不韋 呂
Nucleo F401RE で使える I2C 接続の LCD ACM1602Ni 用のライブラリの使用例． Demo program of library for LCD ACM1602Ni connected using I2C interface on Nucleo F401.
Dependencies: UIT_ACM1602NI mbed
Diff: main.cpp
- Revision:
- 0:132eb47d57fb
- Child:
- 1:d5e9bd9b38ad
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Mon Jul 06 09:46:13 2015 +0000
@@ -0,0 +1,44 @@
+//------------------------------------------------------------
+// Demo program for LCD ACM1602NI using I2C interface
+// Pullup resistors for SDA and SCL: 4.7 kΩ
+// 2015/04/16, Copyright (c) 2015 MIKAMI, Naoki
+//------------------------------------------------------------
+
+#include "ACM1602NI.hpp"
+using namespace Mikami;
+
+Acm1602Ni lcd_; // Default, OK
+//Acm1602Ni lcd_(D14, D15); // OK
+//Acm1602Ni lcd_(D14, D15, 200000); // OK
+//Acm1602Ni lcd_(D14, D15, 200000, true, true); // OK
+//Acm1602Ni lcd_(PB_3, PB_10); // OK
+//Acm1602Ni lcd_(PC_9, PA_8); // OK
+//Acm1602Ni lcd_(PB_4, PA_8); // OK
+
+Ticker timer_;
+
+// Display elapsed time in minutes and seconds
+void TimerIsr()
+{
+ static int k = 0;
+ int sec = k % 60; // seconds
+ int min = k / 60; // minits
+ char str[20];
+ sprintf(str, "%d'%2d\"", min, sec);
+ lcd_.WriteStringXY(str, 0, 1);
+ k++;
+}
+
+int main()
+{
+ if (lcd_.IsConnected()) printf("\r\nConnected");
+ else printf("\r\nDisconnected");
+
+ lcd_.WriteString("Hello World!");
+
+ TimerIsr();
+ timer_.attach(&TimerIsr, 1);
+
+ while (true) {}
+}
+