diff options
| -rw-r--r-- | commands/i2c.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/commands/i2c.c b/commands/i2c.c index f0d16af0cb..57dc092c2f 100644 --- a/commands/i2c.c +++ b/commands/i2c.c @@ -145,8 +145,12 @@ static int do_i2c_write(int argc, char *argv[]) ret = 0; if (verbose) { - printf("wrote %i bytes starting at reg 0x%04x to i2cdev 0x%02x on bus %i\n", - count, reg, addr, adapter->nr); + if (reg >= 0) + printf("wrote %i bytes starting at reg 0x%04x to i2cdev 0x%02x on bus %i\n", + count, reg, addr, adapter->nr); + else + printf("sent %i bytes in master send mode to i2cdev 0x%02x on bus %i\n", + count, addr, adapter->nr); for (i = 0; i < count; i++) printf("0x%02x ", *(buf + i)); printf("\n"); @@ -161,7 +165,7 @@ BAREBOX_CMD_HELP_START(i2c_write) BAREBOX_CMD_HELP_TEXT("Options:") BAREBOX_CMD_HELP_OPT ("-b BUS\t", "i2c bus number (default 0)") BAREBOX_CMD_HELP_OPT ("-a ADDR\t", "i2c device address") -BAREBOX_CMD_HELP_OPT ("-r START", "start register") +BAREBOX_CMD_HELP_OPT ("-r START", "start register (optional, master send mode if none given)") BAREBOX_CMD_HELP_OPT ("-w\t", "use word (16 bit) wide access") BAREBOX_CMD_HELP_OPT ("-v\t", "verbose") BAREBOX_CMD_HELP_END |