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Nice userspace wrappers for ps2kb driver

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This commit is contained in:
Kamil Kowalczyk
2025-09-07 22:24:34 +02:00
parent 659f98910d
commit e71361dcca
4 changed files with 23 additions and 3 deletions
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1
ulib/Makefile
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@ -10,6 +10,7 @@ SRCFILES := $(call GRABSRC, \
string \ string \
system \ system \
printf \ printf \
devices \
) )
CFLAGS += -isystem $(ROOT)/share -isystem $(ROOT)/ulib -isystem $(ROOT)/std/include \ CFLAGS += -isystem $(ROOT)/share -isystem $(ROOT)/ulib -isystem $(ROOT)/std/include \

8
ulib/devices/ps2kb.c Normal file
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@ -0,0 +1,8 @@
#include <stdint.h>
#include <sysdefs/ipcpipe.h>
#include <system/ipcpipe.h>
int32_t dev_ps2kb_read(int32_t *ch) {
return ipcpipe(1, 0, IPCPIPE_READ, (uint8_t *)ch, sizeof(*ch));
}

10
ulib/devices/ps2kb.h Normal file
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@ -0,0 +1,10 @@
#ifndef ULIB_DEVICES_PS2KB_H_
#define ULIB_DEVICES_PS2KB_H_
#include <stdint.h>
#define PS2KB_C(x) ((x) - '@')
int32_t dev_ps2kb_read(int32_t *ch);
#endif // ULIB_DEVICES_PS2KB_H_

7
user/init/main.c
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@ -7,6 +7,7 @@
#include <ansiq/all.h> #include <ansiq/all.h>
#include <sysdefs/ipcpipe.h> #include <sysdefs/ipcpipe.h>
#include <system/ipcpipe.h> #include <system/ipcpipe.h>
#include <devices/ps2kb.h>
void main(void) { void main(void) {
debugprint(ANSIQ_SCR_CLR_ALL); debugprint(ANSIQ_SCR_CLR_ALL);
@ -28,10 +29,10 @@ void main(void) {
while(1) { while(1) {
int32_t kbchar; int32_t kbchar;
int32_t read = ipcpipe(1, 0, IPCPIPE_READ, (uint8_t *)&kbchar, sizeof(kbchar)); int32_t read = dev_ps2kb_read(&kbchar);
if (read > 0 && (kbchar >= 0x20 && kbchar <= 0x7F)) { if (read > 0 && (kbchar >= 0x20 && kbchar <= 0x7F || kbchar == 0xA)) {
uprintf("%c", (char)kbchar); uprintf("%c", kbchar & 0xFF);
ipcpipe(3, 1, IPCPIPE_WRITE, (uint8_t *)&kbchar, 1); ipcpipe(3, 1, IPCPIPE_WRITE, (uint8_t *)&kbchar, 1);
} }
} }