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| #include "stm32f10x.h"
void Delay(unsigned int count)
{
unsigned int i;
for (; count != 0; count--)
{
i = 5000;
while (i--);
}
}
void SMG_Init(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB | RCC_APB2Periph_GPIOC, ENABLE);
GPIO_InitStructure.GPIO_Pin = 0xffff;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOC, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = 0x0fff;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOB, &GPIO_InitStructure);
}
uint16_t table[] = {0xc0, 0xf9, 0xa4, 0xb0, 0x99, 0x92, 0x82, 0xf8, 0x80, 0x90};
uint16_t wei[] = {0xffe, 0xffd, 0xffb, 0xff7, 0xfef, 0xfdf,0xfbf, 0xf7f, 0xeff, 0xdff, 0xbff, 0x7ff};
uint16_t gw, dw;
uint8_t time[] = {2, 0, 2, 5, 0, 4, 2, 3, 1, 5, 1, 5};
void UpdateDateTime(void);
int IsLeapYear(int year)
{
if ((year % 4 == 0 && year % 100 != 0) || (year % 400 == 0))
return 1;
return 0;
}
int GetMaxDaysInMonth(int year, int month)
{
int days[] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
if (month == 2 && IsLeapYear(year))
return 29;
return days[month - 1];
}
void UpdateDateTime(void)
{
int nian = time[0] * 1000 + time[1] * 100 + time[2] * 10 + time[3];
int yue = time[4] * 10 + time[5];
int ri = time[6] * 10 + time[7];
int shi = time[8] * 10 + time[9];
int fen = time[10] * 10 + time[11];
int maxDays;
fen++;
if (fen >= 60)
{
fen = 0;
shi++;
}
if (shi >= 24)
{
shi = 0;
ri++;
}
maxDays = GetMaxDaysInMonth(nian, yue);
if (ri > maxDays)
{
ri = 1;
yue++;
}
if (yue > 12)
{
yue = 1;
nian++;
}
time[0] = nian / 1000;
time[1] = (nian / 100) % 10;
time[2] = (nian / 10) % 10;
time[3] = nian % 10;
time[4] = yue / 10;
time[5] = yue % 10;
time[6] = ri / 10;
time[7] = ri % 10;
time[8] = shi / 10;
time[9] = shi % 10;
time[10] = fen / 10;
time[11] = fen % 10;
}
int main(void)
{
uint8_t i,s;
SMG_Init();
s=0;
while (1)
{
if(s==100)
{
UpdateDateTime();
s=0;
}
for (i = 0; i < 12; i++)
{
dw = table[time[i]];
if (i < 6)
{
if (i == 3 || i == 5)
{
dw = dw + 0x0080;
}
GPIO_Write(GPIOC, dw);
GPIO_Write(GPIOB, ~wei[i]);
Delay(1);
GPIO_Write(GPIOB, 0x000);
}
else
{
gw = table[time[i]] << 8;
if (i == 7 || i == 9)
{
gw = gw + 0x8000;
}
GPIO_Write(GPIOC, gw);
GPIO_Write(GPIOB, ~wei[i]);
Delay(1);
GPIO_Write(GPIOB, 0x000);
}
}
s++;
}
}
|
