File content as of revision 0:37f6feae4997:

#include "mbed.h"

I2C i2c(dp5, dp27);     //sda scl
DigitalOut NJU6063_rst(dp14);

const int NJU6063_addr = 0x40;

void NJU6063_cmd(char chip, char reg, char* data, int length){
    char data0[10];
    data[0] = chip;
    data[1] = reg;
    memcpy(&data0[2], data, length); 
    i2c.write(NJU6063_addr, data0, length+2);
    }

void NJU6063_set_multi_device(char n){
    char data[3];
    data[0] = 0x00; // Initial chip addres 
    data[1] = 0x0d; // multi device address
    for (char i=1; i<=n; i++){
        data[2] = i;
        i2c.write(NJU6063_addr, data, 3);
    }
}
void NJU6063_dim_start(char chip_addr) {
    char data[3];
    data[0] = chip_addr;
    data[1] = 0x07; // reg addres
    data[2] = 0x01; // start
    i2c.write(NJU6063_addr, data, 3);
    }

void NJU6063_init(char chip_addr, char d) {
    char data[3];
    data[0] = chip_addr;
    data[1] = 0x00;
    data[2] = d;
    i2c.write(NJU6063_addr, data, 3);
    }

void NJU6063_set_iled(char chip_addr, char d1, char d2, char d3) {
    char data[3];
    data[0] = chip_addr;
    data[1] = 0x01;
    data[2] = (0x03&d1) | (0x03&d2)<<2 | (0x03&d3) <<4;
    i2c.write(NJU6063_addr, data, 3);
    }

void NJU6063_set_pwm(char chip_addr, char d1, char d2, char d3, char loop=0x5f, char son=0x00) {
    char data[7];
    data[0] = chip_addr;
    data[1] = 0x02;
    data[2] = d1;
    data[3] = d2;
    data[4] = d3;
    data[5] = loop;
    data[6] = son;
    i2c.write(NJU6063_addr, data, 7);
    }

char NJU6063_chkdim() {
    char ACK;
    char data[3];
    data[0] = 0xff;
    data[1] = 0x0b;
    data[2] = 0x00;
    do {
        ACK = i2c.write(NJU6063_addr, data, 3);
    } while(!ACK);
    return(ACK);
}

void nju6063() {
    char init_array0[] = {
        0xff,   // chip address
        0x00,   // reg address
        0x01,   // init
        0x3f    // LED current
        };
    char set_led_data[] = {
        0xff,   // chip adress
        0x02,   // reg addres
        0x3f,   // led1
        0x3f,   // led2
        0x3f,   // led3
        0x00,   // loop
        0x00    // son
        };
    char dim_start[] = {
        0xff,   // chip addres
        0x07,   // reg addres
        0x01    // strat
        };
    i2c.write(NJU6063_addr, init_array0, sizeof(init_array0));
    i2c.write(NJU6063_addr, set_led_data, sizeof(set_led_data));
    i2c.write(NJU6063_addr, dim_start, sizeof(dim_start));
    }

