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Update ds248x.cpp

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Iron Man 2024-04-23 19:57:11 +02:00 committed by GitHub
parent 858f5eafcd
commit d0c7709da9
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1 changed files with 606 additions and 639 deletions
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277
esphome/components/ds248x/ds248x.cpp
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@ -5,62 +5,62 @@
namespace esphome { namespace esphome {
namespace ds248x { namespace ds248x {
static const uint8_t DS2482_800_COMMAND_CHANNEL_SELECTION = 0xC3; static const uint8_t DS2482_800_COMMAND_CHANNEL_SELECTION = 0xC3;
static const uint8_t DS248X_COMMAND_RESET = 0xF0; static const uint8_t DS248X_COMMAND_RESET = 0xF0;
static const uint8_t DS248X_COMMAND_SETREADPTR = 0xE1; static const uint8_t DS248X_COMMAND_SETREADPTR = 0xE1;
static const uint8_t DS248X_COMMAND_WRITECONFIG = 0xD2; static const uint8_t DS248X_COMMAND_WRITECONFIG = 0xD2;
static const uint8_t DS248X_COMMAND_RESETWIRE = 0xB4; static const uint8_t DS248X_COMMAND_RESETWIRE = 0xB4;
static const uint8_t DS248X_COMMAND_WRITEBYTE = 0xA5; static const uint8_t DS248X_COMMAND_WRITEBYTE = 0xA5;
static const uint8_t DS248X_COMMAND_READBYTE = 0x96; static const uint8_t DS248X_COMMAND_READBYTE = 0x96;
static const uint8_t DS248X_COMMAND_SINGLEBIT = 0x87; static const uint8_t DS248X_COMMAND_SINGLEBIT = 0x87;
static const uint8_t DS248X_COMMAND_TRIPLET = 0x78; static const uint8_t DS248X_COMMAND_TRIPLET = 0x78;
static const uint8_t DS248X_POINTER_STATUS = 0xF0; static const uint8_t DS248X_POINTER_STATUS = 0xF0;
static const uint8_t DS248X_STATUS_BUSY = (1 << 0); static const uint8_t DS248X_STATUS_BUSY = (1 << 0);
static const uint8_t DS248X_STATUS_PPD = (1 << 1); static const uint8_t DS248X_STATUS_PPD = (1 << 1);
static const uint8_t DS248X_STATUS_SD = (1 << 2); static const uint8_t DS248X_STATUS_SD = (1 << 2);
static const uint8_t DS248X_STATUS_LL = (1 << 3); static const uint8_t DS248X_STATUS_LL = (1 << 3);
static const uint8_t DS248X_STATUS_RST = (1 << 4); static const uint8_t DS248X_STATUS_RST = (1 << 4);
static const uint8_t DS248X_STATUS_SBR = (1 << 5); static const uint8_t DS248X_STATUS_SBR = (1 << 5);
static const uint8_t DS248X_STATUS_TSB = (1 << 6); static const uint8_t DS248X_STATUS_TSB = (1 << 6);
static const uint8_t DS248X_STATUS_DIR = (1 << 7); static const uint8_t DS248X_STATUS_DIR = (1 << 7);
static const uint8_t DS248X_POINTER_DATA = 0xE1; static const uint8_t DS248X_POINTER_DATA = 0xE1;
static const uint8_t DS248X_POINTER_CONFIG = 0xC3; static const uint8_t DS248X_POINTER_CONFIG = 0xC3;
static const uint8_t DS248X_CONFIG_ACTIVE_PULLUP = (1 << 0); static const uint8_t DS248X_CONFIG_ACTIVE_PULLUP = (1 << 0);
static const uint8_t DS248X_CONFIG_POWER_DOWN = (1 << 1); static const uint8_t DS248X_CONFIG_POWER_DOWN = (1 << 1);
static const uint8_t DS248X_CONFIG_STRONG_PULLUP = (1 << 2); static const uint8_t DS248X_CONFIG_STRONG_PULLUP = (1 << 2);
static const uint8_t DS248X_CONFIG_1WIRE_SPEED = (1 << 3); static const uint8_t DS248X_CONFIG_1WIRE_SPEED = (1 << 3);
static const uint8_t WIRE_COMMAND_SKIP = 0xCC; static const uint8_t WIRE_COMMAND_SKIP = 0xCC;
