ads1118 component (#5711)

Co-authored-by: Solomon <solomon.gorkhover@finnpartners.com>
Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>

esphome/components/ads1118/sensor/ads1118_sensor.cpp

@@ -0,0 +1,29 @@
+#include "ads1118_sensor.h"
+
+#include "esphome/core/log.h"
+
+namespace esphome {
+namespace ads1118 {
+
+static const char *const TAG = "ads1118.sensor";
+
+void ADS1118Sensor::dump_config() {
+  LOG_SENSOR("  ", "ADS1118 Sensor", this);
+  ESP_LOGCONFIG(TAG, "    Multiplexer: %u", this->multiplexer_);
+  ESP_LOGCONFIG(TAG, "    Gain: %u", this->gain_);
+}
+
+float ADS1118Sensor::sample() {
+  return this->parent_->request_measurement(this->multiplexer_, this->gain_, this->temperature_mode_);
+}
+
+void ADS1118Sensor::update() {
+  float v = this->sample();
+  if (!std::isnan(v)) {
+    ESP_LOGD(TAG, "'%s': Got Voltage=%fV", this->get_name().c_str(), v);
+    this->publish_state(v);
+  }
+}
+
+}  // namespace ads1118
+}  // namespace esphome