kopia lustrzana https://github.com/pjalocha/esp32-ogn-tracker
175 wiersze
6.7 KiB
C++
175 wiersze
6.7 KiB
C++
#include <string.h>
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#include "wifi.h"
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#include "format.h"
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wifi_config_t WIFI_Config; // WIFI config: ESSID, etc.
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tcpip_adapter_ip_info_t WIFI_IP = { 0, 0, 0 }; // WIFI local IP address, mask and gateway
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WIFI_State_t WIFI_State;
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bool WIFI_isConnected(void) { return WIFI_IP.ip.addr!=0; } // return "connected" status when IP from DHCP is there
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static esp_err_t WIFI_event_handler(void *ctx, system_event_t *event)
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{
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#ifdef DEBUG_PRINT
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const char *EventName[9] = { "WIFI_READY", "SCAN_DONE", "STA_START", "STA_STOP", "STA_CONN", "STA_DISCONN", "AUTHMODE", "GOT_IP", "LOST_IP" } ;
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xSemaphoreTake(CONS_Mutex, portMAX_DELAY);
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Format_String(CONS_UART_Write, "WIFI_event_handler => ");
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if(event->event_id>=0 && event->event_id<9 && EventName[event->event_id])
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Format_String(CONS_UART_Write, EventName[event->event_id]);
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else
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Format_SignDec(CONS_UART_Write, event->event_id);
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Format_String(CONS_UART_Write, "\n");
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xSemaphoreGive(CONS_Mutex);
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#endif
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switch (event->event_id)
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{ case SYSTEM_EVENT_STA_START: // #2 after WIFI_Start()
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WIFI_State.isON=3;
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break;
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case SYSTEM_EVENT_STA_STOP: // #3 after WIFI_Stop()
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WIFI_State.isON=1;
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break;
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case SYSTEM_EVENT_STA_CONNECTED: // #4 after WIFI_Connect();
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WIFI_State.isConnected=3;
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break;
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case SYSTEM_EVENT_STA_DISCONNECTED: // #5 after WIFI_Connect();
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WIFI_State.isConnected=1;
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break;
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case SYSTEM_EVENT_STA_GOT_IP: // #7
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// ip4addr_ntoa(&event->event_info.got_ip.ip_info.ip)
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WIFI_State.hasIP=3;
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break;
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case SYSTEM_EVENT_STA_LOST_IP: // #8
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WIFI_State.hasIP=1;
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break;
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default:
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break;
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}
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return ESP_OK; }
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esp_err_t WIFI_Init(void)
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{ esp_err_t Err;
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tcpip_adapter_init();
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Err = esp_event_loop_init(WIFI_event_handler, NULL); if(Err!=ESP_OK) return Err;
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wifi_init_config_t Config = WIFI_INIT_CONFIG_DEFAULT();
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Err = esp_wifi_init(&Config); if(Err!=ESP_OK) return Err;
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Err = esp_wifi_set_storage(WIFI_STORAGE_RAM);
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return Err; }
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esp_err_t WIFI_setPowerSave(bool ON)
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{ return esp_wifi_set_ps(ON?WIFI_PS_MAX_MODEM:WIFI_PS_MIN_MODEM); }
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esp_err_t WIFI_Start(void)
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{ esp_err_t Err;
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Err = esp_wifi_set_mode(WIFI_MODE_STA); if(Err!=ESP_OK) return Err;
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Err = esp_wifi_start();
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return Err; }
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esp_err_t WIFI_StartAP(const char *SSID, const char *Pass, int MaxConnections)
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{ esp_err_t Err;
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WIFI_Config.ap.ssid_len = strlen(SSID);
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strcpy((char *)WIFI_Config.ap.ssid, SSID);
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if(Pass) strcpy((char *)WIFI_Config.ap.password, Pass);
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else WIFI_Config.ap.password[0]=0;
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WIFI_Config.ap.max_connection = MaxConnections;
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WIFI_Config.ap.authmode = (Pass && Pass[0]) ? WIFI_AUTH_WPA_WPA2_PSK:WIFI_AUTH_OPEN;
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Err = esp_wifi_set_config(ESP_IF_WIFI_AP, &WIFI_Config); if(Err!=ESP_OK) return Err;
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Err = esp_wifi_set_mode(WIFI_MODE_AP); if(Err!=ESP_OK) return Err;
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Err = esp_wifi_start();
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return Err; }
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esp_err_t WIFI_Stop(void)
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{ return esp_wifi_stop(); }
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esp_err_t WIFI_setTxPower(int8_t TxPwr) // [0.25dBm] 80:L0=20dBm, 76:L1, 74:L2, 70:L3, 64:L4, 56:L5, 50:L5-2dBm, 0:L5-14dBm
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{ return esp_wifi_set_max_tx_power(TxPwr); }
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esp_err_t WIFI_ActiveScan(wifi_ap_record_t *AP, uint16_t &APs)
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{ esp_err_t Err;
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wifi_scan_config_t Config = { ssid:0, bssid:0, channel:0, show_hidden:0,
