diff options
| author | tmk <nobody@nowhere> | 2014-01-03 07:05:41 +0900 |
|---|---|---|
| committer | tmk <nobody@nowhere> | 2014-01-03 07:07:42 +0900 |
| commit | 92cda14f7a30f14bb3836c2369d110b2c8b4cf75 (patch) | |
| tree | ce4e399b99daacbd07e5ef53c812e54c38c660fe /converter/ascii_usb/README | |
| parent | 37bf34d5b192aa7f64875eca8f6dc8af8f4b1347 (diff) | |
Add ascii_usb ASCII Serial Console terminal converter
Diffstat (limited to 'converter/ascii_usb/README')
| -rw-r--r-- | converter/ascii_usb/README | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/converter/ascii_usb/README b/converter/ascii_usb/README new file mode 100644 index 0000000000..afd2e47f76 --- /dev/null +++ b/converter/ascii_usb/README @@ -0,0 +1,33 @@ +ASCII to USB keyboard protocol converter +======================================== +This converts serial console terminal into USB keyboard, tested with TRS-80 model 100 TELCOM application. +Target MCU is ATMega32u4 but other USB capable AVR will also work. + + +Hardware +-------- +Connect RX, TX and GND to UART pin of AVR. Note that you may need line drvier/level shfiter like MAX232 to interface high voltage of RS-232C. + + + +Build Firmware +-------------- +Configure UART setting and Just use 'make' + + $ cd ascii_usb + $ make + +Then, load the binary to MCU with your favorite programmer. + + + +Limitation +---------- +- This cannot see key up event, you cannot hold a key. +- Alt, Gui(Win/Mac) modifier key are not available. + + + +Scan code +--------- +ASCII code(0x01-7F) |