mirror of
https://github.com/RobTillaart/Arduino.git
synced 2024-10-03 18:09:02 -04:00
49 lines
870 B
Arduino
49 lines
870 B
Arduino
|
//
|
||
|
|
// FILE: PCA9552_PWM.ino
|
||
|
|
// AUTHOR: Rob Tillaart
|
||
|
|
// DATE: 2023-07-18
|
||
|
|
// PURPOSE: test PCA9552 library
|
||
|
|
// URL: https://github.com/RobTillaart/PCA9552
|
||
|
|
//
|
||
|
|
// Connect LEDs from pin 0 and pin 1 with a resistor to 5V
|
||
|
|
// See datasheet
|
||
|
|
|
||
|
|
|
||
|
|
#include "Arduino.h"
|
||
|
|
#include "Wire.h"
|
||
|
|
#include "PCA9552.h"
|
||
|
|
|
||
|
|
|
||
|
|
PCA9552 leds(0x62);
|
||
|
|
|
||
|
|
|
||
|
|
void setup()
|
||
|
|
{
|
||
|
|
Serial.begin(115200);
|
||
|
|
Serial.print("PCA9552_LIB_VERSION: ");
|
||
|
|
Serial.println(PCA9552_LIB_VERSION);
|
||
|
|
Serial.println();
|
||
|
|
|
||
|
|
if (leds.begin() == false)
|
||
|
|
{
|
||
|
|
Serial.println("Could not connect.");
|
||
|
|
while (1);
|
||
|
|
}
|
||
|
|
|
||
|
|
leds.setOutputMode(0, PCA9552_MODE_PWM0);
|
||
|
|
leds.setOutputMode(1, PCA9552_MODE_PWM1);
|
||
|
|
|
||
|
|
leds.setPrescaler(0, 43); // 1 Hz
|
||
|
|
leds.setPWM(0, 128); // 50% duty cycle
|
||
|
|
leds.setPrescaler(1, 21); // 2 Hz
|
||
|
|
leds.setPWM(1, 32); // 12% duty cycle
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
void loop()
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
// -- END OF FILE --
|