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XIAO_BLE_MINI_LED_BADGE_01.ino
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XIAO_BLE_MINI_LED_BADGE_01.ino
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// Nora BADGE 4th
// Seeed XIAO BLE
// Import libraries (ArduinoBLE-Peripheral-LED)
#include <ArduinoBLE.h>
#include <string.h>
#include "NoraPeri.h"
// LED pin デバッグ用LED Pin
#define LED_PIN LED_BUILTIN // Red LED - LED_BUILTIN or LEDR, Green LED - LEDG, Blue LED - LEDB
// Import libraries (I2C 16x8 LED Matrix)
#include <Wire.h>
#include <Adafruit_GFX.h>
#include "Adafruit_LEDBackpack.h"
#include <misakiUTF16.h> // for example
Adafruit_8x16matrix matrix = Adafruit_8x16matrix();
Adafruit_8x16matrix matrix1 = Adafruit_8x16matrix();
#define SCREENS 4 // LED Matrixカスケード接続数
// B1144format Header
#define ONE_CHAR_SIZE 11 //1文字分の文字データサイズ
#define MAX_WRITE_LENGTH 16 //BLE Writeデータ最大サイズ
/* 左、右、固定スクロール対応 Y.Iida */
#define MODE_LEFT 0
#define MODE_RIGHT 1
#define MAXSCREENS 4 // 最大接続数
static uint8_t buf[8*MAXSCREENS];
uint8_t* MAX7219_getBuffer() {
return buf;
}
// create service
BLEService ledService(BLE_SERVICE_UUID);
BLEService ledCharService(BLE_CHARACTERISTIC_SERVICE_UUID);
// create switch characteristic
unsigned char num = 16; //
int MaxWriteLen = 16; //Write受信サイズ
unsigned char LED_RecieveValue[16] = ""; //Write受信データ
int LED_RecieveLength = 0; //Write受信データサイズ
int ConcateCount = 0; //Write連結数(ヘッダ含む)
uint8_t LED_payload[1408] = {}; //ペイロード配列
unsigned int B1122_CharLength = 0; //ペイロードの文字数
unsigned int B1122_PayloadLines = 0; //ペーロード自体の数
unsigned int MAX7219__CharLength = 0; //ペイロードの文字数(LEDボード入力用)
bool isWritting = false; //Writeイベント発生フラグ
int margecount = 0; //マージ用ループカウンター
int PayloadLineCounter = 0; //ペイロードカウント
int SurplusLength = 0; //文字格納余り
int WritePayloadSize = 0; //ペーロードのサイズ ( 11 * 文字数 )
uint8_t MAX7219__payload[1024] = {}; //文字配列(LED出力用)
uint8_t display_Flash = 1; //フラッシュ(点滅)設定
uint8_t display_Marqee = 0; //マーキー設定
uint8_t display_speed_mode = 0x60; //表示スピード＆モード
uint8_t save_Flash = 0; //フラッシュ(点滅)設定
uint8_t save_Marqee = 1; //マーキー設定
uint8_t save_speed_mode = 0x71; //表示スピード＆モード
int blanklength = 32;
//16byteのデータ受信用Charasteristic
BLECharacteristic switchCharacteristic(BLE_CHARACTERISTIC_DATA_UUID, BLERead | BLEWrite | BLENotify, num);
//BLEByteCharacteristic switchCharacteristic(BLE_CHARACTERISTIC_DATA_UUID, BLERead | BLEWrite | BLENotify);
void setup() {
Serial.begin(115200); // BLE通信に必要
while (!Serial);
// for debug: set LED pin to output mode
pinMode(LED_PIN, OUTPUT);
// begin initialization
if (!BLE.begin()) {
Serial.println("starting BLE module failed!");
while (1);
}
// set advertised local name and service UUID
BLE.setLocalName("LSLED");
BLE.setDeviceName("LSLED");
BLE.setAdvertisedService(ledService);
BLE.setAdvertisedService(ledCharService);
// add characteristic to the service
ledCharService.addCharacteristic(switchCharacteristic);
// add service
BLE.addService(ledService);
BLE.addService(ledCharService);
// assign event handlers for connected, disconnected to peripheral
BLE.setEventHandler(BLEConnected, blePeripheralConnectHandler);
BLE.setEventHandler(BLEDisconnected, blePeripheralDisconnectHandler);
// assign event handlers for characteristic
switchCharacteristic.setEventHandler(BLEWritten, switchCharacteristicWritten);
// start advertising
BLE.advertise();
Serial.println("BLE device active, waiting for connections...");
int DefaultLength = 32;
memset(MAX7219__payload, '¥0', sizeof(MAX7219__payload));
