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Added http get call functionality and fixed spaces in code.

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feature/http_call_send_json
Kai Lauterbach 7 months ago
parent ba1cc54d2e
commit 4b737ce350
4 changed files with 201 additions and 149 deletions
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20
firmware/.vscode/c_cpp_properties.json vendored
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@ -0,0 +1,20 @@
{
"configurations": [
{
"name": "Mac",
"includePath": [
"${workspaceFolder}/**",
"/Users/klaute/Documents/Arduino/libraries"
],
"defines": [],
"macFrameworkPath": [
"/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks"
],
"compilerPath": "/usr/bin/clang",
"cStandard": "c17",
"cppStandard": "c++17",
"intelliSenseMode": "macos-clang-arm64"
}
],
"version": 4
}

10
firmware/constants.h
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@ -31,4 +31,14 @@
#define FSM_STATE_11 10
#define FSM_STATE_12 11
const String hb_ws_msg_start = "{";
const String hb_ws_msg_temp = "\"temperature\": ";
const String hb_ws_msg_humi = "\"humidity\": ";
const String hb_ws_msg_light = "\"lightlevel\": ";
const String hb_ws_msg_windspeed = "\"windspeed\": ";
const String hb_ws_msg_pressure = "\"pressure\": ";
const String hb_ws_msg_timestamp = "\"timestamp\": ";
const String hb_ws_msg_valid = "\"valid\": ";
const String hb_ws_msg_end = "}";
#endif

267
firmware/firmware.ino
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@ -10,7 +10,7 @@
#include "config_user.h"
#ifndef DISABLE_WIFIMANAGER
#include <WiFiManager.h> // WiFiManager from bib manager
#include <WiFiManager.h> // WiFiManager from bib manager
#endif
#ifdef HTTP_CALL_ON_WINDSPEED_EXCEED
@ -19,6 +19,7 @@
#ifdef HTTP_CALL_SEND_JSON_DATA
#include <ESP8266HTTPClient.h>
#include <UrlEncode.h>
#endif
//*************************************************************************//
@ -33,15 +34,16 @@
//*************************************************************************//
// constant variables
const uint8_t VALUES = 8; // see constants.h file - count of number of SENSOR_ defines
const uint8_t VALUES = 8; // see constants.h file - count of number of SENSOR_ defines
float currentSensorData[VALUES] = { nanf("no value"), nanf("no value"), nanf("no value"),
nanf("no value"), nanf("no value"), nanf("no value"),
nanf("no value"), nanf("no value") };
uint32_t update_sensor_cnt = 0;
uint32_t update_webserver_cnt = 0;
uint32_t update_sensor_cnt = 0;
uint32_t update_webserver_cnt = 0;
uint32_t update_windspeed_exceed_cnt = 0;
uint32_t wifi_check_interval_counter = 0;
uint32_t http_call_send_json_data_cnt = 0;
#ifndef DISABLE_WIFIMANAGER
const String wifiName = "oko-weather-" + DEVICE_NAME;
@ -61,8 +63,7 @@ uint32_t wifi_reconnect_cnt = 0;
//*************************************************************************//
void debug(String x)
{
void debug(String x) {
#ifdef DEBUG
Serial.println(x);
#endif
@ -74,19 +75,18 @@ void debug(String x)
//*************************************************************************//
void setup()
{
void setup() {
#if defined(DEBUG) || defined(SERIAL_FEATURE)
Serial.begin(SERIAL_BAUD_RATE);
#endif
// Pin settings
pinMode(BAT_CHARGED_PIN, INPUT);
pinMode(BAT_CHARGING_PIN, INPUT);
pinMode(STATUS_LED_PIN, OUTPUT);
