Feature/m5angle8: Add support for m5angle8 input device (#6799)

Co-authored-by: Richard Nauber <richard@nauber.dev>
Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>

esphome/components/m5stack_8angle/sensor/__init__.py

@@ -0,0 +1,66 @@
+import esphome.codegen as cg
+import esphome.config_validation as cv
+from esphome.components import sensor
+
+from esphome.const import (
+    CONF_BIT_DEPTH,
+    CONF_CHANNEL,
+    CONF_RAW,
+    ICON_ROTATE_RIGHT,
+    STATE_CLASS_MEASUREMENT,
+)
+
+from .. import (
+    AnalogBits,
+    M5Stack8AngleComponent,
+    m5stack_8angle_ns,
+    CONF_M5STACK_8ANGLE_ID,
+)
+
+
+M5Stack8AngleKnobSensor = m5stack_8angle_ns.class_(
+    "M5Stack8AngleKnobSensor",
+    sensor.Sensor,
+    cg.PollingComponent,
+)
+
+
+BIT_DEPTHS = {
+    8: AnalogBits.BITS_8,
+    12: AnalogBits.BITS_12,
+}
+
+_validate_bits = cv.float_with_unit("bits", "bit")
+
+
+CONFIG_SCHEMA = cv.All(
+    cv.Schema(
+        {
+            cv.GenerateID(): cv.declare_id(M5Stack8AngleKnobSensor),
+            cv.GenerateID(CONF_M5STACK_8ANGLE_ID): cv.use_id(M5Stack8AngleComponent),
+            cv.Required(CONF_CHANNEL): cv.int_range(min=1, max=8),
+            cv.Optional(CONF_BIT_DEPTH, default="8bit"): cv.All(
+                _validate_bits, cv.enum(BIT_DEPTHS)
+            ),
+            cv.Optional(CONF_RAW, default=False): cv.boolean,
+        }
+    )
+    .extend(
+        sensor.sensor_schema(
+            M5Stack8AngleKnobSensor,
+            accuracy_decimals=2,
+            icon=ICON_ROTATE_RIGHT,
+            state_class=STATE_CLASS_MEASUREMENT,
+        )
+    )
+    .extend(cv.polling_component_schema("10s"))
+)
+
+
+async def to_code(config):
+    var = await sensor.new_sensor(config)
+    await cg.register_component(var, config)
+    await cg.register_parented(var, config[CONF_M5STACK_8ANGLE_ID])
+    cg.add(var.set_channel(config[CONF_CHANNEL] - 1))
+    cg.add(var.set_bit_depth(BIT_DEPTHS[config[CONF_BIT_DEPTH]]))
+    cg.add(var.set_raw(config[CONF_RAW]))

esphome/components/m5stack_8angle/sensor/m5stack_8angle_sensor.cpp

@@ -0,0 +1,24 @@
+#include "m5stack_8angle_sensor.h"
+
+namespace esphome {
+namespace m5stack_8angle {
+
+void M5Stack8AngleKnobSensor::update() {
+  if (this->parent_ != nullptr) {
+    int32_t raw_pos = this->parent_->read_knob_pos_raw(this->channel_, this->bits_);
+    if (raw_pos == -1) {
+      this->status_set_warning("Could not read knob position from M5Stack 8Angle.");
+      return;
+    }
+    if (this->raw_) {
+      this->publish_state(raw_pos);
+    } else {
+      float knob_pos = (float) raw_pos / ((1 << this->bits_) - 1);
+      this->publish_state(knob_pos);
+    }
+    this->status_clear_warning();
+  };
+}
+
+}  // namespace m5stack_8angle
+}  // namespace esphome

esphome/components/m5stack_8angle/sensor/m5stack_8angle_sensor.h

@@ -0,0 +1,27 @@
+#pragma once
+
+#include "esphome/components/sensor/sensor.h"
+#include "esphome/core/component.h"
+
+#include "../m5stack_8angle.h"
+
+namespace esphome {
+namespace m5stack_8angle {
+
+class M5Stack8AngleKnobSensor : public sensor::Sensor,
+                                public PollingComponent,
+                                public Parented<M5Stack8AngleComponent> {
+ public:
+  void update() override;
+  void set_channel(uint8_t channel) { this->channel_ = channel; };
+  void set_bit_depth(AnalogBits bits) { this->bits_ = bits; };
+  void set_raw(bool raw) { this->raw_ = raw; };
+
+ protected:
+  uint8_t channel_;
+  AnalogBits bits_;
+  bool raw_;
+};
+
+}  // namespace m5stack_8angle
+}  // namespace esphome