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Code size optimisation of ESP.getResetReason() #7029

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merged 2 commits into from
Jan 30, 2020
Merged

Code size optimisation of ESP.getResetReason() #7029

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422733c
Code size optimisation of ESP.getResetReason()
dirkmueller Jan 21, 2020
0db0347
add break statement also to default case
dirkmueller Jan 30, 2020
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35 changes: 18 additions & 17 deletions cores/esp8266/Esp.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -468,23 +468,24 @@ bool EspClass::checkFlashCRC() {


String EspClass::getResetReason(void) {
char buff[32];
if (resetInfo.reason == REASON_DEFAULT_RST) { // normal startup by power on
strcpy_P(buff, PSTR("Power on"));
} else if (resetInfo.reason == REASON_WDT_RST) { // hardware watch dog reset
strcpy_P(buff, PSTR("Hardware Watchdog"));
} else if (resetInfo.reason == REASON_EXCEPTION_RST) { // exception reset, GPIO status won’t change
strcpy_P(buff, PSTR("Exception"));
} else if (resetInfo.reason == REASON_SOFT_WDT_RST) { // software watch dog reset, GPIO status won’t change
strcpy_P(buff, PSTR("Software Watchdog"));
} else if (resetInfo.reason == REASON_SOFT_RESTART) { // software restart ,system_restart , GPIO status won’t change
strcpy_P(buff, PSTR("Software/System restart"));
} else if (resetInfo.reason == REASON_DEEP_SLEEP_AWAKE) { // wake up from deep-sleep
strcpy_P(buff, PSTR("Deep-Sleep Wake"));
} else if (resetInfo.reason == REASON_EXT_SYS_RST) { // external system reset
strcpy_P(buff, PSTR("External System"));
} else {
strcpy_P(buff, PSTR("Unknown"));
const __FlashStringHelper* buff;

switch(resetInfo.reason) {
// normal startup by power on
case REASON_DEFAULT_RST: buff = F("Power On"); break;
// hardware watch dog reset
case REASON_WDT_RST: buff = F("Hardware Watchdog"); break;
// exception reset, GPIO status won’t change
case REASON_EXCEPTION_RST: buff = F("Exception"); break;
// software watch dog reset, GPIO status won’t change
case REASON_SOFT_WDT_RST: buff = F("Software Watchdog"); break;
// software restart ,system_restart , GPIO status won’t change
case REASON_SOFT_RESTART: buff = F("Software/System restart"); break;
// wake up from deep-sleep
case REASON_DEEP_SLEEP_AWAKE: buff = F("Deep-Sleep Wake"); break;
// // external system reset
case REASON_EXT_SYS_RST: buff = F("External System"); break;
default: buff = F("Unknown"); break;
}
return String(buff);
}
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