therm-led/led.h

#define RS (_BV(1))
#define CE (_BV(4))
#define CLK (_BV(2))
#define DIN (_BV(0))

#define LEDPORT PORTB
#define LEDDDR DDRB

#define LED_CON0 0x4b //7f
#define LED_CON1 0x80

#define display() LEDPORT &= ~CLK

void send_config(unsigned char c);
void putchar(unsigned char c);
//void display(void);
void disp_init(void);
//void puttext(const char *text);