diff options
Diffstat (limited to 'hw/dmx/input/usb-common.c')
-rw-r--r-- | hw/dmx/input/usb-common.c | 331 |
1 files changed, 221 insertions, 110 deletions
diff --git a/hw/dmx/input/usb-common.c b/hw/dmx/input/usb-common.c index 944033eba..c7c166cce 100644 --- a/hw/dmx/input/usb-common.c +++ b/hw/dmx/input/usb-common.c @@ -74,7 +74,6 @@ /* End of interface definitions. */ /*****************************************************************************/ - /** Read an event from the \a pDev device. If the event is a motion * event, enqueue it with the \a motion function. Otherwise, enqueue * the event with the \a enqueue function. The \a block type is passed @@ -84,16 +83,14 @@ * Since USB devices return EV_KEY events for buttons and keys, \a * minButton is used to decide if a Button or Key event should be * queued.*/ -void usbRead(DevicePtr pDev, - MOTIONPROC motion, - ENQUEUEPROC enqueue, - int minButton, - BLOCK block) +void +usbRead(DevicePtr pDev, + MOTIONPROC motion, ENQUEUEPROC enqueue, int minButton, BLOCK block) { GETPRIV; struct input_event raw; - int v[DMX_MAX_AXES]; - int axis; + int v[DMX_MAX_AXES]; + int axis; #define PRESS(b) \ do { \ @@ -112,11 +109,14 @@ void usbRead(DevicePtr pDev, #endif switch (raw.type) { case EV_KEY: - /* raw.value = 1 for first, 2 for repeat */ + /* raw.value = 1 for first, 2 for repeat */ if (raw.code > minButton) { - if (raw.value) PRESS((raw.code & 0x0f) + 1); - else RELEASE((raw.code & 0x0f) + 1); - } else { + if (raw.value) + PRESS((raw.code & 0x0f) + 1); + else + RELEASE((raw.code & 0x0f) + 1); + } + else { enqueue(pDev, raw.value ? KeyPress : KeyRelease, 0, 0, NULL, block); } @@ -134,10 +134,11 @@ void usbRead(DevicePtr pDev, motion(pDev, v, 0, 2, DMX_RELATIVE, block); break; case REL_WHEEL: - if ((int)raw.value > 0) { + if ((int) raw.value > 0) { PRESS(4); RELEASE(4); - } else if ((int)raw.value < 0) { + } + else if ((int) raw.value < 0) { PRESS(5); RELEASE(5); } @@ -162,126 +163,228 @@ void usbRead(DevicePtr pDev, #define test_bit(bit) (priv->mask[(bit)/8] & (1 << ((bit)%8))) #define test_bits(bit) (bits[(bit)/8] & (1 << ((bit)%8))) -static void usbPrint(myPrivate *priv, - const char *filename, const char *devname, int fd) +static void +usbPrint(myPrivate * priv, const char *filename, const char *devname, int fd) { - int j, k; - DeviceIntPtr pDevice = priv->pDevice; - unsigned char bits[KEY_MAX/8 + 1]; /* RATS: Use ok assuming that - * KEY_MAX is greater than - * REL_MAX, ABS_MAX, SND_MAX, and - * LED_MAX. */ + int j, k; + DeviceIntPtr pDevice = priv->pDevice; + unsigned char bits[KEY_MAX / 8 + 1]; /* RATS: Use ok assuming that + * KEY_MAX is greater than + * REL_MAX, ABS_MAX, SND_MAX, and + * LED_MAX. */ LOG3INPUT(priv, "%s (%s) using %s\n", pDevice->name, GETNAME, filename); LOG1INPUT(priv, " %s\n", devname); for (j = 0; j < EV_MAX; j++) { if (test_bit(j)) { - const char *type = "unknown"; - char extra[256]; /* FIXME: may