mirror of
https://github.com/RobTillaart/Arduino.git
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91 lines
1.3 KiB
C++
91 lines
1.3 KiB
C++
//
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// FILE: FRAM_writeObject.ino
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// AUTHOR: Rob Tillaart
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// PURPOSE: demo writing reading objects
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// URL: https://github.com/RobTillaart/FRAM_I2C
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//
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// experimental
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#include "FRAM.h"
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FRAM fram;
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uint32_t start;
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uint32_t stop;
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uint32_t sizeInBytes = 0;
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void setup()
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{
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Serial.begin(115200);
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Serial.println(__FILE__);
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Serial.print("FRAM_LIB_VERSION: ");
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Serial.println(FRAM_LIB_VERSION);
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Wire.begin();
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int rv = fram.begin(0x50);
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if (rv != 0)
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{
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Serial.print("INIT ERROR: ");
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Serial.println(rv);
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}
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// get size in bytes
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sizeInBytes = fram.getSize() * 1024;
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// clear FRAM
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for (uint32_t addr = 0; addr < sizeInBytes; addr++)
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{
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fram.write8(addr, 0x00);
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}
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test_float();
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test_struct();
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}
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void loop()
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{
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}
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void test_float()
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{
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float x = 3.14159265;
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Serial.println(x, 6);
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fram.writeObject(100, x);
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x = 1.0/x;
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Serial.println(x, 6);
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fram.readObject(100, x);
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Serial.println(x, 6);
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}
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struct point
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{
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float x;
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float y;
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float z;
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} P = {3.91, 5.24, 7.58};
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void test_struct()
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{
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Serial.println(P.x);
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Serial.println(P.y);
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Serial.println(P.z);
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fram.writeObject(50, P);
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struct point Q;
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fram.readObject(50, Q);
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Serial.println(Q.x);
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Serial.println(Q.y);
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Serial.println(Q.z);
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}
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// -- END OF FILE --
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