max/tmk_keyboard
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

ibmpc_usb: Fix Disable/Enable keyboard

Browse source 
- Return without enabling with F4 for 84-key AT wrongly before this fix
- disable/enable doesn't seems to be needed
This commit is contained in:
tmk 2020-01-17 13:41:14 +09:00
parent 7587fe3382
commit cb026d74a5
1 changed files with 6 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

11
converter/ibmpc_usb/ibmpc_usb.c
View file

@ -55,22 +55,23 @@ static uint16_t read_keyboard_id(void)
int16_t code = 0; int16_t code = 0;
// Disable // Disable
code = ibmpc_host_send(0xF5); //code = ibmpc_host_send(0xF5);
// Read ID // Read ID
code = ibmpc_host_send(0xF2); code = ibmpc_host_send(0xF2);
if (code == -1) return 0xFFFF; // XT or No keyboard if (code == -1) { id = 0xFFFF; goto DONE; } // XT or No keyboard
if (code != 0xFA) return 0xFFFE; // Broken PS/2? if (code != 0xFA) { id = 0xFFFE; goto DONE; } // Broken PS/2?
code = read_wait(1000); code = read_wait(1000);
if (code == -1) return 0x0000; // AT if (code == -1) { id = 0x0000; goto DONE; } // AT
id = (code & 0xFF)<<8; id = (code & 0xFF)<<8;
code = read_wait(1000); code = read_wait(1000);
id |= code & 0xFF; id |= code & 0xFF;
DONE:
// Enable // Enable
code = ibmpc_host_send(0xF4); //code = ibmpc_host_send(0xF4);
return id; return id;
} }