#define MAXCHIP 5
#define CHIP1 1
#define DIMPATMAX 4
#define MAXPAT 24
#define DIMLOOP 0x5f
#define WAITE   __delay_ms(1000)
const char PAT[DIMPATMAX][MAXPAT][4] = {
    {
    {0xff, 0x00, 0xff, 0x5f},
    {0xbf, 0x00, 0xff, 0x5f},
    {0x7f, 0x00, 0xff, 0x5f},
    {0x3f, 0x00, 0xff, 0x5f},
    {0x00, 0x00, 0xff, 0x5f},
    {0x00, 0x3f, 0xff, 0x5f},
    {0x00, 0x7f, 0xff, 0x5f},
    {0x00, 0xbf, 0xff, 0x5f},
    {0x00, 0xff, 0xff, 0x5f},
    {0x00, 0xff, 0xbf, 0x5f},
    {0x00, 0xff, 0x7f, 0x5f},
    {0x00, 0xff, 0x3f, 0x5f},
    {0x00, 0xff, 0x00, 0x5f},
    {0x3f, 0xff, 0x00, 0x5f},
    {0x7f, 0xff, 0x00, 0x5f},
    {0xbf, 0xff, 0x00, 0x5f},
    {0xff, 0xff, 0x00, 0x5f},
    {0xff, 0xbf, 0x00, 0x5f},
    {0xff, 0x7f, 0x00, 0x5f},
    {0xff, 0x3f, 0x00, 0x5f},
    {0xff, 0x00, 0x00, 0x5f},
    {0xff, 0x00, 0x3f, 0x5f},
    {0xff, 0x00, 0x7f, 0x5f},
    {0xff, 0x00, 0xbf, 0x5f}
    },
    {
    {0xff, 0x00, 0xff, 0x50},
    {0xbf, 0x00, 0xff, 0x50},
    {0x7f, 0x00, 0xff, 0x50},
    {0x3f, 0x00, 0xff, 0x50},
    {0x00, 0x00, 0xff, 0x50},
    {0x00, 0x3f, 0xff, 0x50},
    {0x00, 0x7f, 0xff, 0x50},
    {0x00, 0xbf, 0xff, 0x50},
    {0x00, 0xff, 0xff, 0x50},
    {0x00, 0xff, 0xbf, 0x50},
    {0x00, 0xff, 0x7f, 0x50},
    {0x00, 0xff, 0x3f, 0x50},
    {0x00, 0xff, 0x00, 0x50},
    {0x3f, 0xff, 0x00, 0x50},
    {0x7f, 0xff, 0x00, 0x50},
    {0xbf, 0xff, 0x00, 0x50},
    {0xff, 0xff, 0x00, 0x50},
    {0xff, 0xbf, 0x00, 0x50},
    {0xff, 0x7f, 0x00, 0x50},
    {0xff, 0x3f, 0x00, 0x50},
    {0xff, 0x00, 0x00, 0x50},
    {0xff, 0x00, 0x3f, 0x50},
    {0xff, 0x00, 0x7f, 0x50},
    {0xff, 0x00, 0xbf, 0x50}
    },
    {
    {0xff, 0x00, 0x00, 0x00},
    {0x00, 0xff, 0x00, 0x00},
    {0x00, 0x00, 0xff, 0x00},
    {0xff, 0x00, 0x00, 0x00},
    {0x00, 0xff, 0x00, 0x00},
    {0x00, 0x00, 0xff, 0x00},
    {0xff, 0x00, 0x00, 0x00},
    {0x00, 0xff, 0x00, 0x00},
    {0x00, 0x00, 0xff, 0x00},
    {0xff, 0x00, 0x00, 0x00},
    {0x00, 0xff, 0x00, 0x00},
    {0x00, 0x00, 0xff, 0x00},
    {0xff, 0x00, 0x00, 0x00},
    {0x00, 0xff, 0x00, 0x00},
    {0x00, 0x00, 0xff, 0x00},
    {0xff, 0x00, 0x00, 0x00},
    {0x00, 0xff, 0x00, 0x00},
    {0x00, 0x00, 0xff, 0x00},
    {0xff, 0x00, 0x00, 0x00},
    {0x00, 0xff, 0x00, 0x00},
    {0x00, 0x00, 0xff, 0x00},
    {0xff, 0x00, 0x00, 0x00},
    {0x00, 0xff, 0x00, 0x00},
    {0x00, 0x00, 0xff, 0x00}
    },
    {
    {0xff, 0x00, 0x00, 0x0f},
    {0x00, 0xff, 0x00, 0x0f},
    {0x00, 0x00, 0xff, 0x0f},
    {0xff, 0x00, 0x00, 0x0f},
    {0x00, 0xff, 0x00, 0x0f},
    {0x00, 0x00, 0xff, 0x0f},
    {0xff, 0x00, 0x00, 0x0f},
    {0x00, 0xff, 0x00, 0x0f},
    {0x00, 0x00, 0xff, 0x0f},
    {0xff, 0x00, 0x00, 0x0f},
    {0x00, 0xff, 0x00, 0x0f},
    {0x00, 0x00, 0xff, 0x0f},
    {0xff, 0x00, 0x00, 0x0f},
    {0x00, 0xff, 0x00, 0x0f},
    {0x00, 0x00, 0xff, 0x0f},
    {0xff, 0x00, 0x00, 0x0f},
    {0x00, 0xff, 0x00, 0x0f},
    {0x00, 0x00, 0xff, 0x0f},
    {0xff, 0x00, 0x00, 0x0f},
    {0x00, 0xff, 0x00, 0x0f},
    {0x00, 0x00, 0xff, 0x0f},
    {0xff, 0x00, 0x00, 0x0f},
    {0x00, 0xff, 0x00, 0x0f},
    {0x00, 0x00, 0xff, 0x0f}
    }
};
int i;
char step_color0;

void color0(char no, char loop){
    char n;
    char pat_no;
    pat_no = no % DIMPATMAX;
    NJU6063_chkdim();
    for (n = 0; n < MAXCHIP; n++) {
        step_color0 = i + n;
        if (step_color0 >= MAXPAT) {
            step_color0 = step_color0 - MAXPAT;
        }
        NJU6063_set_pwm(
                CHIP1 + n,
                PAT[pat_no][step_color0][0],
                PAT[pat_no][step_color0][1],
                PAT[pat_no][step_color0][2],
                PAT[pat_no][step_color0][3]
                );
    }
    NJU6063_dim_start(0xff);
    i++;
    if (i >= MAXPAT) {
        i = 0;
    }
}

int main () {
    NJU6063_rst = 0;
    wait(0.01);
    NJU6063_rst = 1;
    NJU6063_set_multi_device(5);
    NJU6063_init(0xff, 0x01);
    NJU6063_set_iled(0xff, 1,1,1);
    NJU6063_set_pwm(0xff, 0x7f,0x7f,0x7f);
    NJU6063_dim_start(0xff);
    //nju6063();
    while(1){
        color0(0, 0x5f);
        /*
        NJU6063_set_iled(0xff, 1,0,0);
        wait(1);
        NJU6063_set_iled(0xff, 0,1,0);
        wait(1);
        NJU6063_set_iled(0xff, 0,0,1);
        wait(1);
        NJU6063_set_iled(0xff, 2,0,0);
        wait(1);
        NJU6063_set_iled(0xff, 0,2,0);
        wait(1);
        NJU6063_set_iled(0xff, 0,0,2);
        wait(1);
        NJU6063_set_iled(0xff, 3,0,0);
        wait(1);
        NJU6063_set_iled(0xff, 0,3,0);
        wait(1);
        NJU6063_set_iled(0xff, 0,0,3);
        wait(1);
        NJU6063_set_iled(0xff, 4,0,0);
        wait(1);
        NJU6063_set_iled(0xff, 0,4,0);
        wait(1);
        NJU6063_set_iled(0xff, 0,0,4);
        wait(1);
        */
        }
    }