Initial commit
This commit is contained in:
commit
110c8e9b7f
GPG Key ID:
1159B930701263F3
340
SmartAirSpeaker.ino
Normal file
340
SmartAirSpeaker.ino
Normal file
|
|
@ -0,0 +1,340 @@
|
|||
#include <Wire.h>
|
||||
#include <SparkFun_WM8960_Arduino_Library.h>
|
||||
#include "bsec.h"
|
||||
#include "EspMQTTClient.h"
|
||||
#include <ArduinoJson.h>
|
||||
#include "BluetoothA2DPSink.h"
|
||||
#include <SparkFun_Qwiic_OLED.h> //http://librarymanager/All#SparkFun_Qwiic_OLED
|
||||
|
||||
EspMQTTClient client(
|
||||
"YourSSID",
|
||||
"YourWifiPassword",
|
||||
"192.168.10.51", // MQTT Broker server ip
|
||||
"YourMqttUsername", // Can be omitted if not needed
|
||||
"YourMqttPassword", // Can be omitted if not needed
|
||||
"espmqtt" // Client name that uniquely identify your device
|
||||
);
|
||||
|
||||
#define I2S_SDO 27 //26 // DDAT
|
||||
#define I2S_WS 14 //25 // DLRC
|
||||
#define I2S_SCK 13 //33 // BCLK
|
||||
//#define I2S_SD 17
|
||||
|
||||
#define USE_SPEAKER_OUTPUT
|
||||
#undef USE_3_5MM_OUTPUT
|
||||
|
||||
#define LED_BUILTIN 0
|
||||
|
||||
WM8960 codec; // http://librarymanager/All#SparkFun_WM8960
|
||||
BluetoothA2DPSink a2dp_sink; // https://github.com/pschatzmann/ESP32-A2DP
|
||||
Bsec iaqSensor; // Bsec Bosch sensors
|
||||
QwiicMicroOLED myOLED; // OLED
|
||||
|
||||
String output;
|
||||
String header = "Timestamp [ms], IAQ, IAQ accuracy, Static IAQ, CO2 equivalent, breath VOC equivalent, raw temp[°C], pressure [hPa], raw relative humidity [%], gas [Ohm], Stab Status, run in status, comp temp[°C], comp humidity [%], gas percentage";
|
||||
unsigned long last_header = 0;
|
||||
unsigned long last_report = 0;
|
||||
int width, height;
|
||||
uint8_t * playtime;
|
||||
String artist, title;
|
||||
|
||||
// Helper functions declarations
|
||||
void checkIaqSensorStatus(void);
|
||||
void errLeds(void);
|
||||
|
||||
void setup()
|
||||
{
|
||||
Serial.begin(115200);
|
||||
Serial.println("Smart Air Speaker");
|
||||
Wire.begin(15,5);
|
||||
delay(500);
|
||||
|
||||
if (codec.begin() == false) //Begin communication over I2C
|
||||
{
|
||||
Serial.println("Sound codec did not respond. Please check wiring.");
|
||||
}
|
||||
Serial.println("Sound codec is connected properly.");
|
||||
codec_setup();
|
||||
// Set up I2S
|
||||
i2s_install();
|
||||
i2s_setpin();
|
||||
|
||||
a2dp_sink.set_avrc_metadata_attribute_mask(ESP_AVRC_MD_ATTR_TITLE | ESP_AVRC_MD_ATTR_ARTIST | ESP_AVRC_MD_ATTR_PLAYING_TIME );
|
||||
a2dp_sink.set_avrc_metadata_callback(avrc_metadata_callback);
|
||||
a2dp_sink.start("WillTooth Audio"); // Note, you can give your device any name!
