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Add stack repainting call to ESP class (#5221)

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Allow the unused stack to be reset to the check value at any time in
the application, allowing for delta-stack calculations to be done.

Add ESP.resetFreeContStack() class method for general use.

Add in some dumping in the BearSSL_Validation example to show the
usage for those that care.
This commit is contained in:
Earle F. Philhower, III
2018-10-11 08:55:30 -07:00
committed by GitHub
parent d17ffc2874
commit 1b1b0a28a8
5 changed files with 31 additions and 1 deletions
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5
libraries/ESP8266WiFi/examples/BearSSL_Validation/BearSSL_Validation.ino
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@ -38,6 +38,8 @@ void fetchURL(BearSSL::WiFiClientSecure *client, const char *host, const uint16_
path = "/";
}
ESP.resetFreeContStack();
uint32_t freeStackStart = ESP.getFreeContStack();
Serial.printf("Trying: %s:443...", host);
client->connect(host, port);
if (!client->connected()) {
@ -72,7 +74,8 @@ void fetchURL(BearSSL::WiFiClientSecure *client, const char *host, const uint16_
} while (millis() < to);
}
client->stop();
Serial.printf("\n-------\n\n");
uint32_t freeStackEnd = ESP.getFreeContStack();
Serial.printf("\nCONT stack used: %d\n-------\n\n", freeStackStart - freeStackEnd);
}
void fetchNoConfig() {