参考
いろいろ、注意
- M5Stack by M5Stack official 2.1.4
結果
プログラム
//NeoPixel8x8_kaiten_M5StampS3_1
//インクルド
#include <Arduino.h>
#include <Adafruit_NeoPixel.h>
#include <misakiUTF16.h>
//定義
#define MAX_X 8
#define MAX_Y 8
#define NUM_LEDS 64
#define RGBLED_OUT 13
Adafruit_NeoPixel strip(NUM_LEDS, RGBLED_OUT, NEO_GRB + NEO_KHZ800);
unsigned char Pixel[8][8][3]; //キャラクターRAM(カラー)
long s_buff[8]; //スクロールバッファー
//スクロールバッファーを0で埋める
void kanji_scroll_clr() {
for (int i = 0; i < 8; i++) {
s_buff[i] = 0;
} //for
} //kanji_scroll_clr
//スクロールバッファーにフォントをセットする
void kanji_scroll_set(unsigned char *font) {
for (int i = 0; i < 8; i++) {
int a;
a = s_buff[i] & 0xff00;
a = a | font[i];
s_buff[i] = a;
} //for
} //kanji_scroll_set
//スクロールバッファーを1ドット左にずらす
void kanji_scroll_1up(unsigned char *font) {
for (int i = 0; i < 8; i++) {
s_buff[i] = s_buff[i] << 1;
font[i] = s_buff[i] >> 8;
} //for
} //kanji_scroll_1up
//ネオピクセルに転送後に表示
void NeoPixe_OUT() {
int k = 0;
for (int y = 0; y < MAX_Y; y++) {
for (int x = 0; x < MAX_X; x++) {
strip.setPixelColor(k++, strip.Color(
Pixel[y][x][0], Pixel[y][x][1], Pixel[y][x][2]));
} //for j
} //for i
strip.show(); //再表示
} //NeoPixe_OUT
//8x8文字の表示
void ch_8x8_f(unsigned char *font, int c1, int c2, int c3) {
int i = 0;
for (int y = 0; y < MAX_Y; y++) {
int a = font[i++];
for (int x = 0; x < MAX_X; x++) {
if (((a << x) & 0x80) != 0) {
Pixel[y][x][0] = c1;
Pixel[y][x][1] = c2;
Pixel[y][x][2] = c3;
} else {
Pixel[y][x][0] = 0;
Pixel[y][x][1] = 0;
Pixel[y][x][2] = 0;
} //if
} //for j
} //for i
NeoPixe_OUT(); //RBG LEDに出力
} //ch_8x8
//8ビットの並び順を逆転させるデータセット(テーブル)
unsigned char rev[] = {
0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0, 0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0,
0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8, 0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8,
0x04, 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4, 0x14, 0x94, 0x54, 0xd4, 0x34, 0xb4, 0x74, 0xf4,
0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c, 0xec, 0x1c, 0x9c, 0x5c, 0xdc, 0x3c, 0xbc, 0x7c, 0xfc,
0x02, 0x82, 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2, 0x12, 0x92, 0x52, 0xd2, 0x32, 0xb2, 0x72, 0xf2,
0x0a, 0x8a, 0x4a, 0xca, 0x2a, 0xaa, 0x6a, 0xea, 0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa,
0x06, 0x86, 0x46, 0xc6, 0x26, 0xa6, 0x66, 0xe6, 0x16, 0x96, 0x56, 0xd6, 0x36, 0xb6, 0x76, 0xf6,
0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee, 0x1e, 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe,
0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1, 0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1,
