Revision 74
implemented async. not working properly somehow
| lab4/Makefile | ||
|---|---|---|
| 2 | 2 |
PROG=lab4 |
| 3 | 3 |
|
| 4 | 4 |
# source code files to be compiled |
| 5 |
SRCS = lab4.c mouse.c utils.c kbc.c keyboard.c |
|
| 5 |
SRCS = lab4.c mouse.c utils.c kbc.c keyboard.c timer.c
|
|
| 6 | 6 |
|
| 7 | 7 |
# additional compilation flags |
| 8 | 8 |
# "-Wall -Wextra -Werror -I . -std=c11 -Wno-unused-parameter" are already set |
| lab4/lab4.c | ||
|---|---|---|
| 7 | 7 |
#include "kbc.h" |
| 8 | 8 |
#include "errors.h" |
| 9 | 9 |
#include "mouse_macros.h" |
| 10 |
#include "timer.h" |
|
| 10 | 11 |
|
| 11 | 12 |
int main(int argc, char *argv[]) {
|
| 12 | 13 |
// sets the language of LCF messages (can be either EN-US or PT-PT) |
| ... | ... | |
| 39 | 40 |
/// loop stuff |
| 40 | 41 |
int ipc_status, r; |
| 41 | 42 |
message msg; |
| 42 |
/// Keyboard interrupt handling
|
|
| 43 |
/// Mouse interrupt handling
|
|
| 43 | 44 |
uint8_t mouse_irq_bit = 12; |
| 44 | 45 |
int mouse_id = 0; |
| 45 | 46 |
int mouse_irq = BIT(mouse_irq_bit); |
| ... | ... | |
| 125 | 126 |
} |
| 126 | 127 |
|
| 127 | 128 |
int (mouse_test_async)(uint8_t idle_time) {
|
| 128 |
/* To be completed */ |
|
| 129 |
printf("%s(%u): under construction\n", __func__, idle_time);
|
|
| 130 |
return 1; |
|
| 129 |
/// loop stuff |
|
| 130 |
int ipc_status, r; |
|
| 131 |
message msg; |
|
| 132 |
/// Timer interrupt handling |
|
| 133 |
const uint32_t frequency = sys_hz(); // Frequency asummed at 60Hz |
|
| 134 |
uint8_t timer_irq_bit = 0; |
|
| 135 |
int timer_id = 0; |
|
| 136 |
int timer_irq = BIT(timer_irq_bit); |
|
| 137 |
if(subscribe_timer_interrupt(timer_irq_bit, &timer_id)) return 1; |
|
| 138 |
|
|
| 139 |
no_interrupts = 0; |
|
| 140 |
int time = 0; |
|
| 141 |
/// Mouse interrupt handling |
|
| 142 |
uint8_t mouse_irq_bit = 12; |
|
| 143 |
int mouse_id = 0; |
|
| 144 |
int mouse_irq = BIT(mouse_irq_bit); |
|
| 145 |
if (subscribe_mouse_interrupt(mouse_irq_bit, &mouse_id)) return 1; |
|
| 146 |
if (mouse_set_data_report(true)) return 1; |
|
| 147 |
/// cycle |
|
| 148 |
int good = 1; |
|
| 149 |
while (good) {
|
|
| 150 |
/* Get a request message. */ |
|
| 151 |
if ((r = driver_receive(ANY, &msg, &ipc_status)) != 0) {
|
|
| 152 |
printf("driver_receive failed with %d", r);
|
|
| 153 |
continue; |
|
| 154 |
} |
|
| 155 |
if (is_ipc_notify(ipc_status)) { /* received notification */
|
|
| 156 |
switch (_ENDPOINT_P(msg.m_source)) {
|
|
| 157 |
case HARDWARE: /* hardware interrupt notification */ |
|
| 158 |
if (msg.m_notify.interrupts & timer_irq) { /* subscribed interrupt */
|
|
| 159 |
timer_int_handler(); |
|
| 160 |
if (no_interrupts%frequency == 0) time++; |
|
| 161 |
if(time >= idle_time) good = 0; |
|
| 162 |
} |
|
| 163 |
if (msg.m_notify.interrupts & mouse_irq) { /// subscribed interrupt
|
|
| 164 |
mouse_ih(); |
|
| 165 |
if(counter >= 3){
|
|
| 166 |
struct packet pp = mouse_parse_packet(packet); |
|
| 167 |
mouse_print_packet(&pp); |
|
| 168 |
time = 0; |
|
| 169 |
no_interrupts = 0; |
|
| 170 |
} |
|
| 171 |
} |
|
| 172 |
break; |
|
| 173 |
default: |
|
| 174 |
break; /* no other notifications expected: do nothing */ |
|
| 175 |
} |
|
| 176 |
} else { /* received standart message, not a notification */
|
|
| 177 |
/* no standart message expected: do nothing */ |
|
| 178 |
} |
|
| 179 |
} |
|
| 180 |
|
|
| 181 |
if (unsubscribe_interrupt(&mouse_id)) return 1; |
|
| 182 |
if (mouse_set_data_report(false)) return 1; |
|
| 183 |
|
|
| 184 |
if (unsubscribe_interrupt(&timer_id)) return 1; |
|
| 185 |
|
|
| 186 |
return 0; |
|
| 131 | 187 |
} |
| 132 | 188 |
|
| 133 | 189 |
int (mouse_test_gesture)(uint8_t x_len, uint8_t tolerance) {
|
Also available in: Unified diff