touch_test2.ino
· 766 B · Arduino
Bruto
#include <SPI.h>
#define SCK D5
#define MISO D6
#define CS D8
#define MOSI D7
void setup() {
Serial.begin(115200);
Serial.println("OK");
pinMode(SCK, OUTPUT);
pinMode(CS, OUTPUT);
pinMode(MOSI, OUTPUT);
pinMode(MISO, INPUT);
digitalWrite(CS, HIGH);
SPI.pins(SCK, MISO, MOSI, CS);
SPI.begin();
}
void loop() {
digitalWrite(CS, LOW);
uint8_t data = SPI.transfer(0xFF); // Always transfer full 1 bits
digitalWrite(CS, HIGH);
uint8_t flag = data & 0x80; // Get the 7th bit
data &= 0x7F; // Reset it, so we have only the pure value in data
if (flag) { // Buttons
Serial.print("BUTTONS: ");
Serial.println(data, BIN);
} else { // Slider
Serial.print("SLIDER: ");
Serial.println(data, DEC);
}
delay(100);
}
| 1 | #include <SPI.h> |
| 2 | |
| 3 | #define SCK D5 |
| 4 | #define MISO D6 |
| 5 | #define CS D8 |
| 6 | #define MOSI D7 |
| 7 | |
| 8 | |
| 9 | void setup() { |
| 10 | Serial.begin(115200); |
| 11 | Serial.println("OK"); |
| 12 | |
| 13 | pinMode(SCK, OUTPUT); |
| 14 | pinMode(CS, OUTPUT); |
| 15 | pinMode(MOSI, OUTPUT); |
| 16 | pinMode(MISO, INPUT); |
| 17 | |
| 18 | digitalWrite(CS, HIGH); |
| 19 | |
| 20 | SPI.pins(SCK, MISO, MOSI, CS); |
| 21 | SPI.begin(); |
| 22 | } |
| 23 | |
| 24 | void loop() { |
| 25 | digitalWrite(CS, LOW); |
| 26 | uint8_t data = SPI.transfer(0xFF); // Always transfer full 1 bits |
| 27 | digitalWrite(CS, HIGH); |
| 28 | |
| 29 | uint8_t flag = data & 0x80; // Get the 7th bit |
| 30 | data &= 0x7F; // Reset it, so we have only the pure value in data |
| 31 | |
| 32 | if (flag) { // Buttons |
| 33 | Serial.print("BUTTONS: "); |
| 34 | Serial.println(data, BIN); |
| 35 | } else { // Slider |
| 36 | Serial.print("SLIDER: "); |
| 37 | Serial.println(data, DEC); |
| 38 | } |
| 39 | delay(100); |
| 40 | } |