Expander MCP23017 #155
Description
Hello,
I am trying to add 3 of these Mux to my sketch, how do i get this Mux added to your library? Also im told i can run all 3 on 1 interrupt, do you have any insight on this?
#include <Encoder.h> // Include the Encoder library.
// Include the library
#include <Control_Surface.h>
// Instantiate a MIDI Interface to use
USBMIDI_Interface midi;
// Buttons
const int LF = A0;
const int MF = A1;
const int HF = A2;
const int LC = A3;
const int LMF = A4;
const int HMF = A5;
const int HC = A6;
const int ShowCurve = A7;
const int HighQuality = A8;
const int GainAuto = A9;
// LEDS
//const int LFLED = 44;
//const int MFLED = 45;
//const int HFLED = 46;
//const int LCLED = 47;
//const int LMFLED = 48;
//const int HMFLED = 49;
//const int HCLED = 50;
//const int ShowCurveLED = 51;
//const int HighQualityLED = 52;
//const int GainAutoLED = 53;
const pin_t ledPins[] = {44, 45, 46, 47, 48, 49, 50, 51, 52, 53};
//Encoders
int LFQa = 2;
int LFQb = 3;
// Instantiate an analog multiplexer
MCP23017 mux1 = {
2, // Digital input pin
{A10, A11} // Address pins
};
CCRotaryEncoder knob1 [] = {
{mux.pin(6), {MIDI_CC::Channel_Volume, CHANNEL_7}},
{mux.pin(7), {MIDI_CC::Channel_Volume, CHANNEL_8}},
};
//Freq Activation
CCButtonLatched buttons[] = {
{LF, MCU::SOLO_1},
{MF, MCU::SOLO_2},
{HF, MCU::SOLO_3},
{LC, MCU::SOLO_4},
{LMF, MCU::SOLO_5},
{HMF, MCU::SOLO_6},
{HC, MCU::SOLO_7},
{ShowCurve, MCU::SOLO_8},
{HighQuality, MCU::MUTE_1},
{GainAuto, MCU::MUTE_2},
};
//CCRotaryEncoder enc1 = {
//{LFQa, LFQb},
//MIDI_CC::Pan,
//1,
//};
//CCPotentiometer potentiometer = {
// A10, {MIDI_CC::Channel_Volume, CHANNEL_1}
};
// Initialize the Control Surface
void setup() {
// Add the mapping function to the potentiometer
//potentiometer.map(mappingFunction);
//LED Controll
for (pin_t ledPin : ledPins)
pinMode(ledPin, OUTPUT);
//Encoders
pinMode(LFQa, INPUT_PULLUP);
pinMode(LFQb, INPUT_PULLUP);
// Use the Mackie Control protocol for sending relative MIDI CC messages.
RelativeCCSender::setMode (TWOS_COMPLEMENT);
Serial.begin(115200);
Control_Surface.begin(); // Initialize Control Surface
//Control_Surface.setMIDIInputCallbacks(channelMsgCallback, nullptr, nullptr); //MIDI Read
}
//Led Controll
template <class T, size_t N>
constexpr size_t len(const T (&)[N]) { return N; }
// Update the Control Surface
void loop() {
// Update the control surface
Control_Surface.loop();
//LED Controll
static_assert(len(ledPins) == len(buttons), "Use the same number of LEDs as the number of buttons!");
for (size_t i = 0; i < len(buttons); ++i)
digitalWrite(ledPins[i], buttons[i].getState());
}