pana_m8: Add initial files
[tmk_keyboard.git] / orphan / ascii_usb / README
1 ASCII to USB keyboard protocol converter
2 ========================================
3 This converts serial console terminal into USB keyboard, tested with TRS-80 model 100 TELCOM application.
4 Target MCU is ATMega32u4 but other USB capable AVR will also work.
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7 Hardware
8 --------
9 Connect RX, TX and GND to UART pin of AVR. Note that you may need line driver/level shifter like MAX232 to interface high voltage of RS-232C.
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13 Build Firmware
14 --------------
15 Configure UART setting and Just use 'make'
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17 $ cd ascii_usb
18 $ make
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20 Then, load the binary to MCU with your favorite programmer.
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24 Limitation
25 ----------
26 - This cannot see key up event, you cannot hold a key.
27 - Alt, Gui(Win/Mac) modifier key are not available.
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31 TRS-80 model 100
32 ----------------
33 Use TELCOM program with setting: 19200bps/8bit/odd parity/1stop bit
34 To set this configuration push Stat(F3) and input '9801D,10'. Then push Term(F4) to connect.
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Imprint / Impressum