|
這個應該是一個4位數碼管驅動芯片 TM1637
040_7_seg_led_fig_01_96dpi.png (318 KB, 下載次數: 52)
下載附件
2019-8-24 22:15 上傳
- #include <Arduino.h>
- #include <TM1637Display.h>
- // Module connection pins (Digital Pins)
- #define CLK 2
- #define DIO 3
- // The amount of time (in milliseconds) between tests
- #define TEST_DELAY 2000
- const uint8_t SEG_DONE[] = {
- SEG_B | SEG_C | SEG_D | SEG_E | SEG_G, // d
- SEG_A | SEG_B | SEG_C | SEG_D | SEG_E | SEG_F, // O
- SEG_C | SEG_E | SEG_G, // n
- SEG_A | SEG_D | SEG_E | SEG_F | SEG_G // E
- };
- TM1637Display display(CLK, DIO);
- void setup()
- {
- }
- void loop()
- {
- int k;
- uint8_t data[] = { 0xff, 0xff, 0xff, 0xff };
- uint8_t blank[] = { 0x00, 0x00, 0x00, 0x00 };
- display.setBrightness(0x0f);
- // All segments on
- display.setSegments(data);
- delay(TEST_DELAY);
- // Selectively set different digits
- data[0] = display.encodeDigit(0);
- data[1] = display.encodeDigit(1);
- data[2] = display.encodeDigit(2);
- data[3] = display.encodeDigit(3);
- display.setSegments(data);
- delay(TEST_DELAY);
- /*
- for(k = 3; k >= 0; k--) {
- display.setSegments(data, 1, k);
- delay(TEST_DELAY);
- }
- */
- display.clear();
- display.setSegments(data+2, 2, 2);
- delay(TEST_DELAY);
- display.clear();
- display.setSegments(data+2, 2, 1);
- delay(TEST_DELAY);
- display.clear();
- display.setSegments(data+1, 3, 1);
- delay(TEST_DELAY);
- // Show decimal numbers with/without leading zeros
- display.showNumberDec(0, false); // Expect: ___0
- delay(TEST_DELAY);
- display.showNumberDec(0, true); // Expect: 0000
- delay(TEST_DELAY);
- display.showNumberDec(1, false); // Expect: ___1
- delay(TEST_DELAY);
- display.showNumberDec(1, true); // Expect: 0001
- delay(TEST_DELAY);
- display.showNumberDec(301, false); // Expect: _301
- delay(TEST_DELAY);
- display.showNumberDec(301, true); // Expect: 0301
- delay(TEST_DELAY);
- display.clear();
- display.showNumberDec(14, false, 2, 1); // Expect: _14_
- delay(TEST_DELAY);
- display.clear();
- display.showNumberDec(4, true, 2, 2); // Expect: __04
- delay(TEST_DELAY);
- display.showNumberDec(-1, false); // Expect: __-1
- delay(TEST_DELAY);
- display.showNumberDec(-12); // Expect: _-12
- delay(TEST_DELAY);
- display.showNumberDec(-999); // Expect: -999
- delay(TEST_DELAY);
- display.clear();
- display.showNumberDec(-5, false, 3, 0); // Expect: _-5_
- delay(TEST_DELAY);
- display.showNumberHexEx(0xf1af); // Expect: f1Af
- delay(TEST_DELAY);
- display.showNumberHexEx(0x2c); // Expect: __2C
- delay(TEST_DELAY);
- display.showNumberHexEx(0xd1, 0, true); // Expect: 00d1
- delay(TEST_DELAY);
- display.clear();
- display.showNumberHexEx(0xd1, 0, true, 2); // Expect: d1__
- delay(TEST_DELAY);
-
- // Run through all the dots
- for(k=0; k <= 4; k++) {
- display.showNumberDecEx(0, (0x80 >> k), true);
- delay(TEST_DELAY);
- }
- // Brightness Test
- for(k = 0; k < 4; k++)
- data[k] = 0xff;
- for(k = 0; k < 7; k++) {
- display.setBrightness(k);
- display.setSegments(data);
- delay(TEST_DELAY);
- }
-
- // On/Off test
- for(k = 0; k < 4; k++) {
- display.setBrightness(7, false); // Turn off
- display.setSegments(data);
- delay(TEST_DELAY);
- display.setBrightness(7, true); // Turn on
- display.setSegments(data);
- delay(TEST_DELAY);
- }
-
- // Done!
- display.setSegments(SEG_DONE);
- while(1);
- }
復制代碼 https://github.com/avishorp/TM1637
|
|