uint8_t base[DefaultLength] = {0xc6, 0xe6, 0xe6, 0xf6, 0xde, 0xce, 0xce, 0xc6,
0xfe, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xc6, 0xfe,
0xfe, 0xc6, 0xc6, 0xfe, 0xd8, 0xcc, 0xc6, 0xc6,
0xfe, 0xc6, 0xc6, 0xfe, 0xc6, 0xc6, 0xc6, 0xc6
};
for(int basecount = 0; basecount < DefaultLength; basecount++){
MAX7219__payload[basecount] = base[basecount];
}
MAX7219__CharLength = 4;
// begin I2C 16x8 LED Matrix
Wire.begin(); // SDAとSCLのPIN指定ができるか要調査
matrix.begin(0x71);
matrix1.begin(0x70);
// matrix.setTextSize(1);
// matrix1.setTextSize(1);
matrix.setBrightness(0);
matrix1.setBrightness(0);
matrix.setTextWrap(false);
matrix1.setTextWrap(false);
matrix.setTextColor(LED_ON);
matrix1.setTextColor(LED_ON);
matrix.setRotation(1);
matrix1.setRotation(1);
}
void loop() {
// poll for BLE events
BLE.poll();
if(isWritting == false){
MAX7219Display(MAX7219__payload, MAX7219__CharLength, display_Flash, display_Marqee, display_speed_mode);
// TestLEDMatrix();
DebugLEDOnOff();
//delay(100);
}
}
void blePeripheralConnectHandler(BLEDevice central) {
// central connected event handler
Serial.print("Connected event, central: ");
Serial.println(central.address());
// 書き込みフラグをON
isWritting = true;
}
void blePeripheralDisconnectHandler(BLEDevice central) {
// central disconnected event handler
Serial.print("Disconnected event, central: ");
Serial.println(central.address());
// 書き込みフラグをOFF
isWritting = false;
}
//Writeイベント
void switchCharacteristicWritten(BLEDevice central, BLECharacteristic characteristic) {
// central wrote new value to characteristic, update LED
Serial.println(F("Characteristic event, writen: "));
// 書き込みフラグをON
//isWritting = true;
//Write受信データサイズ
LED_RecieveLength = characteristic.valueLength();
//Writeデータ最大サイズ(16)回ループ
//LED_RecieveValue[16] = {};
memset(LED_RecieveValue, '¥0', sizeof(LED_RecieveValue));
for(int loopcount = 0; loopcount < 16; loopcount++){
LED_RecieveValue[loopcount] = *(characteristic.value()+loopcount);
}
//ヘッダとペイロード切り分け、ヘッダは必要部分だけ抽出。ペイロードは配列に格納。
if (LED_RecieveValue[0] == 0x77) {
isWritting = true;
ConcateCount = 0;
PayloadLineCounter = 0;
save_Flash = LED_RecieveValue[6];
save_Marqee = LED_RecieveValue[7];
save_speed_mode = LED_RecieveValue[8];
//DebugLEDOnOff();
//ヘッダ抽出 ※後で配列でなく変数にする。
} else {
//Debug
//DebugLEDOnOff();
//ヘッダ抽出続き
if(ConcateCount == 1){
//ヘッダから文字数を取得
B1122_CharLength = LED_RecieveValue[1];
//ペーロードのサイズを算出 ( 文字数 * 11 )
WritePayloadSize = B1122_CharLength * ONE_CHAR_SIZE;
//ペイロードの数 16byteのペイロードの数を算出
//文字データ数(文字数x11Byte) / 16 + 1(あまりが出た時)
B1122_PayloadLines = WritePayloadSize / MAX_WRITE_LENGTH;
SurplusLength = WritePayloadSize % MAX_WRITE_LENGTH;
if( SurplusLength != 0){
B1122_PayloadLines = B1122_PayloadLines + 1;
}
//配列初期化(文字数 x 11)
//LED_payload[WritePayloadSize] = {};
memset(LED_payload, '¥0', sizeof(LED_payload));
//ペイロード格納
}else if(ConcateCount >= 4){
//最終行のあまりがでるまでPayloadをマージ格納
for(margecount = 0; margecount < MAX_WRITE_LENGTH; margecount++){
//ペイロードカウントがMAXペイロード数未満
if((PayloadLineCounter < B1122_PayloadLines)){
LED_payload[(PayloadLineCounter * MAX_WRITE_LENGTH) + margecount] = LED_RecieveValue[margecount];
}else{
//最後のPayload
//ループカウンタがデータが埋まってるところまでデータ移行
if(margecount < (MAX_WRITE_LENGTH - SurplusLength)){
LED_payload[(PayloadLineCounter * MAX_WRITE_LENGTH) + margecount] = LED_RecieveValue[margecount];
}
}
}
PayloadLineCounter++;
}
//
/**/
//連結カウンタが最大値(全データ受信)
if(PayloadLineCounter == B1122_PayloadLines){
int charcount = 0; //文字byteデータ格納ループカウンタ
int B1144dotcout = 0; //1文字(11byte)カウンタ
int MAX7219dotcout = 0; //1文字(8byte)カウンタ
//文字列(文字数x8)分の配列初期化
