Radio Frequency Communications in Arduino Projects by Yury Magda

Author:Yury Magda [Magda, Yury]
Language: eng
Format: azw3
Publisher: Yury Magda
Published: 2013-12-10T05:00:00+00:00

// int freq = 0xF7CC; F = 45.0 MHz

// int freq = 0xFA34; F = 50.0 MHz

// int freq = 0xFF3C; F = 65.0 MHz

int freq = 0xFA28; // F = 49.86 MHz

void WriteOsc(void)

{

digitalWrite(pSEN, HIGH); // the CS is brought HIGH

digitalWrite(pSEN, LOW); // Framing begins by bringing CS low

for (int i1 = 0; i1 < 16; i1++)

{

digitalWrite(pSCK, LOW); // SCK goes LOW

tmp = freq & 0x8000;

digitalWrite(pSDI, LOW);

if (tmp)

digitalWrite(pSDI, HIGH);

digitalWrite(pSCK, HIGH);

freq = freq << 1;

}

digitalWrite(pSEN, HIGH); // the end of the conversion

}

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