OLED Display
Dependents: UltraschallSensor_LowLevelV2
OLEDDisplay.h@0:1dee22d82bd2, 2016-05-27 (annotated)
- Committer:
- marcel1691
- Date:
- Fri May 27 16:40:07 2016 +0000
- Revision:
- 0:1dee22d82bd2
OLED Display for IoTKit
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
marcel1691 | 0:1dee22d82bd2 | 1 | /* IoTKit OLED Display Library |
marcel1691 | 0:1dee22d82bd2 | 2 | * Copyright (c) 2016 Marcel mc-b Bernet |
marcel1691 | 0:1dee22d82bd2 | 3 | * |
marcel1691 | 0:1dee22d82bd2 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
marcel1691 | 0:1dee22d82bd2 | 5 | * you may not use this file except in compliance with the License. |
marcel1691 | 0:1dee22d82bd2 | 6 | * You may obtain a copy of the License at |
marcel1691 | 0:1dee22d82bd2 | 7 | * |
marcel1691 | 0:1dee22d82bd2 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
marcel1691 | 0:1dee22d82bd2 | 9 | * |
marcel1691 | 0:1dee22d82bd2 | 10 | * Unless required by applicable law or agreed to in writing, software |
marcel1691 | 0:1dee22d82bd2 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
marcel1691 | 0:1dee22d82bd2 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
marcel1691 | 0:1dee22d82bd2 | 13 | * See the License for the specific language governing permissions and |
marcel1691 | 0:1dee22d82bd2 | 14 | * limitations under the License. |
marcel1691 | 0:1dee22d82bd2 | 15 | */ |
marcel1691 | 0:1dee22d82bd2 | 16 | |
marcel1691 | 0:1dee22d82bd2 | 17 | #include "mbed.h" |
marcel1691 | 0:1dee22d82bd2 | 18 | #include <stdarg.h> |
marcel1691 | 0:1dee22d82bd2 | 19 | #include "Adafruit_SSD1306.h" |
marcel1691 | 0:1dee22d82bd2 | 20 | |
marcel1691 | 0:1dee22d82bd2 | 21 | #ifndef OLED_DISPLAY |
marcel1691 | 0:1dee22d82bd2 | 22 | #define OLED_DISPLAY |
marcel1691 | 0:1dee22d82bd2 | 23 | |
marcel1691 | 0:1dee22d82bd2 | 24 | /** OLED Display |
marcel1691 | 0:1dee22d82bd2 | 25 | * |
marcel1691 | 0:1dee22d82bd2 | 26 | * Vereinfachte Version zur Ansteuerung eines Displays |
marcel1691 | 0:1dee22d82bd2 | 27 | * auf Basis von I2C und SSD1306 Interface |
marcel1691 | 0:1dee22d82bd2 | 28 | * |
marcel1691 | 0:1dee22d82bd2 | 29 | * Example: |
marcel1691 | 0:1dee22d82bd2 | 30 | * @code |
marcel1691 | 0:1dee22d82bd2 | 31 | * #include "mbed.h" |
marcel1691 | 0:1dee22d82bd2 | 32 | * #include "OLEDDisplay.h" |
marcel1691 | 0:1dee22d82bd2 | 33 | * |
marcel1691 | 0:1dee22d82bd2 | 34 | * DigitalOut led( D10 ); |
marcel1691 | 0:1dee22d82bd2 | 35 | * OLEDDisplay oled; |
marcel1691 | 0:1dee22d82bd2 | 36 | * |
marcel1691 | 0:1dee22d82bd2 | 37 | * int main() |
marcel1691 | 0:1dee22d82bd2 | 38 | * { |
marcel1691 | 0:1dee22d82bd2 | 39 | * int i = 0; |
marcel1691 | 0:1dee22d82bd2 | 40 | * oled.clear(); |
marcel1691 | 0:1dee22d82bd2 | 41 | * oled.printf( "Test\r\n" ); |
marcel1691 | 0:1dee22d82bd2 | 42 | * |
marcel1691 | 0:1dee22d82bd2 | 43 | * while (true) |
marcel1691 | 0:1dee22d82bd2 | 44 | * { |
marcel1691 | 0:1dee22d82bd2 | 45 | * oled.cursor( 1, 0 ); |
marcel1691 | 0:1dee22d82bd2 | 46 | * oled.printf( "ON %d, %d\n", led.read(), i ); |
marcel1691 | 0:1dee22d82bd2 | 47 | * led = 1; |
