diff options
| author | wdenk <wdenk> | 2004-12-12 22:06:17 +0000 |
|---|---|---|
| committer | wdenk <wdenk> | 2004-12-12 22:06:17 +0000 |
| commit | 7e6bf358d84b413b7a402079b130a9a2a1222d74 (patch) | |
| tree | e721df75fe9c3d22042f628bfc98d878884fd3b8 /drivers/keyboard.c | |
| parent | 25d6712a81b31fc5e4c4bddd81e9aaddb84e23be (diff) | |
Patch by Martin Krause, 27 Oct 2004:
- add support for "STK52xx" board (including PS/2 multiplexer)
- add hardware detection for TQM5200
Diffstat (limited to 'drivers/keyboard.c')
| -rw-r--r-- | drivers/keyboard.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/keyboard.c b/drivers/keyboard.c index a42468f0c6..f12de838f3 100644 --- a/drivers/keyboard.c +++ b/drivers/keyboard.c @@ -33,6 +33,10 @@ #define KBD_BUFFER_LEN 0x20 /* size of the keyboardbuffer */ +#ifdef CONFIG_MPC5xxx +int ps2ser_check(void); +#endif + static volatile char kbd_buffer[KBD_BUFFER_LEN]; static volatile int in_pointer = 0; static volatile int out_pointer = 0; @@ -71,6 +75,10 @@ static void kbd_put_queue(char data) /* test if a character is in the queue */ static int kbd_testc(void) { +#ifdef CONFIG_MPC5xxx + /* no ISR is used, so received chars must be polled */ + ps2ser_check(); +#endif if(in_pointer==out_pointer) return(0); /* no data */ else @@ -81,7 +89,12 @@ static int kbd_testc(void) static int kbd_getc(void) { char c; - while(in_pointer==out_pointer); + while(in_pointer==out_pointer) { +#ifdef CONFIG_MPC5xxx + /* no ISR is used, so received chars must be polled */ + ps2ser_check(); +#endif + ;} if((out_pointer+1)==KBD_BUFFER_LEN) out_pointer=0; else |