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SO1602A/SO1602A.h@1:9b6f10b4bc71, 2019-11-07 (annotated)
- Committer:
- M_souta
- Date:
- Thu Nov 07 11:15:29 2019 +0000
- Revision:
- 1:9b6f10b4bc71
- Parent:
- 0:cb29cf2767cd
ver2.0.1
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
M_souta | 0:cb29cf2767cd | 1 | /** SO1602A is Organic-LED, and has 16 chars/line and 2 lines. |
M_souta | 0:cb29cf2767cd | 2 | * |
M_souta | 0:cb29cf2767cd | 3 | * This librarry supports "printf()" C format. |
M_souta | 0:cb29cf2767cd | 4 | * |
M_souta | 0:cb29cf2767cd | 5 | * |
M_souta | 0:cb29cf2767cd | 6 | * @code |
M_souta | 0:cb29cf2767cd | 7 | * #include "mbed.h" |
M_souta | 0:cb29cf2767cd | 8 | * #include "SO1602A.h" |
M_souta | 0:cb29cf2767cd | 9 | * I2C i2c(p28, p27); |
M_souta | 0:cb29cf2767cd | 10 | * SO1602A oled(i2c); |
M_souta | 0:cb29cf2767cd | 11 | * DigitalOut led[]= {LED1, LED2, LED3, LED4}; |
M_souta | 0:cb29cf2767cd | 12 | * int main() |
M_souta | 0:cb29cf2767cd | 13 | * { |
M_souta | 0:cb29cf2767cd | 14 | * oled.init(); |
M_souta | 0:cb29cf2767cd | 15 | * int iter= 0; |
M_souta | 0:cb29cf2767cd | 16 | * while(true) { |
M_souta | 0:cb29cf2767cd | 17 | * led[0] = !led[0]; |
M_souta | 0:cb29cf2767cd | 18 | * oled.printf("iter: %5.5d.", iter); |
M_souta | 0:cb29cf2767cd | 19 | * wait(1.0f); |
M_souta | 0:cb29cf2767cd | 20 | * if(iter%10 == 0) // 10s |
M_souta | 0:cb29cf2767cd | 21 | * oled.clear(); |
M_souta | 0:cb29cf2767cd | 22 | * iter++; |
M_souta | 0:cb29cf2767cd | 23 | * } |
M_souta | 0:cb29cf2767cd | 24 | * } |
M_souta | 0:cb29cf2767cd | 25 | * @endcode |
M_souta | 0:cb29cf2767cd | 26 | */ |
M_souta | 0:cb29cf2767cd | 27 | |
M_souta | 0:cb29cf2767cd | 28 | #pragma once |
M_souta | 0:cb29cf2767cd | 29 | |
M_souta | 0:cb29cf2767cd | 30 | #include "mbed.h" |
M_souta | 0:cb29cf2767cd | 31 | |
M_souta | 0:cb29cf2767cd | 32 | // SA0(Pin4); Low: i2c_addr= 0x78, High: 0x7a; |
M_souta | 0:cb29cf2767cd | 33 | // DDRAM addr. Line1: 0x00 ~ 0x0f. Line2: 0x20 ~ 0x2f. |
M_souta | 0:cb29cf2767cd | 34 | |
M_souta | 0:cb29cf2767cd | 35 | class SO1602A : public Stream{ |
M_souta | 0:cb29cf2767cd | 36 | public: |
M_souta | 0:cb29cf2767cd | 37 | SO1602A (PinName sda, PinName scl, char address= 0x78); |
M_souta | 0:cb29cf2767cd | 38 | SO1602A (I2C &_i2c, char address= 0x78); |
M_souta | 0:cb29cf2767cd | 39 | ~SO1602A(); |
M_souta | 0:cb29cf2767cd | 40 | // ******************** printf() future of C-language. *************************** |
M_souta | 0:cb29cf2767cd | 41 | |
M_souta | 0:cb29cf2767cd | 42 | /** Initialize |
M_souta | 0:cb29cf2767cd | 43 | */ |
M_souta | 0:cb29cf2767cd | 44 | void init(); |
M_souta | 0:cb29cf2767cd | 45 | |
M_souta | 0:cb29cf2767cd | 46 | /** Clear Display. |
M_souta | 0:cb29cf2767cd | 47 | */ |
M_souta | 0:cb29cf2767cd | 48 | void clear(); |
M_souta | 0:cb29cf2767cd | 49 | |
M_souta | 0:cb29cf2767cd | 50 | /** Set Position of char. |
M_souta | 0:cb29cf2767cd | 51 | * @param col: column, row: rows. |
M_souta | 0:cb29cf2767cd | 52 | */ |
M_souta | 0:cb29cf2767cd | 53 | void locate(int col, int row); |
M_souta | 0:cb29cf2767cd | 54 | |
M_souta | 0:cb29cf2767cd | 55 | /** Set Contrast. |
M_souta | 0:cb29cf2767cd | 56 | * @param val; 256steps, 0x00 ~ 0xff. Contrast increas as the value. |
M_souta | 0:cb29cf2767cd | 57 | */ |
M_souta | 0:cb29cf2767cd | 58 | void setContrast(char val); |
M_souta | 0:cb29cf2767cd | 59 | |
M_souta | 0:cb29cf2767cd | 60 | /** Set Display flag. |
M_souta | 0:cb29cf2767cd | 61 | * @parm Enable Display, Cursor turned on, Cursor Blink. |
M_souta | 0:cb29cf2767cd | 62 | */ |
M_souta | 0:cb29cf2767cd | 63 | void setDispFlag(bool disp= true, bool cursor= true, bool blink= true); |
M_souta | 0:cb29cf2767cd | 64 | |
M_souta | 0:cb29cf2767cd | 65 | private: |
M_souta | 0:cb29cf2767cd | 66 | I2C *p_i2c; |
M_souta | 0:cb29cf2767cd | 67 | I2C &i2c; |
M_souta | 0:cb29cf2767cd | 68 | char addr; |
M_souta | 0:cb29cf2767cd | 69 | char buf[3]; |
M_souta | 0:cb29cf2767cd | 70 | int col, row; |
M_souta | 0:cb29cf2767cd | 71 | |
M_souta | 0:cb29cf2767cd | 72 | bool cmd(char chr); |
M_souta | 0:cb29cf2767cd | 73 | |
M_souta | 0:cb29cf2767cd | 74 | // virtual func for printf() in Stream-class. |
M_souta | 0:cb29cf2767cd | 75 | virtual int _putc(int val); |
M_souta | 0:cb29cf2767cd | 76 | virtual int _getc(); |
M_souta | 0:cb29cf2767cd | 77 | |
M_souta | 0:cb29cf2767cd | 78 | // Function SET |
M_souta | 0:cb29cf2767cd | 79 | void setRE(); |
M_souta | 0:cb29cf2767cd | 80 | void clearRE(); |
M_souta | 0:cb29cf2767cd | 81 | void setSD(); |
M_souta | 0:cb29cf2767cd | 82 | void clearSD(); |
M_souta | 0:cb29cf2767cd | 83 | |
M_souta | 0:cb29cf2767cd | 84 | }; |
M_souta | 0:cb29cf2767cd | 85 | |
M_souta | 0:cb29cf2767cd | 86 | // EOF |