|
||||
|
||||
// OLED setup
|
||||
if (myOLED.begin() == false)
|
||||
{
|
||||
Serial.println("OLED setup failed.");
|
||||
}
|
||||
width = myOLED.getWidth();
|
||||
height = myOLED.getHeight();
|
||||
|
||||
pinMode(LED_BUILTIN, OUTPUT);
|
||||
digitalWrite(LED_BUILTIN, LOW);
|
||||
iaqSensor.begin(BME68X_I2C_ADDR_LOW, Wire);
|
||||
output = "\nBSEC library version " + String(iaqSensor.version.major) + "." + String(iaqSensor.version.minor) + "." + String(iaqSensor.version.major_bugfix) + "." + String(iaqSensor.version.minor_bugfix);
|
||||
Serial.println(output);
|
||||
checkIaqSensorStatus();
|
||||
|
||||
bsec_virtual_sensor_t sensorList[13] = {
|
||||
BSEC_OUTPUT_IAQ,
|
||||
BSEC_OUTPUT_STATIC_IAQ,
|
||||
BSEC_OUTPUT_CO2_EQUIVALENT,
|
||||
BSEC_OUTPUT_BREATH_VOC_EQUIVALENT,
|
||||
BSEC_OUTPUT_RAW_TEMPERATURE,
|
||||
BSEC_OUTPUT_RAW_PRESSURE,
|
||||
BSEC_OUTPUT_RAW_HUMIDITY,
|
||||
BSEC_OUTPUT_RAW_GAS,
|
||||
BSEC_OUTPUT_STABILIZATION_STATUS,
|
||||
BSEC_OUTPUT_RUN_IN_STATUS,
|
||||
BSEC_OUTPUT_SENSOR_HEAT_COMPENSATED_TEMPERATURE,
|
||||
BSEC_OUTPUT_SENSOR_HEAT_COMPENSATED_HUMIDITY,
|
||||
BSEC_OUTPUT_GAS_PERCENTAGE
|
||||
};
|
||||
|
||||
iaqSensor.updateSubscription(sensorList, 13, BSEC_SAMPLE_RATE_LP);
|
||||
checkIaqSensorStatus();
|
||||
}
|
||||
|
||||
void avrc_metadata_callback(uint8_t data1, const uint8_t *data2) {
|
||||
Serial.printf("AVRC metadata rsp: attribute id 0x%x, %s\n", data1, data2);
|
||||
if (data1 == 0x1)
|
||||
title = String((char*)data2);
|
||||
else if (data1 == 0x2)
|
||||
artist = String((char*)data2);
|
||||
// else if (data1 == 0x40)
|
||||
// playtime = data2;
|
||||
}
|
||||
|
||||
void onConnectionEstablished() {
|
||||
client.publish("esp/status", "{\"status\": \"connected\"}");
|
||||
}
|
||||
|
||||
void loop(void)
|
||||
{
|
||||
unsigned long time_trigger = millis();
|
||||
if (iaqSensor.run()) { // Do IAQ work and proceed unless there's an issue
|
||||
if (last_report == 0 || time_trigger-last_report > 60000) {
|
||||
if (last_header == 0 || time_trigger-last_header > 600000) {
|
||||
Serial.println(header);
|
||||
last_header = time_trigger;
|
||||
}
|
||||
digitalWrite(LED_BUILTIN, LOW);
|
||||
output = String(time_trigger);
|
||||
output += ", " + String(iaqSensor.iaq);
|
||||
output += ", " + String(iaqSensor.iaqAccuracy);
|
||||
output += ", " + String(iaqSensor.staticIaq);
|
||||
output += ", " + String(iaqSensor.co2Equivalent);
|
||||
output += ", " + String(iaqSensor.breathVocEquivalent);
|
||||
output += ", " + String(iaqSensor.rawTemperature);
|
||||
output += ", " + String(iaqSensor.pressure);
|
||||
output += ", " + String(iaqSensor.rawHumidity);
|
||||
output += ", " + String(iaqSensor.gasResistance);
|
||||
output += ", " + String(iaqSensor.stabStatus);
|
||||
output += ", " + String(iaqSensor.runInStatus);
|
||||
output += ", " + String(iaqSensor.temperature);
|
||||
output += ", " + String(iaqSensor.humidity);
|
||||
output += ", " + String(iaqSensor.gasPercentage);
|
||||
Serial.println(output);
|
||||
if (iaqSensor.iaqAccuracy > 0){
|
||||
client.publish("esp/iaq", String(iaqSensor.iaq));
|
||||
} else {
|
||||
Serial.println("Not publishing IAQ: low accuracy");
|
||||
}
|
||||
if (iaqSensor.co2Accuracy > 0){
|
||||
client.publish("esp/co2e", String(iaqSensor.co2Equivalent));