static const uint8_t WIRE_COMMAND_SELECT = 0x55; static const uint8_t WIRE_COMMAND_SELECT = 0x55;
static const uint8_t WIRE_COMMAND_SEARCH = 0xF0; static const uint8_t WIRE_COMMAND_SEARCH = 0xF0;
static const uint8_t DS248X_ERROR_TIMEOUT = (1 << 0); static const uint8_t DS248X_ERROR_TIMEOUT = (1 << 0);
static const uint8_t DS248X_ERROR_SHORT = (1 << 1); static const uint8_t DS248X_ERROR_SHORT = (1 << 1);
static const uint8_t DS248X_ERROR_CONFIG = (1 << 2); static const uint8_t DS248X_ERROR_CONFIG = (1 << 2);
static const uint8_t DALLAS_MODEL_DS18S20 = 0x10; static const uint8_t DALLAS_MODEL_DS18S20 = 0x10;
static const uint8_t DALLAS_MODEL_DS1822 = 0x22; static const uint8_t DALLAS_MODEL_DS1822 = 0x22;
static const uint8_t DALLAS_MODEL_DS18B20 = 0x28; static const uint8_t DALLAS_MODEL_DS18B20 = 0x28;
static const uint8_t DALLAS_MODEL_DS1825 = 0x3B; static const uint8_t DALLAS_MODEL_DS1825 = 0x3B;
static const uint8_t DALLAS_MODEL_DS28EA00 = 0x42; static const uint8_t DALLAS_MODEL_DS28EA00 = 0x42;
static const uint8_t DALLAS_COMMAND_START_CONVERSION = 0x44; static const uint8_t DALLAS_COMMAND_START_CONVERSION = 0x44;
static const uint8_t DALLAS_COMMAND_READ_SCRATCH_PAD = 0xBE; static const uint8_t DALLAS_COMMAND_READ_SCRATCH_PAD = 0xBE;
static const uint8_t DALLAS_COMMAND_WRITE_SCRATCH_PAD = 0x4E; static const uint8_t DALLAS_COMMAND_WRITE_SCRATCH_PAD = 0x4E;
static const uint8_t DALLAS_COMMAND_SAVE_EEPROM = 0x48; static const uint8_t DALLAS_COMMAND_SAVE_EEPROM = 0x48;
static const char *const TAG = "ds248x"; static const char *const TAG = "ds248x";
static const uint8_t CHANNEL_CODE[8] = { 0xF0, 0xE1, 0xD2, 0xC3, 0xB4, 0xA5, 0x96, 0x87 }; static const uint8_t CHANNEL_CODE[8] = {0xF0, 0xE1, 0xD2, 0xC3, 0xB4, 0xA5, 0x96, 0x87};
static const uint8_t READ_CHANNEL_CODE[8] = { 0xB8, 0xB1, 0xAA, 0xA3, 0x9C, 0x95, 0x8E, 0x87 }; static const uint8_t READ_CHANNEL_CODE[8] = {0xB8, 0xB1, 0xAA, 0xA3, 0x9C, 0x95, 0x8E, 0x87};
void DS248xComponent::setup() { void DS248xComponent::setup() {
uint64_t address = 0; uint64_t address = 0;
uint8_t channel = 0; uint8_t channel = 0;
uint8_t index = 0; uint8_t index = 0;
@ -74,26 +74,26 @@ namespace esphome {
this->sleep_pin_->pin_mode(esphome::gpio::FLAG_OUTPUT); this->sleep_pin_->pin_mode(esphome::gpio::FLAG_OUTPUT);
} }
if(this->ds248x_type_ == DS248xType::DS2482_100) { if (this->ds248x_type_ == DS248xType::DS2482_100) {
// Reset // Reset
this->reset_hub(); this->reset_hub();
address = 0; address = 0;
while(this->search(&address)) { while (this->search(&address)) {
raw_sensors.push_back(address); raw_sensors.push_back(address);
raw_channel_sensors.push_back(0); raw_channel_sensors.push_back(0);
} }
} }
if(this->ds248x_type_ == DS248xType::DS2482_800) { if (this->ds248x_type_ == DS248xType::DS2482_800) {
for(channel=0; channel<NBR_CHANNELS; channel++) { for (channel = 0; channel < NBR_CHANNELS; channel++) {
// Reset // Reset
this->reset_hub(); this->reset_hub();
// 1-wire channel selection // 1-wire channel selection
if(this->set_channel(channel)) { if (this->set_channel(channel)) {
// Search 1-wire components // Search 1-wire components
address = 0; address = 0;
while(this->search(&address)) { while (this->search(&address)) {
