Atmosphere/exosphere/src/dbg/log_device_uart.c

#include "log_device_uart.h"
#include "../car.h"
#include "../uart.h"

static void initialize(debug_log_device_uart_t *this) {
    if (!this->is_initialized) {
        uart_select(UART_A);
        clkrst_enable(CARDEVICE_UARTA);
        uart_init(UART_A, BAUD_115200); /* is this the correct baud rate for this use-case? */
        this->is_initialized = true;
    }
}

static void write_string(debug_log_device_uart_t *this, const char *str, size_t len) {
    (void)this;
    uart_send(UART_A, str, len);
}

static void finalize(debug_log_device_uart_t *this) {
    clkrst_disable(CARDEVICE_UARTA);
}

debug_log_device_uart_t g_debug_log_device_uart = {
    .super = {
        .initialize     = (void (*)(debug_log_device_t *, ...))initialize,
        .write_string   = (void (*)(debug_log_device_t *, const char *, size_t))write_string,
        .finalize       = (void (*)(debug_log_device_t *))finalize,
    },
};