|
||||
} else {
|
||||
Serial.println("Not publishing CO2e: low accuracy");
|
||||
}
|
||||
if (iaqSensor.breathVocAccuracy > 0) {
|
||||
client.publish("esp/bvoce", String(iaqSensor.breathVocEquivalent));
|
||||
} else {
|
||||
Serial.println("Not publishing bVOCe: low accuracy");
|
||||
}
|
||||
client.publish("esp/tempc", String(iaqSensor.temperature));
|
||||
client.publish("esp/pressure", String(iaqSensor.pressure));
|
||||
client.publish("esp/humidity", String(iaqSensor.humidity));
|
||||
|
||||
JsonDocument obj;
|
||||
obj["uptime"] = time_trigger;
|
||||
obj["stabStatus"] = iaqSensor.stabStatus;
|
||||
obj["runInStatus"] = iaqSensor.runInStatus;
|
||||
obj["iaqAccuracy"] = iaqSensor.iaqAccuracy;
|
||||
obj["co2Accuracy"] = iaqSensor.co2Accuracy;
|
||||
obj["breathVocAccuracy"] = iaqSensor.breathVocAccuracy;
|
||||
String json;
|
||||
serializeJson(obj,json);
|
||||
client.publish("esp/status", json);
|
||||
|
||||
digitalWrite(LED_BUILTIN, HIGH);
|
||||
last_report = time_trigger;
|
||||
drawGraph(iaqSensor.temperature, iaqSensor.humidity, iaqSensor.co2Equivalent, iaqSensor.co2Accuracy);
|
||||
}
|
||||
} else {
|
||||
checkIaqSensorStatus();
|
||||
}
|
||||
|
||||
client.loop();
|
||||
sleep(1);
|
||||
}
|
||||
|
||||
void drawGraph(int temp, int humid, int co2e, int co2acc)
|
||||
{
|
||||
myOLED.erase();
|
||||
|
||||
String out = "Temp: "+String(temp)+"'\n"+
|
||||
"Hum: "+String(humid)+"%\n";
|
||||
|
||||
if(co2acc>0)
|
||||
out += "CO2: "+String(co2e);
|
||||
else
|
||||
out += "CO2: --";
|
||||
|
||||
if(!title.isEmpty() && !artist.isEmpty())
|
||||
out += "\n"+title+" - "+artist;
|
||||
|
||||
myOLED.setCursor(0, 0);
|
||||
myOLED.print(out);
|
||||
|
||||
//myOLED.line(xS, yS, xE, yE);
|
||||
myOLED.display();
|
||||
delay(10);
|
||||
}
|
||||
|
||||
// Helper function definitions
|
||||
void checkIaqSensorStatus(void)
|
||||
{
|
||||
if (iaqSensor.bsecStatus != BSEC_OK) {
|
||||
if (iaqSensor.bsecStatus < BSEC_OK) {
|
||||
output = "BSEC error code : " + String(iaqSensor.bsecStatus);
|
||||
Serial.println(output);
|
||||
for (;;)
|
||||
errLeds(); /* Halt in case of failure */
|
||||
} else {
|
||||
output = "BSEC warning code : " + String(iaqSensor.bsecStatus);
|
||||
Serial.println(output);
|
||||
}
|
||||
}
|
||||
|
||||
if (iaqSensor.bme68xStatus != BME68X_OK) {
|
||||
if (iaqSensor.bme68xStatus < BME68X_OK) {
|
||||
output = "BME68X error code : " + String(iaqSensor.bme68xStatus);
|
||||
Serial.println(output);
|
||||
for (;;)
|
||||
errLeds(); /* Halt in case of failure */
|
||||
} else {
|
||||
output = "BME68X warning code : " + String(iaqSensor.bme68xStatus);
|
||||
Serial.println(output);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void errLeds(void)
|
||||
{
|
||||
pinMode(LED_BUILTIN, OUTPUT);
|
||||
digitalWrite(LED_BUILTIN, HIGH);
|
||||
delay(100);
|
||||
digitalWrite(LED_BUILTIN, LOW);
|
||||
delay(100);
|
||||
}
|
||||
|
||||
void codec_setup()
|
||||
{
|
||||
// General setup needed
|
||||
codec.enableVREF();
|
||||
codec.enableVMID();
|
||||
|
||||
// Connect from DAC outputs to output mixer
|
||||
codec.enableLD2LO();
|
||||
codec.enableRD2RO();
|
||||
|
||||
// Set gainstage between booster mixer and output mixer
|
||||
#ifdef USE_3_5MM_OUTPUT
|
||||
