GY-63_MS5611/libraries/shiftOutSlow/examples/shiftOutSlow_print/shiftOutSlow_print.ino

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2021-08-16 13:25:37 -04:00
//
// FILE: shiftOutSlow_print.ino
// AUTHOR: Rob Tillaart
// PURPOSE: test sketch for print interface
// URL: https://github.com/RobTillaart/ShiftOutSlow
#include "ShiftOutSlow.h"
ShiftOutSlow SOS(12, 13, LSBFIRST);
volatile int x = 0;
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void setup()
{
Serial.begin(115200);
Serial.println(__FILE__);
Serial.println(SHIFTOUTSLOW_LIB_VERSION);
Serial.println("\nwrite(byte)");
Serial.println("delay\tus/byte");
delay(10); // extra time to flush serial buffer
for (uint16_t d = 0; d < 100; d += 10)
{
SOS.setDelay(d);
uint32_t start = micros();
x = SOS.write(0x55);
uint32_t stop = micros();
float duration = stop - start;
Serial.print(d);
Serial.print("\t");
Serial.println(duration / x, 2);
delay(10);
}
char str[24] = "hello world!";
Serial.println("\nwrite(buffer, size)");
Serial.println("delay\tus/byte");
delay(10);
for (uint16_t d = 0; d < 100; d += 10)
{
SOS.setDelay(d);
uint32_t start = micros();
x = SOS.write((const uint8_t*) str, 12);
uint32_t stop = micros();
float duration = stop - start;
Serial.print(d);
Serial.print("\t");
Serial.println(duration / x, 2);
delay(10);
}
Serial.println("\nprint(str)");
Serial.println("delay\tus/byte");
delay(10);
for (uint16_t d = 0; d < 100; d += 10)
{
SOS.setDelay(d);
uint32_t start = micros();
x = SOS.print(str);
uint32_t stop = micros();
float duration = stop - start;
Serial.print(d);
Serial.print("\t");
Serial.println(duration / x, 2);
delay(10);
}
Serial.println("\nprintln(str)");
Serial.println("delay\tus/byte");
delay(10);
for (uint16_t d = 0; d < 100; d += 10)
{
SOS.setDelay(d);
uint32_t start = micros();
x = SOS.println(str);
uint32_t stop = micros();
float duration = stop - start;
Serial.print(d);
Serial.print("\t");
Serial.println(duration / x, 2);
delay(10);
}
Serial.println(LSBFIRST);
Serial.println(MSBFIRST);
Serial.println("done...");
}
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void loop()
{
}
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// -- END OF FILE --
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