1 /* 2 * Some simple debugging functions. 3 * 4 * Copyright (C) 2018 Paul Boddie <paul@boddie.org.uk> 5 * 6 * This program is free software: you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License as published by 8 * the Free Software Foundation, either version 3 of the License, or 9 * (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program. If not, see <http://www.gnu.org/licenses/>. 18 */ 19 20 #ifndef __DEBUG_H__ 21 #define __DEBUG_H__ 22 23 /* Value output functions using UART1. */ 24 25 void bits(uint32_t reg); 26 void vbits(uint32_t val); 27 void vhex(uint32_t val); 28 29 /* General input/output functions. */ 30 31 int uart_can_read(int uart); 32 char uart_read_char(int uart); 33 int uart_can_write(int uart); 34 void uart_write_char(int uart, char c); 35 36 /* Functions using UART1. */ 37 38 void uart_write(char c); 39 void uart_write_string(const char *s); 40 41 #endif /* __DEBUG_H__ */