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command: Move low-level sendf transmission into board code

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Export a new console_sendf() function from the board code instead of
console_get_output() and console_push_output().  This enables more
flexibility in how the board specific code produces output.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2017-06-16 13:57:11 -04:00
parent 292453d306
commit 44f2a2a952
8 changed files with 87 additions and 40 deletions
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16
src/command.c
View file

@ -105,7 +105,7 @@ error:
}
// Encode a message
static uint8_t
uint8_t
command_encodef(char *buf, uint8_t buf_len
, const struct command_encoder *ce, va_list args)
{
@ -169,7 +169,7 @@ error:
}
// Add header and trailer bytes to a message block
static void
void
command_add_frame(char *buf, uint8_t msglen)
{
buf[MESSAGE_POS_LEN] = msglen;
@ -184,7 +184,7 @@ static uint8_t in_sendf;
// Encode and transmit a "response" message
void
_sendf(const struct command_encoder *ce, ...)
command_sendf(const struct command_encoder *ce, ...)
{
if (readb(&in_sendf))
// This sendf call was made from an irq handler while the main
@ -192,17 +192,11 @@ _sendf(const struct command_encoder *ce, ...)
return;
writeb(&in_sendf, 1);
uint8_t buf_len = READP(ce->max_size);
char *buf = console_get_output(buf_len);
if (!buf)
goto done;
va_list args;
va_start(args, ce);
uint8_t msglen = command_encodef(buf, buf_len, ce, args);
console_sendf(ce, args);
va_end(args);
command_add_frame(buf, msglen);
console_push_output(msglen);
done:
writeb(&in_sendf, 0);
return;
}