marcel1691 | 0:1dee22d82bd2 | 48 | * wait( 1.0f ); |
marcel1691 | 0:1dee22d82bd2 | 49 | * |
marcel1691 | 0:1dee22d82bd2 | 50 | * oled.cursor( 2, 0 ); |
marcel1691 | 0:1dee22d82bd2 | 51 | * oled.printf( "OFF %d, %d\n", led.read(), i ); |
marcel1691 | 0:1dee22d82bd2 | 52 | * led = 0; |
marcel1691 | 0:1dee22d82bd2 | 53 | * i++; |
marcel1691 | 0:1dee22d82bd2 | 54 | * wait( 1.0f ); |
marcel1691 | 0:1dee22d82bd2 | 55 | * } |
marcel1691 | 0:1dee22d82bd2 | 56 | * } |
marcel1691 | 0:1dee22d82bd2 | 57 | * @endcode |
marcel1691 | 0:1dee22d82bd2 | 58 | */ |
marcel1691 | 0:1dee22d82bd2 | 59 | |
marcel1691 | 0:1dee22d82bd2 | 60 | class OLEDDisplay |
marcel1691 | 0:1dee22d82bd2 | 61 | { |
marcel1691 | 0:1dee22d82bd2 | 62 | public: |
marcel1691 | 0:1dee22d82bd2 | 63 | OLEDDisplay( PinName rst = D9, PinName sca = D14, PinName scl = D15, uint8_t addr = 0x78 ) : i2c( sca, scl ), oled( i2c, rst, addr ) |
marcel1691 | 0:1dee22d82bd2 | 64 | { |
marcel1691 | 0:1dee22d82bd2 | 65 | } |
marcel1691 | 0:1dee22d82bd2 | 66 | |
marcel1691 | 0:1dee22d82bd2 | 67 | /** clear Display */ |
marcel1691 | 0:1dee22d82bd2 | 68 | void clear() |
marcel1691 | 0:1dee22d82bd2 | 69 | { |
marcel1691 | 0:1dee22d82bd2 | 70 | oled.clearDisplay(); |
marcel1691 | 0:1dee22d82bd2 | 71 | oled.setTextCursor( 0, 0 ); |
marcel1691 | 0:1dee22d82bd2 | 72 | } |
marcel1691 | 0:1dee22d82bd2 | 73 | /** Set the display rotation, 1 = down, 2 = up, 3 = left, or 4 = right*/ |
marcel1691 | 0:1dee22d82bd2 | 74 | void setRotation(uint8_t r) |
marcel1691 | 0:1dee22d82bd2 | 75 | { |
marcel1691 | 0:1dee22d82bd2 | 76 | oled.setRotation( r ); |
marcel1691 | 0:1dee22d82bd2 | 77 | } |
marcel1691 | 0:1dee22d82bd2 | 78 | |
marcel1691 | 0:1dee22d82bd2 | 79 | /** printf formatted with display */ |
marcel1691 | 0:1dee22d82bd2 | 80 | void printf( const char *format, ... ) |
marcel1691 | 0:1dee22d82bd2 | 81 | { |
marcel1691 | 0:1dee22d82bd2 | 82 | static char buffer[128]; |
marcel1691 | 0:1dee22d82bd2 | 83 | |
marcel1691 | 0:1dee22d82bd2 | 84 | va_list args; |
marcel1691 | 0:1dee22d82bd2 | 85 | va_start(args, format); |
marcel1691 | 0:1dee22d82bd2 | 86 | vsprintf(buffer, format, args); |
marcel1691 | 0:1dee22d82bd2 | 87 | va_end(args); |
marcel1691 | 0:1dee22d82bd2 | 88 | |
marcel1691 | 0:1dee22d82bd2 | 89 | oled.printf( buffer ); |
marcel1691 | 0:1dee22d82bd2 | 90 | oled.display(); |
marcel1691 | 0:1dee22d82bd2 | 91 | } |
marcel1691 | 0:1dee22d82bd2 | 92 | |
marcel1691 | 0:1dee22d82bd2 | 93 | /// Set the text cursor location, based on the size of the text |
marcel1691 | 0:1dee22d82bd2 | 94 | void cursor( int16_t y, int16_t x ) |
marcel1691 | 0:1dee22d82bd2 | 95 | { |
marcel1691 | 0:1dee22d82bd2 | 96 | oled.setTextCursor( x * 6 , y * 8 ); |
marcel1691 | 0:1dee22d82bd2 | 97 | } |
marcel1691 | 0:1dee22d82bd2 | 98 | |
marcel1691 | 0:1dee22d82bd2 | 99 | |
marcel1691 | 0:1dee22d82bd2 | 100 | private: |
marcel1691 | 0:1dee22d82bd2 | 101 | I2C i2c; |
marcel1691 | 0:1dee22d82bd2 | 102 | Adafruit_SSD1306_I2c oled; |
marcel1691 | 0:1dee22d82bd2 | 103 | }; |
marcel1691 | 0:1dee22d82bd2 | 104 | |
marcel1691 | 0:1dee22d82bd2 | 105 | #endif // OLED_DISPLAY |