radio95/rds95
0
1
Fork 0
mirror of https://github.com/radio95-rnt/rds95.git synced 2026-02-26 20:33:53 +01:00
Code Issues Wiki Activity
Files
d48a006b90c6b3a154734b2527356e31b7780271
rds95/src/rds_groups.c
KubaPro010 d48a006b90 rtp in lua
2025-12-26 11:15:47 +01:00

340 lines
13 KiB
C
Raw Blame History

#include "rds.h"
#include "lib.h"
#include "lua_rds.h"
uint16_t get_next_af(RDSEncoder* enc) {
uint16_t out;
if (enc->data[enc->program].af.num_afs) {
if (enc->state[enc->program].af_state == 0) {
out = (AF_CODE_NUM_AFS_BASE + enc->data[enc->program].af.num_afs) << 8 | enc->data[enc->program].af.afs[0];
enc->state[enc->program].af_state++;
} else {
out = enc->data[enc->program].af.afs[enc->state[enc->program].af_state] << 8;
if (enc->data[enc->program].af.afs[enc->state[enc->program].af_state + 1]) out |= enc->data[enc->program].af.afs[enc->state[enc->program].af_state + 1];
else out |= AF_CODE_FILLER;
enc->state[enc->program].af_state += 2;
}
if (enc->state[enc->program].af_state >= enc->data[enc->program].af.num_entries) enc->state[enc->program].af_state = 0;
} else out = AF_CODE_NUM_AFS_BASE << 8 | AF_CODE_FILLER;
return out;
}
void get_next_af_oda(RDSEncoder* enc, uint16_t* af_group) {
uint8_t offset = 0;
if (enc->state[enc->program].af_oda_state == 0) af_group[0] = (AF_CODE_NUM_AFS_BASE + enc->data[enc->program].af_oda.num_afs);
else {
af_group[0] = enc->data[enc->program].af_oda.afs[enc->state[enc->program].af_oda_state++];
offset++;
}
for(int i = 0; i < 3; i++) {
if (enc->data[enc->program].af_oda.afs[enc->state[enc->program].af_oda_state + offset]) af_group[i + 1] = enc->data[enc->program].af_oda.afs[enc->state[enc->program].af_oda_state + offset];
else af_group[i + 1] = AF_CODE_FILLER;
enc->state[enc->program].af_oda_state++;
}
if (enc->state[enc->program].af_oda_state >= enc->data[enc->program].af_oda.num_entries) enc->state[enc->program].af_oda_state = 0;
}
uint16_t get_next_af_eon(RDSEncoder* enc, uint8_t eon_index) {
uint16_t out;
if (enc->data[enc->program].eon[eon_index].af.num_afs) {
if (enc->state[enc->program].eon_states[eon_index].af_state == 0) {
out = (AF_CODE_NUM_AFS_BASE + enc->data[enc->program].af.num_afs) << 8 | enc->data[enc->program].eon[eon_index].af.afs[0];
enc->state[enc->program].eon_states[eon_index].af_state += 1;
} else {
out = enc->data[enc->program].eon[eon_index].af.afs[enc->state[enc->program].eon_states[eon_index].af_state] << 8;
if (enc->data[enc->program].eon[eon_index].af.afs[enc->state[enc->program].eon_states[eon_index].af_state + 1]) out |= enc->data[enc->program].eon[eon_index].af.afs[enc->state[enc->program].eon_states[eon_index].af_state + 1];
else {
out |= AF_CODE_FILLER;
enc->state[enc->program].eon_states[eon_index].af_state += 2;
}
}
if (enc->state[enc->program].eon_states[eon_index].af_state >= enc->data[enc->program].eon[eon_index].af.num_entries) enc->state[enc->program].eon_states[eon_index].af_state = 0;
} else out = AF_CODE_NUM_AFS_BASE << 8 | AF_CODE_FILLER;
return out;
}
void get_rds_ps_group(RDSEncoder* enc, RDSGroup *group) {
if(enc->state[enc->program].ps_csegment == 0) {
if(enc->state[enc->program].ps_update) {
memcpy(enc->state[enc->program].ps_text, enc->data[enc->program].ps, PS_LENGTH);
enc->state[enc->program].ps_update = 0;
}
