Move build and debug tools to 'cctools' directory.

[fw/altos] / lib / cccp.c

diff --git a/lib/cccp.c b/lib/cccp.c
deleted file mode 100644 (file)
index 34e866e..0000000
--- a/lib/cccp.c
+++ /dev/null
@@ -1,112 +0,0 @@
-/*
- * 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"
-
-static void
-say(char *name, uint8_t bits)
-{
-       printf("%s: ", name);
-       if (bits & CC_RESET_N)
-               printf ("R ");
-       else
-               printf (". ");
-       if (bits & CC_CLOCK)
-               printf ("C ");
-       else
-               printf (". ");
-       if (bits & CC_DATA)
-               printf ("D\n");
-       else
-               printf (".\n");
-}
-
-static void
-_cccp_write(struct ccdbg *dbg, uint8_t mask, uint8_t value)
-{
-       uint16_t        set;
-       int             ret;
-
-       set = (mask) | (value << 8);
-       dbg->debug_data = (dbg->debug_data & ~mask) | (value & mask);
-       ret = ioctl(dbg->fd, CP2101_IOCTL_GPIOSET, &set);
-       if (ret < 0)
-               perror("CP2101_IOCTL_GPIOSET");
-}
-
-void
-cccp_write(struct ccdbg *dbg, uint8_t mask, uint8_t value)
-{
-       _cccp_write(dbg, mask, value);
-//     say("w", dbg->debug_data);
-}
-
-uint8_t
-cccp_read_all(struct ccdbg *dbg)
-{
-       int ret;
-       uint8_t get;
-       ret = ioctl(dbg->fd, CP2101_IOCTL_GPIOGET, &get);
-       if (ret < 0) {
-               perror("CP2101_IOCTL_GPIOGET");
-               get = 0;
-       }
-       return get;
-}
-
-uint8_t
-cccp_read(struct ccdbg *dbg, uint8_t mask)
-{
-       uint8_t         pull_up;
-       uint8_t         get;
-
-       /* tri-state the bits of interest */
-       pull_up = (~dbg->debug_data) & mask;
-       if (pull_up)
-               _cccp_write(dbg, pull_up, pull_up);
-       get = cccp_read_all(dbg);
-       say("\t\tr", get);
-       return get & mask;
-}
-
-void
-cccp_init(struct ccdbg *dbg)
-{
-       /* set all of the GPIOs to a known state */
-       cccp_write(dbg, 0xf, 0xf);
-}
-
-void
-cccp_fini(struct ccdbg *dbg)
-{
-       /* set all of the GPIOs to a known state */
-       cccp_write(dbg, 0xf, 0xf);
-       dbg->clock = 1;
-}
-
-cccp_open()
-{
-       dbg->fd = open("/dev/ttyUSB0", 2);
-       if (dbg->fd < 0) {
-               perror(file);
-               free(dbg);
-               return NULL;
-       }
-       cccp_init(dbg);
-       cccp_write(dbg, CC_CLOCK, CC_CLOCK);
-}