mirror of
https://github.com/jomjol/AI-on-the-edge-device.git
synced 2025-12-07 20:16:55 +03:00
445 lines
12 KiB
C++
445 lines
12 KiB
C++
#include "connect_wlan.h"
|
|
|
|
|
|
|
|
#include <string.h>
|
|
#include "esp_wifi.h"
|
|
#include "esp_event_loop.h"
|
|
#include "freertos/event_groups.h"
|
|
#include "esp_log.h"
|
|
|
|
#include <fstream>
|
|
#include <string>
|
|
#include <vector>
|
|
#include <sstream>
|
|
#include <iostream>
|
|
|
|
#include <arpa/inet.h>
|
|
|
|
#include "Helper.h"
|
|
|
|
|
|
|
|
|
|
static const char *MAIN_TAG = "connect_wlan";
|
|
|
|
std::string ssid;
|
|
std::string passphrase;
|
|
std::string hostname;
|
|
std::string ipaddress;
|
|
std::string gw;
|
|
std::string netmask;
|
|
std::string dns;
|
|
|
|
std::string std_hostname = "watermeter";
|
|
|
|
static EventGroupHandle_t wifi_event_group;
|
|
|
|
|
|
#define BLINK_GPIO GPIO_NUM_33
|
|
|
|
|
|
std::vector<string> ZerlegeZeile(std::string input, std::string _delimiter = "")
|
|
{
|
|
std::vector<string> Output;
|
|
std::string delimiter = " =,";
|
|
if (_delimiter.length() > 0){
|
|
delimiter = _delimiter;
|
|
}
|
|
|
|
input = trim(input, delimiter);
|
|
size_t pos = findDelimiterPos(input, delimiter);
|
|
std::string token;
|
|
while (pos != std::string::npos) {
|
|
token = input.substr(0, pos);
|
|
token = trim(token, delimiter);
|
|
Output.push_back(token);
|
|
input.erase(0, pos + 1);
|
|
input = trim(input, delimiter);
|
|
pos = findDelimiterPos(input, delimiter);
|
|
}
|
|
Output.push_back(input);
|
|
|
|
return Output;
|
|
}
|
|
|
|
|
|
|
|
|
|
void wifi_connect(){
|
|
wifi_config_t cfg = { };
|
|
strcpy((char*)cfg.sta.ssid, (const char*)ssid.c_str());
|
|
strcpy((char*)cfg.sta.password, (const char*)passphrase.c_str());
|
|
|
|
ESP_ERROR_CHECK( esp_wifi_disconnect() );
|
|
ESP_ERROR_CHECK( esp_wifi_set_config(ESP_IF_WIFI_STA, &cfg) );
|
|
ESP_ERROR_CHECK( esp_wifi_connect() );
|
|
}
|
|
|
|
void blinkstatus(int dauer, int _anzahl)
|
|
{
|
|
gpio_reset_pin(BLINK_GPIO);
|
|
gpio_set_direction(BLINK_GPIO, GPIO_MODE_OUTPUT);
|
|
for (int i = 0; i < _anzahl; ++i)
|
|
{
|
|
gpio_set_level(BLINK_GPIO, 0);
|
|
vTaskDelay(dauer / portTICK_PERIOD_MS);
|
|
gpio_set_level(BLINK_GPIO, 1);
|
|
vTaskDelay(dauer / portTICK_PERIOD_MS);
|
|
}
|
|
}
|
|
|
|
static esp_err_t event_handler(void *ctx, system_event_t *event)
|
|
{
|
|
switch(event->event_id) {
|
|
case SYSTEM_EVENT_STA_START:
|
|
blinkstatus(200, 1);
|
|
wifi_connect();
|
|
break;
|
|
case SYSTEM_EVENT_STA_GOT_IP:
|
|
xEventGroupSetBits(wifi_event_group, CONNECTED_BIT);
|
|
blinkstatus(1000, 3);
|
|
break;
|
|
case SYSTEM_EVENT_STA_DISCONNECTED:
|
|
blinkstatus(200, 5);
|
|
esp_wifi_connect();
|
|
xEventGroupClearBits(wifi_event_group, CONNECTED_BIT);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
return ESP_OK;
|
|
}
|
|
|
|
void initialise_wifi(std::string _ssid, std::string _passphrase, std::string _hostname)
|
|
{
|
|
ESP_ERROR_CHECK(esp_event_loop_init(event_handler, NULL) );
