ESP32_NOW_Serial.h

#pragma once

#include "esp_wifi_types.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/queue.h"
#include "freertos/semphr.h"
#include "freertos/ringbuf.h"
#include "Stream.h"
#include "ESP32_NOW.h"

class ESP_NOW_Serial_Class : public Stream, public ESP_NOW_Peer {
private:
    RingbufHandle_t tx_ring_buf;
    QueueHandle_t rx_queue;
    SemaphoreHandle_t tx_sem;
    size_t queued_size;
    uint8_t *queued_buff;
    size_t resend_count;

    bool checkForTxData();
    size_t tryToSend();
public:
    ESP_NOW_Serial_Class(const uint8_t *mac_addr, uint8_t channel, wifi_interface_t iface=WIFI_IF_AP, const uint8_t *lmk=NULL);
    ~ESP_NOW_Serial_Class();
    size_t setRxBufferSize(size_t);
    size_t setTxBufferSize(size_t);
    bool begin(unsigned long baud=0);
    void end();
    //Stream
    int available();
    int read();
    size_t read(uint8_t *buffer, size_t size);
    int peek();
    void flush();
    //Print
    int availableForWrite();
    size_t write(const uint8_t *buffer, size_t size, uint32_t timeout_ms);
    size_t write(const uint8_t *buffer, size_t size){ return write(buffer, size, 1000); }
    size_t write(uint8_t data){ return write(&data, 1); }
    //ESP_NOW_Peer
    void onReceive(const uint8_t * data, size_t len, bool broadcast);
    void onSent(bool success);
};