pinMode(ANEMOMETER_PIN, INPUT_PULLUP);
pinMode(A0, INPUT);
pinMode(BAT_CHARGED_PIN, INPUT);
pinMode(BAT_CHARGING_PIN, INPUT);
pinMode(STATUS_LED_PIN, OUTPUT);
pinMode(ANEMOMETER_PIN, INPUT_PULLUP);
pinMode(A0, INPUT);
digitalWrite(STATUS_LED_PIN, HIGH);
@ -129,21 +129,19 @@ void setup()
ESP.deepSleep(POWERSAVING_SLEEP_S * 1000000, WAKE_RF_DEFAULT);
delay(100);
#else // not in battery mode
#else // not in battery mode
#ifdef ENABLE_WATCHDOG
// Enable the internal watchdog
ESP.wdtEnable(WATCHDOG_TIMEOUT_MS);
#endif
#endif
}
//*************************************************************************//
void initWifiBasedSW()
{
void initWifiBasedSW() {
#ifdef INFLUXDB_FEATURE
influxdb_begin();
#endif
@ -153,13 +151,11 @@ void initWifiBasedSW()
setupWebUpdater(DEVICE_NAME, WiFi.localIP().toString());
#endif
#endif
}
//*************************************************************************//
void initSensors()
{
void initSensors() {
// Initialize and configure the sensors
#ifdef SENSOR_APDS9930
if (sensor_apds9930_begin();
@ -182,13 +178,11 @@ void initSensors()
//*************************************************************************//
float readSensors(uint8_t s)
{
float readSensors(uint8_t s) {
float ret = nan("no value");
switch(s)
{
case SENSOR_LIGHT: // Initialize and configure the sensors
switch (s) {
case SENSOR_LIGHT: // Initialize and configure the sensors
#ifdef SENSOR_APDS9930
ret = apds9930_light();
#endif
@ -223,8 +217,7 @@ float readSensors(uint8_t s)
case SENSOR_WINDSPEED:
#ifdef SENSOR_WIND
if (do_not_read_windsensor == false)
{
if (do_not_read_windsensor == false) {
ret = wind_speed();
}
#endif
@ -257,19 +250,16 @@ float readSensors(uint8_t s)
//*************************************************************************//
void wifiConnectionCheck()
{
void wifiConnectionCheck() {
if ((wifi_check_interval_counter + WIFI_CHECK_INTERVAL_MS) > millis())
{
if ((wifi_check_interval_counter + WIFI_CHECK_INTERVAL_MS) > millis()) {
// if check interval is not exceeded abort check
return;
}
wifi_check_interval_counter = millis();
if (WiFi.status() == WL_CONNECTED)
{
if (WiFi.status() == WL_CONNECTED) {
// if we are connected
return;
}
@ -286,23 +276,20 @@ void wifiConnectionCheck()
setWifiReconnectCnt(wifi_reconnect_cnt);
#endif
if (wifi_reconnect_cnt >= 5)
{
debug("\nReboot");
ESP.restart();
if (wifi_reconnect_cnt >= 5) {
debug("\nReboot");
ESP.restart();
} else {
wifiConnect();
wifiConnect();
//initWifiBasedSW();
//initWifiBasedSW();
}
}
//*************************************************************************//
void wifiConnect()
{
void wifiConnect() {
// Establish WiFi connection if not already applied
@ -314,8 +301,7 @@ void wifiConnect()
// the time in seconds to wait for the user to configure the device
wifiManager.setTimeout(WIFI_CONFIG_PORTAL_TIMEOUT_S);
while (!wifiManager.autoConnect(wifiName.c_str(), "DEADBEEF"))
{
while (!wifiManager.autoConnect(wifiName.c_str(), "DEADBEEF")) {
#ifdef SLEEP_IF_NO_WLAN_CONNECTION
// If autoconnect to WLAN failed and no client connected, go to deep sleep
@ -328,13 +314,11 @@ void wifiConnect()
debug("WiFi connection failed, try again in 5 seconds...");
delay(5000);
#endif
}
#else // DISABLE_WIFIMANAGER
#else // DISABLE_WIFIMANAGER
if (!WiFi.config(local_IP, gateway, subnet))
{
