AQM1602 library
Dependents: mbed_AQM1602 CatPot_Main_T_2v00 CatPot_2v10_T_Main CatPot_2v20_T_Main ... more
See https://developer.mbed.org/users/yasuyuki/notebook/AQM1602/
AQM1602.cpp@0:4c3df2da124c, 2015-03-06 (annotated)
- Committer:
- yasuyuki
- Date:
- Fri Mar 06 12:51:41 2015 +0000
- Revision:
- 0:4c3df2da124c
release
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
yasuyuki | 0:4c3df2da124c | 1 | //********************** |
yasuyuki | 0:4c3df2da124c | 2 | // AQM1602.cpp for mbed |
yasuyuki | 0:4c3df2da124c | 3 | // |
yasuyuki | 0:4c3df2da124c | 4 | // AQM1602 lcd(P0_5,P0_4); |
yasuyuki | 0:4c3df2da124c | 5 | // or |
yasuyuki | 0:4c3df2da124c | 6 | // I2C i2c(P0_5,P0_4); |
yasuyuki | 0:4c3df2da124c | 7 | // AQM1602 lcd(i2c); |
yasuyuki | 0:4c3df2da124c | 8 | // |
yasuyuki | 0:4c3df2da124c | 9 | // (C)Copyright 2015 All rights reserved by Y.Onodera |
yasuyuki | 0:4c3df2da124c | 10 | // http://einstlab.web.fc2.com |
yasuyuki | 0:4c3df2da124c | 11 | //********************** |
yasuyuki | 0:4c3df2da124c | 12 | |
yasuyuki | 0:4c3df2da124c | 13 | #include "mbed.h" |
yasuyuki | 0:4c3df2da124c | 14 | #include "AQM1602.h" |
yasuyuki | 0:4c3df2da124c | 15 | |
yasuyuki | 0:4c3df2da124c | 16 | AQM1602::AQM1602 (PinName sda, PinName scl) : _i2c(sda, scl) { |
yasuyuki | 0:4c3df2da124c | 17 | init(); |
yasuyuki | 0:4c3df2da124c | 18 | } |
yasuyuki | 0:4c3df2da124c | 19 | AQM1602::AQM1602 (I2C& p_i2c) : _i2c(p_i2c) { |
yasuyuki | 0:4c3df2da124c | 20 | init(); |
yasuyuki | 0:4c3df2da124c | 21 | } |
yasuyuki | 0:4c3df2da124c | 22 | |
yasuyuki | 0:4c3df2da124c | 23 | void AQM1602::put(unsigned char a, unsigned char b) |
yasuyuki | 0:4c3df2da124c | 24 | { |
yasuyuki | 0:4c3df2da124c | 25 | buf[0]=a; |
yasuyuki | 0:4c3df2da124c | 26 | buf[1]=b; |
yasuyuki | 0:4c3df2da124c | 27 | _i2c.write(AQM1602_ADDR, buf, 2); |
yasuyuki | 0:4c3df2da124c | 28 | } |
yasuyuki | 0:4c3df2da124c | 29 | |
yasuyuki | 0:4c3df2da124c | 30 | |
yasuyuki | 0:4c3df2da124c | 31 | void AQM1602::get(unsigned char a) |
yasuyuki | 0:4c3df2da124c | 32 | { |
yasuyuki | 0:4c3df2da124c | 33 | buf[0] = a; |
yasuyuki | 0:4c3df2da124c | 34 | _i2c.write(AQM1602_ADDR, buf, 1, true); // no stop, repeated |
yasuyuki | 0:4c3df2da124c | 35 | _i2c.read( AQM1602_ADDR, buf, 1); |
yasuyuki | 0:4c3df2da124c | 36 | |
yasuyuki | 0:4c3df2da124c | 37 | } |
yasuyuki | 0:4c3df2da124c | 38 | |
yasuyuki | 0:4c3df2da124c | 39 | void AQM1602::cls() |
yasuyuki | 0:4c3df2da124c | 40 | { |
yasuyuki | 0:4c3df2da124c | 41 | // Clear Display = 0x01 |
yasuyuki | 0:4c3df2da124c | 42 | put(CMD, 0x01); |
yasuyuki | 0:4c3df2da124c | 43 | // Wait 1.08ms |
yasuyuki | 0:4c3df2da124c | 44 | wait_ms(2); |
yasuyuki | 0:4c3df2da124c | 45 | |
yasuyuki | 0:4c3df2da124c | 46 | } |
yasuyuki | 0:4c3df2da124c | 47 | |
yasuyuki | 0:4c3df2da124c | 48 | void AQM1602::locate(int x, int y) |
yasuyuki | 0:4c3df2da124c | 49 | { |
yasuyuki | 0:4c3df2da124c | 50 | |
