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Add POC for upper case letters

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This commit is contained in:
Johannes Marbach 2021-09-10 11:49:38 +02:00
parent f3cfb2f1af
commit 8a52da7067
1 changed files with 80 additions and 19 deletions
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99
main-fbkb.c
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@ -131,12 +131,48 @@ lv_img_dsc_t mouse_cursor_icon = {
// Key map (for US lower only)
const int num_scan_codes = 34;
const int scan_codes[] = { \
const int num_scan_codes = 58;
const int scan_codes_lower[] = { \
KEY_Q, KEY_W, KEY_E, KEY_R, KEY_T, KEY_Y, KEY_U, KEY_I, KEY_O, KEY_P, /*"\n",*/ \
KEY_A, KEY_S, KEY_D, KEY_F, KEY_G, KEY_H, KEY_J, KEY_K, KEY_L, /*"\n",*/ \
KEY_LEFTSHIFT, KEY_Z, KEY_X, KEY_C, KEY_V, KEY_B, KEY_N, KEY_M, KEY_BACKSPACE, /*"\n",*/ \
-1, KEY_LEFT, KEY_SPACE, KEY_RIGHT, KEY_DOT, KEY_ENTER/*, ""*/ \
/*-1,*/ KEY_Z, KEY_X, KEY_C, KEY_V, KEY_B, KEY_N, KEY_M, KEY_BACKSPACE, /*"\n",*/ \
/*-1,*/ KEY_LEFT, KEY_SPACE, KEY_RIGHT, KEY_DOT, KEY_ENTER/*, ""*/ \
};
const int num_scan_codes_lower[] = {
1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 1, 1, 1,
0, 1, 1, 1, 1, 1, 1, 1, 1,
0, 1, 1, 1, 1, 1
};
const int idx_scan_codes_lower[] = {
0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
10, 11, 12, 13, 14, 15, 16, 17, 18
-1, 19, 20, 21, 22, 23, 24, 25, 26,
-1, 27, 28, 29, 30, 31
};
const int scan_codes_upper[] = { \
KEY_LEFTSHIFT, KEY_Q, KEY_LEFTSHIFT, KEY_W, KEY_LEFTSHIFT, KEY_E, KEY_LEFTSHIFT, KEY_R, KEY_LEFTSHIFT, KEY_T, KEY_LEFTSHIFT, KEY_Y, KEY_LEFTSHIFT, KEY_U, KEY_LEFTSHIFT, KEY_I, KEY_LEFTSHIFT, KEY_O, KEY_LEFTSHIFT, KEY_P, /*"\n",*/ \
KEY_LEFTSHIFT, KEY_A, KEY_LEFTSHIFT, KEY_S, KEY_LEFTSHIFT, KEY_D, KEY_LEFTSHIFT, KEY_F, KEY_LEFTSHIFT, KEY_G, KEY_LEFTSHIFT, KEY_H, KEY_LEFTSHIFT, KEY_J, KEY_LEFTSHIFT, KEY_K, KEY_LEFTSHIFT, KEY_L, /*"\n",*/ \
/*-1,*/ KEY_LEFTSHIFT, KEY_Z, KEY_LEFTSHIFT, KEY_X, KEY_LEFTSHIFT, KEY_C, KEY_LEFTSHIFT, KEY_V, KEY_LEFTSHIFT, KEY_B, KEY_LEFTSHIFT, KEY_N, KEY_LEFTSHIFT, KEY_M, KEY_BACKSPACE, /*"\n",*/ \
/*-1,*/ KEY_LEFT, KEY_SPACE, KEY_RIGHT, KEY_DOT, KEY_ENTER/*, ""*/ \
};
const int num_scan_codes_upper[] = {
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2,
0, 2, 2, 2, 2, 2, 2, 2, 1,
0, 1, 1, 1, 1, 1
};
const int idx_scan_codes_upper[] = {
0, 2, 4, 6, 8, 10, 12, 14, 16, 18,
20, 22, 24, 26, 28, 30, 32, 34, 36
-1, 38, 40, 42, 44, 46, 48, 50, 52,
-1, 53, 54, 55, 56, 57
};
// Global variables
@ -180,22 +216,47 @@ void keyboard_event_value_changed_cb(lv_event_t * e) {
uint16_t btn_id = lv_btnmatrix_get_selected_btn(obj);
if(btn_id == LV_BTNMATRIX_BTN_NONE) return;
int scan_code = scan_codes[btn_id];
// int scan_code = scan_codes[btn_id];
//printf("%d\n", scan_code);
int modifiers[4];
int num_modifiers = 0;
struct input_event ie;
ie.type = EV_KEY;
ie.code = scan_code;
ie.value = 1;
if (write(fduinput, &ie, sizeof(ie)) != sizeof(ie))
fprintf(stderr, "error: sending uinput event\n");
ie.value = 0;
if (write(fduinput, &ie, sizeof(ie)) != sizeof(ie))
fprintf(stderr, "error: sending uinput event\n");
ie.type = EV_SYN;
ie.code = SYN_REPORT;
if (write(fduinput, &ie, sizeof(ie)) != sizeof(ie))
fprintf(stderr, "error: sending uinput event\n");
for (int i = 0; i < num_scan_codes_upper[btn_id]; ++i) {
int code = scan_codes_upper[idx_scan_codes_upper[btn_id] + i];
bool is_modifier = code == KEY_LEFTSHIFT;
// Key down
ie.type = EV_KEY;
ie.code = code;
ie.value = 1;
if (write(fduinput, &ie, sizeof(ie)) != sizeof(ie))
fprintf(stderr, "error: sending uinput event\n");
// Key up (non mods)
if (!is_modifier) {
ie.value = 0;
if (write(fduinput, &ie, sizeof(ie)) != sizeof(ie))
fprintf(stderr, "error: sending uinput event\n");
} else {
modifiers[num_modifiers] = code;
num_modifiers++;
}
}
for (int i = num_modifiers - 1; i > 0; --i) {
// Key up (mods)
ie.type = EV_KEY;
ie.code = modifiers[i];
ie.value = 0;
if (write(fduinput, &ie, sizeof(ie)) != sizeof(ie))
fprintf(stderr, "error: sending uinput event\n");
}
ie.type = EV_SYN;
ie.code = SYN_REPORT;
if (write(fduinput, &ie, sizeof(ie)) != sizeof(ie))
fprintf(stderr, "error: sending uinput event\n");
/*const char * txt = lv_btnmatrix_get_btn_text(obj, lv_btnmatrix_get_selected_btn(obj));
if(txt == NULL) return;
@ -296,8 +357,8 @@ int main(void)
exit(-1);
}
for (int i = 0; i < num_scan_codes; ++i) {
if (scan_codes[i] > -1) {
ioctl(fduinput, UI_SET_KEYBIT, scan_codes[i]);
if (scan_codes_upper[i] > -1) {
ioctl(fduinput, UI_SET_KEYBIT, scan_codes_upper[i]);
}
}
struct uinput_user_dev uidev;