Skip to content
Permalink
Branch: master
Find file Copy path
Find file Copy path
Fetching contributors…
Cannot retrieve contributors at this time
127 lines (122 sloc) 4.82 KB
#include <MCUFRIEND_kbv.h>
MCUFRIEND_kbv tft;
// Assign human-readable names to some common 16-bit color values:
#define BLACK 0x0000
#define BLUE 0x001F
#define RED 0xF800
#define GREEN 0x07E0
#define CYAN 0x07FF
#define MAGENTA 0xF81F
#define YELLOW 0xFFE0
#define WHITE 0xFFFF
#define GRAY 0x8410
uint16_t version = MCUFRIEND_KBV_H_;
void setup()
{
Serial.begin(9600);
if (!Serial) delay(5000); //allow some time for Leonardo
uint16_t ID = tft.readID(); //
Serial.println(F("Diagnose whether this controller is supported"));
Serial.println(F("There are FAQs in extras/mcufriend_how_to.txt"));
Serial.println(F(""));
Serial.print(F("tft.readID() finds: ID = 0x"));
Serial.println(ID, HEX);
Serial.println(F(""));
Serial.print(F("MCUFRIEND_kbv version: "));
Serial.print(version/100);
Serial.print(F("."));
Serial.print((version / 10) % 10);
Serial.print(F("."));
Serial.println(version % 10);
Serial.println(F(""));
if (ID == 0x0404) {
Serial.println(F("Probably a write-only Mega2560 Shield"));
Serial.println(F("#define USE_SPECIAL in mcufriend_shield.h"));
Serial.println(F("#define appropriate SPECIAL in mcufriend_special.h"));
Serial.println(F("e.g. USE_MEGA_16BIT_SHIELD"));
Serial.println(F("e.g. USE_MEGA_8BIT_SHIELD"));
Serial.println(F("Hint. A Mega2560 Shield has a 18x2 male header"));
Serial.println(F("Often a row of resistor-packs near the 18x2"));
Serial.println(F("RP1-RP7 implies 16-bit but it might be 8-bit"));
Serial.println(F("RP1-RP4 or RP1-RP5 can only be 8-bit"));
}
if (ID == 0xD3D3) {
uint16_t guess_ID = 0x9481; // write-only shield
Serial.println(F("Probably a write-only Mega2560 Shield"));
Serial.print(F("Try to force ID = 0x"));
Serial.println(guess_ID, HEX);
tft.begin(guess_ID);
}
else tft.begin(ID);
Serial.println(F(""));
if (tft.width() == 0) {
Serial.println(F("This ID is not supported"));
Serial.println(F("look up ID in extras/mcufriend_how_to.txt"));
Serial.println(F("you may need to edit MCUFRIEND_kbv.cpp"));
Serial.println(F("to enable support for this ID"));
Serial.println(F("e.g. #define SUPPORT_8347D"));
Serial.println(F(""));
Serial.println(F("New controllers appear on Ebay often"));
Serial.println(F("If your ID is not supported"));
Serial.println(F("run LCD_ID_readreg.ino from examples/"));
Serial.println(F("Copy-Paste the output from the Serial Terminal"));
Serial.println(F("to a message in Displays topic on Arduino Forum"));
Serial.println(F("or to Issues on GitHub"));
Serial.println(F(""));
Serial.println(F("Note that OPEN-SMART boards have diff pinout"));
Serial.println(F("Edit the pin defines in LCD_ID_readreg to match"));
Serial.println(F("Edit mcufiend_shield.h for USE_SPECIAL"));
Serial.println(F("Edit mcufiend_special.h for USE_OPENSMART_SHIELD_PINOUT"));
while (1); //just die
} else {
Serial.print(F("PORTRAIT is "));
Serial.print(tft.width());
Serial.print(F(" x "));
Serial.println(tft.height());
Serial.println(F(""));
Serial.println(F("Run the examples/graphictest_kbv sketch"));
Serial.println(F("All colours, text, directions, rotations, scrolls"));
Serial.println(F("should work. If there is a problem, make notes on paper"));
Serial.println(F("Post accurate description of problem to Forum"));
Serial.println(F("Or post a link to a video (or photos)"));
Serial.println(F(""));
Serial.println(F("I rely on good information from remote users"));
}
}
void loop()
{
static uint8_t aspect = 0;
const char *aspectname[] = {
"PORTRAIT", "LANDSCAPE", "PORTRAIT_REV", "LANDSCAPE_REV"
};
const char *colorname[] = { "BLUE", "GREEN", "RED", "GRAY" };
uint16_t colormask[] = { BLUE, GREEN, RED, GRAY };
uint16_t ID = tft.readID(); //
tft.setRotation(aspect);
int width = tft.width();
int height = tft.height();
tft.fillScreen(colormask[aspect]);
tft.drawRect(0, 0, width, height, WHITE);
tft.drawRect(32, 32, width - 64, height - 64, WHITE);
tft.setTextSize(2);
tft.setTextColor(BLACK);
tft.setCursor(40, 40);
tft.print("ID=0x");
tft.print(ID, HEX);
if (ID == 0xD3D3) tft.print(" w/o");
tft.setCursor(40, 70);
tft.print(aspectname[aspect]);
tft.setCursor(40, 100);
tft.print(width);
tft.print(" x ");
tft.print(height);
tft.setTextColor(WHITE);
tft.setCursor(40, 130);
tft.print(colorname[aspect]);
tft.setCursor(40, 160);
tft.setTextSize(1);
tft.print("MCUFRIEND_KBV_H_ = ");
tft.print(version);
if (++aspect > 3) aspect = 0;
delay(5000);
}
You can’t perform that action at this time.