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other_boards:midi_keyboard [2017/07/04 23:52] admin [OLED Display] |
other_boards:midi_keyboard [2019/03/26 18:47] admin removed |
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| ---- | ---- | ||
| + | ==== Code ==== | ||
| + | {{ :other_boards:midi_keyboard_04.zip |}}\\ | ||
| + | ---- | ||
| ==== MCP23017 ==== | ==== MCP23017 ==== | ||
| - | **I2C**\\ | + | === I2C === |
| I2C SDA SCL | I2C SDA SCL | ||
| Arduino Uno A4 A5 | Arduino Uno A4 A5 | ||
| - | **Setting the Adress**\\ | + | === Setting the Adress === |
| To set the I2C address of the MCP23017 one has to connect A0, A1 and A2 to GND or to power.\\ | To set the I2C address of the MCP23017 one has to connect A0, A1 and A2 to GND or to power.\\ | ||
| GND = 0 and +5V = 1\\ | GND = 0 and +5V = 1\\ | ||
| Line 25: | Line 28: | ||
| mcp.begin(address); | mcp.begin(address); | ||
| - | **Pulldown Resistor**\\ | + | === Pulldown Resistor === |
| Every botton is connected to +5V and at the pin to the MCP23017 it has a 10k pulldown resistor to ground.\\ | Every botton is connected to +5V and at the pin to the MCP23017 it has a 10k pulldown resistor to ground.\\ | ||
| IO Pin ----- Button ------- +5V | IO Pin ----- Button ------- +5V | ||
| Line 33: | Line 36: | ||
| GND | GND | ||
| - | **Library**\\ | + | === Library === |
| [[https://github.com/adafruit/Adafruit-MCP23017-Arduino-Library|Adafruit-MCP23017-Arduino-Library]]\\ | [[https://github.com/adafruit/Adafruit-MCP23017-Arduino-Library|Adafruit-MCP23017-Arduino-Library]]\\ | ||
| - | **Datasheet**\\ | + | === Datasheet === |
| [[http://ww1.microchip.com/downloads/en/DeviceDoc/21952b.pdf|MCP23017]]\\ | [[http://ww1.microchip.com/downloads/en/DeviceDoc/21952b.pdf|MCP23017]]\\ | ||
| + | |||
| + | ===Key and Pin parsing=== | ||
| + | MCP1 Key/Note Pin Library | ||
| + | A0 D1 0 | ||
| + | A1 C#1 1 | ||
| + | A2 E1 2 | ||
| + | A3 D#1 3 | ||
| + | A4 F1 4 | ||
| + | A5 C1 5 | ||
| + | A6 G1 6 | ||
| + | A7 F#1 7 | ||
| + | B0 A#1 8 | ||
| + | B1 H1 9 | ||
| + | B2 G#1 10 | ||
| + | B3 A1 11 | ||
| + | B4 Switch 12 | ||
| + | B5 Octave Up 13 | ||
| + | B6 Octave Down 14 | ||
| + | B7 15 | ||
| + | |||
| + | MCP2 Key/Note Pin Library | ||
| + | A0 D2 0 | ||
| + | A1 C#2 1 | ||
| + | A2 E2 2 | ||
| + | A3 D#2 3 | ||
| + | A4 F2 4 | ||
| + | A5 C2 5 | ||
| + | A6 G2 6 | ||
| + | A7 F#2 7 | ||
| + | B0 A#2 8 | ||
| + | B1 H2 9 | ||
| + | B2 G#2 10 | ||
| + | B3 A2 11 | ||
| + | B4 C3 12 | ||
| + | B5 Program Up 13 | ||
| + | B6 Program Down 14 | ||
| + | B7 15 | ||
| + | |||
| ---- | ---- | ||
| Line 43: | Line 84: | ||
| [[https://www.smart-prototyping.com/Prototyping-Modules/Arduino/OLED-0.96inch-12864-display-module-blue.html]]\\ | [[https://www.smart-prototyping.com/Prototyping-Modules/Arduino/OLED-0.96inch-12864-display-module-blue.html]]\\ | ||
| - | **Pins:**\\ | + | === Pins: === |
| - | GND: power ground | + | OLED Display Arduino |
| - | VCC: 3.3v or 5.0V power supply | + | |
| - | D0: ClK | + | GND: Ground GND |
| - | D1: MOSI data | + | VCC: 3.3v or 5.0V Power Supply +5V |
| - | RST: Reset | + | D0: CLK Pin 08 |
| - | DC: Data/Command | + | D1: MOSI Pin 07 |
| - | CS: Chip select Port | + | RST: Reset Pin 06 |
| + | DC: Data Command Pin 05 | ||
| + | CS: Chip Select NC | ||
| - | **Bit Converter**\\ | + | === Bit Converter === |
| [[http://en.radzio.dxp.pl/bitmap_converter/]]\\ | [[http://en.radzio.dxp.pl/bitmap_converter/]]\\ | ||
| + | To convert a picture one need a 128x64 pixel, B/W, 1Bit Bitmap.\\ | ||
| + | Settings:\\ | ||
| + | Byte Orientation: vertical | ||
| + | Width: 128 Hight: 64 | ||
| + | Size Endianness: Little | ||
| + | Pixel/Byte 8 | ||
| - | **Example Code**\\ | + | === Example Code === |
| [[https://www.smart-prototyping.com/image/data/2_components/Arduino/100952%20OLED%200.96inch%2012864%20display%20module%20blue/OLED.zip|OLED-Example]]\\ | [[https://www.smart-prototyping.com/image/data/2_components/Arduino/100952%20OLED%200.96inch%2012864%20display%20module%20blue/OLED.zip|OLED-Example]]\\ | ||
| + | |||
| + | ---- | ||
| + | ==== MIDI ==== | ||
| + | === MIDI Library === | ||
| + | Here are the links for the MIDI library for MIDI over the serial pins (TX, RX).\\ | ||
| + | [[https://github.com/FortySevenEffects/arduino_midi_library/releases/tag/4.2|MIDI Library 4.2]]\\ | ||
| + | |||
| + | === MIDI Specifications === | ||
| + | [[http://www.midi.org/techspecs/midimessages.php]] | ||
| + | [[http://dernulleffekt.de/midi/table1.html]]\\ | ||
| + | [[http://dernulleffekt.de/midi/table2.html]]\\ | ||
| + | [[http://dernulleffekt.de/midi/table3.html]]\\ | ||
| + | [[http://dernulleffekt.de/midi/table4.html]]\\ | ||
| ---- | ---- | ||
| ==== Knowledge ==== | ==== Knowledge ==== | ||
| - | **MCP23017**\\ | + | === MCP23017 === |
| [[http://www.learningaboutelectronics.com/Articles/MCP23017-IO-port-expander-circuit-with-arduino.php]]\\ | [[http://www.learningaboutelectronics.com/Articles/MCP23017-IO-port-expander-circuit-with-arduino.php]]\\ | ||
| [[http://www.nikolaus-lueneburg.de/2015/11/mcp23017-i2c-io-port-expander/]]\\ | [[http://www.nikolaus-lueneburg.de/2015/11/mcp23017-i2c-io-port-expander/]]\\ | ||
| - | **OLED Display**\\ | + | === OLED Display === |
| [[http://www.instructables.com/id/How-to-use-OLED-display-arduino-module/]]\\ | [[http://www.instructables.com/id/How-to-use-OLED-display-arduino-module/]]\\ | ||
| ---- | ---- | ||