Add C++ examples for Stellar, and fix init
This commit is contained in:
ZodiusInfuser
parent
68f610184f
commit
7aa75e57a4
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add_executable(
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stellar_rainbow_text
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stellar_rainbow_text.cpp
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)
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# Pull in pico libraries that we need
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target_link_libraries(stellar_rainbow_text pico_stdlib hardware_pio hardware_adc hardware_dma pico_graphics stellar_unicorn)
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pico_enable_stdio_usb(stellar_rainbow_text 1)
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# create map/bin/hex file etc.
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pico_add_extra_outputs(stellar_rainbow_text)
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add_executable(
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stellar_rainbow
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stellar_rainbow.cpp
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)
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# Pull in pico libraries that we need
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target_link_libraries(stellar_rainbow pico_stdlib hardware_pio hardware_adc hardware_dma pico_graphics stellar_unicorn)
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pico_enable_stdio_usb(stellar_rainbow 1)
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# create map/bin/hex file etc.
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pico_add_extra_outputs(stellar_rainbow)
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add_executable(
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stellar_eighties_super_computer
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stellar_eighties_super_computer.cpp
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)
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# Pull in pico libraries that we need
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target_link_libraries(stellar_eighties_super_computer pico_stdlib hardware_pio hardware_adc hardware_dma pico_graphics stellar_unicorn)
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pico_enable_stdio_usb(stellar_eighties_super_computer 1)
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# create map/bin/hex file etc.
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pico_add_extra_outputs(stellar_eighties_super_computer)
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add_executable(
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stellar_fire_effect
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stellar_fire_effect.cpp
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)
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# Pull in pico libraries that we need
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target_link_libraries(stellar_fire_effect pico_stdlib hardware_pio hardware_adc hardware_dma pico_graphics stellar_unicorn)
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pico_enable_stdio_usb(stellar_fire_effect 1)
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# create map/bin/hex file etc.
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pico_add_extra_outputs(stellar_fire_effect)
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add_executable(
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stellar_scroll_text
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stellar_scroll_text.cpp
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)
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# Pull in pico libraries that we need
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target_link_libraries(stellar_scroll_text pico_stdlib hardware_pio hardware_adc hardware_dma pico_graphics stellar_unicorn)
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pico_enable_stdio_usb(stellar_scroll_text 1)
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# create map/bin/hex file etc.
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pico_add_extra_outputs(stellar_scroll_text)
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add_executable(
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stellar_lava_lamp
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stellar_lava_lamp.cpp
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)
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# Pull in pico libraries that we need
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target_link_libraries(stellar_lava_lamp pico_stdlib hardware_pio hardware_adc hardware_dma pico_graphics stellar_unicorn)
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pico_enable_stdio_usb(stellar_lava_lamp 1)
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# create map/bin/hex file etc.
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pico_add_extra_outputs(stellar_lava_lamp)
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File diff suppressed because it is too large
Load Diff
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#include <stdio.h>
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#include <stdlib.h>
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#include <math.h>
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#include "pico/stdlib.h"
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#include "libraries/pico_graphics/pico_graphics.hpp"
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#include "stellar_unicorn.hpp"
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using namespace pimoroni;
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PicoGraphics_PenRGB888 graphics(16, 16, nullptr);
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StellarUnicorn stellar_unicorn;
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float lifetime[16][16];
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float age[16][16];
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int main() {
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stdio_init_all();
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for(int y = 0; y < 16; y++) {
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for(int x = 0; x < 16; x++) {
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lifetime[x][y] = 1.0f + ((rand() % 10) / 100.0f);
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age[x][y] = ((rand() % 100) / 100.0f) * lifetime[x][y];
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}
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}
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stellar_unicorn.init();
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while(true) {
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if(stellar_unicorn.is_pressed(stellar_unicorn.SWITCH_BRIGHTNESS_UP)) {
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stellar_unicorn.adjust_brightness(+0.01);
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}
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if(stellar_unicorn.is_pressed(stellar_unicorn.SWITCH_BRIGHTNESS_DOWN)) {
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stellar_unicorn.adjust_brightness(-0.01);
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}
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graphics.set_pen(0, 0, 0);
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graphics.clear();
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for(int y = 0; y < 16; y++) {
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for(int x = 0; x < 16; x++) {
