DigitalInfinity/ESP32-PaxCounter
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mqtt lib changed (experimental)

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This commit is contained in:
Klaus K Wilting 2020-06-20 15:04:03 +02:00
parent c51a45cfd0
commit 6b785fedd7
5 changed files with 110 additions and 97 deletions
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18
include/mqttclient.h
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@ -4,15 +4,22 @@
#include "globals.h"
#include "rcommand.h"
#include <ETH.h>
#include <PubSubClient.h>
#include <MQTT.h>
#define MQTT_INTOPIC "paxcounter/in"
#define MQTT_OUTTOPIC "paxcounter/out"
#define MQTT_PORT 1883
#define MQTT_SERVER "broker.hivemq.com"
//#define MQTT_SERVER "test.mosquitto.org"
#define MQTT_SERVER "broker.shiftr.io"
//#define MQTT_CLIENTNAME "arduino"
#define MQTT_USER "try"
#define MQTT_PASSWD "try"
#define MQTT_RETRYSEC 20 // retry reconnect every 20 seconds
#define MQTT_KEEPALIVE 10 // seconds to keep alive server connections
#define MQTT_KEEPALIVE 10 // keep alive interval in seconds
#define MQTT_TIMEOUT 1000 // timeout for all mqtt commands in milliseconds
#ifndef MQTT_CLIENTNAME
#define MQTT_CLIENTNAME clientId.c_str()
#endif
extern TaskHandle_t mqttTask;
@ -22,7 +29,8 @@ void mqtt_irq(void);
void mqtt_loop(void);
void mqtt_client_task(void *param);
int mqtt_connect(const char *my_host, const uint16_t my_port);
void mqtt_callback(char *topic, byte *payload, unsigned int length);
void mqtt_callback(MQTTClient *client, char topic[], char payload[],
int length);
void NetworkEvent(WiFiEvent_t event);
esp_err_t mqtt_init(void);

16
platformio.ini
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@ -7,7 +7,7 @@
; ---> SELECT THE TARGET PLATFORM HERE! <---
[board]
halfile = generic.h
;halfile = generic.h
;halfile = ebox.h
;halfile = eboxtube.h
;halfile = ecopower.h
@ -33,15 +33,15 @@ halfile = generic.h
;halfile = tinypicomatrix.h
;halfile = m5core.h
;halfile = m5fire.h
;halfile = olimexpoeiso.h
halfile = olimexpoeiso.h
[platformio]
; upload firmware to board with usb cable
default_envs = usb
;default_envs = usb
; upload firmware to a jfrog bintray repository
;default_envs = ota
; use latest versions of libraries
;default_envs = dev
default_envs = dev
description = Paxcounter is a device for metering passenger flows in realtime. It counts how many mobile devices are around.
[common]
@ -49,12 +49,12 @@ description = Paxcounter is a device for metering passenger flows in realtime. I
release_version = 1.9.996
; DEBUG LEVEL: For production run set to 0, otherwise device will leak RAM while running!
; 0=None, 1=Error, 2=Warn, 3=Info, 4=Debug, 5=Verbose
debug_level = 3
debug_level = 4
extra_scripts = pre:build.py
otakeyfile = ota.conf
lorakeyfile = loraconf.h
lmicconfigfile = lmic_config.h
platform_espressif32 = espressif32@1.12.2
platform_espressif32 = espressif32@1.12.4
monitor_speed = 115200
upload_speed = 115200 ; set by build.py and taken from hal file
display_library = ; set by build.py and taken from hal file
@ -79,13 +79,13 @@ lib_deps_sensors =
BSEC Software Library@1.5.1474
https://github.com/ricki-z/SDS011.git
lib_deps_basic =
ArduinoJson@^5.13.1
ArduinoJson@<6
76@>=1.2.4 ; #76 Timezone by Jack Christensen
274@>=2.3.4 ; #274 RTC by Michael Miller
SimpleButton
AXP202X_Library@>=1.1.1 ; AXP202 PMU lib by Lewis He
esp32-micro-sdcard
PubSubClient@>=2.8.0
MQTT@>=2.4.7 ; MQTT client maintained by Joel Gaehwiler
lib_deps_all =
${common.lib_deps_basic}
${common.lib_deps_lora}

2
src/hal/olimexpoeiso.h
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@ -8,7 +8,7 @@
#include <stdint.h>
// enable only if you want to store a local paxcount table on the device
//#define HAS_SDCARD 2 // this board has a SDMMC card-reader/writer
#define HAS_SDCARD 2 // this board has a SDMMC card-reader/writer
// enable only if you want to send paxcount via ethernet port to mqtt server
#define HAS_MQTT 1 // use MQTT on ethernet interface

