kopia lustrzana https://github.com/pimoroni/pimoroni-pico
Playing basic audio samples now works, added rainbow example for photoshoot
jon
Phil Howard
rodzic
63183d28be
commit
a486150470
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@ -13,16 +13,16 @@ pico_add_extra_outputs(galactic_unicorn_demo)
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add_executable(
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galactic_unicorn_demo2
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demo2.cpp
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rainbow
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rainbow.cpp
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)
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# Pull in pico libraries that we need
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target_link_libraries(galactic_unicorn_demo2 pico_stdlib hardware_pio hardware_adc hardware_dma pico_graphics galactic_unicorn)
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pico_enable_stdio_usb(galactic_unicorn_demo2 1)
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target_link_libraries(rainbow pico_stdlib hardware_pio hardware_adc hardware_dma pico_graphics galactic_unicorn)
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pico_enable_stdio_usb(rainbow 1)
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# create map/bin/hex file etc.
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pico_add_extra_outputs(galactic_unicorn_demo2)
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pico_add_extra_outputs(rainbow)
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@ -71,19 +71,20 @@ int main() {
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galactic_unicorn.init();
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// galactic_unicorn.play_sample(left_channel_bin, left_channel_bin_len);
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galactic_unicorn.set_brightness(0.5f);
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while(true) {
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if(galactic_unicorn.is_pressed(galactic_unicorn.SWITCH_BRIGHTNESS_UP)) {
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galactic_unicorn.adjust_brightness(+0.01);
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galactic_unicorn.adjust_brightness(+0.01f);
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}
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if(galactic_unicorn.is_pressed(galactic_unicorn.SWITCH_BRIGHTNESS_DOWN)) {
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galactic_unicorn.adjust_brightness(-0.01);
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galactic_unicorn.adjust_brightness(-0.01f);
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}
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uint ms = to_ms_since_boot(get_absolute_time());
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uint8_t test = (ms / 5000) % 4;
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uint8_t test = (ms / 1000) % 4;
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graphics.set_pen(0, 0, 0);
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graphics.clear();
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@ -113,6 +114,17 @@ int main() {
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printf("%d\n", galactic_unicorn.light());
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std::string text = "";
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static bool was_a_pressed = false;
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if(galactic_unicorn.is_pressed(GalacticUnicorn::SWITCH_A)) {
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if(!was_a_pressed) {
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galactic_unicorn.play_sample(left_channel_bin, left_channel_bin_len);
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}
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was_a_pressed = true;
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}else{
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was_a_pressed = false;
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}
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if(galactic_unicorn.is_pressed(GalacticUnicorn::SWITCH_A)) {
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text = "Button A";
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}
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@ -143,9 +155,6 @@ int main() {
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outline_text(text);
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graphics.set_pen(255, 255, 255);
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graphics.clear();
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galactic_unicorn.update(graphics);
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sleep_ms(50);
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@ -1,6 +1,7 @@
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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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@ -13,7 +14,19 @@ PicoGraphics_PenRGB565 graphics(53, 11, nullptr);
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GalacticUnicorn galactic_unicorn;
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// extra row of pixels for sourcing flames and averaging
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float heat[53][15] = {0.0f};
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int width = 53;
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int height = 15;
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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[1000] = {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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return heat[x + y * width];
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}
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int main() {
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@ -21,6 +34,8 @@ int main() {
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galactic_unicorn.init();
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bool landscape = true;
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while(true) {
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if(galactic_unicorn.is_pressed(galactic_unicorn.SWITCH_BRIGHTNESS_UP)) {
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galactic_unicorn.adjust_brightness(+0.01);
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@ -29,59 +44,77 @@ int main() {
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galactic_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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if(galactic_unicorn.is_pressed(galactic_unicorn.SWITCH_A)) {
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landscape = true;
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width = 53;
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height = 15;
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memset(heat, 0, sizeof(heat));
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}
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if(galactic_unicorn.is_pressed(galactic_unicorn.SWITCH_B)) {
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landscape = false;
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width = 11;
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height = 55;
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memset(heat, 0, sizeof(heat));
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}
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for(int y = 0; y < 14; y++) {
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for(int x = 0; x < 53; x++) {
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if(heat[x][y] > 0.5f) {
