Diff: utils.h

Revision:

0:fa7450a43b99

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/utils.h	Mon Dec 04 09:32:20 2017 +0000
@@ -0,0 +1,69 @@
+/*
+  Plastic Logic EPD project on MSP430
+
+  Copyright (C) 2013 Plastic Logic Limited
+
+  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 INCLUDE_UTIL_H
+#define INCLUDE_UTIL_H 1
+
+//#include "FatFs/ff.h"
+#include <stdint.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#ifdef LOG_TAG
+#define LOG(msg, ...) \
+	do { printf("%-16s "msg"\n", LOG_TAG, ##__VA_ARGS__); } while (0)
+#else
+#define LOG(msg, ...)
+#endif
+
+#ifndef ARRAY_SIZE
+#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
+#endif
+
+#ifndef min
+#define min(x,y)	( (x) < (y) ? (x) : (y) )
+#endif
+#ifndef max
+#define max(x,y)	( (x) > (y) ? (x) : (y) )
+#endif
+
+#define DIV_ROUND_CLOSEST(x, divisor)(				\
+	{							\
+		(((x) + ((divisor) / 2)) / (divisor));		\
+	}							\
+)
+
+#define CPU_CLOCK_SPEED_IN_HZ	20000000L
+#if CPU_CLOCK_SPEED_IN_HZ < 1000000L
+#error CPU_CLOCK_SPEED_IN_HZ assumed to be more than 1MHz in delay timer calculations
+#endif
+
+/* -- Sleep & delay -- */
+
+extern void udelay(uint16_t us);
+extern void mdelay(uint16_t ms);
+extern void msleep(uint16_t ms);
+
+
+/* -- Debug utilities */
+
+/** Print the contents of a buffer with offsets on stdout */
+extern void dump_hex(const void *data, uint16_t len);
+
+#endif /* INCLUDE_UTIL_H */