Shadowtrance
69 lines
1.8 KiB
C++
69 lines
1.8 KiB
C++
#pragma once
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#ifdef ESP_PLATFORM
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#include <sdkconfig.h>
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#endif
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#if defined(CONFIG_SOC_WIFI_SUPPORTED) || defined(CONFIG_SLAVE_SOC_WIFI_SUPPORTED)
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#include <cstdint>
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#include <cstring>
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#include <esp_now.h>
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#include <functional>
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namespace tt::service::espnow {
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typedef int ReceiverSubscription;
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constexpr ReceiverSubscription NO_SUBSCRIPTION = -1;
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// ESP-NOW version payload limits
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constexpr size_t MAX_DATA_LEN_V1 = 250; // ESP-NOW v1.0 max payload
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constexpr size_t MAX_DATA_LEN_V2 = 1470; // ESP-NOW v2.0 max payload (requires ESP-IDF v5.4+)
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enum class Mode {
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Station,
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AccessPoint
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};
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struct EspNowConfig {
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uint8_t masterKey[ESP_NOW_KEY_LEN];
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uint8_t address[ESP_NOW_ETH_ALEN];
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Mode mode;
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uint8_t channel;
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bool longRange;
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bool encrypt;
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EspNowConfig(
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uint8_t masterKey[16],
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Mode mode,
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uint8_t channel,
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bool longRange,
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bool encrypt
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) : mode(mode), channel(channel), longRange(longRange), encrypt(encrypt) {
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memcpy(this->masterKey, masterKey, 16);
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}
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};
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void enable(const EspNowConfig& config);
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void disable();
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bool isEnabled();
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bool addPeer(const esp_now_peer_info_t& peer);
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bool send(const uint8_t* address, const uint8_t* buffer, size_t bufferLength);
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ReceiverSubscription subscribeReceiver(std::function<void(const esp_now_recv_info_t* receiveInfo, const uint8_t* data, int length)> onReceive);
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void unsubscribeReceiver(ReceiverSubscription subscription);
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/** Get the ESP-NOW protocol version (1 for v1.0, 2 for v2.0). Returns 0 if service not running. */
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uint32_t getVersion();
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/** Get the maximum data length for current ESP-NOW version (250 for v1.0, 1470 for v2.0). Returns 0 if service not running. */
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size_t getMaxDataLength();
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}
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#endif // CONFIG_SOC_WIFI_SUPPORTED || CONFIG_SLAVE_SOC_WIFI_SUPPORTED
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