#include <linux/input.h>
#include <errno.h>
+#include "../common/common.h"
#include "../common/input.h"
-#include "event.h"
+#include "in_evdev.h"
-#define BIT(x) (keybits[(x)/sizeof(keybits[0])/8] & \
+#define KEYBITS_BIT(x) (keybits[(x)/sizeof(keybits[0])/8] & \
(1 << ((x) & (sizeof(keybits[0])*8-1))))
-int in_evdev_probe(void)
+static const char * const in_evdev_prefix = "evdev:";
+static const char * const in_evdev_keys[KEY_MAX + 1] = {
+ [0 ... KEY_MAX] = NULL,
+ [KEY_RESERVED] = "Reserved", [KEY_ESC] = "Esc",
+ [KEY_1] = "1", [KEY_2] = "2",
+ [KEY_3] = "3", [KEY_4] = "4",
+ [KEY_5] = "5", [KEY_6] = "6",
+ [KEY_7] = "7", [KEY_8] = "8",
+ [KEY_9] = "9", [KEY_0] = "0",
+ [KEY_MINUS] = "Minus", [KEY_EQUAL] = "Equal",
+ [KEY_BACKSPACE] = "Backspace", [KEY_TAB] = "Tab",
+ [KEY_Q] = "Q", [KEY_W] = "W",
+ [KEY_E] = "E", [KEY_R] = "R",
+ [KEY_T] = "T", [KEY_Y] = "Y",
+ [KEY_U] = "U", [KEY_I] = "I",
+ [KEY_O] = "O", [KEY_P] = "P",
+ [KEY_LEFTBRACE] = "LeftBrace", [KEY_RIGHTBRACE] = "RightBrace",
+ [KEY_ENTER] = "Enter", [KEY_LEFTCTRL] = "LeftControl",
+ [KEY_A] = "A", [KEY_S] = "S",
+ [KEY_D] = "D", [KEY_F] = "F",
+ [KEY_G] = "G", [KEY_H] = "H",
+ [KEY_J] = "J", [KEY_K] = "K",
+ [KEY_L] = "L", [KEY_SEMICOLON] = "Semicolon",
+ [KEY_APOSTROPHE] = "Apostrophe", [KEY_GRAVE] = "Grave",
+ [KEY_LEFTSHIFT] = "LeftShift", [KEY_BACKSLASH] = "BackSlash",
+ [KEY_Z] = "Z", [KEY_X] = "X",
+ [KEY_C] = "C", [KEY_V] = "V",
+ [KEY_B] = "B", [KEY_N] = "N",
+ [KEY_M] = "M", [KEY_COMMA] = "Comma",
+ [KEY_DOT] = "Dot", [KEY_SLASH] = "Slash",
+ [KEY_RIGHTSHIFT] = "RightShift", [KEY_KPASTERISK] = "KPAsterisk",
+ [KEY_LEFTALT] = "LeftAlt", [KEY_SPACE] = "Space",
+ [KEY_CAPSLOCK] = "CapsLock", [KEY_F1] = "F1",
+ [KEY_F2] = "F2", [KEY_F3] = "F3",
+ [KEY_F4] = "F4", [KEY_F5] = "F5",
+ [KEY_F6] = "F6", [KEY_F7] = "F7",
+ [KEY_F8] = "F8", [KEY_F9] = "F9",
+ [KEY_F10] = "F10", [KEY_NUMLOCK] = "NumLock",
+ [KEY_SCROLLLOCK] = "ScrollLock", [KEY_KP7] = "KP7",
+ [KEY_KP8] = "KP8", [KEY_KP9] = "KP9",
+ [KEY_KPMINUS] = "KPMinus", [KEY_KP4] = "KP4",
+ [KEY_KP5] = "KP5", [KEY_KP6] = "KP6",
+ [KEY_KPPLUS] = "KPPlus", [KEY_KP1] = "KP1",
+ [KEY_KP2] = "KP2", [KEY_KP3] = "KP3",
+ [KEY_KP0] = "KP0", [KEY_KPDOT] = "KPDot",
+ [KEY_ZENKAKUHANKAKU] = "Zenkaku/Hankaku", [KEY_102ND] = "102nd",
+ [KEY_F11] = "F11", [KEY_F12] = "F12",
+ [KEY_KPJPCOMMA] = "KPJpComma", [KEY_KPENTER] = "KPEnter",
+ [KEY_RIGHTCTRL] = "RightCtrl", [KEY_KPSLASH] = "KPSlash",