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if(age[x][y] < lifetime[x][y] * 0.3f) {
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graphics.set_pen(230, 150, 0);
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graphics.pixel(Point(x, y));
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}else if(age[x][y] < lifetime[x][y] * 0.5f) {
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float decay = (lifetime[x][y] * 0.5f - age[x][y]) * 5.0f;
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graphics.set_pen(decay * 230, decay * 150, 0);
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graphics.pixel(Point(x, y));
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}
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if(age[x][y] >= lifetime[x][y]) {
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age[x][y] = 0.0f;
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lifetime[x][y] = 1.0f + ((rand() % 10) / 100.0f);
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}
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age[x][y] += 0.01f;
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}
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}
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stellar_unicorn.update(&graphics);
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sleep_ms(10);
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}
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return 0;
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}
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#include <stdio.h>
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#include <stdlib.h>
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#include <math.h>
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#include <string.h>
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#include "pico/stdlib.h"
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#include "libraries/pico_graphics/pico_graphics.hpp"
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#include "stellar_unicorn.hpp"
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using namespace pimoroni;
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PicoGraphics_PenRGB888 graphics(16, 16, nullptr);
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StellarUnicorn stellar_unicorn;
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// extra row of pixels for sourcing flames and averaging
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int width = 16;
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int height = 17;
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// a buffer that's at least big enough to store 55 x 15 values (to allow for both orientations)
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float heat[2000] = {0.0f};
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void set(int x, int y, float v) {
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heat[x + y * width] = v;
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}
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float get(int x, int y) {
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/*if(x < 0 || x >= width || y < 0 || y >= height) {
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return 0.0f;
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}*/
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x = x < 0 ? 0 : x;
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x = x >= width ? width - 1 : x;
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return heat[x + y * width];
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}
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int main() {
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stdio_init_all();
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stellar_unicorn.init();
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stellar_unicorn.set_brightness(0.2);
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bool landscape = true;
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/*
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while(true) {
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stellar_unicorn.set_pixel(0, 0, 255, 0, 0);
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stellar_unicorn.set_pixel(1, 1, 0, 255, 0);
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stellar_unicorn.set_pixel(2, 2, 0, 0, 255);
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}*/
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while(true) {
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if(stellar_unicorn.is_pressed(stellar_unicorn.SWITCH_BRIGHTNESS_UP)) {
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stellar_unicorn.adjust_brightness(+0.01);
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}
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if(stellar_unicorn.is_pressed(stellar_unicorn.SWITCH_BRIGHTNESS_DOWN)) {
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stellar_unicorn.adjust_brightness(-0.01);
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}
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for(int y = 0; y < height; y++) {
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for(int x = 0; x < width; x++) {
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float value = get(x, y);
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graphics.set_pen(0, 0, 0);
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if(value > 0.5f) {
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graphics.set_pen(255, 255, 180);
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}else if(value > 0.4f) {
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graphics.set_pen(220, 160, 0);
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}else if(value > 0.3f) {
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graphics.set_pen(180, 30, 0);
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}else if(value > 0.22f) {
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graphics.set_pen(20, 20, 20);
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}
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if(landscape) {
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graphics.pixel(Point(x, y));
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}else{
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graphics.pixel(Point(y, x));
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}
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// update this pixel by averaging the below pixels
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float average = (get(x, y) + get(x, y + 2) + get(x, y + 1) + get(x - 1, y + 1) + get(x + 1, y + 1)) / 5.0f;
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// damping factor to ensure flame tapers out towards the top of the displays
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average *= 0.95f;
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// update the heat map with our newly averaged value
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set(x, y, average);
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}
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}
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stellar_unicorn.update(&graphics);
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// clear the bottom row and then add a new fire seed to it
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for(int x = 0; x < width; x++) {
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set(x, height - 1, 0.0f);
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}
