#include #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 #define SET_COLOR_TEXT 0x51 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: char * colorTextGroup[2] = {"미세먼지\n","보통"}; // 디스플레이 출력 텍스트 : "미세먼지\n","보통" int textTotalLen = strlen(colorTextGroup[0]) + strlen(colorTextGroup[1]); // 텍스트 길이 계산 uint8_t fontSize = 1; // 폰트 크기 : 1 uint8_t actionCmd = 0x00; // 액션 : 디폴트 short actionTime = 0x00000; // 액션 이동 시간 : 0 uint8_t saveCmdGap = 0; // 플래시 저장 여부 : false uint8_t pageNum = 0; // 페이지 : 0 int chColor[2]; // (미세먼지)폰트 컬러 : white chColor[0] = 0x00ffffff; // (미세먼지)폰트 컬러 : white chColor[1] = 0x00ff0000; // (보통)폰트 컬러 : red int bgColor = 0x00000000; // 배경 색 : black uint8_t textGroupCount = 2; // 텍스트 그룹 카운트: 2 ("미세먼지","보통") uint8_t effectCmd = 0x03; // 효과 : 없음 short effectBorderTime = 0x00; // Effect Border Blink 주기 int effectBorderColor = 0; // Effect Border RGB 색상 uint8_t effectColorSpeed= 0x00; // Effect Color effect 주기 short effectStarRainTime= 0x00; //Effect Star 속도 int idx = INIT_VALUE; int bufLen = (SIZE_PAGE + SIZE_BG_COLOR + SIZE_FONT_SIZE + SIZE_TEXT_GROUP_COUNT + SIZE_ACTION_CMD + SIZE_ACTION_TIME +SIZE_EFFECT_PACKET); bufLen += (textTotalLen); bufLen += (SIZE_FONT_COLOR * textGroupCount); bufLen += (SIZE_TEXT_LEN * textGroupCount); char * sendBuf = (char*) malloc (bufLen); sendBuf[idx++] = pageNum; // BG Color sendBuf[idx++] = (uint8_t)(((bgColor & 0x00ff0000) >> 16) / 8); sendBuf[idx++] = (uint8_t)(((bgColor & 0x0000ff00) >> 8) / 8); sendBuf[idx++] = (uint8_t)(((bgColor & 0x000000ff) >> 0) / 8); sendBuf[idx++] = fontSize; sendBuf[idx++] = textGroupCount; // Color Text Group for (int i = 0; i < textGroupCount; i++) { sendBuf[idx++] = strlen(colorTextGroup[i]); // Color Group Text Size Send for (int j = 0; j > 16) / 8); sendBuf[idx++] = (uint8_t)(((chColor[i] & 0x0000ff00) >> 8) / 8); sendBuf[idx++] = (uint8_t)(((chColor[i] & 0x000000ff) >> 0) / 8); } uint8_t _cmd = (uint8_t)(SET_COLOR_TEXT + saveCmdGap); sendBuf[idx++] = actionCmd; sendBuf[idx++] = (uint8_t)((actionTime & 0x0000ff00) >> 8); sendBuf[idx++] = (uint8_t)(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); transmit_data(_cmd, (char*)sendBuf, bufLen); 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> 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; }