#ifndef SERIAL_STDIO_H #define SERIAL_STDIO_H #include #include void serial_print_char(char c); void serial_print_string(const char* s); void serial_print_int(uint64_t num); void serial_print_hex(uint64_t num); void serial_printf(const char *s, ...); void serial_vprintf(const char *s, va_list list); extern mutex_t serial_stdio_lock; #endif