不韋 呂 / UIT_AQM1602

I2C 接続の LCD AQM1602XA-RN-GBW 用のライブラリ． Library for LCD 1602XA-RN-GBW connected using I2C interface.

Dependents:   UIT2_MovingAv_Intr UIT2_VariableFIR UIT2_VowelSynthesizer UIT2_ALE_LeakyLMS ... more

AQM1602.hpp@7:5375acc9a74a, 2015-11-15 (annotated)

Committer:
MikamiUitOpen
Date:
Sun Nov 15 06:32:29 2015 +0000
Revision:
7:5375acc9a74a
Parent:
6:01336babcccd
Child:
8:854c244a7863
8

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MikamiUitOpen 0:f177013dc4fc 1 //-------------------------------------------------------
MikamiUitOpen 0:f177013dc4fc 2 // Class for LCD, AQM1602XA-RN-GBW (Header)
MikamiUitOpen 7:5375acc9a74a 3 // Do not use mbed Rev.109, using Nucleo-F401/441
MikamiUitOpen 0:f177013dc4fc 4 //
MikamiUitOpen 5:c44a3beb21f2 5 // Default pin assignments for Nucleo
MikamiUitOpen 0:f177013dc4fc 6 // D14 SDA ---- to pin4 of LCD module
MikamiUitOpen 0:f177013dc4fc 7 // D15 SCL ---- to pin3 of LCD module
MikamiUitOpen 0:f177013dc4fc 8 //
MikamiUitOpen 7:5375acc9a74a 9 // 2015/11/15, Copyright (c) 2015 MIKAMI, Naoki
MikamiUitOpen 0:f177013dc4fc 10 //-------------------------------------------------------
MikamiUitOpen 0:f177013dc4fc 11
MikamiUitOpen 0:f177013dc4fc 12 #ifndef AQM1602I2C_HPP
MikamiUitOpen 0:f177013dc4fc 13 #define AQM1602I2C_HPP
MikamiUitOpen 0:f177013dc4fc 14
MikamiUitOpen 0:f177013dc4fc 15 #include "mbed.h"
MikamiUitOpen 1:18cd1c4212c3 16 #include <string>
MikamiUitOpen 0:f177013dc4fc 17
MikamiUitOpen 0:f177013dc4fc 18 namespace Mikami
MikamiUitOpen 0:f177013dc4fc 19 {
MikamiUitOpen 0:f177013dc4fc 20 class Aqm1602
MikamiUitOpen 0:f177013dc4fc 21 {
MikamiUitOpen 0:f177013dc4fc 22 public:
MikamiUitOpen 0:f177013dc4fc 23 // Constructor
MikamiUitOpen 6:01336babcccd 24 #if defined(STM32F4) || defined(STM32L0) || defined(__STM32F3xx_H)
MikamiUitOpen 0:f177013dc4fc 25 Aqm1602(PinName sda = D14, // SDA
MikamiUitOpen 0:f177013dc4fc 26 PinName scl = D15, // SCL
MikamiUitOpen 0:f177013dc4fc 27 uint32_t clock = 100000, // clock: 100 kHz
MikamiUitOpen 0:f177013dc4fc 28 bool cursor = false, // cursor: off
MikamiUitOpen 0:f177013dc4fc 29 bool blink = false); // blink: off
MikamiUitOpen 5:c44a3beb21f2 30 // Default constructor is defined for only Nucleo
MikamiUitOpen 5:c44a3beb21f2 31 #else
MikamiUitOpen 5:c44a3beb21f2 32 Aqm1602(PinName sda, // SDA
MikamiUitOpen 5:c44a3beb21f2 33 PinName scl, // SCL
MikamiUitOpen 5:c44a3beb21f2 34 uint32_t clock = 100000, // clock: 100 kHz
MikamiUitOpen 5:c44a3beb21f2 35 bool cursor = false, // cursor: off
MikamiUitOpen 5:c44a3beb21f2 36 bool blink = false); // blink: off
MikamiUitOpen 5:c44a3beb21f2 37 #endif
MikamiUitOpen 3:414f98234c94 38 // Return false if LCD is not connected
