SO1602A Lib. SO1602A is Organic LED, has 16 chars and 2 lines. This lib supports printf() of C-Language. http://akizukidenshi.com/catalog/g/gP-08276/
Dependents: NEW_LineTraceHub NEW_LineTraceHub_2 ColorSensorTest
SO1602A.h
00001 /** SO1602A is Organic-LED, and has 16 chars/line and 2 lines. 00002 * 00003 * This librarry supports "printf()" C format. 00004 * 00005 * 00006 * @code 00007 * #include "mbed.h" 00008 * #include "SO1602A.h" 00009 * I2C i2c(p28, p27); 00010 * SO1602A oled(i2c); 00011 * DigitalOut led[]= {LED1, LED2, LED3, LED4}; 00012 * int main() 00013 * { 00014 * oled.init(); 00015 * int iter= 0; 00016 * while(true) { 00017 * led[0] = !led[0]; 00018 * oled.printf("iter: %5.5d.", iter); 00019 * wait(1.0f); 00020 * if(iter%10 == 0) // 10s 00021 * oled.clear(); 00022 * iter++; 00023 * } 00024 * } 00025 * @endcode 00026 */ 00027 00028 #pragma once 00029 00030 #include "mbed.h" 00031 00032 // SA0(Pin4); Low: i2c_addr= 0x78, High: 0x7a; 00033 // DDRAM addr. Line1: 0x00 ~ 0x0f. Line2: 0x20 ~ 0x2f. 00034 00035 class SO1602A : public Stream{ 00036 public: 00037 SO1602A (PinName sda, PinName scl, char address= 0x78); 00038 SO1602A (I2C &_i2c, char address= 0x78); 00039 ~SO1602A(); 00040 // ******************** printf() future of C-language. *************************** 00041 00042 /** Initialize 00043 */ 00044 void init(); 00045 00046 /** Clear Display. 00047 */ 00048 void clear(); 00049 00050 /** Set Position of char. 00051 * @param col: column, row: rows. 00052 */ 00053 void locate(int col, int row); 00054 00055 /** Set Contrast. 00056 * @param val; 256steps, 0x00 ~ 0xff. Contrast increas as the value. 00057 */ 00058 void setContrast(char val); 00059 00060 /** Set Display flag. 00061 * @parm Enable Display, Cursor turned on, Cursor Blink. 00062 */ 00063 void setDispFlag(bool disp= true, bool cursor= true, bool blink= true); 00064 00065 private: 00066 I2C *p_i2c; 00067 I2C &i2c; 00068 char addr; 00069 char buf[3]; 00070 int col, row; 00071 00072 bool cmd(char chr); 00073 00074 // virtual func for printf() in Stream-class. 00075 virtual int _putc(int val); 00076 virtual int _getc(); 00077 00078 // Function SET 00079 void setRE(); 00080 void clearRE(); 00081 void setSD(); 00082 void clearSD(); 00083 00084 }; 00085 00086 // EOF
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