if(enc->state[enc->program].tps_update) {
memcpy(enc->state[enc->program].tps_text, enc->data[enc->program].tps, PS_LENGTH);
enc->state[enc->program].tps_update = 0;
}
}
group->b |= enc->data[enc->program].ta << 4;
if(enc->state[enc->program].ps_csegment == 0) group->b |= enc->data[enc->program].dpty << 2;
group->b |= enc->state[enc->program].ps_csegment;
group->c = get_next_af(enc);
if(enc->data[enc->program].ta && enc->state[enc->program].tps_text[0] != '\0') group->d = enc->state[enc->program].tps_text[enc->state[enc->program].ps_csegment * 2] << 8 | enc->state[enc->program].tps_text[enc->state[enc->program].ps_csegment * 2 + 1];
else group->d = enc->state[enc->program].ps_text[enc->state[enc->program].ps_csegment * 2] << 8 | enc->state[enc->program].ps_text[enc->state[enc->program].ps_csegment * 2 + 1];
enc->state[enc->program].ps_csegment++;
if (enc->state[enc->program].ps_csegment == 4) enc->state[enc->program].ps_csegment = 0;
}
void get_rds_fasttuning_group(RDSEncoder* enc, RDSGroup *group) {
group->b |= 15 << 12;
group->b |= 1 << 11;
group->is_type_b = 1;
group->b |= enc->data[enc->program].ta << 4;
if(enc->state[enc->program].fasttuning_state == 0) group->b |= enc->data[enc->program].dpty << 2;
group->b |= enc->state[enc->program].fasttuning_state;
group->d = group->b;
enc->state[enc->program].fasttuning_state++;
if (enc->state[enc->program].fasttuning_state == 4) enc->state[enc->program].fasttuning_state = 0;
}
void get_rds_rt_group(RDSEncoder* enc, RDSGroup *group) {
if (enc->state[enc->program].rt_update && enc->data[enc->program].rt1_enabled && !enc->data[enc->program].current_rt) {
memcpy(enc->state[enc->program].rt_text, enc->data[enc->program].rt1, RT_LENGTH);
TOGGLE(enc->state[enc->program].rt_ab);
enc->state[enc->program].rt_update = 0;
enc->state[enc->program].rt_state = 0;
enc->data[enc->program].current_rt = 0;
}
if(enc->state[enc->program].rt2_update && enc->data[enc->program].rt2_enabled && enc->data[enc->program].current_rt) {
memcpy(enc->state[enc->program].rt_text, enc->data[enc->program].rt2, RT_LENGTH);
TOGGLE(enc->state[enc->program].rt_ab);
enc->state[enc->program].rt2_update = 0;
enc->state[enc->program].rt_state = 0;
enc->data[enc->program].current_rt = 1;
}
uint8_t ab = enc->state[enc->program].rt_ab;
switch (enc->data[enc->program].rt_type)
{
case 0:
ab = 0;
break;
case 1:
ab = (enc->data[enc->program].current_rt == 0) ? 0 : 1;
break;
default: break;
}
group->b |= 2 << 12;
group->b |= ab << 4;
group->b |= enc->state[enc->program].rt_state;
group->c = enc->state[enc->program].rt_text[enc->state[enc->program].rt_state * 4 ] << 8;
group->c |= enc->state[enc->program].rt_text[enc->state[enc->program].rt_state * 4 + 1];
group->d = enc->state[enc->program].rt_text[enc->state[enc->program].rt_state * 4 + 2] << 8;
group->d |= enc->state[enc->program].rt_text[enc->state[enc->program].rt_state * 4 + 3];
uint8_t segments = (enc->data[enc->program].current_rt == 1) ? enc->state[enc->program].rt2_segments : enc->state[enc->program].rt_segments;
enc->state[enc->program].rt_state++;
if (enc->state[enc->program].rt_state == segments) enc->state[enc->program].rt_state = 0;
}
void get_rdsp_oda_af_oda_group(RDSGroup *group) {
group->b |= 3 << 12;
group->b |= 7 << 1;
group->d = ODA_AID_ODAAF;
}
