Description
Board
ESP32
Device Description
ESP32-DevKitC-VIE
Hardware Configuration
many things
Version
v2.0.11
IDE Name
vscode + Platform IO
Operating System
Linux
Flash frequency
default?
PSRAM enabled
yes
Upload speed
default?
Description
Hopefully this is the proper place to post this -- if not please let me know:
strptime() does not seem to parse AM/PM correctly (using the %p token). You will see in the demo code that it fails to detect AM and always makes the time PM. On my desktop, that demo code will print "hour is 8" but on the ESP32 it will print "hour is 20".
My understanding is that the parsing of %p depends on the locale, which may not use AM/PM, but I don't see a way to configure things in a way that makes %p work.
Edit to add: %p does change how the parsing works, however. Parsing "8:00AM" or "8:00PM" comes back as 20:00 with %p present, or always 08:00 without %p.
Sketch
#include <Arduino.h>
#include <stdio.h>
#include <stdlib.h>
#include <locale.h>
#include <time.h>
void setup()
{
Serial.begin(115200);
while (!Serial) delay(10);
char timestr[7] = "8:00AM";
static struct tm temptm;
static time_t temptime;
temptime = time(NULL);
temptm = *localtime(&temptime);
strptime(timestr, "%I:%M%p", &temptm);
Serial.printf("hour is %d\n", temptm.tm_hour);
}
void loop()
{
delay(100);
}Debug Message
n/a
Other Steps to Reproduce
See also this user report: https://esp32.com/viewtopic.php?t=36652
I have checked existing issues, online documentation and the Troubleshooting Guide
- I confirm I have checked existing issues, online documentation and Troubleshooting guide.
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