cause buffer overflow */ + const char *type = "unknown"; + char extra[256]; /* FIXME: may cause buffer overflow */ + extra[0] = '\0'; - switch(j) { - case EV_KEY: type = "keys/buttons"; break; - case EV_REL: type = "relative"; + switch (j) { + case EV_KEY: + type = "keys/buttons"; + break; + case EV_REL: + type = "relative"; memset(bits, 0, sizeof(bits)); ioctl(priv->fd, EVIOCGBIT(EV_REL, sizeof(bits)), bits); for (k = 0; k < REL_MAX; k++) { - if (test_bits(k)) switch (k) { - case REL_X: strcat(extra, " X"); break; - case REL_Y: strcat(extra, " Y"); break; - case REL_Z: strcat(extra, " Z"); break; - case REL_HWHEEL: strcat(extra, " HWheel"); break; - case REL_DIAL: strcat(extra, " Dial"); break; - case REL_WHEEL: strcat(extra, " Wheel"); break; - case REL_MISC: strcat(extra, " Misc"); break; - } + if (test_bits(k)) + switch (k) { + case REL_X: + strcat(extra, " X"); + break; + case REL_Y: + strcat(extra, " Y"); + break; + case REL_Z: + strcat(extra, " Z"); + break; + case REL_HWHEEL: + strcat(extra, " HWheel"); + break; + case REL_DIAL: + strcat(extra, " Dial"); + break; + case REL_WHEEL: + strcat(extra, " Wheel"); + break; + case REL_MISC: + strcat(extra, " Misc"); + break; + } } break; - case EV_ABS: type = "absolute"; + case EV_ABS: + type = "absolute"; memset(bits, 0, sizeof(bits)); ioctl(priv->fd, EVIOCGBIT(EV_ABS, sizeof(bits)), bits); for (k = 0; k < ABS_MAX; k++) { - if (test_bits(k)) switch (k) { - case ABS_X: strcat(extra," X"); break; - case ABS_Y: strcat(extra," Y"); break; - case ABS_Z: strcat(extra," Z"); break; - case ABS_RX: strcat(extra," RX"); break; - case ABS_RY: strcat(extra," RY"); break; - case ABS_RZ: strcat(extra," RZ"); break; - case ABS_THROTTLE: strcat(extra," Throttle");break; - case ABS_RUDDER: strcat(extra," Rudder"); break; - case ABS_WHEEL: strcat(extra," Wheel"); break; - case ABS_GAS: strcat(extra," Gas"); break; - case ABS_BRAKE: strcat(extra," Break"); break; - case ABS_HAT0X: strcat(extra," Hat0X"); break; - case ABS_HAT0Y: strcat(extra," Hat0Y"); break; - case ABS_HAT1X: strcat(extra," Hat1X"); break; - case ABS_HAT1Y: strcat(extra," Hat1Y"); break; - case ABS_HAT2X: strcat(extra," Hat2X"); break; - case ABS_HAT2Y: strcat(extra," Hat2Y"); break; - case ABS_HAT3X: strcat(extra," Hat3X"); break; - case ABS_HAT3Y: strcat(extra," Hat3Y"); break; - case ABS_PRESSURE: strcat(extra," Pressure");break; - case ABS_DISTANCE: strcat(extra," Distance");break; - case ABS_TILT_X: strcat(extra," TiltX"); break; - case ABS_TILT_Y: strcat(extra," TiltY"); break; - case ABS_MISC: strcat(extra," Misc"); break; - } + if (test_bits(k)) + switch (k) { + case ABS_X: + strcat(extra, " X"); + break; + case ABS_Y: + strcat(extra, " Y"); + break; + case ABS_Z: + strcat(extra, " Z"); + break; + case ABS_RX: + strcat(extra, " RX"); + break; + case ABS_RY: + strcat(extra, " RY"); + break; + case ABS_RZ: + strcat(extra, " RZ"); + break; + case ABS_THROTTLE: + strcat(extra, " Throttle"); + break; + case ABS_RUDDER: + strcat(extra, " Rudder"); + break; + case ABS_WHEEL: + strcat(extra, " Wheel"); + break; + case ABS_GAS: + strcat(extra, " Gas"); + break; + case ABS_BRAKE: + strcat(extra, " Break"); + break; + case ABS_HAT0X: + strcat(extra, " Hat0X"); + break; + case ABS_HAT0Y: + strcat(extra, " Hat0Y"); + break; + case ABS_HAT1X: + strcat(extra, " Hat1X"); + break; + case ABS_HAT1Y: + strcat(extra, " Hat1Y"); + break; + case ABS_HAT2X: + strcat(extra, " Hat2X"); + break; + case ABS_HAT2Y: + strcat(extra, " Hat2Y"); + break; + case ABS_HAT3X: + strcat(extra, " Hat3X"); + break; + case ABS_HAT3Y: + strcat(extra, " Hat3Y"); + break; + case ABS_PRESSURE: + strcat(extra, " Pressure"); + break; + case ABS_DISTANCE: + strcat(extra, " Distance"); + break; + case ABS_TILT_X: + strcat(extra, " TiltX"); + break; + case ABS_TILT_Y: + strcat(extra, " TiltY"); + break; + case ABS_MISC: + strcat(extra, " Misc"); + break; + } } break; - case EV_MSC: type = "reserved"; break; - case EV_LED: type = "leds"; + case EV_MSC: + type = "reserved"; + break; + case EV_LED: + type = "leds"; memset(bits, 0, sizeof(bits)); ioctl(priv->fd, EVIOCGBIT(EV_LED, sizeof(bits)), bits); for (k = 0; k < LED_MAX; k++) { - if (test_bits(k)) switch (k) { - case LED_NUML: strcat(extra," NumLock"); break; - case LED_CAPSL: strcat(extra," CapsLock"); break; - case LED_SCROLLL: strcat(extra," ScrlLock"); break; - case LED_COMPOSE: strcat(extra," Compose"); break; - case LED_KANA: strcat(extra," Kana"); break; - case LED_SLEEP: strcat(extra," Sleep"); break; - case LED_SUSPEND: strcat(extra," Suspend"); break; - case LED_MUTE: strcat(extra," Mute"); break; - case LED_MISC: strcat(extra," Misc"); break; - } + if (test_bits(k)) + switch (k) { + case LED_NUML: + strcat(extra, " NumLock"); + break; + case LED_CAPSL: + strcat(extra, " CapsLock"); + break; + case LED_SCROLLL: + strcat(extra, " ScrlLock"); + break; + case LED_COMPOSE: + strcat(extra, " Compose"); + break; + case LED_KANA: + strcat(extra, " Kana"); + break; + case LED_SLEEP: + strcat(extra, " Sleep"); + break; + case LED_SUSPEND: + strcat(extra, " Suspend"); + break; + case LED_MUTE: + strcat(extra, " Mute"); + break; + case LED_MISC: + strcat(extra, " Misc"); + break; + } } break; - case EV_SND: type = "sound"; + case EV_SND: + type = "sound"; memset(bits, 0, sizeof(bits)); ioctl(priv->fd, EVIOCGBIT(EV_SND, sizeof(bits)), bits); for (k = 0; k < SND_MAX; k++) { - if (test_bits(k)) switch (k) { - case SND_CLICK: strcat(extra," Click"); break; - case SND_BELL: strcat(extra," Bell"); break; - } + if (test_bits(k)) + switch (k) { + case SND_CLICK: + strcat(extra, " Click"); + break; + case SND_BELL: + strcat(extra, " Bell"); + break; + } } break; - case EV_REP: type = "repeat"; break; - case EV_FF: type = "feedback"; break; + case EV_REP: + type = "repeat"; + break; + case EV_FF: + type = "feedback"; + break; } LOG5INPUT(priv, " Feature 