눈 꽃 효과
Result
사용 명령어
SET_TEXT
Example
#include <HardwareSerial.h>
#define MAX_SERIAL_BUF 1024
#define PACKET_SIZE (9*1024)+20 // 9Kbyte + 20byte
#define STX 0x02
#define ETX 0x03
//#define ACK 0x06
#define NCK 0x15
/* Transmit Protocol Packet Define */
#define SIZE_STX 1
#define SIZE_LEN1 2
#define SIZE_LEN2 2
#define SIZE_CMD 1
#define SIZE_CRC 2
#define SIZE_ETX 1
#define SIZE_FIELD 5
#define SIZE_PAGE 1
#define SIZE_SET_DRAW_FIELD SIZE_FIELD + SIZE_PAGE + SIZE_LEN1
#define SIZE_WIFI_SSID 1
#define SIZE_WIFI_PW 1
#define SIZE_WIFI_STATUS 1
#define SIZE_PKT_DATA SIZE_STX + SIZE_LEN1 + SIZE_LEN2 + SIZE_CMD + SIZE_CRC + SIZE_ETX;
#define IDX_STX 0
#define IDX_LEN IDX_STX + SIZE_STX
#define IDX_CMD IDX_LEN + SIZE_LEN1 + SIZE_LEN2
#define IDX_CRC IDX_CMD + SIZE_CMD
#define IDX_ETX IDX_CRC + SIZE_CRC
/* Byte Size Define */
#define INIT_VALUE 0
#define SIZE_TEXT_LEN 1
#define SIZE_FONT_SIZE 1
#define SIZE_FONT_COLOR 3
#define SIZE_BG_COLOR 3
#define SIZE_WORD_LEN 1
#define SIZE_ACTION_CMD 1
#define SIZE_ACTION_TIME 2
#define SIZE_TEXT_GROUP_COUNT 1
#define SIZE_EFFECT_PACKET 9
#define SET_TEXT 0x21
static const unsigned short crc16tab[256]= {
0x0000,0x1021,0x2042,0x3063,0x4084,0x50a5,0x60c6,0x70e7,
0x8108,0x9129,0xa14a,0xb16b,0xc18c,0xd1ad,0xe1ce,0xf1ef,
0x1231,0x0210,0x3273,0x2252,0x52b5,0x4294,0x72f7,0x62d6,
0x9339,0x8318,0xb37b,0xa35a,0xd3bd,0xc39c,0xf3ff,0xe3de,
0x2462,0x3443,0x0420,0x1401,0x64e6,0x74c7,0x44a4,0x5485,
0xa56a,0xb54b,0x8528,0x9509,0xe5ee,0xf5cf,0xc5ac,0xd58d,
0x3653,0x2672,0x1611,0x0630,0x76d7,0x66f6,0x5695,0x46b4,
0xb75b,0xa77a,0x9719,0x8738,0xf7df,0xe7fe,0xd79d,0xc7bc,
0x48c4,0x58e5,0x6886,0x78a7,0x0840,0x1861,0x2802,0x3823,
0xc9cc,0xd9ed,0xe98e,0xf9af,0x8948,0x9969,0xa90a,0xb92b,
0x5af5,0x4ad4,0x7ab7,0x6a96,0x1a71,0x0a50,0x3a33,0x2a12,
0xdbfd,0xcbdc,0xfbbf,0xeb9e,0x9b79,0x8b58,0xbb3b,0xab1a,
0x6ca6,0x7c87,0x4ce4,0x5cc5,0x2c22,0x3c03,0x0c60,0x1c41,
0xedae,0xfd8f,0xcdec,0xddcd,0xad2a,0xbd0b,0x8d68,0x9d49,
0x7e97,0x6eb6,0x5ed5,0x4ef4,0x3e13,0x2e32,0x1e51,0x0e70,
0xff9f,0xefbe,0xdfdd,0xcffc,0xbf1b,0xaf3a,0x9f59,0x8f78,
0x9188,0x81a9,0xb1ca,0xa1eb,0xd10c,0xc12d,0xf14e,0xe16f,
0x1080,0x00a1,0x30c2,0x20e3,0x5004,0x4025,0x7046,0x6067,
0x83b9,0x9398,0xa3fb,0xb3da,0xc33d,0xd31c,0xe37f,0xf35e,
0x02b1,0x1290,0x22f3,0x32d2,0x4235,0x5214,0x6277,0x7256,
0xb5ea,0xa5cb,0x95a8,0x8589,0xf56e,0xe54f,0xd52c,0xc50d,
0x34e2,0x24c3,0x14a0,0x0481,0x7466,0x6447,0x5424,0x4405,
0xa7db,0xb7fa,0x8799,0x97b8,0xe75f,0xf77e,0xc71d,0xd73c,
0x26d3,0x36f2,0x0691,0x16b0,0x6657,0x7676,0x4615,0x5634,
0xd94c,0xc96d,0xf90e,0xe92f,0x99c8,0x89e9,0xb98a,0xa9ab,
0x5844,0x4865,0x7806,0x6827,0x18c0,0x08e1,0x3882,0x28a3,
0xcb7d,0xdb5c,0xeb3f,0xfb1e,0x8bf9,0x9bd8,0xabbb,0xbb9a,
0x4a75,0x5a54,0x6a37,0x7a16,0x0af1,0x1ad0,0x2ab3,0x3a92,
0xfd2e,0xed0f,0xdd6c,0xcd4d,0xbdaa,0xad8b,0x9de8,0x8dc9,
0x7c26,0x6c07,0x5c64,0x4c45,0x3ca2,0x2c83,0x1ce0,0x0cc1,
0xef1f,0xff3e,0xcf5d,0xdf7c,0xaf9b,0xbfba,0x8fd9,0x9ff8,
0x6e17,0x7e36,0x4e55,0x5e74,0x2e93,0x3eb2,0x0ed1,0x1ef0
};
void transmit_data(char cmd, char* data, uint32_t len);
uint16_t crc16_ccitt(uint8_t *buf, int len);
void setup() {
// put your setup code here, to run once:
Serial.begin(115200);
Serial2.begin(115200,SERIAL_8N1, 18, 19);
// put your main code here, to run repeatedly:
delay(3000);
char * text = "날씨\n맑음"; // 디스플레이 출력 텍스트
int textColor = 0x00ff0000; // 폰트 컬러 : red
int bgColor = 0x00000000; // 배경 색 : black
uint8_t fontSize = 1; // 폰트 크기 : 1
uint8_t actionCmd = 0x00; // 액션 : 디폴트
uint8_t pageNum = 1; // 페이지 : 1
short actionTime = 0x00; // 액션 이동 시간 : 00
uint8_t effectCmd = 0x04; // 효과
short effectBorderTime = 0x00; // Effect Border Blink 주기
int effectBorderColor = 0; // Effect Border RGB 색상
uint8_t effectColorSpeed= 0xF0; // Effect Color effect 주기
short effectStarRainTime= 0x00FF; //Effect Star 속도
char * sendBuf;
uint8_t textLen;
int idx= 0;
int sendBufLen;
uint8_t cmd;
uint8_t fontColor[3];
uint8_t scrColor[3];
textLen = strlen(text);
sendBufLen = SIZE_PAGE + SIZE_TEXT_LEN + textLen + SIZE_FONT_SIZE + SIZE_FONT_COLOR + SIZE_BG_COLOR + SIZE_ACTION_CMD + SIZE_ACTION_TIME +SIZE_EFFECT_PACKET;
sendBuf = (char*)malloc(sendBufLen);
fontColor[0] = (uint8_t) (((textColor & 0x00ff0000) >> 16) / 8); // font color - red
fontColor[1] = (uint8_t) (((textColor & 0x0000ff00) >> 8) / 8); // font color - blue
fontColor[2] = (uint8_t) (((textColor & 0x000000ff) >> 0) / 8); // font color - blue
scrColor[0] = (uint8_t) (((bgColor & 0x00ff0000) >> 16) / 8); // screen color - red
scrColor[1] = (uint8_t) (((bgColor & 0x0000ff00) >> 8) / 8); // screen color - blue
scrColor[2] = (uint8_t) (((bgColor & 0x000000ff) >> 0) / 8); // screen color - blue
