Patch by Martin Krause, 27 Oct 2004:
- add support for "STK52xx" board (including PS/2 multiplexer)
- add hardware detection for TQM5200
diff --git a/drivers/keyboard.c b/drivers/keyboard.c
index a42468f..f12de83 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 @@
/* 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_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