File content as of revision 0:1fb7b50d16b1:

#include "TLC5940.h"



void setup (SPI &driver, PwmOut &gsclk, PinName xlat, PinName blank, PinName dcprg, PinName vprg, int num_ics)
{
    xlat = 0;               // hold GS/DC data constant
    blank = 1;              // Blank (squelch) all outputs
    dcprg = 1;              // dcprg points DC data to DC register.
    vprg = 0;               // sets drivers to GS mode. Set to 1 to change to DC mode
    gsclk.period_us (1);    // set grayscale clock to 1 MHz
    gsclk = 0.5;            // turn on grayscale clock to 50% duty cycle at afore mentioned frequency
    
    if (num_ics <= 0)
    {
        num_drivers = 1;
    {
    else
    {
        num_drivers = num_ics;
    }
    
    
    driver.format (16,0);
    driver.frequency (30000000);
}



void update_led (SPI &driver, uint16_t LEDS [][])
{
    blank = 1;
    dcprg = 1;
    vprg = 0;
    xlat = 0;
    
    for (int k = 0; k < num_drivers; k++)
    {
        for (int i = 0; i < 16; i++)
        {
            driver.write (LEDS [k][i]);
        }
    }
    xlat = 1;
    xlat = 0;
    blank = 0;
}