feat: ajout d'un buffer pour les scancodes
This commit is contained in:
parent
6d16c840ea
commit
1027401800
610
lib/keyboard.c
610
lib/keyboard.c
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@ -1,305 +1,305 @@
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#include "idt.h"
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#include "idt.h"
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#include "types.h"
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#include "types.h"
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#include "asm.h"
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#include "asm.h"
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#include "memory.h"
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#include "memory.h"
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#include "keyboard.h"
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#include "keyboard.h"
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#include "video.h"
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#include "video.h"
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static u8 bufferscan[256]={0};
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static u8 bufferscan[256]={0};
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static u8 bufferascii[256]={0};
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static u8 bufferascii[256]={0};
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static u8 ptrscan=0;
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static u8 ptrscan=0;
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static u8 ptrascii=0;
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static u8 ptrascii=0;
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static u16 kbdstatus,breakcode ;
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static u16 kbdstatus,breakcode ;
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static const u8 set1_normal[] =
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static const u8 set1_normal[] =
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{
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{
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0, 0x1B, '&', 'é', '\"', '\'', '(', '-',
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0, 0x1B, '&', 'é', '\"', '\'', '(', '-',
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'è', '_', 'ç', 'à', ')', '=', '\b', '\t',
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'è', '_', 'ç', 'à', ')', '=', '\b', '\t',
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'a', 'z', 'e', 'r', 't', 'y', 'u', 'i',
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'a', 'z', 'e', 'r', 't', 'y', 'u', 'i',
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'o', 'p', '^', '$', '\r', 0, 'q', 's',
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'o', 'p', '^', '$', '\r', 0, 'q', 's',
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'd', 'f', 'g', 'h', 'j', 'k', 'l', 'm',
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'd', 'f', 'g', 'h', 'j', 'k', 'l', 'm',
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'ù', '²', 0, '*', 'w', 'x', 'c', 'v',
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'ù', '²', 0, '*', 'w', 'x', 'c', 'v',
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'b', 'n', ',', ';', ':', '!', 0, '*',
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'b', 'n', ',', ';', ':', '!', 0, '*',
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0, ' ', 0, 0, 0, 0, 0, 0,
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0, ' ', 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, '7',
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0, 0, 0, 0, 0, 0, 0, '7',
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'8', '9','-', '4','5','6', '+', '1',
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'8', '9','-', '4','5','6', '+', '1',
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'2', '3','0','.',0, 0, '<', 0,
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'2', '3','0','.',0, 0, '<', 0,
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0
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0
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};
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};
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static const u8 set1_shift[] =
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static const u8 set1_shift[] =
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{
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{
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0, 0x1B, '1', '2', '3', '4', '5', '6',
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0, 0x1B, '1', '2', '3', '4', '5', '6',
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'7', '8', '9', '0', '°', '+', '\b', '\t',
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'7', '8', '9', '0', '°', '+', '\b', '\t',
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'A', 'Z', 'E', 'R', 'T', 'Y', 'U', 'I',
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'A', 'Z', 'E', 'R', 'T', 'Y', 'U', 'I',
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'O', 'P', '¨', '£', '\r', 0, 'Q', 'S',
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'O', 'P', '¨', '£', '\r', 0, 'Q', 'S',
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'D', 'F', 'G', 'H', 'J', 'K', 'L', 'M',
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'D', 'F', 'G', 'H', 'J', 'K', 'L', 'M',
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'%', 0, 0, 'µ', 'W', 'X', 'C', 'V',
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'%', 0, 0, 'µ', 'W', 'X', 'C', 'V',
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'B', 'N', '?', '.', '/', '§', 0, '*',
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'B', 'N', '?', '.', '/', '§', 0, '*',
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0, ' ', 0, 0, 0, 0, 0, 0,
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0, ' ', 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0,0, 0, '7',
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0, 0, 0, 0, 0,0, 0, '7',
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'8', '9','-', '4','5','6', '+', '1',
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'8', '9','-', '4','5','6', '+', '1',
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'2', '3','0','.',0, 0, '>', 0,
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'2', '3','0','.',0, 0, '>', 0,
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0
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0
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};
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};
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static const u8 set1_alt[] =
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static const u8 set1_alt[] =
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{
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{
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0, 0x1B, 0, 0, 0, 0, 0, 0,
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0, 0x1B, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, '\r', 0, 0, 0,
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0, 0, 0, 0, '\r', 0, 0, 0,
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0, 0, 0,0, 0, 0, 0, 0,
