1 files changed, 47 insertions, 0 deletions
diff --git a/src/glutt-o-logique/debug.h b/src/glutt-o-logique/debug.h
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+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2015 Matthias P. Braendli
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+*/
+
+/* Debugging utilities using the ARM semihosting facilities. Warning, it's quite
+ * slow.
+ *
+ * when used with OpenOCD's gdb server, requires the gdb command
+ *
+ * monitor arm semihosting enable
+ */
+#ifndef __DEBUG_H_
+#define __DEBUG_H_
+
+/* Example usage for the send_command function
+const char *s = "Hello world\n";
+uint32_t m[] = { 2, (uint32_t)s, sizeof(s)/sizeof(char) };
+send_command(0x05, m);
+// some interrupt ID
+
+*/
+
+/* Print a string to the OpenOCD console */
+void debug_print(const char* str);
+
+#endif // __DEBUG_H_
+