if (!WiFi.config(local_IP, gateway, subnet)) {
debug("Failed to set IP configuration");
} else {
debug("Successful set IP configuration");
@ -344,27 +328,23 @@ void wifiConnect()
debug("Connecting to WLAN");
while (WiFi.status() != WL_CONNECTED)
{
while (WiFi.status() != WL_CONNECTED) {
delay(100);
}
#endif // DISABLE_WIFIMANAGER
#endif // DISABLE_WIFIMANAGER
}
//*************************************************************************//
#ifdef BATTERY_POWERED
void criticalBatCheck()
{
void criticalBatCheck() {
float volt = battery_voltage();
if (volt <= BAT_EMERGENCY_DEEPSLEEP_VOLTAGE)
{
if (volt <= BAT_EMERGENCY_DEEPSLEEP_VOLTAGE) {
debug("Bat Voltage: " + String(volt) + " V");
debug("Low battery, going into deep sleep.");
// Casting to an unsigned int, so it fits into the integer range
ESP.deepSleep(1U * EMERGENCY_SLEEP_S * 1000000u); // battery low, shutting down
ESP.deepSleep(1U * EMERGENCY_SLEEP_S * 1000000u); // battery low, shutting down
delay(100);
}
}
@ -372,8 +352,7 @@ void criticalBatCheck()
//*************************************************************************//
void loop()
{
void loop() {
#ifdef ENABLE_WATCHDOG
ESP.wdtFeed();
@ -392,33 +371,38 @@ void loop()
delay(DELAY_LOOP_MS);
#endif
}
//*************************************************************************//
#ifndef BATTERY_POWERED
void _fsm_loop()
{
void _fsm_loop() {
#ifdef WEBUPDATER_FEATURE
if ((update_webserver_cnt + (UPDATE_WEBSERVER_INTVERVAL_MS)) <= millis())
{
if ((update_webserver_cnt + (UPDATE_WEBSERVER_INTVERVAL_MS)) <= millis()) {
//debug("web updater call");
update_webserver_cnt = millis();
doWebUpdater();
}
#endif
switch (fsm_state)
#ifdef HTTP_CALL_SEND_JSON_DATA
if ((http_call_send_json_data_cnt + (HTTP_CALL_SEND_JSON_DATA_INTERVAL_S * 1000)) <= millis() and validData == true)
{
// send the data to the server
debug("Sending weather json data to http webserver");
http_call_send_json_data_cnt = millis();
http_call_send_json_data();
}
#endif
switch (fsm_state) {
/* -------------------------------------------------------------------------------- */
case FSM_STATE_1:
//debug("wind speed exceeded check if required");
#ifdef HTTP_CALL_ON_WINDSPEED_EXCEED
if ((update_windspeed_exceed_cnt + (HTTP_CALL_ON_WINDSPEED_INTERVAL_S * 1000)) <= millis())
{
if ((update_windspeed_exceed_cnt + (HTTP_CALL_ON_WINDSPEED_INTERVAL_S * 1000)) <= millis()) {
debug("reading wind sensor exceed");
// reset the wait timer to get a value every HTTP_CALL_ON_WINDSPEED_INTERVAL_S independently to the runtime of the measurement
@ -427,9 +411,8 @@ void _fsm_loop()
// start measurement of wind speed
start_measure_wind();
fsm_state = FSM_STATE_11; // wait untile the wind meas time exceeded
break; // abort case here to prevent read of next sensor in list
fsm_state = FSM_STATE_11; // wait untile the wind meas time exceeded
break; // abort case here to prevent read of next sensor in list
}
#endif
fsm_state = FSM_STATE_2;
@ -440,8 +423,7 @@ void _fsm_loop()
//debug("reset time check if required");
#ifdef RESET_ESP_TIME_INTERVAL
// if millis() reached interval restart ESP
if (RESET_ESP_TIME_INTERVAL_MS <= millis())
{
if (RESET_ESP_TIME_INTERVAL_MS <= millis()) {
debug("resetting firmware intentionally");
// Push reset button after flashing once or do a manual power cycle to get the functionality working.
