sneak
/
mcu
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

no longer crashes the mc

This commit is contained in:
Jeffrey Paul 2022-01-11 03:16:39 -08:00
parent b56272cfc6
commit d52dc0263c
1 changed files with 14 additions and 32 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

46
wwvb/wwvb.ino
View File

@ -197,19 +197,13 @@ void loop() {
TickSecond(); TickSecond();
} }
yield();
if(bitReadyForRead) { if(bitReadyForRead) {
bitReadyForRead = 0; bitReadyForRead = 0;
readBit(); readBit();
} }
yield();
PPSLowIfRequired(); PPSLowIfRequired();
yield();
if (displayUpdateRequired) { if (displayUpdateRequired) {
updateDisplay(); updateDisplay();
displayUpdateRequired = 0; displayUpdateRequired = 0;
@ -244,46 +238,34 @@ void TickSecond() {
} }
void readBit() { void readBit() {
char buf[255]; //char buf[255];
unsigned int ms = lastBitHighMS; //sprintf(buf, "*** carrier was high for %sms befor \n", lastBitHighMS);
sprintf(buf, "*** carrier was high for %sms befor \n", ms); //Serial.print(buf);
Serial.print(buf);
displayUpdateRequired++; displayUpdateRequired++;
registerBit(convertBit(ms)); registerBit(convertBit(lastBitHighMS));
} }
int convertBit(unsigned int ms) { int convertBit(unsigned int ms) {
char buf[255]; char buf[255];
/*
20% - marker
50% - one bit
80% - zero bit
our cutoff points will be 50% and 80%
*/
char bitbuf[20]; char bitbuf[20];
int output = 0; int output = 0;
output = ZEROBIT; output = ZEROBIT;
sprintf(bitbuf, "ZERO"); sprintf(bitbuf, "ZERO");
return output; if (ms < 800) {
/*
if (rawVal < 800) {
output = ONEBIT; output = ONEBIT;
sprintf(bitbuf, "ONE"); sprintf(bitbuf, "ONE");
} }
if (rawVal < 680) { if (ms < 400) {
output = MARKBIT; output = MARKBIT;
sprintf(bitbuf, "MARK"); sprintf(bitbuf, "MARK");
} }
sprintf(buf, "frame rawVal=%d, bit=%s\n", rawVal, bitbuf); sprintf(buf, "frame prevHighMs=%s, bit=%s\n", ms, bitbuf);
Serial.print(buf); Serial.print(buf);
return output; return output;
*/
} }
void registerBit(int doot) { void registerBit(int doot) {
@ -291,6 +273,7 @@ void registerBit(int doot) {
frameCounter++; frameCounter++;
} }
if (doot == MARKBIT) { if (doot == MARKBIT) {
if (lastBitReceived == MARKBIT) { if (lastBitReceived == MARKBIT) {
// two mark bits in a row means we are in the first second of the minute // two mark bits in a row means we are in the first second of the minute
@ -363,11 +346,10 @@ void updateDisplay() {
if (lossOfSignal) { if (lossOfSignal) {
sprintf(statusString, "LOS"); sprintf(statusString, "LOS");
} } else {
if (millisSinceBoot - frameStartTime < 10000) {
sprintf(statusString, "RX(syncing)"); sprintf(statusString, "RX(syncing)");
} }
if (minuteSync) { if (minuteSync) {
sprintf(statusString, "RX(bit %d)", frameCounter); sprintf(statusString, "RX(bit %d)", frameCounter);
} }