Revision 6
Poll finished-no sys_call count
| lab3/lab3.c | ||
|---|---|---|
| 29 | 29 |
// handles control over to LCF |
| 30 | 30 |
// [LCF handles command line arguments and invokes the right function] |
| 31 | 31 |
if (lcf_start(argc, argv)) |
| 32 |
return 1;
|
|
| 32 |
return 1; |
|
| 33 | 33 |
|
| 34 | 34 |
// LCF clean up tasks |
| 35 | 35 |
// [must be the last statement before return] |
| ... | ... | |
| 49 | 49 |
uint8_t scan_arr[2] = {0, 0};
|
| 50 | 50 |
scan_arr[0] = scancode & 0xFF; |
| 51 | 51 |
scan_arr[1] = scancode & 0xFF00; |
| 52 |
int flag=0;
|
|
| 52 |
int flag = 0;
|
|
| 53 | 53 |
|
| 54 | 54 |
printf("%d\n",
|
| 55 | 55 |
sys_irqsetpolicy(IRQ_KB, IRQ_REENABLE | IRQ_EXCLUSIVE, &hook_id)); |
| ... | ... | |
| 67 | 67 |
printf("%x\n", scancode);
|
| 68 | 68 |
kbc_ih(); |
| 69 | 69 |
printf("\n");
|
| 70 |
while ((scancode & 0xFF) !=
|
|
| 70 |
while (scancode !=
|
|
| 71 | 71 |
EXIT_CODE) { /* You may want to use a different condition */
|
| 72 | 72 |
/* Get a request message. */ |
| 73 | 73 |
// printf("1\n");
|
| ... | ... | |
| 84 | 84 |
sys_inb(0x64, &scancode); |
| 85 | 85 |
if (scancode & 0x01) {
|
| 86 | 86 |
sys_inb(0x60, &scancode); |
| 87 |
} |
|
| 88 |
|
|
| 89 |
if(scancode !=0xe0 && flag==0) |
|
| 90 |
{
|
|
| 91 |
//tickdelay(micros_to_ticks(DELAY_US)); |
|
| 87 |
if (scancode != 0xe0 && flag == 0) {
|
|
| 88 |
// tickdelay(micros_to_ticks(DELAY_US)); |
|
| 92 | 89 |
scan_arr[0] = scancode; |
| 93 | 90 |
kbd_print_scancode(!(scancode & 0x80), 1, scan_arr); |
| 94 | 91 |
} |
| 95 | 92 |
|
| 96 |
else if(scancode==0xe0) |
|
| 97 |
{
|
|
| 98 |
scan_arr[0]=scancode; |
|
| 99 |
flag=1; |
|
| 93 |
else if (scancode == 0xe0) {
|
|
| 94 |
scan_arr[0] = scancode; |
|
| 95 |
flag = 1; |
|
| 100 | 96 |
} |
| 101 | 97 |
|
| 102 |
else if(flag==1) |
|
| 103 |
{
|
|
| 98 |
else if (flag == 1) {
|
|
| 104 | 99 |
scan_arr[1] = scancode; |
| 105 | 100 |
kbd_print_scancode(!(scancode & 0x80), 2, scan_arr); |
| 106 |
flag=0;
|
|
| 101 |
flag = 0;
|
|
| 107 | 102 |
} |
| 103 |
} |
|
| 108 | 104 |
|
| 109 | 105 |
} |
| 110 | 106 |
// printf("msg:%x\n",msg.m_notify.interrupts);
|
| ... | ... | |
| 126 | 122 |
|
| 127 | 123 |
int(kbd_test_poll)() {
|
| 128 | 124 |
/* To be completed by the students */ |
| 129 |
printf("%s is not yet implemented!\n", __func__);
|
|
| 125 |
uint8_t scan_arr[2] = {0, 0};
|
|
| 126 |
int flag = 0; |
|
| 127 |
while(scancode != EXIT_CODE) |
|
| 128 |
{
|
|
| 129 |
tickdelay(micros_to_ticks(DELAY_US)); |
|
| 130 |
sys_inb(0x64, &scancode); |
|
| 131 |
if (scancode & 0x01) {
|
|
| 132 |
sys_inb(0x60, &scancode); |
|
| 133 |
if (scancode != 0xe0 && flag == 0) {
|
|
| 134 |
scan_arr[0] = scancode; |
|
| 135 |
kbd_print_scancode(!(scancode & 0x80), 1, scan_arr); |
|
| 136 |
} |
|
| 130 | 137 |
|
| 138 |
else if (scancode == 0xe0) {
|
|
| 139 |
scan_arr[0] = scancode; |
|
| 140 |
flag = 1; |
|
| 141 |
} |
|
| 142 |
|
|
| 143 |
else if (flag == 1) {
|
|
| 144 |
scan_arr[1] = scancode; |
|
| 145 |
kbd_print_scancode(!(scancode & 0x80), 2, scan_arr); |
|
| 146 |
flag = 0; |
|
| 147 |
} |
|
| 148 |
} |
|
| 149 |
|
|
| 150 |
} |
|
| 151 |
|
|
| 131 | 152 |
return 1; |
| 132 | 153 |
} |
| 133 | 154 |
|
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