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command: Wait to send ack until after processing commands

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Send the ack after processing commands - this gives the host code more
information on serial buffer utilization.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2018-05-24 13:30:24 -04:00
parent 528f9f7604
commit 75f8709947
5 changed files with 27 additions and 9 deletions
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12
src/command.c
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@ -257,7 +257,6 @@ command_find_block(uint8_t *buf, uint_fast8_t buf_len, uint_fast8_t *pop_count)
goto nak;
}
next_sequence = ((msgseq + 1) & MESSAGE_SEQ_MASK) | MESSAGE_DEST;
command_sendf(&encode_acknak);
return 1;
need_more_data:
@ -308,13 +307,22 @@ command_dispatch(uint8_t *buf, uint_fast8_t msglen)
}
}
// Send an ack message to the host (notifying that it can send more data)
void
command_send_ack(void)
{
command_sendf(&encode_acknak);
}
// Find a message block and then dispatch all the commands in it
int_fast8_t
command_find_and_dispatch(uint8_t *buf, uint_fast8_t buf_len
, uint_fast8_t *pop_count)
{
int_fast8_t ret = command_find_block(buf, buf_len, pop_count);
if (ret > 0)
if (ret > 0) {
command_dispatch(buf, *pop_count);
command_send_ack();
}
return ret;
}