From 7c3040e08a65d017aa2feb9a364b0e8a27237b43 Mon Sep 17 00:00:00 2001 From: Sam Lantinga Date: Tue, 21 Aug 2018 12:11:34 -0700 Subject: [PATCH] First pass on the new SDL sensor API --- .hgignore | 1 + Android.mk | 2 + CMakeLists.txt | 4 + Makefile.in | 1 + Makefile.minimal | 1 + Makefile.pandora | 2 +- Makefile.psp | 1 + Makefile.wiz | 2 +- Xcode/SDL/SDL.xcodeproj/project.pbxproj | 41 ++ configure | 17 + configure.in | 9 + include/SDL.h | 4 +- include/SDL_config_android.h | 3 + include/SDL_events.h | 15 + include/SDL_sensor.h | 201 +++++++++ src/SDL.c | 24 ++ src/dynapi/SDL_dynapi_overrides.h | 15 + src/dynapi/SDL_dynapi_procs.h | 14 + src/events/SDL_events.c | 7 + src/sensor/SDL_sensor.c | 548 ++++++++++++++++++++++++ src/sensor/SDL_sensor_c.h | 38 ++ src/sensor/SDL_syssensor.h | 97 +++++ src/sensor/android/SDL_androidsensor.c | 211 +++++++++ src/sensor/android/SDL_androidsensor.h | 31 ++ test/Makefile.in | 4 + test/testsensor.c | 117 +++++ 26 files changed, 1407 insertions(+), 3 deletions(-) create mode 100644 include/SDL_sensor.h create mode 100644 src/sensor/SDL_sensor.c create mode 100644 src/sensor/SDL_sensor_c.h create mode 100644 src/sensor/SDL_syssensor.h create mode 100644 src/sensor/android/SDL_androidsensor.c create mode 100644 src/sensor/android/SDL_androidsensor.h create mode 100644 test/testsensor.c diff --git a/.hgignore b/.hgignore index d4c66b856..d839b714e 100644 --- a/.hgignore +++ b/.hgignore @@ -112,6 +112,7 @@ test/testresample test/testrumble test/testscale test/testsem +test/testsensor test/testshader test/testshape test/testsprite2 diff --git a/Android.mk b/Android.mk index 76125d3d5..3e480fe1c 100644 --- a/Android.mk +++ b/Android.mk @@ -36,6 +36,8 @@ LOCAL_SRC_FILES := \ $(wildcard $(LOCAL_PATH)/src/power/*.c) \ $(wildcard $(LOCAL_PATH)/src/power/android/*.c) \ $(wildcard $(LOCAL_PATH)/src/filesystem/android/*.c) \ + $(wildcard $(LOCAL_PATH)/src/sensor/*.c) \ + $(wildcard $(LOCAL_PATH)/src/sensor/android/*.c) \ $(wildcard $(LOCAL_PATH)/src/render/*.c) \ $(wildcard $(LOCAL_PATH)/src/render/*/*.c) \ $(wildcard $(LOCAL_PATH)/src/stdlib/*.c) \ diff --git a/CMakeLists.txt b/CMakeLists.txt index 492a5d0ed..9333b3cda 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -750,6 +750,10 @@ if(SDL_HAPTIC) file(GLOB HAPTIC_SOURCES ${SDL2_SOURCE_DIR}/src/haptic/*.c) set(SOURCE_FILES ${SOURCE_FILES} ${HAPTIC_SOURCES}) endif() +if(SDL_SENSOR) + file(GLOB SENSOR_SOURCES ${SDL2_SOURCE_DIR}/src/sensor/*.c) + set(SOURCE_FILES ${SOURCE_FILES} ${SENSOR_SOURCES}) +endif() if(SDL_POWER) file(GLOB POWER_SOURCES ${SDL2_SOURCE_DIR}/src/power/*.c) set(SOURCE_FILES ${SOURCE_FILES} ${POWER_SOURCES}) diff --git a/Makefile.in b/Makefile.in index 732d1d4ca..4eb6e6323 100644 --- a/Makefile.in +++ b/Makefile.in @@ -101,6 +101,7 @@ HDRS = \ SDL_render.h \ SDL_rwops.h \ SDL_scancode.h \ + SDL_sensor.h \ SDL_shape.h \ SDL_stdinc.h \ SDL_surface.h \ diff --git a/Makefile.minimal b/Makefile.minimal index 6ec1ce81c..67a913750 100644 --- a/Makefile.minimal +++ b/Makefile.minimal @@ -22,6 +22,7 @@ SOURCES = \ src/filesystem/dummy/*.c \ src/render/*.c \ src/render/software/*.c \ + src/sensor/*.c \ src/stdlib/*.c \ src/thread/*.c \ src/thread/generic/*.c \ diff --git a/Makefile.pandora b/Makefile.pandora index 56f171b4e..325d24ec5 100644 --- a/Makefile.pandora +++ b/Makefile.pandora @@ -13,7 +13,7 @@ CFLAGS = -O3 -march=armv7-a -mcpu=cortex-a8 -mtune=cortex-a8 -mfloat-abi=softfp TARGET = libSDL.a SOURCES = ./src/*.c ./src/audio/*.c ./src/cpuinfo/*.c ./src/events/*.c \ - ./src/file/*.c ./src/stdlib/*.c ./src/thread/*.c ./src/timer/*.c ./src/video/*.c \ + ./src/file/*.c ./src/sensor/*.c ./src/stdlib/*.c ./src/thread/*.c ./src/timer/*.c ./src/video/*.c \ ./src/joystick/*.c ./src/haptic/*.c ./src/power/*.c ./src/video/dummy/*.c ./src/audio/disk/*.c \ ./src/audio/dummy/*.c ./src/loadso/dlopen/*.c ./src/audio/dsp/*.c \ ./src/thread/pthread/SDL_systhread.c ./src/thread/pthread/SDL_syssem.c \ diff --git a/Makefile.psp b/Makefile.psp index 93fb9e447..d6133b271 100644 --- a/Makefile.psp +++ b/Makefile.psp @@ -42,6 +42,7 @@ OBJS= src/SDL.o \ src/render/software/SDL_drawpoint.o \ src/render/software/SDL_render_sw.o \ src/render/software/SDL_rotate.o \ + src/sensor/SDL_sensor.o \ src/stdlib/SDL_getenv.o \ src/stdlib/SDL_iconv.o \ src/stdlib/SDL_malloc.o \ diff --git a/Makefile.wiz b/Makefile.wiz index 0981be853..4ff91f418 100644 --- a/Makefile.wiz +++ b/Makefile.wiz @@ -13,7 +13,7 @@ TARGET_STATIC = libSDL2.a TARGET_SHARED = libSDL2.so SOURCES = ./src/*.c ./src/audio/*.c ./src/cpuinfo/*.c ./src/events/*.c \ - ./src/file/*.c ./src/stdlib/*.c ./src/thread/*.c ./src/timer/*.c ./src/video/*.c \ + ./src/file/*.c ./src/sensor/*.c ./src/stdlib/*.c ./src/thread/*.c ./src/timer/*.c ./src/video/*.c \ ./src/joystick/*.c ./src/haptic/*.c ./src/video/dummy/*.c ./src/audio/disk/*.c \ ./src/audio/dummy/*.c ./src/loadso/dlopen/*.c ./src/audio/dsp/*.c \ ./src/thread/pthread/SDL_systhread.c ./src/thread/pthread/SDL_syssem.c \ diff --git a/Xcode/SDL/SDL.xcodeproj/project.pbxproj b/Xcode/SDL/SDL.xcodeproj/project.pbxproj index 252eceaa0..c45fae874 100755 --- a/Xcode/SDL/SDL.xcodeproj/project.pbxproj +++ b/Xcode/SDL/SDL.xcodeproj/project.pbxproj @@ -904,6 +904,18 @@ DB31407217554B71006C0E22 /* Carbon.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 007317C10858E15000B2BC32 /* Carbon.framework */; }; DB31408B17554D37006C0E22 /* ForceFeedback.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 00CFA89C106B4BA100758660 /* ForceFeedback.framework */; }; DB31408D17554D3C006C0E22 /* ForceFeedback.