mirror of
https://github.com/RobTillaart/I2C_EEPROM.git
synced 2026-07-28 04:16:22 +00:00
Rob TillaartandGitHub
f3e70ff3cf
- Fix #64, compiler warning. - add **verifyBlock(memoryAddress, buffer, length)** - add example **I2C_eeprom_verifyBlock.ino** - update GitHub actions - update keywords.txt - update examples - update readme.md
100 lines
1.8 KiB
Arduino
100 lines
1.8 KiB
Arduino
//
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// FILE: I2C_eeprom_verifyBlock.ino
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// AUTHOR: Rob Tillaart
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// PURPOSE: demo I2C_EEPROM library
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//
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// uses a 24LC256 (32KB) EEPROM
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#include "Wire.h"
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#include "I2C_eeprom.h"
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I2C_eeprom ee(0x50, I2C_DEVICESIZE_24LC256);
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uint32_t start, dur1;
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char buffer[] = "12345678901234567890123456789012345678901234567890"; // 50 bytes
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void setup()
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{
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Serial.begin(115200);
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while (!Serial); // wait for Serial port to connect. Needed for Leonardo only
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Serial.println(__FILE__);
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Serial.print("I2C_EEPROM_VERSION: ");
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Serial.println(I2C_EEPROM_VERSION);
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Wire.begin();
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ee.begin();
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if (! ee.isConnected())
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{
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Serial.println("ERROR: Can't find eeprom\nstopped...");
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while (1);
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}
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delay(10);
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//////////////////////////////////////////////////////////////////////
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Serial.println("\nTEST: writeBlock()");
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delay(10);
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start = micros();
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ee.writeBlock(0, (uint8_t *) buffer, 50);
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dur1 = micros() - start;
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Serial.print("DUR1: ");
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Serial.println(dur1);
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delay(10);
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Serial.println("\nTEST: verifyBlock() no change");
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delay(10);
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start = micros();
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if (ee.verifyBlock(0, (uint8_t *) buffer, 50) == false)
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{
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Serial.print("X");
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}
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dur1 = micros() - start;
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Serial.print("DUR1: ");
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Serial.println(dur1);
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delay(10);
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for (uint8_t loc = 0; loc < 50; loc += 5)
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{
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disrupt(loc);
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}
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Serial.println("done...");
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}
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void loop()
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{
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}
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void disrupt(uint8_t location)
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{
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bool flag = true;
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// disrupt memory
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Serial.print("\nTEST: verifyBlock() after change @ ");
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Serial.println(location);
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delay(10);
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ee.writeBlock(0, (uint8_t *) buffer, 50);
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ee.writeByte(location, 255);
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start = micros();
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if (ee.verifyBlock(0, (uint8_t *) buffer, 50) == false)
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{
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flag = false;
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}
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dur1 = micros() - start;
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Serial.print("DUR1: ");
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Serial.println(dur1);
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Serial.println(flag);
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delay(10);
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}
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// -- END OF FILE --
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