+ [KEY_SYSRQ] = "SysRq", [KEY_RIGHTALT] = "RightAlt",
+ [KEY_LINEFEED] = "LineFeed", [KEY_HOME] = "Home",
+ [KEY_UP] = "Up", [KEY_PAGEUP] = "PageUp",
+ [KEY_LEFT] = "Left", [KEY_RIGHT] = "Right",
+ [KEY_END] = "End", [KEY_DOWN] = "Down",
+ [KEY_PAGEDOWN] = "PageDown", [KEY_INSERT] = "Insert",
+ [KEY_DELETE] = "Delete", [KEY_MACRO] = "Macro",
+ [KEY_HELP] = "Help", [KEY_MENU] = "Menu",
+ [KEY_COFFEE] = "Coffee", [KEY_DIRECTION] = "Direction",
+ [BTN_0] = "Btn0", [BTN_1] = "Btn1",
+ [BTN_2] = "Btn2", [BTN_3] = "Btn3",
+ [BTN_4] = "Btn4", [BTN_5] = "Btn5",
+ [BTN_6] = "Btn6", [BTN_7] = "Btn7",
+ [BTN_8] = "Btn8", [BTN_9] = "Btn9",
+ [BTN_LEFT] = "LeftBtn", [BTN_RIGHT] = "RightBtn",
+ [BTN_MIDDLE] = "MiddleBtn", [BTN_SIDE] = "SideBtn",
+ [BTN_EXTRA] = "ExtraBtn", [BTN_FORWARD] = "ForwardBtn",
+ [BTN_BACK] = "BackBtn", [BTN_TASK] = "TaskBtn",
+ [BTN_TRIGGER] = "Trigger", [BTN_THUMB] = "ThumbBtn",
+ [BTN_THUMB2] = "ThumbBtn2", [BTN_TOP] = "TopBtn",
+ [BTN_TOP2] = "TopBtn2", [BTN_PINKIE] = "PinkieBtn",
+ [BTN_BASE] = "BaseBtn", [BTN_BASE2] = "BaseBtn2",
+ [BTN_BASE3] = "BaseBtn3", [BTN_BASE4] = "BaseBtn4",
+ [BTN_BASE5] = "BaseBtn5", [BTN_BASE6] = "BaseBtn6",
+ [BTN_DEAD] = "BtnDead", [BTN_A] = "BtnA",
+ [BTN_B] = "BtnB", [BTN_C] = "BtnC",
+ [BTN_X] = "BtnX", [BTN_Y] = "BtnY",
+ [BTN_Z] = "BtnZ", [BTN_TL] = "BtnTL",
+ [BTN_TR] = "BtnTR", [BTN_TL2] = "BtnTL2",
+ [BTN_TR2] = "BtnTR2", [BTN_SELECT] = "BtnSelect",
+ [BTN_START] = "BtnStart", [BTN_MODE] = "BtnMode",
+ [BTN_THUMBL] = "BtnThumbL", [BTN_THUMBR] = "BtnThumbR",
+ [BTN_TOUCH] = "Touch", [BTN_STYLUS] = "Stylus",
+ [BTN_STYLUS2] = "Stylus2", [BTN_TOOL_DOUBLETAP] = "Tool Doubletap",
+ [BTN_TOOL_TRIPLETAP] = "Tool Tripletap", [BTN_GEAR_DOWN] = "WheelBtn",
+ [BTN_GEAR_UP] = "Gear up", [KEY_OK] = "Ok",
+};
+
+
+static void in_evdev_probe(void)
{
int i;
for (i = 0;; i++)
{
- int u, ret, fd, keybits[KEY_MAX/sizeof(int)];
+ int u, ret, fd, keybits[(KEY_MAX+1)/sizeof(int)];
int support = 0, count = 0;
char name[64];
}
/* check for interesting keys */
- for (u = 0; u < KEY_MAX; u++) {
- if (BIT(u) && u != KEY_POWER && u != KEY_SLEEP)
+ for (u = 0; u < KEY_MAX + 1; u++) {
+ if (KEYBITS_BIT(u) && u != KEY_POWER && u != KEY_SLEEP)
count++;
}
if (count == 0)
goto skip;
- strcpy(name, "evdev:");
+ strcpy(name, in_evdev_prefix);
ioctl(fd, EVIOCGNAME(sizeof(name)-6), name+6);
printf("in_evdev: found \"%s\" with %d events (type %08x)\n",
name+6, count, support);
skip:
close(fd);
}
-