raw_sensors.push_back(address); raw_sensors.push_back(address);
raw_channel_sensors.push_back(channel); raw_channel_sensors.push_back(channel);
} }
@ -105,7 +105,7 @@ namespace esphome {
index = 0; index = 0;
for (auto &address : raw_sensors) { for (auto &address : raw_sensors) {
channel=raw_channel_sensors[index]; channel = raw_channel_sensors[index];
index++; index++;
auto *address8 = reinterpret_cast<uint8_t *>(&address); auto *address8 = reinterpret_cast<uint8_t *>(&address);
if (crc8(address8, 7) != address8[7]) { if (crc8(address8, 7) != address8[7]) {
@ -125,7 +125,7 @@ namespace esphome {
index = 0; index = 0;
// DS2482_100 // DS2482_100
if(this->ds248x_type_ == DS248xType::DS2482_100) { if (this->ds248x_type_ == DS248xType::DS2482_100) {
for (auto *sensor : this->sensors_) { for (auto *sensor : this->sensors_) {
if (sensor->get_index().has_value()) { if (sensor->get_index().has_value()) {
if (*sensor->get_index() >= this->found_sensors_.size()) { if (*sensor->get_index() >= this->found_sensors_.size()) {
@ -144,8 +144,8 @@ namespace esphome {
} }
// DS2482_800 // DS2482_800
if(this->ds248x_type_ == DS248xType::DS2482_800) { if (this->ds248x_type_ == DS248xType::DS2482_800) {
for(channel=0; channel<NBR_CHANNELS; channel++) { for (channel = 0; channel < NBR_CHANNELS; channel++) {
for (auto *sensor : this->channel_sensors_[channel]) { for (auto *sensor : this->channel_sensors_[channel]) {
if (sensor->get_index().has_value()) { if (sensor->get_index().has_value()) {
if (*sensor->get_index() >= this->found_sensors_.size()) { if (*sensor->get_index() >= this->found_sensors_.size()) {
@ -163,10 +163,9 @@ namespace esphome {
} }
} }
} }
}
} void DS248xComponent::dump_config() {
void DS248xComponent::dump_config() {
int idx = 0; int idx = 0;
uint8_t channel = 0; uint8_t channel = 0;
ESP_LOGCONFIG(TAG, "DS248x:"); ESP_LOGCONFIG(TAG, "DS248x:");
@ -175,7 +174,7 @@ namespace esphome {
} }
LOG_I2C_DEVICE(this); LOG_I2C_DEVICE(this);
switch(this->ds248x_type_) { switch (this->ds248x_type_) {
case DS248xType::DS2482_100: case DS248xType::DS2482_100:
ESP_LOGCONFIG(TAG, " Type: DD2482-100"); ESP_LOGCONFIG(TAG, " Type: DD2482-100");
break; break;
@ -199,7 +198,7 @@ namespace esphome {
LOG_UPDATE_INTERVAL(this); LOG_UPDATE_INTERVAL(this);
// DS2482-100 // DS2482-100
if(this->ds248x_type_ == DS248xType::DS2482_100) { if (this->ds248x_type_ == DS248xType::DS2482_100) {
for (auto *sensor : this->sensors_) { for (auto *sensor : this->sensors_) {
LOG_SENSOR(" ", "Device", sensor); LOG_SENSOR(" ", "Device", sensor);
if (sensor->get_index().has_value()) { if (sensor->get_index().has_value()) {
@ -216,8 +215,8 @@ namespace esphome {
} }
// DS2482-800 // DS2482-800
if(this->ds248x_type_ == DS248xType::DS2482_800) { if (this->ds248x_type_ == DS248xType::DS2482_800) {
for(channel=0; channel<NBR_CHANNELS; channel++) { for (channel = 0; channel < NBR_CHANNELS; channel++) {
for (auto *sensor : this->channel_sensors_[channel]) { for (auto *sensor : this->channel_sensors_[channel]) {
LOG_SENSOR(" ", "Device", sensor); LOG_SENSOR(" ", "Device", sensor);
if (sensor->get_index().has_value()) { if (sensor->get_index().has_value()) {
@ -233,40 +232,37 @@ namespace esphome {
} }
} }
} }
}
