restructuring

F0:F030,F042,F072/Socket_fans/flash.h

@@ -0,0 +1,51 @@
+/*
+ * This file is part of the SockFans project.
+ * Copyright 2020 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 FLASH_H__
+#define FLASH_H__
+
+#include "hardware.h"
+
+#define FLASH_BLOCK_SIZE    (1024)
+#define FLASH_SIZE_REG      ((uint32_t)0x1FFFF7CC)
+#define FLASH_SIZE          *((uint16_t*)FLASH_SIZE_REG)
+
+#define TMINNO  (3)
+#define TMAXNO  (4)
+
+/*
+ * struct to save user configurations
+ */
+typedef struct __attribute__((packed, aligned(4))){
+    uint16_t userconf_sz;       // "magick number"
+    uint32_t Tturnoff;          // wait for Tturnoff ms before turning power off
+    uint32_t Thyst;             // Thysteresis
+    int16_t Tmin[TMINNO];       // minT
+    int16_t Tmax[TMAXNO];       // maxT
+} user_conf;
+
+extern user_conf the_conf; // global user config (read from FLASH to RAM)
+// data from ld-file: start address of storage
+extern const uint32_t __varsstart;
+
+void flashstorage_init();
+int store_userconf();
+void dump_userconf();
+
+#endif // FLASH_H__