GY-63_MS5611/libraries/MCP4725/examples/mcp4725_test/mcp4725_test.ino

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//
// FILE: mcp4725_test.ino
// AUTHOR: Rob Tillaart
// VERSION: 0.1.04
// PURPOSE: test mcp4725 lib
// DATE: 2013-11-24
// URL:
//
// Released to the public domain
//
#include <Wire.h>
#include "MCP4725.h"
MCP4725 DAC(0x62); // 0x62 or 0x63
void setup()
{
Serial.begin(115200);
Serial.print("MCP4725 test program: ");
Serial.println(MCP4725_VERSION);
DAC.begin();
Serial.print("\nValue:\t");
Serial.println(DAC.getValue());
Serial.println();
for (int i=100; i<500; i+=100)
{
Serial.print("setValue(");
Serial.print(i);
Serial.print(")\n");
DAC.setValue(i);
Serial.print("Value:\t");
Serial.println(DAC.getValue());
}
Serial.println();
#ifdef MCP4725_EXTENDED
Serial.println("\n\nMCP4725_EXTENDED\n\n");
for (int i=100; i<500; i+=100)
{
Serial.print("writeDAC(");
Serial.print(i);
Serial.print(")\n");
DAC.writeDAC(i);
Serial.print("DACValue:\t");
Serial.println(DAC.readDAC());
Serial.print("EEValue:\t");
Serial.println(DAC.readEEPROM());
}
Serial.println();
for (int i=100; i<500; i+=100)
{
Serial.print("writeDAC(");
Serial.print(i);
Serial.print(", true)\n");
DAC.writeDAC(i, true);
Serial.print("DACValue:\t");
Serial.println(DAC.readDAC());
Serial.print("EEValue:\t");
Serial.println(DAC.readEEPROM());
}
Serial.println();
Serial.println("writeDAC(200)");
DAC.writeDAC(200);
Serial.print("DACValue:\t");
Serial.println(DAC.readDAC());
Serial.print("EEValue:\t");
Serial.println(DAC.readEEPROM());
Serial.println();
#endif
#ifdef MCP4725_POWERDOWNMODE
Serial.println("\n\nMCP4725_POWERDOWNMODE\n\n");
for (int i=0; i<4; i++)
{
Serial.print("DAC.writePowerDownMode(");
Serial.print(i);
Serial.println(")");
DAC.writePowerDownMode(i);
Serial.print("EPR PDM Value:\t");
Serial.println(DAC.readPowerDownModeEEPROM());
Serial.println();
}
Serial.println("EXPERIMENTAL");
Serial.println("DAC.writePowerDownMode(3)");
DAC.writePowerDownMode(3);
DAC.writeDAC(305);
Serial.print("Value:\t");
Serial.println(DAC.getValue());
Serial.println("DAC.powerOnReset()");
Serial.println("Before");
Serial.print("DAC PDM Value:\t");
Serial.println(DAC.readPowerDownModeDAC());
Serial.print("EPR PDM Value:\t");
Serial.println(DAC.readPowerDownModeEEPROM());
Serial.print("DACValue:\t");
Serial.println(DAC.readDAC());
Serial.print("EEValue:\t");
Serial.println(DAC.readEEPROM());
DAC.powerOnReset();
Serial.println("After");
Serial.print("DAC PDM Value:\t");
Serial.println(DAC.readPowerDownModeDAC());
Serial.print("EPR PDM Value:\t");
Serial.println(DAC.readPowerDownModeEEPROM());
Serial.print("DACValue:\t");
Serial.println(DAC.readDAC());
Serial.print("EEValue:\t");
Serial.println(DAC.readEEPROM());
Serial.print("Value:\t");
Serial.println(DAC.getValue());
Serial.println();
Serial.println("EXPERIMENTAL");
Serial.println("DAC.writePowerDownMode(2)");
DAC.writePowerDownMode(2);
DAC.writeDAC(405);
Serial.print("Value:\t");
Serial.println(DAC.getValue());
Serial.println("DAC.powerOnWakeUp()");
Serial.println("Before");
Serial.print("DAC PDM Value:\t");
Serial.println(DAC.readPowerDownModeDAC());