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0, 0, 0,0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, '*',
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0, 0, 0, 0, 0, 0, 0, '*',
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0, ' ', 0, 0, 0, 0, 0, 0,
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0, ' ', 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0,0, 0, '7',
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0, 0, 0, 0, 0,0, 0, '7',
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'8', '9','-', '4','5','6', '+', '1',
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'8', '9','-', '4','5','6', '+', '1',
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'2', '3','0','.',0, 0, 0, 0,
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'2', '3','0','.',0, 0, 0, 0,
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0
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0
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};
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};
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static const u8 set1_altgr[] =
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static const u8 set1_altgr[] =
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{
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{
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0, 0x1B, 0, '~', '#', '{', '[', '|',
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0, 0x1B, 0, '~', '#', '{', '[', '|',
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'`', '\\', '^', '@', ']', '}', '\b', '\t',
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'`', '\\', '^', '@', ']', '}', '\b', '\t',
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, '¤', '\r', 0, 0, 0,
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0, 0, 0, '¤', '\r', 0, 0, 0,
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0, 0, 0,0, 0, 0, 0, 0,
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0, 0, 0,0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, '*',
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0, 0, 0, 0, 0, 0, 0, '*',
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0, ' ', 0, 0, 0, 0, 0, 0,
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0, ' ', 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0,0, 0, '7',
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0, 0, 0, 0, 0,0, 0, '7',
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'8', '9','-', '4','5','6', '+', '1',
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'8', '9','-', '4','5','6', '+', '1',
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'2', '3','0','.',0, 0, 0, 0,
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'2', '3','0','.',0, 0, 0, 0,
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0
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0
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};
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};
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static const u8 set1_ctrl[] =
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static const u8 set1_ctrl[] =
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{
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{
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0, 0x1B, 0, 0,0, 0, 0x1B, 0,
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0, 0x1B, 0, 0,0, 0, 0x1B, 0,
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0, 0x1C, 0, 0, 0x1D, 0, 0, 0x1F,
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0, 0x1C, 0, 0, 0x1D, 0, 0, 0x1F,
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0x01, 0x1A, 0x05, 0x012, 0x14, 0x19, 0x15, 0x09,
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0x01, 0x1A, 0x05, 0x012, 0x14, 0x19, 0x15, 0x09,
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0x0F, 0x10, 0x1E, 0, 0, 0, 0x11, 0x13,
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0x0F, 0x10, 0x1E, 0, 0, 0, 0x11, 0x13,
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0x04, 0x06, 0x07,0x08, 0x0A, 0x0B, 0x0C, 0x0D,
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0x04, 0x06, 0x07,0x08, 0x0A, 0x0B, 0x0C, 0x0D,
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0, 0, 0, 0, 0x17, 0x18, 0x03, 0x16,
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0, 0, 0, 0, 0x17, 0x18, 0x03, 0x16,
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0x02, 0x0E, 0, 0, 0, 0, 0, '*',
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0x02, 0x0E, 0, 0, 0, 0, 0, '*',
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0, ' ', 0, 0, 0, 0, 0, 0,
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0, ' ', 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0,0, 0, '7',
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0, 0, 0, 0, 0,0, 0, '7',
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'8', '9','-', '4','5','6', '+', '1',
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'8', '9','-', '4','5','6', '+', '1',
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'2', '3','0','.',0, 0, 0, 0,
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'2', '3','0','.',0, 0, 0, 0,
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0
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0
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};
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};
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/******************************************************************************/
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/******************************************************************************/
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u8 waitascii()
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u8 waitascii()
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{
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{
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u8 oldptrascii=ptrascii;
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u8 oldptrscan=ptrscan;
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while(oldptrascii==ptrascii) {};
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u8 oldptrascii=ptrascii;
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return bufferascii[ptrascii];
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while((oldptrascii==ptrascii));/*(oldptrscan==ptrscan)&&*/
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}
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return bufferascii[ptrascii];
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}
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/******************************************************************************/
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/******************************************************************************/
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void outkbd(u8 port, u8 data)
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{
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void outkbd(u8 port, u8 data)
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u32 timeout;
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{
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u8 state;
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u32 timeout;
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u8 state;
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/* timeout */