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scan_type:WIFI_SCAN_TYPE_ACTIVE,
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scan_time: { active: { min:100, max:2000 } } };
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Err = esp_wifi_scan_start(&Config, 1); if(Err!=ESP_OK) return Err;
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Err = esp_wifi_scan_get_ap_records(&APs, AP); return Err; }
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esp_err_t WIFI_PassiveScan(wifi_ap_record_t *AP, uint16_t &APs) //
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{ esp_err_t Err;
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wifi_scan_config_t Config = { ssid:0, bssid:0, channel:0, show_hidden:0,
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scan_type:WIFI_SCAN_TYPE_PASSIVE,
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scan_time: { passive: 100 } };
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Err = esp_wifi_scan_start(&Config, 1); if(Err!=ESP_OK) return Err;
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Err = esp_wifi_scan_get_ap_records(&APs, AP); return Err; }
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esp_err_t WIFI_Connect(wifi_ap_record_t *AP, const char *Pass, int8_t MinSig) // connect to given Access Point with gicen password
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{ esp_err_t Err;
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memcpy(WIFI_Config.sta.ssid, AP->ssid, 32);
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if(Pass) strncpy((char *)WIFI_Config.sta.password, Pass, 64);
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else WIFI_Config.sta.password[0]=0;
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memcpy(WIFI_Config.sta.bssid, AP->bssid, 6);
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WIFI_Config.sta.bssid_set = 1;
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WIFI_Config.sta.channel = AP->primary;
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WIFI_Config.sta.scan_method = WIFI_ALL_CHANNEL_SCAN;
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WIFI_Config.sta.sort_method = WIFI_CONNECT_AP_BY_SIGNAL;
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WIFI_Config.sta.threshold.rssi = MinSig;
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Err = esp_wifi_set_config(ESP_IF_WIFI_STA, &WIFI_Config); if(Err!=ESP_OK) return Err;
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Err = esp_wifi_connect(); if(Err!=ESP_OK) return Err;
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return Err; }
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esp_err_t WIFI_Connect(const char *SSID, const char *Pass, int8_t MinSig)
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{ esp_err_t Err;
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strncpy((char *)WIFI_Config.sta.ssid, SSID, 32);
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if(Pass && Pass[0]) strncpy((char *)WIFI_Config.sta.password, Pass, 64);
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else WIFI_Config.sta.password[0]=0;
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WIFI_Config.sta.scan_method = WIFI_ALL_CHANNEL_SCAN;
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WIFI_Config.sta.sort_method = WIFI_CONNECT_AP_BY_SIGNAL;
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WIFI_Config.sta.threshold.rssi = MinSig;
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Err = esp_wifi_set_config(ESP_IF_WIFI_STA, &WIFI_Config); if(Err!=ESP_OK) return Err;
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Err = esp_wifi_connect(); if(Err!=ESP_OK) return Err;
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return Err; }
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esp_err_t WIFI_Disconnect(void) // disconnect from WiFi AP
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{ esp_err_t Err=esp_wifi_disconnect();
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return Err; }
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uint32_t WIFI_getLocalIP(void) // get local IP, once DHCP phase is done
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{ esp_err_t Err;
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Err=tcpip_adapter_get_ip_info(TCPIP_ADAPTER_IF_STA, &WIFI_IP); if(Err!=ESP_OK) return 0;
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return WIFI_IP.ip.addr; }
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uint8_t IP_Print(char *Out, uint32_t IP)
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{ uint8_t Len=0;
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for(uint8_t Idx=0; Idx<4; Idx++)
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{ if(Idx) Out[Len++]='.';
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Len+=Format_UnsDec(Out+Len, IP&0xFF);
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IP>>=8; }
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Out[Len]=0; return Len; }
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void IP_Print(void (*Output)(char), uint32_t IP)
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{ for(uint8_t Idx=0; Idx<4; Idx++)
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{ if(Idx) Output('.');
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Format_UnsDec(Output, IP&0xFF);
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IP>>=8; }
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}
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uint8_t AP_Print(char *Out, wifi_ap_record_t *AP) // print numbers for a found Wi-Fi Access Point
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{ uint8_t Len=0;
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for(uint8_t Idx=0; Idx<6; Idx++)
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{ Len+=Format_Hex(Out+Len, AP->bssid[Idx]); Out[Len++]=':'; }
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Len+=Format_String(Out+Len, (const char *)(AP->ssid), 32, 32);
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Out[Len++]=' ';
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Out[Len++]='0'+AP->authmode;
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Out[Len++]=' ';
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Len+=Format_UnsDec(Out+Len, AP->primary, 2);
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Len+=Format_String(Out+Len, "ch/");
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Len+=Format_SignDec(Out+Len, AP->rssi);
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Len+=Format_String(Out+Len, "dBm ");
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Out[Len++]=AP->phy_11b ? 'B':'_';
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Out[Len++]=AP->phy_11g ? 'G':'_';
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Out[Len++]=AP->phy_11n ? 'N':'_';
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Out[Len++]=AP->phy_lr ? 'L':'_';
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Out[Len++]=AP->wps ? 'W':'_';
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Out[Len++]='\n'; Out[Len]=0;
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return Len; }
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