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 00CFA89C106B4BA100758660 /* ForceFeedback.framework */; }; + F30D9C84212BC94F0047DF2E /* SDL_sensor_c.h in Headers */ = {isa = PBXBuildFile; fileRef = F30D9C81212BC94E0047DF2E /* SDL_sensor_c.h */; }; + F30D9C85212BC94F0047DF2E /* SDL_sensor_c.h in Headers */ = {isa = PBXBuildFile; fileRef = F30D9C81212BC94E0047DF2E /* SDL_sensor_c.h */; }; + F30D9C86212BC94F0047DF2E /* SDL_sensor_c.h in Headers */ = {isa = PBXBuildFile; fileRef = F30D9C81212BC94E0047DF2E /* SDL_sensor_c.h */; }; + F30D9C87212BC94F0047DF2E /* SDL_syssensor.h in Headers */ = {isa = PBXBuildFile; fileRef = F30D9C82212BC94F0047DF2E /* SDL_syssensor.h */; }; + F30D9C88212BC94F0047DF2E /* SDL_syssensor.h in Headers */ = {isa = PBXBuildFile; fileRef = F30D9C82212BC94F0047DF2E /* SDL_syssensor.h */; }; + F30D9C89212BC94F0047DF2E /* SDL_syssensor.h in Headers */ = {isa = PBXBuildFile; fileRef = F30D9C82212BC94F0047DF2E /* SDL_syssensor.h */; }; + F30D9C8A212BC94F0047DF2E /* SDL_sensor.c in Sources */ = {isa = PBXBuildFile; fileRef = F30D9C83212BC94F0047DF2E /* SDL_sensor.c */; }; + F30D9C8B212BC94F0047DF2E /* SDL_sensor.c in Sources */ = {isa = PBXBuildFile; fileRef = F30D9C83212BC94F0047DF2E /* SDL_sensor.c */; }; + F30D9C8C212BC94F0047DF2E /* SDL_sensor.c in Sources */ = {isa = PBXBuildFile; fileRef = F30D9C83212BC94F0047DF2E /* SDL_sensor.c */; }; + F3950CD8212BC88D00F51292 /* SDL_sensor.h in Headers */ = {isa = PBXBuildFile; fileRef = F3950CD7212BC88D00F51292 /* SDL_sensor.h */; settings = {ATTRIBUTES = (Public, ); }; }; + F3950CD9212BC88D00F51292 /* SDL_sensor.h in Headers */ = {isa = PBXBuildFile; fileRef = F3950CD7212BC88D00F51292 /* SDL_sensor.h */; settings = {ATTRIBUTES = (Public, ); }; }; + F3950CDA212BC88D00F51292 /* SDL_sensor.h in Headers */ = {isa = PBXBuildFile; fileRef = F3950CD7212BC88D00F51292 /* SDL_sensor.h */; settings = {ATTRIBUTES = (Public, ); }; }; FA73671D19A540EF004122E4 /* CoreVideo.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = FA73671C19A540EF004122E4 /* CoreVideo.framework */; }; FA73671E19A54140004122E4 /* CoreVideo.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = FA73671C19A540EF004122E4 /* CoreVideo.framework */; }; FA73671F19A54144004122E4 /* CoreVideo.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = FA73671C19A540EF004122E4 /* CoreVideo.framework */; }; @@ -1229,6 +1241,10 @@ D55A1B80179F262300625D7C /* SDL_cocoamousetap.m */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.objc; path = SDL_cocoamousetap.m; sourceTree = ""; }; DB31407717554B71006C0E22 /* libSDL2.dylib */ = {isa = PBXFileReference; explicitFileType = "compiled.mach-o.dylib"; includeInIndex = 0; path = libSDL2.dylib; sourceTree = BUILT_PRODUCTS_DIR; }; DB89958518A1A5C50092407C /* SDL_syshaptic_c.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = SDL_syshaptic_c.h; sourceTree = ""; }; + F30D9C81212BC94E0047DF2E /* SDL_sensor_c.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = SDL_sensor_c.h; sourceTree = ""; }; + F30D9C82212BC94F0047DF2E /* SDL_syssensor.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = SDL_syssensor.h; sourceTree = ""; }; + F30D9C83212BC94F0047DF2E /* SDL_sensor.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = SDL_sensor.c; sourceTree = ""; }; + F3950CD7212BC88D00F51292 /* SDL_sensor.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = SDL_sensor.h; sourceTree = ""; }; F59C710300D5CB5801000001 /* ReadMe.txt */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = text; path = ReadMe.txt; sourceTree = ""; }; F59C710600D5CB5801000001 /* SDL.info */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = text; path = SDL.info; sourceTree = ""; }; F5A2EF3900C6A39A01000001 /* BUGS.txt */ = {isa = PBXFileReference; fileEncoding = 30; lastKnownFileType = text; name = BUGS.txt; path = ../../BUGS.txt; sourceTree = SOURCE_ROOT; }; @@ -1348,6 +1364,7 @@ AA7557EB1595D4D800BBD41B /* SDL_revision.h */, AA7557EC1595D4D800BBD41B /* SDL_rwops.h */, AA7557ED1595D4D800BBD41B /* SDL_scancode.h */, + F3950CD7212BC88D00F51292 /* SDL_sensor.h */, AA7557EE1595D4D800BBD41B /* SDL_shape.h */, AA7557EF1595D4D800BBD41B /* SDL_stdinc.h */, AA7557F01595D4D800BBD41B /* SDL_surface.h */, @@ -1856,6 +1873,7 @@ 04BDFE2F12E6671700899322 /* loadso */, 04BDFE4512E6671700899322 /* power */, 041B2C9712FA0D680087D585 /* render */, + F3950CDB212BC8BC00F51292 /* sensor */, 04BDFE5D12E6671700899322 /* stdlib */, 04BDFE6412E6671800899322 /* thread */, 04BDFE9512E6671800899322 /* timer */, @@ -1980,6 +1998,17 @@ name = "Linked Frameworks"; sourceTree = ""; }; + F3950CDB212BC8BC00F51292 /* sensor */ = { + isa = PBXGroup; + children = ( + F30D9C81212BC94E0047DF2E /* SDL_sensor_c.h */, + F30D9C83212BC94F0047DF2E /* SDL_sensor.c */, + F30D9C82212BC94F0047DF2E /* SDL_syssensor.h */, + ); + name = sensor; + path = ../../src/sensor; + sourceTree = SOURCE_ROOT; + }; F59C70FC00D5CB5801000001 /* pkg-support */ = { isa = PBXGroup; children = ( @@ -2011,6 +2040,7 @@ AA75585E1595D4D800BBD41B /* SDL.h in Headers */, AA7557FE1595D4D800BBD41B /* SDL_assert.h in Headers */, AA7558001595D4D800BBD41B /* SDL_atomic.h in Headers */, + F30D9C87212BC94F0047DF2E /* SDL_syssensor.h in Headers */, AA7558021595D4D800BBD41B /* SDL_audio.h in Headers */, AADA5B8716CCAB3000107CF7 /* SDL_bits.h in Headers */, AA7558041595D4D800BBD41B /* SDL_blendmode.h in Headers */, @@ -2031,7 +2061,9 @@ AA75581A1595D4D800BBD41B /* SDL_hints.h in Headers */, AA75581E1595D4D800BBD41B /* SDL_joystick.h in Headers */, AA7558201595D4D800BBD41B /* SDL_keyboard.h in Headers */, + F3950CD8212BC88D00F51292 /* SDL_sensor.h in Headers */, AA7558221595D4D800BBD41B /* SDL_keycode.h in Headers */, + F30D9C84212BC94F0047DF2E /* SDL_sensor_c.h in Headers */, AA7558241595D4D800BBD41B /* SDL_loadso.h in Headers */, AA7558261595D4D800BBD41B /* SDL_log.h in Headers */, 5C2EF6F91FC9EE35003F5197 /* SDL_egl_c.h in Headers */, @@ -2186,6 +2218,7 @@ AA7558051595D4D800BBD41B /* SDL_blendmode.h in Headers */, AA7558071595D4D800BBD41B /* SDL_clipboard.h in Headers */, AA75580B1595D4D800BBD41B /* SDL_config.h in Headers */, + F30D9C85212BC94F0047DF2E /* SDL_sensor_c.h in Headers */, AA7558091595D4D800BBD41B /* SDL_config_macosx.h in Headers */, AA75580D1595D4D800BBD41B /* SDL_copying.h in Headers */, AA75580F1595D4D800BBD41B /* SDL_cpuinfo.h in Headers */, @@ -2230,6 +2263,7 @@ AA7558511595D4D800BBD41B /* SDL_syswm.h in Headers */, AAC070FA195606770073DCDF /* SDL_opengl_glext.h in Headers */, AA7558531595D4D800BBD41B /* SDL_thread.h in Headers */, + F30D9C88212BC94F0047DF2E /* SDL_syssensor.h in Headers */, AA7558551595D4D800BBD41B /* SDL_timer.h in Headers */, AA7558571595D4D800BBD41B /* SDL_touch.h in Headers */, AA7558591595D4D800BBD41B /* SDL_types.h in Headers */, @@ -2269,6 +2303,7 @@ 04BD028212E6671800899322 /* SDL_sysjoystick_c.h in Headers */, 04BD028C12E6671800899322 /* SDL_joystick_c.h in Headers */, 04BD028D12E6671800899322 /* SDL_sysjoystick.h in Headers */, + F3950CD9212BC88D00F51292 /* SDL_sensor.h in Headers */, 04BD02B512E6671800899322 /* SDL_assert_c.h in Headers */, 04BD02B812E6671800899322 /* SDL_error_c.h in Headers */, 04BD02D912E6671800899322 /* SDL_sysmutex_c.h in Headers */, @@ -2352,6 +2387,7 @@ DB313FCD17554B71006C0E22 /* SDL_blendmode.h in Headers */, DB313FCE17554B71006C0E22 /* SDL_clipboard.h in Headers */, DB313FD017554B71006C0E22 /* SDL_config.h in Headers */, + F30D9C86212BC94F0047DF2E /* SDL_sensor_c.h in Headers */, DB313FCF17554B71006C0E22 /* SDL_config_macosx.h in Headers */, DB313FD117554B71006C0E22 /* SDL_copying.h in Headers */, DB313FD217554B71006C0E22 /* SDL_cpuinfo.h in Headers */, @@ -2396,6 +2432,7 @@ DB313FF217554B71006C0E22 /* SDL_syswm.h in Headers */, AAC070FB195606770073DCDF /* SDL_opengl_glext.h in Headers */, DB313FF317554B71006C0E22 /* SDL_thread.h in Headers */, + F30D9C89212BC94F0047DF2E /* SDL_syssensor.h in Headers */, DB313FF417554B71006C0E22 /* SDL_timer.h in Headers */, DB313FF517554B71006C0E22 /* SDL_touch.h in Headers */, DB313FF617554B71006C0E22 /* SDL_types.h in Headers */, @@ -2435,6 +2472,7 @@ DB313F8C17554B71006C0E22 /* SDL_sysjoystick_c.h in Headers */, DB313F8D17554B71006C0E22 /* SDL_joystick_c.h in Headers */, DB313F8E17554B71006C0E22 /* SDL_sysjoystick.h in Headers */, + F3950CDA212BC88D00F51292 /* SDL_sensor.h in Headers */, DB313F8F17554B71006C0E22 /* SDL_assert_c.h in Headers */, DB313F9017554B71006C0E22 /* SDL_error_c.h in Headers */, DB313F9217554B71006C0E22 /* SDL_sysmutex_c.h in Headers */, @@ -2774,6 +2812,7 @@ 0442EC5A12FE1C60004C9285 /* SDL_x11framebuffer.c in Sources */, 0442EC5F12FE1C75004C9285 /* SDL_hints.c in Sources */, 56A67024185654B40007D20F /* SDL_dynapi.c in Sources */, + F30D9C8A212BC94F0047DF2E /* SDL_sensor.c in Sources */, 04BAC0C81300C2160055DE28 /* SDL_log.c in Sources */, 5C2EF6EE1FC9D0ED003F5197 /* SDL_cocoaopengles.m in Sources */, 0435673E1303160F00BA5428 /* SDL_shaders_gl.c in Sources */, @@ -2909,6 +2948,7 @@ 04F7805E12FB74A200FC43C0 /* SDL_drawpoint.c in Sources */, 0442EC1912FE1BBA004C9285 /* SDL_render_gl.c in Sources */, 0442EC1F12FE1BCB004C9285 /* SDL_render_sw.c in Sources */, + F30D9C8B212BC94F0047DF2E /* SDL_sensor.c in Sources */, 56A67025185654B40007D20F /* SDL_dynapi.c in Sources */, 0442EC5C12FE1C60004C9285 /* SDL_x11framebuffer.c in Sources */, 0442EC6012FE1C75004C9285 /* SDL_hints.c in Sources */, @@ -3044,6 +3084,7 @@ DB31406017554B71006C0E22 /* SDL_drawpoint.c in Sources */, DB31406117554B71006C0E22 /* SDL_render_gl.c in Sources */, DB31406217554B71006C0E22 /* SDL_render_sw.c in Sources */, + F30D9C8C212BC94F0047DF2E /* SDL_sensor.c in Sources */, 56A67026185654B40007D20F /* SDL_dynapi.c in Sources */, DB31406317554B71006C0E22 /* SDL_x11framebuffer.c in Sources */, DB31406417554B71006C0E22 /* SDL_hints.c in Sources */, diff --git a/configure b/configure index e06743de4..2ed38ec99 100755 --- a/configure +++ b/configure @@ -785,6 +785,7 @@ enable_render enable_events enable_joystick enable_haptic +enable_sensor enable_power enable_filesystem enable_threads @@ -1523,6 +1524,7 @@ Optional Features: --enable-joystick Enable the joystick subsystem [[default=yes]] --enable-haptic Enable the haptic (force feedback) subsystem [[default=yes]] + --enable-sensor Enable the sensor subsystem [[default=yes]] --enable-power Enable the power subsystem [[default=yes]] --enable-filesystem Enable the filesystem subsystem [[default=yes]] --enable-threads Enable the threading subsystem [[default=yes]] @@ -16884,6 +16886,7 @@ SOURCES="$SOURCES $srcdir/src/power/*.c" #SOURCES="$SOURCES $srcdir/src/filesystem/*.c" SOURCES="$SOURCES $srcdir/src/render/*.c" SOURCES="$SOURCES $srcdir/src/render/*/*.c" +SOURCES="$SOURCES $srcdir/src/sensor/*.c" SOURCES="$SOURCES $srcdir/src/stdlib/*.c" SOURCES="$SOURCES $srcdir/src/thread/*.c" SOURCES="$SOURCES $srcdir/src/timer/*.c" @@ -16989,6 +16992,20 @@ $as_echo "#define SDL_HAPTIC_DISABLED 1" >>confdefs.h else SUMMARY_modules="${SUMMARY_modules} haptic" fi +# Check whether --enable-sensor was given. +if test "${enable_sensor+set}" = set; then : + enableval=$enable_sensor; +else + enable_sensor=yes +fi + +if test x$enable_sensor != xyes; then + +$as_echo "#define SDL_SENSOR_DISABLED 1" >>confdefs.h + +else + SUMMARY_modules="${SUMMARY_modules} sensor" +fi # Check whether --enable-power was given. if test "${enable_power+set}" = set; then : enableval=$enable_power; diff --git a/configure.in b/configure.in index 6f8103f5d..21366371e 100644 --- a/configure.in +++ b/configure.in @@ -346,6 +346,7 @@ SOURCES="$SOURCES $srcdir/src/power/*.c" #SOURCES="$SOURCES $srcdir/src/filesystem/*.c" SOURCES="$SOURCES $srcdir/src/render/*.c" SOURCES="$SOURCES $srcdir/src/render/*/*.c" +SOURCES="$SOURCES $srcdir/src/sensor/*.c" SOURCES="$SOURCES $srcdir/src/stdlib/*.c" SOURCES="$SOURCES $srcdir/src/thread/*.c" SOURCES="$SOURCES $srcdir/src/timer/*.c" @@ -410,6 +411,14 @@ if test x$enable_haptic != xyes; then else SUMMARY_modules="${SUMMARY_modules} haptic" fi +AC_ARG_ENABLE(sensor, +AC_HELP_STRING([--enable-sensor], [Enable the sensor subsystem [[default=yes]]]), + , enable_sensor=yes) +if test x$enable_sensor != xyes; then + AC_DEFINE(SDL_SENSOR_DISABLED, 1, [ ]) +else + SUMMARY_modules="${SUMMARY_modules} sensor" +fi AC_ARG_ENABLE(power, AC_HELP_STRING([--enable-power], [Enable the power subsystem [[default=yes]]]), , enable_power=yes) diff --git a/include/SDL.h b/include/SDL.h index d48d9d4a0..fc35a419e 100644 --- a/include/SDL.h +++ b/include/SDL.h @@ -51,6 +51,7 @@ #include "SDL_power.h" #include "SDL_render.h" #include "SDL_rwops.h" +#include "SDL_sensor.h" #include "SDL_shape.h" #include "SDL_system.h" #include "SDL_thread.h" @@ -80,10 +81,11 @@ extern "C" { #define SDL_INIT_HAPTIC 0x00001000u #define SDL_INIT_GAMECONTROLLER 0x00002000u /**< SDL_INIT_GAMECONTROLLER implies SDL_INIT_JOYSTICK */ #define SDL_INIT_EVENTS 0x00004000u +#define SDL_INIT_SENSOR 0x00008000u #define SDL_INIT_NOPARACHUTE 