时钟指针取点函数

#include 
#include 
#include 

int x=195;
int y=140;    
int data[100][2]; 
int r = 60; 
int step_du = 6;   
#define PI  3.1415926

int main(int argc, char *argv[]) {
    
    int i=0,j=0;
    int du=0;    
    for(i=0,j=0;i<360;i+=step_du,j++)
    {
        data[j][0] = x-r*sin(du*PI/180);
        data[j][1] = y-r*cos(du*PI/180);
        du+=step_du;  
    }
    
    data[60][0] =x;
    data[60][1] = y-r;
    j-=1;
    printf("j = %drn",j);
    for(;j>=0;j--)
    {
        printf("{%d,%d},",data[j][0],data[j][1]);
    }
    return 0;
}

//圆心195，140
//min_r = 60  step=6; hour_r = 45 ，step=30
const uint16_t Min_pointer_addr[][2]={
{195,80},{201,80},{207,81},{213,82},{219,85},{225,88},{230,91},{235,95},{239,99},{243,104},{246,110},{249,115},{252,121},{253,127},{254,133},{254,140},{254,146},{253,152},{252,158},{249,164},{246,170},{243,175},{239,180},{235,184},{230,188},{224,191},{219,194},{213,197},{207,198},{201,199},{194,199},{188,199},{182,198},{176,197},{170,194},{164,191},{159,188},{154,184},{150,180},{146,175},{143,169},{140,164},{137,158},{136,152},{135,146},{135,139},{135,133},{136,127},{137,121},{140,115},{143,109},{146,104},{150,99},{154,95},{159,91},{165,88},{170,85},{176,82},{182,81},{188,80},{195,80},
};
const uint16_t Hour_pointer_addr[][2]={
{195,97},{217,101},{233,117},{239,140},{233,162},{217,178},{194,184},{172,178},{156,162},{150,139},{156,117},{172,101},{195,95},
};


void LCD_Draw_Pointer(uint8_t hour,uint8_t min)
{
    int i=0;
    
        if(hour==0)
        {
            LCD_DrawLine_Color(195,140,Hour_pointer_addr[11][0],Hour_pointer_addr[11][1],BLACK);
            LCD_DrawLine_Color(195,140,Hour_pointer_addr[0][0],Hour_pointer_addr[0][1],WHITE);
        }
        else
        {
            LCD_DrawLine_Color(195,140,Hour_pointer_addr[hour-1][0],Hour_pointer_addr[hour-1][1],BLACK);
            LCD_DrawLine_Color(195,140,Hour_pointer_addr[hour][0],Hour_pointer_addr[hour][1],WHITE);
        }
    

        if(min == 0)
        {
            LCD_DrawLine_Color(195,140,Min_pointer_addr[59][0],Min_pointer_addr[59][1],BLACK);  
            LCD_DrawLine_Color(195,140,Min_pointer_addr[0][0],Min_pointer_addr[0][1],WHITE);
        }
        else
        {
            LCD_DrawLine_Color(195,140,Min_pointer_addr[min-1][0],Min_pointer_addr[min-1][1],BLACK);
            LCD_DrawLine_Color(195,140,Min_pointer_addr[min][0],Min_pointer_addr[min][1],WHITE);
        }
        if((min) == ((hour*5)+1))
        {
            if(hour==0)
            {
                LCD_DrawLine_Color(195,140,Hour_pointer_addr[11][0],Hour_pointer_addr[11][1],BLACK);
                LCD_DrawLine_Color(195,140,Hour_pointer_addr[0][0],Hour_pointer_addr[0][1],WHITE);
            }
            else
            {
                LCD_DrawLine_Color(195,140,Hour_pointer_addr[hour-1][0],Hour_pointer_addr[hour-1][1],BLACK);
                LCD_DrawLine_Color(195,140,Hour_pointer_addr[hour][0],Hour_pointer_addr[hour][1],WHITE);
            }
        }
            
    LCD_Draw_circle(195,140,4,WHITE,1);
}