//******************************************************************************************
//   Project      :  STM8S105C6T6 Sample Program
//   Program Name :
//   Programer    :
//   Create date  :  Version 1.0    H24.09.30
//   History      :
//   Laungage     :  STM8Cosmic C Launguage 
//******************************************************************************************
//   Description
//
//******************************************************************************************
//#include "iostm8.h"

volatile char PB_ODR       @0x5005;	/* Port B output data register    */
volatile char PB_IDR       @0x5006;	/* Port B pin input register      */
volatile char PB_DDR       @0x5007;	/* Port B data direction register */
volatile char PB_CR1       @0x5008;	/* Port B control register 1      */
volatile char PB_CR2       @0x5009;	/* Port B control register 2      */

volatile char PD_ODR       @0x500f;	/* Port D output data register    */
volatile char PD_IDR       @0x5010;	/* Port D pin input register      */
volatile char PD_DDR       @0x5011;	/* Port D data direction register */
volatile char PD_CR1       @0x5012;	/* Port D control register 1      */
volatile char PD_CR2       @0x5013;	/* Port D control register 2      */

void wat(void);

int main(void) {

    unsigned char LEDlst=0;
    unsigned int lp;

// ********************
//  1.Initialized
// ********************
//  (1)Define I/O PORT 
    PB_DDR = 0b11111111;  //Direction
    PB_CR1 = 0b11111111;  //0:Open drain, 1:Push-pull 
    PB_CR2 = 0b11111111;  //0:Output speed up to 2 MHz, 1: Output speed up to 10 MHz

// ********************
//  2.Main
// ********************
    LEDlst = 1;
    while(1){
        if(LEDlst == 1){
            LEDlst = 2;
        }else if(LEDlst > 127){
            LEDlst = 1;
        }else{
            LEDlst = LEDlst * 2;
        }
        PB_ODR = LEDlst;
        wat();
    }
}

//******************************************************************************************
//   Function Name : wat
//   Title         : wait function
//   Input         :
//   Output        :
//   Description   : 
//******************************************************************************************
void wat(void)
{
unsigned int lp,lp1;
    for(lp=0;lp<100;lp++)
        for(lp1=0;lp1<1000;lp1++){};
}