Rename tools to ao-<foo>

[fw/altos] / ao-tools / lib / ccdbg-io.c

diff --git a/ao-tools/lib/ccdbg-io.c b/ao-tools/lib/ccdbg-io.c
new file mode 100644 (file)
index 0000000..9c6693c
--- /dev/null
+++ b/ao-tools/lib/ccdbg-io.c
@@ -0,0 +1,137 @@
+/*
+ * Copyright © 2008 Keith Packard <keithp@keithp.com>
+ *
+ * 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 "ccdbg.h"
+#include <time.h>
+#include "cc-usb.h"
+#include "cc-bitbang.h"
+
+struct ccdbg *
+ccdbg_open(void)
+{
+       struct ccdbg *dbg;
+       char *tty;
+
+       dbg = calloc(sizeof (struct ccdbg), 1);
+       if (!dbg) {
+               perror("calloc");
+               return NULL;
+       }
+       tty = getenv("CCDBG_TTY");
+       if (!tty || tty[0] == '/')
+               dbg->usb = cc_usb_open(tty);
+       if (!dbg->usb) {
+               dbg->bb = cc_bitbang_open();
+               if (!dbg->bb) {
+                       free(dbg);
+                       return NULL;
+               }
+       }
+       return dbg;
+}
+
+void
+ccdbg_close(struct ccdbg *dbg)
+{
+       if (dbg->usb)
+               cc_usb_close(dbg->usb);
+       if (dbg->bb)
+               cc_bitbang_close(dbg->bb);
+       free (dbg);
+}
+
+void
+ccdbg_debug_mode(struct ccdbg *dbg)
+{
+       if (dbg->usb)
+               cc_usb_debug_mode(dbg->usb);
+       else if (dbg->bb)
+               cc_bitbang_debug_mode(dbg->bb);
+}
+
+void
+ccdbg_reset(struct ccdbg *dbg)
+{
+       if (dbg->usb)
+               cc_usb_reset(dbg->usb);
+       else if (dbg->bb)
+               cc_bitbang_reset(dbg->bb);
+}
+
+void
+ccdbg_send_bytes(struct ccdbg *dbg, uint8_t *bytes, int nbytes)
+{
+       if (dbg->usb)
+               cc_usb_send_bytes(dbg->usb, bytes, nbytes);
+       else if (dbg->bb)
+               cc_bitbang_send_bytes(dbg->bb, bytes, nbytes);
+}
+
+void
+ccdbg_recv_bytes(struct ccdbg *dbg, uint8_t *bytes, int nbytes)
+{
+       if (dbg->usb)
+               cc_usb_recv_bytes(dbg->usb, bytes, nbytes);
+       else if (dbg->bb)
+               cc_bitbang_recv_bytes(dbg->bb, bytes, nbytes);
+}
+
+void
+ccdbg_sync(struct ccdbg *dbg)
+{
+       if (dbg->usb)
+               cc_usb_sync(dbg->usb);
+       else if (dbg->bb)
+               cc_bitbang_sync(dbg->bb);
+}
+
+void
+ccdbg_cmd_write(struct ccdbg *dbg, uint8_t cmd, uint8_t *data, int len)
+{
+       ccdbg_send_bytes(dbg, &cmd, 1);
+       ccdbg_send_bytes(dbg, data, len);
+}
+
+uint8_t
+ccdbg_cmd_write_read8(struct ccdbg *dbg, uint8_t cmd, uint8_t *data, int len)
+{
+       uint8_t byte[1];
+       ccdbg_cmd_write(dbg, cmd, data, len);
+       ccdbg_recv_bytes(dbg, byte, 1);
+       ccdbg_sync(dbg);
+       return byte[0];
+}
+
+uint16_t
+ccdbg_cmd_write_read16(struct ccdbg *dbg, uint8_t cmd, uint8_t *data, int len)
+{
+       uint8_t byte[2];
+       ccdbg_cmd_write(dbg, cmd, data, len);
+       ccdbg_recv_bytes(dbg, byte, 2);
+       ccdbg_sync(dbg);
+       return (byte[0] << 8) | byte[1];
+}
+
+void
+ccdbg_cmd_write_queue8(struct ccdbg *dbg, uint8_t cmd,
+                      uint8_t *data, int len,
+                      uint8_t *reply)
+{
+       ccdbg_cmd_write(dbg, cmd, data, len);
+       ccdbg_recv_bytes(dbg, reply, 1);
+}