Chinese 8266 modules like the Wemos D1 mini clones are a black box to me, specs are hard to find
I needed to know the flash memory size and found this Sketch to check that.
I want to use SPIFFS mem for storing graphics etc., learning now how Werk_AG has used it...
more info:
https://www.instructables.com/Using-ESP8266-SPIFFS/
sample output:
I needed to know the flash memory size and found this Sketch to check that.
I want to use SPIFFS mem for storing graphics etc., learning now how Werk_AG has used it...
more info:
https://www.instructables.com/Using-ESP8266-SPIFFS/
sample output:
Quote:Flash real id: 0016405E
Flash real size: 4194304 bytes
Flash ide size: 4194304 bytes
Flash ide speed: 40000000 Hz
Flash ide mode: DIO
Flash Chip configuration ok.
Code:
/*
ESP8266 CheckFlashConfig by Markus Sattler
This sketch tests if the EEPROM settings of the IDE match to the Hardware
*/
void setup(void) {
Serial.begin(115200);
}
void loop() {
uint32_t realSize = ESP.getFlashChipRealSize();
uint32_t ideSize = ESP.getFlashChipSize();
FlashMode_t ideMode = ESP.getFlashChipMode();
Serial.printf("Flash real id: %08X\n", ESP.getFlashChipId());
Serial.printf("Flash real size: %u bytes\n\n", realSize);
Serial.printf("Flash ide size: %u bytes\n", ideSize);
Serial.printf("Flash ide speed: %u Hz\n", ESP.getFlashChipSpeed());
Serial.printf("Flash ide mode: %s\n", (ideMode == FM_QIO ? "QIO" : ideMode == FM_QOUT ? "QOUT" : ideMode == FM_DIO ? "DIO" : ideMode == FM_DOUT ? "DOUT" : "UNKNOWN"));
if (ideSize != realSize) {
Serial.println("Flash Chip configuration wrong!\n");
} else {
Serial.println("Flash Chip configuration ok.\n");
}
delay(5000);
}