// For this loopback example, we are going to keep these as low as they go
|
||||
codec.setLB2LOVOL(WM8960_OUTPUT_MIXER_GAIN_NEG_21DB);
|
||||
codec.setRB2ROVOL(WM8960_OUTPUT_MIXER_GAIN_NEG_21DB);
|
||||
#endif
|
||||
#ifdef USE_SPEAKER_OUTPUT
|
||||
codec.setLB2LOVOL(WM8960_OUTPUT_MIXER_GAIN_0DB);
|
||||
codec.setRB2ROVOL(WM8960_OUTPUT_MIXER_GAIN_0DB);
|
||||
#endif
|
||||
|
||||
// Enable output mixers
|
||||
codec.enableLOMIX();
|
||||
codec.enableROMIX();
|
||||
|
||||
// CLOCK STUFF, These settings will get you 44.1KHz sample rate, and class-d
|
||||
// freq at 705.6kHz
|
||||
codec.enablePLL(); // Needed for class-d amp clock
|
||||
codec.setPLLPRESCALE(WM8960_PLLPRESCALE_DIV_2);
|
||||
codec.setSMD(WM8960_PLL_MODE_FRACTIONAL);
|
||||
codec.setCLKSEL(WM8960_CLKSEL_PLL);
|
||||
codec.setSYSCLKDIV(WM8960_SYSCLK_DIV_BY_2);
|
||||
codec.setBCLKDIV(4);
|
||||
codec.setDCLKDIV(WM8960_DCLKDIV_16);
|
||||
codec.setPLLN(7);
|
||||
codec.setPLLK(0x86, 0xC2, 0x26); // PLLK=86C226h
|
||||
//codec.setADCDIV(0); // Default is 000 (what we need for 44.1KHz)
|
||||
//codec.setDACDIV(0); // Default is 000 (what we need for 44.1KHz)
|
||||
codec.setWL(WM8960_WL_16BIT);
|
||||
|
||||
codec.enablePeripheralMode();
|
||||
//codec.enableMasterMode();
|
||||
//codec.setALRCGPIO(); // Note, should not be changed while ADC is enabled.
|
||||
|
||||
// Enable DACs
|
||||
codec.enableDacLeft();
|
||||
codec.enableDacRight();
|
||||
|
||||
//codec.enableLoopBack(); // Loopback sends ADC data directly into DAC
|
||||
codec.disableLoopBack();
|
||||
|
||||
// Default is "soft mute" on, so we must disable mute to make channels active
|
||||
codec.disableDacMute();
|
||||
|
||||
#ifdef USE_3_5MM_OUTPUT
|
||||
codec.enableHeadphones();
|
||||
codec.enableOUT3MIX(); // Provides VMID as buffer for headphone ground
|
||||
codec.setHeadphoneVolumeDB(0.00);
|
||||
Serial.println("Headphone volume set to +0dB");
|
||||
#endif
|
||||
#ifdef USE_SPEAKER_OUTPUT
|
||||
codec.enableSpeakers();
|
||||
codec.setSpeakerVolumeDB(0.00);
|
||||
Serial.println("Speaker volume set to +0dB");
|
||||
#endif
|
||||
|
||||
Serial.println("Codec Setup complete. Connect via Bluetooth, play music, and listen on Headphone outputs.");
|
||||
}
|
||||
|
||||
void i2s_install() {
|
||||
// Set up I2S Processor configuration
|
||||
static i2s_config_t i2s_config = {
|
||||
.mode = (i2s_mode_t) (I2S_MODE_MASTER | I2S_MODE_TX),
|
||||
.sample_rate = 44100, // Updated automatically by A2DP
|
||||
.bits_per_sample = (i2s_bits_per_sample_t)16,
|
||||
.channel_format = I2S_CHANNEL_FMT_RIGHT_LEFT,
|
||||
.communication_format = (i2s_comm_format_t) (I2S_COMM_FORMAT_STAND_I2S),
|
||||
.intr_alloc_flags = 0, // Default interrupt priority
|
||||
.dma_buf_count = 8,
|
||||
.dma_buf_len = 64,
|
||||
.use_apll = true,
|
||||
.tx_desc_auto_clear = true // Avoiding noise in case of data unavailability
|
||||
};
|
||||
|
||||
a2dp_sink.set_i2s_config(i2s_config);
|
||||
}
|
||||
|
||||
void i2s_setpin() {
|
||||
// Set I2S pin configuration
|
||||
i2s_pin_config_t my_pin_config = {
|
||||
.bck_io_num = I2S_SCK,
|
||||
.ws_io_num = I2S_WS,
|
||||
.data_out_num = I2S_SDO,
|
||||
.data_in_num = I2S_PIN_NO_CHANGE
|
||||
};
|
||||
|
||||
a2dp_sink.set_pin_config(my_pin_config);
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user