void get_rds_oda_af_group(RDSEncoder* enc, RDSGroup *group) {
uint16_t af[4];
get_next_af_oda(enc, af);
group->b |= 7 << 12;
for (int i = 0; i < 4; i++) group->b |= ((af[i] >> 8) & 1) << i;
group->c = (af[0] & 0xFF) << 8;
group->c |= af[1] & 0xFF;
group->d = (af[2] & 0xFF) << 8;
group->d |= af[3] & 0xFF;
}
void get_rdsp_ct_group(RDSGroup *group, time_t now) {
struct tm *utc, *local_time;
uint8_t l;
uint32_t mjd;
int16_t offset;
utc = gmtime(&now);
l = utc->tm_mon <= 1 ? 1 : 0;
mjd = 14956 + utc->tm_mday + (uint32_t)((utc->tm_year - l) * 365.25f) + (uint32_t)((utc->tm_mon + (1+1) + l * 12) * 30.6001f);
group->b |= 4 << 12 | (mjd >> 15);
group->c = (mjd << 1) | (utc->tm_hour >> 4);
group->d = (utc->tm_hour & 0xf) << 12 | utc->tm_min << 6;
local_time = localtime(&now);
offset = local_time->tm_gmtoff / (30 * 60);
if (offset < 0) group->d |= 1 << 5;
group->d |= abs(offset);
}
void get_rds_lps_group(RDSEncoder* enc, RDSGroup *group) {
if (enc->state[enc->program].lps_state == 0 && enc->state[enc->program].lps_update) {
memcpy(enc->state[enc->program].lps_text, enc->data[enc->program].lps, LPS_LENGTH);
enc->state[enc->program].lps_update = 0;
}
group->b |= 15 << 12 | enc->state[enc->program].lps_state;
group->c = enc->state[enc->program].lps_text[enc->state[enc->program].lps_state * 4] << 8;
group->c |= enc->state[enc->program].lps_text[enc->state[enc->program].lps_state * 4 + 1];
group->d = enc->state[enc->program].lps_text[enc->state[enc->program].lps_state * 4 + 2] << 8;
group->d |= enc->state[enc->program].lps_text[enc->state[enc->program].lps_state * 4 + 3];
enc->state[enc->program].lps_state++;
if (enc->state[enc->program].lps_state >= enc->state[enc->program].lps_segments) enc->state[enc->program].lps_state = 0;
}
void get_rds_ecc_group(RDSEncoder* enc, RDSGroup *group) {
group->b |= 1 << 12;
group->c = enc->state[enc->program].eon_linkage << 15;
group->c |= enc->data[enc->program].ecc;
}
void get_rds_slcdata_group(RDSEncoder* enc, RDSGroup *group) {
group->b |= 1 << 12;
group->c = enc->state[enc->program].eon_linkage << 15;
group->c |= 0x6000;
group->c |= enc->data[enc->program].slc_data;
}
void get_rds_ptyn_group(RDSEncoder* enc, RDSGroup *group) {
if (enc->state[enc->program].ptyn_state == 0 && enc->state[enc->program].ptyn_update) {
memcpy(enc->state[enc->program].ptyn_text, enc->data[enc->program].ptyn, PTYN_LENGTH);
TOGGLE(enc->state[enc->program].ptyn_ab);
enc->state[enc->program].ptyn_update = 0;
}
group->b |= 10 << 12 | enc->state[enc->program].ptyn_state;
group->b |= enc->state[enc->program].ptyn_ab << 4;
group->c = enc->state[enc->program].ptyn_text[enc->state[enc->program].ptyn_state * 4] << 8;
group->c |= enc->state[enc->program].ptyn_text[enc->state[enc->program].ptyn_state * 4 + 1];
group->d = enc->state[enc->program].ptyn_text[enc->state[enc->program].ptyn_state * 4 + 2] << 8;
group->d |= enc->state[enc->program].ptyn_text[enc->state[enc->program].ptyn_state * 4 + 3];
enc->state[enc->program].ptyn_state++;
if (enc->state[enc->program].ptyn_state == 2) enc->state[enc->program].ptyn_state = 0;
}
void get_rds_eon_group(RDSEncoder* enc, RDSGroup *group) {
RDSEON eon;
eon = enc->data[enc->program].eon[enc->state[enc->program].eon_index];
while(1) {
group->b |= 14 << 12;
group->b |= eon.tp << 4;
switch (enc->state[enc->program].eon_state)
