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23b647d429
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3
.gitmodules
vendored
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3
.gitmodules
vendored
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[submodule "lib/BLECast"]
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path = lib/BLECast
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url = https://github.com/ericbarch/BLECast.git
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1
lib/BLECast
Submodule
1
lib/BLECast
Submodule
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Subproject commit 1a0e347eb0534a2b1a1970110cdba4d3126db764
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46
lib/README
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46
lib/README
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This directory is intended for project specific (private) libraries.
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PlatformIO will compile them to static libraries and link into executable file.
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The source code of each library should be placed in a an own separate directory
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("lib/your_library_name/[here are source files]").
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For example, see a structure of the following two libraries `Foo` and `Bar`:
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|--lib
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| |
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| |--Bar
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| | |--docs
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| | |--examples
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| | |--src
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| | |- Bar.c
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| | |- Bar.h
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| | |- library.json (optional, custom build options, etc) https://docs.platformio.org/page/librarymanager/config.html
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| |
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| |--Foo
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| | |- Foo.c
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| | |- Foo.h
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| |
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| |- README --> THIS FILE
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|
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|- platformio.ini
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|--src
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|- main.c
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and a contents of `src/main.c`:
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```
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#include <Foo.h>
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#include <Bar.h>
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int main (void)
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{
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...
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}
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```
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PlatformIO Library Dependency Finder will find automatically dependent
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libraries scanning project source files.
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More information about PlatformIO Library Dependency Finder
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- https://docs.platformio.org/page/librarymanager/ldf.html
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20
platformio.ini
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20
platformio.ini
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; PlatformIO Project Configuration File
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;
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; Build options: build flags, source filter
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; Upload options: custom upload port, speed and extra flags
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; Library options: dependencies, extra library storages
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; Advanced options: extra scripting
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;
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; Please visit documentation for the other options and examples
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; https://docs.platformio.org/page/projectconf.html
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[env:ttgo-t-beam]
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platform = espressif32
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board = ttgo-t-beam
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framework = arduino
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monitor_speed = 115200
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board_build.partitions = huge_app.csv
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lib_deps =
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256dpi/MQTT@^2.5.1
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https://github.com/lewisxhe/AXP202X_Library
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mikalhart/TinyGPSPlus@^1.0.3
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226
src/main.cpp
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226
src/main.cpp
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#include <Arduino.h>
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#include <BLEDevice.h>
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#include <BLEUtils.h>
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#include <BLEScan.h>
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#include <BLEAdvertisedDevice.h>
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#define I2C_SDA 21
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#define I2C_SCL 22
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#include "axp20x.h"
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AXP20X_Class axp;
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bool axp192_found = false;
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#include <WiFi.h>
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#include <MQTT.h>
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#ifndef WIFI_SSID
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#define WIFI_SSID "wifi_ssid"
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#endif
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#ifndef WIFI_PASSWORD
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#define WIFI_PASSWORD "wifi_pw"
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#endif
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#define MQTT_HOST "IP_or_Hostname"
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#define MQTT_USER "username"
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#define MQTT_PASS "password"
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/*
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#define USE_GPS
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#ifdef USE_GPS
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#define GPS_SERIAL_NUM 1
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#define GPS_BAUDRATE 9600
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#define GPS_POWER_CTRL_CH 3 // AXP192_LDO3
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#include <TinyGPSPlus.h>
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TinyGPSPlus _gps;
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HardwareSerial _serial_gps(GPS_SERIAL_NUM);
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#endif
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*/
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WiFiClient net;
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MQTTClient client;
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const char* mqtt_server = MQTT_HOST;
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BLEScan* pBLEScan;
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const int scanTimeSeconds = 1;
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// remember that structs may be extended/packed to match byte boundaries
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struct AdvDataTemps {
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uint8_t batt; // 1byte
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uint16_t addr1; // 4byte
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uint16_t temp1;
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uint16_t addr2; // 4byte
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uint16_t temp2;
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uint16_t addr3; // 4byte
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uint16_t temp3;
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uint16_t addr4; // 4byte
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uint16_t temp4;
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uint16_t addr5; // 4byte
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uint16_t temp5;
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} advdat;
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std::string string_to_hex(const std::string& input)
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{
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static const char hex_digits[] = "0123456789abcdef";
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std::string output;
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output.reserve(input.length() * 2);
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for (unsigned char c : input)
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{
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output.push_back(hex_digits[c >> 4]);
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output.push_back(hex_digits[c & 15]);
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}
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return output;
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}
