I am attempting to Charlieplex 4 RBGs but so far I'm not having any luck. Here is the code I have attempted to edit and the schematic (attached) on how I've wired them up. Any help is GREATLY appreciated!
#define CHARLIE_PINS 4
#define CHARLIE_FIRST 8
// Setup the memory
#define CHARLIE_COUNT CHARLIE_PINS*(CHARLIE_PINS-1)
// Charlie Level (0 = off, 255 = max)
#define CHARLIE_LOW 0
#define CHARLIE_HIGH 255
#define CHARLIE_OFF 0
#define CHARLIE_MAX 255
// Charlie Levels for anode/cathode pin-pairs
uint8_t charliePins[CHARLIE_PINS][CHARLIE_PINS];
#define CHARLIE_GREEN 0
#define CHARLIE_BLUE 1
#define CHARLIE_RED 2
//int charlieRGB[CHARLIE_PINS][3] = {{1, 2, 3}, {2, 3, 0}, {3, 0, 1}, {0, 1, 2}};
int charlieRGB[CHARLIE_PINS][3] = {{0, 1, 2}, {3, 0, 1}, {2, 3, 0}, {1, 2, 3}};
void charlieClear() {
for(int i = 0; i < CHARLIE_PINS; i++) {
for(int j = 0; j < CHARLIE_PINS; j++) {
charliePins[i][j] = CHARLIE_OFF;
}
}
}
void charlieSetAll() {
for(int i = 0; i < CHARLIE_PINS; i++) {
for(int j = 0; j < CHARLIE_PINS; j++) {
charliePins[i][j] = CHARLIE_MAX;
}
}
}
void charlieSetAllLevel(uint8_t level) {
for(int i = 0; i < CHARLIE_PINS; i++) {
for(int j = 0; j < CHARLIE_PINS; j++) {
charliePins[i][j] = level;
}
}
}
void charlieWrite(int src, int dst, uint8_t level) {
charliePins[src%CHARLIE_PINS][dst%CHARLIE_PINS] = level;
}
// current line displayed
int charlie_line = CHARLIE_PINS-1;
void charliePlexLine(uint8_t level) {
// Disable last line displayed
pinMode(CHARLIE_FIRST+charlie_line, INPUT);
if(++charlie_line >= CHARLIE_PINS) charlie_line = 0;
int i = charlie_line;
int MasterPin = CHARLIE_FIRST+i;
// Use others as follow pins (HIGH or INPUT)
for(int j = 0; j < CHARLIE_PINS; j++) {
int SlavePin = CHARLIE_FIRST+j;
if(MasterPin != SlavePin) {
if(charliePins[i][j] > level) {
pinMode(SlavePin, OUTPUT);
digitalWrite(SlavePin, LOW);
} else {
pinMode(SlavePin, INPUT);
}
}
}
pinMode(MasterPin, OUTPUT);
digitalWrite(MasterPin, HIGH);
}
void charliePlex() {
// Set one leadpin (LOW)
for(int i = 0; i < CHARLIE_PINS; i++) {
for(int j = 0; j < CHARLIE_MAX; j++) {
charliePlexLine(j);
delayMicroseconds(10);
}
}
}
// the setup routine runs once when you press reset:
void setup() {
}
void loop() {
//Sample 1: First LED(0,1) "On"
//
charlieClear();
//charlieWrite(4,1,CHARLIE_MAX);
charlieWrite(2, charlieRGB[3][CHARLIE_GREEN],CHARLIE_MAX);
charliePlex();
/*
// Sample 2: Dimm White
for(int i = 0; i < 8; i++) {
charlieSetAllLevel(1<<i);
charliePlex();
}
for(int i = 7; i > -1; i--) {
CHARLIE_PINS(1<<i);
charliePlex();
}
//*/
/*
// Sample 3: Alternate the COLORS
charlieClear();
for(int i = 0; i < CHARLIE_PINS; i++) {
charlieWrite(i, charlieRGB[i][CHARLIE_RED], CHARLIE_MAX);
delay(500);
}
charliePlex();
charlieClear();
for(int i = 0; i < CHARLIE_PINS; i++) {
charlieWrite(i, charlieRGB[i][CHARLIE_GREEN], CHARLIE_MAX);
delay(500);
}
charliePlex();
charlieClear();
for(int i = 0; i < CHARLIE_PINS; i++) {
charlieWrite(i, charlieRGB[i][CHARLIE_BLUE], CHARLIE_MAX);
delay(500);
}
charliePlex();
//*/
}
