-/***************************************************************************\r
- * Copyright (C) 2007 by Pavel Chromy *\r
- * chromy@asix.cz *\r
- * *\r
- * This program is free software; you can redistribute it and/or modify *\r
- * it under the terms of the GNU General Public License as published by *\r
- * the Free Software Foundation; either version 2 of the License, or *\r
- * (at your option) any later version. *\r
- * *\r
- * This program is distributed in the hope that it will be useful, *\r
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *\r
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *\r
- * GNU General Public License for more details. *\r
- * *\r
- * You should have received a copy of the GNU General Public License *\r
- * along with this program; if not, write to the *\r
- * Free Software Foundation, Inc., *\r
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *\r
- ***************************************************************************/\r
-#include "dcc.h"\r
-\r
-\r
-/* debug channel read (debugger->MCU) */\r
-uint32 dcc_rd(void)\r
-{\r
- volatile uint32 dcc_reg;\r
-\r
- do {\r
- asm volatile ("mrc p14, 0, %0, C0, C0" : "=r" (dcc_reg) : );\r
- } while ((dcc_reg&1)==0);\r
-\r
- asm volatile ("mrc p14, 0, %0, C1, C0" : "=r" (dcc_reg) : );\r
- return dcc_reg;\r
-}\r
-\r
-\r
-/* debug channel write (MCU->debugger) */\r
-int dcc_wr(uint32 data)\r
-{\r
- volatile uint32 dcc_reg;\r
-\r
- do {\r
- asm volatile ("mrc p14, 0, %0, C0, C0" : "=r" (dcc_reg) : );\r
- /* operation controled by master, cancel operation\r
- upon reception of data for immediate response */\r
- if (dcc_reg&1) return -1;\r
- } while (dcc_reg&2);\r
-\r
- asm volatile ("mcr p14, 0, %0, C1, C0" : : "r" (data));\r
- return 0;\r
-}\r
+/***************************************************************************
+ * Copyright (C) 2007 by Pavel Chromy *
+ * chromy@asix.cz *
+ * *
+ * 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 2 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, write to the *
+ * Free Software Foundation, Inc., *
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ ***************************************************************************/
+#include "dcc.h"
+
+
+/* debug channel read (debugger->MCU) */
+uint32 dcc_rd(void)
+{
+ volatile uint32 dcc_reg;
+
+ do {
+ asm volatile ("mrc p14, 0, %0, C0, C0" : "=r" (dcc_reg) : );
+ } while ((dcc_reg&1)==0);
+
+ asm volatile ("mrc p14, 0, %0, C1, C0" : "=r" (dcc_reg) : );
+ return dcc_reg;
+}
+
+
+/* debug channel write (MCU->debugger) */
+int dcc_wr(uint32 data)
+{
+ volatile uint32 dcc_reg;
+
+ do {
+ asm volatile ("mrc p14, 0, %0, C0, C0" : "=r" (dcc_reg) : );
+ /* operation controled by master, cancel operation
+ upon reception of data for immediate response */
+ if (dcc_reg&1) return -1;
+ } while (dcc_reg&2);
+
+ asm volatile ("mcr p14, 0, %0, C1, C0" : : "r" (data));
+ return 0;
+}