/**
* This functions handles an incoming ECSS packet.
* If the ECSS packet is part of a large data transfer consisting from
* several sequential ECSS packets, it handles them automatically.
*
* In other words, there is no need to explicitly check for a fragmented data
* transfer.
*
* @param payload the received payload
* @param payload_size the size of the payload
* @return SATR_OK if all went ok or appropriate error code
*/
SAT_returnState
rx_ecss (uint8_t *payload, const uint16_t payload_size)
{
SAT_returnState ret;
tc_tm_pkt *pkt;
pkt = get_pkt (payload_size);
if (!C_ASSERT(pkt != NULL)) {
return SATR_ERROR;
}
if (unpack_pkt (payload, pkt, payload_size) == SATR_OK) {
ret = route_pkt (pkt);
}
TC_TM_app_id dest = 0;
if(pkt->type == TC) {
dest = pkt->app_id;
}
else if(pkt->type == TM) {
dest = pkt->dest_id;
}
if(dest == SYSTEM_APP_ID) {
free_pkt(pkt);
}
return ret;
}
int main() {
/*unpack_pkt UT*/
struct tc_tm_pkt res, in;
uint16_t size;
size = 16;
/*TC*/
in.type = TC;
in.app_id = 0x01;
in.seq_flags = 3;
in.seq_count = 0xB9;
/*data_hdr+data-1*/
in.len = 5+5-1;
in.ack = 0;
in.ser_type = 8;
in.ser_subtype = 1;
in.dest_id = 0xC9;
route_pkt(&in);
return 0;
}
SAT_returnState hk_app(tc_tm_pkt *pkt) {
if(!C_ASSERT(pkt != NULL && pkt->data != NULL) == true) { return SATR_ERROR; }
if(!C_ASSERT(pkt->ser_subtype == TC_HK_REPORT_PARAMETERS ||
pkt->ser_subtype == TM_HK_PARAMETERS_REPORT) == true) {return SATR_ERROR; }
if(pkt->ser_subtype == TC_HK_REPORT_PARAMETERS) {
tc_tm_pkt *temp_pkt = 0;
HK_struct_id sid = (HK_struct_id)pkt->data[0];
hk_crt_empty_pkt_TM(&temp_pkt, (TC_TM_app_id)pkt->dest_id, sid);
if(!C_ASSERT(temp_pkt != NULL) == true) {
return SATR_ERROR;
}
route_pkt(temp_pkt);
} else if(pkt->ser_subtype == TM_HK_PARAMETERS_REPORT) {
const SAT_returnState res = hk_parameters_report(pkt->app_id, (HK_struct_id)pkt->data[0], pkt->data, pkt->len);
if(res == SATR_OK) {
pkt->verification_state = SATR_OK;
}
}
return SATR_OK;
}