159
src/mqttclient.cpp
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@ -8,39 +8,35 @@ QueueHandle_t MQTTSendQueue;
TaskHandle_t mqttTask;
Ticker mqttTimer;
WiFiClient netClient;
MQTTClient mqttClient;
WiFiClient NetClient;
PubSubClient mqttClient(NetClient);
esp_err_t mqtt_init(void) {
void NetworkEvent(WiFiEvent_t event) {
switch (event) {
case SYSTEM_EVENT_ETH_START:
ESP_LOGI(TAG, "Ethernet link layer started");
ETH.setHostname(ETH.macAddress().c_str());
break;
case SYSTEM_EVENT_ETH_STOP:
ESP_LOGI(TAG, "Ethernet link layer stopped");
break;
case SYSTEM_EVENT_ETH_CONNECTED:
case SYSTEM_EVENT_STA_CONNECTED:
ESP_LOGI(TAG, "Network link connected");
break;
case SYSTEM_EVENT_ETH_DISCONNECTED:
case SYSTEM_EVENT_STA_DISCONNECTED:
ESP_LOGI(TAG, "Network link disconnected");
break;
case SYSTEM_EVENT_ETH_GOT_IP:
ESP_LOGI(TAG, "ETH MAC: %s", ETH.macAddress().c_str());
ESP_LOGI(TAG, "IPv4: %s", ETH.localIP().toString().c_str());
ESP_LOGI(TAG, "Link Speed: %d Mbps %s", ETH.linkSpeed(),
ETH.fullDuplex() ? "full duplex" : "half duplex");
case SYSTEM_EVENT_STA_GOT_IP:
mqtt_connect(MQTT_SERVER, MQTT_PORT);
break;
// setup network connection
WiFi.onEvent(NetworkEvent);
ETH.begin();
// WiFi.mode(WIFI_STA);
// WiFi.begin("SSID", "PW");
default:
break;
// setup mqtt client
mqttClient.begin(MQTT_SERVER, MQTT_PORT, netClient);
mqttClient.onMessageAdvanced(mqtt_callback);
assert(SEND_QUEUE_SIZE);
MQTTSendQueue = xQueueCreate(SEND_QUEUE_SIZE, sizeof(MessageBuffer_t));
if (MQTTSendQueue == 0) {
ESP_LOGE(TAG, "Could not create MQTT send queue. Aborting.");
return ESP_FAIL;
}
ESP_LOGI(TAG, "MQTT send queue created, size %d Bytes",
SEND_QUEUE_SIZE * PAYLOAD_BUFFER_SIZE);
ESP_LOGI(TAG, "Starting MQTTloop...");
mqttTimer.attach(MQTT_KEEPALIVE, mqtt_irq);
xTaskCreate(mqtt_client_task, "mqttloop", 4096, (void *)NULL, 1, &mqttTask);
return ESP_OK;
}
int mqtt_connect(const char *my_host, const uint16_t my_port) {
@ -49,7 +45,7 @@ int mqtt_connect(const char *my_host, const uint16_t my_port) {
// static String clientId = "paxcounter-" + ETH.macAddress();
static String clientId = "paxcounter-" + String(random(0xffff), HEX);
ESP_LOGI(TAG, "MQTT name is %s", clientId.c_str());
ESP_LOGI(TAG, "MQTT name is %s", MQTT_CLIENTNAME);
// resolve server host name
if (WiFi.hostByName(my_host, mqtt_server_ip)) {
@ -60,25 +56,53 @@ int mqtt_connect(const char *my_host, const uint16_t my_port) {
return -1;
}
// attempt to connect to MQTT server
if (NetClient.connect(mqtt_server_ip, my_port, HOMECYCLE * 2 * 1000)) {
NetClient.setTimeout(MQTT_KEEPALIVE); // seconds
mqttClient.setServer(mqtt_server_ip, my_port);
mqttClient.setKeepAlive(MQTT_KEEPALIVE);
mqttClient.setCallback(mqtt_callback);
if (mqttClient.connect(clientId.c_str())) {
if (mqttClient.connect(MQTT_CLIENTNAME, MQTT_USER, MQTT_PASSWD)) {
ESP_LOGI(TAG, "MQTT server connected, subscribing...");
mqttClient.publish(MQTT_OUTTOPIC, clientId.c_str());
mqttClient.publish(MQTT_OUTTOPIC, MQTT_CLIENTNAME);
// Clear retained messages that may have been published earlier on topic
mqttClient.publish(MQTT_INTOPIC, "", true, 1);
mqttClient.subscribe(MQTT_INTOPIC);
ESP_LOGI(TAG, "MQTT topic subscribed");
} else {
ESP_LOGD(TAG, "MQTT last_error = %d / rc = %d", mqttClient.lastError(),
mqttClient.returnCode());
ESP_LOGW(TAG, "MQTT server not responding, retrying later");
return -1;
}
} else {
ESP_LOGW(TAG, "MQTT server not connected, retrying later");
return -1;
}
void NetworkEvent(WiFiEvent_t event) {
switch (event) {
case SYSTEM_EVENT_ETH_START:
case SYSTEM_EVENT_STA_START:
ESP_LOGI(TAG, "Network link layer started");
// ETH.setHostname(ETH.macAddress().c_str());
break;
case SYSTEM_EVENT_ETH_STOP:
case SYSTEM_EVENT_STA_STOP:
ESP_LOGI(TAG, "Network link layer stopped");
break;
case SYSTEM_EVENT_ETH_CONNECTED:
case SYSTEM_EVENT_STA_CONNECTED:
ESP_LOGI(TAG, "Network link connected");
break;
case SYSTEM_EVENT_ETH_DISCONNECTED:
case SYSTEM_EVENT_STA_DISCONNECTED:
ESP_LOGI(TAG, "Network link disconnected");
break;
case SYSTEM_EVENT_ETH_GOT_IP:
ESP_LOGI(TAG, "IP: %s", ETH.localIP().toString().c_str());
ESP_LOGI(TAG, "Link Speed: %d Mbps %s", ETH.linkSpeed(),
ETH.fullDuplex() ? "full duplex" : "half duplex");
mqtt_connect(MQTT_SERVER, MQTT_PORT);
break;
case SYSTEM_EVENT_STA_GOT_IP:
ESP_LOGI(TAG, "IP: %s", WiFi.localIP().toString().c_str());
mqtt_connect(MQTT_SERVER, MQTT_PORT);
break;
default:
break;
}
}
@ -96,11 +120,12 @@ void mqtt_client_task(void *param) {
// send data to mqtt server, if we are connected
if (mqttClient.connected()) {
mqttClient.beginPublish(MQTT_OUTTOPIC, msg.MessageSize + 2, false);
mqttClient.write(msg.MessagePort);
mqttClient.write('/');
mqttClient.write(msg.Message, msg.MessageSize);
if (mqttClient.endPublish()) {
char buffer[PAYLOAD_BUFFER_SIZE + 3];
snprintf(buffer, msg.MessageSize + 3, "%s/%s", msg.MessagePort,
msg.Message);
if (mqttClient.publish(MQTT_OUTTOPIC, buffer)) {
ESP_LOGI(TAG, "%d byte(s) sent to MQTT server", msg.MessageSize + 2);
continue;
} else {
@ -112,6 +137,8 @@ void mqtt_client_task(void *param) {
} else {
// attempt to reconnect to MQTT server
ESP_LOGD(TAG, "MQTT client reconnecting...");
ESP_LOGD(TAG, "MQTT last_error = %d / rc = %d", mqttClient.lastError(),
mqttClient.returnCode());
mqtt_enqueuedata(&msg); // postpone the undelivered message
delay(MQTT_RETRYSEC * 1000);
mqtt_connect(MQTT_SERVER, MQTT_PORT);
@ -120,27 +147,6 @@ void mqtt_client_task(void *param) {
} // while(1)
}
esp_err_t mqtt_init(void) {
WiFi.onEvent(NetworkEvent);
ETH.begin();
assert(SEND_QUEUE_SIZE);
MQTTSendQueue = xQueueCreate(SEND_QUEUE_SIZE, sizeof(MessageBuffer_t));
if (MQTTSendQueue == 0) {
ESP_LOGE(TAG, "Could not create MQTT send queue. Aborting.");
return ESP_FAIL;
}
ESP_LOGI(TAG, "MQTT send queue created, size %d Bytes",
SEND_QUEUE_SIZE * PAYLOAD_BUFFER_SIZE);
ESP_LOGI(TAG, "Starting MQTTloop...");
mqttTimer.attach(MQTT_KEEPALIVE, mqtt_irq);
xTaskCreate(mqtt_client_task, "mqttloop", 4096, (void *)NULL, 1, &mqttTask);
return ESP_OK;
}
void mqtt_enqueuedata(MessageBuffer_t *message) {
// enqueue message in MQTT send queue
BaseType_t ret;
@ -164,18 +170,19 @@ void mqtt_enqueuedata(MessageBuffer_t *message) {
ESP_LOGW(TAG, "MQTT sendqueue is full");
}
void mqtt_callback(char *topic, byte *payload, unsigned int length) {
void mqtt_callback(MQTTClient *client, char topic[], char payload[],
int length) {
if (topic == MQTT_INTOPIC)
rcommand((const uint8_t *)payload, (const uint8_t)length);
}
char buffer[11];
snprintf(buffer, 10, "%X02 %X02 %X02 %X02 %X02 %X02 %X02 %X02 %X02 %X02",
payload);
ESP_LOGI(TAG, "MQTT: Received %u byte(s) of payload [%s]", length, buffer);
rcommand(payload, length);
void mqtt_loop(void) {
if (!mqttClient.loop())
ESP_LOGD(TAG, "MQTT last_error = %d / rc = %d", mqttClient.lastError(),
mqttClient.returnCode());
}
void mqtt_queuereset(void) { xQueueReset(MQTTSendQueue); }
void mqtt_irq(void) { xTaskNotify(irqHandlerTask, MQTT_IRQ, eSetBits); }
void mqtt_loop(void) { mqttClient.loop(); }
#endif // HAS_MQTT

2
src/timekeeper.cpp
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@ -1,6 +1,5 @@
#include "timekeeper.h"
/*
#if !(HAS_LORA)
#if (TIME_SYNC_LORASERVER)
#error TIME_SYNC_LORASERVER defined, but device has no LORA configured
@ -8,7 +7,6 @@
#error TIME_SYNC_LORAWAN defined, but device has no LORA configured
#endif
#endif
*/
// Local logging tag
static const char TAG[] = __FILE__;