} void DS248xComponent::register_sensor(DS248xTemperatureSensor *sensor) {
void DS248xComponent::register_sensor(DS248xTemperatureSensor *sensor) {
this->sensors_.push_back(sensor); this->sensors_.push_back(sensor);
// DS2482-100 // DS2482-100
if(this->ds248x_type_ == DS248xType::DS2482_100) { if (this->ds248x_type_ == DS248xType::DS2482_100) {
this->channel_sensors_[0].push_back(sensor); this->channel_sensors_[0].push_back(sensor);
} }
// DS2482-800 // DS2482-800
if(this->ds248x_type_ == DS248xType::DS2482_800) { if (this->ds248x_type_ == DS248xType::DS2482_800) {
this->channel_sensors_[sensor->get_channel()].push_back(sensor); this->channel_sensors_[sensor->get_channel()].push_back(sensor);
} }
} }
void DS248xComponent::update() { void DS248xComponent::update() {
uint8_t channel = 0; uint8_t channel = 0;
uint8_t nbr_channels = 1; uint8_t nbr_channels = 1;
int nbr_sensors = 0; int nbr_sensors = 0;
int nbr_sensors_on_channel = 0; int nbr_sensors_on_channel = 0;
if(this->ds248x_type_ == DS248xType::DS2482_800) { if (this->ds248x_type_ == DS248xType::DS2482_800) {
nbr_channels = NBR_CHANNELS; nbr_channels = NBR_CHANNELS;
for(channel=0; channel<nbr_channels; channel++) { for (channel = 0; channel < nbr_channels; channel++) {
nbr_sensors += channel_sensors_[channel].size(); nbr_sensors += channel_sensors_[channel].size();
} }
} }
for(channel=0; channel<nbr_channels; channel++) { for (channel = 0; channel < nbr_channels; channel++) {
if (this->ds248x_type_ == DS248xType::DS2482_800) {
if(this->ds248x_type_ == DS248xType::DS2482_800) {
ESP_LOGV(TAG, "Channel: %u", channel); ESP_LOGV(TAG, "Channel: %u", channel);
} }
@ -275,8 +271,7 @@ namespace esphome {
ESP_LOGV(TAG, "Start sensor update for %i sensors", nbr_sensors_on_channel); ESP_LOGV(TAG, "Start sensor update for %i sensors", nbr_sensors_on_channel);
this->status_clear_warning(); this->status_clear_warning();
if(nbr_sensors_on_channel && this->set_channel(channel)) { if (nbr_sensors_on_channel && this->set_channel(channel)) {
if (this->enable_bus_sleep_) { if (this->enable_bus_sleep_) {
this->write_config(this->read_config() & ~DS248X_CONFIG_POWER_DOWN); this->write_config(this->read_config() & ~DS248X_CONFIG_POWER_DOWN);
} }
@ -321,7 +316,7 @@ namespace esphome {
} }
ESP_LOGV(TAG, "Update Sensor idx: %i", readIdx); ESP_LOGV(TAG, "Update Sensor idx: %i", readIdx);
DS248xTemperatureSensor* sensor = sensors_[readIdx]; DS248xTemperatureSensor *sensor = sensors_[readIdx];
this->set_channel(sensor->get_channel()); this->set_channel(sensor->get_channel());
readIdx++; readIdx++;
@ -344,13 +339,11 @@ namespace esphome {
sensor->publish_state(tempc); sensor->publish_state(tempc);
}); });
}); });
} }
float DS248xComponent::get_setup_priority() const { float DS248xComponent::get_setup_priority() const { return setup_priority::DATA; }
return setup_priority::DATA;
}
uint8_t DS248xComponent::read_config() { uint8_t DS248xComponent::read_config() {
std::array<uint8_t, 2> cmd; std::array<uint8_t, 2> cmd;
cmd[0] = DS248X_COMMAND_SETREADPTR; cmd[0] = DS248X_COMMAND_SETREADPTR;
cmd[1] = DS248X_POINTER_CONFIG; cmd[1] = DS248X_POINTER_CONFIG;
@ -360,32 +353,31 @@ namespace esphome {
this->read(&cfg_byte, sizeof(cfg_byte)); this->read(&cfg_byte, sizeof(cfg_byte));
