Diff: main.cpp

Revision:

0:2a445788550e

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Wed Jun 09 20:06:08 2021 +0000
@@ -0,0 +1,42 @@
+/*
+--------------------
+Author: L. Arrigoni
+May 2021
+--------------------
+
+Simple test with RTC module and STM32F411RE Nucleo board.
+DS1302 powered by 3.3 V without pull up resistor on I2C lines
+
+*/
+
+
+#define SCLK    D15
+#define IO      D14
+#define CE      D8
+
+//Comment this line if the DS1302 is already running
+//#define INITIAL_RUN
+
+#include "mbed.h"
+#include "DS1302.h"
+
+DS1302 clk(SCLK, IO, CE);
+
+int main() {
+    #ifdef INITIAL_RUN
+    //clk.set_time(1256729737);
+    clk.set_time(1623257900);  //from https://www.unixtimestamp.com/
+    #endif
+    
+    char storedByte = clk.recallByte(0);
+    printf("\r\nStored byte was %d, now increasing by one\r\n", storedByte);
+    clk.storeByte(0, storedByte + 1);
+    
+    while(1) {
+        time_t seconds = clk.time(NULL);
+        printf("Date and time: %s\r", ctime(&seconds));
+        wait(1);
+    }
+}
+
+