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#include "ch.h"
#include "hal.h"
#include "gdisp.h"
#include "touchpad.h"
#define COLOR_SIZE 20
#define PEN_SIZE 20
#define OFFSET 3
#define COLOR_BOX(a) (x >= a && x <= a + COLOR_SIZE)
#define PEN_BOX(a) (y >= a && y <= a + COLOR_SIZE)
#define GET_COLOR(a) (COLOR_BOX(a * COLOR_SIZE + OFFSET))
#define GET_PEN(a) (PEN_BOX(a * 2 * PEN_SIZE + OFFSET))
#define DRAW_COLOR(a) (a * COLOR_SIZE + OFFSET)
#define DRAW_PEN(a) (a * 2 * PEN_SIZE + OFFSET)
#define DRAW_AREA(x, y) (x >= PEN_SIZE + OFFSET + 3 && x <= gdispGetWidth() && \
y >= COLOR_SIZE + OFFSET + 3 && y <= gdispGetHeight())
static const SPIConfig spicfg = {
NULL,
TP_CS_PORT,
TP_CS,
/* SPI_CR1_BR_2 | */ SPI_CR1_BR_1 | SPI_CR1_BR_0,
};
TOUCHPADDriver TOUCHPADD1 = {
&SPID1,
&spicfg,
TP_IRQ_PORT,
TP_IRQ,
TRUE
};
void drawScreen(void) {
char *msg = "ChibiOS/GFX";
uint16_t colorsize = COLOR_SIZE;
uint16_t pensize = PEN_SIZE;
gdispSetOrientation(landscape);
gdispClear(White);
gdispDrawString(gdispGetWidth()-gdispGetStringWidth(msg, &fontUI2Double)-3, 3, msg, &fontUI2Double, Black);
/* colors */
gdispFillArea(0 * COLOR_SIZE + 3, 3, COLOR_SIZE, COLOR_SIZE, Black); /* Black */
gdispFillArea(1 * COLOR_SIZE + 3, 3, COLOR_SIZE, COLOR_SIZE, Red); /* Red */
gdispFillArea(2 * COLOR_SIZE + 3, 3, COLOR_SIZE, COLOR_SIZE, Yellow); /* Yellow */
gdispFillArea(3 * COLOR_SIZE + 3, 3, COLOR_SIZE, COLOR_SIZE, Green); /* Green */
gdispFillArea(4 * COLOR_SIZE + 3, 3, COLOR_SIZE, COLOR_SIZE, Blue); /* Blue */
gdispDrawBox (5 * COLOR_SIZE + 3, 3, COLOR_SIZE, COLOR_SIZE, Black); /* White */
/* pens */
gdispDrawString(OFFSET * 2, DRAW_PEN(1), "1", &fontLargeNumbers, Black);
gdispDrawString(OFFSET * 2, DRAW_PEN(2), "2", &fontLargeNumbers, Black);
gdispDrawString(OFFSET * 2, DRAW_PEN(3), "3", &fontLargeNumbers, Black);
gdispDrawString(OFFSET * 2, DRAW_PEN(4), "4", &fontLargeNumbers, Black);
gdispDrawString(OFFSET * 2, DRAW_PEN(5), "5", &fontLargeNumbers, Black);
}
int main(void) {
volatile uint16_t x, y;
color_t color = Black;
uint16_t pen = 0;
halInit();
chSysInit();
gdispInit();
tpInit(&TOUCHPADD1);
tpCalibrate();
drawScreen();
while (TRUE) {
x = tpReadX();
y = tpReadY();
/* inside color box ? */
if(y >= OFFSET && y <= COLOR_SIZE) {
if(GET_COLOR(0)) color = Black;
else if(GET_COLOR(1)) color = Red;
else if(GET_COLOR(2)) color = Yellow;
else if(GET_COLOR(3)) color = Green;
else if(GET_COLOR(4)) color = Blue;
else if(GET_COLOR(5)) color = White;
/* inside pen box ? */
} else if(x >= OFFSET && x <= PEN_SIZE) {
if(GET_PEN(1)) pen = 0;
else if(GET_PEN(2)) pen = 1;
else if(GET_PEN(3)) pen = 2;
else if(GET_PEN(4)) pen = 3;
else if(GET_PEN(5)) pen = 4;
/* inside drawing area ? */
} else if(DRAW_AREA(x, y)) {
if(pen == 0)
gdispDrawPixel(x, y, color);
else
gdispFillCircle(x, y, pen, color);
}
}
}
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