0x%02x = %s%s%s%s\n", j, type, extra[0] ? " [" : "", - extra[0] ? extra+1 : "", - extra[0] ? "]" : ""); + extra[0] ? extra + 1 : "", extra[0] ? "]" : ""); } } } /** Initialized \a pDev as a \a usbMouse, \a usbKeyboard, or \a usbOther -device. */ -void usbInit(DevicePtr pDev, usbType type) +device. */ +void +usbInit(DevicePtr pDev, usbType type) { GETPRIV; - char name[64]; /* RATS: Only used in snprintf */ - int i, j, k; - char buf[256] = { 0, }; /* RATS: Use ok */ - int version; - unsigned char bits[KEY_MAX/8 + 1]; /* RATS: Use ok assuming that - * KEY_MAX is greater than - * REL_MAX, ABS_MAX, SND_MAX, and - * LED_MAX. */ + char name[64]; /* RATS: Only used in snprintf */ + int i, j, k; + char buf[256] = { 0, }; /* RATS: Use ok */ + int version; + unsigned char bits[KEY_MAX / 8 + 1]; /* RATS: Use ok assuming that + * KEY_MAX is greater than + * REL_MAX, ABS_MAX, SND_MAX, and + * LED_MAX. */ - if (priv->fd >=0) return; + if (priv->fd >= 0) + return; for (i = 0; i < 32; i++) { snprintf(name, sizeof(name), "/dev/input/event%d", i); @@ -293,15 +396,18 @@ void usbInit(DevicePtr pDev, usbType type) for (j = 0; j < EV_MAX; j++) { if (test_bit(j)) { - switch(j) { + switch (j) { case EV_REL: memset(bits, 0, sizeof(bits)); ioctl(priv->fd, EVIOCGBIT(EV_REL, sizeof(bits)), bits); for (k = 0; k < REL_MAX; k++) { if (test_bits(k)) { - if (k == REL_X) priv->relmap[k] = 0; - else if (k == REL_Y) priv->relmap[k] = 1; - else priv->relmap[k] = 2 + priv->numAbs; + if (k == REL_X) + priv->relmap[k] = 0; + else if (k == REL_Y) + priv->relmap[k] = 1; + else + priv->relmap[k] = 2 + priv->numAbs; ++priv->numRel; } } @@ -320,7 +426,8 @@ void usbInit(DevicePtr pDev, usbType type) memset(bits, 0, sizeof(bits)); ioctl(priv->fd, EVIOCGBIT(EV_LED, sizeof(bits)), bits); for (k = 0; k < LED_MAX; k++) { - if (test_bits(k)) ++priv->numLeds; + if (test_bits(k)) + ++priv->numLeds; } break; } @@ -350,32 +457,36 @@ void usbInit(DevicePtr pDev, usbType type) FATAL1("usbInit: Cannot open /dev/input/event* port (%s)\n" " If you have not done so, you may need to:\n" " rmmod mousedev; rmmod keybdev\n" - " modprobe evdev\n", - strerror(errno)); - found: + " modprobe evdev\n", strerror(errno)); + found: usbPrint(priv, name, buf, priv->fd); } /** Turn \a pDev off (i.e., stop taking input from \a pDev). */ -void usbOff(DevicePtr pDev) +void +usbOff(DevicePtr pDev) { GETPRIV; - if (priv->fd >= 0) close(priv->fd); + if (priv->fd >= 0) + close(priv->fd); priv->fd = -1; } /** Create a private structure for use within this file. */ -pointer usbCreatePrivate(DeviceIntPtr pDevice) +pointer +usbCreatePrivate(DeviceIntPtr pDevice) { myPrivate *priv = calloc(1, sizeof(*priv)); - priv->fd = -1; - priv->pDevice = pDevice; + + priv->fd = -1; + priv->pDevice = pDevice; return priv; } /** Destroy a private structure. */ -void usbDestroyPrivate(pointer priv) +void +usbDestroyPrivate(pointer priv) { free(priv); } |