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Ligne 75 :
Ligne 75 : − if (!rf69.setFrequency(RF69_FREQ)) {+ − + − + + + + + + + + + + +
ENG-CANSAT-RFM69HCW-TEST (voir la source)
Version du 12 octobre 2018 à 17:26
, 12 octobre 2018 à 17:26→Frequency & Encryption
{{underline|Tuned frequency:}}
{{underline|Tuned frequency:}}
The tuned frequency is declared with a line like this:
The tuned frequency is declared with a line like this:
<syntaxhighlight lang="c"> if (!rf69.setFrequency(RF69_FREQ)) {
Serial.println("setFrequency failed");
Serial.println("setFrequency failed");
}
}</syntaxhighlight>
where the tuned frequency is declared with the constant '''RF69_FREQ'''.
where the tuned frequency is declared with the constant '''RF69_FREQ'''.
#define RF69_FREQ 433.0
<syntaxhighlight lang="c">#define RF69_FREQ 433.0</syntaxhighlight>
== Encyption Key ==
The module encrypts the data with AES-128.
The encryption key is defined into the following lines.
<syntaxhighlight lang="c"> // The encryption key has to be the same as the one in the server
uint8_t key[] = { 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08};
rf69.setEncryptionKey(key);</syntaxhighlight>
== The Emitter ==
== The Emitter ==