+/*
+ * (C) notaz, 2011
+ *
+ * This work is licensed under the terms of the GNU GPLv2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include <unistd.h>
+#include <linux/input.h>
+#include <errno.h>
+
+#include "common/input.h"
+#include "plugin_lib.h"
+
+static int fdnub[2];
+static int analog_init_done;
+
+static const char * const pandora_gpio_keys[KEY_MAX + 1] = {
+ [0 ... KEY_MAX] = NULL,
+ [KEY_UP] = "Up",
+ [KEY_LEFT] = "Left",
+ [KEY_RIGHT] = "Right",
+ [KEY_DOWN] = "Down",
+ [KEY_HOME] = "A",
+ [KEY_PAGEDOWN] = "X",
+ [KEY_END] = "B",
+ [KEY_PAGEUP] = "Y",
+ [KEY_RIGHTSHIFT]= "L",
+ [KEY_RIGHTCTRL] = "R",
+ [KEY_LEFTALT] = "Start",
+ [KEY_LEFTCTRL] = "Select",
+ [KEY_MENU] = "Pandora",
+};
+
+struct in_default_bind in_evdev_defbinds[] = {
+ { KEY_UP, IN_BINDTYPE_PLAYER12, DKEY_UP },
+ { KEY_DOWN, IN_BINDTYPE_PLAYER12, DKEY_DOWN },
+ { KEY_LEFT, IN_BINDTYPE_PLAYER12, DKEY_LEFT },
+ { KEY_RIGHT, IN_BINDTYPE_PLAYER12, DKEY_RIGHT },
+ { KEY_SPACE, IN_BINDTYPE_EMU, PEVB_MENU },
+ { KEY_PAGEUP, IN_BINDTYPE_PLAYER12, DKEY_TRIANGLE },
+ { KEY_PAGEDOWN, IN_BINDTYPE_PLAYER12, DKEY_CROSS },
+ { KEY_END, IN_BINDTYPE_PLAYER12, DKEY_CIRCLE },
+ { KEY_HOME, IN_BINDTYPE_PLAYER12, DKEY_SQUARE },
+ { KEY_LEFTALT, IN_BINDTYPE_PLAYER12, DKEY_START },
+ { KEY_LEFTCTRL, IN_BINDTYPE_PLAYER12, DKEY_SELECT },
+ { KEY_RIGHTSHIFT,IN_BINDTYPE_PLAYER12, DKEY_L1 },
+ { KEY_RIGHTCTRL, IN_BINDTYPE_PLAYER12, DKEY_R1 },
+ { KEY_Q, IN_BINDTYPE_PLAYER12, DKEY_L2 },
+ { KEY_P, IN_BINDTYPE_PLAYER12, DKEY_R2 },
+ { 0, 0, 0 }
+};
+
+static void analog_init(void)
+{
+ int i, nub;
+
+ fdnub[0] = fdnub[1] = -1;
+
+ for (i = nub = 0; nub < 2; i++)
+ {
+ long absbits[(ABS_MAX+1) / sizeof(long) / 8];
+ int ret, fd, support = 0;
+ char name[64];
+
+ snprintf(name, sizeof(name), "/dev/input/event%d", i);
+ fd = open(name, O_RDONLY|O_NONBLOCK);
+ if (fd == -1) {
+ if (errno == EACCES)
+ continue; /* maybe we can access next one */
+ break;
+ }
+
+ /* check supported events */
+ ret = ioctl(fd, EVIOCGBIT(0, sizeof(support)), &support);
+ if (ret == -1) {
+ printf("pandora: ioctl failed on %s\n", name);
+ goto skip;
+ }
+
+ if (!(support & (1 << EV_ABS)))
+ goto skip;
+
+ ret = ioctl(fd, EVIOCGNAME(sizeof(name)), name);
+ if (ret == -1 || strncmp(name, "nub", 3) != 0)
+ goto skip;
+
+ ret = ioctl(fd, EVIOCGBIT(EV_ABS, sizeof(absbits)), absbits);
+ if (ret == -1)
+ goto skip;
+ if ((absbits[0] & ((1 << ABS_X)|(1 << ABS_Y))) != ((1 << ABS_X)|(1 << ABS_Y)))
+ goto skip;
+
+ printf("pandora: found analog #%d \"%s\"\n", nub, name);
+ fdnub[nub++] = fd;
+ continue;
+
+skip:
+ close(fd);
+ }
+
+ if (nub != 2)
+ printf("pandora: warning: not all nubs found: %d\n", nub);
+
+ analog_init_done = 1;
+}
+
+void in_update_analogs(void)
+{
+ int *nubp[2] = { in_a1, in_a2 };
+ struct input_absinfo ainfo;
+ int i, fd, v, ret;
+
+ if (!analog_init_done)
+ analog_init();
+
+ for (i = 0; i < 2; i++) {
+ fd = fdnub[i];
+ if (fd < 0)
+ continue;
+
+ ret = ioctl(fd, EVIOCGABS(ABS_X), &ainfo);
+ if (ret == -1) {
+ perror("ioctl");
+ continue;
+ }
+ v = ainfo.value / 2 + 127;
+ nubp[i][0] = v < 0 ? 0 : v;
+
+ ret = ioctl(fd, EVIOCGABS(ABS_Y), &ainfo);
+ if (ret == -1) {
+ perror("ioctl");
+ continue;
+ }
+ v = ainfo.value / 2 + 127;
+ nubp[i][1] = v < 0 ? 0 : v;
+ }
+ //printf("%4d %4d %4d %4d\n", in_a1[0], in_a1[1], in_a2[0], in_a2[1]);
+}
+
+int pandora_init(void)
+{
+ in_set_config(in_name_to_id("evdev:gpio-keys"), IN_CFG_KEY_NAMES,
+ pandora_gpio_keys, sizeof(pandora_gpio_keys));
+
+ return 0;
+}
notaz.gp2x.de / pcsx_rearmed.git / commitdiff