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authorGareth McMullin2011-02-04 20:23:52 +1300
committerGareth McMullin2011-02-04 20:23:52 +1300
commit406617a2a470021d9412e9280feda0d28bdb653b (patch)
tree43b2cb9b562fde0bf5187c31dea77d72318cfc29 /src/include/jtag_scan.h
Import of working source tree.
Diffstat (limited to 'src/include/jtag_scan.h')
-rw-r--r--src/include/jtag_scan.h56
1 files changed, 56 insertions, 0 deletions
diff --git a/src/include/jtag_scan.h b/src/include/jtag_scan.h
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+/*
+ * This file is part of the Black Magic Debug project.
+ *
+ * Copyright (C) 2011 Black Sphere Technologies Ltd.
+ * Written by Gareth McMullin <gareth@blacksphere.co.nz>
+ *
+ * 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 <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef __JTAG_SCAN_H
+#define __JTAG_SCAN_H
+
+#include "general.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(void);
+
+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
+