ESP.restart();
@ -460,8 +442,7 @@ void _fsm_loop()
case FSM_STATE_4:
//debug("disable measure of wind speed if required");
#ifdef defined(BATTERY_POWERED) && defined(SENSOR_WIND)
if (energySavingMode() == 1)
{
if (energySavingMode() == 1) {
// Disable expensive tasks
//sensors[SENSOR_WINDSPEED] = 0;
//debug("read of wind sensor because of low battery disabled");
@ -480,39 +461,36 @@ void _fsm_loop()
/* -------------------------------------------------------------------------------- */
case FSM_STATE_5:
//debug("read sensor data check");
if ((update_sensor_cnt + (UPDATE_SENSOR_INTERVAL_S * 1000)) <= millis() or validData == false)
{
if ((update_sensor_cnt + (UPDATE_SENSOR_INTERVAL_S * 1000)) <= millis() or validData == false) {
debug("read sensor data " + String(sensor_cnt));
if (sensor_cnt != SENSOR_WINDSPEED)
{
if (sensor_cnt != SENSOR_WINDSPEED) {
// read data from sensor
currentSensorData[sensor_cnt] = readSensors(sensor_cnt);
//debug(String(sensor_cnt) + "=" + String(currentSensorData[sensor_cnt]));
} else {
start_measure_wind(); // start measurement of wind speed
fsm_state = FSM_STATE_9; // wait untile the wind meas time exceeded
break; // abort case here to prevent read of next sensor in list
start_measure_wind(); // start measurement of wind speed
fsm_state = FSM_STATE_9; // wait untile the wind meas time exceeded
break; // abort case here to prevent read of next sensor in list
}
if (sensor_cnt < VALUES-1)
{
if (sensor_cnt < VALUES - 1) {
sensor_cnt++;
fsm_state = FSM_STATE_5; // jump to same state again, more sensors to read
fsm_state = FSM_STATE_5; // jump to same state again, more sensors to read
} else {
update_sensor_cnt = millis(); // reset the update interval counter
update_sensor_cnt = millis(); // reset the update interval counter
sensor_cnt = 0;
fsm_state = FSM_STATE_6; // next state
fsm_state = FSM_STATE_6; // next state
}
} else {
//debug("skip read sensor data");
fsm_state = FSM_STATE_1; // no new data, reset FSM
fsm_state = FSM_STATE_1; // no new data, reset FSM
}
break;
@ -529,16 +507,13 @@ void _fsm_loop()
case FSM_STATE_7:
//debug("send data to influxdb if required");
#ifdef INFLUXDB_FEATURE
for (uint8_t i = 0; i < 5 and validData == false; i++)
{ // only check sensor data 0 to 4 -> SENSOR_TEMPERATURE, SENSOR_HUMIDITY, SENSOR_LIGHT, SENSOR_WINDSPEED, SENSOR_PRESSURE
if (currentSensorData[i] != 0 and currentSensorData[i] != nanf("no value") and (not isnan(currentSensorData[i])))
{
for (uint8_t i = 0; i < 5 and validData == false; i++) { // only check sensor data 0 to 4 -> SENSOR_TEMPERATURE, SENSOR_HUMIDITY, SENSOR_LIGHT, SENSOR_WINDSPEED, SENSOR_PRESSURE
if (currentSensorData[i] != 0 and currentSensorData[i] != nanf("no value") and (not isnan(currentSensorData[i]))) {
validData = true;
}
}
if (validData == true)
{
if (validData == true) {
// send data only if valid data is available
pushToInfluxDB(DEVICE_NAME, currentSensorData);
}
@ -552,16 +527,16 @@ void _fsm_loop()
#ifdef WEBUPDATER_FEATURE
setSensorData(currentSensorData);
#endif
fsm_state = FSM_STATE_1;
break;
/* -------------------------------------------------------------------------------- */
case FSM_STATE_9:
#ifdef SENSOR_WIND
if (check_measure_wind_done() == false)
{
