Initial create

hdc302x/hdc302x.go

@@ -0,0 +1,69 @@
+// Copyright 2024 The Periph Authors. All rights reserved.
+// Use of this source code is governed under the Apache License, Version 2.0
+// that can be found in the LICENSE file.
+//
+// This package provides a driver for the Texas Instruments HDC3021/3022
+// I2C Temperature/Humidity Sensors
+//
+// The datasheet is available at:
+//
+//      https://www.ti.com/lit/ds/symlink/hdc3022.pdf
+package hdc302x
+
+import (
+	"errors"
+	"fmt"
+	"sync"
+	"time"
+
+	"periph.io/x/conn/v3"
+	"periph.io/x/conn/v3/i2c"
+	"periph.io/x/conn/v3/physic"
+)
+
+// NewI2C returns a new HDC302x sensor using the specified bus and address.
+// If opts is not supplied, the configuration of the sensor is set to the
+// default on startup.
+func NewI2C(b i2c.Bus, addr uint16, opts *Opts) (*Dev, error) {
+    if opts == nil {
+        opts = &Opts{SampleRate: RateFourHertz, AlertSetting: ModeComparator}
+    }
+    d := &Dev{d: &i2c.Dev{Bus: b, Addr: addr}, opts: opts, shutdown: nil}
+    return d, d.start()
+}
+
+// Halt shuts down the device. If a SenseContinuous operation is in progress,
+// its aborted. Implements conn.Resource
+func (dev *Dev) Halt() error {
+}
+
+// Sense reads temperature from the device and writes the value to the specified
+// env variable. Implements physic.SenseEnv.
+func (dev *Dev) Sense(env *physic.Env) error {
+}
+
+// SenseContinuous continuously reads from the device and writes the value to
+// the returned channel. Implements physic.SenseEnv. To terminate the
+// continuous read, call Halt().
+func (dev *Dev) SenseContinuous(interval time.Duration) (<-chan physic.Env, error) {
+}
+
+// Precision returns the sensor's precision, or minimum value between steps the
+// device can make. The specified precision is 0.0625 degrees Celsius. Note
+// that the accuracy of the device is +/- 0.5 degrees Celsius.
+func (dev *Dev) Precision(env *physic.Env) {
+    env.Temperature = _DEGREES_RESOLUTION
+    env.Pressure = 0
+    env.Humidity = 0
+}
+
+func (dev *Dev) String() string {
+    return fmt.Sprintf("hdc302x: %s", dev.d.String())
+}
+
+
+
+
+
+var _ conn.Resource = &Dev{}
+var _ physic.SenseEnv = &Dev{}