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Commit 6466f0e

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facchinmfacchinm
committed
NDP: introduce high level library for Nicla Voice
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‎libraries/NDP/examples/AlexaDemo/AlexaDemo.ino

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+79Lines changed: 79 additions & 0 deletions
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#include "NDP.h"
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//const bool lowestPower = true;
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const bool lowestPower = false;
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void ledBlueOn(char* label) {
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nicla::leds.begin();
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nicla::leds.setColor(blue);
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delay(200);
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nicla::leds.setColor(off);
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if (!lowestPower) {
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Serial.println(label);
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}
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nicla::leds.end();
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}
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void ledGreenOn() {
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nicla::leds.begin();
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nicla::leds.setColor(green);
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delay(200);
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nicla::leds.setColor(off);
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nicla::leds.end();
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}
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void ledRedBlink() {
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while (1) {
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nicla::leds.begin();
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nicla::leds.setColor(red);
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delay(200);
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nicla::leds.setColor(off);
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delay(200);
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nicla::leds.end();
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}
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}
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void setup() {
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Serial.begin(115200);
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nicla::begin();
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nicla::disableLDO();
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nicla::leds.begin();
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NDP.onError(ledRedBlink);
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NDP.onMatch(ledBlueOn);
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NDP.onEvent(ledGreenOn);
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Serial.println("Loading synpackages");
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NDP.begin("mcu_fw_120_v90.synpkg");
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NDP.load("dsp_firmware_v90.synpkg");
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NDP.load("alexa_334_NDP120_B0_v11_v90.synpkg");
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Serial.println("packages loaded");
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NDP.getInfo();
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Serial.println("Configure clock");
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NDP.turnOnMicrophone();
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NDP.interrupts();
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// For maximum low power; please note that it's impossible to print afer calling these functions
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nicla::leds.end();
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if (lowestPower) {
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NRF_UART0->ENABLE = 0;
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}
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//NDP.turnOffMicrophone();
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}
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void loop() {
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uint8_t command = 0xFF;
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while (Serial.available()) {
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command = Serial.read();
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if (command == 'f') {
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Serial.println("Interrupts disabled");
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NDP.noInterrupts();
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} else if (command == 'o') {
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Serial.println("Interrupts enabled");
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NDP.interrupts();
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}
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}
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//Serial.println("in the loop");
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delay(100);
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}

‎libraries/NDP/examples/BLExaDemo/BLExaDemo.ino

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+86Lines changed: 86 additions & 0 deletions
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#include "NDP.h"
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#include <ArduinoBLE.h>
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// BLE Battery Service
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BLEService alertService("1802"); // Immediate alert
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// BLE Battery Level Characteristic
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BLEUnsignedCharCharacteristic alertLevel("2A06", BLERead | BLENotify); // remote clients will be able to get notifications if this characteristic changes
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const bool lowestPower = true;
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void alertViaBLE(int index) {
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// notify that we recognized a keyword
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alertLevel.writeValue(2);
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delay(1000);
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alertLevel.writeValue(0);
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}
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void ledGreenOn() {
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nicla::leds.begin();
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nicla::leds.setColor(green);
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delay(200);
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nicla::leds.setColor(off);
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nicla::leds.end();
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}
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void ledRedBlink() {
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while (1) {
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nicla::leds.begin();
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nicla::leds.setColor(red);
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delay(200);
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nicla::leds.setColor(off);
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delay(200);
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nicla::leds.end();
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}
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}
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void setup() {
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Serial.begin(115200);
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nicla::begin();
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nicla::disableLDO();
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nicla::leds.begin();
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if (!BLE.begin()) {
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Serial.println("Starting BLE failed!");
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while (1);
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}
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BLE.setLocalName("BLExaDemo");
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BLE.setAdvertisedService(alertService); // add the service UUID
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alertService.addCharacteristic(alertLevel); // add the alert level characteristic
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BLE.addService(alertService); // Add the alert service
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alertLevel.writeValue(0); // set initial value for this characteristic
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NDP.onError(ledRedBlink);
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NDP.onMatch(alertViaBLE);
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NDP.onEvent(ledGreenOn);
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NDP.begin("mcu_fw_120_v90.synpkg");
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NDP.load("dsp_firmware_v90.synpkg");
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NDP.load("alexa_334_NDP120_B0_v11_v90.synpkg");
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NDP.turnOnMicrophone();
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NDP.interrupts();
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// start advertising
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BLE.advertise();
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// For maximum low power; please note that it's impossible to print afer calling these functions
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nicla::leds.end();
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if (lowestPower) {
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NRF_UART0->ENABLE = 0;
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}
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}
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void loop() {
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BLEDevice central = BLE.central();
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if (central) {
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// serve the updates in the interrupt
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while (central.connected()) {
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// sleep and save power
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delay(1000);
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}
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} else {
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delay(1000);
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}
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}

‎libraries/NDP/examples/Record_and_stream/Record_and_stream.ino

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+68Lines changed: 68 additions & 0 deletions
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/*
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Stream the microphone audio to serial port
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The file is compressed using G722 codec
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Prerequisite libraries:
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https://github.com/pschatzmann/arduino-libg722
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https://github.com/pschatzmann/arduino-audio-tools/
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Precedure to extract audio:
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Setup the serial port as raw, for example with
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stty -F /dev/ttyACM0 115200 raw
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Dump the data
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cat /dev/ttyACM0 > test.g722
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Open Audacity
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audacity test.g722
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*/
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#include "Arduino.h"
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#include "NDP.h"
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#include "AudioTools.h"
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#include "AudioCodecs/CodecG722.h"
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G722Encoder encoder;
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uint8_t data[2048];
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void ledGreenOn() {
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nicla::leds.begin();
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nicla::leds.setColor(green);
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delay(200);
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nicla::leds.setColor(off);
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nicla::leds.end();
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}
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void setup() {
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Serial.begin(115200);
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nicla::begin();
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nicla::disableLDO();
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nicla::leds.begin();
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NDP.onEvent(ledGreenOn);
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AudioBaseInfo bi;
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bi.channels = 1;
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bi.sample_rate = 16000;
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encoder.setOptions(0);
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encoder.begin(bi);
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encoder.setOutputStream(Serial);
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NDP.begin("mcu_fw_120_v90.synpkg");
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NDP.load("dsp_firmware_v90.synpkg");
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NDP.load("alexa_334_NDP120_B0_v11_v90.synpkg");
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NDP.turnOnMicrophone();
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int chunk_size = NDP.getAudioChunkSize();
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if (chunk_size >= sizeof(data)) {
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for(;;);
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}
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}
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void loop() {
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unsigned int len = 0;
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NDP.extractData(data, &len);
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encoder.write(data, len);
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}

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