return cfg_byte; return cfg_byte;
} }
void DS248xComponent::write_config(uint8_t cfg) { void DS248xComponent::write_config(uint8_t cfg) {
std::array<uint8_t, 2> cmd; std::array<uint8_t, 2> cmd;
cmd[0] = DS248X_COMMAND_WRITECONFIG; cmd[0] = DS248X_COMMAND_WRITECONFIG;
cmd[1] = cfg | ((~cfg) << 4); cmd[1] = cfg | ((~cfg) << 4);
this->write(cmd.data(), sizeof(cmd)); this->write(cmd.data(), sizeof(cmd));
} }
uint8_t DS248xComponent::wait_while_busy() { uint8_t DS248xComponent::wait_while_busy() {
std::array<uint8_t, 2> cmd; std::array<uint8_t, 2> cmd;
cmd[0] = DS248X_COMMAND_SETREADPTR; cmd[0] = DS248X_COMMAND_SETREADPTR;
cmd[1] = DS248X_POINTER_STATUS; cmd[1] = DS248X_POINTER_STATUS;
this->write(cmd.data(), sizeof(cmd)); this->write(cmd.data(), sizeof(cmd));
uint8_t status; uint8_t status;
for(int i=1000; i>0; i--) { for (int i = 1000; i > 0; i--) {
this->read(&status, sizeof(status)); this->read(&status, sizeof(status));
if (!(status & DS248X_STATUS_BUSY)) if (!(status & DS248X_STATUS_BUSY))
break; break;
} }
return status; return status;
} }
void DS248xComponent::reset_hub() {
void DS248xComponent::reset_hub() {
if (this->sleep_pin_) { if (this->sleep_pin_) {
this->sleep_pin_->digital_write(true); this->sleep_pin_->digital_write(true);
} }
@ -400,9 +392,9 @@ namespace esphome {
last_device_found = false; last_device_found = false;
searchAddress = 0; searchAddress = 0;
searchLastDiscrepancy = 0; searchLastDiscrepancy = 0;
} }
bool DS248xComponent::set_channel(uint8_t channel) { bool DS248xComponent::set_channel(uint8_t channel) {
std::array<uint8_t, 2> cmd; std::array<uint8_t, 2> cmd;
uint8_t data_byte; uint8_t data_byte;
@ -421,13 +413,11 @@ namespace esphome {
return true; return true;
} }
return false; return false;
} }
uint8_t DS248xComponent::get_channel() { uint8_t DS248xComponent::get_channel() { return (this->channel); }
return(this->channel);
}
bool DS248xComponent::reset_devices() { bool DS248xComponent::reset_devices() {
auto status = wait_while_busy(); auto status = wait_while_busy();
if (status & DS248X_STATUS_BUSY) { if (status & DS248X_STATUS_BUSY) {
ESP_LOGE(TAG, "Master never finished command"); ESP_LOGE(TAG, "Master never finished command");
@ -453,9 +443,9 @@ namespace esphome {
} }
return true; return true;
} }
void DS248xComponent::write_command(uint8_t command, uint8_t data) { void DS248xComponent::write_command(uint8_t command, uint8_t data) {
auto status = wait_while_busy(); auto status = wait_while_busy();
if (status & DS248X_STATUS_BUSY) { if (status & DS248X_STATUS_BUSY) {
@ -466,21 +456,19 @@ namespace esphome {
cmd[0] = command; cmd[0] = command;
cmd[1] = data; cmd[1] = data;
this->write(cmd.data(), sizeof(cmd)); this->write(cmd.data(), sizeof(cmd));
} }
void DS248xComponent::select(uint64_t address) { void DS248xComponent::select(uint64_t address) {
this->write_command(DS248X_COMMAND_WRITEBYTE, WIRE_COMMAND_SELECT); this->write_command(DS248X_COMMAND_WRITEBYTE, WIRE_COMMAND_SELECT);
for (int i = 0; i < 8; i++) { for (int i = 0; i < 8; i++) {
this->write_command(DS248X_COMMAND_WRITEBYTE, (address >> (i*8)) & 0xff); this->write_command(DS248X_COMMAND_WRITEBYTE, (address >> (i * 8)) & 0xff);
}
} }
}