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#define MSG_BUFFER_SIZE (50)
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char msg[MSG_BUFFER_SIZE];
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char msgGW[MSG_BUFFER_SIZE];
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class AdvertisedDeviceCallbacks: public BLEAdvertisedDeviceCallbacks {
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void onResult(BLEAdvertisedDevice advertisedDevice) {
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if (strcmp(advertisedDevice.getName().c_str(), "cat") == 0) {
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Serial.print(advertisedDevice.getName().c_str());
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const std::string& manufData = advertisedDevice.getManufacturerData();
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std::string hexAdvData = string_to_hex(manufData);
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for (int i = 0; i < hexAdvData.length(); i++) {
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msg[i]= hexAdvData[i];
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}
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if (client.connected()) {
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client.publish("sensofur/data", msg);
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}
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Serial.printf(": %s \n", hexAdvData.c_str());
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}
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}
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};
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void connect() {
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Serial.print("checking wifi...");
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while (WiFi.status() != WL_CONNECTED) {
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Serial.print(".");
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delay(1000);
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}
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Serial.println("connected!\n");
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Serial.print("checking mqtt...");
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while (!client.connect("sensofur-gw", MQTT_USER, MQTT_PASS)) {
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Serial.print(".");
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delay(1000);
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}
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client.subscribe("sensofur/keepalive");
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Serial.println("connected!\n");
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}
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void axpInit() {
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if (!axp.begin(Wire, AXP192_SLAVE_ADDRESS)) {
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Serial.println("AXP192 Begin PASS");
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} else {
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Serial.println("AXP192 Begin FAIL");
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}
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axp.setChgLEDMode(AXP20X_LED_BLINK_4HZ);
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Serial.printf("DCDC1: %s\n", axp.isDCDC1Enable() ? "ENABLE" : "DISABLE");
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Serial.printf("DCDC2: %s\n", axp.isDCDC2Enable() ? "ENABLE" : "DISABLE");
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Serial.printf("LDO2: %s\n", axp.isLDO2Enable() ? "ENABLE" : "DISABLE");
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Serial.printf("LDO3: %s\n", axp.isLDO3Enable() ? "ENABLE" : "DISABLE");
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Serial.printf("DCDC3: %s\n", axp.isDCDC3Enable() ? "ENABLE" : "DISABLE");
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Serial.printf("Exten: %s\n", axp.isExtenEnable() ? "ENABLE" : "DISABLE");
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Serial.println("----------------------------------------");
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axp.setPowerOutPut(AXP192_LDO2, AXP202_ON); // LORA radio
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axp.setPowerOutPut(AXP192_LDO3, AXP202_ON); // GPS main power
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axp.setPowerOutPut(AXP192_DCDC2, AXP202_ON);
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axp.setPowerOutPut(AXP192_EXTEN, AXP202_ON);
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axp.setPowerOutPut(AXP192_DCDC1, AXP202_ON);
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axp.setDCDC1Voltage(3300); // for the OLED power
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Serial.printf("DCDC1: %s\n", axp.isDCDC1Enable() ? "ENABLE" : "DISABLE");
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Serial.printf("DCDC2: %s\n", axp.isDCDC2Enable() ? "ENABLE" : "DISABLE");
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Serial.printf("LDO2: %s\n", axp.isLDO2Enable() ? "ENABLE" : "DISABLE");
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Serial.printf("LDO3: %s\n", axp.isLDO3Enable() ? "ENABLE" : "DISABLE");
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Serial.printf("DCDC3: %s\n", axp.isDCDC3Enable() ? "ENABLE" : "DISABLE");
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Serial.printf("Exten: %s\n", axp.isExtenEnable() ? "ENABLE" : "DISABLE");
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axp.adc1Enable(AXP202_BATT_CUR_ADC1, 1);
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axp.enableIRQ(AXP202_VBUS_REMOVED_IRQ | AXP202_VBUS_CONNECT_IRQ | AXP202_BATT_REMOVED_IRQ | AXP202_BATT_CONNECT_IRQ, 1);
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axp.clearIRQ();
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Serial.println();
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Serial.flush();
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}
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void setup() {
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Serial.begin(115200);
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Serial.println("Scanning...");
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Wire.begin(I2C_SDA, I2C_SCL);
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axpInit();
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Serial.printf("Connecting to WiFi %s\n", WIFI_SSID);
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WiFi.mode(WIFI_STA);
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WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
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while (WiFi.status() != WL_CONNECTED) { delay(1000); }
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Serial.println("WiFi connected.");
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client.begin(mqtt_server, 1883, net);
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connect();
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BLEDevice::init("");
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pBLEScan = BLEDevice::getScan(); // create new scan
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pBLEScan->setAdvertisedDeviceCallbacks(new AdvertisedDeviceCallbacks());
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pBLEScan->setActiveScan(false); // active scan (true) uses more power, but get results faster
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pBLEScan->setInterval(100);
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pBLEScan->setWindow(99); // less or equal setInterval value
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}
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struct GWData {
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uint16_t volt;
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int16_t current;
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} gwData;
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long last = 0;
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void loop() {
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if (millis() - last > 15e3) {
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last = millis();
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axp.readIRQ();
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if (axp.isChargingIRQ()) {
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Serial.println("Charging");
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} else {
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Serial.println("No Charging");
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}
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if (axp.isVbusRemoveIRQ()) {
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Serial.println("No Charging");
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}
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gwData.volt = (uint16_t)axp.getBattVoltage();
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gwData.current = (int16_t)(axp.getBattChargeCurrent() - axp.getBattDischargeCurrent());
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for (uint8_t i = 0; i < sizeof(gwData); i++) msgGW[i] = ((char*)&gwData)[i];
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if (client.connected()) {
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Serial.println("publishing gw stats");
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client.publish("sensofur/gateway", msgGW);
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}
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}
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//Serial.printf("getVbusVoltage: %d\n", axp.getVbusVoltage());
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client.loop();
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if (!client.connected()) {
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connect();
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}
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BLEScanResults foundDevices = pBLEScan->start(scanTimeSeconds, false);
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pBLEScan->clearResults();
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}
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