void lcd_clear_all( void )
{
lcd_moveto_xy ( 0, 0 );
lcd_clear_area( 1, 132, NORMAL );
lcd_moveto_xy ( 1, 0 );
lcd_clear_area( 1, 132, NORMAL );
lcd_moveto_xy ( 2, 0 );
lcd_clear_area( 1, 132, NORMAL );
lcd_moveto_xy ( 3, 0 );
lcd_clear_area( 1, 132, NORMAL );
}
/******************************************************************************
* This function clears an area of the screen starting at the given coordinates
* pages - height of area in pages
* columns - width of area in pixels
* style - style modifier
* col - column of upper left corner
* page - page of upper left corner
* Cursor is moved to start of area after clear
*/
void lcd_clear_area_xy(uint8_t pages, uint8_t columns, uint8_t style, uint8_t page, uint8_t col) {
lcd_moveto_xy(page,col);
lcd_clear_area(pages,columns,style);
}
// Clears an entire text block. (rows of 8 pixels on the lcd)
void lcd_clear_line(unsigned char line)
{
lcd_clear_area(line, 0, LCD_WIDTH);
}
/* Clears an entire text block. (rows of 8 pixels on the lcd) */
void lcd_clear_line(unsigned char line)
{
lcd_clear_area(line, 1, LCD_X_RES);
}
void lcd_clear_line(unsigned int line) // Очистить строку (8 пиксилов по вертикали)
{
lcd_clear_area(line, 1, LCD_X_RES);
}
void cal_task( void * data)
{
// initialize LCD
lcd_clear_all();
lcd_init();
lcd_led_power(1);
// draw splash screen
lcd_text(32,10,3,"NFC",0);
lcd_text(12,40,1,"ipTronix Arrow NXP",0);
lcd_update(0,63);
// initialize pll
Si5351_Initialize();
// prepare new screen during splash wait
lcd_clear_all();
lcd_vert_line(10,63,64);
vTaskDelay(500);
// application main loop
for (;;)
{
int i;
int max = 0;
int maxval = 0;
for (i=0;i<128;i++)
{
Si5351_OutputFrequency((9560000+i*8000000/128)*25/24);
lcd_update(0,63);
vTaskDelay(1);
samples[i] = ADCRead(3);
if (i!=64)
lcd_clear_area(i,10,i,63);
lcd_vert_line(63-samples[i]*51/1023,63,i);
if (maxval<samples[i])
{
maxval = samples[i];
max = i;
}
if (GPIOGetPinValue( PIN_ISP ) == 0)
{
lcd_clear_all();
lcd_text(52,26,2,"ISP",0);
lcd_update(0,63);
NVIC_SystemReset();
}
if (GPIOGetPinValue( PIN_CAL_DET ) == 0)
{
NVIC_SystemReset();
}
}
char str[20];
float freq= 9.56+(float)max*8/128;
sprintf(str,"fmax = %2d.%03d MHz",(int)freq,((int)(freq*1000))%1000);
lcd_text(0, 0 , 0, str, 0);
lcd_update(0,63);
vTaskDelay(1500);
lcd_clear_all();
lcd_vert_line(10,63,64);
}
}