Delete: mr60bha2

This commit is contained in:
limengdu 2024-10-10 11:20:58 +08:00
parent 56ccbc67e4
commit 91f156abb5
4 changed files with 0 additions and 425 deletions

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import esphome.codegen as cg
import esphome.config_validation as cv
from esphome.components import uart
from esphome.const import CONF_ID
DEPENDENCIES = ["uart"]
# is the code owner of the relevant code base
CODEOWNERS = ["@limengdu"]
# The current component or platform can be configured or defined multiple times in the same configuration file.
MULTI_CONF = True
# This line of code creates a new namespace called mr60fda2_ns.
# This namespace will be used as a prefix for all classes, functions and variables associated with the mr60fda2_ns component, ensuring that they do not conflict with the names of other components.
mr60fda2_ns = cg.esphome_ns.namespace("seeed_mr60bha2")
# This MR24HPC1Component class will be a periodically polled UART device
MR60BHA2Component = mr60fda2_ns.class_(
"MR60BHA2Component", cg.Component, uart.UARTDevice
)
CONF_MR60BHA2_ID = "mr60bha2_id"
CONFIG_SCHEMA = (
cv.Schema(
{
cv.GenerateID(): cv.declare_id(MR60BHA2Component),
}
)
.extend(uart.UART_DEVICE_SCHEMA)
.extend(cv.COMPONENT_SCHEMA)
)
# This code extends the current CONFIG_SCHEMA by adding all the configuration parameters for the UART device and components.
# This means that in the YAML configuration file, the user can use these parameters to configure this component.
CONFIG_SCHEMA = cv.All(
CONFIG_SCHEMA.extend(uart.UART_DEVICE_SCHEMA).extend(cv.COMPONENT_SCHEMA)
)
# A verification mode was created to verify the configuration parameters of a UART device named "seeed_mr60bha2".
# This authentication mode requires that the device must have transmit and receive functionality, a parity mode of "NONE", and a stop bit of one.
FINAL_VALIDATE_SCHEMA = uart.final_validate_device_schema(
"seeed_mr60bha2",
require_tx=True,
require_rx=True,
parity="NONE",
stop_bits=1,
)
# The async def keyword is used to define a concurrent function.
# Concurrent functions are special functions designed to work with Python's asyncio library to support asynchronous I/O operations.
async def to_code(config):
# This line of code creates a new Pvariable (a Python object representing a C++ variable) with the variable's ID taken from the configuration.
var = cg.new_Pvariable(config[CONF_ID])
# This line of code registers the newly created Pvariable as a component so that ESPHome can manage it at runtime.
await cg.register_component(var, config)
# This line of code registers the newly created Pvariable as a device.
await uart.register_uart_device(var, config)

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#include "esphome/core/log.h"
#include "seeed_mr60bha2.h"
#include <utility>
namespace esphome {
namespace seeed_mr60bha2 {
static const char *const TAG = "seeed_mr60bha2";
// Prints the component's configuration data. dump_config() prints all of the component's configuration
// items in an easy-to-read format, including the configuration key-value pairs.
void MR60BHA2Component::dump_config() {
ESP_LOGCONFIG(TAG, "MR60BHA2:");
#ifdef USE_SENSOR
LOG_SENSOR(" ", "Breath Rate Sensor", this->breath_rate_sensor_);
LOG_SENSOR(" ", "Heart Rate Sensor", this->heart_rate_sensor_);
LOG_SENSOR(" ", "Distance Sensor", this->distance_sensor_);
#endif
}
// Initialisation functions
void MR60BHA2Component::setup() {
ESP_LOGCONFIG(TAG, "Setting up MR60BHA2...");
this->check_uart_settings(115200);
this->current_frame_locate_ = LOCATE_FRAME_HEADER;
this->current_frame_id_ = 0;
this->current_frame_len_ = 0;
this->current_data_frame_len_ = 0;
this->current_frame_type_ = 0;
this->current_breath_rate_int_ = 0;
this->current_heart_rate_int_ = 0;
this->current_distance_int_ = 0;
memset(this->current_frame_buf, 0, FRAME_BUF_MAX_SIZE);
memset(this->current_data_buf, 0, DATA_BUF_MAX_SIZE);
ESP_LOGCONFIG(TAG, "Set up MR60BHA2 complete");
}
// main loop
void MR60BHA2Component::loop() {
uint8_t byte;
// Is there data on the serial port
while (this->available()) {
this->read_byte(&byte);
this->splitFrame(byte); // split data frame
}
}
/**
* @brief Calculate the checksum for a byte array.
*
* This function calculates the checksum for the provided byte array using an
* XOR-based checksum algorithm.
