284 lines
6.4 KiB
Arduino
284 lines
6.4 KiB
Arduino
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// BlueHAM Proto01 Connection Guide
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/**********************
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**
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** BlueHAM Proto01 <--> Arduino
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** ADC_SCL A5
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** ADC_DIO A4
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** GND GND
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** PWM_RF_CTL D9
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**
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** Setting Connections
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** MODE -> GND
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** SENB -> GND
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** PDN -> 3.3V
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** AVDD -> 5V (note this should be a beefy supply, could draw up to 4As)
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**
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**
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**
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** Pinout information for RadioPeripheral01 Prototype board
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** GPIO0 -
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** GPIO1 -
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** GPIO2 - VHF_SEL
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** GPIO3 - UHF_SEL
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** GPIO4 - RX_EN
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** GPIO5 - TX_EN
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** GPIO6 -
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** GPIO7 -
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**************************/
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// Arduino Wire library is required if I2Cdev I2CDEV_ARDUINO_WIRE implementation
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// is used in I2Cdev.h
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#include "Wire.h"
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#include "HAMShield.h"
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#include <Goertzel.h>
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//typedef enum {
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#define MAIN_S 0
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#define RX_S 1
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#define TX_S 2
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#define FREQ_S 3
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#define UHF_S 4
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#define VHF_S 5
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#define PWR_S 6
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#define GPIO_S 7
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//} menu_view;
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int state;
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/* goertzel routines */
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int sensorPin = A0;
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int led = 13;
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const float TARGET_FREQUENCY = 2200;
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const int N = 100;
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const float THRESHOLD = 4000;
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const float SAMPLING_FREQUENCY = 8900;
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Goertzel goertzel = Goertzel(TARGET_FREQUENCY, N, SAMPLING_FREQUENCY);
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// create object for RDA
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HAMShield radio;
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#define LED_PIN 13
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bool blinkState = false;
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void setup() {
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// initialize serial communication
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Serial.begin(115200);
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Serial.println("beginning radio setup");
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// join I2C bus (I2Cdev library doesn't do this automatically)
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Wire.begin();
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// verify connection
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Serial.println("Testing device connections...");
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Serial.println(radio.testConnection() ? "RDA radio connection successful" : "RDA radio connection failed");
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// initialize device
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Serial.println("Initializing I2C devices...");
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radio.initialize(); // initializes automatically for UHF 12.5kHz channel
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Serial.println("setting default Radio configuration");
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// set frequency
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Serial.println("changing frequency");
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radio.setFrequency(446000); // in kHz
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radio.setModeReceive();
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// configure Arduino LED for
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pinMode(LED_PIN, OUTPUT);
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state = MAIN_S;
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print_menu();
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}
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void loop() {
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goertzel.sample(sensorPin);
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float magnitude = goertzel.detect();
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if(magnitude>THRESHOLD) digitalWrite(led, HIGH); //if found, enable led
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else digitalWrite(led, LOW);
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while (Serial.available()) {
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if (state == FREQ_S) {
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char freq_khz[6];
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int i = 0;
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while(i < 6) {
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if (Serial.available()) {
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freq_khz[i] = Serial.read();
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i++;
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}
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}
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// interpret frequency
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uint32_t freq = 0;
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i = 0;
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while (i < 6) {
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uint32_t temp = freq_khz[i] - '0';
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for (int k = 5-i; k > 0; k--) {
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temp = temp * 10;
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}
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freq += temp;
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i++;
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}
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Serial.print("setting frequency to: ");
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Serial.println(freq);
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radio.setFrequency(freq);
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state = MAIN_S;
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} else if (state == PWR_S) {
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uint8_t pwr_raw[3];
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int i = 0;
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while(i < 3) {
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if (Serial.available()) {
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pwr_raw[i] = Serial.read();
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i++;
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}
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}
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// interpret power
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uint8_t pwr = 0;
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i = 0;
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while (i < 3) {
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uint8_t temp = pwr_raw[i] - '0';
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for (int k = 2-i; k > 0; k--) {