MikamiUitOpen 3:414f98234c94 39 bool IsConnected() { return connected_; }
MikamiUitOpen 3:414f98234c94 40
MikamiUitOpen 0:f177013dc4fc 41 // All clear
MikamiUitOpen 7:5375acc9a74a 42 void Clear();
MikamiUitOpen 1:18cd1c4212c3 43
MikamiUitOpen 0:f177013dc4fc 44 // Send command
MikamiUitOpen 3:414f98234c94 45 bool WriteCmd(uint8_t cmd) { return LcdTx(0x00, cmd); }
MikamiUitOpen 1:18cd1c4212c3 46
MikamiUitOpen 0:f177013dc4fc 47 // Write character (Not 0x80 but 0x40)
MikamiUitOpen 3:414f98234c94 48 bool WriteChar(char data) { return LcdTx(0x40, data); }
MikamiUitOpen 1:18cd1c4212c3 49
MikamiUitOpen 0:f177013dc4fc 50 // Specify display position, x: 0 - 7, y: 0, 1
MikamiUitOpen 0:f177013dc4fc 51 void SetXY(uint8_t x = 0, uint8_t y = 0)
MikamiUitOpen 0:f177013dc4fc 52 { WriteCmd(x + y*0x40 | 0x80);}
MikamiUitOpen 1:18cd1c4212c3 53
MikamiUitOpen 0:f177013dc4fc 54 // Write string
MikamiUitOpen 0:f177013dc4fc 55 void WriteString(const char str[]);
MikamiUitOpen 1:18cd1c4212c3 56 void WriteString(const string str) { WriteString(str.c_str()); }
MikamiUitOpen 1:18cd1c4212c3 57
MikamiUitOpen 0:f177013dc4fc 58 // Write string from specified position
MikamiUitOpen 2:f496f85ce6f2 59 void WriteStringXY(const char str[], uint8_t x, uint8_t y);
MikamiUitOpen 1:18cd1c4212c3 60 void WriteStringXY(const string str, uint8_t x, uint8_t y)
MikamiUitOpen 1:18cd1c4212c3 61 { WriteStringXY(str.c_str(), x, y); }
MikamiUitOpen 1:18cd1c4212c3 62
MikamiUitOpen 0:f177013dc4fc 63 // Clear of specified line
MikamiUitOpen 0:f177013dc4fc 64 void ClearLine(uint8_t line);
MikamiUitOpen 1:18cd1c4212c3 65
MikamiUitOpen 0:f177013dc4fc 66 void SetContrast(uint8_t c);
MikamiUitOpen 0:f177013dc4fc 67
MikamiUitOpen 0:f177013dc4fc 68 private:
MikamiUitOpen 3:414f98234c94 69 // Slave address of AQM1602A
MikamiUitOpen 0:f177013dc4fc 70 // left-justified 7-bit address
MikamiUitOpen 0:f177013dc4fc 71 static const uint8_t LCD_ADDRESS_ = 0x7C;
MikamiUitOpen 0:f177013dc4fc 72 static const uint8_t N_CHR = 16;
MikamiUitOpen 0:f177013dc4fc 73
MikamiUitOpen 0:f177013dc4fc 74 I2C i2c_; // Object of I2C
MikamiUitOpen 7:5375acc9a74a 75 bool connected_; // false: LCD is not connected
MikamiUitOpen 0:f177013dc4fc 76
MikamiUitOpen 3:414f98234c94 77 bool LcdTx(uint8_t cmdData, uint8_t data);
MikamiUitOpen 0:f177013dc4fc 78
MikamiUitOpen 7:5375acc9a74a 79 // disallow copy constructor and assignment operator
MikamiUitOpen 0:f177013dc4fc 80 Aqm1602(const Aqm1602&);
MikamiUitOpen 0:f177013dc4fc 81 Aqm1602& operator=(const Aqm1602&);
MikamiUitOpen 0:f177013dc4fc 82 };
MikamiUitOpen 0:f177013dc4fc 83 }
MikamiUitOpen 3:414f98234c94 84 #endif // AQM1602I2C_HPP