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updated demos/test, added clear() method to unicorn

This commit is contained in:
Jonathan Williamson 2021-01-18 08:59:13 +00:00
parent 8345197a83
commit 944355f060
4 changed files with 185 additions and 5 deletions
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72
examples/pico_scroll/demo.cpp
View File

@ -13,16 +13,80 @@ int main() {
pico_scroll.init();
bool a_pressed = false;
bool b_pressed = false;
bool x_pressed = false;
bool y_pressed = false;
uint32_t i = 0;
while(true) {
i++;
if(pico_scroll.is_pressed(pico_scroll.A)) { a_pressed = true; }
if(pico_scroll.is_pressed(pico_scroll.B)) { b_pressed = true; }
if(pico_scroll.is_pressed(pico_scroll.X)) { x_pressed = true; }
if(pico_scroll.is_pressed(pico_scroll.Y)) { y_pressed = true; }
pico_scroll.clear();
for(int y = 0; y < 7; y++) {
for(int x = 0; x < 17; x++) {
int v = (x + y + (i / 25)) % 2 == 0 ? 0 : 3;
pico_scroll.set_pixel(x, y, v);
if(a_pressed & b_pressed & x_pressed & y_pressed) {
for(int y = 0; y < 7; y++) {
for(int x = 0; x < 17; x++) {
int v = (x + y + (i / 25)) % 2 == 0 ? 0 : 3;
pico_scroll.set_pixel(x, y, v);
}
}
} else {
// button test phase
float pulse = fmod(float(i) / 5.0f, M_PI * 2.0f);
int v = int((sin(pulse) * 4.0f) + 4.0f);
if(a_pressed) {
}else{
pico_scroll.set_pixel(0, 0, v);
pico_scroll.set_pixel(0, 1, v);
pico_scroll.set_pixel(1, 0, v);
pico_scroll.set_pixel(1, 1, v);
pico_scroll.set_pixel(1, 2, v / 2);
pico_scroll.set_pixel(0, 2, v / 2);
pico_scroll.set_pixel(2, 0, v / 2);
pico_scroll.set_pixel(2, 1, v / 2);
}
if(b_pressed) {
}else{
pico_scroll.set_pixel(0, 6, v);
pico_scroll.set_pixel(0, 5, v);
pico_scroll.set_pixel(1, 6, v);
pico_scroll.set_pixel(1, 5, v);
pico_scroll.set_pixel(1, 4, v / 2);
pico_scroll.set_pixel(0, 4, v / 2);
pico_scroll.set_pixel(2, 6, v / 2);
pico_scroll.set_pixel(2, 5, v / 2);
}
if(x_pressed) {
}else{
pico_scroll.set_pixel(16, 0, v);
pico_scroll.set_pixel(16, 1, v);
pico_scroll.set_pixel(15, 0, v);
pico_scroll.set_pixel(15, 1, v);
pico_scroll.set_pixel(15, 2, v / 2);
pico_scroll.set_pixel(16, 2, v / 2);
pico_scroll.set_pixel(14, 0, v / 2);
pico_scroll.set_pixel(14, 1, v / 2);
}
if(y_pressed) {
}else{
pico_scroll.set_pixel(16, 6, v);
pico_scroll.set_pixel(16, 5, v);
pico_scroll.set_pixel(15, 6, v);
pico_scroll.set_pixel(15, 5, v);
pico_scroll.set_pixel(15, 4, v / 2);
pico_scroll.set_pixel(16, 4, v / 2);
pico_scroll.set_pixel(14, 6, v / 2);
pico_scroll.set_pixel(14, 5, v / 2);
}
}

