131 lines
3.2 KiB
C++
Executable File
131 lines
3.2 KiB
C++
Executable File
/* Hamshield
|
|
* Example: Parrot
|
|
* Record sound and then plays it back a few times. Very low
|
|
* sound quality @ 2KHz 0.75 seconds. A bit robotic and weird.
|
|
* You will need a HandyTalkie (HT) to test the output of this
|
|
* example.
|
|
* Connect the HamShield to your Arduino. Screw the antenna
|
|
* into the HamShield RF jack. Plug a pair of headphones with
|
|
* built-in mic into the HamShield. Connect the Arduino to
|
|
* wall power and then to your computer via USB. To test the
|
|
* output, tune you HT to 446MHz. Recording should be repeated
|
|
* ten times.
|
|
*/
|
|
|
|
#include <HamShield.h>
|
|
|
|
#define PWM_PIN 3
|
|
#define RESET_PIN A3
|
|
#define SWITCH_PIN 2
|
|
|
|
#define RATE 500
|
|
#define SIZE 1500
|
|
|
|
HamShield radio;
|
|
|
|
char sound[SIZE];
|
|
unsigned int sample1;
|
|
int x = -1;
|
|
int16_t rssi;
|
|
byte mode = 8;
|
|
|
|
void setup() {
|
|
// NOTE: if not using PWM out, it should be held low to avoid tx noise
|
|
pinMode(PWM_PIN, OUTPUT);
|
|
digitalWrite(PWM_PIN, LOW);
|
|
|
|
// prep the switch
|
|
pinMode(SWITCH_PIN, INPUT_PULLUP);
|
|
|
|
// set up the reset control pin
|
|
pinMode(RESET_PIN, OUTPUT);
|
|
digitalWrite(RESET_PIN, HIGH);
|
|
|
|
// int result = radio.testConnection();
|
|
radio.initialize();
|
|
radio.frequency(446000);
|
|
setPwmFrequency(9, 1);
|
|
}
|
|
|
|
|
|
|
|
void loop() {
|
|
rssi = radio.readRSSI();
|
|
if(rssi > -100) {
|
|
if(x == -1) {
|
|
for(x = 0; x < SIZE; x++) {
|
|
if(mode == 4) {
|
|
sample1 = analogRead(0);
|
|
sound[x] = sample1 >> 4;
|
|
delayMicroseconds(RATE); x++;
|
|
sample1 = analogRead(0);
|
|
sound[x] = (sample1 & 0xF0) | sound[x];
|
|
delayMicroseconds(RATE);
|
|
} else {
|
|
sound[x] = analogRead(0);
|
|
delayMicroseconds(RATE); x++;
|
|
sound[x] = analogRead(0);
|
|
delayMicroseconds(RATE);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if(rssi < -100) {
|
|
if(x == 1500) {
|
|
radio.setModeTransmit();
|
|
delay(500);
|
|
tone(9,1000,500); delay(750);
|
|
for(int r = 0; r < 10; r++) {
|
|
for(x = 0; x < SIZE; x++) {
|
|
if(mode == 4) {
|
|
|
|
analogWrite(9,sound[x] << 4);
|
|
delayMicroseconds(RATE); x++;
|
|
analogWrite(9,sound[x] & 0xF);
|
|
delayMicroseconds(RATE); } else {
|
|
|
|
analogWrite(9,sound[x]);
|
|
delayMicroseconds(RATE); x++;
|
|
analogWrite(9,sound[x]);
|
|
delayMicroseconds(RATE);
|
|
}
|
|
} }
|
|
tone(9,1000,500); delay(750);
|
|
radio.setModeReceive();
|
|
x = -1;
|
|
}
|
|
}
|
|
}
|
|
|
|
void setPwmFrequency(int pin, int divisor) {
|
|
byte mode;
|
|
if(pin == 5 || pin == 6 || pin == 9 || pin == 10) {
|
|
switch(divisor) {
|
|
case 1: mode = 0x01; break;
|
|
case 8: mode = 0x02; break;
|
|
case 64: mode = 0x03; break;
|
|
case 256: mode = 0x04; break;
|
|
case 1024: mode = 0x05; break;
|
|
default: return;
|
|
}
|
|
if(pin == 5 || pin == 6) {
|
|
TCCR0B = TCCR0B & 0b11111000 | mode;
|
|
} else {
|
|
TCCR1B = TCCR1B & 0b11111000 | mode;
|
|
}
|
|
} else if(pin == 3 || pin == 11) {
|
|
switch(divisor) {
|
|
case 1: mode = 0x01; break;
|
|
case 8: mode = 0x02; break;
|
|
case 32: mode = 0x03; break;
|
|
case 64: mode = 0x04; break;
|
|
case 128: mode = 0x05; break;
|
|
case 256: mode = 0x06; break;
|
|
case 1024: mode = 0x7; break;
|
|
default: return;
|
|
}
|
|
TCCR2B = TCCR2B & 0b11111000 | mode;
|
|
}
|
|
}
|
|
|