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for(timeout = 500000L; timeout != 0; timeout--)
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/* timeout */
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{
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for(timeout = 500000L; timeout != 0; timeout--)
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state = inb(0x64);
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{
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/* vide le buffer du 8042 */
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state = inb(0x64);
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if((state & 0x02) == 0) break;
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/* vide le buffer du 8042 */
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}
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if((state & 0x02) == 0) break;
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if(timeout != 0)
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}
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outb(port, data);
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if(timeout != 0)
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}
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outb(port, data);
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}
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/******************************************************************************/
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static void reboot(void)
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/******************************************************************************/
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{
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static void reboot(void)
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u8 temp;
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{
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cli();
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u8 temp;
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/* vide le 8042 */
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cli();
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do
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/* vide le 8042 */
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{
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do
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temp = inb(0x64);
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{
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if((temp & 0x01) != 0)
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temp = inb(0x64);
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{
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if((temp & 0x01) != 0)
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(void)inb(0x60);
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{
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continue;
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(void)inb(0x60);
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}
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continue;
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} while((temp & 0x02) != 0);
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}
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/* active le reset CPU */
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} while((temp & 0x02) != 0);
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outb(0x64, 0xFE);
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/* active le reset CPU */
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while(1)
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outb(0x64, 0xFE);
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/* boucle infinie */;
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while(1)
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}
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/* boucle infinie */;
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}
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/******************************************************************************/
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unsigned convert(u32 keypressed)
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/******************************************************************************/
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{
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unsigned convert(u32 keypressed)
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{
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u8 temp,key,lastscan;
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u8 temp,key,lastscan;
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/* garde le dernier pointeur du buffer scan */
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/* garde le dernier pointeur du buffer scan */
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lastscan=ptrscan;
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lastscan=ptrscan;
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/* incrémente le pointeur est assigne au buffer le dernier scancode */
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/* incrémente le pointeur est assigne au buffer le dernier scancode */
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ptrscan++;
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ptrscan++;
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if (ptrscan==255) ptrscan==0;
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if (ptrscan==255) ptrscan==0;
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bufferscan[ptrscan]=keypressed;
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bufferscan[ptrscan]=keypressed;
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/* break key (touche relaché) ? */
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/* break key (touche relaché) ? */
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if(keypressed >= 0x80) breakcode = 1;
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if(keypressed >= 0x80) breakcode = 1;
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key = (keypressed&0x7F);
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key = (keypressed&0x7F);
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/* Mise a jour des flags lors du relachement de touches de controle */
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/* Mise a jour des flags lors du relachement de touches de controle */
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if(breakcode)
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if(breakcode)
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{
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{
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if(key == SCAN_ALT)
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if(key == SCAN_ALT)
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{
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{
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kbdstatus &= ~STATUS_ALT;
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kbdstatus &= ~STATUS_ALT;
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/* si ALT GR (E01D) alors activer aussi control */