yasuyuki | 0:4c3df2da124c | 51 | // 16x2 |
yasuyuki | 0:4c3df2da124c | 52 | put(CMD, 0x80 + y*0x40 + x); |
yasuyuki | 0:4c3df2da124c | 53 | |
yasuyuki | 0:4c3df2da124c | 54 | } |
yasuyuki | 0:4c3df2da124c | 55 | |
yasuyuki | 0:4c3df2da124c | 56 | void AQM1602::print(const char *a) |
yasuyuki | 0:4c3df2da124c | 57 | { |
yasuyuki | 0:4c3df2da124c | 58 | |
yasuyuki | 0:4c3df2da124c | 59 | while(*a != '\0') |
yasuyuki | 0:4c3df2da124c | 60 | { |
yasuyuki | 0:4c3df2da124c | 61 | put(DAT, *a); |
yasuyuki | 0:4c3df2da124c | 62 | a++; |
yasuyuki | 0:4c3df2da124c | 63 | } |
yasuyuki | 0:4c3df2da124c | 64 | |
yasuyuki | 0:4c3df2da124c | 65 | } |
yasuyuki | 0:4c3df2da124c | 66 | |
yasuyuki | 0:4c3df2da124c | 67 | void AQM1602::init() |
yasuyuki | 0:4c3df2da124c | 68 | { |
yasuyuki | 0:4c3df2da124c | 69 | // Wait 40ms |
yasuyuki | 0:4c3df2da124c | 70 | wait_ms(100); |
yasuyuki | 0:4c3df2da124c | 71 | // Function set = 0x38 |
yasuyuki | 0:4c3df2da124c | 72 | put(CMD, 0x38); |
yasuyuki | 0:4c3df2da124c | 73 | // Wait 26.3us |
yasuyuki | 0:4c3df2da124c | 74 | wait_ms(1); |
yasuyuki | 0:4c3df2da124c | 75 | // Function set = 0x39 |
yasuyuki | 0:4c3df2da124c | 76 | put(CMD, 0x39); |
yasuyuki | 0:4c3df2da124c | 77 | // Wait 26.3us |
yasuyuki | 0:4c3df2da124c | 78 | wait_ms(1); |
yasuyuki | 0:4c3df2da124c | 79 | // Internal OSC frequency = 0x14 |
yasuyuki | 0:4c3df2da124c | 80 | put(CMD, 0x14); |
yasuyuki | 0:4c3df2da124c | 81 | // Wait 26.3us |
yasuyuki | 0:4c3df2da124c | 82 | wait_ms(1); |
yasuyuki | 0:4c3df2da124c | 83 | // Contrast set = 0x70 |
yasuyuki | 0:4c3df2da124c | 84 | put(CMD, 0x70); |
yasuyuki | 0:4c3df2da124c | 85 | // Wait 26.3us |
yasuyuki | 0:4c3df2da124c | 86 | wait_ms(1); |
yasuyuki | 0:4c3df2da124c | 87 | // Power/ICON/Contrast control = 0x56 |
yasuyuki | 0:4c3df2da124c | 88 | put(CMD, 0x56); |
yasuyuki | 0:4c3df2da124c | 89 | // Wait 26.3us |
yasuyuki | 0:4c3df2da124c | 90 | wait_ms(1); |
yasuyuki | 0:4c3df2da124c | 91 | // Follower control = 0x6C |
yasuyuki | 0:4c3df2da124c | 92 | put(CMD, 0x6C); |
yasuyuki | 0:4c3df2da124c | 93 | // Wait 200ms |
yasuyuki | 0:4c3df2da124c | 94 | wait_ms(200); |
yasuyuki | 0:4c3df2da124c | 95 | // Function set = 0x38 |
yasuyuki | 0:4c3df2da124c | 96 | put(CMD, 0x38); |
yasuyuki | 0:4c3df2da124c | 97 | // Wait 26.3us |
yasuyuki | 0:4c3df2da124c | 98 | wait_ms(1); |
yasuyuki | 0:4c3df2da124c | 99 | // Display ON/OFF control = 0x0C |
yasuyuki | 0:4c3df2da124c | 100 | put(CMD, 0x0C); |
yasuyuki | 0:4c3df2da124c | 101 | // Wait 26.3us |
yasuyuki | 0:4c3df2da124c | 102 | wait_ms(1); |
yasuyuki | 0:4c3df2da124c | 103 | // Clear Display = 0x01 |
yasuyuki | 0:4c3df2da124c | 104 | put(CMD, 0x01); |
yasuyuki | 0:4c3df2da124c | 105 | // Wait 1.08ms |
yasuyuki | 0:4c3df2da124c | 106 | wait_ms(2); |
yasuyuki | 0:4c3df2da124c | 107 | |
yasuyuki | 0:4c3df2da124c | 108 | } |
yasuyuki | 0:4c3df2da124c | 109 | |
yasuyuki | 0:4c3df2da124c | 110 | |
yasuyuki | 0:4c3df2da124c | 111 |