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splitted up set_bitrate 

we now have can_set_bitrate and can_set_bitrate_samplepoint. The second is for
convenience for the developer. We tend to let the kernel use CIA recommnended
sample point value, which can_set_bitrate simply does

Signed-off-by: Luotao Fu <l.fu@pengutronix.de>
pull/106/head^2
Luotao Fu 2009-11-27 13:27:07 +01:00
parent 257877f315
commit b2306d4979
2 changed files with 14 additions and 3 deletions
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3
include/libsocketcan.h
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@ -30,7 +30,8 @@ int can_do_start(const char *name);
int can_set_restart_ms(const char *name, __u32 restart_ms);
int can_set_bittiming(const char *name, struct can_bittiming *bt);
int can_set_ctrlmode(const char *name, struct can_ctrlmode *cm);
int can_set_bitrate(const char *name, __u32 bitrate, __u32 sample_point);
int can_set_bitrate(const char *name, __u32 bitrate);
int can_set_bitrate_samplepoint(const char *name, __u32 bitrate, __u32 sample_point);
int can_get_restart_ms(const char *name, __u32 *restart_ms);
int can_get_bittiming(const char *name, struct can_bittiming *bt);

14
src/libsocketcan.c
View File

@ -597,14 +597,24 @@ int can_set_bittiming(const char *name, struct can_bittiming *bt)
return set_link(name, 0, &req_info);
}
int can_set_bitrate(const char *name, __u32 bitrate, __u32 sample_point)
int can_set_bitrate(const char *name, __u32 bitrate)
{
struct can_bittiming bt;
memset(&bt, 0, sizeof(bt));
bt.bitrate = bitrate;
return can_set_bittiming(name, &bt);
}
int can_set_bitrate_samplepoint(const char *name, __u32 bitrate, __u32 sample_point)
{
struct can_bittiming bt;
memset(&bt, 0, sizeof(bt));
bt.bitrate = bitrate;
bt.sample_point = sample_point;
printf("%s: sample_point %u\n", __func__,bt.sample_point);
return can_set_bittiming(name, &bt);
}