kuba/TEF6686_ESP32
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enchance the rtc driver

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KubaPro010
2026-01-16 09:35:54 +01:00
parent a3f1c194ba
commit 86181c1439
3 changed files with 39 additions and 32 deletions
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1
include/rtc.hpp
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@@ -12,5 +12,4 @@ extern ESP32Time rtc;
extern bool rx_rtc_avail; extern bool rx_rtc_avail;
bool init_rtc(); bool init_rtc();
void sync_from_rx_rtc(int32_t offset = 0);
void set_time(time_t time); void set_time(time_t time);

1
src/main.cpp
View File

@@ -1398,7 +1398,6 @@ void setup() {
else { else {
rtcset = true; rtcset = true;
console.print("RX8010SJ is used as a time source"); console.print("RX8010SJ is used as a time source");
sync_from_rx_rtc();
} }
} else console.print("RX8010SJ is not available at address " + String(RX8010SJ_ADDRESS, HEX)); } else console.print("RX8010SJ is not available at address " + String(RX8010SJ_ADDRESS, HEX));

69
src/rtc.cpp
View File

@@ -8,7 +8,7 @@ bool NTPupdated;
ESP32Time rtc(0); ESP32Time rtc(0);
bool rx_rtc_avail = false; bool rx_rtc_avail = false;
byte readFromModule(byte address) { inline byte readFromModule(byte address) {
Wire.beginTransmission(RX8010SJ_ADDRESS); Wire.beginTransmission(RX8010SJ_ADDRESS);
Wire.write(address); Wire.write(address);
Wire.endTransmission(); Wire.endTransmission();
@@ -43,35 +43,7 @@ inline byte sumValueFromBinary(byte binary, byte length) {
return sum; return sum;
} }
bool init_rtc() { void sync_from_rx_rtc(int32_t offset = 0) {
rtc.setTime(0);
byte flagregister = readFromModule(0x1E);
if((flagregister >> 1) & 1) {
while((flagregister >> 1) & 1) {
writeToModule(0x1E, 0); // clear VLF
flagregister = readFromModule(0x1E);
}
writeToModule(0x17, 216); // Reserved register
writeToModule(0x1F, 0); // Control register
writeToModule(0x31, 8); // Reserved register
writeToModule(0x32, 0); // IRQ control register
Wire.beginTransmission(RX8010SJ_ADDRESS);
Wire.write(0x10);
Wire.write(0);
Wire.write(0);
Wire.write(toBCD(12));
Wire.write(1 << 2);
Wire.write(toBCD(14));
Wire.write(1);
Wire.write(toBCD(26));
Wire.endTransmission();
return true;
}
return false;
}
void sync_from_rx_rtc(int32_t offset) {
if(!rx_rtc_avail) return; if(!rx_rtc_avail) return;
struct tm timeinfo; struct tm timeinfo;
@@ -97,10 +69,46 @@ void sync_from_rx_rtc(int32_t offset) {
} }
} }
bool init_rtc() {
rtc.setTime(0);
byte flagregister = readFromModule(0x1E);
if((flagregister >> 1) & 1) {
while((flagregister >> 1) & 1) {
writeToModule(0x1E, 0); // clear VLF
flagregister = readFromModule(0x1E);
}
writeToModule(0x17, 216); // Reserved register
writeToModule(0x1F, 64); // Control register, stop bit set
Wire.beginTransmission(RX8010SJ_ADDRESS);
Wire.write(0x31);
Wire.write(8); // Reserved register
Wire.write(0); // IRQ control register
Wire.endTransmission();
Wire.beginTransmission(RX8010SJ_ADDRESS);
Wire.write(0x10);
Wire.write(0);
Wire.write(0);
Wire.write(toBCD(12));
Wire.write(1 << 2);
Wire.write(toBCD(14));
Wire.write(1);
Wire.write(toBCD(26));
Wire.endTransmission();
writeToModule(0x1F, 0); // Unset stop bit
sync_from_rx_rtc();
return true;
}
sync_from_rx_rtc();
return false;
}
void set_time(time_t time) { void set_time(time_t time) {
rtc.setTime(time); rtc.setTime(time);
if(!rx_rtc_avail) return; if(!rx_rtc_avail) return;
struct tm* timeinfo = gmtime(&time); struct tm* timeinfo = gmtime(&time);
writeToModule(0x1F, 64);
Wire.beginTransmission(RX8010SJ_ADDRESS); Wire.beginTransmission(RX8010SJ_ADDRESS);
Wire.write(0x10); Wire.write(0x10);
Wire.write(toBCD(timeinfo->tm_sec)); Wire.write(toBCD(timeinfo->tm_sec));
@@ -111,4 +119,5 @@ void set_time(time_t time) {
Wire.write(toBCD(timeinfo->tm_mon + 1)); Wire.write(toBCD(timeinfo->tm_mon + 1));
Wire.write(toBCD((1900 + timeinfo->tm_year) % 100)); Wire.write(toBCD((1900 + timeinfo->tm_year) % 100));
Wire.endTransmission(); Wire.endTransmission();
writeToModule(0x1F, 0);
} }