|
|
wifi_event_group = xEventGroupCreate();
|
|
ssid = _ssid;
|
|
passphrase = _passphrase;
|
|
hostname = _hostname;
|
|
esp_log_level_set("wifi", ESP_LOG_NONE); // disable wifi driver logging
|
|
tcpip_adapter_init();
|
|
wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
|
|
ESP_ERROR_CHECK( esp_wifi_init(&cfg) );
|
|
ESP_ERROR_CHECK( esp_wifi_set_mode(WIFI_MODE_STA) );
|
|
ESP_ERROR_CHECK( esp_wifi_start() );
|
|
esp_err_t ret = tcpip_adapter_set_hostname(TCPIP_ADAPTER_IF_STA , hostname.c_str());
|
|
if(ret != ESP_OK ){
|
|
ESP_LOGE(MAIN_TAG,"failed to set hostname:%d",ret);
|
|
}
|
|
xEventGroupWaitBits(wifi_event_group,CONNECTED_BIT,true,true,portMAX_DELAY);
|
|
tcpip_adapter_ip_info_t ip_info;
|
|
ESP_ERROR_CHECK(tcpip_adapter_get_ip_info(TCPIP_ADAPTER_IF_STA, &ip_info));
|
|
ipaddress = std::string(ip4addr_ntoa(&ip_info.ip));
|
|
netmask = std::string(ip4addr_ntoa(&ip_info.netmask));
|
|
gw = std::string(ip4addr_ntoa(&ip_info.gw));
|
|
printf("IPv4 : %s\n", ip4addr_ntoa(&ip_info.ip));
|
|
printf("HostName : %s\n", hostname.c_str());
|
|
}
|
|
|
|
///////////////////////////////////////////////////////////
|
|
///////////////////////////////////////////////////////////
|
|
|
|
void strinttoip4(std::string ip, int &a, int &b, int &c, int &d) {
|
|
std::stringstream s(ip);
|
|
char ch; //to temporarily store the '.'
|
|
s >> a >> ch >> b >> ch >> c >> ch >> d;
|
|
}
|
|
|
|
void initialise_wifi_fixed_ip(std::string _ip, std::string _gw, std::string _netmask, std::string _ssid, std::string _passphrase, std::string _hostname, std::string _dns)
|
|
{
|
|
|
|
ssid = _ssid;
|
|
passphrase = _passphrase;
|
|
hostname = _hostname;
|
|
dns = _dns;
|
|
|
|
wifi_event_group = xEventGroupCreate();
|
|
|
|
ESP_ERROR_CHECK(esp_netif_init());
|
|
ESP_ERROR_CHECK(esp_event_loop_create_default());
|
|
|
|
esp_netif_t *my_sta = esp_netif_create_default_wifi_sta();
|
|
|
|
esp_netif_dhcpc_stop(my_sta);
|
|
|
|
esp_netif_ip_info_t ip_info;
|
|
|
|
int a, b, c, d;
|
|
|
|
strinttoip4(_ip, a, b, c, d);
|
|
IP4_ADDR(&ip_info.ip, a, b, c, d);
|
|
|
|
strinttoip4(_gw, a, b, c, d);
|
|
IP4_ADDR(&ip_info.gw, a, b, c, d);
|
|
|
|
strinttoip4(_netmask, a, b, c, d);
|
|
IP4_ADDR(&ip_info.netmask, a, b, c, d);
|
|
|
|
esp_netif_set_ip_info(my_sta, &ip_info);
|
|
|
|
wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
|
|
ESP_ERROR_CHECK(esp_wifi_init(&cfg));
|
|
|
|
if (dns.length() > 0) {
|
|
esp_netif_dns_info_t dns_info;
|
|
ip4_addr_t ip;
|
|
ip.addr = esp_ip4addr_aton(dns.c_str());
|
|
ip_addr_set_ip4_u32(&dns_info.ip, ip.addr);
|
|
ESP_ERROR_CHECK(esp_netif_set_dns_info(my_sta, ESP_NETIF_DNS_MAIN, &dns_info));
|
|
}
|
|
|
|
ESP_ERROR_CHECK(esp_event_loop_init(event_handler, NULL) );
|
|
|
|
wifi_config_t wifi_config = { };
|
|
strcpy((char*)wifi_config.sta.ssid, (const char*)ssid.c_str());
|
|
strcpy((char*)wifi_config.sta.password, (const char*)passphrase.c_str());
|
|
|
|
ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_STA) );
