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- #include <EEPROM.h> //' A{
- #include <SPI.h>
- #include <GD2.h>
- #define CSX 6 // chip select, active low
- #define DCX 2 // data/command select
- #define SCL 3 // clock, rising edge
- #define SDA 4 // data in to ILI9488
- #define SDO 5 // data out from ILI9488
- void setup()
- {
- Serial.begin(1000000); // JCB
- // GD.begin(0);
- pinMode(CSX, OUTPUT);
- pinMode(DCX, OUTPUT);
- pinMode(SCL, OUTPUT);
- pinMode(SDA, OUTPUT);
- pinMode(SDO, INPUT);
- digitalWrite(CSX, HIGH);
- }
- void loop2()
- {
- GD.ClearColorRGB(0x103000);
- GD.Clear();
- GD.cmd_text(GD.w / 2, GD.h / 2, 31, OPT_CENTER, "Hello world");
- GD.swap();
- }
- void out_8(uint8_t b)
- {
- digitalWrite(CSX, LOW);
- for (int i = 0; i < 8; i++) {
- digitalWrite(SCL, LOW);
- digitalWrite(SDA, (b >> 7) & 1);
- digitalWrite(SCL, HIGH);
- b <<= 1;
- }
- digitalWrite(CSX, HIGH);
- }
- void loop()
- {
- digitalWrite(DCX, LOW);
- out_8(0xda); // RDID1
- Serial.println();
- digitalWrite(DCX, HIGH);
- digitalWrite(CSX, LOW);
- for (int i = 0; i < 8; i++) {
- digitalWrite(SCL, LOW);
- digitalWrite(SCL, HIGH);
- Serial.println(digitalRead(SDO), DEC);
- }
- digitalWrite(CSX, HIGH);
- delay(3000);
- }
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