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// add a new random heat source
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int source_count = landscape ? 5 : 1;
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for(int c = 0; c < source_count; c++) {
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int px = (rand() % (width - 4)) + 2;
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set(px , height - 2, 1.0f);
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set(px + 1, height - 2, 1.0f);
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set(px - 1, height - 2, 1.0f);
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set(px , height - 1, 1.0f);
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set(px + 1, height - 1, 1.0f);
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set(px - 1, height - 1, 1.0f);
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}
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sleep_ms(20);
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}
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return 0;
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}
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#include <stdio.h>
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#include <stdlib.h>
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#include <math.h>
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#include "pico/stdlib.h"
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#include "libraries/pico_graphics/pico_graphics.hpp"
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#include "stellar_unicorn.hpp"
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using namespace pimoroni;
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PicoGraphics_PenRGB888 graphics(16, 16, nullptr);
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StellarUnicorn stellar_unicorn;
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// HSV Conversion expects float inputs in the range of 0.00-1.00 for each channel
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// Outputs are rgb in the range 0-255 for each channel
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void from_hsv(float h, float s, float v, uint8_t &r, uint8_t &g, uint8_t &b) {
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float i = floor(h * 6.0f);
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float f = h * 6.0f - i;
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v *= 255.0f;
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uint8_t p = v * (1.0f - s);
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uint8_t q = v * (1.0f - f * s);
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uint8_t t = v * (1.0f - (1.0f - f) * s);
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switch (int(i) % 6) {
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case 0: r = v; g = t; b = p; break;
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case 1: r = q; g = v; b = p; break;
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case 2: r = p; g = v; b = t; break;
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case 3: r = p; g = q; b = v; break;
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case 4: r = t; g = p; b = v; break;
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case 5: r = v; g = p; b = q; break;
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}
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}
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struct blob_t {
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float x, y;
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float r;
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float dx, dy;
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};
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constexpr int blob_count = 20;
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int main() {
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stdio_init_all();
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stellar_unicorn.init();
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stellar_unicorn.set_brightness(0.5);
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// randomise blob start positions, directions, and size
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std::array<blob_t, blob_count> blobs;
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for(auto &blob : blobs) {
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blob.x = rand() % 16;
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blob.y = rand() % 16;
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blob.r = ((rand() % 40) / 10.0f) + 5.0f;
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blob.dx = ((rand() % 2) / 10.0f) - 0.05f;
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blob.dy = ((rand() % 3) / 10.0f) - 0.1f;
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}
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float hue = 0.0f;
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while(true) {
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// allow user to adjust brightness
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if(stellar_unicorn.is_pressed(stellar_unicorn.SWITCH_BRIGHTNESS_UP)) {
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stellar_unicorn.adjust_brightness(+0.01);
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}
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if(stellar_unicorn.is_pressed(stellar_unicorn.SWITCH_BRIGHTNESS_DOWN)) {
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stellar_unicorn.adjust_brightness(-0.01);
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}
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uint start_ms = to_ms_since_boot(get_absolute_time());
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// calculate the influence of each blob on the liquid based
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// on their distance to each pixel. this causes blobs to
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// "merge" into each other when we use fixed thresholds to
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// determine which colour to draw with
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float liquid[16][16] = {0.0f};
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for(auto &blob : blobs) {
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float r_sq = blob.r * blob.r;
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for(int y = 0; y < 16; y++) {
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for(int x = 0; x < 16; x++) {
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float d_sq = (x - blob.x) * (x - blob.x) + (y - blob.y) * (y - blob.y);
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if(d_sq <= r_sq) {
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// add this blobs influence to this pixel
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liquid[x][y] += 1.0f - (d_sq / r_sq);
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}
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}
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}
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}
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// update the blob positions
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for(auto &blob : blobs) {
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blob.x += blob.dx;
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blob.y += blob.dy;
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// if we hit the edge then bounce!