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/* si ALT GR (E01D) alors activer aussi control */
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if (bufferscan[lastscan]==0xE0) kbdstatus &= ~STATUS_CTRL;
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if (bufferscan[lastscan]==0xE0) kbdstatus &= ~STATUS_CTRL;
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}
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}
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else if(key == SCAN_CTRL)
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else if(key == SCAN_CTRL)
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kbdstatus &= ~STATUS_CTRL;
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kbdstatus &= ~STATUS_CTRL;
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else if(key == SCAN_LEFTSHIFT || key == SCAN_RIGHTSHIFT)
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else if(key == SCAN_LEFTSHIFT || key == SCAN_RIGHTSHIFT)
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kbdstatus &= ~STATUS_SHIFT;
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kbdstatus &= ~STATUS_SHIFT;
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breakcode = 0;
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breakcode = 0;
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return 0;
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return 0;
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}
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}
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/* Mise a jour des flags lors de l'appuie de touches de controle */
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/* Mise a jour des flags lors de l'appuie de touches de controle */
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if(key == SCAN_ALT)
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if(key == SCAN_ALT)
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{
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{
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kbdstatus |= STATUS_ALT;
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kbdstatus |= STATUS_ALT;
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/* si ALT GR (E01D) alors desactiver aussi control */
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/* si ALT GR (E01D) alors desactiver aussi control */
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if (bufferscan[lastscan]==0xE0) kbdstatus |= STATUS_CTRL;
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if (bufferscan[lastscan]==0xE0) kbdstatus |= STATUS_CTRL;
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return 0;
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return 0;
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}
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}
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if(key == SCAN_CTRL)
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if(key == SCAN_CTRL)
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{
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{
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kbdstatus |= STATUS_CTRL;
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kbdstatus |= STATUS_CTRL;
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return 0;
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return 0;
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}
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}
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if(key == SCAN_LEFTSHIFT || key == SCAN_RIGHTSHIFT)
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if(key == SCAN_LEFTSHIFT || key == SCAN_RIGHTSHIFT)
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{
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{
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kbdstatus |= STATUS_SHIFT;
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kbdstatus |= STATUS_SHIFT;
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return 0;
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return 0;
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}
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}
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if ((key >= SCAN_F1) && (key <= SCAN_F8))
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if ((key >= SCAN_F1) && (key <= SCAN_F8))
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{
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{
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changevc(key-SCAN_F1);
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changevc(key-SCAN_F1);
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}
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}
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/* Scroll Lock, Num Lock, and Caps Lock mise a jour des leds */
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/* Scroll Lock, Num Lock, and Caps Lock mise a jour des leds */
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if(key == SCAN_SCROLLLOCK)
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if(key == SCAN_SCROLLLOCK)
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{
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{
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kbdstatus ^= STATUS_SCRL;
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kbdstatus ^= STATUS_SCRL;
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goto LEDS;
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goto LEDS;
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}
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}
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if(key == SCAN_NUMLOCK)
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if(key == SCAN_NUMLOCK)
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{
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{
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kbdstatus ^= STATUS_NUM;
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kbdstatus ^= STATUS_NUM;
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goto LEDS;
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goto LEDS;
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}
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}
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if(key == SCAN_CAPSLOCK)
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if(key == SCAN_CAPSLOCK)
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{
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{
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kbdstatus ^= STATUS_CAPS;
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kbdstatus ^= STATUS_CAPS;
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LEDS:
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LEDS:
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outkbd(0x60, 0xED); /* "mise a jour des LEDS */
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outkbd(0x60, 0xED); /* "mise a jour des LEDS */
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temp = 0;
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temp = 0;
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if(kbdstatus & STATUS_SCRL)
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if(kbdstatus & STATUS_SCRL)
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temp |= 1;
