uart.h

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/* -*- mode: c; c-basic-offset: 4; -*- */
#ifndef __UART__
#define __UART__

#include <stdbool.h>

#include "libhw/hardware.h"

#define UART_DEFAULT_BAUD_RATE 115200

static bool UART_LAST_WAS_CR;

#define uart_metadata_init_(_name, _baud_rate, _channel, _interrupt)    \
    hw_metadata _name;                                                  \
    _name.uart = (hw_uart_metadata) {                                   \
        .baud_rate = (uint32_t) _baud_rate,                             \
        .channel   = (memory_address_t) _channel,                       \
        .interrupt = (memory_address_t) _interrupt                      \
    }

#define uart_metadata_init(_baud_rate, _channel, _interrupt) \
    uart_metadata_init_(uart_metadata, _baud_rate, _channel, _interrupt)

void uart_set_active_channel(hw_metadata);

void uart_init(hw_metadata);

void uart_send_char(const char);

void uart_send_char_(hw_metadata, const char);

void uart_send_string(const char*);

void uart_send_string_(hw_metadata, const char*);

char uart_get_char();

char uart_get_char_(hw_metadata);

char* uart_get_string(const long);

char* uart_get_string_(hw_metadata, const long);

#endif