Mercurial > louis > kiibohd-controller
diff Scan/UARTConnect/capabilities.kll @ 307:ecd2ae35d25c
Initial commit for UARTConnect module
* Keyboard interconnect using two uarts
* Supports daisy chain addressing using a master/slave direction communication scheme
- Still needs more testing
- Functions have been tested alone to be generally working
| author | Jacob Alexander <haata@kiibohd.com> |
|---|---|
| date | Sun, 15 Mar 2015 16:58:01 -0700 |
| parents | |
| children | 136e47478441 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Scan/UARTConnect/capabilities.kll Sun Mar 15 16:58:01 2015 -0700 @@ -0,0 +1,31 @@ +Name = UARTConnectCapabilities; +Version = 0.1; +Author = "HaaTa (Jacob Alexander) 2015"; +KLL = 0.3a; + +# Modified Date +Date = 2015-03-15; + +# UART Buffer Size +# Number of bytes to reserve for each side of UARTConnect +# For true NKRO support must be at least: <# of Keys> x 3 + 5 +UARTConnectBufSize => UARTConnectBufSize_define; +UARTConnectBufSize = 128; # MDErgo1 requires at least a 119 byte buffer + +# UART Speed +# *NOTE* This must be changed on every device in the chain or else UARTConnect will not work +# The faster the speed, the lower the latency, but higher chance for an error +UARTConnectBaud => UARTConnectBaud_define; +UARTConnectBaudFine => UARTConnectBaudFine_define; +# Generally, leave BaudFine at zero unless trying to tune the link to an external UART +# You'll want to look at the specific chip datasheet for the exact equation +# +# Example of 115200 Baud using a 48 MHz clock (mk20dx128vlf5) +# 48 MHz / ( 16 * Baud ) = BDH/L +# Baud: 115200 -> 48 MHz / ( 16 * 115200 ) = 26.0416667 +# Thus baud setting = 26 +# NOTE: If finer baud adjustment is needed see UARTx_C4 -> BRFA in the datasheet +# Baud fine setting = 0x02 +UARTConnectBaud = 26; +UARTConnectBaudFine = 0x02; +