moved to configurable components, added SSD1306 support

components/ena-interface/include/ena-interface-datetime.h

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+// Copyright 2020 Lukas Haubaum
+//
+// Licensed under the GNU Affero General Public License, Version 3;
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+
+//     https://www.gnu.org/licenses/agpl-3.0.html
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+#ifndef _ena_INTERFACE_DATETIME_H_
+#define _ena_INTERFACE_DATETIME_H_
+
+typedef enum
+{
+    ENA_INTERFACE_DATETIME_STATE_YEAR = 0,
+    ENA_INTERFACE_DATETIME_STATE_MONTH,
+    ENA_INTERFACE_DATETIME_STATE_DAY,
+    ENA_INTERFACE_DATETIME_STATE_HOUR,
+    ENA_INTERFACE_DATETIME_STATE_MINUTE,
+    ENA_INTERFACE_DATETIME_STATE_SECONDS,
+} ena_inerface_datetime_state;
+
+void ena_interface_datetime_start(void);
+
+int ena_interface_datetime_state(void);
+
+#endif

components/ena-interface/include/ena-interface-menu.h

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+// Copyright 2020 Lukas Haubaum
+//
+// Licensed under the GNU Affero General Public License, Version 3;
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+
+//     https://www.gnu.org/licenses/agpl-3.0.html
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+#ifndef _ena_INTERFACE_MENU_H_
+#define _ena_INTERFACE_MENU_H_
+
+typedef enum
+{
+    ENA_INTERFACE_MENU_STATE_IDLE = 0,
+    ENA_INTERFACE_MENU_STATE_SELECT_TIME,
+    ENA_INTERFACE_MENU_STATE_SELECT_INFO,
+} ena_interface_menu_state;
+
+void ena_interface_menu_start(void);
+
+int ena_interface_menu_get_state(void);
+
+#endif

components/ena-interface/include/ena-interface.h

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+// Copyright 2020 Lukas Haubaum
+//
+// Licensed under the GNU Affero General Public License, Version 3;
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+
+//     https://www.gnu.org/licenses/agpl-3.0.html
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+#ifndef _ena_INTERFACE_H_
+#define _ena_INTERFACE_H_
+
+#define ENA_INTERFACE_LOG "ESP-ENA-interface" // TAG for Logging
+
+#define TOUCHPAD_FILTER_TOUCH_PERIOD (10)
+#define TOUCH_PAD_COUNT (4)
+#define TOUCH_PAD_ESC (TOUCH_PAD_NUM0)
+#define TOUCH_PAD_OK (TOUCH_PAD_NUM6)
+#define TOUCH_PAD_UP (TOUCH_PAD_NUM4)
+#define TOUCH_PAD_DOWN (TOUCH_PAD_NUM3)
+
+/**
+ * @brief different interface states
+ */
+typedef enum
+{
+    ENA_INTERFACE_STATE_IDLE = 0,    // ilde state, do nothing
+    ENA_INTERFACE_STATE_MENU,        // main menu
+    ENA_INTERFACE_STATE_SET_YEAR,    // set current year
+    ENA_INTERFACE_STATE_SET_MONTH,   // set current month
+    ENA_INTERFACE_STATE_SET_DAY,     // set current day
+    ENA_INTERFACE_STATE_SET_HOUR,    // set current hour
+    ENA_INTERFACE_STATE_SET_MINUTE,  // set current minute
+    ENA_INTERFACE_STATE_SET_SECONDS, // set current second
+    ENA_INTERFACE_STATE_STATUS,      // view current status
+} ena_interface_state;
+
+/**
+ * @brief       callback function on touch event
+ */
+typedef void (*ena_interface_touch_callback)(void);
+
+/**
+ * @brief       register a callback function for touch event
+ * 
+ * @param[in]   touch_pad   id of the touchpad to listen touch
+ * @param[in]   callback    callback function
+ */
+void ena_interface_register_touch_callback(int touch_pad, ena_interface_touch_callback callback);
+
+/**
+ * @brief       get current interface state
+ * 
+ * @return
+ *              current state the interface is in
+ */
+int ena_interface_get_state(void);
+
+/**
+ * @brief       set current interface state
+ * 
+ * @param[in]   state   new state to set
+ */
+void ena_interface_set_state(ena_interface_state state);
+
+/**
+ * @brief       start interface logic
+ * 
+ * This will initialize the touch controls and start a task to listen to touch
+ * inputs and calling the callbacks
+ */
+void ena_interface_start(void);
+
+#endif