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 #include <stdint.h> 24 25 /* Register output functions using UART1. */ 26 27 void rbits(uint32_t reg); 28 void rhex(uint32_t reg); 29 30 /* Value output functions using UART1. */ 31 32 void bits(uint32_t val, int bytes); 33 void hex(uint32_t val, int bytes); 34 35 /* General input/output functions. */ 36 37 int uart_can_read(int uart); 38 char uart_read_char(int uart); 39 int uart_can_write(int uart); 40 void uart_write_char(int uart, char c); 41 42 /* Functions using UART1. */ 43 44 void uart_write(char c); 45 void uart_write_nl(void); 46 void uart_write_string(const char *s); 47 48 /* Output signal functions. */ 49 50 void blink(uint32_t delay, uint32_t port, uint32_t pins); 51 52 #endif /* __DEBUG_H__ */