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if(blob.x < 0.0f || blob.x >= 11.0f) {
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blob.dx *= -1.0f;
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}
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if(blob.y < 0.0f || blob.y >= 53.0f) {
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blob.dy *= -1.0f;
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}
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}
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// rotate the hue
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hue += 0.001f;
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// calculate dark, medium, and bright shades for rendering the
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// lava
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uint8_t dark_r, dark_g, dark_b;
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from_hsv(hue, 1.0f, 0.3f, dark_r, dark_g, dark_b);
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uint8_t mid_r, mid_g, mid_b;
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from_hsv(hue, 1.0f, 0.6f, mid_r, mid_g, mid_b);
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uint8_t bright_r, bright_g, bright_b;
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from_hsv(hue, 1.0f, 1.0f, bright_r, bright_g, bright_b);
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// clear the canvas
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graphics.set_pen(0, 0, 0);
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graphics.clear();
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// render the lava
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for(int y = 0; y < 16; y++) {
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for(int x = 0; x < 16; x++) {
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float v = liquid[x][y];
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// select a colour for this pixel based on how much
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// "blobfluence" there is at this position in the liquid
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if(v >= 1.5f) {
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graphics.set_pen(bright_r, bright_g, bright_b);
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graphics.pixel(Point(y, x));
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}else if(v >= 1.25f) {
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graphics.set_pen(mid_r, mid_g, mid_b);
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graphics.pixel(Point(y, x));
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}else if(v >= 1.0f) {
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graphics.set_pen(dark_r, dark_g, dark_b);
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graphics.pixel(Point(y, x));
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}
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}
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}
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uint end_ms = to_ms_since_boot(get_absolute_time());
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printf("rendering took %dms\n", end_ms - start_ms);
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stellar_unicorn.update(&graphics);
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}
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return 0;
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}
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#include <stdio.h>
