restructuring

F0:F030,F042,F072/TM1637/i2c.h

@@ -0,0 +1,30 @@
+/*
+ * This file is part of the TM1637 project.
+ * Copyright 2019 Edward Emelianov <eddy@sao.ru>.
+ *
+ * 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/>.
+ */
+
+#ifndef I2C_H__
+#define I2C_H__
+
+#include "stm32f0.h"
+
+// timeout in ms
+#define I2C_TIMEOUT             (15)
+
+uint8_t read_i2c(uint8_t command, uint8_t *data);
+uint8_t write_i2c(const uint8_t *commands, uint8_t nbytes);
+
+#endif // I2C_H__