125 lines
3.0 KiB
C++
125 lines
3.0 KiB
C++
#include "pico/stdlib.h"
|
|
#include "libraries/pico_graphics/pico_graphics.hpp"
|
|
#include "libraries/gfx_pack/gfx_pack.hpp"
|
|
|
|
using namespace pimoroni;
|
|
|
|
ST7567 st7567(128, 64, GfxPack::gfx_pack_pins);
|
|
PicoGraphics_Pen1Bit graphics(st7567.width, st7567.height, nullptr);
|
|
RGBLED backlight_rgb(GfxPack::BL_R, GfxPack::BL_G, GfxPack::BL_B, Polarity::ACTIVE_HIGH);
|
|
Button button_a(GfxPack::A);
|
|
Button button_b(GfxPack::B);
|
|
Button button_c(GfxPack::C);
|
|
Button button_d(GfxPack::D);
|
|
Button button_e(GfxPack::E);
|
|
|
|
// HSV Conversion expects float inputs in the range of 0.00-1.00 for each channel
|
|
// Outputs are rgb in the range 0-255 for each channel
|
|
void from_hsv(float h, float s, float v, uint8_t &r, uint8_t &g, uint8_t &b) {
|
|
float i = floor(h * 6.0f);
|
|
float f = h * 6.0f - i;
|
|
v *= 255.0f;
|
|
uint8_t p = v * (1.0f - s);
|
|
uint8_t q = v * (1.0f - f * s);
|
|
uint8_t t = v * (1.0f - (1.0f - f) * s);
|
|
|
|
switch (int(i) % 6) {
|
|
case 0: r = v; g = t; b = p; break;
|
|
case 1: r = q; g = v; b = p; break;
|
|
case 2: r = p; g = v; b = t; break;
|
|
case 3: r = p; g = q; b = v; break;
|
|
case 4: r = t; g = p; b = v; break;
|
|
case 5: r = v; g = p; b = q; break;
|
|
}
|
|
}
|
|
|
|
int main() {
|
|
sleep_ms(100);
|
|
|
|
st7567.set_backlight(64); // 0 to 255
|
|
|
|
struct pt {
|
|
float x;
|
|
float y;
|
|
uint8_t r;
|
|
float dx;
|
|
float dy;
|
|
uint16_t pen;
|
|
};
|
|
|
|
std::vector<pt> shapes;
|
|
for(int i = 0; i < 10; i++) {
|
|
pt shape;
|
|
shape.x = rand() % graphics.bounds.w;
|
|
shape.y = rand() % graphics.bounds.h;
|
|
shape.r = (rand() % 10) + 3;
|
|
shape.dx = float(rand() % 255) / 64.0f;
|
|
shape.dy = float(rand() % 255) / 64.0f;
|
|
shape.pen = rand() % 14;
|
|
shapes.push_back(shape);
|
|
}
|
|
|
|
Point text_location(0, 0);
|
|
|
|
float hue = 0.0f;
|
|
while(true) {
|
|
if(button_a.raw()) {
|
|
text_location.x -= 1;
|
|
}
|
|
if(button_b.raw()) {
|
|
text_location.x += 1;
|
|
}
|
|
|
|
if(button_c.raw()) {
|
|
text_location.y -= 1;
|
|
}
|
|
if(button_d.raw()) {
|
|
text_location.y += 1;
|
|
}
|
|
|
|
if(button_e.raw()) {
|
|
text_location.x = 0;
|
|
text_location.y = 0;
|
|
}
|
|
|
|
graphics.set_pen(0);
|
|
graphics.clear();
|
|
|
|
for(auto &shape : shapes) {
|
|
shape.x += shape.dx;
|
|
shape.y += shape.dy;
|
|
if((shape.x - shape.r) < 0) {
|
|
shape.dx *= -1;
|
|
shape.x = shape.r;
|
|
}
|
|
if((shape.x + shape.r) >= graphics.bounds.w) {
|
|
shape.dx *= -1;
|
|
shape.x = graphics.bounds.w - shape.r;
|
|
}
|
|
if((shape.y - shape.r) < 0) {
|
|
shape.dy *= -1;
|
|
shape.y = shape.r;
|
|
}
|
|
if((shape.y + shape.r) >= graphics.bounds.h) {
|
|
shape.dy *= -1;
|
|
shape.y = graphics.bounds.h - shape.r;
|
|
}
|
|
|
|
graphics.set_pen(shape.pen);
|
|
graphics.circle(Point(shape.x, shape.y), shape.r);
|
|
|
|
}
|
|
|
|
graphics.set_pen(15);
|
|
graphics.text("Hello World", text_location, 320);
|
|
|
|
// update screen
|
|
backlight_rgb.set_hsv(hue, 1.0f, 1.0f);
|
|
hue += 0.002;
|
|
st7567.update(&graphics);
|
|
sleep_ms(1000/15);
|
|
}
|
|
|
|
return 0;
|
|
}
|