【雕爷学编程】Arduino动手做（153）---2.4寸TFT液晶触摸屏模块3
雕爷学编程,Arduino动手做,开源硬件,创客传感器,2.4寸TFT液晶触摸屏模块
37款传感器与执行器的提法，在网络上广泛流传，其实Arduino能够兼容的传感器模块肯定是不止这37种的。鉴于本人手头积累了一些传感器和执行器模块，依照实践出真知（一定要动手做）的理念，以学习和交流为目的，这里准备逐一动手尝试系列实验，不管成功（程序走通）与否，都会记录下来—小小的进步或是搞不掂的问题，希望能够抛砖引玉。
【Arduino】168种传感器模块系列实验（资料代码+仿真编程+图形编程）
实验一百五十三：2.4寸TFT液晶触摸屏 彩屏模块 可直插UNO R3 Mega2560开发板
【Arduino】168种传感器模块系列实验（资料代码+仿真编程+图形编程）
实验一百五十三：2.4寸TFT液晶触摸屏 彩屏模块 可直插UNO R3 Mega2560开发板
项目之三：使用图形库随机绘制各种图形，三角函数以及英文字符串
Arduino实验开源代码
/*
【Arduino】168种传感器模块系列实验（资料代码+仿真编程+图形编程）
实验一百五十三：2.4寸TFT液晶触摸屏 彩屏模块 可直插UNO R3 Mega2560开发板
项目之三：使用图形库随机绘制各种图形，三角函数以及英文字符串
模块直插，引脚用法如下：
LCD_CS LCD_CD LCD_WR LCD_RD LCD_RST SD_SS SD_DI SD_DO SD_SCK
Arduino Uno A3 A2 A1 A0 A4 10 11 12 13
LCD_D0 LCD_D1 LCD_D2 LCD_D3 LCD_D4 LCD_D5 LCD_D6 LCD_D7
Arduino Uno 8 9 2 3 4 5 6 7
*/
#include <LCDWIKI_GUI.h> //导入核心图形库
#include <LCDWIKI_KBV.h> //导入特定硬件库
//如果 IC 模型已知或模块不可读，则可以使用此构造函数
LCDWIKI_KBV my_lcd(ILI9341, A3, A2, A1, A0, A4); //模型、CS、CD、WR、RD、重置
//如果 IC 模型未知且模块可读，则可以使用此构造函数
//LCDWIKI_KBV my_lcd(240,320,A3,A2,A1,A0,A4);//屏幕宽度、高度、cs、cd、wr、rd、重置
void show_string(uint8_t *str, int16_t x, int16_t y, uint8_t csize, uint16_t fc, uint16_t bc, boolean mode) {
my_lcd.Set_Text_Mode(mode);
my_lcd.Set_Text_Size(csize);
my_lcd.Set_Text_colour(fc);
my_lcd.Set_Text_Back_colour(bc);
my_lcd.Print_String(str, x, y);
}
//显示主图框
unsigned long show_text(void) {
unsigned long time_start = micros();
my_lcd.Set_Draw_color(32, 0, 255);
my_lcd.Fill_Rectangle(0, 0, my_lcd.Get_Display_Width() - 1, 14);
show_string("---> Hello World <---", CENTER, 3, 1, 0x07E0, 0, 1);
my_lcd.Set_Draw_color(128, 128, 128);
my_lcd.Fill_Rectangle(0, my_lcd.Get_Display_Height() - 15, my_lcd.Get_Display_Width() - 1, my_lcd.Get_Display_Height() - 1);
show_string("* Universal Color TFT Display Library *", CENTER, my_lcd.Get_Display_Height() - 11, 1, 0xFFFF, 0, 1);
my_lcd.Set_Draw_color(255, 0, 0);
my_lcd.Draw_Rectangle(0, 15, my_lcd.Get_Display_Width() - 1, my_lcd.Get_Display_Height() - 16);
return micros() - time_start;
}
//显示三角函数
unsigned long show_triangle_function(void) {
uint16_t i;
unsigned long time_start = micros();
//绘制十字准线
my_lcd.Set_Draw_color(0, 0, 255);
my_lcd.Draw_Fast_VLine(my_lcd.Get_Display_Width() / 2 - 1, 16, my_lcd.Get_Display_Height() - 32);
my_lcd.Draw_Fast_HLine(1, my_lcd.Get_Display_Height() / 2 - 1, my_lcd.Get_Display_Width() - 2);
for (i = 1; i <= (my_lcd.Get_Display_Height() - 32) / 2 / 10; i++) {
my_lcd.Draw_Fast_HLine(my_lcd.Get_Display_Width() / 2 - 1 - 2, my_lcd.Get_Display_Height() / 2 - 1 - i * 10, 5);
my_lcd.Draw_Fast_HLine(my_lcd.Get_Display_Width() / 2 - 1 - 2, my_lcd.Get_Display_Height() / 2 - 1 + i * 10, 5);
}
for (i = 1; i <= (my_lcd.Get_Display_Width() - 2) / 2 / 10; i++) {
my_lcd.Draw_Fast_VLine(my_lcd.Get_Display_Width() / 2 - 1 - i * 10, my_lcd.Get_Display_Height() / 2 - 1 - 2, 5);
my_lcd.Draw_Fast_VLine(my_lcd.Get_Display_Width() / 2 - 1 + i * 10, my_lcd.Get_Display_Height() / 2 - 1 - 2, 5);
}
// 绘制罪恶线（Draw sin lines）
show_string("sin", 5, 17, 1, 0x07FF, 0, 0);
my_lcd.Set_Draw_color(0, 255, 255);
for (i = 1; i < my_lcd.Get_Display_Width() - 2; i++) {
my_lcd.Draw_Pixel(i, my_lcd.Get_Display_Height() / 2 - 1 + (sin(((i * 1.13) * 3.14) / 180) * 95));
}
// 画cos线（Draw cos lines）
show_string("cos", 5, 25, 1, 0x07E0, 0, 0);
my_lcd.Set_Draw_color(0, 255, 0);
for (i = 1; i < my_lcd.Get_Display_Width() - 2; i++) {
my_lcd.Draw_Pixel(i, my_lcd.Get_Display_Height() / 2 - 1 + (cos(((i * 1.13) * 3.14) / 180) * 95));
}
// 绘制棕褐色线（Draw tan lines）
show_string("tan", 5, 33, 1, 0xFFE0, 0, 0);
my_lcd.Set_Draw_color(255, 255, 0);
for (i = 1; i < my_lcd.Get_Display_Width() - 2; i++) {
my_lcd.Draw_Pixel(i, my_lcd.Get_Display_Height() / 2 - 1 + (tan(((i * 1.13) * 3.14) / 180) * 10));
}
// 绘制婴儿床线(Draw cot lines)
show_string("cot", 5, 41, 1, 0xF800, 0, 0);
my_lcd.Set_Draw_color(255, 0, 0);
for (i = 1; i < my_lcd.Get_Display_Width() - 2; i++) {
my_lcd.Draw_Pixel(i, my_lcd.Get_Display_Height() / 2 - 1 + 1 / (tan(((i * 1.13) * 3.14) / 180) * 0.1));
}
return micros() - time_start;
}
// 绘制移动的正弦波(Draw a moving sinewave)