Serial.print("EPR PDM Value:\t");
Serial.println(DAC.readPowerDownModeEEPROM());
Serial.print("DACValue:\t");
Serial.println(DAC.readDAC());
Serial.print("EEValue:\t");
Serial.println(DAC.readEEPROM());
DAC.powerOnWakeUp();
Serial.println("after");
Serial.print("DAC PDM Value:\t");
Serial.println(DAC.readPowerDownModeDAC());
Serial.print("EPR PDM Value:\t");
Serial.println(DAC.readPowerDownModeEEPROM());
Serial.print("DACValue:\t");
Serial.println(DAC.readDAC());
Serial.print("EEValue:\t");
Serial.println(DAC.readEEPROM());
Serial.print("Value:\t");
Serial.println(DAC.getValue());
Serial.println();
#endif
//////////////////////////////////////////////////
Serial.println("\n\nPERFORMANCE");
Serial.print("TWBR:\t");
Serial.println(TWBR);
Serial.println();
uint32_t start = micros();
for (int i=0; i< 1000; i++)
{
volatile int x = DAC.getValue();
}
uint32_t end = micros();
Serial.print("1000x DAC.getValue():\t\t");
Serial.println(end - start);
start = micros();
for (int i=0; i< 1000; i++)
{
DAC.setValue(i);
}
end = micros();
Serial.print("1000x DAC.setValue(i):\t\t");
Serial.println(end - start);
start = micros();
for (int i=0; i< 1000; i++)
{
DAC.setValue(1000);
}
end = micros();
Serial.print("1000x DAC.setValue(1000):\t");
Serial.println(end - start);
#ifdef MCP4725_EXTENDED
start = micros();
for (int i=0; i< 1000; i++)
{
volatile int x = DAC.readDAC();
}
end = micros();
Serial.print("1000x DAC.readDAC():\t\t");
Serial.println(end - start);
start = micros();
for (int i=0; i< 1000; i++)
{
volatile int x = DAC.writeDAC(i);
}
end = micros();
Serial.print("1000x DAC.writeDAC(i):\t\t");
Serial.println(end - start);
start = micros();
for (int i=0; i< 10; i++)
{
volatile int x = DAC.writeDAC(i, true);
}
end = micros();
Serial.print("10x DAC.writeDAC(i, true):\t");
Serial.println(end - start);
start = micros();
for (int i=0; i< 1000; i++)
{
volatile int x = DAC.RDY();
}
end = micros();
Serial.print("1000x DAC.RDY():\t\t");
Serial.println(end - start);
while (!DAC.RDY());
DAC.writeDAC(0, true);
start = micros();
while (!DAC.RDY());
end = micros();
Serial.print("EEPROM write latency:\t\t");
Serial.println(end - start);
#endif
#ifdef MCP4725_POWERDOWNMODE
Serial.println("\nEXPERIMENTAL");
start = micros();
for (int i=0; i< 10; i++)
{
volatile int x = DAC.readPowerDownModeDAC();
}
end = micros();
Serial.print("10x DAC.readPowerDownModeDAC():\t\t");
Serial.println(end - start);
start = micros();
for (int i=0; i< 10; i++)
{
volatile int x = DAC.readPowerDownModeEEPROM();
}
end = micros();
Serial.print("10x DAC.readPowerDownModeEEPROM():\t");
Serial.println(end - start);
start = micros();
for (int i=0; i< 10; i++)
{
volatile int x = DAC.writePowerDownMode(i & 0x03);
}
end = micros();
Serial.print("10x DAC.writePowerDownMode(i):\t\t");
Serial.println(end - start);
#endif
Serial.print("\nDone... (start triangle mode)");
}
void loop()
{
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for (int i=0; i< 4096; i++)
{
DAC.setValue(i);
delay(10);
}
for (int i=0; i< 4096; i++)
{
DAC.setValue(4096 - i);
delay(10);
}
}
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