mirror of
https://github.com/esphome/esphome.git
synced 2024-09-28 04:09:16 +02:00
14e38f0469
* Upgrade clang-format to v13 * Apply clang-format-13 formatting changes * Format * Format bme_680 --------- Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
116 lines
4.6 KiB
C++
116 lines
4.6 KiB
C++
#include "mcp9600.h"
|
|
#include "esphome/core/log.h"
|
|
|
|
namespace esphome {
|
|
namespace mcp9600 {
|
|
|
|
static const char *const TAG = "mcp9600";
|
|
|
|
static const uint8_t MCP9600_REGISTER_HOT_JUNCTION = 0x00;
|
|
// static const uint8_t MCP9600_REGISTER_JUNCTION_DELTA = 0x01; // Unused, but kept for future reference
|
|
static const uint8_t MCP9600_REGISTER_COLD_JUNTION = 0x02;
|
|
// static const uint8_t MCP9600_REGISTER_RAW_DATA_ADC = 0x03; // Unused, but kept for future reference
|
|
static const uint8_t MCP9600_REGISTER_STATUS = 0x04;
|
|
static const uint8_t MCP9600_REGISTER_SENSOR_CONFIG = 0x05;
|
|
static const uint8_t MCP9600_REGISTER_CONFIG = 0x06;
|
|
static const uint8_t MCP9600_REGISTER_ALERT1_CONFIG = 0x08;
|
|
static const uint8_t MCP9600_REGISTER_ALERT2_CONFIG = 0x09;
|
|
static const uint8_t MCP9600_REGISTER_ALERT3_CONFIG = 0x0A;
|
|
static const uint8_t MCP9600_REGISTER_ALERT4_CONFIG = 0x0B;
|
|
static const uint8_t MCP9600_REGISTER_ALERT1_HYSTERESIS = 0x0C;
|
|
static const uint8_t MCP9600_REGISTER_ALERT2_HYSTERESIS = 0x0D;
|
|
static const uint8_t MCP9600_REGISTER_ALERT3_HYSTERESIS = 0x0E;
|
|
static const uint8_t MCP9600_REGISTER_ALERT4_HYSTERESIS = 0x0F;
|
|
static const uint8_t MCP9600_REGISTER_ALERT1_LIMIT = 0x10;
|
|
static const uint8_t MCP9600_REGISTER_ALERT2_LIMIT = 0x11;
|
|
static const uint8_t MCP9600_REGISTER_ALERT3_LIMIT = 0x12;
|
|
static const uint8_t MCP9600_REGISTER_ALERT4_LIMIT = 0x13;
|
|
static const uint8_t MCP9600_REGISTER_DEVICE_ID = 0x20;
|
|
|
|
void MCP9600Component::setup() {
|
|
ESP_LOGCONFIG(TAG, "Setting up MCP9600...");
|
|
|
|
uint16_t dev_id = 0;
|
|
this->read_byte_16(MCP9600_REGISTER_DEVICE_ID, &dev_id);
|
|
this->device_id_ = (uint8_t) (dev_id >> 8);
|
|
|
|
// Allows both MCP9600's and MCP9601's to be connected.
|
|
if (this->device_id_ != (uint8_t) 0x40 && this->device_id_ != (uint8_t) 0x41) {
|
|
this->error_code_ = COMMUNICATION_FAILED;
|
|
this->mark_failed();
|
|
return;
|
|
}
|
|
|
|
bool success = this->write_byte(MCP9600_REGISTER_STATUS, 0x00);
|
|
success |= this->write_byte(MCP9600_REGISTER_SENSOR_CONFIG, uint8_t(0x00 | thermocouple_type_ << 4));
|
|
success |= this->write_byte(MCP9600_REGISTER_CONFIG, 0x00);
|
|
success |= this->write_byte(MCP9600_REGISTER_ALERT1_CONFIG, 0x00);
|
|
success |= this->write_byte(MCP9600_REGISTER_ALERT2_CONFIG, 0x00);
|
|
success |= this->write_byte(MCP9600_REGISTER_ALERT3_CONFIG, 0x00);
|
|
success |= this->write_byte(MCP9600_REGISTER_ALERT4_CONFIG, 0x00);
|
|
success |= this->write_byte(MCP9600_REGISTER_ALERT1_HYSTERESIS, 0x00);
|
|
success |= this->write_byte(MCP9600_REGISTER_ALERT2_HYSTERESIS, 0x00);
|
|
success |= this->write_byte(MCP9600_REGISTER_ALERT3_HYSTERESIS, 0x00);
|
|
success |= this->write_byte(MCP9600_REGISTER_ALERT4_HYSTERESIS, 0x00);
|
|
success |= this->write_byte_16(MCP9600_REGISTER_ALERT1_LIMIT, 0x0000);
|
|
success |= this->write_byte_16(MCP9600_REGISTER_ALERT2_LIMIT, 0x0000);
|
|
success |= this->write_byte_16(MCP9600_REGISTER_ALERT3_LIMIT, 0x0000);
|
|
success |= this->write_byte_16(MCP9600_REGISTER_ALERT4_LIMIT, 0x0000);
|
|
|
|
if (!success) {
|
|
this->error_code_ = FAILED_TO_UPDATE_CONFIGURATION;
|
|
this->mark_failed();
|
|
return;
|
|
}
|
|
}
|
|
|
|
void MCP9600Component::dump_config() {
|
|
ESP_LOGCONFIG(TAG, "MCP9600:");
|
|
LOG_I2C_DEVICE(this);
|
|
LOG_UPDATE_INTERVAL(this);
|
|
|
|
ESP_LOGCONFIG(TAG, " Device ID: 0x%x", this->device_id_);
|
|
|
|
LOG_SENSOR(" ", "Hot Junction Temperature", this->hot_junction_sensor_);
|
|
LOG_SENSOR(" ", "Cold Junction Temperature", this->cold_junction_sensor_);
|
|
|
|
switch (this->error_code_) {
|
|
case COMMUNICATION_FAILED:
|
|
ESP_LOGE(TAG, "Connected device does not match a known MCP9600 or MCP901 sensor");
|
|
break;
|
|
case FAILED_TO_UPDATE_CONFIGURATION:
|
|
ESP_LOGE(TAG, "Failed to update device configuration");
|
|
break;
|
|
case NONE:
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
void MCP9600Component::update() {
|
|
if (this->hot_junction_sensor_ != nullptr) {
|
|
uint16_t raw_hot_junction_temperature;
|
|
if (!this->read_byte_16(MCP9600_REGISTER_HOT_JUNCTION, &raw_hot_junction_temperature)) {
|
|
this->status_set_warning();
|
|
return;
|
|
}
|
|
float hot_junction_temperature = int16_t(raw_hot_junction_temperature) * 0.0625;
|
|
this->hot_junction_sensor_->publish_state(hot_junction_temperature);
|
|
}
|
|
|
|
if (this->cold_junction_sensor_ != nullptr) {
|
|
uint16_t raw_cold_junction_temperature;
|
|
if (!this->read_byte_16(MCP9600_REGISTER_COLD_JUNTION, &raw_cold_junction_temperature)) {
|
|
this->status_set_warning();
|
|
return;
|
|
}
|
|
float cold_junction_temperature = int16_t(raw_cold_junction_temperature) * 0.0625;
|
|
this->cold_junction_sensor_->publish_state(cold_junction_temperature);
|
|
}
|
|
|
|
this->status_clear_warning();
|
|
}
|
|
|
|
} // namespace mcp9600
|
|
} // namespace esphome
|