Embedded Files
2024/11/18
目標
目標
下載安裝函式庫並使用 DS1302 時鐘模組紀錄時間。
過程
過程
透過程式庫管理員安裝函式庫
透過程式庫管理員安裝函式庫
程式庫管理員頁面。
Arduino IDE 上方工具列點擊工具 > 管理程式庫，搜尋需要的程式庫點擊及安裝即可。
透過壓縮檔安裝函式庫
透過壓縮檔安裝函式庫
Arduino IDE 上方工具列點擊草稿碼 > 匯入程式庫 > 加入 .ZIP 程式庫，選擇從原始碼倉庫下載的壓縮檔安裝即可。
DS1302輸出到序列埠
DS1302輸出到序列埠
每隔 10 秒輸出一次時間。
#include <Wire.h>
#include <ThreeWire.h>
#include <RtcDS1302.h>
ThreeWire myWire(A6, A5, A7);
RtcDS1302<ThreeWire> Rtc(myWire);
void setup () {
Serial.begin(9600);
Serial.print("compiled: ");
Serial.print(__DATE__);
Serial.println(__TIME__);
Rtc.Begin();
RtcDateTime compiled = RtcDateTime(__DATE__, __TIME__);
printDateTime(compiled);
Serial.println();
if (!Rtc.IsDateTimeValid()) {
Serial.println("RTC lost confidence in the DateTime!");
Rtc.SetDateTime(compiled);
}
if (Rtc.GetIsWriteProtected()) {
Serial.println("RTC was write protected, enabling writing now");
Rtc.SetIsWriteProtected(false);
}
if (!Rtc.GetIsRunning()) {
Serial.println("RTC was not actively running, starting now");
Rtc.SetIsRunning(true);
}
RtcDateTime now = Rtc.GetDateTime();
if (now < compiled) {
Serial.println("RTC is older than compile time! (Updating DateTime)");
Rtc.SetDateTime(compiled);
} else if (now > compiled) {
Serial.println("RTC is newer than compile time. (this is expected)");
} else if (now == compiled) {
Serial.println("RTC is the same as compile time! (not expected but all is fine)");
}
}
void loop () {
RtcDateTime now = Rtc.GetDateTime();
printDateTime(now);
Serial.println();
if (!now.IsValid()) {
Serial.println("RTC lost confidence in the DateTime!");
}
delay(10000);
}
#define countof(a) (sizeof(a) / sizeof(a[0]))
void printDateTime(const RtcDateTime& dt) {
char datestring[20];
snprintf_P(datestring, countof(datestring), PSTR("%02u/%02u/%04u %02u:%02u:%02u"), dt.Month(), dt.Day(), dt.Year(), dt.Hour(), dt.Minute(), dt.Second() );
Serial.print(datestring);
}
DS1302輸出到數碼管螢幕
DS1302輸出到數碼管螢幕
在數碼管螢幕上顯示目前時間。
#include <ThreeWire.h>
#include <RtcDS1302.h>
#include <TM1637Display.h>
#define countof(a) (sizeof(a) / sizeof(a[0]))
#define CLK 11
#define DIO 12
TM1637Display display(CLK, DIO);
ThreeWire myWire(7, 6, 5);
RtcDS1302<ThreeWire> Rtc(myWire);
void setup() {
Serial.begin(9600);
display.setBrightness(7);
Serial.print("compiled: ");
Serial.print(__DATE__);
Serial.println(__TIME__);
Rtc.Begin();
RtcDateTime compiled = RtcDateTime(__DATE__, __TIME__);
printDateTime(compiled);
Serial.println();
if (!Rtc.IsDateTimeValid()) {
Serial.println("RTC lost confidence in the DateTime!");
Rtc.SetDateTime(compiled);
}
if (Rtc.GetIsWriteProtected()) {
Serial.println("RTC was write protected, enabling writing now");
Rtc.SetIsWriteProtected(false);
}
if (!Rtc.GetIsRunning()) {
Serial.println("RTC was not actively running, starting now");
Rtc.SetIsRunning(true);
}
RtcDateTime now = Rtc.GetDateTime();
if (now < compiled) {
Serial.println("RTC is older than compile time! (Updating DateTime)");
Rtc.SetDateTime(compiled);
} else if (now > compiled) {
Serial.println("RTC is newer than compile time. (this is expected)");
} else if (now == compiled) {
Serial.println("RTC is the same as compile time! (not expected but all is fine)");
}
}
void loop() {
RtcDateTime now = Rtc.GetDateTime();
printDateTime(now);
Serial.println();
if (!now.IsValid()) {
Serial.println("RTC lost confidence in the DateTime!");
}
}
void printDateTime(const RtcDateTime &dt) {
char datestring[20];
snprintf_P(datestring, countof(datestring), PSTR("%02u/%02u/%04u %02u:%02u:%02u"), dt.Month(), dt.Day(), dt.Year(), dt.Hour(), dt.Minute(), dt.Second());
Serial.println(dt.Minute());
display.showNumberDecEx(dt.Hour(), 0b11100000, 2, 2);
display.showNumberDecEx(dt.Minute(), 0b11100000, true, 2, 2);
delay(1000);
}
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