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TM1637-4位数码管显示模块

预览

API

1. 设置亮度

#define tm1637_set_brightness(brightness_level)

亮度分为8个等级:

  • TM1637_BRIGHTNESS_LEVEL_1 (0x88 | 0x00)
  • TM1637_BRIGHTNESS_LEVEL_2 (0x88 | 0x01)
  • TM1637_BRIGHTNESS_LEVEL_3 (0x88 | 0x02)
  • TM1637_BRIGHTNESS_LEVEL_4 (0x88 | 0x03)
  • TM1637_BRIGHTNESS_LEVEL_5 (0x88 | 0x04)
  • TM1637_BRIGHTNESS_LEVEL_6 (0x88 | 0x05)
  • TM1637_BRIGHTNESS_LEVEL_7 (0x88 | 0x06)
  • TM1637_BRIGHTNESS_LEVEL_8 (0x88 | 0x07)

2. 清屏

void tm1637_clear_display();

3. 单独显示一位

void tm1637_display_bit(uint8_t bit, uint8_t code);

bit为位选择,范围0~3,code为段码

4. 一次性显示4位

void tm1637_display(uint8_t* codes);

codes为段码数组