void display_button(int button) {
xSemaphoreTake(lcdLock, portMAX_DELAY);
GLCD_setTextColor(Black);
GLCD_drawRect(buttons[button].upper, buttons[button].right, buttons[button].lower-buttons[button].upper, buttons[button].left-buttons[button].right);
GLCD_displayChar(buttons[button].upper + 10, buttons[button].right + 20, *(buttons[button].text));
xSemaphoreGive(lcdLock);
}
/**
* Display one character, in pos y, x
* with color according to textCol (= text color)
* with size of y = line number
* with size of x = number of characters from left border
* (max 20 characters on one line)
*
* y = 0 -> first line, y = 2 -> second line....
*
* in this case input x=0 means the left border
* A small distance to the right will be added to x
*/
static void screenDisplayChar(int y, int x, unsigned short textCol, char c) {
unsigned char cOut;
cOut = c;
xSemaphoreTake(lcdLock, portMAX_DELAY);
GLCD_setTextColor(textCol);
GLCD_displayChar(y * 24, 304 - 16 * x, cOut);
xSemaphoreGive(lcdLock);
}
/*******************************************************************************
* Disply string on given line *
* Parameter: s*: pointer to string *
* ln: line number *
* Return: *
*******************************************************************************/
void GLCD_displayStringLn(unsigned int ln, unsigned char *s) {
unsigned int i = 0;
unsigned int refcolumn = (WIDTH/*-1*/)-16;
while ((*s != 0) & (i < 20)) /* write the string character by character on lCD */
{
GLCD_displayChar(ln, refcolumn, *s); /* Display one character on LCD */
refcolumn -= 16; /* Decrement the column position by 16 */
s++; /* Point on the next character */
i++; /* Increment the character counter */
}
}
/**
* help routine to display a grid on the screen
*
* type = 0 if characters
* type = 1 if numbers
* capsIn = 0 when characters and lower case characters shall be used
* capsIn = 1 when characters and capital charaters shall be used
*
*/
static void screenDisplayGrid(int type, int capsIn) {
//uint16_t x0 = 150;
//uint8_t y0 = 28;
//make longer lines when characters
uint16_t lengthH = (type) ? 210 : 290;
uint16_t lengthV = (type) ? 170 : 138;
//lower case characters are 32 above capital characters
int caps = (capsIn) ? 0 : 32;
int yD, yC, yE;
int xD, xC, xE;
int i;
xSemaphoreTake(lcdLock, portMAX_DELAY);
if(type == 0) {
//display characters
//first two lines with characters
for (i = 0; i < 19; i++)
GLCD_displayChar(38 + 50 * (i/10), 302 - 30 * (i % 10), 65 + i + caps);
//third line with characters
for (i = 0; i < 7; i++)
GLCD_displayChar(138, 302 - 30 * (i % 10), 84 + i + caps);
//decide where to draw Delete, Cancel and Enter
yD = yC = yE = 182;
xD = 302;
xC = 182;
xE = 80;
} else {
//display numbers
GLCD_displayChar(38, 278,'7');
GLCD_displayChar(38, 208,'8');
GLCD_displayChar(38, 138,'9');
GLCD_displayChar(88, 278,'4');
GLCD_displayChar(88, 208,'5');
GLCD_displayChar(88, 138,'6');
GLCD_displayChar(138, 278,'1');
GLCD_displayChar(138, 208,'2');
GLCD_displayChar(138, 138,'3');
GLCD_displayChar(188, 208,'0');
//decide where to draw Delete, Cancel and Enter
yD = 38;
yC = 88;
yE = 138;
xD = xC = xE = 74;
}
//draw Delete, starting in position yD, xD
GLCD_displayChar(yD, xD, 'D');
GLCD_displayChar(yD, xD - 14,'e');
GLCD_displayChar(yD, xD - 28,'l');
GLCD_displayChar(yD, xD - 42,'e');
GLCD_displayChar(yD, xD - 56,'t');
GLCD_displayChar(yD, xD - 70,'e');
//draw Cancel, starting in position yC, xC
GLCD_displayChar(yC, xC, 'C');
GLCD_displayChar(yC, xC - 14,'a');
GLCD_displayChar(yC, xC - 28,'n');
GLCD_displayChar(yC, xC - 42,'c');
GLCD_displayChar(yC, xC - 56,'e');
GLCD_displayChar(yC, xC - 70,'l');
//draw Enter, starting in posinio yE, xE
GLCD_displayChar(yE, xE, 'E');
GLCD_displayChar(yE, xE - 14,'n');
GLCD_displayChar(yE, xE - 28,'t');
GLCD_displayChar(yE, xE - 42,'e');
GLCD_displayChar(yE, xE - 56,'r');
//draw help lines
GLCD_drawLine(68, 315 - lengthH, lengthH, Horizontal);
GLCD_drawLine(118, 315 - lengthH, lengthH, Horizontal);
GLCD_drawLine(168, 315 - lengthH, lengthH, Horizontal);
if (type == 0) {
//add text: Caps
GLCD_displayChar(138, 80, 'S');
GLCD_displayChar(138, 66, 'p');
GLCD_displayChar(138, 52, 'a');
GLCD_displayChar(138, 38, 'c');
GLCD_displayChar(138, 24, 'e');
// add an filled arrow, down if caps now, up if lower case now
GLCD_displayChar( 88, 24, 133 + 2 * capsIn);
//draw verical lines for displayed characters
for (i = 0; i < 9; i++)
GLCD_drawLine(30, 295 - i * 30, lengthV - (i / 7) * 50, Vertical);
//special lines around Delete, Cancel and Enter
GLCD_drawLine(170, 315 - lengthH, lengthH, Horizontal);
GLCD_drawLine(210, 315 - lengthH, lengthH, Horizontal);
GLCD_drawLine(212, 315 - lengthH, lengthH, Horizontal);
for (i = 0; i < 2; i++) {
GLCD_drawLine(171, 108 + i * 108, 38, Vertical);
GLCD_drawLine(171, 110 + i * 108, 38, Vertical);
}
} else {
//draw vertical lines for displayed numbers
GLCD_drawLine(30, 245, lengthV, Vertical);
GLCD_drawLine(30, 175, lengthV, Vertical);
//special lines around Delete, Cancel and Enter
GLCD_drawLine(26, 0, 94, Horizontal);
GLCD_drawLine(28, 0, 92, Horizontal);
GLCD_drawLine(68, 0, 92, Horizontal);
GLCD_drawLine(70, 0, 92, Horizontal);
GLCD_drawLine(118, 0, 92, Horizontal);
GLCD_drawLine(120, 0, 92, Horizontal);
GLCD_drawLine(168, 0, 92, Horizontal);
GLCD_drawLine(170, 0, 94, Horizontal);
GLCD_drawLine(28, 92, 142, Vertical);
GLCD_drawLine(26, 94, 144, Vertical);
}
xSemaphoreGive(lcdLock);
}