0x00100000u /**< compatibility; this flag is ignored. */ #define SDL_INIT_EVERYTHING ( \ SDL_INIT_TIMER | SDL_INIT_AUDIO | SDL_INIT_VIDEO | SDL_INIT_EVENTS | \ - SDL_INIT_JOYSTICK | SDL_INIT_HAPTIC | SDL_INIT_GAMECONTROLLER \ + SDL_INIT_JOYSTICK | SDL_INIT_HAPTIC | SDL_INIT_GAMECONTROLLER | SDL_INIT_SENSOR \ ) /* @} */ diff --git a/include/SDL_config_android.h b/include/SDL_config_android.h index 2aa17deab..f2b28cfb2 100644 --- a/include/SDL_config_android.h +++ b/include/SDL_config_android.h @@ -137,6 +137,9 @@ #define SDL_JOYSTICK_HIDAPI 1 #define SDL_HAPTIC_ANDROID 1 +/* Enable sensor driver */ +#define SDL_SENSOR_ANDROID 1 + /* Enable various shared object loading systems */ #define SDL_LOADSO_DLOPEN 1 diff --git a/include/SDL_events.h b/include/SDL_events.h index 3d39e6a73..4cf1878ac 100644 --- a/include/SDL_events.h +++ b/include/SDL_events.h @@ -144,6 +144,9 @@ typedef enum SDL_AUDIODEVICEADDED = 0x1100, /**< A new audio device is available */ SDL_AUDIODEVICEREMOVED, /**< An audio device has been removed. */ + /* Sensor events */ + SDL_SENSORUPDATE = 0x1200, /**< A sensor was updated */ + /* Render events */ SDL_RENDER_TARGETS_RESET = 0x2000, /**< The render targets have been reset and their contents need to be updated */ SDL_RENDER_DEVICE_RESET, /**< The device has been reset and all textures need to be recreated */ @@ -471,6 +474,17 @@ typedef struct SDL_DropEvent } SDL_DropEvent; +/** + * \brief Sensor event structure (event.sensor.*) + */ +typedef struct SDL_SensorEvent +{ + Uint32 type; /**< ::SDL_SENSORUPDATE */ + Uint32 timestamp; /**< In milliseconds, populated using SDL_GetTicks() */ + Sint32 which; /**< The instance ID of the sensor */ + float data[6]; /**< Up to 6 values from the sensor - additional values can be queried using SDL_SensorGetData() */ +} SDL_SensorEvent; + /** * \brief The "quit requested" event */ @@ -542,6 +556,7 @@ typedef union SDL_Event SDL_ControllerButtonEvent cbutton; /**< Game Controller button event data */ SDL_ControllerDeviceEvent cdevice; /**< Game Controller device event data */ SDL_AudioDeviceEvent adevice; /**< Audio device event data */ + SDL_SensorEvent sensor; /**< Sensor event data */ SDL_QuitEvent quit; /**< Quit request event data */ SDL_UserEvent user; /**< Custom event data */ SDL_SysWMEvent syswm; /**< System dependent window event data */ diff --git a/include/SDL_sensor.h b/include/SDL_sensor.h new file mode 100644 index 000000000..8ab41780c --- /dev/null +++ b/include/SDL_sensor.h @@ -0,0 +1,201 @@ +/* + Simple DirectMedia Layer + Copyright (C) 1997-2018 Sam Lantinga + + This software is provided 'as-is', without any express or implied + warranty. In no event will the authors be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + 3. This notice may not be removed or altered from any source distribution. +*/ + +/** + * \file SDL_sensor.h + * + * Include file for SDL sensor event handling + * + */ + +#ifndef _SDL_sensor_h +#define _SDL_sensor_h + +#include "SDL_stdinc.h" +#include "SDL_error.h" + +#include "begin_code.h" +/* Set up for C function definitions, even when using C++ */ +#ifdef __cplusplus +/* *INDENT-OFF* */ +extern "C" { +/* *INDENT-ON* */ +#endif + +/** + * \file SDL_sensor.h + * + * In order to use these functions, SDL_Init() must have been called + * with the ::SDL_INIT_SENSOR flag. This causes SDL to scan the system + * for sensors, and load appropriate drivers. + */ + +struct _SDL_Sensor; +typedef struct _SDL_Sensor SDL_Sensor; + +/** + * This is a unique ID for a sensor for the time it is connected to the system, + * and is never reused for the lifetime of the application. + * + * The ID value starts at 0 and increments from there. The value -1 is an invalid ID. + */ +typedef Sint32 SDL_JoystickID; +typedef int SDL_SensorID; + +/* The different sensor types */ +typedef enum +{ + SDL_SENSOR_INVALID = -1, /**< Returned for an invalid sensor */ + SDL_SENSOR_UNKNOWN, /**< Unknown sensor type */ + SDL_SENSOR_ACCEL, /**< Accelerometer */ + SDL_SENSOR_GYRO, /**< Gyroscope */ +} SDL_SensorType; + +/* Function prototypes */ + +/** + * \brief Count the number of sensors attached to the system right now + */ +extern DECLSPEC int SDLCALL SDL_NumSensors(void); + +/** + * \brief Get the implementation dependent name of a sensor. + * + * This can be called before any sensors are opened. + * + * \return The sensor name, or NULL if device_index is out of range. + */ +extern DECLSPEC const char *SDLCALL SDL_SensorGetDeviceName(int device_index); + +/** + * \brief Get the type of a sensor. + * + * This can be called before any sensors are opened. + * + * \return The sensor type, or SDL_SENSOR_INVALID if device_index is out of range. + */ +extern DECLSPEC SDL_SensorType SDLCALL SDL_SensorGetDeviceType(int device_index); + +/** + * \brief Get the platform dependent type of a sensor. + * + * This can be called before any sensors are opened. + * + * \return The sensor platform dependent type, or -1 if device_index is out of range. + */ +extern DECLSPEC int SDLCALL SDL_SensorGetDeviceNonPortableType(int device_index); + +/** + * \brief Get the instance ID of a sensor. + * + * This can be called before any sensors are opened. + * + * \return The sensor instance ID, or -1 if device_index is out of range. + */ +extern DECLSPEC SDL_SensorID SDLCALL SDL_SensorGetDeviceInstanceID(int device_index); + +/** + * \brief Open a sensor for use. + * + * The index passed as an argument refers to the N'th sensor on the system. + * + * \return A sensor identifier, or NULL if an error occurred. + */ +extern DECLSPEC SDL_Sensor *SDLCALL SDL_SensorOpen(int device_index); + +/** + * Return the SDL_Sensor associated with an instance id. + */ +extern DECLSPEC SDL_Sensor *SDLCALL SDL_SensorFromInstanceID(SDL_SensorID instance_id); + +/** + * \brief Get the implementation dependent name of a sensor. + * + * \return The sensor name, or NULL if the sensor is NULL. + */ +extern DECLSPEC const char *SDLCALL SDL_SensorGetName(SDL_Sensor *sensor); + +/** + * \brief Get the type of a sensor. + * + * This can be called before any sensors are opened. + * + * \return The sensor type, or SDL_SENSOR_INVALID if