thooge/esp32-nmea2000-obp60
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Use I2C FRAM module if available to store page voltage state

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This commit is contained in:
Thomas Hooge
2024-12-25 19:23:44 +01:00
parent 3bc0082bb8
commit daaefc7eba
6 changed files with 67 additions and 7 deletions
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28
lib/obp60task/OBP60Extensions.cpp
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@@ -61,6 +61,10 @@ GxEPD2_BW<GxEPD2_420_SE0420NQ04, GxEPD2_420_SE0420NQ04::HEIGHT> & getdisplay(){r
// Horter I2C moduls
PCF8574 pcf8574_Out(PCF8574_I2C_ADDR1); // First digital output modul PCF8574 from Horter
// FRAM
Adafruit_FRAM_I2C fram;
bool hasFRAM = false;
// Global vars
bool blinkingLED = false; // Enable / disable blinking flash LED
bool statusLED = false; // Actual status of flash LED on/off
@@ -70,7 +74,7 @@ int uvDuration = 0; // Under voltage duration in n x 100ms
LedTaskData *ledTaskData=nullptr;
void hardwareInit()
void hardwareInit(GwApi *api)
{
Wire.begin();
// Init PCF8574 digital outputs
@@ -78,7 +82,27 @@ void hardwareInit()
if(pcf8574_Out.begin()){ // Initialize PCF8574
pcf8574_Out.write8(255); // Clear all outputs
}
fram = Adafruit_FRAM_I2C();
if (esp_reset_reason() == ESP_RST_POWERON) {
// help initialize FRAM
api->getLogger()->logDebug(GwLog::LOG,"Delaying I2C init for 250ms due to cold boot");
delay(250);
}
// FRAM (e.g. MB85RC256V)
if (fram.begin(FRAM_I2C_ADDR)) {
hasFRAM = true;
uint16_t manufacturerID;
uint16_t productID;
fram.getDeviceID(&manufacturerID, &productID);
// Boot counter
uint8_t framcounter = fram.read(0x0000);
fram.write(0x0000, framcounter+1);
api->getLogger()->logDebug(GwLog::LOG,"FRAM detected: 0x%04x/0x%04x (counter=%d)", manufacturerID, productID, framcounter);
}
else {
hasFRAM = false;
api->getLogger()->logDebug(GwLog::LOG,"NO FRAM detected");
}
}
void startLedTask(GwApi *api){