if (check_measure_wind_done() == false) {
//debug("wait for wind sensor finish");
fsm_state = FSM_STATE_9; // stay here until the wind measurement is done
fsm_state = FSM_STATE_9; // stay here until the wind measurement is done
} else {
//debug("wind sensor read finish");
fsm_state = FSM_STATE_10;
@ -587,10 +562,9 @@ void _fsm_loop()
/* -------------------------------------------------------------------------------- */
case FSM_STATE_11:
#ifdef SENSOR_WIND
if (check_measure_wind_done() == false)
{
if (check_measure_wind_done() == false) {
//debug("wait for wind sensor finish");
fsm_state = FSM_STATE_11; // stay here until the wind measurement is done
fsm_state = FSM_STATE_11; // stay here until the wind measurement is done
} else {
//debug("wind sensor read finish");
fsm_state = FSM_STATE_12;
@ -608,26 +582,24 @@ void _fsm_loop()
currentSensorData[sensor_cnt] = measure_wind_result();
debug("wind sensor value " + String(currentSensorData[sensor_cnt]));
if (currentSensorData[SENSOR_WINDSPEED] >= HTTP_CALL_ON_WINDSPEED_EXCEED_MPS)
{
if (currentSensorData[SENSOR_WINDSPEED] >= HTTP_CALL_ON_WINDSPEED_EXCEED_MPS) {
// windspeed exceeded send http call
digitalWrite(STATUS_LED_PIN, LOW);
// call the url HTTP_CALL_ON_WINDSPEED_URL
WiFiClient client;
HTTPClient http;
http.begin(client, String(HTTP_CALL_ON_WINDSPEED_URL).c_str());
// Send HTTP GET request
int httpResponseCode = http.GET();
if (httpResponseCode > 0)
{
if (httpResponseCode > 0) {
String response = http.getString();
debug("http response code: " + String(httpResponseCode) + " = " + response);
// TODO handle response
}
http.end();
debug("Called windspeed exceed callout");
digitalWrite(STATUS_LED_PIN, HIGH);
@ -647,7 +619,7 @@ void _fsm_loop()
fsm_state = FSM_STATE_1;
break;
} // close of switch
} // close of switch
//debug("FSM state = " + String(fsm_state));
/*if (fsm_state == FSM_STATE_1)
@ -659,11 +631,9 @@ void _fsm_loop()
//*************************************************************************//
void _battery_mode_main()
{
void _battery_mode_main() {
if (energySavingMode() == 1)
{
if (energySavingMode() == 1) {
// Disable expensive tasks
//debug("read of wind sensor because of low battery disabled");
do_not_read_windsensor = true;
@ -673,8 +643,7 @@ void _battery_mode_main()
do_not_read_windsensor = false;
}
for (uint8_t i = 0; i < VALUES; i++)
{
for (uint8_t i = 0; i < VALUES; i++) {
currentSensorData[i] = readSensors(i);
}
@ -694,8 +663,7 @@ void _battery_mode_main()
//*************************************************************************//
#ifdef SERIAL_FEATURE
void logToSerial(float sensorValues[])
{
void logToSerial(float sensorValues[]) {
Serial.println("");
Serial.println("Current readings:");
Serial.println("Temperature: " + String(sensorValues[SENSOR_TEMPERATURE]) + " °C");
@ -710,3 +678,66 @@ void logToSerial(float sensorValues[])
#endif
//*************************************************************************//
#ifdef HTTP_CALL_SEND_JSON_DATA
String getJsonData()
{
String msg = hb_ws_msg_start +
hb_ws_msg_temp +
String(currentSensorData[SENSOR_TEMPERATURE], 2) +
", " +
hb_ws_msg_humi +
String(currentSensorData[SENSOR_HUMIDITY], 2) +
", " +
hb_ws_msg_light +