79
examples/pico_unicorn/demo.cpp
View File

@ -32,10 +32,26 @@ int main() {
pico_unicorn.init();
bool a_pressed = false;
bool b_pressed = false;
bool x_pressed = false;
bool y_pressed = false;
uint32_t i = 0;
while(true) {
i = i + 1;
uint8_t j = 0;
if(pico_unicorn.is_pressed(pico_unicorn.A)) { a_pressed = true; }
if(pico_unicorn.is_pressed(pico_unicorn.B)) { b_pressed = true; }
if(pico_unicorn.is_pressed(pico_unicorn.X)) { x_pressed = true; }
if(pico_unicorn.is_pressed(pico_unicorn.Y)) { y_pressed = true; }
/*
for(uint8_t y = 0; y < 7; y++) {
for(uint8_t x = 0; x < 16; x++) {
uint8_t r, g, b;
@ -48,8 +64,71 @@ int main() {
pico_unicorn.set_pixel(x, y, r, g, b);
j = j + 1;
}
}*/
pico_unicorn.clear();
if(a_pressed & b_pressed & x_pressed & y_pressed) {
for(int y = 0; y < 7; y++) {
for(int x = 0; x < 16; x++) {
int v = (x + y + (i / 100)) % 2 == 0 ? 0 : 100;
pico_unicorn.set_pixel(x, y, v);
}
}
} else {
// button test phase
float pulse = fmod(float(i) / 20.0f, M_PI * 2.0f);
int v = int((sin(pulse) * 50.0f) + 50.0f);
if(a_pressed) {
}else{
pico_unicorn.set_pixel(0, 0, v);
pico_unicorn.set_pixel(0, 1, v);
pico_unicorn.set_pixel(1, 0, v);
pico_unicorn.set_pixel(1, 1, v);
pico_unicorn.set_pixel(1, 2, v / 2);
pico_unicorn.set_pixel(0, 2, v / 2);
pico_unicorn.set_pixel(2, 0, v / 2);
pico_unicorn.set_pixel(2, 1, v / 2);
}
if(b_pressed) {
}else{
pico_unicorn.set_pixel(0, 6, v);
pico_unicorn.set_pixel(0, 5, v);
pico_unicorn.set_pixel(1, 6, v);
pico_unicorn.set_pixel(1, 5, v);
pico_unicorn.set_pixel(1, 4, v / 2);
pico_unicorn.set_pixel(0, 4, v / 2);
pico_unicorn.set_pixel(2, 6, v / 2);
pico_unicorn.set_pixel(2, 5, v / 2);
}
if(x_pressed) {
}else{
pico_unicorn.set_pixel(15, 0, v);
pico_unicorn.set_pixel(15, 1, v);
pico_unicorn.set_pixel(14, 0, v);
pico_unicorn.set_pixel(14, 1, v);
pico_unicorn.set_pixel(14, 2, v / 2);
pico_unicorn.set_pixel(15, 2, v / 2);
pico_unicorn.set_pixel(13, 0, v / 2);
pico_unicorn.set_pixel(13, 1, v / 2);
}
if(y_pressed) {
}else{
pico_unicorn.set_pixel(15, 6, v);
pico_unicorn.set_pixel(15, 5, v);
pico_unicorn.set_pixel(14, 6, v);
pico_unicorn.set_pixel(14, 5, v);
pico_unicorn.set_pixel(14, 4, v / 2);
pico_unicorn.set_pixel(15, 4, v / 2);
pico_unicorn.set_pixel(13, 6, v / 2);
pico_unicorn.set_pixel(13, 5, v / 2);
}
}
pico_unicorn.update();
}

29
libraries/pico_unicorn/pico_unicorn.cpp
View File

@ -36,7 +36,11 @@ enum pin {
ROW_3 = 19,
ROW_4 = 18,
ROW_5 = 17,
ROW_6 = 16
ROW_6 = 16,
A = 12,
B = 13,
X = 14,
Y = 15,
};
constexpr uint32_t ROW_COUNT = 7;
@ -152,6 +156,20 @@ namespace pimoroni {
sm = 0;
uint offset = pio_add_program(bitstream_pio, &unicorn_program);
unicorn_jetpack_program_init(bitstream_pio, sm, offset);
// setup button inputs
gpio_set_function(pin::A, GPIO_FUNC_SIO); gpio_set_dir(pin::A, GPIO_IN); gpio_pull_up(pin::A);
gpio_set_function(pin::B, GPIO_FUNC_SIO); gpio_set_dir(pin::B, GPIO_IN); gpio_pull_up(pin::B);
gpio_set_function(pin::X, GPIO_FUNC_SIO); gpio_set_dir(pin::X, GPIO_IN); gpio_pull_up(pin::X);
gpio_set_function(pin::Y, GPIO_FUNC_SIO); gpio_set_dir(pin::Y, GPIO_IN); gpio_pull_up(pin::Y);
}
void PicoUnicorn::clear() {
for(uint8_t y = 0; y < 7; y++) {
for(uint8_t x = 0; x < 16; x++) {
set_pixel(x, y, 0);
}
}
}
void PicoUnicorn::set_pixel(uint8_t x, uint8_t y, uint8_t r, uint8_t g, uint8_t b) {
@ -193,6 +211,10 @@ namespace pimoroni {
}
}
void PicoUnicorn::set_pixel(uint8_t x, uint8_t y, uint8_t v) {
set_pixel(x, y, v, v, v);
}
void PicoUnicorn::update() {
// copy data to pio tx fifo 4 bytes at a time
uint32_t *p = (uint32_t *)bitstream;
@ -200,4 +222,9 @@ namespace pimoroni {
pio_sm_put_blocking(bitstream_pio, sm, *p++);
}
}
bool PicoUnicorn::is_pressed(uint8_t button) {
return !gpio_get(button);
}
}

10
libraries/pico_unicorn/pico_unicorn.hpp
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@ -12,7 +12,17 @@ namespace pimoroni {
public:
void init();
void update();
void clear();
void set_pixel(uint8_t x, uint8_t y, uint8_t r, uint8_t g, uint8_t b);
void set_pixel(uint8_t x, uint8_t y, uint8_t v);
bool is_pressed(uint8_t button);
static const uint8_t A = 12;
static const uint8_t B = 13;
static const uint8_t X = 14;
static const uint8_t Y = 15;
};
}