsungAcExtendedStateLength]; ///< State in code form.
struct { // Standard message map
// Byte 0
uint8_t :8;
// Byte 1
uint8_t :4;
uint8_t :4; // Sum1Lower
// Byte 2
uint8_t :4; // Sum1Upper
uint8_t :4;
// Byte 3
uint8_t :8;
// Byte 4
uint8_t :8;
// Byte 5
uint8_t :4;
uint8_t Sleep5 :1;
uint8_t Quiet :1;
uint8_t :2;
// Byte 6
uint8_t :4;
uint8_t Power1 :2;
uint8_t :2;
// Byte 7
uint8_t :8;
// Byte 8
uint8_t :4;
uint8_t :4; // Sum2Lower
// Byte 9
uint8_t :4; // Sum1Upper
uint8_t Swing :3;
uint8_t :1;
// Byte 10
uint8_t :1;
uint8_t FanSpecial :3; // Powerful, Breeze/WindFree, Econo
uint8_t Display :1;
uint8_t :2;
uint8_t CleanToggle10 :1;
// Byte 11
uint8_t Ion :1;
uint8_t CleanToggle11 :1;
uint8_t :2;
uint8_t Temp :4;
// Byte 12
uint8_t :1;
uint8_t Fan :3;
uint8_t Mode :3;
uint8_t :1;
// Byte 13
uint8_t :2;
uint8_t BeepToggle :1;
uint8_t :1;
uint8_t Power2 :2;
uint8_t :2;
};
struct { // Extended message map
// 1st Section
// Byte 0
uint8_t :8;
// Byte 1
uint8_t :4;
uint8_t Sum1Lower :4;
// Byte 2
uint8_t Sum1Upper :4;
uint8_t :4;
// Byte 3
uint8_t :8;
// Byte 4
uint8_t :8;
// Byte 5
uint8_t :8;
// Byte 6
uint8_t :8;
// 2nd Section
// Byte 7
uint8_t :8;
// Byte 8
uint8_t :4;
uint8_t Sum2Lower :4;
// Byte 9
uint8_t Sum2Upper :4;
uint8_t OffTimeMins :3; // In units of 10's of mins
uint8_t OffTimeHrs1 :1; // LSB of the number of hours.
// Byte 10
uint8_t OffTimeHrs2 :4; // MSBs of the number of hours.
uint8_t OnTimeMins :3; // In units of 10's of mins
uint8_t OnTimeHrs1 :1; // LSB of the number of hours.
// Byte 11
uint8_t OnTimeHrs2 :4; // MSBs of the number of hours.
uint8_t :4;
// Byte 12
uint8_t OffTimeDay :1;
uint8_t OnTimerEnable :1;
uint8_t OffTimerEnable :1;
uint8_t Sleep12 :1;
uint8_t OnTimeDay :1;
uint8_t :3;
// Byte 13
uint8_t :8;
// 3rd Section
// Byte 14
uint8_t :8;
// Byte 15
uint8_t :4;
uint8_t Sum3Lower :4;
// Byte 16
uint8_t Sum3Upper :4;
uint8_t :4;
// Byte 17
uint8_t :8;
// Byte 18
uint8_t :8;
// Byte 19
uint8_t :8;
// Byte 20
uint8_t :8;
};
};
class SamsungClimate : public climate_ir::ClimateIR {
SamsungProtocol protocol;
climate::ClimateMode current_climate_mode;
public: SamsungClimate() :
climate_ir::ClimateIR(
kSamsungAcMinTemp, kSamsungAcMaxTemp, 1.0f, true, true,
{climate::CLIMATE_FAN_AUTO, climate::CLIMATE_FAN_LOW, climate::CLIMATE_FAN_MEDIUM, climate::CLIMATE_FAN_HIGH},
{climate::CLIMATE_SWING_OFF, climate::CLIMATE_SWING_VERTICAL, climate::CLIMATE_SWING_HORIZONTAL, climate::CLIMATE_SWING_BOTH}) { }
protected:
void transmit_state() override;
void send();
void setSwing(const climate::ClimateSwingMode swingMode);
void setMode(const climate::ClimateMode mode);
void setTemp(const uint8_t temp);
void setAndSendPowerState(const bool on);
void setFan(const climate::ClimateFanMode fanMode);
void checksum(void);
static uint8_t calcSectionChecksum(const uint8_t *section);
};
}}