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#include <stdlib.h>
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#include <math.h>
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#include "pico/stdlib.h"
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#include "libraries/pico_graphics/pico_graphics.hpp"
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#include "stellar_unicorn.hpp"
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using namespace pimoroni;
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PicoGraphics_PenRGB888 graphics(16, 16, nullptr);
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StellarUnicorn stellar_unicorn;
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// HSV Conversion expects float inputs in the range of 0.00-1.00 for each channel
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// Outputs are rgb in the range 0-255 for each channel
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void from_hsv(float h, float s, float v, uint8_t &r, uint8_t &g, uint8_t &b) {
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float i = floor(h * 6.0f);
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float f = h * 6.0f - i;
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v *= 255.0f;
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uint8_t p = v * (1.0f - s);
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uint8_t q = v * (1.0f - f * s);
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uint8_t t = v * (1.0f - (1.0f - f) * s);
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switch (int(i) % 6) {
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case 0: r = v; g = t; b = p; break;
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case 1: r = q; g = v; b = p; break;
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case 2: r = p; g = v; b = t; break;
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case 3: r = p; g = q; b = v; break;
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case 4: r = t; g = p; b = v; break;
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case 5: r = v; g = p; b = q; break;
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}
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}
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void text(std::string t, Point p, float s = 1.0f, float a = 1.0f) {
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int w = graphics.measure_text(t, s);
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p.x += (53 / 2) - (w / 2);
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p.y += (11 / 2);
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graphics.text(t, Point(p.x, p.y), -1, s, a);
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//graphics.text(t, Point(p.x + 1, p.y), -1, s, a);
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//graphics.text(t, Point(p.x + 1, p.y + 1), -1, s, a);
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//graphics.text(t, Point(p.x, p.y + 1), -1, s, a);
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}
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struct star_t {
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float dx, dy, x, y, a;
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uint8_t brightness() {
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||||
int b = a / 5;
|
||||
return b > 15 ? 15 : b;
|
||||
}
|
||||
};
|
||||
|
||||
void init_star(star_t &s) {
|
||||
s.x = ((rand() % 100) / 5.0f) - 10.0f;
|
||||
s.y = ((rand() % 100) / 10.0f) - 5.0f;
