restructuring

F1:F103/DS18/ds18.h

@@ -0,0 +1,49 @@
+/*
+ * This file is part of the DS18 project.
+ * Copyright 2021 Edward V. Emelianov <edward.emelianoff@gmail.com>.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+#ifndef DHT_H__
+#define DHT_H__
+
+#include <stm32f1.h>
+
+
+// state of device
+typedef enum{
+    DS18_SLEEP,
+    DS18_RESETTING,
+    DS18_DETECTING,
+    DS18_DETDONE,
+    DS18_RDYTOSEND,
+    DS18_READING,
+    DS18_GOTANSWER,
+    DS18_ERROR
+} DS18_state;
+
+void DS18_pinsetup();
+int DS18_start();
+int DS18_readID();
+DS18_state DS18_getstate();
+void DS18_process(uint32_t Tms);
+int DS18_readScratchpad();
+void DS18_poll();
+
+void DS18_clearID();
+void DS18_setID(const uint8_t ID[8]);
+
+#endif // DHT_H__
+