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Delete sts3x.cpp

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Nad
2019-07-29 03:00:11 +02:00
committed by GitHub
parent 9e900bb187
commit 975be98e08
1 changed files with 0 additions and 117 deletions
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117
esphome/components/sts3x/sts3x.cpp
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@@ -1,117 +0,0 @@
#include "sts3x.h"
#include "esphome/core/log.h"
namespace esphome {
namespace sts3x {
static const char *TAG = "sts3x";
static const uint16_t STS3X_COMMAND_READ_SERIAL_NUMBER = 0x3780;
static const uint16_t STS3X_COMMAND_READ_STATUS = 0xF32D;
static const uint16_t STS3X_COMMAND_CLEAR_STATUS = 0x3041;
static const uint16_t STS3X_COMMAND_HEATER_ENABLE = 0x306D;
static const uint16_t STS3X_COMMAND_HEATER_DISABLE = 0x3066;
static const uint16_t STS3X_COMMAND_SOFT_RESET = 0x30A2;
static const uint16_t STS3X_COMMAND_POLLING_H = 0x2400;
static const uint16_t STS3X_COMMAND_FETCH_DATA = 0xE000;
void STS3XComponent::setup() {
ESP_LOGCONFIG(TAG, "Setting up STS3x...");
if (!this->write_command_(STS3X_COMMAND_READ_SERIAL_NUMBER)) {
this->mark_failed();
return;
}
uint16_t raw_serial_number[2];
if (!this->read_data_(raw_serial_number, 1)) {
this->mark_failed();
return;
}
uint32_t serial_number = (uint32_t(raw_serial_number[0]) << 16);
ESP_LOGV(TAG, " Serial Number: 0x%08X", serial_number);
}
void STS3XComponent::dump_config() {
ESP_LOGCONFIG(TAG, "STS3x:");
LOG_I2C_DEVICE(this);
if (this->is_failed()) {
ESP_LOGE(TAG, "Communication with ST3x failed!");
}
LOG_UPDATE_INTERVAL(this);
LOG_SENSOR(" ", "Temperature", this->temperature_sensor_);
}
float STS3XComponent::get_setup_priority() const { return setup_priority::DATA; }
void STS3XComponent::update() {
if (!this->write_command_(STS3X_COMMAND_POLLING_H))
return;
this->set_timeout(50, [this]() {
uint16_t raw_data[1];
if (!this->read_data_(raw_data, 1)) {
this->status_set_warning();
return;
}
float temperature = 175.0f * float(raw_data[0]) / 65535.0f - 45.0f;
ESP_LOGD(TAG, "Got temperature=%.2f°C", temperature);
if (this->temperature_sensor_ != nullptr)
this->temperature_sensor_->publish_state(temperature);
this->status_clear_warning();
});
}
bool STS3XComponent::write_command_(uint16_t command) {
// Warning ugly, trick the I2Ccomponent base by setting register to the first 8 bit.
return this->write_byte(command >> 8, command & 0xFF);
}
uint8_t sts3x_crc(uint8_t data1, uint8_t data2) {
uint8_t bit;
uint8_t crc = 0xFF;
crc ^= data1;
for (bit = 8; bit > 0; --bit) {
if (crc & 0x80)
crc = (crc << 1) ^ 0x131;
else
crc = (crc << 1);
}
crc ^= data2;
for (bit = 8; bit > 0; --bit) {
if (crc & 0x80)
crc = (crc << 1) ^ 0x131;
else
crc = (crc << 1);
}
return crc;
}
bool STS3XComponent::read_data_(uint16_t *data, uint8_t len) {
const uint8_t num_bytes = len * 3;
auto *buf = new uint8_t[num_bytes];
if (!this->parent_->raw_receive(this->address_, buf, num_bytes)) {
delete[](buf);
return false;
}
for (uint8_t i = 0; i < len; i++) {
const uint8_t j = 3 * i;
uint8_t crc = sts3x_crc(buf[j], buf[j + 1]);
if (crc != buf[j + 2]) {
ESP_LOGE(TAG, "CRC8 Checksum invalid! 0x%02X != 0x%02X", buf[j + 2], crc);
delete[](buf);
return false;
}
data[i] = (buf[j] << 8) | buf[j + 1];
}
delete[](buf);
return true;
}
} // namespace sts3x
} // namespace esphome