String(currentSensorData[SENSOR_LIGHT], 0) + // The light level for the homebridge-http-lux2 plugin is only able to parse integer values
", " +
hb_ws_msg_windspeed +
String(currentSensorData[SENSOR_WINDSPEED], 2) +
", " +
hb_ws_msg_pressure +
String(currentSensorData[SENSOR_PRESSURE], 2) +
", " +
hb_ws_msg_timestamp +
String(millis()) +
", " +
hb_ws_msg_valid +
String(validData) +
hb_ws_msg_end;
return msg;
}
void http_call_send_json_data()
{
currentSensorData[sensor_cnt] = measure_wind_result();
debug("http call to " + String(currentSensorData[sensor_cnt]));
// windspeed exceeded send http call
digitalWrite(STATUS_LED_PIN, LOW);
// call the url HTTP_CALL_SEND_JSON_DATA_URL
WiFiClient client;
HTTPClient http;
String tmp_str = HTTP_CALL_SEND_JSON_DATA_URL + urlEncode(getJsonData());
debug("send: " + tmp_str);
http.begin(client, String(tmp_str).c_str());
// Send HTTP GET request
int httpResponseCode = http.GET();
if (httpResponseCode > 0) {
String response = http.getString();
debug("http response code: " + String(httpResponseCode) + " = " + response);
// TODO handle response
}
http.end();
digitalWrite(STATUS_LED_PIN, HIGH);
}
#endif

53
firmware/webUpdater.ino
Unescape Escape View File

@ -25,16 +25,6 @@ String _webUpdater_ip = "127.0.0.1";
String _webUpdater_dev = "unknown";
float _webUpdater_sensValues[VALUES];
const String hb_ws_msg_start = "{";
const String hb_ws_msg_temp = "\"temperature\": ";
const String hb_ws_msg_humi = "\"humidity\": ";
const String hb_ws_msg_light = "\"lightlevel\": ";
const String hb_ws_msg_windspeed = "\"windspeed\": ";
const String hb_ws_msg_pressure = "\"pressure\": ";
const String hb_ws_msg_timestamp = "\"timestamp\": ";
const String hb_ws_msg_valid = "\"valid\": ";
const String hb_ws_msg_end = "}";
#define TR_TD_START_STR "<tr><td>"
#define TR_TD_END_STR "</td></tr>"
#define TD_TD_MID_STR "</td><td>"
@ -152,28 +142,29 @@ void showHTMLMain(void)
#ifdef HOMEBRIDGE_WEBSTAT
void hb_webstat_send(void)
{
String msg = hb_ws_msg_start +
hb_ws_msg_temp +
String(_webUpdater_sensValues[SENSOR_TEMPERATURE], 2) +
", " +
hb_ws_msg_humi +
String(_webUpdater_sensValues[SENSOR_HUMIDITY], 2) +
", " +
hb_ws_msg_light +
String(_webUpdater_sensValues[SENSOR_LIGHT], 0) + // The light level for the homebridge-http-lux2 plugin is only able to parse integer values
", " +
hb_ws_msg_windspeed +
String(_webUpdater_sensValues[SENSOR_WINDSPEED], 2) +
", " +
hb_ws_msg_pressure +
String(_webUpdater_sensValues[SENSOR_PRESSURE], 2) +
", " +
hb_ws_msg_timestamp +
String(millis()) +
", " +
hb_ws_msg_valid +
String(wuValidData) +
hb_ws_msg_end;
hb_ws_msg_temp +
String(_webUpdater_sensValues[SENSOR_TEMPERATURE], 2) +
", " +
hb_ws_msg_humi +
String(_webUpdater_sensValues[SENSOR_HUMIDITY], 2) +
", " +
hb_ws_msg_light +
String(_webUpdater_sensValues[SENSOR_LIGHT], 0) + // The light level for the homebridge-http-lux2 plugin is only able to parse integer values
", " +
hb_ws_msg_windspeed +
String(_webUpdater_sensValues[SENSOR_WINDSPEED], 2) +
", " +
hb_ws_msg_pressure +
String(_webUpdater_sensValues[SENSOR_PRESSURE], 2) +
", " +
hb_ws_msg_timestamp +
String(millis()) +
", " +
hb_ws_msg_valid +
String(wuValidData) +
hb_ws_msg_end;
httpServer.send(200, "text/html", msg);
}

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