void DS248xComponent::write_to_wire(uint8_t data) { void DS248xComponent::write_to_wire(uint8_t data) { this->write_command(DS248X_COMMAND_WRITEBYTE, data); }
this->write_command(DS248X_COMMAND_WRITEBYTE, data);
}
uint8_t DS248xComponent::read_from_wire() { uint8_t DS248xComponent::read_from_wire() {
auto status = wait_while_busy(); auto status = wait_while_busy();
if (status & DS248X_STATUS_BUSY) { if (status & DS248X_STATUS_BUSY) {
@ -505,10 +493,9 @@ namespace esphome {
this->read(&data_byte, sizeof(data_byte)); this->read(&data_byte, sizeof(data_byte));
return data_byte; return data_byte;
} }
bool DS248xComponent::search(uint64_t* address) {
bool DS248xComponent::search(uint64_t *address) {
if (last_device_found) if (last_device_found)
return false; return false;
@ -523,7 +510,7 @@ namespace esphome {
uint8_t direction; uint8_t direction;
uint8_t last_zero = 0; uint8_t last_zero = 0;
for(uint8_t i=0;i<64;i++) { for (uint8_t i = 0; i < 64; i++) {
uint64_t searchBit = 1LL << i; uint64_t searchBit = 1LL << i;
if (i < searchLastDiscrepancy) if (i < searchLastDiscrepancy)
@ -542,15 +529,13 @@ namespace esphome {
if (id && comp_id) if (id && comp_id)
return 0; return 0;
else else if (!id && !comp_id && !direction)
if (!id && !comp_id && !direction)
last_zero = i; last_zero = i;
if (direction) if (direction)
searchAddress |= searchBit; searchAddress |= searchBit;
else else
searchAddress &= ~searchBit; searchAddress &= ~searchBit;
} }
searchLastDiscrepancy = last_zero; searchLastDiscrepancy = last_zero;
@ -561,49 +546,33 @@ namespace esphome {
*address = searchAddress; *address = searchAddress;
return 1; return 1;
} }
void DS248xTemperatureSensor::set_address(uint64_t address) { void DS248xTemperatureSensor::set_address(uint64_t address) { this->address_ = address; }
this->address_ = address;
}
void DS248xTemperatureSensor::set_channel(uint8_t channel) { void DS248xTemperatureSensor::set_channel(uint8_t channel) { this->channel_ = channel; }
this->channel_ = channel;
}
uint8_t DS248xTemperatureSensor::get_channel() const { uint8_t DS248xTemperatureSensor::get_channel() const { return this->channel_; }
return this->channel_;
}
uint8_t DS248xTemperatureSensor::get_resolution() const { uint8_t DS248xTemperatureSensor::get_resolution() const { return this->resolution_; }
return this->resolution_;
}
void DS248xTemperatureSensor::set_resolution(uint8_t resolution) { void DS248xTemperatureSensor::set_resolution(uint8_t resolution) { this->resolution_ = resolution; }
this->resolution_ = resolution;
}
optional<uint8_t> DS248xTemperatureSensor::get_index() const { optional<uint8_t> DS248xTemperatureSensor::get_index() const { return this->index_; }
return this->index_;
}
void DS248xTemperatureSensor::set_index(uint8_t index) { void DS248xTemperatureSensor::set_index(uint8_t index) { this->index_ = index; }
this->index_ = index;
}
uint8_t *DS248xTemperatureSensor::get_address8() { uint8_t *DS248xTemperatureSensor::get_address8() { return reinterpret_cast<uint8_t *>(&this->address_); }
return reinterpret_cast<uint8_t *>(&this->address_);
}
const std::string &DS248xTemperatureSensor::get_address_name() { const std::string &DS248xTemperatureSensor::get_address_name() {
if (this->address_name_.empty()) { if (this->address_name_.empty()) {
