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This commit is contained in:
Ikatono
2024-01-16 14:21:54 -06:00
parent 604bb61c4a
commit f74ff101fc
4 changed files with 108 additions and 18 deletions
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5
CMakeLists.txt
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@@ -1,4 +1,4 @@
cmake_minimum_required(VERSION 3.12)
cmake_minimum_required(VERSION 3.20)
include(pico_sdk_import.cmake)
@@ -17,7 +17,8 @@ pico_generate_pio_header(threeam ${CMAKE_CURRENT_LIST_DIR}/Neopixel.pio)
target_sources(threeam PRIVATE
main.cpp
colors.hpp
Neopixel.pio.h)
# Neopixel.pio.h
)
target_link_libraries(threeam PRIVATE
pico_stdlib

38
colors.hpp
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@@ -1,6 +1,9 @@
#ifndef H_29BB41A351824C13AA4B9673DCEC215D
#define H_29BB41A351824C13AA4B9673DCEC215D
#include <cstdint>
struct pixel
struct Pixel
{
uint8_t green;
uint8_t red;
@@ -21,8 +24,33 @@ struct pixel
}
};
struct BigPixel
{
uint32_t value;
//should check for endianness I think
//but there is no fully compliant way to test at compile time
#if defined(__BYTE_ORDER__)&&(__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
uint8_t& green() { return *(reinterpret_cast<uint8_t*>(value)+0); }
uint8_t& red() { return *(reinterpret_cast<uint8_t*>(value)+1); }
uint8_t& blue() { return *(reinterpret_cast<uint8_t*>(value)+2); }
uint8_t& white() { return *(reinterpret_cast<uint8_t*>(value)+3); }
#else
uint8_t& green() { return *(reinterpret_cast<uint8_t*>(value)+3); }
uint8_t& red() { return *(reinterpret_cast<uint8_t*>(value)+2); }
uint8_t& blue() { return *(reinterpret_cast<uint8_t*>(value)+1); }
uint8_t& white() { return *(reinterpret_cast<uint8_t*>(value)+0); }
#endif
};
// GRB color
const pixel Callie = { 0xD0, 0xA0, 0xC8 };
const pixel Coqui = { 0xF4, 0xFF, 0x91 };
const pixel Meat = { 0xEA, 0xCD, 0xBF };
const pixel Olivia = { 0xCC, 0xFF, 0xE7 };
const Pixel Callie = { 0xD0, 0xA0, 0xC8 };
const Pixel Coqui = { 0xF4, 0xFF, 0x91 };
const Pixel Meat = { 0xEA, 0xCD, 0xBF };
const Pixel Olivia = { 0xCC, 0xFF, 0xE7 };
const BigPixel bCallie = { 0xD0A0C800 };
const BigPixel bCoqui = { 0xF4FF9100 };
const BigPixel bMeat = { 0xEACDBF00 };
const BigPixel bOlivia = { 0xCCFFE700 };
#endif //H_29BB41A351824C13AA4B9673DCEC215D

59
grid.hpp Normal file
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@@ -0,0 +1,59 @@
#ifndef H_89BCEB17FBD94DE38B501C2F028FDF35
#define H_89BCEB17FBD94DE38B501C2F028FDF35
#include "colors.hpp"
template <int Size>
class Grid
{
static_assert(Size % 2 == 0);
static constexpr int pixels = Size*Size;
std::array<BigPixel, pixels> data;
public:
static constexpr std::array<int, pixels/4> quad1()
{
std::array<int, pixels/4> q;
for (int i = 0; i < Size/2; i++)
for (int j = 0; j < Size/2; j++)
{
const int count = i * Size/2 + j;
q[count] = i * Size + j;
}
return q;
}
static constexpr std::array<int, pixels/4> quad2()
{
std::array<int, pixels/4> q;
for (int i = 0; i < Size/2; i++)
for (int j = 0; j < Size/2; j++)
{
const int count = i * Size/2 + j;
q[count] = (Size - i - 1) * Size + j;
}
return q;
}
static constexpr std::array<int, pixels/4> quad3()
{
std::array<int, pixels/4> q;
for (int i = 0; i < Size/2; i++)
for (int j = 0; j < Size/2; j++)
{
const int count = i * Size/2 + j;
q[count] = i * Size + j;
}
return q;
}
static constexpr std::array<int, pixels/4> quad4()
{
std::array<int, pixels/4> q;
for (int i = 0; i < Size/2; i++)
for (int j = 0; j < Size/2; j++)
{
const int count = i * Size/2 + j;
q[count] = (Size - i - 1) * Size + (Size - j - 1);
}
return q;
}
};
#endif //H_89BCEB17FBD94DE38B501C2F028FDF35

22
main.cpp
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@@ -4,30 +4,32 @@
#include "Neopixel.pio.h"
#include <array>
#include "colors.hpp"
#include "grid.hpp"
#include "hardware/pio.h"
#include "hardware/clocks.h"
#include <cstring>
constexpr uint8_t WS2812_PIN = 22;
std::array<pixel, 32> data;
std::array<BigPixel, 32> data;
Grid<8> grid;
extern "C"
int main() {
stdio_init_all();
data[0] = Coqui;
data[1] = Olivia;
data[2] = Meat;
data[3] = Callie;
memcpy(data.data()+4, data.data(), 4*sizeof(pixel));
memcpy(data.data()+8, data.data(), 8*sizeof(pixel));
memcpy(data.data()+16, data.data(), 16*sizeof(pixel));
// data[0] = bCoqui;
// data[1] = bOlivia;
// data[2] = bMeat;
// data[3] = bCallie;
// memcpy(data.data()+4, data.data(), 4*sizeof(pixel));
// memcpy(data.data()+8, data.data(), 8*sizeof(pixel));
// memcpy(data.data()+16, data.data(), 16*sizeof(pixel));
// for (auto x : data)
// printf("%d ", x);
auto pio = pio0;
auto offset = pio_add_program(pio, &ws2812_program);
ws2812_program_init(pio, 0, offset, WS2812_PIN, 800000, false);
for (auto p : data)
pio_sm_put_blocking(pio, 0, p.get());
// for (auto p : data)
// pio_sm_put_blocking(pio, 0, p.value);
while (1);
}