maybe you accept this sketch in your MCUFRIEND_kbv
/*
* generate testcard similar to BMP
* 15/06/2017 some change for 0x9342 and optimise accuracy of the clock
*/
#include <Adafruit_GFX.h>
#if defined(_GFXFONT_H_) //are we using the new library?
#include <Fonts/FreeSans9pt7b.h>
#define ADJ_BASELINE 11 //new fonts setCursor to bottom of letter
#else
#define ADJ_BASELINE 0 //legacy setCursor to top of letter
#endif
#include <MCUFRIEND_kbv.h>
MCUFRIEND_kbv tft;
#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 RGB(r, g, b) (((r&0xF8)<<8)|((g&0xFC)<<3)|(b>>3))
#define GREY RGB(127, 127, 127)
#define DARKGREY RGB(64, 64, 64)
#define TURQUOISE RGB(0, 128, 128)
#define PINK RGB(255, 128, 192)
#define OLIVE RGB(128, 128, 0)
#define PURPLE RGB(128, 0, 128)
#define AZURE RGB(0, 128, 255)
#define ORANGE RGB(255,128,64)
#include <stdio.h>
uint16_t ID;
uint8_t hh, mm, ss; //containers for current time
uint8_t conv2d(const char* p)
{
uint8_t v = 0;
if ('0' <= *p && *p <= '9') v = *p - '0';
return 10 * v + *++p - '0';
}
void setup(void)
{
Serial.begin(9600);
tft.reset();
ID = tft.readID();
Serial.print("TFT ID = 0x");
Serial.println(ID, HEX);
// if (ID == 0xD3D3) ID = 0x9481; // write-only shield
if (ID == 0xD3D3) ID = 0x9486; // write-only shield
tft.begin(ID);
if (ID == 0x9342)
{ tft.setRotation(0);
}
else
{ tft.setRotation(1);
}
tft.fillScreen(BLACK);
#if defined(_GFXFONT_H_)
tft.setFont(&FreeSans9pt7b);
#endif
hh = conv2d(__TIME__);
mm = conv2d(__TIME__ + 3);
ss = conv2d(__TIME__ + 6);
screendraw();
}
void screendraw(void)
{
int16_t x, y, dx, dy, radius = 108, idx;
uint16_t w, h, len, mask;
uint16_t colors[8] = { BLACK, WHITE, YELLOW, CYAN, GREEN, MAGENTA, RED, BLUE };
uint16_t height, width;
width = tft.width();
height = tft.height();
tft.fillRect(0, 0, 7, 3, WHITE);
tft.fillRect(313, 0, 7, 3, WHITE);
tft.fillRect(0, 237, 7, 3, WHITE);
tft.fillRect(313, 237, 7, 3, WHITE);
for (y = 0, w = 18, h = 3; y < 240; y += 13 * w + h) {
for (x = 25; x < 320 - 18; x += 2 * w) {
tft.fillRect(x, y, w, h, WHITE);
}
}
for (x = 0, w = 7, h = 18; x < 320; x += 17 * h + w) {
for (y = 21; y < 240 - 18; y += 2 * h) {
tft.fillRect(x, y, w, h, WHITE);
}
}
tft.fillRect(7, 3, 17 * 18, 13 * 18, GREY);
for (x = 7, y = 0, w = 1, h = 240; x < 320; x += 18) {
tft.fillRect(x, y, w, h, WHITE);
}
for (x = 0, y = 3, w = 320, h = 1; y < 240; y += 18) {
tft.fillRect(x, y, w, h, WHITE);
}
tft.fillRect(26, 22, 17, 99, TURQUOISE);
tft.fillRect(26, 120, 17, 99, PINK);
tft.fillRect(44, 22, 17, 35, AZURE);
tft.fillRect(44, 184, 17, 35, ORANGE);
tft.fillRect(260, 22, 17, 35, AZURE);