unsigned long show_sinewave(void) {
uint16_t buf[my_lcd.Get_Display_Width() - 2], x = 1, i, y;
unsigned long time_start = micros();
int16_t wid = my_lcd.Get_Display_Width();
int16_t t;
float k;
if (wid == 320) {
t = 20;
k = 1.1;
}
else {
t = 15;
k = 0.7;
}
my_lcd.Set_Draw_color(0, 0, 255);
my_lcd.Draw_Fast_VLine(my_lcd.Get_Display_Width() / 2 - 1, 16, my_lcd.Get_Display_Height() - 32);
my_lcd.Draw_Fast_HLine(1, my_lcd.Get_Display_Height() / 2 - 1, my_lcd.Get_Display_Width() - 2);
for (i = 1; i < ((my_lcd.Get_Display_Width() - 2)*t); i++) {
x++;
if (x == my_lcd.Get_Display_Width() - 1) {
x = 1;
}
if (i > my_lcd.Get_Display_Width() - 1) {
if ((x == my_lcd.Get_Display_Width() / 2 - 1) || (buf[x - 1] == my_lcd.Get_Display_Height() / 2 - 1)) {
my_lcd.Set_Draw_color(0, 0, 255);
}
else {
my_lcd.Set_Draw_color(0, 0, 0);
}
my_lcd.Draw_Pixel(x, buf[x - 1]);
}
my_lcd.Set_Draw_color(255, 64, 255);
y = my_lcd.Get_Display_Height() / 2 - 1 + (sin(((i * k) * 3.14) / 180) * (90 - (i / 100)));
my_lcd.Draw_Pixel(x, y);
buf[x - 1] = y;
}
return micros() - time_start;
}
// 绘制一些实心矩形(Draw some filled rectangles)
unsigned long show_fill_rectangle(void) {
uint16_t i;
unsigned long time_start = micros();
uint16_t side_len = (my_lcd.Get_Display_Height() - 40) / 5;
uint16_t x_spec = (my_lcd.Get_Display_Width() - 5 * side_len) / 2;
uint16_t y_spec = (my_lcd.Get_Display_Height() - 5 * side_len) / 2;
for (i = 0; i < 5; i++)
{
switch (i)
{
case 0:
my_lcd.Set_Draw_color(255, 0, 255);
break;
case 1:
my_lcd.Set_Draw_color(255, 0, 0);
break;
case 2:
my_lcd.Set_Draw_color(0, 255, 0);
break;
case 3:
my_lcd.Set_Draw_color(0, 0, 255);
break;
case 4:
my_lcd.Set_Draw_color(255, 255, 0);
break;
default:
break;
}
my_lcd.Fill_Rectangle(x_spec + i * side_len - 1, y_spec + i * side_len - 1, x_spec + (i + 1)*side_len - 1, y_spec + (i + 1)*side_len - 1);
my_lcd.Fill_Rectangle(x_spec + i * side_len - 1, y_spec + (5 - i)*side_len - 1, x_spec + (i + 1)*side_len - 1, y_spec + (4 - i)*side_len - 1);
}
return micros() - time_start;
}
// 绘制一些填充的圆角矩形(Draw some filled round rectangles)
unsigned long show_fill_round_rectangle(void) {
uint16_t i;
unsigned long time_start = micros();
uint16_t side_len = (my_lcd.Get_Display_Height() - 40) / 5;
uint16_t x_spec = (my_lcd.Get_Display_Width() - 5 * side_len) / 2;
uint16_t y_spec = (my_lcd.Get_Display_Height() - 5 * side_len) / 2;
for (i = 0; i < 5; i++) {
switch (i) {
case 0:
my_lcd.Set_Draw_color(255, 0, 255);
break;
case 1:
my_lcd.Set_Draw_color(255, 0, 0);
break;
case 2:
my_lcd.Set_Draw_color(0, 255, 0);
break;
case 3:
my_lcd.Set_Draw_color(0, 0, 255);
break;
case 4:
my_lcd.Set_Draw_color(255, 255, 0);
break;
default:
break;
}
my_lcd.Fill_Round_Rectangle(x_spec + i * side_len - 1, y_spec + i * side_len - 1, x_spec + (i + 1)*side_len - 1, y_spec + (i + 1)*side_len - 1, 10);
my_lcd.Fill_Round_Rectangle(x_spec + i * side_len - 1, y_spec + (5 - i)*side_len - 1, x_spec + (i + 1)*side_len - 1, y_spec + (4 - i)*side_len - 1, 10);
}
return micros() - time_start;
}
// 画一些实心圆圈(Draw some filled circles)
unsigned long show_fill_circle(void) {
uint16_t i;
unsigned long time_start = micros();
uint16_t r_len = (my_lcd.Get_Display_Height() - 40) / 5 / 2;
uint16_t x_spec = (my_lcd.Get_Display_Width() - 5 * r_len * 2) / 2;
uint16_t y_spec = (my_lcd.Get_Display_Height() - 5 * r_len * 2) / 2;
for (i = 0; i < 5; i++) {
switch (i) {
case 0:
my_lcd.Set_Draw_color(255, 0, 255);
break;
case 1:
my_lcd.Set_Draw_color(255, 0, 0);
break;
case 2:
my_lcd.Set_Draw_color(0, 255, 0);
break;
case 3:
my_lcd.Set_Draw_color(0, 0, 255);
break;
case 4:
my_lcd.Set_Draw_color(255, 255, 0);
break;
default:
break;
}
my_lcd.Fill_Circle(x_spec + r_len + i * r_len * 2 - 1, y_spec + r_len + i * r_len * 2 - 1, r_len);
my_lcd.Fill_Circle(x_spec + r_len + i * r_len * 2 - 1, y_spec + (5 - i)*r_len * 2 - r_len - 1, r_len);
}
return micros() - time_start;
}
// 画一些实心三角形(Draw some filled triangles)
unsigned long show_fill_triangle(void) {
uint16_t i;
unsigned long time_start = micros();
uint16_t h_len = (my_lcd.Get_Display_Height() - 40) / 5;
