kuba/TEF6686_ESP32
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RDS detection improvements

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This commit is contained in:
Sjef Verhoeven PE5PVB
2023-10-10 23:07:14 +02:00
parent a5181c2463
commit 18f40a20c8
2 changed files with 7 additions and 20 deletions
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25
src/TEF6686.cpp
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@@ -350,7 +350,6 @@ void TEF6686::readRDS(byte showrdserrors)
{
uint16_t rdsStat;
uint8_t offset;
bool rdsReady;
if (rds.filter) {
devTEF_Radio_Get_RDS_Status(&rdsStat, &rds.rdsA, &rds.rdsB, &rds.rdsC, &rds.rdsD, &rds.rdsErr);
} else {
@@ -364,9 +363,7 @@ void TEF6686::readRDS(byte showrdserrors)
}
}
bool bitValue = (rdsStat & (1 << 9)) != 0;
if (bitValue) {
if (rds.rdsA > 0 || rds.rdsB > 0 || rds.rdsC > 0 || rds.rdsD > 0) {
rds.hasRDS = true; // RDS decoder synchronized and data available
bitStartTime = 0;
} else {
@@ -383,9 +380,7 @@ void TEF6686::readRDS(byte showrdserrors)
rdsCerrorThreshold = (((rds.rdsErr >> 10) & 0x03) > showrdserrors);
rdsDerrorThreshold = (((rds.rdsErr >> 8) & 0x03) > showrdserrors);
if ((rdsStat & (1 << 15))) rdsReady = true;
if (rdsReady) { // We have all data to decode... let's go...
if (bitRead(rdsStat, 9)) { // We have all data to decode... let's go...
//PI decoder
if (!rdsAerrorThreshold && afreset) {
@@ -482,23 +477,17 @@ void TEF6686::readRDS(byte showrdserrors)
//PS decoder
if (showrdserrors == 3 || (!rdsBerrorThreshold && !rdsDerrorThreshold)) {
offset = rds.rdsB & 0x03; // Let's get the character offset for PS
offsetold = offset;
if (offset == 0 && offsetold != 3) psincomplete = false; else psincomplete = true; // Routine to check if all PS blocks are available
if (offset == 1 && offsetold != 0) psincomplete = false; else psincomplete = true;
if (offset == 2 && offsetold != 1) psincomplete = false; else psincomplete = true;
if (offset == 3 && offsetold != 2) psincomplete = false; else psincomplete = true;
ps_buffer2[(offset * 2) + 0] = ps_buffer[(offset * 2) + 0]; // Make a copy of the PS buffer
ps_buffer2[(offset * 2) + 1] = ps_buffer[(offset * 2) + 1];
ps_buffer2[(offset * 2) + 2] = '\0'; // Endmarker of segment
ps_buffer2[8] = '\0'; // Endmarker
ps_buffer[(offset * 2) + 0] = rds.rdsD >> 8; // First character of segment
ps_buffer[(offset * 2) + 1] = rds.rdsD & 0xFF; // Second character of segment
ps_buffer[(offset * 2) + 2] = '\0'; // Endmarker of segment
ps_buffer[8] = '\0'; // Endmarker
if (offset == 3 && ps_process && (!psincomplete || showrdserrors == 3)) { // Last chars are received
if (strcmp(ps_buffer, ps_buffer2) == 0) { // When difference between old and new, let's go...
if (offset == 3 && ps_process) { // Last chars are received
if (strcmp(ps_buffer, ps_buffer2) == 0) { // When no difference between current and buffer, let's go...
RDScharConverter(ps_buffer2, PStext, sizeof(PStext) / sizeof(wchar_t), true); // Convert 8 bit ASCII to 16 bit ASCII
String utf8String = convertToUTF8(PStext); // Convert RDS characterset to ASCII
rds.stationName = extractUTF8Substring(utf8String, 0, 8, true); // Make sure PS does not exceed 8 characters
@@ -510,7 +499,7 @@ void TEF6686::readRDS(byte showrdserrors)
RDScharConverter(ps_buffer, PStext, sizeof(PStext) / sizeof(wchar_t), true); // Convert 8 bit ASCII to 16 bit ASCII
String utf8String = convertToUTF8(PStext); // Convert RDS characterset to ASCII
rds.stationName = extractUTF8Substring(utf8String, 0, 8, true);
if (ps_counter >= 24 && !psincomplete) ps_process = true; // OK, we had a few runs, now let's go the idle PS writing
if (ps_counter > 3) ps_process = true; // OK, we had one runs, now let's go the idle PS writing
}
if (offset == 0) rds.hasDynamicPTY = bitRead(rds.rdsB, 2) & 0x1F; // Dynamic PTY flag