- return 0;
}
-void in_evdev_free(void *drv_data)
+static void in_evdev_free(void *drv_data)
{
close((int)drv_data);
}
-int in_evdev_bind_count(void)
+static int in_evdev_get_bind_count(void)
{
- return 512;
+ return KEY_MAX + 1;
}
+/* returns bitfield of active binds or -1 if nothing
+ * changed from previous time */
int in_evdev_update(void *drv_data, int *binds)
{
struct input_event ev[16];
- int keybits[KEY_MAX/sizeof(int)];
+ int keybits[(KEY_MAX+1)/sizeof(int)];
int fd = (int)drv_data;
int result = 0, changed = 0;
int rd, ret, u;
changed = 1;
}
-/*
if (!changed)
- return 0;
-*/
+ return -1;
+
ret = ioctl(fd, EVIOCGKEY(sizeof(keybits)), keybits);
if (ret == -1) {
perror("in_evdev: ioctl failed");
return 0;
}
- printf("#%d: ", fd);
- for (u = 0; u < KEY_MAX; u++) {
- if (BIT(u)) {
- printf(" %d", u);
+ for (u = 0; u < KEY_MAX + 1; u++) {
+ if (KEYBITS_BIT(u)) {
result |= binds[u];
}
}
- printf("\n");
return result;
}
+static void in_evdev_set_blocking(void *data, int y)
+{
+ long flags;
+ int ret;
+
+ flags = (long)fcntl((int)data, F_GETFL);
+ if ((int)flags == -1) {
+ perror("in_evdev: F_GETFL fcntl failed");
+ return;
+ }
+ if (y)
+ flags &= ~O_NONBLOCK;
+ else
+ flags |= O_NONBLOCK;
+ ret = fcntl((int)data, F_SETFL, flags);
+ if (ret == -1)
+ perror("in_evdev: F_SETFL fcntl failed");
+}
+
+int in_evdev_update_keycode(void **data, int dcount, int *which, int *is_down, int timeout_ms)
+{
+ const int *fds = (const int *)data;
+ struct timeval tv, *timeout = NULL;
+ int i, fdmax = -1;
+
+ if (timeout_ms > 0) {
+ tv.tv_sec = timeout_ms / 1000;
+ tv.tv_usec = (timeout_ms % 1000) * 1000;
+ timeout = &tv;
+ }
+
+ if (is_down != NULL)
+ *is_down = 0;
+
+ for (i = 0; i < dcount; i++)
+ if (fds[i] > fdmax) fdmax = fds[i];
+
+ while (1)
+ {
+ struct input_event ev[64];
+ int ret, fd = -1, rd;
+ fd_set fdset;
+
+ FD_ZERO(&fdset);
+ for (i = 0; i < dcount; i++)
+ FD_SET(fds[i], &fdset);
+
+ ret = select(fdmax + 1, &fdset, NULL, NULL, timeout);
+ if (ret == -1)
+ {
+ perror("in_evdev: select failed");
+ sleep(1);
+ return 0;
+ }
+
+ if (ret == 0)
+ return 0; /* timeout */
+
+ for (i = 0; i < dcount; i++)
+ if (FD_ISSET(fds[i], &fdset))
+ *which = i, fd = fds[i];
+
+ rd = read(fd, ev, sizeof(ev[0]) * 64);
+ if (rd < (int) sizeof(ev[0])) {
+ perror("in_evdev: error reading");
+ sleep(1);
+ return 0;
+ }
+
+ for (i = 0; i < rd / sizeof(ev[0]); i++)
+ {
+ if (ev[i].type != EV_KEY || ev[i].value < 0 || ev[i].value > 1)