tft.fillRect(260, 184, 17, 35, ORANGE);
tft.fillRect(278, 22, 17, 99, OLIVE);
tft.fillRect(278, 120, 17, 99, PURPLE);
for (dx = radius; dx > -radius; dx--) {
w = sqrt(radius * radius - dx * dx);
y = 120 - dx;
dy = (y - 3) / 18;
mask = 7;
colors[0] = (dy == 3) ? DARKGREY : BLACK;
switch (dy) {
case 0:
case 1: idx = 1; len = 0; break;
case 2: idx = 0; len = 0; break;
case 3: idx = 0; len = 13; mask = 1; break;
case 4:
case 5: idx = 2; len = 38; break;
case 6:
case 7:
case 8: idx = 0; len = 0; break;
case 9: for (idx = 2; idx < 8; idx++) {
//dy = 0xFF >> (7 - idx);
dy = (idx - 2) * 51;
colors[idx] = tft.color565(dy, dy, dy);
}
idx = 2; len = 38; break;
case 10: idx = 1; len = 0; break;
case 11:
case 12: colors[2] = YELLOW; idx = 2; len = 0; break;
}
if (len == 0)
tft.fillRect(160 - w, y, w * 2, 1, colors[idx]);
else {
if (mask == 1) idx = 1 + (w) / len;
dy = w % len;
for (x = 160 - w; x < 160 + w; idx++) {
tft.fillRect(x, y, dy, 1, colors[idx & mask]);
x += dy;
if (x + len > 160 + w) dy = w % len;
else dy = len;
}
}
}
for (x = 72, y = 129, dx = 5, dy = 0; dx > 0; x += 2 * dx) {
tft.fillRect(x, y, dx, 36, WHITE);
dy += dx * 2;
if (dy >= 36) {
dy = 0;
dx--;
}
}
tft.fillRect(160 - 8, 5 * 18 + 3, 17, 3 * 18, BLACK);
for (x = 3 * 18 + 7, y = 6 * 18 + 3, w = 1, h = 18; x < 160 + 108; x += 18) {
tft.fillRect(x, y, w, h, WHITE);
}
tft.fillRect(160 - 108, 120, 108 * 2, 1, WHITE);
tft.fillRect(160, 5 * 18 + 3, 1, 3 * 18, WHITE);
tft.fillRect(108, 2 * 18 + 3, 6 * 18, 18, WHITE);
// tft.fillRect(108, 10 * 18 + 3, 6 * 18, 18, BLACK);
tft.fillRect(160 - 8, 11 * 18 + 3, 17, radius - 18*9/2, RED);
tft.setCursor(160 - 36, 24 + ADJ_BASELINE);
tft.setTextColor(BLACK);
tft.setTextSize(1);
tft.print("320x240");
tft.setCursor(109, 43 + ADJ_BASELINE);
tft.setTextColor(BLACK);
tft.setTextSize(1);
tft.print(" ID=0x");
tft.print(tft.readID(), HEX);
}
void showtime(void)
{ tft.setTextColor(WHITE, BLACK);
// tft.setFont(NULL);
// tft.setTextSize(2);
if (++ss > 59)
{ ss = 0;
mm++;
if (mm > 59)
{ mm = 0;
hh++;
if (hh > 23)
{ hh = 0;
} } }
char buf[20];
sprintf(buf, "%02d:%02d:%02d", hh, mm, ss);
tft.fillRect(108, 10 * 18 + 3, 6 * 18, 18, BLACK);
tft.setCursor(128, 187 + ADJ_BASELINE);
tft.print(buf);
}
void loop(void)
{ const unsigned long interval = 1000;
static unsigned long previousMillis = interval;
unsigned long currentMillis = millis();
if(currentMillis - previousMillis >= interval)
{ previousMillis = currentMillis;
showtime();
} }
testcard_kbv_new.ino (6.03 KB)
Thanks to the wonderful work of David Prentice, here is a part of his code:
