| 1 | /* |
| 2 | * GINGE - GINGE Is Not Gp2x Emulator |
| 3 | * (C) notaz, 2010-2011,2015 |
| 4 | * |
| 5 | * This work is licensed under the MAME license, see COPYING file for details. |
| 6 | */ |
| 7 | #define _GNU_SOURCE 1 // for plat.c |
| 8 | #include <stdio.h> |
| 9 | #include <stdlib.h> |
| 10 | #include <stdarg.h> |
| 11 | #include <errno.h> |
| 12 | #include <sys/types.h> |
| 13 | #include <sys/stat.h> |
| 14 | #include <fcntl.h> |
| 15 | #include <unistd.h> |
| 16 | #include <linux/input.h> |
| 17 | |
| 18 | #include "../common/libpicofe/input.h" |
| 19 | #include "../common/libpicofe/linux/in_evdev.h" |
| 20 | #include "../common/host_fb.h" |
| 21 | |
| 22 | #include "header.h" |
| 23 | #include "realfuncs.h" |
| 24 | |
| 25 | // must be affected by realfuncs.h |
| 26 | #include "../common/libpicofe/input.c" |
| 27 | #include "../common/libpicofe/linux/plat.c" |
| 28 | #include "../common/libpicofe/linux/in_evdev.c" |
| 29 | |
| 30 | #ifdef PND |
| 31 | #include "host_pnd.c" |
| 32 | #elif defined(WIZ) |
| 33 | #include "host_wiz.c" |
| 34 | #endif |
| 35 | |
| 36 | char **g_argv; |
| 37 | static int ts_fd = -1; |
| 38 | |
| 39 | /* touscreen. Could just use tsblib, but it's LGPL... */ |
| 40 | static int tsc[7]; |
| 41 | |
| 42 | static int host_ts_init(void) |
| 43 | { |
| 44 | static const char name_def[] = "/dev/input/touchscreen0"; |
| 45 | const char *name; |
| 46 | FILE *f; |
| 47 | int ret; |
| 48 | |
| 49 | f = fopen("/etc/pointercal", "r"); |
| 50 | if (f == NULL) { |
| 51 | perror("fopen pointercal"); |
| 52 | return -1; |
| 53 | } |
| 54 | ret = fscanf(f, "%d %d %d %d %d %d %d", &tsc[0], &tsc[1], |
| 55 | &tsc[2], &tsc[3], &tsc[4], &tsc[5], &tsc[6]); |
| 56 | fclose(f); |
| 57 | if (ret != 7) { |
| 58 | fprintf(stderr, "could not parse pointercal\n"); |
| 59 | return -1; |
| 60 | } |
| 61 | |
| 62 | name = getenv("TSLIB_TSDEVICE"); |
| 63 | if (name == NULL) |
| 64 | name = name_def; |
| 65 | ts_fd = open(name, O_RDONLY | O_NONBLOCK); |
| 66 | if (ts_fd == -1) { |
| 67 | fprintf(stderr, "open %s", name); |
| 68 | perror(""); |
| 69 | return -1; |
| 70 | } |
| 71 | return 0; |
| 72 | } |
| 73 | |
| 74 | // returns ranges 0-1023 |
| 75 | int host_read_ts(int *pressure, int *x1024, int *y1024) |
| 76 | { |
| 77 | static int raw_x, raw_y, raw_p; |
| 78 | struct input_event ev; |
| 79 | ssize_t ret; |
| 80 | |
| 81 | if (ts_fd == -1) |
| 82 | return -1; |
| 83 | |
| 84 | for (;;) { |
| 85 | errno = 0; |
| 86 | ret = read(ts_fd, &ev, sizeof(ev)); |
| 87 | if (ret != sizeof(ev)) { |
| 88 | if (errno == EAGAIN) |
| 89 | break; |
| 90 | perror("ts read"); |
| 91 | return -1; |
| 92 | } |
| 93 | if (ev.type == EV_ABS) { |
| 94 | switch (ev.code) { |
| 95 | case ABS_X: raw_x = ev.value; break; |
| 96 | case ABS_Y: raw_y = ev.value; break; |
| 97 | case ABS_PRESSURE: raw_p = ev.value; break; |
| 98 | } |
| 99 | } |
| 100 | } |
| 101 | |
| 102 | *pressure = raw_p; |
| 103 | *x1024 = (tsc[0] * raw_x + tsc[1] * raw_y + tsc[2]) / tsc[6]; |
| 104 | *y1024 = (tsc[3] * raw_x + tsc[4] * raw_y + tsc[5]) / tsc[6]; |
| 105 | |
| 106 | host_video_normalize_ts(x1024, y1024); |
| 107 | |
| 108 | return 0; |
| 109 | } |
| 110 | |
| 111 | int host_init(void) |
| 112 | { |
| 113 | in_init(); |
| 114 | host_init_input(); |
| 115 | in_probe(); |
| 116 | host_ts_init(); |
| 117 | |
| 118 | return 0; |
| 119 | } |
| 120 | |
| 121 | int host_read_btns(void) |
| 122 | { |
| 123 | int actions[IN_BINDTYPE_COUNT] = { 0, }; |
| 124 | |
| 125 | in_update(actions); |
| 126 | host_actions(actions); |
| 127 | |
| 128 | return actions[IN_BINDTYPE_PLAYER12]; |
| 129 | } |
| 130 | |
| 131 | void host_forced_exit(int status) |
| 132 | { |
| 133 | // exit() might not be enough because loader and app data is out of sync, |
| 134 | // and other threads (which are really processes on this old glibc used) |
| 135 | // might not exit properly. |
| 136 | char cmd[64]; |
| 137 | |
| 138 | printf("forced exit...\n"); |
| 139 | |
| 140 | if (g_argv != NULL) { |
| 141 | snprintf(cmd, sizeof(cmd), "killall %s", g_argv[0]); |
| 142 | system(cmd); |
| 143 | usleep(300000); |
| 144 | snprintf(cmd, sizeof(cmd), "killall -9 %s", g_argv[0]); |
| 145 | system(cmd); |
| 146 | } |
| 147 | exit(status); |
| 148 | } |
| 149 | |
| 150 | // vim:shiftwidth=2:expandtab |