diff options
author | The Android Open Source Project <initial-contribution@android.com> | 2009-03-18 17:39:47 -0700 |
---|---|---|
committer | The Android Open Source Project <initial-contribution@android.com> | 2009-03-18 17:39:47 -0700 |
commit | 65f2d3aeee4a3179fe662e8f7cabce0a3e29a325 (patch) | |
tree | 85a035a3f78808c066f91732ef93068ee857c3cb | |
parent | 8232b50d981ce9c584fc1a4af82dae5e70e6ce52 (diff) | |
download | libhardware-65f2d3aeee4a3179fe662e8f7cabce0a3e29a325.tar.gz |
auto import from //branches/cupcake_rel/...@140373
-rw-r--r-- | include/hardware/lights.h | 116 | ||||
-rw-r--r-- | include/hardware/qemud.h | 144 |
2 files changed, 260 insertions, 0 deletions
diff --git a/include/hardware/lights.h b/include/hardware/lights.h new file mode 100644 index 00000000..bb89c897 --- /dev/null +++ b/include/hardware/lights.h @@ -0,0 +1,116 @@ +/* + * Copyright (C) 2008 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef ANDROID_LIGHTS_INTERFACE_H +#define ANDROID_LIGHTS_INTERFACE_H + +#include <stdint.h> +#include <sys/cdefs.h> +#include <sys/types.h> + +#include <hardware/hardware.h> + +__BEGIN_DECLS + +/** + * The id of this module + */ +#define LIGHTS_HARDWARE_MODULE_ID "lights" + +/* + * These light IDs correspond to logical lights, not physical. + * So for example, if your INDICATOR light is in line with your + * BUTTONS, it might make sense to also light the INDICATOR + * light to a reasonable color when the BUTTONS are lit. + */ +#define LIGHT_ID_BACKLIGHT "backlight" +#define LIGHT_ID_KEYBOARD "keyboard" +#define LIGHT_ID_BUTTONS "buttons" +#define LIGHT_ID_BATTERY "battery" +#define LIGHT_ID_NOTIFICATIONS "notifications" +#define LIGHT_ID_ATTENTION "attention" + +/* + * These lights aren't currently supported by the higher + * layers, but could be someday, so we have the constants + * here now. + */ +#define LIGHT_ID_BLUETOOTH "bluetooth" +#define LIGHT_ID_WIFI "wifi" + +/* ************************************************************************ + * Flash modes for the flashMode field of light_state_t. + */ + +#define LIGHT_FLASH_NONE 0 + +/** + * To flash the light at a given rate, set flashMode to LIGHT_FLASH_TIMED, + * and then flashOnMS should be set to the number of milliseconds to turn + * the light on, followed by the number of milliseconds to turn the light + * off. + */ +#define LIGHT_FLASH_TIMED 1 + + +/** + * The parameters that can be set for a given light. + * + * Not all lights must support all parameters. If you + * can do something backward-compatible, you should. + */ +struct light_state_t { + /** + * The color of the LED in ARGB. + * + * Do your best here. + * - If your light can only do red or green, if they ask for blue, + * you should do green. + * - If you can only do a brightness ramp, then use this formula: + * unsigned char brightness = ((77*((color>>16)&0x00ff)) + * + (150*((color>>8)&0x00ff)) + (29*(color&0x00ff))) >> 8; + * - If you can only do on or off, 0 is off, anything else is on. + * + * The high byte should be ignored. Callers will set it to 0xff (which + * would correspond to 255 alpha). + */ + unsigned int color; + + /** + * See the LIGHT_FLASH_* constants + */ + int flashMode; + int flashOnMS; + int flashOffMS; +}; + +struct light_device_t { + struct hw_device_t common; + + /** + * Set the provided lights to the provided values. + * + * Returns: 0 on succes, error code on failure. + */ + int (*set_light)(struct light_device_t* dev, + struct light_state_t const* state); +}; + + +__END_DECLS + +#endif // ANDROID_LIGHTS_INTERFACE_H + diff --git a/include/hardware/qemud.h b/include/hardware/qemud.h new file mode 100644 index 00000000..874a32f2 --- /dev/null +++ b/include/hardware/qemud.h @@ -0,0 +1,144 @@ +/* + * Copyright (C) 2008 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef ANDROID_INCLUDE_HARDWARE_QEMUD_H +#define ANDROID_INCLUDE_HARDWARE_QEMUD_H + +#include <cutils/sockets.h> + +/* the following is helper code that is used by the QEMU-specific + * hardware HAL modules to communicate with the emulator program + * through the 'qemud' multiplexing daemon. + * + * see the documentation comments for details in + * development/emulator/qemud/qemud.c + * + * all definitions here are built into the HAL module to avoid + * having to write a tiny shared library for this. + */ + +/* we expect the D macro to be defined to a function macro + * that sends its formatted string argument(s) to the log. + * If not, ignore the traces. + */ +#ifndef D +# define D(...) ((void)0) +#endif + +static __inline__ int +qemud_fd_write(int fd, const void* buff, int len) +{ + int len2; + do { + len2 = write(fd, buff, len); + } while (len2 < 0 && errno == EINTR); + return len2; +} + +static __inline__ int +qemud_fd_read(int fd, void* buff, int len) +{ + int len2; + do { + len2 = read(fd, buff, len); + } while (len2 < 0 && errno == EINTR); + return len2; +} + +static __inline__ int +qemud_channel_open(const char* name) +{ + int fd; + int namelen = strlen(name); + char answer[2]; + + /* connect to qemud control socket */ + fd = socket_local_client( "qemud", + ANDROID_SOCKET_NAMESPACE_RESERVED, + SOCK_STREAM ); + if (fd < 0) { + D("no qemud control socket: %s", strerror(errno)); + return -1; + } + + /* send service name to connect */ + if (qemud_fd_write(fd, name, namelen) != namelen) { + D("can't send service name to qemud: %s", + strerror(errno)); + close(fd); + return -1; + } + + /* read answer from daemon */ + if (qemud_fd_read(fd, answer, 2) != 2 || + answer[0] != 'O' || answer[1] != 'K') { + D("cant' connect to %s service through qemud", name); + close(fd); + return -1; + } + return fd; +} + +static __inline__ int +qemud_channel_send(int fd, const void* msg, int msglen) +{ + char header[5]; + + if (msglen < 0) + msglen = strlen((const char*)msg); + + if (msglen == 0) + return 0; + + snprintf(header, sizeof header, "%04x", msglen); + if (qemud_fd_write(fd, header, 4) != 4) { + D("can't write qemud frame header: %s", strerror(errno)); + return -1; + } + + if (qemud_fd_write(fd, msg, msglen) != msglen) { + D("can4t write qemud frame payload: %s", strerror(errno)); + return -1; + } + return 0; +} + +static __inline__ int +qemud_channel_recv(int fd, void* msg, int msgsize) +{ + char header[5]; + int size, avail; + + if (qemud_fd_read(fd, header, 4) != 4) { + D("can't read qemud frame header: %s", strerror(errno)); + return -1; + } + header[4] = 0; + if (sscanf(header, "%04x", &size) != 1) { + D("malformed qemud frame header: '%.*s'", 4, header); + return -1; + } + if (size > msgsize) + return -1; + + if (qemud_fd_read(fd, msg, size) != size) { + D("can't read qemud frame payload: %s", strerror(errno)); + return -1; + } + return size; +} + +#endif /* ANDROID_INCLUDE_HARDWARE_QEMUD_H */ |