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@11:f650f1e809a9, 2017-07-22 (annotated)
- Committer:
- MikamiUitOpen
- Date:
- Sat Jul 22 01:56:41 2017 +0000
- Revision:
- 11:f650f1e809a9
- Parent:
- 10:6e6c0f24e81f
- Child:
- 12:21830002e12d
12, mbed Rev.130 ???????????????????????DISCO-F746 ?????????????????
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
MikamiUitOpen | 10:6e6c0f24e81f | 1 | //--------------------------------------------------------------- |
MikamiUitOpen | 0:f177013dc4fc | 2 | // Class for LCD, AQM1602XA-RN-GBW (Header) |
MikamiUitOpen | 10:6e6c0f24e81f | 3 | // Use mbed Rev.129 for Nucleo-F401/446/746 and DISCO-F746 |
MikamiUitOpen | 0:f177013dc4fc | 4 | // |
MikamiUitOpen | 10:6e6c0f24e81f | 5 | // Default pin assignments for Nucleo and DISCO-F746 |
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 | 11:f650f1e809a9 | 9 | // mbed Rev.130 以降で起こる,割り込み処理での動作不良を修正 |
MikamiUitOpen | 11:f650f1e809a9 | 10 | // DISCO-F746 では動作不良は修正できないようだ |
MikamiUitOpen | 11:f650f1e809a9 | 11 | // |
MikamiUitOpen | 11:f650f1e809a9 | 12 | // 2017/07/21, Copyright (c) 2016 MIKAMI, Naoki |
MikamiUitOpen | 10:6e6c0f24e81f | 13 | //--------------------------------------------------------------- |
MikamiUitOpen | 0:f177013dc4fc | 14 | |
MikamiUitOpen | 0:f177013dc4fc | 15 | #ifndef AQM1602I2C_HPP |
MikamiUitOpen | 0:f177013dc4fc | 16 | #define AQM1602I2C_HPP |
MikamiUitOpen | 0:f177013dc4fc | 17 | |
MikamiUitOpen | 0:f177013dc4fc | 18 | #include "mbed.h" |
MikamiUitOpen | 1:18cd1c4212c3 | 19 | #include <string> |
MikamiUitOpen | 0:f177013dc4fc | 20 | |
MikamiUitOpen | 0:f177013dc4fc | 21 | namespace Mikami |
MikamiUitOpen | 0:f177013dc4fc | 22 | { |
MikamiUitOpen | 0:f177013dc4fc | 23 | class Aqm1602 |
MikamiUitOpen | 0:f177013dc4fc | 24 | { |
MikamiUitOpen | 0:f177013dc4fc | 25 | public: |
MikamiUitOpen | 0:f177013dc4fc | 26 | // Constructor |
MikamiUitOpen | 10:6e6c0f24e81f | 27 | #if defined(STM32F4) || defined(STM32L0) || defined(__STM32F3xx_H) || \ |
MikamiUitOpen | 10:6e6c0f24e81f | 28 | defined(STM32F7) |
MikamiUitOpen | 10:6e6c0f24e81f | 29 | #define STM_USER_BUTTON |
MikamiUitOpen | 0:f177013dc4fc | 30 | Aqm1602(PinName sda = D14, // SDA |
MikamiUitOpen | 0:f177013dc4fc | 31 | PinName scl = D15, // SCL |
MikamiUitOpen | 0:f177013dc4fc | 32 | uint32_t clock = 100000, // clock: 100 kHz |
MikamiUitOpen | 0:f177013dc4fc | 33 | bool cursor = false, // cursor: off |
MikamiUitOpen | 0:f177013dc4fc | 34 | bool blink = false); // blink: off |
MikamiUitOpen | 5:c44a3beb21f2 | 35 | // Default constructor is defined for only Nucleo |
MikamiUitOpen | 5:c44a3beb21f2 | 36 | #else |
