Ronald Niederhagen
with gcc-arm-none-eabi-7-2017-q4-major the default typedef of time_t is "long long int". older releases typedef time_t as "long int". mbed lib cannot handle this correctly This applies to exported projects as "GCC (ARM-Embedded)"
Fork of
USBSerial_HelloWorld
by 
Samuel Mokrani
Diff: main.cpp
- Revision:
- 10:ee0528f8d38e
- Parent:
- 9:d88699a0905a
--- a/main.cpp Fri Mar 01 13:33:02 2013 +0000
+++ b/main.cpp Wed Feb 07 10:30:36 2018 +0000
@@ -1,14 +1,43 @@
#include "mbed.h"
-#include "USBSerial.h"
-
-//Virtual serial port over USB
-USBSerial serial;
-
-int main(void) {
-
- while(1)
- {
- serial.printf("I am a virtual serial port\r\n");
+
+#define SERIAL_TX PA_9
+#define SERIAL_RX PA_10
+Serial pc(SERIAL_TX, SERIAL_RX, 115200);
+
+int main(void)
+{
+ time_t t;
+ struct tm *tx;
+
+ pc.printf("++++++++++++++++++++++\nsizeof(time_t) = %d\n++++++++++++++++++++++\n",sizeof(time_t));
+
+ time(&t);
+ pc.printf("read RTC: %u\n",(int)t);
+ tx = localtime(&t);
+ pc.printf("ctime: %s", ctime(&t));
+ pc.printf("T: %d:%d:%d D: %d.%d.%d X: %d\n",
+ tx->tm_hour,tx->tm_min,tx->tm_sec,
+ tx->tm_mday,tx->tm_mon+1,tx->tm_year+1900,
+ tx->tm_isdst);
+
+ pc.printf("t = 0\n");
+ t = 0;
+ tx = localtime(&t);
+ pc.printf("ctime: %s", ctime(&t));
+ pc.printf("T: %d:%d:%d D: %d.%d.%d X: %d\n",
+ tx->tm_hour,tx->tm_min,tx->tm_sec,
+ tx->tm_mday,tx->tm_mon+1,tx->tm_year+1900,
+ tx->tm_isdst);
+
+ pc.printf("loop start\n");
+ while (1) {
+ tx = localtime(&t);
+ pc.printf("ctime: %s", ctime(&t));
+ pc.printf("T: %d:%d:%d D: %d.%d.%d X: %d\n",
+ tx->tm_hour,tx->tm_min,tx->tm_sec,
+ tx->tm_mday,tx->tm_mon+1,tx->tm_year+1900,
+ tx->tm_isdst);
wait(1);
+ t += 1;
}
-}
\ No newline at end of file
+}