125 lines
3.8 KiB
C
125 lines
3.8 KiB
C
#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "freertos/event_groups.h"
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#include "esp_system.h"
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#include "esp_wifi.h"
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#include "esp_event_loop.h"
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#include "sdkconfig.h"
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#include "esp_log.h"
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#include "esp_err.h"
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#include "nvs_flash.h"
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#include "lwip/esp_netif_net_stack.h"
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#include "lwip/err.h"
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#include "lwip/sockets.h"
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#include "lwip/sys.h"
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#include "lwip/netdb.h"
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#include "lwip/inet.h"
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#include "lwip/esp_pbuf_ref.h"
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#include "lwip/pbuf.h"
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#include "lwip/opt.h"
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#include "esp_netif_net_stack.h"
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#include "netif/etharp.h"
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#include "lwip/etharp.h"
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#include "lwip/netif.h"
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#include "esp_netif_types.h"
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char *ssid = "Riolu-Love";
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char *psk = "HomageToTheDoctor^$^";
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char *payload = "\xff\xff\xff\xff\xff\xff,\xcfg\ti\xf1\x08\x06\x00\x01\x08\x00\x06\x04\x00\x01,\xcfg\ti\xf1\n\x00\x00\xca\x00\x00\x00\x00\x00\x00\n\x00\x00\xff";
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uint8_t mac[8] = {0x01,0x02,0x03,0x04,0x05,0x06};
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static const char *TAG = "PrincessPiARPMessage";
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wifi_config_t wifi_sta_config;
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int espIp;
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size_t payloadSize = sizeof(payload);
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void wifi_sta_event_handler(void* arg, esp_event_base_t event_base, int32_t event_id, void* event_data) {
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if (event_base == WIFI_EVENT) {
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switch (event_id) {
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case WIFI_EVENT_STA_START:
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ESP_LOGI(TAG, "WIFI_EVENT_STA_START");
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esp_wifi_connect();
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break;
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case WIFI_EVENT_STA_DISCONNECTED:
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ESP_LOGI(TAG, "WIFI_EVENT_STA_DISCONNECTED");
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esp_wifi_connect();
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break;
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}
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}
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else if (event_base == IP_EVENT) {
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switch (event_id) {
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case IP_EVENT_STA_GOT_IP: {
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ip_event_got_ip_t* event = event_data;
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ESP_LOGI(TAG, "Station connected with IP: "IPSTR", GW: "IPSTR", Mask: "IPSTR".",
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IP2STR(&event->ip_info.ip),
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IP2STR(&event->ip_info.gw),
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IP2STR(&event->ip_info.netmask));
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espIp = IP2STR(&event->ip_info.ip);
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break;
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}
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}
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}
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}
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void wifiInit() {
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// NVS: Required by WiFi Driver
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esp_err_t ret = nvs_flash_init();
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if (ret == ESP_ERR_NVS_NO_FREE_PAGES || ret == ESP_ERR_NVS_NEW_VERSION_FOUND) {
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ESP_ERROR_CHECK(nvs_flash_erase());
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ret = nvs_flash_init();
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}
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ESP_ERROR_CHECK(ret);
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ESP_ERROR_CHECK(esp_netif_init());
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ESP_ERROR_CHECK(esp_event_loop_create_default());
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}
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esp_netif_t* wifiClientInit(char *ssid, char *psk) {
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esp_netif_t* netif = esp_netif_create_default_wifi_sta();
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ESP_ERROR_CHECK(esp_event_handler_instance_register(WIFI_EVENT, ESP_EVENT_ANY_ID, &wifi_sta_event_handler, NULL, NULL));
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ESP_ERROR_CHECK(esp_event_handler_instance_register(IP_EVENT, IP_EVENT_STA_GOT_IP, &wifi_sta_event_handler, NULL, NULL));
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strcpy((char *)wifi_sta_config.sta.ssid, ssid);
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strcpy((char *)wifi_sta_config.sta.password, psk);
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return(netif);
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}
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void wifiRun() {
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wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
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ESP_ERROR_CHECK(esp_wifi_init(&cfg));
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ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_STA));
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ESP_ERROR_CHECK(esp_wifi_set_config(WIFI_IF_STA, &wifi_sta_config));
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ESP_ERROR_CHECK(esp_wifi_start());
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}
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void executeLowLevelPayloads(esp_netif_t* netif, char *payload, uint8_t mac[]) {
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//struct pbuf* packetBuf = pbuf_alloc(PBUF_RAW, payloadSize, PBUF_RAM);
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//ESP_ERROR_CHECK(wlanif_init(netif));
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//ESP_ERROR_CHECK(esp_netif_set_mac(netif, mac));
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// memcpy(packetBuf->payload, payload, payloadSize);
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ESP_ERROR_CHECK(esp_netif_transmit(netif, payload, payloadSize));
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//low_level_output(netif, packetBuf);
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}
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void app_main(void) {
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wifiInit();
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esp_netif_t* netif = wifiClientInit(ssid, psk);
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wifiRun();
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executeLowLevelPayloads(netif, payload, mac);
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} |