#pragma once

// IRQs: USART2, USART3, UART5

// ***************************** Definitions *****************************
#define FIFO_SIZE_INT 0x400U

typedef struct uart_ring {
  volatile uint16_t w_ptr_tx;
  volatile uint16_t r_ptr_tx;
  uint8_t *elems_tx;
  uint32_t tx_fifo_size;
  volatile uint16_t w_ptr_rx;
  volatile uint16_t r_ptr_rx;
  uint8_t *elems_rx;
  uint32_t rx_fifo_size;
  USART_TypeDef *uart;
  void (*callback)(struct uart_ring*);
  bool overwrite;
} uart_ring;

// ***************************** Function prototypes *****************************
void debug_ring_callback(uart_ring *ring);
void uart_tx_ring(uart_ring *q);
uart_ring *get_ring_by_number(int a);
// ************************* Low-level buffer functions *************************
bool get_char(uart_ring *q, char *elem);
bool injectc(uart_ring *q, char elem);
bool put_char(uart_ring *q, char elem);
void clear_uart_buff(uart_ring *q);
// ************************ High-level debug functions **********************
void putch(const char a);
void print(const char *a);
void puthx(uint32_t i, uint8_t len);
void puth(unsigned int i);
#if defined(ENABLE_SPI) || defined(BOOTSTUB) || defined(DEBUG)
void puth4(unsigned int i);
#endif
void hexdump(const void *a, int l);