mirror of
https://github.com/alexandrebobkov/ESP-Nodes.git
synced 2025-09-04 01:08:16 +00:00
38 lines
1.5 KiB
C
38 lines
1.5 KiB
C
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#include "freertos/FreeRTOS.h"
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typedef struct {
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uint8_t type; // Broadcast or unicast ESPNOW data.s
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uint16_t seq_num; // Sequence number of ESPNOW data.
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uint16_t crc; // CRC16 value of ESPNOW data.
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uint8_t x_axis;
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uint8_t y_axis;
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bool nav_bttn;
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uint8_t motor1_rpm_pcm;
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uint8_t motor2_rpm_pcm;
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uint8_t motor3_rpm_pcm;
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uint8_t motor4_rpm_pcm;
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} __attribute__((packed)) data_t;
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typedef struct {
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int len; // Length of ESPNOW data to be sent, unit: byte.
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uint8_t *buffer; // Buffer; pointer to the data struct.
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uint8_t dest_mac[ESP_NOW_ETH_ALEN]; // MAC address of destination device.
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} espnow_data_encapsulation_t;
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/* WiFi should start before using ESPNOW */
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static void wifi_init(void)
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{
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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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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_storage(WIFI_STORAGE_RAM) );
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ESP_ERROR_CHECK( esp_wifi_set_mode(ESPNOW_WIFI_MODE) );
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ESP_ERROR_CHECK( esp_wifi_start());
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ESP_ERROR_CHECK( esp_wifi_set_channel(CONFIG_ESPNOW_CHANNEL, WIFI_SECOND_CHAN_NONE));
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#if CONFIG_ESPNOW_ENABLE_LONG_RANGE
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ESP_ERROR_CHECK( esp_wifi_set_protocol(ESPNOW_WIFI_IF, WIFI_PROTOCOL_11B|WIFI_PROTOCOL_11G|WIFI_PROTOCOL_11N|WIFI_PROTOCOL_LR) );
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#endif
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} |