uint16_t side_len = (h_len * 115) / 100;
uint16_t x_spec = (my_lcd.Get_Display_Width() - 5 * side_len) / 2;
uint16_t y_spec = (my_lcd.Get_Display_Height() - 5 * h_len) / 2;
for (i = 0; i < 5; i++) {
switch (i) {
case 0:
my_lcd.Set_Draw_color(255, 0, 255);
break;
case 1:
my_lcd.Set_Draw_color(255, 0, 0);
break;
case 2:
my_lcd.Set_Draw_color(0, 255, 0);
break;
case 3:
my_lcd.Set_Draw_color(0, 0, 255);
break;
case 4:
my_lcd.Set_Draw_color(255, 255, 0);
break;
default:
break;
}
my_lcd.Fill_Triangle(x_spec + i * side_len - 1, y_spec + (i + 1)*h_len - 1, x_spec + side_len / 2 + i * side_len - 1, y_spec + i * h_len - 1, x_spec + (i + 1)*side_len - 1, y_spec + (i + 1)*h_len - 1);
my_lcd.Fill_Triangle(x_spec + i * side_len - 1, y_spec + (5 - i)*h_len - 1, x_spec + side_len / 2 + i * side_len - 1, y_spec + (4 - i)*h_len - 1, x_spec + (i + 1)*side_len - 1, y_spec + (5 - i)*h_len - 1);
}
return micros() - time_start;
}
// 在图案中绘制一些线条(Draw some lines in a pattern)
unsigned long show_grid_lines(void) {
uint16_t i;
unsigned long time_start = micros();
int16_t wid = my_lcd.Get_Display_Width();
float k;
if (wid == 320) {
k = 1.44;
}
else {
k = 1.6;
}
my_lcd.Set_Draw_color(255, 0, 0);
for (i = 16; i < my_lcd.Get_Display_Height() - 17; i += 5) {
my_lcd.Draw_Line(1, i, (i * k) - 10, my_lcd.Get_Display_Height() - 17);
}
my_lcd.Set_Draw_color(255, 0, 0);
for (i = my_lcd.Get_Display_Height() - 17; i > 16; i -= 5) {
my_lcd.Draw_Line(my_lcd.Get_Display_Width() - 2, i, (i * k) - 11, 16);
}
my_lcd.Set_Draw_color(0, 255, 255);
for (i = my_lcd.Get_Display_Height() - 16; i > 16; i -= 5) {
my_lcd.Draw_Line(1, i, (my_lcd.Get_Display_Height() - 17)*k + 10 - (i * k), 16);
}
my_lcd.Set_Draw_color(0, 255, 255);
for (int i = 15; i < my_lcd.Get_Display_Height() - 17; i += 5) {
my_lcd.Draw_Line(my_lcd.Get_Display_Width() - 2, i, (my_lcd.Get_Display_Height() - 17)*k + 10 - (i * k), my_lcd.Get_Display_Height() - 17);
}
return micros() - time_start;
}
// 绘制一些随机像素(Draw some random pixels)
unsigned long show_random_pixels(void) {
uint16_t i;
unsigned long time_start = micros();
for (i = 0; i < 6000; i++) {
my_lcd.Set_Draw_color(random(255), random(255), random(255));
my_lcd.Draw_Pixel(2 + random(my_lcd.Get_Display_Width() - 4), 17 + random(my_lcd.Get_Display_Height() - 34));
}
return micros() - time_start;
}
// 画一些随机线(Draw some random lines)
unsigned long show_random_lines(void) {
uint16_t i;
unsigned long time_start = micros();
for (i = 0; i < 300; i++) {
my_lcd.Set_Draw_color(random(255), random(255), random(255));
my_lcd.Draw_Line(2 + random(my_lcd.Get_Display_Width() - 4), 17 + random(my_lcd.Get_Display_Height() - 34), 2 + random(my_lcd.Get_Display_Width() - 4), 17 + random(my_lcd.Get_Display_Height() - 34));
}
return micros() - time_start;
}
// 绘制一些随机矩形(Draw some random rectangles)
unsigned long show_random_rectangles(void) {
uint16_t i;
unsigned long time_start = micros();
for (i = 0; i < 150; i++) {
my_lcd.Set_Draw_color(random(255), random(255), random(255));
my_lcd.Draw_Rectangle(2 + random(my_lcd.Get_Display_Width() - 4), 17 + random(my_lcd.Get_Display_Height() - 34), 2 + random(my_lcd.Get_Display_Width() - 4), 17 + random(my_lcd.Get_Display_Height() - 34));
}
return micros() - time_start;
}
// 画一些随机的圆圈(Draw some random circles)
unsigned long show_random_circles(void) {
uint16_t i;
unsigned long time_start = micros();
for (i = 0; i < 150; i++) {
my_lcd.Set_Draw_color(random(255), random(255), random(255));
my_lcd.Draw_Circle(41 + random(my_lcd.Get_Display_Width() - 82), 56 + random(my_lcd.Get_Display_Height() - 112), random(40));
}
return micros() - time_start;
}
// 画一些随机三角形(Draw some random triangles)
unsigned long show_random_triangles(void) {
uint16_t i;
unsigned long time_start = micros();
for (i = 0; i < 150; i++) {
my_lcd.Set_Draw_color(random(255), random(255), random(255));
my_lcd.Draw_Triangle(2 + random(my_lcd.Get_Display_Width() - 4), 17 + random(my_lcd.Get_Display_Height() - 34), 2 + random(my_lcd.Get_Display_Width() - 4), 17 + random(my_lcd.Get_Display_Height() - 34), 2 + random(my_lcd.Get_Display_Width() - 4), 17 + random(my_lcd.Get_Display_Height() - 34));
