/* * This file is part of the Black Magic Debug project. * * Copyright (C) 2011 Black Sphere Technologies Ltd. * Written by Gareth McMullin * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . */ #ifndef __JTAG_SCAN_H #define __JTAG_SCAN_H #define JTAG_MAX_DEVS 5 #define JTAG_MAX_IR_LEN 16 typedef struct jtag_dev_s { union { uint8_t dev; uint8_t dr_prescan; }; uint8_t dr_postscan; uint8_t ir_len; uint8_t ir_prescan; uint8_t ir_postscan; uint32_t idcode; char *descr; uint32_t current_ir; } jtag_dev_t; extern struct jtag_dev_s jtag_devs[JTAG_MAX_DEVS+1]; extern int jtag_dev_count; int jtag_scan(const uint8_t *lrlens); void jtag_dev_write_ir(jtag_dev_t *dev, uint32_t ir); void jtag_dev_shift_dr(jtag_dev_t *dev, uint8_t *dout, const uint8_t *din, int ticks); #endif