#ifndef UART_H
#define UART_H

#include "freertos/idf_additions.h"
#include <stdbool.h>
#include <stdint.h>
#define UART_NUM UART_NUM_1
#define UART_BUF_SIZE 256
#define UART_TXD_PIN 2
#define UART_RXD_PIN 3

#define START_MARKER 0xAA
#define STOP_MARKER 0xCC
#define MAX_BUF_SIZE 256
#define MAX_PAYLOAD_SIZE                                                       \
  MAX_BUF_SIZE - 4 // Buffer overhead, Start, Len, CRC, End

typedef enum {
  STATE_START,
  STATE_LEN,
  STATE_DATA,
  STATE_CHECKSUM,
  STATE_STOP
} parser_state_t;

typedef struct {
  uint8_t payload[MAX_PAYLOAD_SIZE];
  uint8_t len;
  uint8_t index;
  uint8_t checksum;
  parser_state_t state;
} uart_packet_t;

typedef struct {
  uint8_t cmd;
} uart_command_t;

void init_uart(QueueHandle_t cmd_queue);
void uart_read_task(void *param);
bool parse_uart_byte(uint8_t byte, uart_packet_t *p);

#endif