|
||||
|
||||
s.dx = s.x / 10.0f;
|
||||
s.dy = s.y / 10.0f;
|
||||
s.a = 0;
|
||||
}
|
||||
|
||||
void step_star(star_t &s) {
|
||||
s.x += s.dx;
|
||||
s.y += s.dy;
|
||||
s.a++;
|
||||
|
||||
if(s.a > 100) {
|
||||
init_star(s);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
int main() {
|
||||
|
||||
stdio_init_all();
|
||||
|
||||
uint8_t hue_map[16][3];
|
||||
for(int i = 0; i < 16; i++) {
|
||||
from_hsv(i / 16.0f, 1.0f, 1.0f, hue_map[i][0], hue_map[i][1], hue_map[i][2]);
|
||||
}
|
||||
|
||||
star_t stars[100];
|
||||
for(int i = 0; i < 100; i++) {
|
||||
init_star(stars[i]);
|
||||
stars[i].a = i;
|
||||
}
|
||||
|
||||
gpio_set_function(28, GPIO_FUNC_SIO);
|
||||
gpio_set_dir(28, GPIO_OUT);
|
||||
|
||||
for(int i = 0; i < 10; i++) {
|
||||
gpio_put(28, !gpio_get(28));
|
||||
sleep_ms(100);
|
||||
}
|
||||
sleep_ms(1000);
|
||||
|
||||
gpio_put(28,true);
|
||||
|
||||
stellar_unicorn.init();
|
||||
|
||||
|
||||
|
||||
float i = 0;
|
||||
|
||||
float hue_offset = 0.0f;
|
||||
|
||||
bool animate = true;
|
||||
|
||||
float stripe_width = 3.0f;
|
||||
float speed = 1.0f;
|
||||
float curve = 0.0f;
|
||||
|
||||
while(true) {
|
||||
|
||||
if(animate) {
|
||||
i += speed;
|
||||
}
|
||||
|
||||
if(stellar_unicorn.is_pressed(stellar_unicorn.SWITCH_VOLUME_UP)) {
|
||||
curve += 0.05;
|
||||
if(hue_offset > 1.0f) hue_offset = 1.0f;
|
||||
}
|
||||
if(stellar_unicorn.is_pressed(stellar_unicorn.SWITCH_VOLUME_DOWN)) {
|
||||
curve -= 0.05;
|
||||
if(hue_offset < 0.0f) hue_offset = 0.0f;
|
||||
}
|
||||
|
||||
if(stellar_unicorn.is_pressed(stellar_unicorn.SWITCH_BRIGHTNESS_UP)) {
|
||||
stellar_unicorn.adjust_brightness(+0.01);
|
||||
}
|
||||
if(stellar_unicorn.is_pressed(stellar_unicorn.SWITCH_BRIGHTNESS_DOWN)) {
|
||||
stellar_unicorn.adjust_brightness(-0.01);
|
||||
}
|
||||
|
||||
if(stellar_unicorn.is_pressed(stellar_unicorn.SWITCH_SLEEP)) {
|
||||
animate = false;
|
||||
}
|
||||
|
||||
if(stellar_unicorn.is_pressed(stellar_unicorn.SWITCH_A)) {
|
||||
speed += 0.05f;
|
||||
speed = speed >= 10.0f ? 10.0f : speed;
|
||||
animate = true;
|
||||
}
|
||||
|
||||
if(stellar_unicorn.is_pressed(stellar_unicorn.SWITCH_B)) {
|
||||
speed -= 0.05f;
|
||||
speed = speed <= 0.0f ? 0.0f : speed;
|
||||
animate = true;
|
||||
}
|
||||
|
||||
if(stellar_unicorn.is_pressed(stellar_unicorn.SWITCH_C)) {
|
||||
stripe_width += 0.05f;
|
||||
stripe_width = stripe_width >= 10.0f ? 10.0f : stripe_width;
|
||||
}
|
||||
|
||||
if(stellar_unicorn.is_pressed(stellar_unicorn.SWITCH_D)) {
|
||||
stripe_width -= 0.05f;
|
||||
stripe_width = stripe_width <= 1.0f ? 1.0f : stripe_width;
|
||||
}
|
||||
|
||||
for(int x = 0; x < 16; x++) {
|
||||
for(int y = 0; y < 16; y++) {
|
||||
int v = ((sin((x + y) / stripe_width + (sin((y * 3.1415927f * 2.0f) / 11.0f) * curve) + i / 15.0f) + 1.5f) / 2.5f) * 255.0f;
|
||||
|
||||
uint8_t r = (hue_map[x][0] * v) / 256;
|
||||
uint8_t g = (hue_map[x][1] * v) / 256;
|
||||
uint8_t b = (hue_map[x][2] * v) / 256;
|
||||
|
||||
graphics.set_pen(r, g, b);
|
||||
graphics.pixel(Point(x, y));
|
||||
}
|
||||
}
|
||||
stellar_unicorn.update(&graphics);
|
||||
|
||||
printf("%d\n", stellar_unicorn.light());
|
||||
sleep_ms(20);
|
||||
}
|
||||
|
||||
|
||||
|
||||
printf("done\n");
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -0,0 +1,102 @@
|
|||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <math.h>
|
||||
#include "pico/stdlib.h"
|
||||
|
||||
#include "libraries/pico_graphics/pico_graphics.hpp"
|
||||
#include "stellar_unicorn.hpp"
|
||||
|
||||
using namespace pimoroni;
