Added a GPIO to power on/off for external I2C sensor(s) (with LEDs)

Dependencies:   UniGraphic mbed vt100

18-Jun-2018 外部センサの電源オン・オフ機能は下位互換の為に無効になっていました。 この版で再度有効にしました。

Revision:
0:846e2321c637
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/edge_utils/edge_time.h	Fri Apr 13 04:19:23 2018 +0000
@@ -0,0 +1,25 @@
+#ifndef _EDGE_TIME_H_
+#define _EDGE_TIME_H_
+#include "mbed.h"
+
+void init_timer(void) ;
+void set_time(const uint16_t  valueLen, const uint8_t *value) ;
+void ts2time(uint32_t timestamp, struct tm *tm) ; /* light version */
+void ts2tm(uint32_t timestamp, struct tm *date) ; /* full version */
+void print_time(void) ; /* light version */
+void print_time(uint32_t thetime) ;
+void print_time(struct tm *tm) ; /* light version */
+void print_date(struct tm *date) ; /* full version */
+void print_date_wd(struct tm *date) ; /* vull version with day of week */
+void time2str(char *timestr) ; /* light version */
+int32_t time2seq(uint32_t timestamp) ; /* hhmmss */
+void time2seq(uint32_t timestamp, char *timestr) ;
+void time2str(struct tm *tm, char *timestr) ; /* hh:mm:ss */
+void time2date(struct tm *tm, char *datestr) ; /* YYYY/MM/DD hh:mm:ss */
+void time2date(struct tm *tm, char *datestr) ; /* full version with day of week */
+
+extern const char *nameOfDay[] ;
+extern tm current_time ;
+extern uint32_t edge_time ;
+extern uint32_t utc_offset ;
+#endif /* _EDGE_TIME_H_ */