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發(fā)布時(shí)間: 2024-3-29 19:37
正文摘要:各位好: 我剛開(kāi)始學(xué)習(xí)Arduino, 並多用模塊進(jìn)行練習(xí). 現(xiàn)請(qǐng)問(wèn)一下, TM1650是否只能顯示文字串, 不能顯示數(shù)字? 如果我想顯示數(shù)字的累加或遞減, 如何換為文字串呢? 謝謝! /* 1. .init(); &nb ... |
我猜你想描述的是動(dòng)態(tài)顯示數(shù)據(jù)的問(wèn)題,用sprintf函數(shù)即可 |
1650本身就是專為數(shù)碼管設(shè)計(jì)的,4位7段或8段,顯示內(nèi)容最多只有4*8點(diǎn),要顯示一個(gè)5*8的點(diǎn)陣都不能完整,你還要顯示字符?或許可以顯示經(jīng)過(guò)變形的LED字體,但你不一定認(rèn)識(shí)顯示的是什么。![]() 如果一定要顯示字符,可以考慮用更多點(diǎn)數(shù)的IC,比如1629,可以顯示8*16點(diǎn),一個(gè)IC可顯示3個(gè)5*8的字符,有余下的點(diǎn),還可以做其它顯示內(nèi)容。 |
TM1650是專門為數(shù)碼管設(shè)計(jì)的驅(qū)動(dòng)芯片,一般只是用來(lái)顯示數(shù)字。你說(shuō)的顯示文字串,不明白你是何意 |
復(fù)制一個(gè)我從網(wǎng)上下載的程序給你看一下 /* ESP8266的SoftAP+Web Server配網(wǎng)功能 開(kāi)源帶庫(kù)(帶NTP數(shù)碼管時(shí)鐘) */ #include <Wire.h> #include <ESP8266WebServer.h> #include <TM1650.h> #include "Public.h" #include "WifiConfig.h" #include "NTP.h" /*#define SEG_A 0b00000001 #define SEG_B 0b00000010 #define SEG_C 0b00000100 #define SEG_D 0b00001000 #define SEG_E 0b00010000 #define SEG_F 0b00100000 #define SEG_G 0b01000000*/ ESP8266WebServer web(80); //WEB服務(wù)器,SoftAP默認(rèn)地址為:http://192.168.4.1 #define TM_SCL 5 //GPIO5接TM1637 SCL #define TM_SDA 13 //GPIO4接TM1637 SDA TM1650 smg; //定義特殊字符 // A // --- // F | | B // -G- // E | | C // --- // D const uint8_t SEG_boot[] = { //boot SEG_F|SEG_E|SEG_G|SEG_C|SEG_D, SEG_G|SEG_C|SEG_D|SEG_E, SEG_G|SEG_C|SEG_D|SEG_E, SEG_G|SEG_C }; const uint8_t SEG_Sn[] = { //-Sn- SEG_G, SEG_A|SEG_F|SEG_G|SEG_C|SEG_D, SEG_E|SEG_G|SEG_C, SEG_G }; const uint8_t SEG_AP[] = { //-AP- SEG_G, SEG_A|SEG_B|SEG_C|SEG_E|SEG_F|SEG_G, SEG_A|SEG_B|SEG_E|SEG_F|SEG_G, SEG_G }; void setup() { //初始化調(diào)試串口 DebugBegin(74880); //74880與bootloader的一致,啟動(dòng)時(shí)不會(huì)出現(xiàn)亂碼 DebugPrintln(); //打印回車換行 //打印軟件版本信息 const char BuildDate[]= __DATE__ ; const char BuildTime[]= __TIME__ ; DebugPrintf("App (Build %s %s) be starting...\n",BuildTime,BuildDate); //打印系統(tǒng)及芯片信息 FlashMode_t ideMode = ESP.getFlashChipMode(); DebugPrint("Arduino Core For ESP8266 Version: "); DebugPrintln(ESP.getCoreVersion()); //DebugPrintln(ESP.getFullVersion()); DebugPrint("Reset reason: "); DebugPrintln(ESP.getResetReason()); //DebugPrint("Rest info: "); DebugPrintln(ESP.getResetInfo()); DEBUG_OUTPUT.printf("Chip id: %08X\n", ESP.getChipId()); DEBUG_OUTPUT.printf("Flash real id: %08X\n", ESP.getFlashChipId()); DEBUG_OUTPUT.printf("Flash real size: %u KBytes\n", ESP.getFlashChipRealSize()/1024); DEBUG_OUTPUT.printf("IDE config Flash size: %u KBytes\n", ESP.getFlashChipSize()/1024); DEBUG_OUTPUT.printf("IDE config Flash frequency: %u MHz\n", ESP.getFlashChipSpeed()/1000000); DEBUG_OUTPUT.printf("Flash ide mode: %s\n", (ideMode == FM_QIO ? "QIO" : ideMode == FM_QOUT ? "QOUT" : ideMode == FM_DIO ? "DIO" : ideMode == FM_DOUT ? "DOUT" : "UNKNOWN")); //初始化ESP的看門狗 ESP.wdtEnable(8000); //使能軟件看門狗的觸發(fā)間隔MS ESP.wdtFeed(); //喂狗 Wire.begin( TM_SDA, TM_SCL ); smg.Init(); //時(shí)鐘數(shù)碼管顯示boot smg.SetBrightness( 1 ); //設(shè)置亮度 smg.WriteNum( SEG_boot ); //顯示boot //初始化配網(wǎng)功能,SoftAP模式下配網(wǎng):http://192.168.4.1/WifiConfig;程序升級(jí):http://192.168.4.1/update WifiConfigInit(&web); //主頁(yè)跳轉(zhuǎn),默認(rèn)跳轉(zhuǎn)到配網(wǎng)頁(yè)面 web.on("/", []() { web.sendHeader("Location", "/WifiConfig"); web.send(302, F("text/plain"), ""); }); //啟動(dòng)WebServer web.begin(); delay(100); web.client().setNoDelay(true); DebugPrintln("HTTP server started."); } bool Init = true; void loop() { ESP.wdtFeed(); //喂狗 WifiConfigTask(); //Wifi配網(wǎng)程序任務(wù) web.handleClient(); //WEB服務(wù)處理數(shù)據(jù) if(WifiConfigState()==Wifi_AP_OK) { //配網(wǎng)模式下 smg.SetBrightness( 7 ); //設(shè)置亮度 smg.WriteNum( SEG_AP ); //顯示-AP- } if(WifiConfigState()==Wifi_STA_OK) { //聯(lián)網(wǎng)模式下 if(Init) { Init=false; //在數(shù)碼管上顯示IP地址最后一段,方便瀏覽器輸入地址 IPAddress myip=WiFi.localIP(); uint8_t fourth_octet=myip[3]; uint8_t seg[4]; seg[0]=SEG_A|SEG_B|SEG_E|SEG_F|SEG_G; //P seg[1]=d.encodeDigit(fourth_octet / 100); seg[2]=d.encodeDigit(fourth_octet % 100 / 10); seg[3]=d.encodeDigit(fourth_octet % 10); smg.SetBrightness( 1 ); //設(shè)置亮度 smg.WriteNum( seg ); //顯示IP地址最后一段 unsigned long showTime = millis(); NtpInit(3600); //初始化NTP功能,每1小時(shí)對(duì)時(shí)一次 while((millis() - showTime) < 2000) delay(100); //保證IP可以顯示2s } else { task(); } } //打印當(dāng)前網(wǎng)絡(luò)狀態(tài) if(WifiConfigState()==Wifi_NoLink)DebugPrintln("Wifi config state is Wifi_NoLink"); if(WifiConfigState()==Wifi_STABegin)DebugPrintln("Wifi config state is Wifi_STABegin"); if(WifiConfigState()==Wifi_STALinking)DebugPrintln("Wifi config state is Wifi_STALinking"); //if(WifiConfigState()==Wifi_STA_OK)DebugPrintln("Wifi config state is Wifi_STA_OK"); if(WifiConfigState()==Wifi_APBegin)DebugPrintln("Wifi config state is Wifi_APBegin"); //if(WifiConfigState()==Wifi_AP_OK)DebugPrintln("Wifi config state is Wifi_AP_OK"); } time_t prevDisplay = 0; void task() { if(timeStatus() == timeNotSet) { //時(shí)間更新失敗 smg.SetBrightness( 1 ); //設(shè)置亮度 smg.WriteNum( SEG_Sn ); //顯示-Sn- } else { //更新時(shí)間顯示(時(shí)間轉(zhuǎn)換為一個(gè)千位數(shù),冒號(hào)閃爍,保留前導(dǎo)零) d.showNumberDecEx(hour()*100+minute(), (millis()%1000<500)?0b01000000:0, true); if(now() != prevDisplay) { prevDisplay = now(); //這里放只有在時(shí)間發(fā)生變化時(shí)才執(zhí)行的程序(每秒執(zhí)行一次) DebugPrintf("%.4u-%.2u-%.2u %.2u:%.2u:%.2u\n", year(), month(), day(), hour(), minute(), second()); //自動(dòng)亮度調(diào)節(jié) if(hour()>6 && hour()<22) { //白天 smg.SetBrightness( 7 ); //設(shè)置亮度 } else { //晚上 smg.SetBrightness( 1 ); //設(shè)置亮度 } } } } |
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