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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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graphics.pixel(Point(x, y));
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}else if(heat[x][y] > 0.4f) {
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}else if(value > 0.4f) {
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graphics.set_pen(220, 160, 0);
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graphics.pixel(Point(x, y));
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}else if(heat[x][y] > 0.3f) {
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}else if(value > 0.3f) {
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graphics.set_pen(180, 50, 0);
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graphics.pixel(Point(x, y));
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}else if(heat[x][y] > 0.2f) {
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}else if(value > 0.2f) {
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graphics.set_pen(40, 40, 40);
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graphics.pixel(Point(x, y));
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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 = 0.0f;
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if(x == 0) {
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heat[x][y] = (heat[x][y] + heat[x][y + 2] + heat[x][y + 1] + heat[x + 1][y + 1]) / 4.0f;
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average = (get(x, y) + get(x, y + 2) + get(x, y + 1) + get(x + 1, y + 1)) / 4.0f;
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} else if(x == 52) {
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heat[x][y] = (heat[x][y] + heat[x][y + 2] + heat[x][y + 1] + heat[x - 1][y + 1]) / 4.0f;
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average = (get(x, y) + get(x, y + 2) + get(x, y + 1) + get(x - 1, y + 1)) / 4.0f;
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} else {
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heat[x][y] = (heat[x][y] + heat[x][y + 2] + heat[x][y + 1] + heat[x - 1][y + 1] + heat[x + 1][y + 1]) / 5.0f;
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}
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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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}
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heat[x][y] -= 0.01f;
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heat[x][y] = heat[x][y] < 0.0f ? 0.0f: heat[x][y];
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average -= landscape ? 0.01f : 0.004f;
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average = average < 0.0f ? 0.0f: average;
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set(x, y, average);
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}
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}
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galactic_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 < 53; x++) {
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heat[x][14] = 0.0f;
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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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for(int c = 0; c < 5; c++) {
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int px = (rand() % 51) + 1;
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heat[px][13] = 1.0f;
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heat[px + 1][13] = 1.0f;
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heat[px - 1][13] = 1.0f;
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heat[px][14] = 1.0f;
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heat[px + 1][14] = 1.0f;
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heat[px - 1][14] = 1.0f;
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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(50);
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sleep_ms(20);
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}
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return 0;
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@ -109,19 +109,28 @@ graphics.set_font("bitmap8");
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uint i = 0;
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float i = 0;
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float hue_offset = 0.0f;
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bool animate = true;
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float stripe_width = 3.0f;
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float speed = 1.0f;
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float curve = 0.0f;
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while(true) {
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i++;
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if(animate) {
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i += speed;
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}
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if(galactic_unicorn.is_pressed(galactic_unicorn.SWITCH_VOLUME_UP)) {
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hue_offset += 0.05;
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curve += 0.05;
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if(hue_offset > 1.0f) hue_offset = 1.0f;
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}
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if(galactic_unicorn.is_pressed(galactic_unicorn.SWITCH_VOLUME_DOWN)) {
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hue_offset -= 0.05;
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curve -= 0.05;
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if(hue_offset < 0.0f) hue_offset = 0.0f;
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}
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@ -132,8 +141,31 @@ graphics.set_font("bitmap8");
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galactic_unicorn.adjust_brightness(-0.01);
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}
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if(galactic_unicorn.is_pressed(galactic_unicorn.SWITCH_SLEEP)) {
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animate = false;
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}
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if(galactic_unicorn.is_pressed(galactic_unicorn.SWITCH_A)) {
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speed += 0.05f;
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speed = speed >= 10.0f ? 10.0f : speed;
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animate = true;
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}
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if(galactic_unicorn.is_pressed(galactic_unicorn.SWITCH_B)) {
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speed -= 0.05f;
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speed = speed <= 0.0f ? 0.0f : speed;
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animate = true;
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}
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if(galactic_unicorn.is_pressed(galactic_unicorn.SWITCH_C)) {
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stripe_width += 0.05f;
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stripe_width = stripe_width >= 10.0f ? 10.0f : stripe_width;
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}
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if(galactic_unicorn.is_pressed(galactic_unicorn.SWITCH_D)) {
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stripe_width -= 0.05f;
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stripe_width = stripe_width <= 1.0f ? 1.0f : stripe_width;
