ui_led.h

/*
  ui_led.h
  
  Nicolas Williamson - July 2009
*/

#ifndef __UI_LED_H__
#define __UI_LED_H__

//Only for use in RGB
#define UI_LED_RED 100,0,0
#define UI_LED_ORANGE 100,50,0
#define UI_LED_YELLOW 50,100,0
#define UI_LED_GREEN 0,100,0
#define UI_LED_BLUE 0,0,100
#define UI_LED_PURPLE 75,0,75
#define UI_LED_WHITE 200,200,200
#define UI_LED_OFF 0,0,0

//Functions
void ui_led_init(void);
void ui_led_register_write(unsigned int device, unsigned int address, unsigned int w_data);
void ui_led_pwm(unsigned int led_num, unsigned int color, unsigned int pwm);
void ui_led_rgb(unsigned int led_num, unsigned int red_level, unsigned int green_level, unsigned int blue_level);


/* HARDWARE SETUP

  // *******************************************************************************
  // Initialize SSP/SPI1 for LED Control
  // *******************************************************************************
  PCONP &= ~(1<<10);    // power setting: disable SPI1  (bit 10)
  PCONP |= (1<<21);   // power setting: enable SSP (bit 21!!!!!!!!!!!!!!!!!!!!!!)
  SSPCR1 = 0;       // Disable SSP to allow setting changes
  SSPCR0 = 0;
  SSPCR0 |= (15<<0);    // data size: 16 bits (bits 0-3 = 15 means 16bit data)
  SSPCR0 &= ~(3<<4);    // SPI mode (bits 4-5 = 0)
  SSPCR0 &= ~(1<<6);    //sclk low when idle - Motorola format
  SSPCR0 &= ~(1<<7);    //sample on the first edge (rising edge)
//  SSPCPSR &= ~(3<<0);   //clear prescale divider
  SSPCPSR |= 2;   // prescale divider
  SSPCR0 |= (1<<8);   // bit frequency = PCLK/(CPSDVSR*(SCR+1)) = 15 Mbits/sec
  PINSEL1 &= ~0x3FC;    // clear P0.17~P0.20;
  PINSEL1 |= (2<<2)|(2<<4)|(2<<6);    // P0.17: SCK1, P0.18: MISO1, P0.19: MOSI1, P0.20: Manual SSEL 
//  PINSEL1 |= (2<<2)|(2<<4)|(2<<6)|(2<<8); // P0.17: SCK1, P0.18: MISO1, P0.19: MOSI1, P0.20: auto SSEL
  FIO0DIR |= (1<<20);   //SSEL is output
  FIO0SET = (1<<20);    //SSEL high
  SSPCR1 |= (1<<1);   // enable SSP/SPI1   
  
*/


#endif /* __UI_LED_H__ */