Revision 79
fully implemented state_machine & gesture
| state_machine.c | ||
|---|---|---|
| 4 | 4 |
#include "mouse_macros.h" |
| 5 | 5 |
#include "mouse.h" |
| 6 | 6 |
#include "errors.h" |
| 7 |
#include "utils.h" |
|
| 7 | 8 |
|
| 8 | 9 |
struct mouse_ev* mouse_get_event(struct packet *pp) {
|
| 9 | 10 |
|
| ... | ... | |
| 18 | 19 |
uint8_t lb_press = pp->bytes[0] & LEFT_BUTTON; |
| 19 | 20 |
uint8_t rb_press = pp->bytes[0] & RIGHT_BUTTON; |
| 20 | 21 |
uint8_t mb_press = pp->bytes[0] & MIDDLE_BUTTON; |
| 21 |
int16_t delta_x = sign_extend_byte(pp->bytes[0] & MSB_X_DELTA, pp->bytes[1]);
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|
| 22 |
int16_t delta_y = sign_extend_byte(pp->bytes[0] & MSB_Y_DELTA, pp->bytes[2]);
|
|
| 22 |
int16_t delta_x = pp->delta_x;
|
|
| 23 |
int16_t delta_y = pp->delta_y;
|
|
| 23 | 24 |
|
| 24 | 25 |
if (aux) { // first event detected
|
| 25 | 26 |
if (lb_press && (rb_press | mb_press) == 0 && delta_x == 0 && delta_y == 0) |
| ... | ... | |
| 70 | 71 |
|
| 71 | 72 |
if (event == NULL) |
| 72 | 73 |
return response; |
| 73 |
|
|
| 74 | 74 |
switch (state) {
|
| 75 | 75 |
case INITIAL: |
| 76 | 76 |
if (event->type == LB_PRESSED) |
| ... | ... | |
| 138 | 138 |
state = INITIAL; |
| 139 | 139 |
break; |
| 140 | 140 |
} |
| 141 |
|
|
| 142 | 141 |
int slope = y_length / x_length; |
| 143 | 142 |
|
| 144 | 143 |
if (slope >= -1 || x_length < x_len) {
|
| ... | ... | |
| 149 | 148 |
} |
| 150 | 149 |
|
| 151 | 150 |
state = FINAL; |
| 151 |
response = SUCCESS; |
|
| 152 | 152 |
x_length = 0; |
| 153 | 153 |
y_length = 0; |
| 154 | 154 |
} else {
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