//MAX7219__payload[B1122_CharLength * 8] = {};
memset(MAX7219__payload, '¥0', sizeof(MAX7219__payload));
//文字数分ループ
//
//Debug ダミーデータ(NORA)を格納。
/**
MAX7219__payload[5*8] = {};
LED_payload[55] = {};
uint8_t deb[55] = {0x00, 0x00, 0x7e, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x18, 0x00,
0x00, 0x00, 0xfe, 0xc0, 0xc0, 0xfe, 0xc0, 0xc0, 0xc0, 0xfe, 0x00,
0x00, 0x00, 0xfe, 0xc6, 0xc6, 0xfe, 0xc6, 0xc6, 0xc6, 0xc6, 0x00,
0x00, 0x00, 0xc6, 0xee, 0xfe, 0xd6, 0xc6, 0xc6, 0xc6, 0xc6, 0x00,
0x00, 0x00, 0x7C, 0x00, 0xFE, 0x10, 0x10, 0x10, 0x20, 0x40, 0x00};
for(int t=0;t<55;t++){
LED_payload[t] = deb[t];
}
B1122_CharLength = 5;
/**/
//Debug
//
int display_mode = save_speed_mode & 0x0F;
if(display_mode == MODE_RIGHT){
for(int blankcount = 0; blankcount < blanklength; blankcount++){
MAX7219__payload[ MAX7219dotcout] = 0x00;
MAX7219dotcout++;
}
}
for(charcount = 0; charcount < B1122_CharLength; charcount++){
//11byte分ループ
for(B1144dotcout = 0; B1144dotcout < ONE_CHAR_SIZE; B1144dotcout++){
//上2列、下1列は格納しない。
if((B1144dotcout != 0) && (B1144dotcout != 1) && (B1144dotcout != 10) ){
MAX7219__payload[MAX7219dotcout] = LED_payload[(charcount*11) + B1144dotcout];
MAX7219dotcout++;
}
}
}
if(display_mode != MODE_RIGHT){
for(int blankcount = 0; blankcount < blanklength; blankcount++){
MAX7219__payload[ MAX7219dotcout ] = 0x00;
MAX7219dotcout++;
}
}
//文字列長差し替え
MAX7219__CharLength = B1122_CharLength + 4;
display_Flash = save_Flash;
display_Marqee = save_Marqee;
display_speed_mode = save_speed_mode;
//書き込み中フラグをオフ
isWritting = false;
}
}
ConcateCount++;
//delay(50);
}
void MAX7219Display(uint8_t *dotArray,int charlen, uint8_t Flash, uint8_t Marquee, uint8_t SpMode){
uint8_t font[8];
uint8_t* ptr = MAX7219_getBuffer();
uint8_t Mode = 0;
uint8_t Speed = 0;
uint8_t* WkdotArray;
uint8_t wkbuff[8*4];
memset(wkbuff, '¥0', sizeof(wkbuff));
// モードの取得
Mode = SpMode & 0x0F;
// スピードの取得
Speed = SpMode >> 4;
Speed = Speed & 0x0F;
/* LEDの表示を初期化する */
// MAX7219_clear();
// 4文字以下なら4文字にする
if(charlen < 4){
memcpy(wkbuff, dotArray, charlen*8);
charlen = 4;
WkdotArray = wkbuff;
}
else{
WkdotArray = dotArray;
}
/* スクロール表示 */
// 右スクロール
if(Mode == MODE_RIGHT){
for (int8_t x=-8*charlen-16; x<=17; x++) {
uint16_t n = 0;
matrix.clear();
matrix1.clear();
matrix.setCursor(x,0);
matrix1.setCursor(x+16,0);
for(int Mcount = 0; Mcount < charlen; Mcount++){
memcpy(font, WkdotArray+(Mcount*8), 8);
matrix.drawBitmap(x+n,0,font,8,8,1);
matrix1.drawBitmap(x+16+n,0,font,8,8,1);
n+=8;
}
matrix.writeDisplay();
matrix1.writeDisplay();
delay(100+((3-Speed)*20));
}
}
// 左スクロール
else{
for (int8_t x=17; x>=-8*charlen-16; x--) {
uint16_t n = 0;
matrix.clear();
matrix1.clear();
matrix.setCursor(x,0);
matrix1.setCursor(x+16,0);
for(int Mcount = 0; Mcount < charlen; Mcount++){
memcpy(font, WkdotArray+(Mcount*8), 8);
matrix.drawBitmap(x+n,0,font,8,8,1);
matrix1.drawBitmap(x+16+n,0,font,8,8,1);
n+=8;
}
matrix.writeDisplay();
matrix1.writeDisplay();
delay(100+((3-Speed)*20));
}
}
return;
}
void DebugLEDOnOff(){
digitalWrite(LED_PIN, LOW); // LED ON
delay(100);
digitalWrite(LED_PIN, HIGH); // LED OFF
delay(100);
}
// for example
void TestLEDMatrix(){
uint8_t buf[8];
char *str="日本語のテストです";
for (int8_t x=17; x>=-88; x--) {
char *ptr = str;
uint16_t n = 0;
matrix.clear();
matrix1.clear();
matrix.setCursor(x,0);
matrix1.setCursor(x+16,0);
while(*ptr){
ptr = getFontData(buf,ptr,true);
if(!ptr)
break;
matrix.drawBitmap(x+n,0,buf,8,8,1);
matrix1.drawBitmap(x+16+n,0,buf,8,8,1);
n+=8;
}
matrix.writeDisplay();
matrix1.writeDisplay();
delay(20);
}
}