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temp |= 1;
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if(kbdstatus & STATUS_NUM)
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if(kbdstatus & STATUS_NUM)
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temp |= 2;
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temp |= 2;
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if(kbdstatus & STATUS_CAPS)
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if(kbdstatus & STATUS_CAPS)
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temp |= 4;
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temp |= 4;
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outkbd(0x60, temp); /* 3 bits de poids faible pour les LEDs */
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outkbd(0x60, temp); /* 3 bits de poids faible pour les LEDs */
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return 0;
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return 0;
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}
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}
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/* est ce un code etendu */
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/* est ce un code etendu */
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if ((bufferscan[lastscan]==0xE0)||((kbdstatus & STATUS_NUM)&&(key>=0x47)&&(key<=0x53)&&(key!=0x4A)&&(key!=0x4e)))
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if ((bufferscan[lastscan]==0xE0)||((kbdstatus & STATUS_NUM)&&(key>=0x47)&&(key<=0x53)&&(key!=0x4A)&&(key!=0x4e)))
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/* exceptions */
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/* exceptions */
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{
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{
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/* '/' (E035) */
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/* '/' (E035) */
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if (key==0x35) return '/';
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if (key==0x35) return '/';
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/* '\r' (E01C) 2ème enter numérique*/
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/* '\r' (E01C) 2ème enter numérique*/
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if (key==0x1C) return '\r';
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if (key==0x1C) return '\r';
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/* 0x11 (E048) device control 1)*/
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/* 0x11 (E048) device control 1)*/
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if (key==0x48) return 0x11;
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if (key==0x48) return 0x11;
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/* 0x12 (E050) device control 2)*/
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/* 0x12 (E050) device control 2)*/
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if (key==0x50) return 0x12;
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if (key==0x50) return 0x12;
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/* 0x13 (E04b) device control 3)*/
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/* 0x13 (E04b) device control 3)*/
|
||||||
if (key==0x4b) return 0x13;
|
if (key==0x4b) return 0x13;
|
||||||
/* 0x14 (E04d) device control 4)*/
|
/* 0x14 (E04d) device control 4)*/
|
||||||
if (key==0x4d) return 0x14;
|
if (key==0x4d) return 0x14;
|
||||||
/* 0x02 (E049) start of text)*/
|
/* 0x02 (E049) start of text)*/
|
||||||
if (key==0x49) return 0x2;
|
if (key==0x49) return 0x2;
|
||||||
/* 0x03 (E051) end of text)*/
|
/* 0x03 (E051) end of text)*/
|
||||||
if (key==0x51) return 0x3;
|
if (key==0x51) return 0x3;
|
||||||
/* 0x10 (E047) Line feed)*/
|
/* 0x10 (E047) Line feed)*/
|
||||||
if (key==0x47) return '\n';
|
if (key==0x47) return '\n';
|
||||||
/* 0x1A (E052) Substitution)*/
|
/* 0x1A (E052) Substitution)*/
|
||||||
if (key==0x52) return 0x1A;
|
if (key==0x52) return 0x1A;
|
||||||
/* 0x18 (E053) Cancel)*/
|
/* 0x18 (E053) Cancel)*/
|
||||||
if (key==0x53) return 0x18;
|
if (key==0x53) return 0x18;
|
||||||
/* 0x19 (E04f) End of medium)*/
|
/* 0x19 (E04f) End of medium)*/
|
||||||
if (key==0x4f) return 0x19;
|
if (key==0x4f) return 0x19;
|
||||||
return 0x00;
|
return 0x00;
|
||||||
}
|
}
|
||||||
else
|
else
|
||||||
{
|
{
|
||||||
/* detecte les SCANCODES invalides */
|
/* detecte les SCANCODES invalides */
|
||||||
if(key >= sizeof(set1_normal) / sizeof(set1_normal[0])) return 0;
|
if(key >= sizeof(set1_normal) / sizeof(set1_normal[0])) return 0;
|
||||||
/* converti le scancode en code ASCII en fonction du statut*/
|
/* converti le scancode en code ASCII en fonction du statut*/
|
||||||
if (kbdstatus & STATUS_SHIFT||kbdstatus & STATUS_CAPS)
|
if (kbdstatus & STATUS_SHIFT||kbdstatus & STATUS_CAPS)
|
||||||
temp = set1_shift[key];
|
temp = set1_shift[key];
|
||||||
else if ((kbdstatus & STATUS_ALT)&&(kbdstatus & STATUS_CTRL))
|
else if ((kbdstatus & STATUS_ALT)&&(kbdstatus & STATUS_CTRL))
|
||||||
temp = set1_altgr[key];
|
temp = set1_altgr[key];
|
||||||
else if (kbdstatus & STATUS_CTRL)
|
else if (kbdstatus & STATUS_CTRL)
|
||||||
temp = set1_ctrl[key];
|
temp = set1_ctrl[key];
|
||||||
else if (kbdstatus & STATUS_ALT)
|
else if (kbdstatus & STATUS_ALT)
|
||||||
temp = set1_alt[key];
|
temp = set1_alt[key];
|
||||||
else
|
else
|
||||||
temp = set1_normal[key];
|
temp = set1_normal[key];
|
||||||
}
|
}
|
||||||
|
|
||||||
/* si scancode non reconnu fin de fonction */
|
/* si scancode non reconnu fin de fonction */
|
||||||
if(temp == 0) return temp;
|
if(temp == 0) return temp;
|
||||||
/* Appuie de CRTL + ALT + SUPR ? */
|
/* Appuie de CRTL + ALT + SUPR ? */
|
||||||
if((kbdstatus & STATUS_CTRL) && (kbdstatus & STATUS_ALT) &&
|
if((kbdstatus & STATUS_CTRL) && (kbdstatus & STATUS_ALT) &&
|
||||||
(key == 76))
|
(key == 76))
|
||||||
{
|
{
|
||||||
print("redemarrage du systeme");
|
print("redemarrage du systeme");
|
||||||
reboot();
|
reboot();
|
||||||
}
|
}
|
||||||
/* Renvoie le Code ascii */
|
/* Renvoie le Code ascii */
|
||||||
return temp;
|
return temp;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
||||||
/******************************************************************************/
|
/******************************************************************************/
|
||||||
|
|
||||||
void keyboard()
|
void keyboard()
|
||||||
{
|
{
|
||||||
u8 scancode,ascii;
|
u8 scancode,ascii;
|
||||||
cli();
|
cli();
|
||||||
while ((inb(0x64)&1)==0);
|
while ((inb(0x64)&1)==0);
|
||||||
scancode=inb(0x60);
|
scancode=inb(0x60);
|
||||||
ascii = convert(scancode);
|
ascii = convert(scancode);
|
||||||
if(ascii != 0)
|
if(ascii != 0)
|
||||||
{
|
{
|
||||||
/*putchar(ascii);*/
|
putchar(ascii);
|
||||||
ptrascii++;
|
ptrascii++;
|
||||||
if (ptrascii==255) ptrascii==0;
|
if (ptrascii==255) ptrascii==0;
|
||||||
bufferascii[ptrascii]=ascii;
|
bufferascii[ptrascii]=ascii;
|
||||||
}
|
}
|
||||||
irqendmaster();
|
irqendmaster();
|
||||||
sti();
|
sti();
|
||||||
iret();
|
iret();
|
||||||
}
|
}
|
||||||
|
|
||||||
/******************************************************************************/
|
/******************************************************************************/
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue