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Small grammar fixes and clarifications (#1003)

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* Small grammar fixes and clarifications

Just fixed some small grammar issues in the comments and clarified a few things that might seem confusing.

* More spelling fixes that I introduced...
This commit is contained in:
Joey Babcock 2018-01-17 14:59:35 -08:00 committed by Me No Dev
parent 528caff7f9
commit 964287727f
1 changed files with 13 additions and 13 deletions
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26
libraries/Preferences/examples/StartCounter/StartCounter.ino
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@ -1,8 +1,8 @@
/* /*
ESP32 start counter example with Preferences library ESP32 startup counter example with Preferences library.
This simple example demonstrate using Preferences library to store how many times This simple example demonstrates using the Preferences library to store how many times
was ESP32 module started. Preferences library is wrapper around Non-volatile the ESP32 module has booted. The Preferences library is a wrapper around the Non-volatile
storage on ESP32 processor. storage on ESP32 processor.
created for arduino-esp32 09 Feb 2017 created for arduino-esp32 09 Feb 2017
@ -17,29 +17,29 @@ void setup() {
Serial.begin(115200); Serial.begin(115200);
Serial.println(); Serial.println();
// Open Preferences with my-app namespace. Each application module, library, etc. // Open Preferences with my-app namespace. Each application module, library, etc
// has to use namespace name to prevent key name collisions. We will open storage in // has to use a namespace name to prevent key name collisions. We will open storage in
// RW-mode (second parameter has to be false). // RW-mode (second parameter has to be false).
// Note: Namespace name is limited to 15 chars // Note: Namespace name is limited to 15 chars.
preferences.begin("my-app", false); preferences.begin("my-app", false);
// Remove all preferences under opened namespace // Remove all preferences under the opened namespace
//preferences.clear(); //preferences.clear();
// Or remove the counter key only // Or remove the counter key only
//preferences.remove("counter"); //preferences.remove("counter");
// Get a counter value, if key is not exist return default value 0 // Get the counter value, if the key does not exist, return a default value of 0
// Note: Key name is limited to 15 chars too // Note: Key name is limited to 15 chars.
unsigned int counter = preferences.getUInt("counter", 0); unsigned int counter = preferences.getUInt("counter", 0);
// Increase counter // Increase counter by 1
counter++; counter++;
// Print counter to a Serial // Print the counter to Serial Monitor
Serial.printf("Current counter value: %u\n", counter); Serial.printf("Current counter value: %u\n", counter);
// Store counter to the Preferences // Store the counter to the Preferences
preferences.putUInt("counter", counter); preferences.putUInt("counter", counter);
// Close the Preferences // Close the Preferences
@ -53,4 +53,4 @@ void setup() {
ESP.restart(); ESP.restart();
} }
void loop() {} void loop() {}