*
* @param data The byte array to calculate the checksum for.
* @param len The length of the byte array.
* @return The calculated checksum.
*/
uint8_t MR60BHA2Component::calculateChecksum(const uint8_t *data, size_t len) {
uint8_t checksum = 0;
for (size_t i = 0; i < len; i++) {
checksum ^= data[i];
}
checksum = ~checksum;
return checksum;
}
/**
* @brief Validate the checksum of a byte array.
*
* This function validates the checksum of the provided byte array by comparing
* it to the expected checksum.
*
* @param data The byte array to validate.
* @param len The length of the byte array.
* @param expected_checksum The expected checksum.
* @return True if the checksum is valid, false otherwise.
*/
bool MR60BHA2Component::validateChecksum(const uint8_t *data, size_t len, uint8_t expected_checksum) {
return calculateChecksum(data, len) == expected_checksum;
}
void MR60BHA2Component::splitFrame(uint8_t buffer) {
switch (this->current_frame_locate_) {
case LOCATE_FRAME_HEADER: // starting buffer
if (buffer == FRAME_HEADER_BUFFER) {
this->current_frame_len_ = 1;
this->current_frame_buf[this->current_frame_len_ - 1] = buffer;
this->current_frame_locate_++;
}
break;
case LOCATE_ID_FRAME1:
this->current_frame_id_ = buffer << 8;
this->current_frame_len_++;
this->current_frame_buf[this->current_frame_len_ - 1] = buffer;
this->current_frame_locate_++;
break;
case LOCATE_ID_FRAME2:
this->current_frame_id_ += buffer;
this->current_frame_len_++;
this->current_frame_buf[this->current_frame_len_ - 1] = buffer;
this->current_frame_locate_++;
break;
case LOCATE_LENGTH_FRAME_H:
this->current_data_frame_len_ = buffer << 8;
if (this->current_data_frame_len_ == 0x00) {
this->current_frame_len_++;
this->current_frame_buf[this->current_frame_len_ - 1] = buffer;
this->current_frame_locate_++;
} else {
// ESP_LOGD(TAG, "DATA_FRAME_LEN_H: 0x%02x", buffer);
// ESP_LOGD(TAG, "CURRENT_FRAME_LEN_H: 0x%04x", this->current_data_frame_len_);
this->current_frame_locate_ = LOCATE_FRAME_HEADER;
}
break;
case LOCATE_LENGTH_FRAME_L:
this->current_data_frame_len_ += buffer;
if (this->current_data_frame_len_ > DATA_BUF_MAX_SIZE) {
// ESP_LOGD(TAG, "DATA_FRAME_LEN_L: 0x%02x", buffer);
// ESP_LOGD(TAG, "CURRENT_FRAME_LEN: 0x%04x", this->current_data_frame_len_);
// ESP_LOGD(TAG, "DATA_FRAME_LEN ERROR: %d", this->current_data_frame_len_);
this->current_frame_locate_ = LOCATE_FRAME_HEADER;
} else {
this->current_frame_len_++;
this->current_frame_buf[this->current_frame_len_ - 1] = buffer;
this->current_frame_locate_++;
}
break;
case LOCATE_TYPE_FRAME1:
this->current_frame_type_ = buffer << 8;
this->current_frame_len_++;
this->current_frame_buf[this->current_frame_len_ - 1] = buffer;
this->current_frame_locate_++;
// ESP_LOGD(TAG, "GET LOCATE_TYPE_FRAME1: 0x%02x", this->current_frame_buf[this->current_frame_len_ - 1]);
break;
case LOCATE_TYPE_FRAME2:
this->current_frame_type_ += buffer;
if ((this->current_frame_type_ == BREATH_RATE_TYPE_BUFFER) ||
(this->current_frame_type_ == HEART_RATE_TYPE_BUFFER) ||
(this->current_frame_type_ == DISTANCE_TYPE_BUFFER)) {
this->current_frame_len_++;
this->current_frame_buf[this->current_frame_len_ - 1] = buffer;
this->current_frame_locate_++;
// ESP_LOGD(TAG, "GET CURRENT_FRAME_TYPE: 0x%02x 0x%02x", this->current_frame_buf[this->current_frame_len_ - 2],
// this->current_frame_buf[this->current_frame_len_ - 1]);
} else {
// ESP_LOGD(TAG, "CURRENT_FRAME_TYPE NOT FOUND: 0x%02x 0x%02x",
// this->current_frame_buf[this->current_frame_len_ - 2],
// this->current_frame_buf[this->current_frame_len_ - 1]);