|
|
ESP_ERROR_CHECK(esp_wifi_set_config(ESP_IF_WIFI_STA, &wifi_config) );
|
|
ESP_ERROR_CHECK(esp_wifi_start() );
|
|
|
|
ESP_LOGI(MAIN_TAG, "wifi_init_sta finished.");
|
|
|
|
EventBits_t bits = xEventGroupWaitBits(wifi_event_group,CONNECTED_BIT,true,true,portMAX_DELAY);
|
|
|
|
if (bits & CONNECTED_BIT) {
|
|
ESP_LOGI(MAIN_TAG, "connected to ap SSID:%s password:%s",
|
|
ssid.c_str(), passphrase.c_str());
|
|
} else {
|
|
ESP_LOGI(MAIN_TAG, "Failed to connect to SSID:%s, password:%s",
|
|
ssid.c_str(), passphrase.c_str());
|
|
}
|
|
tcpip_adapter_ip_info_t ip_info2;
|
|
ESP_ERROR_CHECK(tcpip_adapter_get_ip_info(TCPIP_ADAPTER_IF_STA, &ip_info2));
|
|
ipaddress = std::string(ip4addr_ntoa(&ip_info2.ip));
|
|
netmask = std::string(ip4addr_ntoa(&ip_info2.netmask));
|
|
gw = std::string(ip4addr_ntoa(&ip_info2.gw));
|
|
|
|
// vEventGroupDelete(wifi_event_group);
|
|
}
|
|
|
|
|
|
bool ChangeHostName(std::string fn, std::string _newhostname)
|
|
{
|
|
if (_newhostname == hostname)
|
|
return false;
|
|
|
|
string line = "";
|
|
std::vector<string> zerlegt;
|
|
|
|
bool found = false;
|
|
|
|
std::vector<string> neuesfile;
|
|
|
|
FILE* pFile;
|
|
fn = FormatFileName(fn);
|
|
pFile = OpenFileAndWait(fn.c_str(), "r");
|
|
|
|
printf("file loaded\n");
|
|
|
|
if (pFile == NULL)
|
|
return false;
|
|
|
|
char zw[1024];
|
|
fgets(zw, 1024, pFile);
|
|
line = std::string(zw);
|
|
|
|
while ((line.size() > 0) || !(feof(pFile)))
|
|
{
|
|
printf("%s", line.c_str());
|
|
zerlegt = ZerlegeZeile(line, "=");
|
|
zerlegt[0] = trim(zerlegt[0], " ");
|
|
|
|
if ((zerlegt.size() > 1) && (toUpper(zerlegt[0]) == "HOSTNAME")){
|
|
line = "hostname = \"" + _newhostname + "\"\n";
|
|
found = true;
|
|
}
|
|
|
|
neuesfile.push_back(line);
|
|
|
|
if (fgets(zw, 1024, pFile) == NULL)
|
|
{
|
|
line = "";
|
|
}
|
|
else
|
|
{
|
|
line = std::string(zw);
|
|
}
|
|
}
|
|
|
|
if (!found)
|
|
{
|
|
line = "hostname = \"" + _newhostname + "\"\n";
|
|
neuesfile.push_back(line);
|
|
}
|
|
|
|
fclose(pFile);
|
|
|
|
pFile = OpenFileAndWait(fn.c_str(), "w+");
|
|
|
|
for (int i = 0; i < neuesfile.size(); ++i)
|
|
{
|
|
fputs(neuesfile[i].c_str(), pFile);
|
|
}
|
|
|
|
fclose(pFile);
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
void LoadWlanFromFile(std::string fn, std::string &_ssid, std::string &_passphrase, std::string &_hostname)
|
|
{
|
|
string line = "";
|
|
std::vector<string> zerlegt;
|
|
_hostname = std_hostname;
|
|
|
|
FILE* pFile;
|
|
fn = FormatFileName(fn);
|
|
pFile = OpenFileAndWait(fn.c_str(), "r");
|
|
|
|
printf("file loaded\n");
|
|
|
|
if (pFile == NULL)
|
|
return;
|
|
|
|
char zw[1024];
|
|
fgets(zw, 1024, pFile);
|
|
line = std::string(zw);
|
|
|
|
while ((line.size() > 0) || !(feof(pFile)))
|
|
{
|
|
printf("%s", line.c_str());
|
|
zerlegt = ZerlegeZeile(line, "=");
|
|
zerlegt[0] = trim(zerlegt[0], " ");
|
|
for (int i = 2; i < zerlegt.size(); ++i)
|
|
zerlegt[i] = zerlegt[i-1] + zerlegt[i];