{
case 0:
case 1:
case 2:
case 3:
group->c = eon.ps[enc->state[enc->program].eon_state*2] << 8;
group->c |= eon.ps[enc->state[enc->program].eon_state*2+1];
group->b |= enc->state[enc->program].eon_state;
break;
case 4:
group->c = get_next_af_eon(enc, enc->state[enc->program].eon_index);
group->b |= enc->state[enc->program].eon_state;
break;
case 5: // 13
group->c = eon.pty << 11;
if(eon.tp) group->c |= eon.ta;
group->b |= 13;
break;
case 6: // 15
group->c = eon.data;
group->b |= 15;
break;
}
group->d = eon.pi;
if(enc->state[enc->program].eon_state == 6) {
enc->state[enc->program].eon_index++;
uint8_t i = 0;
while(i < 4 && !enc->data[enc->program].eon[enc->state[enc->program].eon_index].enabled) {
enc->state[enc->program].eon_index++;
if(enc->state[enc->program].eon_index >= EONs) enc->state[enc->program].eon_index = 0;
eon = enc->data[enc->program].eon[enc->state[enc->program].eon_index];
i++;
}
enc->state[enc->program].eon_state = 0;
} else {
enc->state[enc->program].eon_state++;
break;
}
}
}
uint8_t get_rds_custom_groups(RDSEncoder* enc, RDSGroup *group) {
if(enc->state[enc->program].custom_group[0] == 1) {
enc->state[enc->program].custom_group[0] = 0;
group->a = enc->data[enc->program].pi;
group->b = enc->state[enc->program].custom_group[1];
group->c = enc->state[enc->program].custom_group[2];
group->d = enc->state[enc->program].custom_group[3];
group->is_type_b = (IS_TYPE_B(group->b) != 0);
return 1;
}
return 0;
}
uint8_t get_rds_custom_groups2(RDSEncoder* enc, RDSGroup *group) {
if(enc->state[enc->program].custom_group2[0] == 1) {
enc->state[enc->program].custom_group2[0] = 0;
group->a = enc->state[enc->program].custom_group2[1];
group->b = enc->state[enc->program].custom_group2[2];
group->c = enc->state[enc->program].custom_group2[3];
group->d = enc->state[enc->program].custom_group2[4];
group->is_type_b = (group->a == 0 && IS_TYPE_B(group->b));
return 1;
}
return 0;
}
int get_rdsp_lua_group(RDSGroup *group, const char grp) {
int generated = lua_group(group, grp);
if(generated) group->is_type_b = (IS_TYPE_B(group->b) != 0);
return generated;
}
void get_rds_user_oda_group(RDSEncoder* enc, RDSGroup *group) {
uint8_t pointer = enc->state[enc->program].user_oda.oda_pointer++;
if(enc->state[enc->program].user_oda.oda_pointer >= enc->state[enc->program].user_oda.oda_len) enc->state[enc->program].user_oda.oda_pointer = 0;
RDSODA oda = enc->state[enc->program].user_oda.odas[pointer];
group->b |= 3 << 12;
group->b |= oda.group << 1;
group->b |= oda.group_version;
group->c = oda.id_data;
group->d = oda.id;
}
int get_rds_user_oda_group_content(RDSEncoder* enc, RDSGroup *group) {
RDSODAState *oda_state = &enc->state[enc->program].user_oda;
if (oda_state->oda_len == 0) return 0;
for (uint8_t i = 0; i < oda_state->oda_len; i++) {
uint8_t current_idx = oda_state->oda_runner_pointer;
oda_state->oda_runner_pointer = (oda_state->oda_runner_pointer + 1) % oda_state->oda_len;
if (oda_state->odas[current_idx].lua_handler != 0) {
lua_group_ref(group, oda_state->odas[current_idx].lua_handler);
group->b |= oda_state->odas[current_idx].group << 12;
group->b |= oda_state->odas[current_idx].group_version << 11;
group->is_type_b = (IS_TYPE_B(group->b) != 0);
return 1;
}
}
return 0;
}
View Git Blame Copy Permalink