久久久久久久999_99精品久久精品一区二区爱城_成人欧美一区二区三区在线播放_国产精品日本一区二区不卡视频_国产午夜视频_欧美精品在线观看免费

標題: 能找一下程序哪有問題嗎? [打印本頁]

作者: 時辰月櫻 時間: 2024-7-10 20:33
標題: 能找一下程序哪有問題嗎?
#include <reg51.h>
#include <intrins.h>
#define TM1638_STB P1_2
#define TM1638_DIO P1_0
#define TM1638_CLK P1_1

#define TM1638_CMD_DATA 0x40
#define TM1638_CMD_ADDRESS 0xC0
#define TM1638_CMD_DISPLAY 0x80
#define TM1638_DISPLAY_ON 0x08
#define TM1638_DISPLAY_OFF 0x00

static unsigned char code SEG_PATTERN[] = {
0x3F, 0x06, 0x5B, 0x4F, 0x66, 0x6D, 0x7D, 0x07, 0x7F, 0x6F
};

void TM1638_Init() {
TM1638_STB = 1;
TM1638_SendCommand(TM1638_CMD_DISPLAY | TM1638_DISPLAY_ON);
}

void TM1638_SendByte(unsigned char data) {
unsigned char i;
for (i = 0; i < 8; i++) {
      TM1638_CLK = 0;
      _nop_();
      TM1638_DIO = data & 0x01;
      data >>= 1;
      _nop_();
      TM1638_CLK = 1;
      _nop_();
}
}

void TM1638_SendCommand(unsigned char cmd) {
TM1638_STB = 0;
_nop_();
TM1638_SendByte(cmd);
TM1638_STB = 1;
_nop_();
}

void TM1638_DisplayDigit(unsigned char digit, unsigned char num) {
TM1638_SendCommand(TM1638_CMD_ADDRESS | (digit << 1));
TM1638_STB = 0;
_nop_();
TM1638_SendByte(TM1638_CMD_DATA);
TM1638_SendByte(SEG_PATTERN[num % 10]);
TM1638_STB = 1;
}

void Delay50ms() {
unsigned char i, j;
for (i = 0; i < 90; i++) {
      for (j = 0; j < 163; j++);
}
}

void main() {
unsigned int count = 0;
unsigned char btn_status = 0;
TM1638_Init();

while (1) {
      TM1638_DisplayDigit(0, count % 10);
      TM1638_DisplayDigit(1, (count / 10) % 10);
      TM1638_DisplayDigit(2, (count / 100) % 10);
      TM1638_DisplayDigit(3, (count / 1000) % 10);

      btn_status = TM1638_ReadButtons();

      if (btn_status & 0x01) {
         Delay50ms();
         while (btn_status & 0x01);
         Delay50ms();
         count++;
      }

      if (btn_status & 0x02) {
         Delay50ms();
         while (btn_status & 0x02);
         Delay50ms();
         count--;
      }

      Delay50ms();
}
}

unsigned char TM1638_ReadButtons() {
unsigned char i, btns = 0;
TM1638_SendCommand(TM1638_CMD_ADDRESS | 0x02);

TM1638_STB = 0;
_nop_();
TM1638_SendByte(0x42);
_nop_();
for (i = 0; i < 4; i++) {
      btns |= TM1638_DIO << i;
      TM1638_CLK = 0;
      _nop_();
      TM1638_CLK = 1;
      _nop_();
}
TM1638_STB = 1;
return btns;
}

作者: lkc8210 時間: 2024-7-10 21:04
P1_2/P1_0/P1_1沒有定義

作者: xiaobendan001 時間: 2024-7-11 07:15
編譯時顯示什么內容？不過那三個IO是不是應該用sbit，而不是define

歡迎光臨 (http://m.zg4o1577.cn/bbs/)