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fix: proper fallback for datetime display if no NMEA string has been received yet

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s3lph 2023-05-07 04:58:49 +02:00
parent 78a9dfb99a
commit 913ecf3f3f
Signed by: s3lph
GPG key ID: 0AA29A52FB33CFB5
1 changed files with 13 additions and 7 deletions
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20
src/main.cpp
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@ -352,13 +352,18 @@ void printLocation() {
void printDateTime() {
char dateTime[17];
char speedCourse[17];
snprintf(dateTime, 17, "%.2s.%.2s.%.2s %.2s:%.2sz",
rmc.date, rmc.date+2, rmc.date+4,
rmc.time, rmc.time+2);
uint16_t kph = (strtol(rmc.speed, NULL, 10) * 463) / 250;
uint16_t hdg = strtol(rmc.course, NULL, 10);
snprintf(speedCourse, 17, "% 3d km/h% 6d \xdf",
kph, hdg);
if (rmc.date[0] != 0) {
snprintf(dateTime, 17, "%.2s.%.2s.%.2s %.2s:%.2sz",
rmc.date, rmc.date+2, rmc.date+4,
rmc.time, rmc.time+2);
uint16_t kph = (strtol(rmc.speed, NULL, 10) * 463) / 250;
uint16_t hdg = strtol(rmc.course, NULL, 10);
snprintf(speedCourse, 17, "% 3d km/h% 6d \xdf",
kph, hdg);
} else {
snprintf(dateTime, 17, "??.??.?? ??:??z");
snprintf(speedCourse, 17, "??? km/h ??? \xdf");
}
lcd.setCursor(0, 0);
lcd.print(dateTime);
@ -682,6 +687,7 @@ void setup() {
attachInterrupt(digitalPinToInterrupt(3), isrAbc, FALLING);
lcd.init();
lcd.noDisplay();
lcd.noBacklight();
setPressed = false;
abcPressed = false;
}