void ICACHE_FLASH_ATTR node_group_init(void)
{
if (esp_now_init() == 0) {
os_printf("esp_now init ok\n");
esp_now_register_recv_cb(simple_cb);
u8 ch = wifi_get_channel();
os_printf("current wifi channel is: %d\n", ch);
esp_now_set_self_role(ESP_NOW_ROLE_SLAVE);
esp_now_add_peer(ctrl_mac, ESP_NOW_ROLE_CONTROLLER, ch, key, 16);
esp_now_add_peer(slave_mac, ESP_NOW_ROLE_SLAVE, ch, key, 16);
} else {
os_printf("esp_now init failed\n");
}
}
void setup() {
pinMode(13, OUTPUT);
Serial.begin(74880);
Serial.println("Initializing...");
WiFi.mode(WIFI_AP_STA);
WiFi.softAP("foobar", "12345678", 1, 0);
if (startWifi(30)) {
} else {
Serial.println("failed to start wifi");
ESP.restart();
}
uint8_t macaddr[6];
wifi_get_macaddr(STATION_IF, macaddr);
Serial.print("mac address (STATION_IF): ");
printMacAddress(macaddr);
wifi_get_macaddr(SOFTAP_IF, macaddr);
Serial.print("mac address (SOFTAP_IF): ");
printMacAddress(macaddr);
if (esp_now_init() == 0) {
Serial.println("init");
} else {
Serial.println("init failed");
ESP.restart();
return;
}
esp_now_set_self_role(ESP_NOW_ROLE_SLAVE);
esp_now_register_recv_cb([](uint8_t *macaddr, uint8_t *data, uint8_t len) {
// Serial.print("data: ");
// for (int i = 0; i < len; i++) {
// Serial.print(" 0x");
// Serial.print(data[i], HEX);
// }
//
// Serial.println("");
// Serial.print("recv_cb length=");
// Serial.print(len);
// Serial.print(" from mac address: ");
// printMacAddress(macaddr);
//
// exception...
//send_data_t* send_data = static_cast<send_data_t*>(static_cast<void*>(data));
send_data_t send_data;
memcpy(&send_data, data, sizeof(send_data));
// uint8_t data_len = (len - sizeof(send_data.chipId) - sizeof(send_data.battery)) / sizeof(uint32_t);
// Serial.print("data_len: ");
// Serial.println(data_len);
data_queue.push_back(send_data);
});
esp_now_register_send_cb([](uint8_t* macaddr, uint8_t status) {
Serial.println("send_cb");
Serial.print("mac address: ");
printMacAddress(macaddr);
Serial.print("status = "); Serial.println(status);
});
int res = esp_now_add_peer(mac, (uint8_t)ESP_NOW_ROLE_CONTROLLER,(uint8_t)WIFI_DEFAULT_CHANNEL, NULL, 0);
// esp_now_unregister_recv_cb();
// esp_now_deinit();
}
static void esp_now_setup (esp_now_netdev_t* dev)
{
DEBUG("%s: %p\n", __func__, dev);
/*
* Init the WiFi driver. TODO It is not only required before ESP_NOW is
* initialized but also before other WiFi functions are used. Once other
* WiFi functions are realized it has to be moved to a more common place.