this->current_frame_locate_ = LOCATE_FRAME_HEADER;
}
break;
case LOCATE_HEAD_CKSUM_FRAME:
if (this->validateChecksum(this->current_frame_buf, this->current_frame_len_, buffer)) {
this->current_frame_len_++;
this->current_frame_buf[this->current_frame_len_ - 1] = buffer;
this->current_frame_locate_++;
} else {
ESP_LOGD(TAG, "HEAD_CKSUM_FRAME ERROR: 0x%02x", buffer);
ESP_LOGD(TAG, "GET CURRENT_FRAME:");
for (size_t i = 0; i < this->current_frame_len_; i++) {
ESP_LOGD(TAG, " 0x%02x", current_frame_buf[i]);
}
this->current_frame_locate_ = LOCATE_FRAME_HEADER;
}
break;
case LOCATE_DATA_FRAME:
this->current_frame_len_++;
this->current_frame_buf[this->current_frame_len_ - 1] = buffer;
this->current_data_buf[this->current_frame_len_ - LEN_TO_DATA_FRAME] = buffer;
if (this->current_frame_len_ - LEN_TO_HEAD_CKSUM == this->current_data_frame_len_) {
this->current_frame_locate_++;
}
if (this->current_frame_len_ > FRAME_BUF_MAX_SIZE) {
ESP_LOGD(TAG, "PRACTICE_DATA_FRAME_LEN ERROR: %d", this->current_frame_len_ - LEN_TO_HEAD_CKSUM);
this->current_frame_locate_ = LOCATE_FRAME_HEADER;
}
break;
case LOCATE_DATA_CKSUM_FRAME:
if (this->validateChecksum(this->current_data_buf, this->current_data_frame_len_, buffer)) {
this->current_frame_len_++;
this->current_frame_buf[this->current_frame_len_ - 1] = buffer;
this->current_frame_locate_++;
this->processFrame();
} else {
ESP_LOGD(TAG, "DATA_CKSUM_FRAME ERROR: 0x%02x", buffer);
ESP_LOGD(TAG, "GET CURRENT_FRAME:");
for (size_t i = 0; i < this->current_frame_len_; i++) {
ESP_LOGD(TAG, " 0x%02x", current_frame_buf[i]);
}
this->current_frame_locate_ = LOCATE_FRAME_HEADER;
}
break;
default:
break;
}
}
void MR60BHA2Component::processFrame() {
switch (this->current_frame_type_) {
case BREATH_RATE_TYPE_BUFFER:
if (this->breath_rate_sensor_ != nullptr) {
this->current_breath_rate_int_ =
(static_cast<uint32_t>(current_data_buf[3]) << 24) | (static_cast<uint32_t>(current_data_buf[2]) << 16) |
(static_cast<uint32_t>(current_data_buf[1]) << 8) | static_cast<uint32_t>(current_data_buf[0]);
float breath_rate_float;
memcpy(&breath_rate_float, &current_breath_rate_int_, sizeof(float));
this->breath_rate_sensor_->publish_state(breath_rate_float);
}
this->current_frame_locate_ = LOCATE_FRAME_HEADER;
break;
case HEART_RATE_TYPE_BUFFER:
if (this->heart_rate_sensor_ != nullptr) {
this->current_heart_rate_int_ =
(static_cast<uint32_t>(current_data_buf[3]) << 24) | (static_cast<uint32_t>(current_data_buf[2]) << 16) |
(static_cast<uint32_t>(current_data_buf[1]) << 8) | static_cast<uint32_t>(current_data_buf[0]);
float heart_rate_float;
memcpy(&heart_rate_float, &current_heart_rate_int_, sizeof(float));
this->heart_rate_sensor_->publish_state(heart_rate_float);
}
this->current_frame_locate_ = LOCATE_FRAME_HEADER;
break;
case DISTANCE_TYPE_BUFFER:
if (!current_data_buf[0]) {
// ESP_LOGD(TAG, "Successfully set the mounting height");
if (this->distance_sensor_ != nullptr) {
this->current_distance_int_ =
(static_cast<uint32_t>(current_data_buf[7]) << 24) | (static_cast<uint32_t>(current_data_buf[6]) << 16) |
(static_cast<uint32_t>(current_data_buf[5]) << 8) | static_cast<uint32_t>(current_data_buf[4]);
float distance_float;
memcpy(&distance_float, &current_distance_int_, sizeof(float));
this->distance_sensor_->publish_state(distance_float);
}
} else
ESP_LOGD(TAG, "Distance information is not output");
this->current_frame_locate_ = LOCATE_FRAME_HEADER;
break;
default:
break;
}
}
} // namespace seeed_mr60bha2
} // namespace esphome

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#pragma once
#include "esphome/core/defines.h"
