acid-drop

- Hacking the planet from a LilyGo T-Deck using custom firmware
git clone git://git.acid.vegas/acid-drop.git
demo.ino (1927B)
      1 #define TOUCH_MODULES_GT911
      2 //#define TOUCH_MODULES_CST_SELF
      3 //#define TOUCH_MODULES_CST_MUTUAL
      4 //#define TOUCH_MODULES_ZTW622
      5 //#define TOUCH_MODULES_L58
      6 //#define TOUCH_MODULES_FT3267
      7 //#define TOUCH_MODULES_FT5x06
      8 
      9 #include "Arduino.h"
     10 #include "TouchLib.h"
     11 #include "Wire.h"
     12 
     13 #define PIN_IIC_SCL 48
     14 #define PIN_IIC_SDA 8
     15 #define PIN_TOUCH_INT 1
     16 #define PIN_TOUCH_RES 2
     17 
     18 #define TOUCH_READ_FROM_INTERRNUPT 0
     19 
     20 TouchLib touch(Wire, PIN_IIC_SDA, PIN_IIC_SCL, GT911_SLAVE_ADDRESS2);
     21 
     22 void scan_i2c_device(TwoWire &i2c)
     23 {
     24   Serial.println("Scanning for I2C devices ...");
     25   Serial.print("      ");
     26   for (int i = 0; i < 0x10; i++)
     27   {
     28     Serial.printf("0x%02X|", i);
     29   }
     30   uint8_t error;
     31   for (int j = 0; j < 0x80; j += 0x10)
     32   {
     33     Serial.println();
     34     Serial.printf("0x%02X |", j);
     35     for (int i = 0; i < 0x10; i++)
     36     {
     37       Wire.beginTransmission(i | j);
     38       error = Wire.endTransmission();
     39       if (error == 0)
     40         Serial.printf("0x%02X|", i | j);
     41       else
     42         Serial.print(" -- |");
     43     }
     44   }
     45   Serial.println();
     46 }
     47 
     48 bool get_int = false;
     49 void setup()
     50 {
     51   Serial.begin(115200);
     52   Serial.println("Hello T-Display-S3");
     53   pinMode(PIN_TOUCH_RES, OUTPUT);
     54   digitalWrite(PIN_TOUCH_RES, 0);
     55   delay(200);
     56   digitalWrite(PIN_TOUCH_RES, 1);
     57   delay(200);
     58   Wire.begin(PIN_IIC_SDA, PIN_IIC_SCL);
     59   scan_i2c_device(Wire);
     60 
     61   touch.init();
     62 #if (TOUCH_READ_FROM_INTERRNUPT)
     63   attachInterrupt(
     64       PIN_TOUCH_INT,
     65       []
     66       {
     67         get_int = 1;
     68         Serial.println("get_int");
     69       },
     70       CHANGE);
     71 #endif
     72 }
     73 
     74 void loop()
     75 {
     76   delay(5);
     77 #if (TOUCH_READ_FROM_INTERRNUPT)
     78   if (get_int)
     79   {
     80     get_int = 0;
     81     touch.read();
     82 #else
     83   if (touch.read())
     84   {
     85 #endif
     86     uint8_t n = touch.getPointNum();
     87     Serial.printf("getPointNum: %d  ", n);
     88     for (uint8_t i = 0; i < n; i++)
     89     {
     90       TP_Point t = touch.getPoint(i);
     91       Serial.printf("[%d] point x: %d  point y: %d \r\n", i, t.x, t.y);
     92     }
     93   }
     94 }