include/drivers/uart.h


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#pragma once
#include "common/types.h"

#define UART0 0x10000000L
#define RHR 0 // Receive Holding Register (read mode)
#define THR 0 // Transmit Holding Register (write mode)
#define IER 1 // Interrupt Enable Register
#define FCR 2 // FIFO Control Register
#define ISR 2 // Interrupt Status Register
#define LCR 3 // Line Control Register
#define LSR 5 // Line Status Register

#define LSR_RX_READY 0x01 // input is waiting to be read from RHR
#define LSR_TX_IDLE 0x20  // THR can accept another character to send

#define UART_RX_BUF_SIZE 128

// ANSI Escape Codes for Modern Terminal Colors
#define ANSI_RESET "\033[0m"
#define ANSI_RED "\033[31m"
#define ANSI_GREEN "\033[32m"
#define ANSI_YELLOW "\033[33m"
#define ANSI_BLUE "\033[34m"
#define ANSI_CLEAR "\033[2J\033[1;1H"

namespace Drivers
{
    void uart_init();
    void uart_intr();
    int console_read(uint64 target, int len);

    void uart_putc(char c);
    void uart_puts(const char *s);
    void uart_put_int(int value);
    void print_hex(uint64 value);
}