/*
* If definition has not been written, write it and return a new local message
* number. Otherwise return the message number corresponding to the message.
*/
FIT_UINT8 write_mesg_defn(FIT_MESG_NUM mesg_num, FILE *fp)
{
int i;
FIT_UINT8 local_mesg_num;
/* See if definition has been written */
for (i = 0; i < FIT_MAX_LOCAL_MESGS; i++) {
if (local_mesg_nums[i] == mesg_num) {
return i;
}
}
/* Definition has not been written, so write it and return new local
* message number
*/
local_mesg_num = local_mesg_num_next;
local_mesg_num_next = (local_mesg_num_next + 1) % FIT_MAX_LOCAL_MESGS;
/* Definition header */
FIT_UINT8 header = local_mesg_num | FIT_HDR_TYPE_DEF_BIT;
/* Definition */
const FIT_MESG_DEF *def = Fit_GetMesgDef(mesg_num);
// switch (mesg_num) {
// case FIT_MESG_NUM_SESSION:
// def = fit_mesg_defs[FIT_MESG_SESSION];
// break;
// case FIT_MESG_NUM_LAP:
// def = fit_mesg_defs[FIT_MESG_LAP];
// break;
// case FIT_MESG_NUM_RECORD:
// def = fit_mesg_defs[FIT_MESG_RECORD];
// break;
// case FIT_MESG_NUM_EVENT:
// def = fit_mesg_defs[FIT_MESG_EVENT];
// break;
// default:
// fprintf(stderr, "Don't know how to write definition for message "
// "number %hd\n", mesg_num);
// return -1;
// }
/* Write header and definition */
write_data(&header, FIT_HDR_SIZE, fp);
write_data(def, Fit_GetMesgDefSize(def), fp);
/* Update local mesg num mapping */
local_mesg_nums[local_mesg_num] = mesg_num;
printf("Wrote definition for local message number %hhd "
"(matches global number %hd)\n",
local_mesg_num, mesg_num);
return local_mesg_num;
}
FIT_UINT8 Fit_GetMesgSize(FIT_UINT16 global_mesg_num)
{
const FIT_MESG_DEF *mesg_def;
FIT_UINT8 field;
FIT_UINT8 size = 0;
mesg_def = Fit_GetMesgDef(global_mesg_num);
if (mesg_def == FIT_NULL)
return 0;
for (field = 0; field < mesg_def->num_fields; field++)
{
size += mesg_def->fields[FIT_MESG_DEF_FIELD_OFFSET(size, field)];
}
return size;
}