|
||||
|
||||
PicoGraphics_PenRGB888 graphics(16, 16, nullptr);
|
||||
StellarUnicorn stellar_unicorn;
|
||||
|
||||
// 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;
|
||||
}
|
||||
}
|
||||
|
||||
void text(std::string t, Point p, float s = 1.0f, float a = 1.0f) {
|
||||
int w = graphics.measure_text(t, s);
|
||||
p.x += (16 / 2) - (w / 2);
|
||||
p.y += (16 / 2);
|
||||
graphics.text(t, Point(p.x, p.y), -1, s, a);
|
||||
graphics.text(t, Point(p.x + 1, p.y), -1, s, a);
|
||||
graphics.text(t, Point(p.x + 1, p.y + 1), -1, s, a);
|
||||
graphics.text(t, Point(p.x, p.y + 1), -1, s, a);
|
||||
}
|
||||
|
||||
|
||||
int main() {
|
||||
uint8_t hue_map[16][3];
|
||||
for(int i = 0; i < 16; i++) {
|
||||
from_hsv(i / 16.0f, 1.0f, 0.5f, hue_map[i][0], hue_map[i][1], hue_map[i][2]);
|
||||
}
|
||||
|
||||
stellar_unicorn.init();
|
||||
|
||||
graphics.set_font("sans");
|
||||
uint i = 0;
|
||||
|
||||
while(true) {
|
||||
|
||||
if(stellar_unicorn.is_pressed(stellar_unicorn.SWITCH_BRIGHTNESS_UP)) {
|
||||
stellar_unicorn.adjust_brightness(+0.01);
|
||||
}
|
||||
if(stellar_unicorn.is_pressed(stellar_unicorn.SWITCH_BRIGHTNESS_DOWN)) {
|
||||
stellar_unicorn.adjust_brightness(-0.01);
|
||||
}
|
||||
|
||||
i++;
|
||||
|
||||
graphics.set_pen(0, 0, 0);
|
||||
graphics.clear();
|
||||
|
||||
float s = 0.4f;//0.65f + (sin(i / 25.0f) * 0.15f);
|
||||
float a = 1.0f;// (sin(i / 25.0f) * 100.0f);
|
||||
|
||||
float x = (sin((i) / 50.0f) * 45.0f);
|
||||
float y = (cos((i) / 40.0f) * 2.5f);
|
||||
graphics.set_pen(255, 255, 255);
|
||||
text("Galactic Unicorn", Point(x, y), s, a);
|
||||
uint8_t *p = (uint8_t *)graphics.frame_buffer;
|
||||
for(size_t i = 0; i < 16 * 16; i++) {
|
||||
int x = i % 16;
|
||||
int y = i / 16;
|
||||
uint r = *p++;
|
||||
uint g = *p++;
|
||||
uint b = *p++;
|
||||
p++;
|
||||
|
||||
if(r > 0) {
|
||||
r = hue_map[x][0];
|
||||
g = hue_map[x][1];
|
||||
b = hue_map[x][2];
|
||||
}
|
||||
|
||||
graphics.set_pen(r, g, b);
|
||||
graphics.pixel(Point(x, y));
|
||||
}
|
||||
|
||||
stellar_unicorn.update(&graphics);
|
||||
}
|
||||
|
||||
printf("done\n");
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -0,0 +1,76 @@
|
|||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <math.h>
|
||||
#include "pico/stdlib.h"
|
||||
|
||||
#include "libraries/pico_graphics/pico_graphics.hpp"
|
||||
#include "stellar_unicorn.hpp"
|
||||
|
||||
using namespace pimoroni;
|
||||
|
||||
PicoGraphics_PenRGB888 graphics(16, 16, nullptr);
|
||||
StellarUnicorn stellar_unicorn;
|
||||
|
||||
std::string message = "Pirate. Monkey. Robot. Ninja.";
|
||||
|
||||
// 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() {
|
||||
|
||||
stdio_init_all();
|
||||
|
||||
stellar_unicorn.init();
|
||||
|
||||
float scroll = -16.0f;
|
||||
|
||||
while(true) {
|
||||
//uint time_ms = to_ms_since_boot(get_absolute_time());
|
||||
|
||||
if(stellar_unicorn.is_pressed(stellar_unicorn.SWITCH_BRIGHTNESS_UP)) {
|
||||
stellar_unicorn.adjust_brightness(+0.01);
|
||||
}
|
||||
if(stellar_unicorn.is_pressed(stellar_unicorn.SWITCH_BRIGHTNESS_DOWN)) {
|
||||
stellar_unicorn.adjust_brightness(-0.01);
|
||||
}
|
||||
|
||||
int width = graphics.measure_text(message, 1);
|
||||
scroll += 0.125f;
|
||||
|
||||
if(scroll > width) {
|
||||
scroll = -16.0f;
|
||||
}
|
||||
|
||||
graphics.set_pen(0, 0, 0);
|
||||
graphics.clear();
|
||||
|
||||
uint8_t r = 0, g = 0, b = 0;
|
||||
from_hsv(scroll / 100.0f, 1.0f, 0.5f, r, g, b);
|
||||
graphics.set_pen(r, g, b);
|
||||
graphics.text(message, Point(0 - scroll, 5), -1, 0.55);
|
||||
|