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}
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/*
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graphics.set_pen(255, 255, 255);
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float s = 0.65f;//0.65f + (sin(i / 25.0f) * 0.15f);
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@ -145,9 +177,14 @@ graphics.set_font("bitmap8");
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for(int x = 0; x < 53; x++) {
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for(int y = 0; y < 11; y++) {
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int v = ((sin((x + y) / 3.0f + i / 15.0f) + 1.5f) / 2.5f) * 255.0f;
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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;
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graphics.set_pen(v, v, v);
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uint8_t r = (hue_map[x][0] * v) / 256;
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uint8_t g = (hue_map[x][1] * v) / 256;
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uint8_t b = (hue_map[x][2] * v) / 256;
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graphics.set_pen(r, g, b);
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graphics.pixel(Point(x, y));
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}
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}
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@ -39,7 +39,7 @@
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// .. and back to the start
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constexpr uint32_t ROW_COUNT = 11;
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constexpr uint32_t BCD_FRAME_COUNT = 14;
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constexpr uint32_t BCD_FRAME_COUNT = 12;
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constexpr uint32_t BCD_FRAME_BYTES = 60;
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constexpr uint32_t ROW_BYTES = BCD_FRAME_COUNT * BCD_FRAME_BYTES;
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constexpr uint32_t BITSTREAM_LENGTH = (ROW_COUNT * ROW_BYTES);
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@ -274,48 +274,29 @@ namespace pimoroni {
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// setup audio pio program
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/*
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audio_pio = pio0;
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audio_sm = pio_claim_unused_sm(audio_pio, true);
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audio_sm_offset = pio_add_program(audio_pio, &audio_i2s_program);
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audio_i2s_program_init(audio_pio, audio_sm, audio_sm_offset, I2S_DATA, I2S_BCLK);
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//pio_sm_set_enabled(audio_pio, audio_sm, true);
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pio_gpio_init(audio_pio, I2S_DATA);
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pio_gpio_init(audio_pio, I2S_BCLK);
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pio_gpio_init(audio_pio, I2S_LRCLK);
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audio_i2s_program_init(audio_pio, audio_sm, audio_sm_offset, I2S_DATA, I2S_BCLK);
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uint32_t system_clock_frequency = clock_get_hz(clk_sys);
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uint32_t divider = system_clock_frequency * 4 / 22050; // avoid arithmetic overflow
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pio_sm_set_clkdiv_int_frac(audio_pio, audio_sm, divider >> 8u, divider & 0xffu);
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pio_sm_set_enabled(audio_pio, audio_sm, true);
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audio_dma_channel = dma_claim_unused_channel(true);
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dma_channel_config audio_config = dma_channel_get_default_config(audio_dma_channel);
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channel_config_set_transfer_data_size(&audio_config, DMA_SIZE_32);
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channel_config_set_bswap(&audio_config, false); // byte swap to reverse little endian
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channel_config_set_transfer_data_size(&audio_config, DMA_SIZE_16);
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//channel_config_set_bswap(&audio_config, false); // byte swap to reverse little endian
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channel_config_set_dreq(&audio_config, pio_get_dreq(audio_pio, audio_sm, true));
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dma_channel_configure(audio_dma_channel, &audio_config, &audio_pio->txf[audio_sm], NULL, 0, false);
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dma_channel_set_irq0_enabled(audio_dma_channel, true);
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irq_set_enabled(pio_get_dreq(audio_pio, audio_sm, true), true);*/
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//irq_set_exclusive_handler(DMA_IRQ_0, dma_complete);
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//irq_set_enabled(DMA_IRQ_0, true);
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/* dma_channel_set_trans_count(audio_dma_channel, BITSTREAM_LENGTH / 4, false);
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dma_channel_set_read_addr(audio_dma_channel, bitstream, true);*/
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//pio_sm_config audio_i2s_config = audio_i2s_program_get_default_config(audio_sm_offset);
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// osr shifts right, autopull on, autopull threshold 8
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//sm_config_set_out_shift(&audio_i2s_config, true, true, 32);
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// // configure out, set, and sideset pins
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// sm_config_set_out_pins(&audio_i2s_config, ROW_BIT_0, 4);
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// sm_config_set_set_pins(&audio_i2s_config, COLUMN_DATA, 3);
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// sm_config_set_sideset_pins(&audio_i2s_config, COLUMN_CLOCK);
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// // join fifos as only tx needed (gives 8 deep fifo instead of 4)
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// sm_config_set_fifo_join(&audio_i2s_config, PIO_FIFO_JOIN_TX);
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//pio_sm_init(audio_pio, audio_sm, audio_sm_offset, &audio_i2s_config);
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//pio_sm_set_enabled(audio_pio, audio_sm, true);
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//dma_channel_set_irq0_enabled(audio_dma_channel, true);
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irq_set_enabled(pio_get_dreq(audio_pio, audio_sm, true), true);
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}
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@ -328,7 +309,7 @@ namespace pimoroni {
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}
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void GalacticUnicorn::play_sample(uint8_t *data, uint32_t length) {
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dma_channel_transfer_from_buffer_now(audio_dma_channel, data, length / 4);
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dma_channel_transfer_from_buffer_now(audio_dma_channel, data, length / 2);
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}
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void GalacticUnicorn::set_pixel(int x, int y, uint8_t r, uint8_t g, uint8_t b) {
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