*/
extern portMUX_TYPE g_intr_lock_mux;
mutex_init(&g_intr_lock_mux);
esp_system_event_add_handler (_esp_system_event_handler, NULL);
esp_err_t result;
#if CONFIG_ESP32_WIFI_NVS_ENABLED
result = nvs_flash_init();
if (result != ESP_OK) {
LOG_TAG_ERROR("esp_now",
"nfs_flash_init failed with return value %d\n", result);
return;
}
#endif
wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
result = esp_wifi_init(&cfg);
if (result != ESP_OK) {
LOG_TAG_ERROR("esp_now",
"esp_wifi_init failed with return value %d\n", result);
return;
}
#ifdef CONFIG_WIFI_COUNTRY
/* TODO */
#endif
/* we use predefined station configuration */
wifi_config_t wifi_config_sta = {
.sta = {
.ssid = CONFIG_WIFI_STA_SSID,
.password = CONFIG_WIFI_STA_PASSWORD,
.channel = CONFIG_WIFI_STA_CHANNEL,
.scan_method = CONFIG_WIFI_STA_SCAN_METHOD,
.sort_method = CONFIG_WIFI_STA_SORT_METHOD,
.threshold.rssi = CONFIG_WIFI_STA_RSSI,
.threshold.authmode = CONFIG_WIFI_STA_AUTHMODE
}
};
/* get SoftAP interface mac address and store it as device addresss */
esp_read_mac(dev->addr, ESP_MAC_WIFI_SOFTAP);
/* prepare the ESP_NOW configuration for SoftAP */
wifi_config_t wifi_config_ap = {};
strcpy ((char*)wifi_config_ap.ap.password, esp_now_params.softap_pass);
sprintf((char*)wifi_config_ap.ap.ssid, "%s%02x%02x%02x%02x%02x%02x",
ESP_NOW_AP_PREFIX,
dev->addr[0], dev->addr[1], dev->addr[2],
dev->addr[3], dev->addr[4], dev->addr[5]);
wifi_config_ap.ap.ssid_len = strlen((char*)wifi_config_ap.ap.ssid);
wifi_config_ap.ap.channel = esp_now_params.channel;
wifi_config_ap.ap.authmode = CONFIG_WIFI_AP_AUTH;
wifi_config_ap.ap.ssid_hidden = CONFIG_WIFI_AP_HIDDEN;
wifi_config_ap.ap.max_connection = CONFIG_WIFI_AP_MAX_CONN;
wifi_config_ap.ap.beacon_interval = CONFIG_WIFI_AP_BEACON;
/* set the WiFi interface to Station + SoftAP mode without DHCP */
result = esp_wifi_set_mode(WIFI_MODE_STA | WIFI_MODE_AP);
if (result != ESP_OK) {
LOG_TAG_ERROR("esp_now",
"esp_wifi_set_mode failed with return value %d\n",
result);
return;
}
/* set the Station and SoftAP configuration */
result = esp_wifi_set_config(ESP_IF_WIFI_STA, &wifi_config_sta);
if (result != ESP_OK) {
LOG_TAG_ERROR("esp_now", "esp_wifi_set_config station failed with "
"return value %d\n", result);
return;
}
result = esp_wifi_set_config(ESP_IF_WIFI_AP, &wifi_config_ap);
if (result != ESP_OK) {
LOG_TAG_ERROR("esp_now",
"esp_wifi_set_mode softap failed with return value %d\n",
result);
return;
}
/* start the WiFi driver */
result = esp_wifi_start();
if (result != ESP_OK) {
LOG_TAG_ERROR("esp_now",
"esp_wifi_start failed with return value %d\n", result);
return;
}
#if ESP_NOW_UNICAST==0 /* TODO */
/* all ESP-NOW nodes get the shared mac address on their station interface */
wifi_set_macaddr(STATION_IF, (uint8_t*)_esp_now_mac);
#endif
/* set the netdev driver */
dev->netdev.driver = &_esp_now_driver;
/* initialize netdev data structure */
dev->peers_all = 0;
dev->peers_enc = 0;
mutex_init(&dev->dev_lock);
/* initialize ESP-NOW and register callback functions */
result = esp_now_init();
if (result != ESP_OK) {
LOG_TAG_ERROR("esp_now", "esp_now_init failed with return value %d\n",
result);
return;
}
esp_now_register_send_cb (esp_now_send_cb);
esp_now_register_recv_cb (esp_now_recv_cb);
#if ESP_NOW_UNICAST
/* create the ESP_NOW event handler thread */
esp_now_event_handler_pid = thread_create(esp_now_event_handler_stack,
sizeof(esp_now_event_handler_stack),
ESP_NOW_PRIO + 1,
THREAD_CREATE_WOUT_YIELD |
THREAD_CREATE_STACKTEST,
esp_now_event_handler,
NULL, "net-esp-now-event");
/* timer for peer scan initialization */
_esp_now_scan_peers_done = false;
_esp_now_scan_peers_timer.callback = &esp_now_scan_peers_timer_cb;
_esp_now_scan_peers_timer.arg = dev;
/* execute the first scan */
esp_now_scan_peers_done();
#else /* ESP_NOW_UNICAST */
#if 0
int res = esp_now_add_peer((uint8_t*)_esp_now_mac, ESP_NOW_ROLE_COMBO,
esp_now_params.channel, NULL, 0);
DEBUG("%s: multicast node added %d\n", __func__, res);
#endif
#endif /* ESP_NOW_UNICAST */
}