MikamiUitOpen | 5:c44a3beb21f2 | 37 | Aqm1602(PinName sda, // SDA |
MikamiUitOpen | 5:c44a3beb21f2 | 38 | PinName scl, // SCL |
MikamiUitOpen | 5:c44a3beb21f2 | 39 | uint32_t clock = 100000, // clock: 100 kHz |
MikamiUitOpen | 5:c44a3beb21f2 | 40 | bool cursor = false, // cursor: off |
MikamiUitOpen | 5:c44a3beb21f2 | 41 | bool blink = false); // blink: off |
MikamiUitOpen | 5:c44a3beb21f2 | 42 | #endif |
MikamiUitOpen | 8:854c244a7863 | 43 | Aqm1602(I2C &i2c, // Reference of I2C object |
MikamiUitOpen | 8:854c244a7863 | 44 | uint32_t clock = 100000, // clock: 100 kHz |
MikamiUitOpen | 8:854c244a7863 | 45 | bool cursor = false, // cursor: off |
MikamiUitOpen | 8:854c244a7863 | 46 | bool blink = false); // blink: off |
MikamiUitOpen | 8:854c244a7863 | 47 | |
MikamiUitOpen | 10:6e6c0f24e81f | 48 | virtual ~Aqm1602() |
MikamiUitOpen | 8:854c244a7863 | 49 | { if (NULL != i2cPtr_) delete i2cPtr_; } |
MikamiUitOpen | 8:854c244a7863 | 50 | |
MikamiUitOpen | 3:414f98234c94 | 51 | // Return false if LCD is not connected |
MikamiUitOpen | 3:414f98234c94 | 52 | bool IsConnected() { return connected_; } |
MikamiUitOpen | 3:414f98234c94 | 53 | |
MikamiUitOpen | 0:f177013dc4fc | 54 | // All clear |
MikamiUitOpen | 8:854c244a7863 | 55 | bool Clear(); |
MikamiUitOpen | 1:18cd1c4212c3 | 56 | |
MikamiUitOpen | 0:f177013dc4fc | 57 | // Send command |
MikamiUitOpen | 3:414f98234c94 | 58 | bool WriteCmd(uint8_t cmd) { return LcdTx(0x00, cmd); } |
MikamiUitOpen | 1:18cd1c4212c3 | 59 | |
MikamiUitOpen | 0:f177013dc4fc | 60 | // Write character (Not 0x80 but 0x40) |
MikamiUitOpen | 3:414f98234c94 | 61 | bool WriteChar(char data) { return LcdTx(0x40, data); } |
MikamiUitOpen | 1:18cd1c4212c3 | 62 | |
MikamiUitOpen | 0:f177013dc4fc | 63 | // Specify display position, x: 0 - 7, y: 0, 1 |
MikamiUitOpen | 0:f177013dc4fc | 64 | void SetXY(uint8_t x = 0, uint8_t y = 0) |
MikamiUitOpen | 0:f177013dc4fc | 65 | { WriteCmd(x + y*0x40 | 0x80);} |
MikamiUitOpen | 1:18cd1c4212c3 | 66 | |
MikamiUitOpen | 0:f177013dc4fc | 67 | // Write string |
MikamiUitOpen | 0:f177013dc4fc | 68 | void WriteString(const char str[]); |
MikamiUitOpen | 1:18cd1c4212c3 | 69 | void WriteString(const string str) { WriteString(str.c_str()); } |
MikamiUitOpen | 1:18cd1c4212c3 | 70 | |
MikamiUitOpen | 0:f177013dc4fc | 71 | // Write string from specified position |
MikamiUitOpen | 2:f496f85ce6f2 | 72 | void WriteStringXY(const char str[], uint8_t x, uint8_t y); |
MikamiUitOpen | 1:18cd1c4212c3 | 73 | void WriteStringXY(const string str, uint8_t x, uint8_t y) |
MikamiUitOpen | 1:18cd1c4212c3 | 74 | { WriteStringXY(str.c_str(), x, y); } |