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temp = temp * 10;
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}
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pwr += temp;
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i++;
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}
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Serial.print("Setting power to: ");
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Serial.println(pwr);
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radio.setRfPower(pwr);
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state = MAIN_S;
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} else if (state == GPIO_S) {
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uint8_t gpio_raw[2];
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int i = 0;
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while(i < 2) {
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if (Serial.available()) {
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gpio_raw[i] = Serial.read();
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i++;
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}
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}
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uint16_t gpio_pin = gpio_raw[0] - 48; // '0';
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uint16_t gpio_mode = gpio_raw[1] - 48;
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radio.setGpioMode(gpio_pin, gpio_mode);
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state = MAIN_S;
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} else {
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char action = Serial.read();
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if (action == 'r') { // get current state
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state = RX_S;
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} else if (action == 't') {
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state = TX_S;
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} else if (action == 'f') {
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state = FREQ_S;
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} else if (action == 'u') {
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state = UHF_S;
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} else if (action == 'v') {
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state = VHF_S;
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} else if (action == '1') {
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turn_on(state);
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state = MAIN_S;
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} else if (action == '0') {
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turn_off(state);
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state = MAIN_S;
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} else if (action == 'p') {
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state = PWR_S;
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} else if (action == 'g') {
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state = GPIO_S;
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} else if (action == 's') {
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int16_t rssi = radio.readRSSI();
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Serial.print("rssi: ");
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Serial.println(rssi);
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} else if (action == 'i') {
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int16_t vssi = radio.readVSSI();
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Serial.print("vssi: ");
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Serial.println(vssi);
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}
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Serial.println(action);
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}
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Serial.flush();
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print_menu();
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}
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}
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void turn_off(int dev) {
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switch (dev) {
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case RX_S:
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radio.setRX(0);
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break;
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case TX_S:
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radio.setTX(0);
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break;
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case UHF_S:
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radio.setGpioMode(3, 3); // set GPIO3 high (uhf is active low)
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break;
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case VHF_S:
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radio.setGpioMode(2, 3); // set GPIO2 high (vhf is active low)
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break;
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default:
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break;
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}
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}
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void turn_on(int dev) {
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switch (dev) {
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case RX_S:
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radio.setRX(1);
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break;
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case TX_S:
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radio.setTX(1);
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break;
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case UHF_S:
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radio.setGpioMode(3, 2); // set GPIO3 low (uhf is active low)
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break;
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case VHF_S:
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radio.setGpioMode(2, 2); // set GPIO2 low (uhf is active low)
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break;
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default:
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break;
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}
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}
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void print_menu() {
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Serial.println("MENU");
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switch (state) {
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case MAIN_S:
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Serial.println("select step: [r]x, [t]x, [f]req, [u]hf, [v]hf, [p]wr, [g]pio control, r[s]si, vss[i] ...");
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break;
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case RX_S:
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Serial.println("enter 1 to turn on rx, 0 to turn off rx");
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break;
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case TX_S:
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Serial.println("enter 1 to turn on tx, 0 to turn off tx");
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break;
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case FREQ_S:
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Serial.println("enter frequency in kHz (ffffff)");
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break;
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case UHF_S:
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Serial.println("enter 1 to turn on uhf, 0 to turn off uhf");
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break;
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case VHF_S:
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Serial.println("enter 1 to turn on vhf, 0 to turn off vhf");
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break;
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case PWR_S:
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Serial.println("enter power (raw) (ppp)");
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break;
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case GPIO_S:
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Serial.println("enter GPIO pin and control (no spaces, eg pin 1 mode 3 is 13");
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Serial.println("modes 0 - HiZ, 1 - FCN, 2 - Low, 3 - Hi");
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break;
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default:
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state = MAIN_S;
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break;
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}
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}
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