sendBuf[idx++] = pageNum;
sendBuf[idx++] = textLen;
for (int i = 0; i <textLen; i++) {
sendBuf[idx++] = text[i];
}
sendBuf[idx++] = fontSize;
sendBuf[idx++] = fontColor[0];
sendBuf[idx++] = fontColor[1];
sendBuf[idx++] = fontColor[2];
sendBuf[idx++] = scrColor[0];
sendBuf[idx++] = scrColor[1];
sendBuf[idx++] = scrColor[2];
sendBuf[idx++] = actionCmd;
sendBuf[idx++] = (actionTime & 0x0000ff00 >> 8);
sendBuf[idx++] = (actionTime & 0x000000ff);
sendBuf[idx++] = (effectCmd& 0x000000ff);
sendBuf[idx++] = (effectBorderTime & 0x0000ff00 >> 8);
sendBuf[idx++] = (effectBorderTime & 0x000000ff);
sendBuf[idx++] = (((effectBorderColor & 0x00ff0000) >> 16) / 8);
sendBuf[idx++] = (((effectBorderColor & 0x0000ff00) >> 8) / 8);
sendBuf[idx++] = (((effectBorderColor & 0x000000ff) >> 0) / 8);
sendBuf[idx++] = effectColorSpeed;
sendBuf[idx++] = ((effectStarRainTime & 0x0000ff00) >> 8);
sendBuf[idx++] = (effectStarRainTime & 0x000000ff);
cmd = (uint8_t)SET_TEXT;
transmit_data(cmd, (char*)sendBuf, sendBufLen);
free(sendBuf);
}
void loop() {
}
void transmit_data(char cmd, char* data, uint32_t len)
{
uint16_t crc = 0;
uint32_t inx = 0;
uint8_t* sendData;
uint8_t* cmdData;
uint16_t dataLen;
uint16_t sendLen;
uint16_t sendDataLen;
dataLen = (uint16_t)(len + SIZE_CMD);
sendLen = len + SIZE_PKT_DATA;
sendDataLen = sendLen;
sendData = (uint8_t*)malloc(sendDataLen);
memset(sendData, 0, sendLen);
sendData[inx++] = STX;
sendData[inx++] = (uint8_t)(dataLen);
sendData[inx++] = (uint8_t)(dataLen >> 8);
sendData[inx++] = (uint8_t)(dataLen);
sendData[inx++] = (uint8_t)(dataLen >> 8);
sendData[inx++] = cmd;
for (int i=0; i<len; i++) {
sendData[inx++] = data[i];
}
cmdData = (uint8_t*)malloc(dataLen);
memset(cmdData, 0, dataLen);
memcpy(cmdData, sendData + IDX_CMD, dataLen);
crc = crc16_ccitt(cmdData, dataLen);
sendData[inx++] = (crc & 0xFF00) >> 8;
sendData[inx++] = (crc & 0x00FF);
sendData[inx++] = ETX;
for (int i=0; i < sendDataLen; i++) {
Serial2.write(sendData[i]);
Serial.printf("%02X ", sendData[i]);
}
free(cmdData);
free(sendData);
}
uint16_t crc16_ccitt(uint8_t *buf, int len)
{
int counter;
unsigned short crc = 0;
for( counter = 0; counter < len; counter++)
//crc = (crc<<8) ^ crc16tab[((crc>>8) ^ buf[counter]) &0x00FF];
crc = (crc<<8) ^ crc16tab[((crc>>8) ^ *(uint8_t *)buf++)&0x00FF];
return crc;
}