||||
stellar_unicorn.update(&graphics);
|
||||
|
||||
sleep_ms(10);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
|
@ -138,11 +138,11 @@ namespace pimoroni {
|
|||
|
||||
// for each row:
|
||||
// for each bcd frame:
|
||||
// 0: 00111111 // row pixel count (minus one)
|
||||
// 1 - 64: xxxxxbgr, xxxxxbgr, xxxxxbgr, ... // pixel data
|
||||
// 65 - 67: xxxxxxxx, xxxxxxxx, xxxxxxxx // dummy bytes to dword align
|
||||
// 68: xxxrrrrr // row select bits
|
||||
// 69 - 71: tttttttt, tttttttt, tttttttt // bcd tick count (0-65536)
|
||||
// 0: 00011111 // row pixel count (minus one)
|
||||
// 1 - 16: xxxxxbgr, xxxxxbgr, xxxxxbgr, ... // pixel data
|
||||
// 17 - 19: xxxxxxxx, xxxxxxxx, xxxxxxxx // dummy bytes to dword align
|
||||
// 20: xxxrrrrr // row select bits
|
||||
// 21 - 23: tttttttt, tttttttt, tttttttt // bcd tick count (0-65536)
|
||||
//
|
||||
// .. and back to the start
|
||||
|
||||
|
|
@ -153,15 +153,15 @@ namespace pimoroni {
|
|||
// find the offset of this row and frame in the bitstream
|
||||
uint8_t *p = &bitstream[row * ROW_BYTES + (BCD_FRAME_BYTES * frame)];
|
||||
|
||||
p[ 0] = 32 - 1; // row pixel count
|
||||
p[ 0] = 16 - 1; // row pixel count
|
||||
p[ 1] = row; // row select
|
||||
|
||||
// set the number of bcd ticks for this frame
|
||||
uint32_t bcd_ticks = (1 << frame);
|
||||
p[36] = (bcd_ticks & 0xff) >> 0;
|
||||
p[37] = (bcd_ticks & 0xff00) >> 8;
|
||||
p[38] = (bcd_ticks & 0xff0000) >> 16;
|
||||
p[39] = (bcd_ticks & 0xff000000) >> 24;
|
||||
p[20] = (bcd_ticks & 0xff) >> 0;
|
||||
p[21] = (bcd_ticks & 0xff00) >> 8;
|
||||
p[22] = (bcd_ticks & 0xff0000) >> 16;
|
||||
p[23] = (bcd_ticks & 0xff000000) >> 24;
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -531,8 +531,8 @@ namespace pimoroni {
|
|||
if(graphics->pen_type == PicoGraphics::PEN_RGB888) {
|
||||
uint32_t *p = (uint32_t *)graphics->frame_buffer;
|
||||
|
||||
for(int y = 0; y < 32; y++) {
|
||||
for(int x = 0; x < 32; x++) {
|
||||
for(int y = 0; y < 16; y++) {
|
||||
for(int x = 0; x < 16; x++) {
|
||||
uint32_t col = *p;
|
||||
uint8_t r = (col & 0xff0000) >> 16;
|
||||
uint8_t g = (col & 0x00ff00) >> 8;
|
||||
|
|
@ -545,8 +545,8 @@ namespace pimoroni {
|
|||
}
|
||||
else if(graphics->pen_type == PicoGraphics::PEN_RGB565) {
|
||||
uint16_t *p = (uint16_t *)graphics->frame_buffer;
|
||||
for(int y = 0; y < 32; y++) {
|
||||
for(int x = 0; x < 32; x++) {
|
||||
for(int y = 0; y < 16; y++) {
|
||||
for(int x = 0; x < 16; x++) {
|
||||
uint16_t col = __builtin_bswap16(*p);
|
||||
uint8_t r = (col & 0b1111100000000000) >> 8;
|
||||
uint8_t g = (col & 0b0000011111100000) >> 3;
|
||||
|
|
@ -562,8 +562,8 @@ namespace pimoroni {
|
|||
graphics->frame_convert(PicoGraphics::PEN_RGB888, [this, offset](void *data, size_t length) mutable {
|
||||
uint32_t *p = (uint32_t *)data;
|
||||
for(auto i = 0u; i < length / 4; i++) {
|
||||
int x = offset % 32;
|
||||
int y = offset / 32;
|
||||
int x = offset % 16;
|
||||
int y = offset / 16;
|
||||
|
||||
uint32_t col = *p;
|
||||
uint8_t r = (col & 0xff0000) >> 16;
|
||||
|
|
|
|||
|
|
@ -48,7 +48,7 @@ namespace pimoroni {
|
|||
private:
|
||||
static const uint32_t ROW_COUNT = 16;
|
||||
static const uint32_t BCD_FRAME_COUNT = 14;
|
||||
static const uint32_t BCD_FRAME_BYTES = 40;
|
||||
static const uint32_t BCD_FRAME_BYTES = 24;
|
||||
static const uint32_t ROW_BYTES = BCD_FRAME_COUNT * BCD_FRAME_BYTES;
|
||||
static const uint32_t BITSTREAM_LENGTH = (ROW_COUNT * ROW_BYTES);
|
||||
static const uint SYSTEM_FREQ = 22050;
|
||||
|
|
|
|||
Loading…
Reference in New Issue