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libraries/M5Unit-ENV/src/unit/unit_ENV4.cpp

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+/*
+ * SPDX-FileCopyrightText: 2024 M5Stack Technology CO LTD
+ *
+ * SPDX-License-Identifier: MIT
+ */
+/*!
+  @file unit_ENV4.cpp
+  @brief ENV 4 Unit for M5UnitUnified
+*/
+#include "unit_ENV4.hpp"
+#include <M5Utility.hpp>
+
+namespace m5 {
+namespace unit {
+
+using namespace m5::utility::mmh3;
+using namespace m5::unit::types;
+
+const char UnitENV4::name[] = "UnitENV4";
+const types::uid_t UnitENV4::uid{"UnitENV4"_mmh3};
+const types::attr_t UnitENV4::attr{attribute::AccessI2C};
+
+UnitENV4::UnitENV4(const uint8_t addr) : Component(addr)
+{
+    // Form a parent-child relationship
+    auto cfg         = component_config();
+    cfg.max_children = 2;
+    component_config(cfg);
+    _valid = add(sht40, 0) && add(bmp280, 1);
+}
+
+std::shared_ptr<Adapter> UnitENV4::ensure_adapter(const uint8_t ch)
+{
+    if (ch > 2) {
+        M5_LIB_LOGE("Invalid channel %u", ch);
+        return std::make_shared<Adapter>();  // Empty adapter
+    }
+    auto unit = child(ch);
+    if (!unit) {
+        M5_LIB_LOGE("Not exists unit %u", ch);
+        return std::make_shared<Adapter>();  // Empty adapter
+    }
+    auto ad = asAdapter<AdapterI2C>(Adapter::Type::I2C);
+    return ad ? std::shared_ptr<Adapter>(ad->duplicate(unit->address())) : std::make_shared<Adapter>();
+}
+
+}  // namespace unit
+}  // namespace m5