void TEST_fillPrimitives(u16 step) {
LCD_fillScreen(BLACK);
u16 halfStep = (u16) (step / 2),
quartStep = (u16) (halfStep / 2),
halfQuartStep = (u16) (quartStep / 2);
u16 w = LCD_getWidth(),
h = LCD_getHeight();
for (u16 x = 0; x < w; x += step) {
LCD_drawFastVLine(x, 0, h, DGRAY);
}
for (u16 y = 0; y < h; y += step) {
LCD_drawFastHLine(0, y, w, DGRAY);
}
for (u16 x = 0; x < w; x += step) {
for (u16 y = 0; y < h; y += step) {
LCD_drawRect(x, y, halfStep, halfStep, DGREEN);
LCD_fillRect(x + halfStep, y + halfStep, halfStep, halfStep, GREENYELLOW);
LCD_drawCircle(x + quartStep, y + quartStep, halfQuartStep, GREENYELLOW);
LCD_fillCircle(x + halfStep + quartStep, y + halfStep + quartStep, halfQuartStep, DGREEN);
LCD_putPixel(x + quartStep, y + quartStep, YELLOW);
LCD_drawLine(x + halfStep, y + halfStep, x + step, y + step, WHITE);
}
}
}
int main(void)
{
char cmd, subcmd, x, y, v, w, r; //variables used for loops, buffering of command bytes, counters etc.
uint16_t color; //counters for long stuff that may go over 256
uint8_t pressureThreshhold = 10;
TouchScreen_init();
USART_set_baud(6);
LCD_init();
//flush any received chars
USART_flush();
LCD_drawString("Ready For Command", 0, 10, 1, WHITE, USART_recv);
/* Replace with your application code */
while (1) {
if(!RX_available()) {
TSPoint p = TouchScreen_getPoint();
if(p.z > pressureThreshhold) {
USART_printf("X = %d\r\n", p.x);
USART_printf("Y = %d\r\n", p.y);
USART_printf("Pressure = %d\r\n", p.z);
}
} else {
cmd = USART_recv();
switch(cmd) {
case 124:
subcmd = USART_recv();
switch(subcmd) {
case 1: //clear screen
LCD_paint_screen_black();
break;
//************************************************************************************************************
case 3: //draw circle
x = USART_recv();
y = USART_recv();
r = USART_recv();
// get integer color
color = USART_recv();
color = color << 8;
color |= USART_recv();
LCD_drawCircle(x, y, r, color);
break;
case 4:
x = USART_recv();
y = USART_recv();
r = USART_recv();
// get integer color
color = USART_recv(); //store it and increment RX_read
color = color << 8;
color |= USART_recv();
LCD_fillCircle(x, y, r, color);
break;
case 12: //line
x = USART_recv();
y = USART_recv();
v = USART_recv();
w = USART_recv();
// get integer color
color = USART_recv();
color = color << 8;
color |= USART_recv();
LCD_drawLine(x, y, v, w, color);
break;
//************************************************************************************************************
case 15:
x = USART_recv();
y = USART_recv();
v = USART_recv();
w = USART_recv();
// get integer color
color = USART_recv();
color = color << 8;
color |= USART_recv();
LCD_drawRectangle(x, y, v, w, color);
break;
//************************************************************************************************************
case 16: //set pixel
x = USART_recv();
y = USART_recv();
color = USART_recv();
color = color << 8;
color |= USART_recv();
LCD_setPixel(x, y, color);
break;
case 18:
x = USART_recv();
y = USART_recv();
v = USART_recv();
w = USART_recv();
// get integer color
color = USART_recv();
color = color << 8;
color |= USART_recv();
LCD_fillRectangle(x, y, v, w, color);
break;
case 20: // draw text
x = USART_recv();
y = USART_recv();
// size
r = USART_recv();
// get integer color
color = USART_recv(); //store it and increment RX_read
color = color << 8;
color |= USART_recv();
// send string end with 0
LCD_drawString(NULL, x, y, r, color, USART_recv);
break;
}
break;
}
}
}
}
int main(void)
{
/* USER CODE BEGIN 1 */
/* USER CODE END 1 */
/* MCU Configuration----------------------------------------------------------*/
/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
HAL_Init();
/* Configure the system clock */
SystemClock_Config();
/* Initialize all configured peripherals */
MX_GPIO_Init();
MX_FSMC_Init();
MX_SPI1_Init();
MX_USART1_UART_Init();
/* USER CODE BEGIN 2 */
LCD_Init(LCD_ORIENTATION_PORTRAIT);
LCD_setFont(SmallFont);
LCD_setBackColor(VGA_BLACK);
LCD_fillScr(VGA_BLACK);
TSC2046_Init();
TSC2046_Calibration();
LCD_fillScr(VGA_BLACK);
/* USER CODE END 2 */
/* Infinite loop */
/* USER CODE BEGIN WHILE */
char buf[100];
int16_t xpos, ypos;
while (1)
{
/* USER CODE END WHILE */
/* USER CODE BEGIN 3 */
LCD_setColor(VGA_BLUE);
LCD_drawRect(0, 0, 10, 10);
while(!Is_Touhcing());
while (Is_Touhcing())
{
// read
xpos = TSC2046_Get_Position_X();
ypos = TSC2046_Get_Position_Y();
// clear
if (xpos > LCD_WIDTH - 20 && ypos > LCD_HEIGHT - 20)
{
LCD_fillScr(VGA_BLACK);
}
// print
sprintf(buf, "(x,y)=(%04d, %04d)", xpos, ypos);
LCD_setColor(VGA_RED);
LCD_setBackColor(VGA_BLACK);
LCD_print(buf, 20, 300, 0);
// draw pen
LCD_setColor(rand() | 0b0111101111101111);
LCD_fillCircle(xpos, ypos, 3);
// clear button
LCD_setColor(VGA_WHITE);
LCD_fillRect(LCD_WIDTH - 20, LCD_HEIGHT - 20, LCD_WIDTH - 1, LCD_HEIGHT - 1);
// pen indicator
LCD_setColor(VGA_GREEN);
LCD_drawRect(0, 0, 10, 10);
}
}
/* USER CODE END 3 */
}
