Add eeprom tests
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3
.gitmodules
vendored
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[submodule "eeprom/lib/AT24Cx"]
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path = eeprom/lib/AT24Cx
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url = https://github.com/cyberp/AT24Cx.git
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41
eeprom-search/eeprom-search.ino
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eeprom-search/eeprom-search.ino
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/*
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*
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* Search for an EEPROM.
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* This sketch iterate the eight possible I2C addresses and
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* checks if an EEPROM is found.
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*
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* Written by Christian Paul, 2014-11-24
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*
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*
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*/
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// include libraries
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#include <Wire.h>
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// setup
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void setup() {
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Serial.begin(9600);
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Serial.println("AT24CX search");
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Serial.println("-------------------------");
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Wire.begin();
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int i2c = 0x50;
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for (int i=0; i<8; i++) {
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Serial.print("Search at [");
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Serial.print(i2c, HEX);
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Serial.print("]: ");
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Wire.beginTransmission(i2c);
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int result = Wire.endTransmission();
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if (result==0)
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Serial.println("FOUND!");
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else
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Serial.println("not found");
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i2c++;
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}
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}
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// main loop
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void loop() {}
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29
eeprom/eeprom.ino
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eeprom/eeprom.ino
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#include "lib/AT24Cx/AT24CX.h"
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#include "lib/AT24Cx/AT24CX.cpp"
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char dataTemplate[] = "Heya!";
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AT24C64 eeprom;
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void setup() {
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Serial.begin(9600);
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}
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void loop() {
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Serial.print("Writing to chip - ");
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eeprom.writeChars(200, dataTemplate, sizeof(dataTemplate));
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Serial.println("done");
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Serial.print("Data: ");
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Serial.print(dataTemplate);
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Serial.println();
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delay(1000);
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Serial.print("Data on chip: '");
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char data[5];
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eeprom.readChars(200, data, sizeof(data));
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Serial.print(data);
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Serial.println("'");
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delay(1000);
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}
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1
eeprom/lib/AT24Cx
Submodule
1
eeprom/lib/AT24Cx
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Subproject commit a271dcb7a1a4881692fd81f13f53f80b1863bf24
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