|
|
|
|
if ((zerlegt.size() > 1) && (toUpper(zerlegt[0]) == "HOSTNAME")){
|
|
_hostname = trim(zerlegt[1]);
|
|
if ((_hostname[0] == '"') && (_hostname[_hostname.length()-1] == '"')){
|
|
_hostname = _hostname.substr(1, _hostname.length()-2);
|
|
}
|
|
}
|
|
|
|
if ((zerlegt.size() > 1) && (toUpper(zerlegt[0]) == "SSID")){
|
|
_ssid = trim(zerlegt[1]);
|
|
if ((_ssid[0] == '"') && (_ssid[_ssid.length()-1] == '"')){
|
|
_ssid = _ssid.substr(1, _ssid.length()-2);
|
|
}
|
|
}
|
|
|
|
if ((zerlegt.size() > 1) && (toUpper(zerlegt[0]) == "PASSWORD")){
|
|
_passphrase = zerlegt[1];
|
|
if ((_passphrase[0] == '"') && (_passphrase[_passphrase.length()-1] == '"')){
|
|
_passphrase = _passphrase.substr(1, _passphrase.length()-2);
|
|
}
|
|
}
|
|
|
|
if (fgets(zw, 1024, pFile) == NULL)
|
|
{
|
|
line = "";
|
|
}
|
|
else
|
|
{
|
|
line = std::string(zw);
|
|
}
|
|
}
|
|
|
|
fclose(pFile);
|
|
|
|
// Check if Hostname was empty in .ini if yes set to std_hostname
|
|
if(_hostname.length() <= 0){
|
|
_hostname = std_hostname;
|
|
}
|
|
}
|
|
|
|
void LoadNetConfigFromFile(std::string fn, std::string &_ip, std::string &_gw, std::string &_netmask, std::string &_dns)
|
|
{
|
|
string line = "";
|
|
std::vector<string> zerlegt;
|
|
|
|
FILE* pFile;
|
|
fn = FormatFileName(fn);
|
|
pFile = OpenFileAndWait(fn.c_str(), "r");
|
|
|
|
printf("file loaded\n");
|
|
|
|
if (pFile == NULL)
|
|
return;
|
|
|
|
char zw[1024];
|
|
fgets(zw, 1024, pFile);
|
|
line = std::string(zw);
|
|
|
|
while ((line.size() > 0) || !(feof(pFile)))
|
|
{
|
|
printf("%s", line.c_str());
|
|
zerlegt = ZerlegeZeile(line, "=");
|
|
zerlegt[0] = trim(zerlegt[0], " ");
|
|
|
|
if ((zerlegt.size() > 1) && (toUpper(zerlegt[0]) == "IP")){
|
|
_ip = zerlegt[1];
|
|
if ((_ip[0] == '"') && (_ip[_ip.length()-1] == '"')){
|
|
_ip = _ip.substr(1, _ip.length()-2);
|
|
}
|
|
}
|
|
|
|
if ((zerlegt.size() > 1) && (toUpper(zerlegt[0]) == "GATEWAY")){
|
|
_gw = zerlegt[1];
|
|
if ((_gw[0] == '"') && (_gw[_gw.length()-1] == '"')){
|
|
_gw = _gw.substr(1, _gw.length()-2);
|
|
}
|
|
}
|
|
|
|
if ((zerlegt.size() > 1) && (toUpper(zerlegt[0]) == "NETMASK")){
|
|
_netmask = zerlegt[1];
|
|
if ((_netmask[0] == '"') && (_netmask[_netmask.length()-1] == '"')){
|
|
_netmask = _netmask.substr(1, _netmask.length()-2);
|
|
}
|
|
}
|
|
|
|
if ((zerlegt.size() > 1) && (toUpper(zerlegt[0]) == "DNS")){
|
|
_dns = zerlegt[1];
|
|
if ((_dns[0] == '"') && (_dns[_dns.length()-1] == '"')){
|
|
_dns = _dns.substr(1, _dns.length()-2);
|
|
}
|
|
}
|
|
|
|
if (fgets(zw, 1024, pFile) == NULL)
|
|
{
|
|
line = "";
|
|
}
|
|
else
|
|
{
|
|
line = std::string(zw);
|
|
}
|
|
}
|
|
|
|
fclose(pFile);
|
|
}
|
|
|
|
|
|
std::string getHostname(){
|
|
return hostname;
|
|
}
|
|
|
|
std::string getIPAddress(){
|
|
return ipaddress;
|
|
}
|
|
|
|
std::string getSSID(){
|
|
return ssid;
|
|
}
|
|
|
|
std::string getNetMask(){
|
|
return netmask;
|
|
}
|
|
|
|
std::string getGW(){
|
|
return gw;
|
|
}
|
|
|