#include "esphome/core/component.h"
#ifdef USE_SENSOR
#include "esphome/components/sensor/sensor.h"
#endif
#include "esphome/components/uart/uart.h"
#include "esphome/core/automation.h"
#include "esphome/core/helpers.h"
#include <map>
namespace esphome {
namespace seeed_mr60bha2 {
static const uint8_t DATA_BUF_MAX_SIZE = 12;
static const uint8_t FRAME_BUF_MAX_SIZE = 21;
static const uint8_t LEN_TO_HEAD_CKSUM = 8;
static const uint8_t LEN_TO_DATA_FRAME = 9;
static const uint8_t FRAME_HEADER_BUFFER = 0x01;
static const uint16_t BREATH_RATE_TYPE_BUFFER = 0x0A14;
static const uint16_t HEART_RATE_TYPE_BUFFER = 0x0A15;
static const uint16_t DISTANCE_TYPE_BUFFER = 0x0A16;
enum FrameLocation {
LOCATE_FRAME_HEADER,
LOCATE_ID_FRAME1,
LOCATE_ID_FRAME2,
LOCATE_LENGTH_FRAME_H,
LOCATE_LENGTH_FRAME_L,
LOCATE_TYPE_FRAME1,
LOCATE_TYPE_FRAME2,
LOCATE_HEAD_CKSUM_FRAME, // Header checksum: [from the first byte to the previous byte of the HEAD_CKSUM bit]
LOCATE_DATA_FRAME,
LOCATE_DATA_CKSUM_FRAME, // Data checksum: [from the first to the previous byte of the DATA_CKSUM bit]
LOCATE_PROCESS_FRAME,
};
class MR60BHA2Component : public Component,
public uart::UARTDevice { // The class name must be the name defined by text_sensor.py
#ifdef USE_SENSOR
SUB_SENSOR(breath_rate);
SUB_SENSOR(heart_rate);
SUB_SENSOR(distance);
#endif
protected:
uint8_t current_frame_locate_;
uint8_t current_frame_buf[FRAME_BUF_MAX_SIZE];
uint8_t current_data_buf[DATA_BUF_MAX_SIZE];
uint16_t current_frame_id_;
size_t current_frame_len_;
size_t current_data_frame_len_;
uint16_t current_frame_type_;
uint32_t current_breath_rate_int_;
uint32_t current_heart_rate_int_;
uint32_t current_distance_int_;
bool validateChecksum(const uint8_t *data, size_t len, uint8_t expected_checksum);
uint8_t calculateChecksum(const uint8_t *data, size_t len);
void splitFrame(uint8_t buffer);
void processFrame();
public:
float get_setup_priority() const override { return esphome::setup_priority::LATE; }
void setup() override;
void dump_config() override;
void loop() override;
};
} // namespace seeed_mr60bha2
} // namespace esphome

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import esphome.codegen as cg
from esphome.components import sensor
import esphome.config_validation as cv
from esphome.const import (
DEVICE_CLASS_DISTANCE,
UNIT_CENTIMETER,
CONF_DISTANCE,
)
from . import CONF_MR60BHA2_ID, MR60BHA2Component
AUTO_LOAD = ["seeed_mr60bha2"]
CONF_BREATH_RATE = "breath_rate"
CONF_HEART_RATE = "heart_rate"
CONFIG_SCHEMA = cv.Schema(
{
cv.GenerateID(CONF_MR60BHA2_ID): cv.use_id(MR60BHA2Component),
cv.Optional(CONF_BREATH_RATE): sensor.sensor_schema(
accuracy_decimals=2,
icon="mdi:counter",
),
cv.Optional(CONF_HEART_RATE): sensor.sensor_schema(
accuracy_decimals=2,
icon="mdi:counter",
),
cv.Optional(CONF_DISTANCE): sensor.sensor_schema(
device_class=DEVICE_CLASS_DISTANCE,
unit_of_measurement=UNIT_CENTIMETER,
accuracy_decimals=2, # Specify the number of decimal places
icon="mdi:signal-distance-variant",
),
}
)
async def to_code(config):
mr60bha2_component = await cg.get_variable(config[CONF_MR60BHA2_ID])
if breath_rate_config := config.get(CONF_BREATH_RATE):
sens = await sensor.new_sensor(breath_rate_config)
cg.add(mr60bha2_component.set_breath_rate_sensor(sens))
if heart_rate_config := config.get(CONF_HEART_RATE):
sens = await sensor.new_sensor(heart_rate_config)
cg.add(mr60bha2_component.set_heart_rate_sensor(sens))
if distance_config := config.get(CONF_DISTANCE):
sens = await sensor.new_sensor(distance_config)
cg.add(mr60bha2_component.set_distance_sensor(sens))