this->address_name_ = std::string("0x") + format_hex(this->address_); this->address_name_ = std::string("0x") + format_hex(this->address_);
} }
return this->address_name_; return this->address_name_;
} }
uint16_t DS248xTemperatureSensor::millis_to_wait_for_conversion() const { uint16_t DS248xTemperatureSensor::millis_to_wait_for_conversion() const {
switch (this->resolution_) { switch (this->resolution_) {
case 9: case 9:
return 94; return 94;
@ -614,9 +583,9 @@ namespace esphome {
default: default:
return 750; return 750;
} }
} }
bool IRAM_ATTR DS248xTemperatureSensor::read_scratch_pad() { bool IRAM_ATTR DS248xTemperatureSensor::read_scratch_pad() {
bool result = this->parent_->reset_devices(); bool result = this->parent_->reset_devices();
if (!result) { if (!result) {
this->parent_->status_set_warning(); this->parent_->status_set_warning();
@ -632,9 +601,9 @@ namespace esphome {
} }
return true; return true;
} }
bool DS248xTemperatureSensor::setup_sensor() { bool DS248xTemperatureSensor::setup_sensor() {
bool r = this->read_scratch_pad(); bool r = this->read_scratch_pad();
if (!r) { if (!r) {
@ -661,7 +630,6 @@ namespace esphome {
break; break;
} }
if (this->scratch_pad_[4] == resolution_register_val) if (this->scratch_pad_[4] == resolution_register_val)
return true; return true;
@ -671,7 +639,6 @@ namespace esphome {
return false; return false;
} }
bool result = this->parent_->reset_devices(); bool result = this->parent_->reset_devices();
if (!result) { if (!result) {
ESP_LOGE(TAG, "Reset failed"); ESP_LOGE(TAG, "Reset failed");
@ -701,9 +668,9 @@ namespace esphome {
return false; return false;
} }
return true; return true;
} }
bool DS248xTemperatureSensor::check_scratch_pad() { bool DS248xTemperatureSensor::check_scratch_pad() {
bool chksum_validity = (crc8(this->scratch_pad_, 8) == this->scratch_pad_[8]); bool chksum_validity = (crc8(this->scratch_pad_, 8) == this->scratch_pad_[8]);
bool config_validity = false; bool config_validity = false;
@ -727,8 +694,8 @@ namespace esphome {
ESP_LOGW(TAG, "'%s' - Scratch pad config register invalid!", this->get_name().c_str()); ESP_LOGW(TAG, "'%s' - Scratch pad config register invalid!", this->get_name().c_str());
} }
return chksum_validity && config_validity; return chksum_validity && config_validity;
} }
float DS248xTemperatureSensor::get_temp_c() { float DS248xTemperatureSensor::get_temp_c() {
int16_t temp = (int16_t(this->scratch_pad_[1]) << 11) | (int16_t(this->scratch_pad_[0]) << 3); int16_t temp = (int16_t(this->scratch_pad_[1]) << 11) | (int16_t(this->scratch_pad_[0]) << 3);
if (this->get_address8()[0] == DALLAS_MODEL_DS18S20) { if (this->get_address8()[0] == DALLAS_MODEL_DS18S20) {
int diff = (this->scratch_pad_[7] - this->scratch_pad_[6]) << 7; int diff = (this->scratch_pad_[7] - this->scratch_pad_[6]) << 7;
@ -736,9 +703,9 @@ namespace esphome {
} }
return temp / 128.0f; return temp / 128.0f;
} }
std::string DS248xTemperatureSensor::unique_id() { return "dallas-" + str_lower_case(format_hex(this->address_)); } std::string DS248xTemperatureSensor::unique_id() { return "dallas-" + str_lower_case(format_hex(this->address_)); }
} // namespace ds248x } // namespace ds248x
} // namespace esphome } // namespace esphome