diff options
| author | Keith Packard <keithp@keithp.com> | 2009-08-18 12:19:31 -0700 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2009-08-18 14:39:15 -0700 |
| commit | 9b03d620722dc54630539afba40720c30de69b2d (patch) | |
| tree | 49450794239dfcfaab32190ccb7c81e2e71c2bbc /ao-tools/lib/ccdbg-io.c | |
| parent | 7c790fe859dff062692964338091ffbbcdf63257 (diff) | |
Use --tty/-T on command line to specify target device
Also, use the ALTOS_TTY environment variable in all tools. Note that
the magic value of "BITBANG" switches the library to connecting
through a CP2103 instead.
Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'ao-tools/lib/ccdbg-io.c')
| -rw-r--r-- | ao-tools/lib/ccdbg-io.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/ao-tools/lib/ccdbg-io.c b/ao-tools/lib/ccdbg-io.c index 9c6693cd..d3f87274 100644 --- a/ao-tools/lib/ccdbg-io.c +++ b/ao-tools/lib/ccdbg-io.c @@ -22,25 +22,32 @@ #include "cc-bitbang.h" struct ccdbg * -ccdbg_open(void) +ccdbg_open(char *tty) { 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) { + if (!tty) + tty = getenv("ALTOS_TTY"); + if (!tty) + tty="/dev/ttyACM0"; + + if (!strcmp(tty, "BITBANG")) { dbg->bb = cc_bitbang_open(); if (!dbg->bb) { free(dbg); return NULL; } + } else { + dbg->usb = cc_usb_open(tty); + if (!dbg->usb) { + free(dbg); + return NULL; + } } return dbg; } |