christoph/lecture-operating-system-development
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reformat + static const ioports

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This commit is contained in:
Christoph Urlacher
2022-07-24 16:54:51 +02:00
parent e1eac41853
commit 0d109727ac
11 changed files with 84 additions and 67 deletions
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18
c_os/devices/Keyboard.h
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@ -17,16 +17,14 @@
class Keyboard : public ISR {
private:
Keyboard(const Keyboard& copy) = delete; // Verhindere Kopieren
unsigned char code; // Byte von Tastatur
unsigned char prefix; // Prefix von Tastatur
Key gather; // letzter dekodierter Key
char leds; // Zustand LEDs
// Benutzte Ports des Tastaturcontrollers
const IOport ctrl_port; // Status- (R) u. Steuerregister (W)
const IOport data_port; // Ausgabe- (R) u. Eingabepuffer (W)
static const IOport ctrl_port; // Status- (R) u. Steuerregister (W)
static const IOport data_port; // Ausgabe- (R) u. Eingabepuffer (W)
// Bits im Statusregister
enum { outb = 0x01,
@ -58,11 +56,11 @@ private:
prefix2 = 0xe1 };
// Klassenvariablen
static unsigned char normal_tab[];
static unsigned char shift_tab[];
static unsigned char alt_tab[];
static unsigned char asc_num_tab[];
static unsigned char scan_num_tab[];
static const unsigned char normal_tab[];
static const unsigned char shift_tab[];
static const unsigned char alt_tab[];
static const unsigned char asc_num_tab[];
static const unsigned char scan_num_tab[];
// Interpretiert die Make und Break-Codes der Tastatur.
bool key_decoded();
@ -74,6 +72,8 @@ private:
Key key_hit();
public:
Keyboard(const Keyboard& copy) = delete; // Verhindere Kopieren
unsigned int lastkey; // speichert den ASCII-Code der zuletzt gedrückten Taste
// Initialisierung der Tastatur.