MikamiUitOpen | 1:18cd1c4212c3 | 75 | |
MikamiUitOpen | 9:74a845df6e7a | 76 | // Write numerical value |
MikamiUitOpen | 9:74a845df6e7a | 77 | template <typename T> void WriteValue(const char fmt[], T value) |
MikamiUitOpen | 9:74a845df6e7a | 78 | { |
MikamiUitOpen | 9:74a845df6e7a | 79 | char str[17]; |
MikamiUitOpen | 9:74a845df6e7a | 80 | sprintf(str, fmt, value); |
MikamiUitOpen | 9:74a845df6e7a | 81 | WriteString(str); |
MikamiUitOpen | 9:74a845df6e7a | 82 | } |
MikamiUitOpen | 9:74a845df6e7a | 83 | |
MikamiUitOpen | 9:74a845df6e7a | 84 | // Write numerical value from specified position |
MikamiUitOpen | 9:74a845df6e7a | 85 | template <typename T> |
MikamiUitOpen | 9:74a845df6e7a | 86 | void WriteValueXY(const char fmt[], T value, uint8_t x, uint8_t y) |
MikamiUitOpen | 9:74a845df6e7a | 87 | { |
MikamiUitOpen | 9:74a845df6e7a | 88 | SetXY(x, y); |
MikamiUitOpen | 9:74a845df6e7a | 89 | WriteValue(fmt, value); |
MikamiUitOpen | 9:74a845df6e7a | 90 | } |
MikamiUitOpen | 9:74a845df6e7a | 91 | |
MikamiUitOpen | 0:f177013dc4fc | 92 | // Clear of specified line |
MikamiUitOpen | 0:f177013dc4fc | 93 | void ClearLine(uint8_t line); |
MikamiUitOpen | 1:18cd1c4212c3 | 94 | |
MikamiUitOpen | 0:f177013dc4fc | 95 | void SetContrast(uint8_t c); |
MikamiUitOpen | 0:f177013dc4fc | 96 | |
MikamiUitOpen | 0:f177013dc4fc | 97 | private: |
MikamiUitOpen | 3:414f98234c94 | 98 | // Slave address of AQM1602A |
MikamiUitOpen | 0:f177013dc4fc | 99 | // left-justified 7-bit address |
MikamiUitOpen | 0:f177013dc4fc | 100 | static const uint8_t LCD_ADDRESS_ = 0x7C; |
MikamiUitOpen | 0:f177013dc4fc | 101 | static const uint8_t N_CHR = 16; |
MikamiUitOpen | 0:f177013dc4fc | 102 | |
MikamiUitOpen | 8:854c244a7863 | 103 | I2C *i2cPtr_; // Pointer of I2C object |
MikamiUitOpen | 8:854c244a7863 | 104 | I2C &i2c_; // Reference of I2C object |
MikamiUitOpen | 7:5375acc9a74a | 105 | bool connected_; // false: LCD is not connected |
MikamiUitOpen | 0:f177013dc4fc | 106 | |
MikamiUitOpen | 8:854c244a7863 | 107 | void Init(uint32_t clock, bool cursor, bool blink); |
MikamiUitOpen | 8:854c244a7863 | 108 | |
MikamiUitOpen | 3:414f98234c94 | 109 | bool LcdTx(uint8_t cmdData, uint8_t data); |
MikamiUitOpen | 0:f177013dc4fc | 110 | |
MikamiUitOpen | 7:5375acc9a74a | 111 | // disallow copy constructor and assignment operator |
MikamiUitOpen | 0:f177013dc4fc | 112 | Aqm1602(const Aqm1602&); |
MikamiUitOpen | 0:f177013dc4fc | 113 | Aqm1602& operator=(const Aqm1602&); |
MikamiUitOpen | 0:f177013dc4fc | 114 | }; |
MikamiUitOpen | 0:f177013dc4fc | 115 | } |
MikamiUitOpen | 3:414f98234c94 | 116 | #endif // AQM1602I2C_HPP |