+ continue;
+
+ if (is_down != NULL)
+ *is_down = ev[i].value;
+ return ev[i].code;
+ }
+ }
+}
+
+static int in_evdev_menu_translate(int keycode)
+{
+ switch (keycode) {
+ /* keyboards */
+ case KEY_UP: return PBTN_UP;
+ case KEY_DOWN: return PBTN_DOWN;
+ case KEY_LEFT: return PBTN_LEFT;
+ case KEY_RIGHT: return PBTN_RIGHT;
+ case KEY_ENTER: return PBTN_EAST;
+ case KEY_ESC: return PBTN_SOUTH;
+ default: return 0;
+ }
+}
+
+static int in_evdev_get_key_code(const char *key_name)
+{
+ int i;
+
+ for (i = 0; i < KEY_MAX + 1; i++) {
+ const char *k = in_evdev_keys[i];
+ if (k != NULL && k[0] == key_name[0] &&
+ strcasecmp(k, key_name) == 0)
+ return i;
+ }
+
+ return -1;
+}
+
+static const char *in_evdev_get_key_name(int keycode)
+{
+ const char *name = NULL;
+ if (keycode >= 0 && keycode <= KEY_MAX)
+ name = in_evdev_keys[keycode];
+ if (name == NULL)
+ name = "Unkn";
+
+ return name;
+}
+
+static const struct {
+ short code;
+ short bit;
+} in_evdev_def_binds[] =
+{
+ /* MXYZ SACB RLDU */
+ { KEY_UP, 0 },
+ { KEY_DOWN, 1 },
+ { KEY_LEFT, 2 },
+ { KEY_RIGHT, 3 },
+ { KEY_S, 4 }, /* B */
+ { KEY_D, 5 }, /* C */
+ { KEY_A, 6 }, /* A */
+ { KEY_ENTER, 7 },
+};
+
+#define DEF_BIND_COUNT (sizeof(in_evdev_def_binds) / sizeof(in_evdev_def_binds[0]))
+
+static void in_evdev_get_def_binds(int *binds)
+{
+ int i;
+
+ for (i = 0; i < DEF_BIND_COUNT; i++)
+ binds[in_evdev_def_binds[i].code] = 1 << in_evdev_def_binds[i].bit;
+}
+
+/* remove bad binds, count good ones */
+static int in_evdev_clean_binds(void *drv_data, int *binds)
+{
+ int keybits[(KEY_MAX+1)/sizeof(int)];
+ int i, ret, count = 0;
+
+ ret = ioctl((int)drv_data, EVIOCGBIT(EV_KEY, sizeof(keybits)), keybits);
+ if (ret == -1) {
+ perror("in_evdev: ioctl failed");
+ memset(keybits, 0xff, sizeof(keybits)); /* mark all as good */
+ }
+
+ for (i = 0; i < KEY_MAX + 1; i++) {
+ if (!KEYBITS_BIT(i))
+ binds[i] = binds[i + KEY_MAX + 1] = 0;
+ if (binds[i])
+ count++;
+ }
+
+ return count;
+}
+
+void in_evdev_init(void *vdrv)
+{
+ in_drv_t *drv = vdrv;
+
+ drv->prefix = in_evdev_prefix;
+ drv->probe = in_evdev_probe;
+ drv->free = in_evdev_free;
+ drv->get_bind_count = in_evdev_get_bind_count;
+ drv->get_def_binds = in_evdev_get_def_binds;
+ drv->clean_binds = in_evdev_clean_binds;
+ drv->set_blocking = in_evdev_set_blocking;
+ drv->menu_translate = in_evdev_menu_translate;
+ drv->get_key_code = in_evdev_get_key_code;
+ drv->get_key_name = in_evdev_get_key_name;
+}
+