A library for AQM0802A I2C connecting LCD module.
Revision 1:39cf7f91a7ba, committed 2014-08-13
- Comitter:
- kunichiko
- Date:
- Wed Aug 13 13:14:21 2014 +0000
- Parent:
- 0:414db8b8aaad
- Commit message:
- Replace print() with Stream's printf() method.
Changed in this revision
| KuAQM0802A.cpp | Show annotated file Show diff for this revision Revisions of this file |
| KuAQM0802A.h | Show annotated file Show diff for this revision Revisions of this file |
--- a/KuAQM0802A.cpp Sun Jul 20 14:28:45 2014 +0000
+++ b/KuAQM0802A.cpp Wed Aug 13 13:14:21 2014 +0000
@@ -50,19 +50,10 @@
}
/**
- * Print a string
+ * Print a character
*/
-void KuAQM0802A::print(const char *str) {
- while(*str) {
- bool last;
- if(*(str + 1)) {
- last = false;
- } else {
- last = true;
- }
- send(!last, true, *str);
- str++;
- }
+void KuAQM0802A::print_char(const int character) {
+ send(false, true, character);
}
/**
--- a/KuAQM0802A.h Sun Jul 20 14:28:45 2014 +0000
+++ b/KuAQM0802A.h Wed Aug 13 13:14:21 2014 +0000
@@ -6,7 +6,7 @@
/**
* A library for AQM0802A I2C connecting LCD.
*/
-class KuAQM0802A {
+class KuAQM0802A : public Stream {
private:
I2C &i2c;
@@ -36,10 +36,10 @@
void locate(unsigned int x, unsigned int y);
/**
- * Print a string
- * @param str A character string to print
+ * Print a character
+ * @param character A character to print
*/
- void print(const char *str);
+ void print_char(const int character);
/**
* Change LCD contrast
@@ -47,6 +47,10 @@
*/
void set_contrast(unsigned int contrast);
+ // for Stream implementation
+ virtual int _putc(int value) { print_char(value); return 1; };
+ virtual int _getc() { return -1; };
+
private:
void send_cmd(char cmd);
Kunihiko Ohnaka