usb_usb: Update README and firmware hex file

[max/tmk_keyboard.git] / converter / ibm4704_usb / ibm4704.txt

diff --git a/converter/ibm4704_usb/ibm4704.txt b/converter/ibm4704_usb/ibm4704.txt
index 50d8c98b0865bc394ae6736e55e875d3b02c2f8a..73c8a3b9ff2bf3a1fc014237e91ff97675ab1555 100644 (file)
--- a/converter/ibm4704_usb/ibm4704.txt
+++ b/converter/ibm4704_usb/ibm4704.txt
@@ -152,12 +152,16 @@ Keyobard sends these bytes to host.
     FD  Command out of bound                    00d8h
         Key out of bound
     7E  Read/Parity error in receive from host  00bch
+    80-FB? scan code(make)
+    00-7B? scan code(break)
+    note: Alps model spits scan code 7B(FB) at least.
 
 
 Set Key Flag command(FC)
 ------------------------
 After 'Power on Reset' firmware enters this command mode and waits for data from host,
 so that you don't need to send 'FC' and it doesn't send any scancode until you send 'FF'.
+With Alps models you need to send 'FC' command to enter this mode.
 
 Data sent from host:
 
@@ -166,16 +170,17 @@ Data sent from host:
          |   `-----`--- scan code
          `------------- enable bit(0: enable repeat, 1: enable break)
 
-    00-77   Enable repeat(78-7F: invalid scancode)
-    80-F7   Enable break(F8-FF: invalid scancode)
+    00-7B?  Enable repeat
+    80-FB?  Enable break
     FE      Resend(011ah) no need to use
     FF      End(0114h) exits FC command mode.
 
 Response from keyboard:
     FD      Out of bound - Invalid scancode
+    --      OK - No response means that command is accepted.
 
 Examples:
     To enable break code of all keys.
 
-    FC 80 81 ... F7 FF
+    FC 80 81 ... FB FF