0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9, 0x19, 0x99, 0x59, 0xd9, 0x39, 0xb9, 0x79, 0xf9,
0x05, 0x85, 0x45, 0xc5, 0x25, 0xa5, 0x65, 0xe5, 0x15, 0x95, 0x55, 0xd5, 0x35, 0xb5, 0x75, 0xf5,
0x0d, 0x8d, 0x4d, 0xcd, 0x2d, 0xad, 0x6d, 0xed, 0x1d, 0x9d, 0x5d, 0xdd, 0x3d, 0xbd, 0x7d, 0xfd,
0x03, 0x83, 0x43, 0xc3, 0x23, 0xa3, 0x63, 0xe3, 0x13, 0x93, 0x53, 0xd3, 0x33, 0xb3, 0x73, 0xf3,
0x0b, 0x8b, 0x4b, 0xcb, 0x2b, 0xab, 0x6b, 0xeb, 0x1b, 0x9b, 0x5b, 0xdb, 0x3b, 0xbb, 0x7b, 0xfb,
0x07, 0x87, 0x47, 0xc7, 0x27, 0xa7, 0x67, 0xe7, 0x17, 0x97, 0x57, 0xd7, 0x37, 0xb7, 0x77, 0xf7,
0x0f, 0x8f, 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef, 0x1f, 0x9f, 0x5f, 0xdf, 0x3f, 0xbf, 0x7f, 0xff
};
//フォントを180度回転する
void font180(unsigned char *font) {
int c;
c = font[0];
font[0] = rev[font[7]];
font[7] = rev[c];
c = font[1];
font[1] = rev[font[6]];
font[6] = rev[c];
c = font[2];
font[2] = rev[font[5]];
font[5] = rev[c];
c = font[3];
font[3] = rev[font[4]];
font[4] = rev[c];
} //font180
//フォントを180度回転する
void font90(unsigned char *font) {
int a = font[0];
int a0 = (a & 1);
a = a >> 1;
int a1 = (a & 1);
a = a >> 1;
int a2 = (a & 1);
a = a >> 1;
int a3 = (a & 1);
a = a >> 1;
int a4 = (a & 1);
a = a >> 1;
int a5 = (a & 1);
a = a >> 1;
int a6 = (a & 1);
a = a >> 1;
int a7 = (a & 1);
for (int i = 1; i < 8; i++) {
//処理
a0 = a0 << 1;
a1 = a1 << 1;
a2 = a2 << 1;
a3 = a3 << 1;
a4 = a4 << 1;
a5 = a5 << 1;
a6 = a6 << 1;
a7 = a7 << 1;
a = font[i];
a0 = a0 | (a & 1);a = a >> 1;
a1 = a1 | (a & 1);a = a >> 1;
a2 = a2 | (a & 1);a = a >> 1;
a3 = a3 | (a & 1);a = a >> 1;
a4 = a4 | (a & 1);a = a >> 1;
a5 = a5 | (a & 1);a = a >> 1;
a6 = a6 | (a & 1);a = a >> 1;
a7 = a7 | (a & 1);
} //for i
font[0] = a0;
font[1] = a1;
font[2] = a2;
font[3] = a3;
font[4] = a4;
font[5] = a5;
font[6] = a6;
font[7] = a7;
} //font90
//回転
void font360(unsigned char *font, int l) {
l = l & 0b00000011;
if (l == 1 | l == 3) {
font90(font); //90度回転
} //if
if (l == 2 | l == 3) {
font180(font); //180度回転
} //if
} //font360
unsigned char font1[] = {
0b10000001,
0b01000010,
0b00100100,
0b00011000,
0b00011000,
0b00100100,
0b01000010,
0b10000001
};
//初期化
void setup() {
//ネオピクセルの設定
strip.begin();
strip.show();
//テスト表示
ch_8x8_f(font1, 5, 5, 5); //表示
delay(1000);
} //setup
//メインループインクルド
void loop() {
unsigned char font[8]; // フォント格納バッファ
char str[64] = "あ"; // 文字列
//文字列メッセージの表示
char *ptr = str;
while (*ptr) { // 文字列分ループ
ptr = getFontData(font, ptr, true); // 1文字分のフォント取得(戻りは、次の文字)
if (!ptr)
break; // エラーの場合は終了
for (int i = 0; i < 4; i++) {
ch_8x8_f(font, 5, 5, 5); //表示
delay(500); //0.5秒待つ
font360(font, 1); //回転
//if (i == 3) {while (1) {}} //debug}
} //for
} //while
} //loop