Revision 56
implementing mouse_parse_packet
| lab4/lab4.c | ||
|---|---|---|
| 29 | 29 |
return 0; |
| 30 | 30 |
} |
| 31 | 31 |
|
| 32 |
extern uint8_t packet[3]; |
|
| 33 |
extern int counter; |
|
| 32 | 34 |
|
| 33 | 35 |
int (mouse_test_packet)(uint32_t cnt) {
|
| 34 | 36 |
/// loop stuff |
| ... | ... | |
| 42 | 44 |
if(mouse_enable_data_reporting()) return 1; |
| 43 | 45 |
/// cycle |
| 44 | 46 |
int good = 1; |
| 47 |
uint32_t cnt_now = 0; |
|
| 45 | 48 |
while (good) {
|
| 46 | 49 |
/* Get a request message. */ |
| 47 | 50 |
if ((r = driver_receive(ANY, &msg, &ipc_status)) != 0) {
|
| ... | ... | |
| 53 | 56 |
case HARDWARE: /* hardware interrupt notification */ |
| 54 | 57 |
if (msg.m_notify.interrupts & mouse_irq) { /* subscribed interrupt */
|
| 55 | 58 |
mouse_ih(); |
| 59 |
if(counter >= 3){
|
|
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struct packet pp = mouse_parse_packet(packet); |
|
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mouse_print_packet(&pp); |
|
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cnt_now++; |
|
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if(cnt == cnt_now) good = 0; |
|
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} |
|
| 56 | 65 |
/* |
| 57 | 66 |
if (!(two_byte_scancode || got_error)) { // finished processing a scancode
|
| 58 | 67 |
if (scancode[0] == TWO_BYTE_CODE) kbd_print_scancode(!(scancode[1] & BREAK_CODE_BIT), 2, scancode); |
| lab4/mouse_func.c | ||
|---|---|---|
| 17 | 17 |
if (sys_irqrmpolicy(interrupt_id)) return UNSBCR_ERROR; |
| 18 | 18 |
return SUCCESS; |
| 19 | 19 |
} |
| 20 |
|
|
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int got_error = 0; |
|
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uint8_t packet[3]; |
|
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int counter = 0; |
|
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|
|
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void (mouse_ih)(void) {
|
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uint8_t status = 0; |
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got_error = 0; |
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|
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if (util_sys_inb(STATUS_REG, &status)) {
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got_error = 1; |
|
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return; |
|
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} |
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|
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if (status & (TIME_OUT_REC | PARITY_ERROR)) {
|
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got_error = 1; |
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return; |
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} |
|
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|
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uint8_t byte = 0; |
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|
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if (util_sys_inb(OUTPUT_BUF, &byte)) {
|
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got_error = 1; |
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return; |
|
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} |
|
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|
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if(counter >= 3) counter = 0; |
|
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packet[counter] = byte; |
|
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counter++; |
|
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|
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} |
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|
|
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struct packet (mouse_parse_packet)(const uint8_t *packet_bytes){
|
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struct packet pp; |
|
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pp.bytes[0] = packet_bytes[0]; |
|
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pp.bytes[1] = packet_bytes[1]; |
|
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pp.bytes[2] = packet_bytes[2]; |
|
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pp.rb = pp.bytes[0] & RIGHT_BUTTON; |
|
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pp.mb = pp.bytes[0] & MIDDLE_BUTTON; |
|
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pp.lb = pp.bytes[0] & LEFT_BUTTON; |
|
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//pp.delta_x = |
|
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return pp; |
|
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} |
|
| lab4/mouse_func.h | ||
|---|---|---|
| 21 | 21 |
*/ |
| 22 | 22 |
int (unsubscribe_interrupt)(int *interrupt_id); |
| 23 | 23 |
|
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struct packet (mouse_parse_packet)(const uint8_t *packet_bytes); |
|
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|
|
| 24 | 26 |
#endif /* end of include guard: _MOUSE_FUNC_H_ */ |
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