}
return micros() - time_start;
}
// 画一些随机的圆角矩形(Draw some random round rectangles)
unsigned long show_random_round_rectangles(void) {
uint16_t i;
unsigned long time_start = micros();
for (i = 0; i < 150; i++) {
my_lcd.Set_Draw_color(random(255), random(255), random(255));
my_lcd.Draw_Round_Rectangle(2 + random(my_lcd.Get_Display_Width() - 4), 17 + random(my_lcd.Get_Display_Height() - 34), 2 + random(my_lcd.Get_Display_Width() - 4), 17 + random(my_lcd.Get_Display_Height() - 34), 5);
}
return micros() - time_start;
}
// 绘制一些随机位图（Draw some random bit maps）
unsigned long show_random_bit_map(void) {
uint16_t buf[48], i;
unsigned long time_start = micros();
int16_t len = (my_lcd.Get_Display_Height() * 3 / 4) / 6;
for (i = 0; i < 48; i++) {
my_lcd.Set_Draw_color(random(255), random(255), random(255));
buf[i] = my_lcd.Get_Draw_color();
}
for (i = 1; i <= 6; i++) {
my_lcd.Draw_Bit_Map(my_lcd.Get_Display_Width() / 2 - 1 - ((len / 2) * 4 / 3)*i, my_lcd.Get_Display_Height() / 2 - 1 - (len / 2)*i, 8, 6, buf, i * (len / 6));
delay(100);
}
return micros() - time_start;
}
//清屏运行统计（Clear the screen）
void clear_screen(void) {
delay(2000);
my_lcd.Set_Draw_color(0, 0, 0);
my_lcd.Fill_Rectangle(1, 16, my_lcd.Get_Display_Width() - 2, my_lcd.Get_Display_Height() - 17);
}
unsigned long (*show_function[])(void) {
show_text,
show_triangle_function,
show_sinewave,
show_fill_rectangle,
show_fill_round_rectangle,
show_fill_circle,
show_fill_triangle,
show_grid_lines,
show_random_pixels,
show_random_lines,
show_random_rectangles,
show_random_round_rectangles,
show_random_circles,
show_random_triangles,
show_random_bit_map,
};
uint8_t *show_str[] =
{
"show text :",
"show triangle function :",
"show sinewave :",
"show fill rectangle :",
"show fill round rectangle :",
"show fill circle :",
"show fill triangle :",
"show grid lines :",
"show random pixels :",
"show random lines :",
"show random rectangles :",
"show random round rectangles :",
"show random circles :",
"show random triangles :",
"show random bit_map :"
};
//显示程序运行时间（display the running time of programs）
unsigned long show_total_time(void) {
uint16_t i;
unsigned long buf[15];
unsigned long time_start = micros();
for (i = 0; i < 15; i++) {
buf[i] = show_function[i]();
clear_screen();
}
for (i = 0; i < 15; i++) {
show_string(show_str[i], (my_lcd.Get_Display_Width() - 260) / 2 - 1, (my_lcd.Get_Display_Height() - 150) / 2 + i * 10 - 1, 1, 0xFD20, 0, 1);
my_lcd.Set_Text_colour(0, 255, 0);
my_lcd.Print_Number_Int(buf[i], (my_lcd.Get_Display_Width() - 260) / 2 - 1 + 200, (my_lcd.Get_Display_Height() - 150) / 2 + i * 10 - 1, 0, ' ', 10);
}
delay(2000);
return micros() - time_start;
}
//显示结束和总运行时间（display ending and total running time）
void show_end(unsigned long run_time) {
my_lcd.Fill_Screen(0, 255, 255);
my_lcd.Set_Draw_color(255, 0, 0);
my_lcd.Fill_Round_Rectangle(my_lcd.Get_Display_Width() / 2 - 1 - 120 + 1, my_lcd.Get_Display_Height() / 2 - 1 - 60 + 1, my_lcd.Get_Display_Width() / 2 - 1 + 120 - 1, my_lcd.Get_Display_Height() / 2 - 1 + 60 - 1, 5);
my_lcd.Set_Text_colour(0, 255, 255);
my_lcd.Set_Text_Size(1);
my_lcd.Set_Text_Mode(1);
my_lcd.Print_String("Running over!", CENTER, my_lcd.Get_Display_Height() / 2 - 1 - 40);
my_lcd.Print_String("That's ok!", CENTER, my_lcd.Get_Display_Height() / 2 - 1 - 30);
my_lcd.Print_String("After a few seconds,", CENTER, my_lcd.Get_Display_Height() / 2 - 1 - 20);
my_lcd.Print_String("it will restart.", CENTER, my_lcd.Get_Display_Height() / 2 - 1 - 10);
my_lcd.Print_String("Please wait ...", CENTER, my_lcd.Get_Display_Height() / 2 - 1);
my_lcd.Set_Text_colour(255, 255, 0);
my_lcd.Print_String("Total runtime(us): ", my_lcd.Get_Display_Width() / 2 - 1 - 90, my_lcd.Get_Display_Height() / 2 - 1 + 40);
my_lcd.Set_Text_colour(0, 255, 0);
my_lcd.Print_Number_Int(run_time, my_lcd.Get_Display_Width() / 2 - 1 + 30, my_lcd.Get_Display_Height() / 2 - 1 + 40, 0, ' ', 10);
delay(2000);
}
void setup() {
Serial.begin(9600);
my_lcd.Init_LCD();
Serial.println(my_lcd.Read_ID(), HEX);
my_lcd.Fill_Screen(0x0);
my_lcd.Set_Rotation(1);
}
void loop() {
unsigned long total_time;
my_lcd.Fill_Screen(0x0);
total_time = show_total_time();
show_end(total_time);
}
项目之三：使用图形库随机绘制各种图形，三角函数以及英文字符串
Arduino实验场景图
【Arduino】168种传感器模块系列实验（资料代码+仿真编程+图形编程）
实验一百五十三：2.4寸TFT液晶触摸屏 彩屏模块 可直插UNO R3 Mega2560开发板
项目之三：使用图形库随机绘制各种图形，三角函数以及英文字符串（视频60秒）
https://v.youku.com/v_show/id_XNTE3NDU2NzEwMA==.html?spm=a2hcb.playlsit.page.1
【Arduino】168种传感器模块系列实验（资料代码+仿真编程+图形编程）
实验一百五十三：2.4寸TFT液晶触摸屏 彩屏模块 可直插UNO R3 Mega2560开发板
项目之四：KBV图形与字符串显示的综合测试
实验开源代码：
/*
【Arduino】168种传感器模块系列实验（资料代码+仿真编程+图形编程）
实验一百五十三：2.4寸TFT液晶触摸屏 彩屏模块 可直插UNO R3 Mega2560开发板
项目之四：KBV图形与字符串显示的综合测试
模块直插，引脚用法如下：
LCD_CS LCD_CD LCD_WR LCD_RD LCD_RST SD_SS SD_DI SD_DO SD_SCK
Arduino Uno A3 A2 A1 A0 A4 10 11 12 13
LCD_D0 LCD_D1 LCD_D2 LCD_D3 LCD_D4 LCD_D5 LCD_D6 LCD_D7
Arduino Uno 8 9 2 3 4 5 6 7
*/
#define LCD_CS A3 // 片选进入模拟A3
#define LCD_CD A2 // 命令/数据进入模拟A2
#define LCD_WR A1 // LCD 写入到模拟A1
#define LCD_RD A0 // LCD 读取进入模拟A0
#define LCD_RESET A4 //也可以只连接到 Arduino 的复位引脚
#include <SPI.h>
#include "Adafruit_GFX.h"// 导入特定硬件的库
#include <MCUFRIEND_kbv.h>
MCUFRIEND_kbv tft;
//#include <Adafruit_TFTLCD.h>
//Adafruit_TFTLCD tft(LCD_CS, LCD_CD, LCD_WR, LCD_RD, LCD_RESET);
// 为一些常见的 16 位颜色值分配人类可读的名称
#define BLACK 0x0000
#define BLUE 0x001F
#define RED 0xF800
#define GREEN 0x07E0
#define CYAN 0x07FF
#define MAGENTA 0xF81F
#define YELLOW 0xFFE0
#define WHITE 0xFFFF
#ifndef min
#define min(a, b) (((a) < (b)) ? (a) : (b))
#endif
void setup(void);
void loop(void);
unsigned long testFillScreen();
unsigned long testText();
unsigned long testLines(uint16_t color);
unsigned long testFastLines(uint16_t color1, uint16_t color2);
unsigned long testRects(uint16_t color);
unsigned long testFilledRects(uint16_t color1, uint16_t color2);
unsigned long testFilledCircles(uint8_t radius, uint16_t color);
unsigned long testCircles(uint8_t radius, uint16_t color);
unsigned long testTriangles();
unsigned long testFilledTriangles();
unsigned long testRoundRects();
unsigned long testFilledRoundRects();
void progmemPrint(const char *str);
void progmemPrintln(const char *str);
void runtests(void);
uint16_t g_identifier;
extern const uint8_t hanzi[];
void showhanzi(unsigned int x, unsigned int y, unsigned char index)
{
uint8_t i, j, c, first = 1;
uint8_t *temp = (uint8_t*)hanzi;
uint16_t color;
tft.setAddrWindow(x, y, x + 31, y + 31); //设置区域
temp += index * 128;
for (j = 0; j < 128; j++)
{
c = pgm_read_byte(temp);
for (i = 0; i < 8; i++)
{
if ((c & (1 << i)) != 0)
{
color = RED;
}
else
{
color = BLACK;
}
tft.pushColors(&color, 1, first);
first = 0;
}
temp++;
}
}
void setup(void) {
Serial.begin(9600);
uint32_t when = millis();
// while (!Serial) ; // 挂起Leonardo，直到您连接串行
if (!Serial) delay(5000); //给Leonardo一些时间
Serial.println("Serial took " + String((millis() - when)) + "ms to start");
// tft.reset(); //硬件复位
uint16_t ID = tft.readID();
Serial.print("ID = 0x");
Serial.println(ID, HEX);
Serial.print("Ready ok!");
if (ID == 0xD3D3) ID = 0x9481; //只写扩展
// ID = 0x9329; // 强制标识
tft.begin(ID);
}
#if defined(MCUFRIEND_KBV_H_)
uint16_t scrollbuf[320]; // 我最大的屏幕是 320x480
#define READGRAM(x, y, buf, w, h) tft.readGRAM(x, y, buf, w, h)
#else
uint16_t scrollbuf[320]; // Adafruit 只能处理 240x320
// Adafruit 可以一次读取一个像素块
int16_t READGRAM(int16_t x, int16_t y, uint16_t *block, int16_t w, int16_t h)
{
uint16_t *p;
for (int row = 0; row < h; row++) {
p = block + row * w;
for (int col = 0; col < w; col++) {
*p++ = tft.readPixel(x + col, y + row);
}
}
}
#endif
void windowScroll(int16_t x, int16_t y, int16_t wid, int16_t ht, int16_t dx, int16_t dy, uint16_t *buf)
{
if (dx) for (int16_t row = 0; row < ht; row++) {
READGRAM(x, y + row, buf, wid, 1);
tft.setAddrWindow(x, y + row, x + wid - 1, y + row);
tft.pushColors(buf + dx, wid - dx, 1);
tft.pushColors(buf + 0, dx, 0);
}
if (dy) for (int16_t col = 0; col < wid; col++) {
READGRAM(x + col, y, buf, 1, ht);
tft.setAddrWindow(x + col, y, x + col, y + ht - 1);
tft.pushColors(buf + dy, ht - dy, 1);
tft.pushColors(buf + 0, dy, 0);
}
}
void printmsg(int row, const char *msg)
{
tft.setTextColor(YELLOW, BLACK);
tft.setCursor(0, row);
tft.println(msg);
}
void loop(void) {
uint8_t aspect;
uint16_t pixel;
const char *aspectname[] = {
"PORTRAIT", "LANDSCAPE", "PORTRAIT_REV", "LANDSCAPE_REV"
};
const char *colorname[] = { "BLUE", "GREEN", "RED", "GRAY" };
uint16_t colormask[] = { 0x001F, 0x07E0, 0xF800, 0xFFFF };
uint16_t dx, rgb, n, wid, ht, msglin;
tft.setRotation(0);
runtests();
delay(2000);
if (tft.height() > 64) {
for (uint8_t cnt = 0; cnt < 4; cnt++) {
aspect = (cnt + 0) & 3;
tft.setRotation(aspect);
wid = tft.width();
ht = tft.height();
msglin = (ht > 160) ? 200 : 112;
testText();
dx = wid / 32;
for (n = 0; n < 32; n++) {
rgb = n * 8;
rgb = tft.color565(rgb, rgb, rgb);
tft.fillRect(n * dx, 48, dx, 63, rgb & colormask[aspect]);
}
tft.drawRect(0, 48 + 63, wid, 1, WHITE);
tft.setTextSize(2);
tft.setTextColor(colormask[aspect], BLACK);
tft.setCursor(0, 72);
tft.print(colorname[aspect]);
tft.setTextColor(WHITE);
tft.println(" COLOR GRADES");
tft.setTextColor(WHITE, BLACK);
printmsg(184, aspectname[aspect]);
delay(1000);
tft.drawPixel(0, 0, YELLOW);
pixel = tft.readPixel(0, 0);
tft.setTextSize((ht > 160) ? 2 : 1); //对于消息
#if defined(MCUFRIEND_KBV_H_)
#if 1
extern const uint8_t penguin[];
tft.setAddrWindow(wid - 40 - 40, 20 + 0, wid - 1 - 40, 20 + 39);
tft.pushColors(penguin, 1600, 1);
#elif 1
extern const uint8_t wifi_full[];
tft.setAddrWindow(wid - 40 - 40, 20 + 0, wid - 40 - 40 + 31, 20 + 31);
tft.pushColors(wifi_full, 1024, 1, true);
#elif 1
extern const uint8_t icon_40x40[];
tft.setAddrWindow(wid - 40 - 40, 20 + 0, wid - 1 - 40, 20 + 39);
tft.pushColors(icon_40x40, 1600, 1);
#endif
tft.setAddrWindow(0, 0, wid - 1, ht - 1);
if (aspect & 1) tft.drawRect(wid - 1, 0, 1, ht, WHITE);
else tft.drawRect(0, ht - 1, wid, 1, WHITE);
printmsg(msglin, "VERTICAL SCROLL UP");
uint16_t maxscroll;
if (tft.getRotation() & 1) maxscroll = wid;
else maxscroll = ht;
for (uint16_t i = 1; i <= maxscroll; i++) {
tft.vertScroll(0, maxscroll, i);
delay(10);
}
delay(1000);
printmsg(msglin, "VERTICAL SCROLL DN");
for (uint16_t i = 1; i <= maxscroll; i++) {
tft.vertScroll(0, maxscroll, 0 - (int16_t)i);
delay(10);
}
tft.vertScroll(0, maxscroll, 0);
printmsg(msglin, "SCROLL DISABLED ");
delay(1000);
if ((aspect & 1) == 0) { //Portrait
tft.setTextColor(BLUE, BLACK);
printmsg(msglin, "ONLY THE COLOR BAND");
for (uint16_t i = 1; i <= 64; i++) {
tft.vertScroll(48, 64, i);
delay(20);
}
delay(1000);
}
#endif
tft.setTextColor(YELLOW, BLACK);
if (pixel == YELLOW) {
printmsg(msglin, "SOFTWARE SCROLL ");
#if 0
// 块的对角线卷轴
for (int16_t i = 45, dx = 2, dy = 1; i > 0; i -= dx) {
windowScroll(24, 8, 90, 40, dx, dy, scrollbuf);
}
#else
// 块的普通水平滚动
n = (wid > 320) ? 320 : wid;
for (int16_t i = n, dx = 4, dy = 0; i > 0; i -= dx) {
windowScroll(0, 200, n, 16, dx, dy, scrollbuf);
}
#endif
}
else if (pixel == CYAN)
tft.println("readPixel() reads as BGR");
else if ((pixel & 0xF8F8) == 0xF8F8)
tft.println("readPixel() should be 24-bit");
else {
tft.print("readPixel() reads 0x");
tft.println(pixel, HEX);
}
delay(2000);
}
}
printmsg(msglin, "INVERT DISPLAY ");
tft.invertDisplay(true);
delay(1000);
tft.invertDisplay(false);
}
typedef struct {
PGM_P msg;
uint32_t ms;
} TEST;
TEST result[12];
#define RUNTEST(n, str, test) { result[n].msg = PSTR(str); result[n].ms = test; delay(500); }
void runtests(void)
{
uint8_t i, len = 24, cnt;
uint32_t total;
RUNTEST(0, "FillScreen ", testFillScreen());
RUNTEST(1, "Text ", testText());
RUNTEST(2, "Lines ", testLines(CYAN));
RUNTEST(3, "Horiz/Vert Lines ", testFastLines(RED, BLUE));
RUNTEST(4, "Rectangles (outline) ", testRects(GREEN));
RUNTEST(5, "Rectangles (filled) ", testFilledRects(YELLOW, MAGENTA));
RUNTEST(6, "Circles (filled) ", testFilledCircles(10, MAGENTA));
RUNTEST(7, "Circles (outline) ", testCircles(10, WHITE));
RUNTEST(8, "Triangles (outline) ", testTriangles());
RUNTEST(9, "Triangles (filled) ", testFilledTriangles());
RUNTEST(10, "Rounded rects (outline) ", testRoundRects());
RUNTEST(11, "Rounded rects (filled) ", testFilledRoundRects());
tft.fillScreen(BLACK);
tft.setTextColor(GREEN);
tft.setCursor(0, 0);
uint16_t wid = tft.width();
if (wid > 176) {
tft.setTextSize(2);
#if defined(MCUFRIEND_KBV_H_)
tft.print("MCUFRIEND ");
#if MCUFRIEND_KBV_H_ != 0
tft.print(0.01 * MCUFRIEND_KBV_H_, 2);
#else
tft.print("for");
#endif
tft.println(" UNO");
#else
tft.println("Adafruit-Style Tests");
#endif
} else len = wid / 6 - 8;
tft.setTextSize(1);
total = 0;
for (i = 0; i < 12; i++) {
PGM_P str = result[i].msg;
char c;
if (len > 24) {
if (i < 10) tft.print(" ");
tft.print(i);
tft.print(": ");
}
uint8_t cnt = len;
while ((c = pgm_read_byte(str++)) && cnt--) tft.print(c);
tft.print(" ");
tft.println(result[i].ms);
total += result[i].ms;
}
tft.setTextSize(2);
tft.print("Total:");
tft.print(0.000001 * total);
tft.println("sec");
g_identifier = tft.readID();
tft.print("ID: 0x");
tft.println(tft.readID(), HEX);
// tft.print("Reg(00):0x");
// tft.println(tft.readReg(0x00), HEX);
tft.print("F_CPU:");
tft.print(0.000001 * F_CPU);
#if defined(__OPTIMIZE_SIZE__)
tft.println("MHz -Os");
#else
tft.println("MHz");
#endif
delay(1000);
}
//标准 Adafruit 测试。 将调整到屏幕大小
unsigned long testFillScreen() {
unsigned long start = micros();
tft.fillScreen(BLACK);
tft.fillScreen(RED);
tft.fillScreen(GREEN);
tft.fillScreen(BLUE);
tft.fillScreen(BLACK);
return micros() - start;
}
unsigned long testText() {
unsigned long start;
tft.fillScreen(BLACK);
start = micros();
tft.setCursor(0, 0);
tft.setTextColor(WHITE); tft.setTextSize(1);
tft.println("Hello World!");
tft.setTextColor(YELLOW); tft.setTextSize(2);
tft.println(123.45);
tft.setTextColor(RED); tft.setTextSize(3);
tft.println(0xDEADBEEF, HEX);
tft.println();
tft.setTextColor(GREEN);
tft.setTextSize(5);
tft.println("Groop");
tft.setTextSize(2);
tft.println("I implore thee,");
tft.setTextSize(1);
tft.println("my foonting turlingdromes.");
tft.println("And hooptiously drangle me");
tft.println("with crinkly bindlewurdles,");
tft.println("Or I will rend thee");
tft.println("in the gobberwarts");
tft.println("with my blurglecruncheon,");
tft.println("see if I don't!");
return micros() - start;
}
unsigned long testLines(uint16_t color) {
unsigned long start, t;
int x1, y1, x2, y2,
w = tft.width(),
h = tft.height();
tft.fillScreen(BLACK);
x1 = y1 = 0;
y2 = h - 1;
start = micros();
for (x2 = 0; x2 < w; x2 += 6) tft.drawLine(x1, y1, x2, y2, color);
x2 = w - 1;
for (y2 = 0; y2 < h; y2 += 6) tft.drawLine(x1, y1, x2, y2, color);
t = micros() - start; // fillScreen doesn't count against timing
tft.fillScreen(BLACK);
x1 = w - 1;
y1 = 0;
y2 = h - 1;
start = micros();
for (x2 = 0; x2 < w; x2 += 6) tft.drawLine(x1, y1, x2, y2, color);
x2 = 0;
for (y2 = 0; y2 < h; y2 += 6) tft.drawLine(x1, y1, x2, y2, color);
t += micros() - start;
tft.fillScreen(BLACK);
x1 = 0;
y1 = h - 1;
y2 = 0;
start = micros();
for (x2 = 0; x2 < w; x2 += 6) tft.drawLine(x1, y1, x2, y2, color);
x2 = w - 1;
for (y2 = 0; y2 < h; y2 += 6) tft.drawLine(x1, y1, x2, y2, color);
t += micros() - start;
tft.fillScreen(BLACK);
x1 = w - 1;
y1 = h - 1;
y2 = 0;
start = micros();
for (x2 = 0; x2 < w; x2 += 6) tft.drawLine(x1, y1, x2, y2, color);
x2 = 0;
for (y2 = 0; y2 < h; y2 += 6) tft.drawLine(x1, y1, x2, y2, color);
return micros() - start;
}
unsigned long testFastLines(uint16_t color1, uint16_t color2) {
unsigned long start;
int x, y, w = tft.width(), h = tft.height();
tft.fillScreen(BLACK);
start = micros();
for (y = 0; y < h; y += 5) tft.drawFastHLine(0, y, w, color1);
for (x = 0; x < w; x += 5) tft.drawFastVLine(x, 0, h, color2);
return micros() - start;
}
unsigned long testRects(uint16_t color) {
unsigned long start;
int n, i, i2,
cx = tft.width() / 2,
cy = tft.height() / 2;
tft.fillScreen(BLACK);
n = min(tft.width(), tft.height());
start = micros();
for (i = 2; i < n; i += 6) {
i2 = i / 2;
tft.drawRect(cx - i2, cy - i2, i, i, color);
}
return micros() - start;
}
unsigned long testFilledRects(uint16_t color1, uint16_t color2) {
unsigned long start, t = 0;
int n, i, i2,
cx = tft.width() / 2 - 1,
cy = tft.height() / 2 - 1;
tft.fillScreen(BLACK);
n = min(tft.width(), tft.height());
for (i = n; i > 0; i -= 6) {
i2 = i / 2;
start = micros();
tft.fillRect(cx - i2, cy - i2, i, i, color1);
t += micros() - start;
// Outlines are not included in timing results
tft.drawRect(cx - i2, cy - i2, i, i, color2);
}
return t;
}
unsigned long testFilledCircles(uint8_t radius, uint16_t color) {
unsigned long start;
int x, y, w = tft.width(), h = tft.height(), r2 = radius * 2;
tft.fillScreen(BLACK);
start = micros();
for (x = radius; x < w; x += r2) {
for (y = radius; y < h; y += r2) {
tft.fillCircle(x, y, radius, color);
}
}
return micros() - start;
}
unsigned long testCircles(uint8_t radius, uint16_t color) {
unsigned long start;
int x, y, r2 = radius * 2,
w = tft.width() + radius,
h = tft.height() + radius;
// 这个屏幕没有被清除——这是
// 有意且不影响报告时间。
start = micros();
for (x = 0; x < w; x += r2) {
for (y = 0; y < h; y += r2) {
tft.drawCircle(x, y, radius, color);
}
}
return micros() - start;
}
unsigned long testTriangles() {
unsigned long start;
int n, i, cx = tft.width() / 2 - 1,
cy = tft.height() / 2 - 1;
tft.fillScreen(BLACK);
n = min(cx, cy);
start = micros();
for (i = 0; i < n; i += 5) {
tft.drawTriangle(
cx , cy - i, // 峰值
cx - i, cy + i, // 左下方
cx + i, cy + i, // 右下角
tft.color565(0, 0, i));
}
return micros() - start;
}
unsigned long testFilledTriangles() {
unsigned long start, t = 0;
int i, cx = tft.width() / 2 - 1,
cy = tft.height() / 2 - 1;
tft.fillScreen(BLACK);
start = micros();
for (i = min(cx, cy); i > 10; i -= 5) {
start = micros();
tft.fillTriangle(cx, cy - i, cx - i, cy + i, cx + i, cy + i,
tft.color565(0, i, i));
t += micros() - start;
tft.drawTriangle(cx, cy - i, cx - i, cy + i, cx + i, cy + i,
tft.color565(i, i, 0));
}
return t;
}
unsigned long testRoundRects() {
unsigned long start;
int w, i, i2, red, step,
cx = tft.width() / 2 - 1,
cy = tft.height() / 2 - 1;
tft.fillScreen(BLACK);
w = min(tft.width(), tft.height());
start = micros();
red = 0;
step = (256 * 6) / w;
for (i = 0; i < w; i += 6) {
i2 = i / 2;
red += step;
tft.drawRoundRect(cx - i2, cy - i2, i, i, i / 8, tft.color565(red, 0, 0));
}
return micros() - start;
}
unsigned long testFilledRoundRects() {
unsigned long start;
int i, i2, green, step,
cx = tft.width() / 2 - 1,
cy = tft.height() / 2 - 1;
tft.fillScreen(BLACK);
start = micros();
green = 256;
step = (256 * 6) / min(tft.width(), tft.height());
for (i = min(tft.width(), tft.height()); i > 20; i -= 6) {
i2 = i / 2;
green -= step;
tft.fillRoundRect(cx - i2, cy - i2, i, i, i / 8, tft.color565(0, green, 0));
}
return micros() - start;
}
实验串口返回情况
【Arduino】168种传感器模块系列实验（资料代码+仿真编程+图形编程）
实验一百五十三：2.4寸TFT液晶触摸屏 彩屏模块 可直插UNO R3 Mega2560开发板
项目之四：Kbv 图形与字符串显示的综合测试（实验记录视频1分26秒）
实验动态图
【Arduino】168种传感器模块系列实验（资料代码+仿真编程+图形编程）
实验一百五十三：2.4寸TFT液晶触摸屏 彩屏模块 可直插UNO R3 Mega2560开发板
项目之四：Kbv 图形与字符串显示的综合测试（实验记录视频1分26秒）
https://v.youku.com/v_show/id_XNTE3NTAxMDcwNA==.html
【Arduino】168种传感器模块系列实验（资料代码+仿真编程+图形编程）
实验一百五十三：2.4寸TFT液晶触摸屏 彩屏模块 可直插UNO R3 Mega2560开发板
项目之五：生成实时时间的电视台测试卡
实验开源代码：
/*
【Arduino】168种传感器模块系列实验（资料代码+仿真编程+图形编程）
实验一百五十三：2.4寸TFT液晶触摸屏 彩屏模块 可直插UNO R3 Mega2560开发板
项目之五：生成实时时间的电视台测试卡
模块直插，引脚用法如下：
LCD_CS LCD_CD LCD_WR LCD_RD LCD_RST SD_SS SD_DI SD_DO SD_SCK
Arduino Uno A3 A2 A1 A0 A4 10 11 12 13
LCD_D0 LCD_D1 LCD_D2 LCD_D3 LCD_D4 LCD_D5 LCD_D6 LCD_D7
Arduino Uno 8 9 2 3 4 5 6 7
*/
#include <Adafruit_GFX.h>
#if defined(_GFXFONT_H_)
#include <Fonts/FreeSans9pt7b.h>
#define ADJ_BASELINE 11 //新字体将光标设置为字母底部
#else
#define ADJ_BASELINE 0 //遗留设置光标到字母顶部
#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; //当前时间的储存容器变量
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; // 只写扩展
if (ID == 0xD3D3) ID = 0x9486; // 只写扩展
tft.begin(ID);
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);
}
void loop(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);
tft.setTextColor(WHITE, BLACK);
// tft.setFont(NULL);
// tft.setTextSize(2);
while (1) {
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);
delay(1000);
}
}
Arduino实验场景图
