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Код товара: RDKT0149
16-ти кнопочная клавиатура с 8-ю разрядным 7-ми сегментным индикатором
Бренд: DIY
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Библиотеку смотрите здесь: https://github.com/Leonardoventurin/tm1638-library
Тестовый пример
Взято отсюда: http://blog.honeyjam.info/?p=130
/*
Example for TM1638 with an 8 digit common anode display.
The module also contains 16 buttons
The button value is returned in an unsigned integer with each bit representing a button
The keys are in a 4x4 grid (returned value):
2 8 32 128
512 2048 8192 32768
1 4 16 64
256 1024 4096 16384
*/
#include
//
#define PIN_STROBE 7
#define PIN_DATA 8
#define PIN_CLOCK 9
// TM1638
TM1638 module(PIN_DATA, PIN_CLOCK, PIN_STROBE);
// declare variables / constants
const byte segmentEncode[10] =
{
63, 6, 91, 79, 102, 109, 125, 7, 127, 111
}; // for digits from 0 to 9
void setup() {
// set up serial monitor
Serial.begin(9600);
}
/**
* QYF-TM1638
*
*/
void outputDisplay(byte dDigits[8], byte dDecimal, bool fillByZero) {
byte values[8];
byte vout[8];
// set values array to the segments required for each displayed digit into values array, only for decimal 0-9 (could extend for HEX)
for (int i=0; i < 8; i++)
{
values[i] = segmentEncode[dDigits[i]];
}
// fill output array - need to pack for common anode display - brute force method, this is for 8 digits
// digit order on display from left to right is 4,3,2,1,8,7,6,5
vout[0] = ((values[3] & 1 ) ) ((values[2] & 1 ) << 1) ((values[1] & 1) << 2) ((values[0] & 1) << 3) ((values[7] & 1) << 4) ((values[6] & 1 ) << 5) ((values[5] & 1 ) << 6) ((values[4] & 1 ) << 7);
vout[1] = ((values[3] & 2 ) >> 1) ((values[2] & 2 ) ) ((values[1] & 2) << 1) ((values[0] & 2) << 2) ((values[7] & 2) << 3) ((values[6] & 2 ) << 4) ((values[5] & 2 ) << 5) ((values[4] & 2 ) << 6);
vout[2] = ((values[3] & 4 ) >> 2) ((values[2] & 4 ) >> 1) ((values[1] & 4) ) ((values[0] & 4) << 1) ((values[7] & 4) << 2) ((values[6] & 4 ) << 3) ((values[5] & 4 ) << 4) ((values[4] & 4 ) << 5);
vout[3] = ((values[3] & 8 ) >> 3) ((values[2] & 8 ) >> 2) ((values[1] & 8) >> 1) ((values[0] & 8) ) ((values[7] & 8) << 1) ((values[6] & 8 ) << 2) ((values[5] & 8 ) << 3) ((values[4] & 8 ) << 4);
vout[4] = ((values[3] & 16) >> 4) ((values[2] & 16) >> 3) ((values[1] & 16) >> 2) ((values[0] & 16) >> 1) ((values[7] & 16) ) ((values[6] & 16) << 1) ((values[5] & 16) << 2) ((values[4] & 16) << 3);
vout[5] = ((values[3] & 32) >> 5) ((values[2] & 32) >> 4) ((values[1] & 32) >> 3) ((values[0] & 32) >> 2) ((values[7] & 32) >> 1) ((values[6] & 32) ) ((values[5] & 32) << 1) ((values[4] & 32) << 2);
vout[6] = ((values[3] & 64) >> 6) ((values[2] & 64) >> 5) ((values[1] & 64) >> 4) ((values[0] & 64) >> 3) ((values[7] & 64) >> 2) ((values[6] & 64) >> 1) ((values[5] & 64) ) ((values[4] & 64) << 1);
// To display a decimal point to the right of a digit set the value of vout[7] to
// 8, 4, 2, 1, 128, 64, 32, 16 (for digits from left to right), can set more than 1 decimal by adding the numbers
vout[7] = dDecimal;
module.setDisplay(vout); // send to display module
} // end outputDisplay
/**
*
* @param [in] unsigned long
* @param [in] bool 0
*/
void displayInt(unsigned long number, bool fillByZero)
{
//
byte displayDigits[8] = {0};
for(int i = 0; i < 8; i++)
{
displayDigits[7 - i] = number % 10;
number = number / 10;
if( 0 == number )
{
break;
}
}
outputDisplay(displayDigits,0, fillByZero);
}
//
void loop() {
displayInt(12345678,false);
delay(200); // delay .2 seconds then loop
}
QYF-TM1638
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КВЛЕ0149:832
