void msel_rfile_step_queue()
{
rfile_empty = 0;
// Messages from session 0 pre-empt anything in rq
if (s0_rq.size > 0)
{
msel_memset(&s0, 0, sizeof(ffs_packet_t));
s0.data[0] = (*s0_rq.start >> 8);
s0.data[1] = (*s0_rq.start);
if (msel_ffs_rfile_write(&s0) == MSEL_OK)
CBUF_REM(s0_rq);
}
/**
* Column callback
*/
static inline void cb_col(void *s, size_t len, void *data) {
struct csv_context *ctx = (struct csv_context *)data;
size_t cnt;
// Put a comma if we should
if(ctx->put_comma) {
ctx->csv_buf = cbuf_putc(ctx->csv_buf, ',');
}
ctx->put_comma = 1;
// If we are keeping same columns together see if we're on one
if(ctx->gcol > -1 && ctx->col == ctx->gcol) {
// Don't treat header columns as a group column
if(!ctx->use_header || ctx->header_len) {
// If we have a last column value and we're in overflow, check
// the new row's value against the last one
if(ctx->gcol_buf && ctx->opos && memcmp(ctx->gcol_buf, s, len) != 0) {
// Flush the data we have!
flush_file(ctx, 1);
} else if(!ctx->gcol_buf) {
// Initialize a new group column buffer
ctx->gcol_buf = cbuf_init(len);
}
// Update our last group column value
ctx->gcol_buf = cbuf_setlen(ctx->gcol_buf, (const char*)s, len);
}
}
// Make sure we can write all the data
while((cnt = csv_write(CBUF_PTR(ctx->csv_buf), CBUF_REM(ctx->csv_buf), s, len)) > CBUF_REM(ctx->csv_buf)) {
// We didn't have room, reallocate
ctx->csv_buf = cbuf_double(ctx->csv_buf);
}
// Increment where we are in our buffer
CBUF_POS(ctx->csv_buf)+=cnt;
// Increment our column
ctx->col++;
}
msel_status msel_ffs_session_recv(ffs_packet_t *pkt)
{
// Find out which queue to get the next message from
uint8_t sid;
uint8_t task_id = msel_active_task_num;
for (sid = 1; sid <= MAX_NUM_SESSIONS; ++sid)
if (wq_1[sid].active && wq_1[sid].task_id == task_id) break;
// Copy the message and advance the array index (the data's now in the task's
// hands, if it throws it away there's no getting it back).
if (sid > 0 && sid <= MAX_NUM_SESSIONS && wq_1[sid].size > 0)
{
msel_memcpy(pkt, wq_1[sid].start, sizeof(ffs_packet_t));
// If the peripheral was told to retry, now we can say that we're ready
if (sid == retry_session_id)
clear_retry_id();
CBUF_REM(wq_1[sid]);
return MSEL_OK;
}
else return MSEL_ERESOURCE;
}