Tadao Iida
エレキジャック Web版 mbedで初めてのマイコン開発 LCDを極める！でLCDに表示された文字列がスライドするプログラムです。http://www.eleki-jack.com/arm/mbed/cat691/lcd-1/ <5/5>にスライド文字列用のプログラム解説があります。
Diff: main.cpp
- Revision:
- 0:d4893e58d648
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Wed Sep 22 12:52:23 2010 +0000
@@ -0,0 +1,48 @@
+#include "mbed.h"
+#include "TextLCD.h"
+
+void slideMessage(char* ,double ,int );
+//slideMessage(message, slidetime, row )
+
+TextLCD lcd(p24,p26,p27,p28,p29,p30);
+#define SIZE 16
+// I don't test TextLCD 20x ... 16x2B
+
+int main() {
+ char msg[] = "1234567890123456" ;
+ char msg1[] = "Welcome to mbed! mbed is a tool for Rapid Prototyping with Microcontrollers." ;
+ slideMessage(msg1, 0.5,0);
+ return 0 ;
+}
+
+void slideMessage(char msg[], double time,int row)
+{
+ int j, k ;
+ int len = ( strlen(msg) ) ;
+
+ lcd.cls();
+
+ while(1){
+ for (j = SIZE -1 ; j>=0 ; j-- ){
+ for ( k = j ; k < SIZE ; k++ ){
+ lcd.locate(k,row);
+ if ( len > (k - j) )
+ lcd.printf("%c",msg[k-j]) ;
+ else
+ lcd.printf(" ") ;
+ }
+ wait(time) ;
+ }
+
+ for ( j = 1 ; j <= len ; j++ ){
+ for ( k = 0; k < SIZE ; k++ ){
+ lcd.locate(k,row) ;
+ if( ( k + j ) < len )
+ lcd.printf("%c",msg[k+j]) ;
+ else
+ lcd.printf(" ") ;
+ }
+ wait(time) ;
+ }
+ }
+}