main.c

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/**
  ******************************************************************************
  * @file project\main.c
  * @brief This file contains the firmware main function.
  * @author STMicroelectronics - MCD Application Team
  * @version V1.1.0
  * @date 02/27/2009
  ******************************************************************************
  *
  * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
  * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
  * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
  * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
  * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
  * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
  *
  * <h2><center>&copy; COPYRIGHT 2009 STMicroelectronics</center></h2>
  * @image html logo.bmp
  ******************************************************************************
  */


/* Includes ------------------------------------------------------------------*/
#include "stm8s.h"
#include "stm8s207r.h"
#include "lcd_19264.h"
#include "key.h"

/* Private defines -----------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/
/* -------------------------------------------------------------------------- */
/* ROUTINE NAME: CLK_Init                                                     */
/* INPUT/OUTPUT: None.                                                        */
/* DESCRIPTION:  Initialize the clock source                                  */
/*               1) Configure fmaster prescaler.                              */
/*               2) Switch HSI to HSE.                                        */
/*               3) Enable CSS.                                               */
/* -------------------------------------------------------------------------- */

/* -------------------------------------------------------------------------- */
/* ROUTINE NAME: CLK_Init                                                     */
/* INPUT/OUTPUT: None.                                                        */
/* DESCRIPTION:  Initialize the clock source                                  */
/* -------------------------------------------------------------------------- */
void CLK_Init(void)
{
    /* Configure HSI prescaler*/
    CLK_CKDIVR &= ~0x10;          /* 01: fHSI= fHSI RC output/2. */

    /* Configure CPU clock prescaler */
   // CLK_CKDIVR |= 0x01;           /* 001: fCPU=fMASTER/2. */
    CLK_CKDIVR = 0;
}

void LCD_Clear(void);

volatile u8 flag_2ms_ok, flag_10ms_ok;

void main(void)
{
    u8 j = 0, i;  
    u8 keycode;
    int timer5s_counter = 0;
    
    CLK_Init();
    TIM4_DeInit();
    
    /* Time base configuration */ 
    TIM4_TimeBaseInit(TIM4_PRESCALER_128, 250);
    TIM4_ITConfig(TIM4_IT_UPDATE, ENABLE);
    
    GPIO_Init( GPIOD, GPIO_PIN_3, GPIO_MODE_OUT_PP_LOW_FAST);
    
    LCD_Init();
    enableInterrupts();

    TIM4_Cmd(ENABLE);
    
    LCD_Clear();
    for(i = 0; i < 64; i+=16)
        LCD_BufferDrawXDotLine(0, i, 128, LCD_SET);
    for(i = 0; i <129; i+=16)
        LCD_BufferDrawYDotLine(i, 0, 63, LCD_SET);
    
    //LCD_BufferDrawLine(0, 0, 128, 63, LCD_SET); // 0 < k < 1
    //LCD_BufferDrawLine(128, 0, 0, 50, LCD_SET); // -1 < k < 0
    //LCD_BufferDrawLine(0, 0, 27, 63, LCD_SET);  // k > 1
    //LCD_BufferDrawLine(31, 0, 0, 63, LCD_SET);  // k < -1
    //LCD_BufferDrawLine(120, 40, 20, 0, LCD_SET);
    
    LCD_BufferDrawLine(0, 0, 31, 63, LCD_SET);
    LCD_BufferDrawLine(31, 63, 63, 0, LCD_SET);
    LCD_BufferDrawLine(63, 0, 94, 63, LCD_SET);
    LCD_BufferDrawLine(94, 63, 125, 0, LCD_SET);
    
    LCD_PutString5x8(22, 0, "STM8 DSO");
    LCD_PutString5x8(22, 1, "By ifree");
    LCD_PutString5x8(22, 2, "1000Hz");
    LCD_PutString5x8(22, 3, "5Vpp");
    LCD_BufferToLCD();
    /* Infinite loop */
    while (1)
    {
        if(flag_10ms_ok)
        {
            flag_10ms_ok = 0;
            keycode = KEY_Scan();
            if(GET_KCODE(keycode))
            {
                switch(GET_KTYPE(keycode))
                {
                    case KTYPE_NORMAL:
                        LCD_PutString5x8(22, 4, "NORMAL");
                        break;
                    case KTYPE_LONG:
                        LCD_PutString5x8(22, 4, "LONG  ");
                        break;
                    case KTYPE_LIANFA:
                        LCD_PutString5x8(22, 4, "LIANFA");
                        break;
                }
            }
            if(++timer5s_counter >= 500)
            {
                timer5s_counter = 0;
                LCD_PutString5x8(22, 4, "      ");
            }
        }
        LCD_BufferToLCD();
    }
  
}

/**
  * @brief Reports the name of the source file and the source line number where
  * the assert error has occurred.
  * User can add his own implementation to report the file name and line number.
  * ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line)
  * @retval void None
  * @par Required preconditions:
  * None
  * @par Called functions:
  * None
  */
#ifdef FULL_ASSERT
void assert_failed(u8 *file, u16 line)
#else
void assert_failed(void)
#endif
{
  /* Add your own code to manage an assert error */
  /* Infinite loop */
  while (1)
  {
  }
}

/******************* (C) COPYRIGHT 2009 STMicroelectronics *****END OF FILE****/