the sensor is NULL. + */ +extern DECLSPEC SDL_SensorType SDLCALL SDL_SensorGetType(SDL_Sensor *sensor); + +/** + * \brief Get the platform dependent type of a sensor. + * + * This can be called before any sensors are opened. + * + * \return The sensor platform dependent type, or -1 if the sensor is NULL. + */ +extern DECLSPEC int SDLCALL SDL_SensorGetNonPortableType(SDL_Sensor *sensor); + +/** + * \brief Get the instance ID of a sensor. + * + * This can be called before any sensors are opened. + * + * \return The sensor instance ID, or -1 if the sensor is NULL. + */ +extern DECLSPEC SDL_SensorID SDLCALL SDL_SensorGetInstanceID(SDL_Sensor *sensor); + +/** + * Get the current state of an opened sensor. + * + * The number of values and interpretation of the data is sensor dependent. + * + * \param sensor The sensor to query + * \param data A pointer filled with the current sensor state + * \param num_values The number of values to write to data + * + * \return 0 or -1 if an error occurred. + */ +extern DECLSPEC int SDLCALL SDL_SensorGetData(SDL_Sensor * sensor, float *data, int num_values); + +/** + * Close a sensor previously opened with SDL_SensorOpen() + */ +extern DECLSPEC void SDLCALL SDL_SensorClose(SDL_Sensor * sensor); + +/** + * Update the current state of the open sensors. + * + * This is called automatically by the event loop if sensor events are enabled. + * + * This needs to be called from the thread that initialized the sensor subsystem. + */ +extern DECLSPEC void SDLCALL SDL_SensorUpdate(void); + + +/* Ends C function definitions when using C++ */ +#ifdef __cplusplus +/* *INDENT-OFF* */ +} +/* *INDENT-ON* */ +#endif +#include "close_code.h" + +#endif /* _SDL_sensor_h */ + +/* vi: set ts=4 sw=4 expandtab: */ diff --git a/src/SDL.c b/src/SDL.c index 0e552791f..6d014a4f0 100644 --- a/src/SDL.c +++ b/src/SDL.c @@ -33,6 +33,7 @@ #include "events/SDL_events_c.h" #include "haptic/SDL_haptic_c.h" #include "joystick/SDL_joystick_c.h" +#include "sensor/SDL_sensor_c.h" /* Initialization/Cleanup routines */ #if !SDL_TIMERS_DISABLED @@ -232,6 +233,20 @@ SDL_InitSubSystem(Uint32 flags) #endif } + /* Initialize the sensor subsystem */ + if ((flags & SDL_INIT_SENSOR)){ +#if !SDL_SENSOR_DISABLED + if (SDL_PrivateShouldInitSubsystem(SDL_INIT_SENSOR)) { + if (SDL_SensorInit() < 0) { + return (-1); + } + } + SDL_PrivateSubsystemRefCountIncr(SDL_INIT_SENSOR); +#else + return SDL_SetError("SDL not built with sensor support"); +#endif + } + return (0); } @@ -245,6 +260,15 @@ void SDL_QuitSubSystem(Uint32 flags) { /* Shut down requested initialized subsystems */ +#if !SDL_SENSOR_DISABLED + if ((flags & SDL_INIT_SENSOR)) { + if (SDL_PrivateShouldQuitSubsystem(SDL_INIT_SENSOR)) { + SDL_SensorQuit(); + } + SDL_PrivateSubsystemRefCountDecr(SDL_INIT_SENSOR); + } +#endif + #if !SDL_JOYSTICK_DISABLED if ((flags & SDL_INIT_GAMECONTROLLER)) { /* game controller implies joystick */ diff --git a/src/dynapi/SDL_dynapi_overrides.h b/src/dynapi/SDL_dynapi_overrides.h index db8c8e259..213f40f12 100644 --- a/src/dynapi/SDL_dynapi_overrides.h +++ b/src/dynapi/SDL_dynapi_overrides.h @@ -681,3 +681,18 @@ #define SDL_GameControllerRumble SDL_GameControllerRumble_REAL #define SDL_JoystickRumble SDL_JoystickRumble_REAL #define SDL_IsTablet SDL_IsTablet_REAL +#define SDL_IsTablet SDL_IsTablet_REAL +#define SDL_NumSensors SDL_NumSensors_REAL +#define SDL_SensorGetDeviceName SDL_SensorGetDeviceName_REAL +#define SDL_SensorGetDeviceType SDL_SensorGetDeviceType_REAL +#define SDL_SensorGetDeviceNonPortableType SDL_SensorGetDeviceNonPortableType_REAL +#define SDL_SensorGetDeviceInstanceID SDL_SensorGetDeviceInstanceID_REAL +#define SDL_SensorOpen SDL_SensorOpen_REAL +#define SDL_SensorFromInstanceID SDL_SensorFromInstanceID_REAL +#define SDL_SensorGetName SDL_SensorGetName_REAL +#define SDL_SensorGetType SDL_SensorGetType_REAL +#define SDL_SensorGetNonPortableType SDL_SensorGetNonPortableType_REAL +#define SDL_SensorGetInstanceID SDL_SensorGetInstanceID_REAL +#define SDL_SensorGetData SDL_SensorGetData_REAL +#define SDL_SensorClose SDL_SensorClose_REAL +#define SDL_SensorUpdate SDL_SensorUpdate_REAL diff --git a/src/dynapi/SDL_dynapi_procs.h b/src/dynapi/SDL_dynapi_procs.h index 36342f097..37ccdbd22 100644 --- a/src/dynapi/SDL_dynapi_procs.h +++ b/src/dynapi/SDL_dynapi_procs.h @@ -725,3 +725,17 @@ SDL_DYNAPI_PROC(int,SDL_JoystickRumble,(SDL_Joystick *a, Uint16 b, Uint16 c, Uin #if defined(__ANDROID__) || defined(__IPHONEOS__) SDL_DYNAPI_PROC(SDL_bool,SDL_IsTablet,(void),(),return) #endif +SDL_DYNAPI_PROC(int,SDL_NumSensors,(void),(),return) +SDL_DYNAPI_PROC(const char*,SDL_SensorGetDeviceName,(int a),(a),return) +SDL_DYNAPI_PROC(SDL_SensorType,SDL_SensorGetDeviceType,(int a),(a),return) +SDL_DYNAPI_PROC(int,SDL_SensorGetDeviceNonPortableType,(int a),(a),return) +SDL_DYNAPI_PROC(SDL_SensorID,SDL_SensorGetDeviceInstanceID,(int a),(a),return) +SDL_DYNAPI_PROC(SDL_Sensor*,SDL_SensorOpen,(int a),(a),return) +SDL_DYNAPI_PROC(SDL_Sensor*,SDL_SensorFromInstanceID,(SDL_SensorID a),(a),return) +SDL_DYNAPI_PROC(const char*,SDL_SensorGetName,(SDL_Sensor *a),(a),return) +SDL_DYNAPI_PROC(SDL_SensorType,SDL_SensorGetType,(SDL_Sensor *a),(a),return) +SDL_DYNAPI_PROC(int,SDL_SensorGetNonPortableType,(SDL_Sensor *a),(a),return) +SDL_DYNAPI_PROC(SDL_SensorID,SDL_SensorGetInstanceID,(SDL_Sensor *a),(a),return) +SDL_DYNAPI_PROC(int,SDL_SensorGetData,(SDL_Sensor *a, float *b, int c),(a,b,c),return) +SDL_DYNAPI_PROC(void,SDL_SensorClose,(SDL_Sensor *a),(a),) +SDL_DYNAPI_PROC(void,SDL_SensorUpdate,(void),(),) diff --git a/src/events/SDL_events.c b/src/events/SDL_events.c index c0b9e3117..da6d73b52 100644 --- a/src/events/SDL_events.c +++ b/src/events/SDL_events.c @@ -657,6 +657,13 @@ SDL_PumpEvents(void) } #endif +#if !SDL_SENSOR_DISABLED + /* Check for sensor state change */ + if (!SDL_disabled_events[SDL_SENSORUPDATE >> 8]) { + SDL_SensorUpdate(); + } +#endif + SDL_SendPendingQuit(); /* in case we had a signal handler fire, etc. */ } diff --git a/src/sensor/SDL_sensor.c b/src/sensor/SDL_sensor.c new file mode 100644 index 000000000..8859f6192 --- /dev/null +++ b/src/sensor/SDL_sensor.c @@ -0,0 +1,548 @@ +/* + Simple DirectMedia Layer + Copyright (C) 1997-2018 Sam Lantinga + + This software is provided 'as-is', without any express or implied + warranty. In no event will the authors be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + 3. This notice may not be removed or altered from any source distribution. +*/ +#include "../SDL_internal.h" + +/* This is the sensor API for Simple DirectMedia Layer */ + +#include "SDL.h" +#include "SDL_atomic.h" +#include "SDL_events.h" +#include "SDL_syssensor.h" +#include "SDL_assert.h" + +#if !SDL_EVENTS_DISABLED +#include "../events/SDL_events_c.h" +#endif + +static SDL_SensorDriver *SDL_sensor_drivers[] = { +#if 0 //defined(__IPHONEOS__) || defined(__TVOS__) + &SDL_IOS_SensorDriver, +#endif +#ifdef SDL_SENSOR_ANDROID + &SDL_ANDROID_SensorDriver, +#endif +}; +static SDL_Sensor *SDL_sensors = NULL; +static SDL_bool SDL_updating_sensor = SDL_FALSE; +static SDL_mutex *SDL_sensor_lock = NULL; /* This needs to support recursive locks */ +static SDL_atomic_t SDL_next_sensor_instance_id; + +void +SDL_LockSensors(void) +{ + if (SDL_sensor_lock) { + SDL_LockMutex(SDL_sensor_lock); + } +} + +void +SDL_UnlockSensors(void) +{ + if (SDL_sensor_lock) { + SDL_UnlockMutex(SDL_sensor_lock); + } +} + + +int +SDL_SensorInit(void) +{ + int i, status; + + /* Create the sensor list lock */ + if (!SDL_sensor_lock) { + SDL_sensor_lock = SDL_CreateMutex(); + } + +#if !SDL_EVENTS_DISABLED + if (SDL_InitSubSystem(SDL_INIT_EVENTS) < 0) { + return -1; + } +#endif /* !SDL_EVENTS_DISABLED */ + + if (SDL_arraysize(SDL_sensor_drivers) == 0) { + /* What should we return here? We'll just return 0 with no sensors for now. */ + status = 0; + } + + status = -1; + for (i = 0; i < SDL_arraysize(SDL_sensor_drivers); ++i) { + if (SDL_sensor_drivers[i]->Init() >= 0) { + status = 0; + } + } + return status; +} + +/* + * Count the number of sensors attached to the system + */ +int +SDL_NumSensors(void) +{ + int i, total_sensors = 0; + SDL_LockSensors(); + for (i = 0; i < SDL_arraysize(SDL_sensor_drivers); ++i) { + total_sensors += SDL_sensor_drivers[i]->GetCount(); + } + SDL_UnlockSensors(); + return total_sensors; +} + +/* + * Return the next available sensor instance ID + * This may be called by drivers from multiple threads, unprotected by any locks + */ +SDL_SensorID SDL_GetNextSensorInstanceID() +{ + return SDL_AtomicIncRef(&SDL_next_sensor_instance_id); +} + +/* + * Get the driver and device index for an API device index + * This should be called while the sensor lock is held, to prevent another thread from updating the list + */ +SDL_bool +SDL_GetDriverAndSensorIndex(int device_index, SDL_SensorDriver **driver, int *driver_index) +{ + int i, num_sensors, total_sensors = 0; + + if (device_index >= 0) { + for (i = 0; i < SDL_arraysize(SDL_sensor_drivers); ++i) { + num_sensors = SDL_sensor_drivers[i]->GetCount(); + if (device_index < num_sensors) { + *driver = SDL_sensor_drivers[i]; + *driver_index = device_index; + return SDL_TRUE; + } + device_index -= num_sensors; + total_sensors += num_sensors; + } + } + + SDL_SetError("There are %d sensors available", total_sensors); + return SDL_FALSE; +} + +/* + * Get the implementation dependent name of a sensor + */ +const char * +SDL_SensorGetDeviceName(int device_index) +{ + SDL_SensorDriver *driver; + const char *name = NULL; + + SDL_LockSensors(); + if (SDL_GetDriverAndSensorIndex(device_index, &driver, &device_index)) { + name = driver->GetDeviceName(device_index); + } + SDL_UnlockSensors(); + + /* FIXME: Really we should reference count this name so it doesn't go away after unlock */ + return name; +} + +SDL_SensorType +SDL_SensorGetDeviceType(int device_index) +{ + SDL_SensorDriver *driver; + SDL_SensorType type = SDL_SENSOR_INVALID; + + SDL_LockSensors(); + if (SDL_GetDriverAndSensorIndex(device_index, &driver, &device_index)) { + type = driver->GetDeviceType(device_index); + } + SDL_UnlockSensors(); + + return type; +} + +SDL_SensorType +SDL_SensorGetDeviceNonPortableType(int device_index) +{ + SDL_SensorDriver *driver; + int type = -1; + + SDL_LockSensors(); + if (SDL_GetDriverAndSensorIndex(device_index, &driver, &device_index)) { + type = driver->GetDeviceNonPortableType(device_index); + } + SDL_UnlockSensors(); + + return type; +} + +SDL_SensorID +SDL_SensorGetDeviceInstanceID(int device_index) +{ + SDL_SensorDriver *driver; + SDL_SensorID instance_id = -1; + + SDL_LockSensors(); + if (SDL_GetDriverAndSensorIndex(device_index, &driver, &device_index)) { + instance_id = driver->GetDeviceInstanceID(device_index); + } + SDL_UnlockSensors(); + + return instance_id; +} + +/* + * Open a sensor for use - the index passed as an argument refers to + * the N'th sensor on the system. This index is the value which will + * identify this sensor in future sensor events. + * + * This function returns a sensor identifier, or NULL if an error occurred. + */ +SDL_Sensor * +SDL_SensorOpen(int device_index) +{ + SDL_SensorDriver *driver; + SDL_SensorID instance_id; + SDL_Sensor *sensor; + SDL_Sensor *sensorlist; + const char *sensorname = NULL; + + SDL_LockSensors(); + + if (!SDL_GetDriverAndSensorIndex(device_index, &driver, &device_index)) { + SDL_UnlockSensors(); + return NULL; + } + + sensorlist = SDL_sensors; + /* If the sensor is already open, return it + * it is important that we have a single sensor * for each instance id + */ + instance_id = driver->GetDeviceInstanceID(device_index); + while (sensorlist) { + if (instance_id == sensorlist->instance_id) { + sensor = sensorlist; + ++sensor->ref_count; + SDL_UnlockSensors(); + return sensor; + } + sensorlist = sensorlist->next; + } + + /* Create and initialize the sensor */ + sensor = (SDL_Sensor *) SDL_calloc(sizeof(*sensor), 1); + if (sensor == NULL) { + SDL_OutOfMemory(); + SDL_UnlockSensors(); + return NULL; + } + sensor->driver = driver; + sensor->instance_id = instance_id; + sensor->type = driver->GetDeviceType(device_index); + sensor->non_portable_type = driver->GetDeviceNonPortableType(device_index); + + if (driver->Open(sensor, device_index) < 0) { + SDL_free(sensor); + SDL_UnlockSensors(); + return NULL; + } + + sensorname = driver->GetDeviceName(device_index); + if (sensorname) { + sensor->name = SDL_strdup(sensorname); + } else { + sensor->name = NULL; + } + + /* Add sensor to list */ + ++sensor->ref_count; + /* Link the sensor in the list */ + sensor->next = SDL_sensors; + SDL_sensors = sensor; + + SDL_UnlockSensors(); + + driver->Update(sensor); + + return sensor; +} + +/* + * Find the SDL_Sensor that owns this instance id + */ +SDL_Sensor * +SDL_SensorFromInstanceID(SDL_SensorID instance_id) +{ + SDL_Sensor *sensor; + + SDL_LockSensors(); + for (sensor = SDL_sensors; sensor; sensor = sensor->next) { + if (sensor->instance_id == instance_id) { + break; + } + } + SDL_UnlockSensors(); + return sensor; +} + +/* + * Checks to make sure the sensor is valid. + */ +static int +SDL_PrivateSensorValid(SDL_Sensor * sensor) +{ + int valid; + + if (sensor == NULL) { + SDL_SetError("Sensor hasn't been opened yet"); + valid = 0; + } else { + valid = 1; + } + + return valid; +} + +/* + * Get the friendly name of this sensor + */ +const char * +SDL_SensorGetName(SDL_Sensor * sensor) +{ + if (!SDL_PrivateSensorValid(sensor)) { + return NULL; + } + + return sensor->name; +} + +/* + * Get the type of this sensor + */ +SDL_SensorType +SDL_SensorGetType(SDL_Sensor * sensor) +{ + if (!SDL_PrivateSensorValid(sensor)) { + return SDL_SENSOR_INVALID; + } + + return sensor->type; +} + +/* + * Get the platform dependent type of this sensor + */ +int +SDL_SensorGetNonPortableType(SDL_Sensor * sensor) +{ + if (!SDL_PrivateSensorValid(sensor)) { + return -1; + } + + return sensor->non_portable_type; +} + +/* + * Get the instance id for this opened sensor + */ +SDL_SensorID +SDL_SensorGetInstanceID(SDL_Sensor * sensor) +{ + if (!SDL_PrivateSensorValid(sensor)) { + return -1; + } + + return sensor->instance_id; +} + +/* + * Get the current state of this sensor + */ +int +SDL_SensorGetData(SDL_Sensor * sensor, float *data, int num_values) +{ + if (!SDL_PrivateSensorValid(sensor)) { + return -1; + } + + num_values = SDL_min(num_values, SDL_arraysize(sensor->data)); + SDL_memcpy(data, sensor->data, num_values*sizeof(*data)); + return 0; +} + +/* + * Close a sensor previously opened with SDL_SensorOpen() + */ +void +SDL_SensorClose(SDL_Sensor * sensor) +{ + SDL_Sensor *sensorlist; + SDL_Sensor *sensorlistprev; + + if (!SDL_PrivateSensorValid(sensor)) { + return; + } + + SDL_LockSensors(); + + /* First decrement ref count */ + if (--sensor->ref_count > 0) { + SDL_UnlockSensors(); + return; + } + + if (SDL_updating_sensor) { + SDL_UnlockSensors(); + return; + } + + sensor->driver->Close(sensor); + sensor->hwdata = NULL; + + sensorlist = SDL_sensors; + sensorlistprev = NULL; + while (sensorlist) { + if (sensor == sensorlist) { + if (sensorlistprev) { + /* unlink this entry */ + sensorlistprev->next = sensorlist->next; + } else { + SDL_sensors = sensor->next; + } + break; + } + sensorlistprev = sensorlist; + sensorlist = sensorlist->next; + } + + SDL_free(sensor->name); + + /* Free the data associated with this sensor */ + SDL_free(sensor); + + SDL_UnlockSensors(); +} + +void +SDL_SensorQuit(void) +{ + int i; + + /* Make sure we're not getting called in the middle of updating sensors */ + SDL_assert(!SDL_updating_sensor); + + SDL_LockSensors(); + + /* Stop the event polling */ + while (SDL_sensors) { + SDL_sensors->ref_count = 1; + SDL_SensorClose(SDL_sensors); + } + + /* Quit the sensor setup */ + for (i = 0; i < SDL_arraysize(SDL_sensor_drivers); ++i) { + SDL_sensor_drivers[i]->Quit(); + } + + SDL_UnlockSensors(); + +#if !SDL_EVENTS_DISABLED + SDL_QuitSubSystem(SDL_INIT_EVENTS); +#endif + + if (SDL_sensor_lock) { + SDL_DestroyMutex(SDL_sensor_lock); + SDL_sensor_lock = NULL; + } +} + + +/* These are global for SDL_syssensor.c and SDL_events.c */ + +int +SDL_PrivateSensorUpdate(SDL_Sensor *sensor, float *data, int num_values) +{ + int posted; + + /* Allow duplicate events, for things like steps and heartbeats */ + + /* Update internal sensor state */ + num_values = SDL_min(num_values, SDL_arraysize(sensor->data)); + SDL_memcpy(sensor->data, data, num_values*sizeof(*data)); + + /* Post the event, if desired */ + posted = 0; +#if !SDL_EVENTS_DISABLED + if (SDL_GetEventState(SDL_JOYAXISMOTION) == SDL_ENABLE) { + SDL_Event event; + event.type = SDL_SENSORUPDATE; + event.sensor.which = sensor->instance_id; + num_values = SDL_min(num_values, SDL_arraysize(event.sensor.data)); + SDL_memset(event.sensor.data, 0, sizeof(event.sensor.data)); + SDL_memcpy(event.sensor.data, data, num_values*sizeof(*data)); + posted = SDL_PushEvent(&event) == 1; + } +#endif /* !SDL_EVENTS_DISABLED */ + return posted; +} + +void +SDL_SensorUpdate(void) +{ + int i; + SDL_Sensor *sensor; + + SDL_LockSensors(); + + if (SDL_updating_sensor) { + /* The sensors are already being updated */ + SDL_UnlockSensors(); + return; + } + + SDL_updating_sensor = SDL_TRUE; + + /* Make sure the list is unlocked while dispatching events to prevent application deadlocks */ + SDL_UnlockSensors(); + + for (sensor = SDL_sensors; sensor; sensor = sensor->next) { + sensor->driver->Update(sensor); + } + + SDL_LockSensors(); + + SDL_updating_sensor = SDL_FALSE; + + /* If any sensors were closed while updating, free them here */ + for (sensor = SDL_sensors; sensor; sensor = sensor->next) { + if (sensor->ref_count <= 0) { + SDL_SensorClose(sensor); + } + } + + /* this needs to happen AFTER walking the sensor list above, so that any + dangling hardware data from removed devices can be free'd + */ + for (i = 0; i < SDL_arraysize(SDL_sensor_drivers); ++i) { + SDL_sensor_drivers[i]->Detect(); + } + + SDL_UnlockSensors(); +} + +/* vi: set ts=4 sw=4 expandtab: */ diff --git a/src/sensor/SDL_sensor_c.h b/src/sensor/SDL_sensor_c.h new file mode 100644 index 000000000..eb2c99972 --- /dev/null +++ b/src/sensor/SDL_sensor_c.h @@ -0,0 +1,38 @@ +/* + Simple DirectMedia Layer + Copyright (C) 1997-2018 Sam Lantinga + + This software is provided 'as-is', without any express or implied + warranty. In no event will the authors be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + 3. This notice may not be removed or altered from any source distribution. +*/ +#include "SDL_config.h" + +struct _SDL_SensorDriver; + +/* Useful functions and variables from SDL_sensor.c */ +#include "SDL_sensor.h" + +/* Function to get the next available sensor instance ID */ +extern SDL_SensorID SDL_GetNextSensorInstanceID(void); + +/* Initialization and shutdown functions */ +extern int SDL_SensorInit(void); +extern void SDL_SensorQuit(void); + +/* Internal event queueing functions */ +extern int SDL_PrivateSensorUpdate(SDL_Sensor *sensor, float *data, int num_values); + +/* vi: set ts=4 sw=4 expandtab: */ diff --git a/src/sensor/SDL_syssensor.h b/src/sensor/SDL_syssensor.h new file mode 100644 index 000000000..39dffe033 --- /dev/null +++ b/src/sensor/SDL_syssensor.h @@ -0,0 +1,97 @@ +/* + Simple DirectMedia Layer + Copyright (C) 1997-2018 Sam Lantinga + + This software is provided 'as-is', without any express or implied + warranty. In no event will the authors be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + 3. This notice may not be removed or altered from any source distribution. +*/ +#include "SDL_config.h" + +/* This is the system specific header for the SDL sensor API */ + +#include "SDL_sensor.h" +#include "SDL_sensor_c.h" + +/* The SDL sensor structure */ +struct _SDL_Sensor +{ + SDL_SensorID instance_id; /* Device instance, monotonically increasing from 0 */ + char *name; /* Sensor name - system dependent */ + SDL_SensorType type; /* Type of the sensor */ + int non_portable_type; /* Platform dependent type of the sensor */ + + float data[16]; /* The current state of the sensor */ + + struct _SDL_SensorDriver *driver; + + struct sensor_hwdata *hwdata; /* Driver dependent information */ + + int ref_count; /* Reference count for multiple opens */ + + struct _SDL_Sensor *next; /* pointer to next sensor we have allocated */ +}; + +typedef struct _SDL_SensorDriver +{ + /* Function to scan the system for sensors. + * sensor 0 should be the system default sensor. + * This function should return 0, or -1 on an unrecoverable fatal error. + */ + int (*Init)(void); + + /* Function to return the number of sensors available right now */ + int (*GetCount)(void); + + /* Function to check to see if the available sensors have changed */ + void (*Detect)(void); + + /* Function to get the device-dependent name of a sensor */ + const char *(*GetDeviceName)(int device_index); + + /* Function to get the type of a sensor */ + SDL_SensorType (*GetDeviceType)(int device_index); + + /* Function to get the platform dependent type of a sensor */ + int (*GetDeviceNonPortableType)(int device_index); + + /* Function to get the current instance id of the sensor located at device_index */ + SDL_SensorID (*GetDeviceInstanceID)(int device_index); + + /* Function to open a sensor for use. + The sensor to open is specified by the device index. + It returns 0, or -1 if there is an error. + */ + int (*Open)(SDL_Sensor * sensor, int device_index); + + /* Function to update the state of a sensor - called as a device poll. + * This function shouldn't update the sensor structure directly, + * but instead should call SDL_PrivateSensorUpdate() to deliver events + * and update sensor device state. + */ + void (*Update)(SDL_Sensor * sensor); + + /* Function to close a sensor after use */ + void (*Close)(SDL_Sensor * sensor); + + /* Function to perform any system-specific sensor related cleanup */ + void (*Quit)(void); + +} SDL_SensorDriver; + +/* The available sensor drivers */ +extern SDL_SensorDriver SDL_ANDROID_SensorDriver; + +/* vi: set ts=4 sw=4 expandtab: */ diff --git a/src/sensor/android/SDL_androidsensor.c b/src/sensor/android/SDL_androidsensor.c new file mode 100644 index 000000000..f4344e0e5 --- /dev/null +++ b/src/sensor/android/SDL_androidsensor.c @@ -0,0 +1,211 @@ +/* + Simple DirectMedia Layer + Copyright (C) 1997-2018 Sam Lantinga + + This software is provided 'as-is', without any express or implied + warranty. In no event will the authors be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + 3. This notice may not be removed or altered from any source distribution. +*/ + +#include "SDL_config.h" + +#ifdef SDL_SENSOR_ANDROID + +/* This is the system specific header for the SDL sensor API */ +#include + +#include "SDL_error.h" +#include "SDL_sensor.h" +#include "SDL_androidsensor.h" +#include "../SDL_syssensor.h" +#include "../SDL_sensor_c.h" +//#include "../../core/android/SDL_android.h" + +#ifndef LOOPER_ID_USER +#define LOOPER_ID_USER 3 +#endif + +typedef struct +{ + ASensorRef asensor; + SDL_SensorID instance_id; +} SDL_AndroidSensor; + +static ASensorManager* SDL_sensor_manager; +static ALooper* SDL_sensor_looper; +static SDL_AndroidSensor *SDL_sensors; +static int SDL_sensors_count; + +static int +SDL_ANDROID_SensorInit(void) +{ + int i, sensors_count; + ASensorList sensors; + + SDL_sensor_manager = ASensorManager_getInstance(); + if (!SDL_sensor_manager) { + return SDL_SetError("Couldn't create sensor manager"); + } + + SDL_sensor_looper = ALooper_forThread(); + if (!SDL_sensor_looper) { + SDL_sensor_looper = ALooper_prepare(ALOOPER_PREPARE_ALLOW_NON_CALLBACKS); + if (!SDL_sensor_looper) { + return SDL_SetError("Couldn't create sensor event loop"); + } + } + + /* FIXME: Is the sensor list dynamic? */ + sensors_count = ASensorManager_getSensorList(SDL_sensor_manager, &sensors); + if (sensors_count > 0) { + SDL_sensors = (SDL_AndroidSensor *)SDL_calloc(sensors_count, sizeof(*SDL_sensors)); + if (!SDL_sensors) { + return SDL_OutOfMemory(); + } + + for (i = 0; i < sensors_count; ++i) { + SDL_sensors[i].asensor = sensors[i]; + SDL_sensors[i].instance_id = SDL_GetNextSensorInstanceID(); + } + SDL_sensors_count = sensors_count; + } + return 0; +} + +static int +SDL_ANDROID_SensorGetCount(void) +{ + return SDL_sensors_count; +} + +static void +SDL_ANDROID_SensorDetect(void) +{ +} + +static const char * +SDL_ANDROID_SensorGetDeviceName(int device_index) +{ + return ASensor_getName(SDL_sensors[device_index].asensor); +} + +static SDL_SensorType +SDL_ANDROID_SensorGetDeviceType(int device_index) +{ + switch (ASensor_getType(SDL_sensors[device_index].asensor)) { + case 0x00000001: + return SDL_SENSOR_ACCEL; + case 0x00000004: + return SDL_SENSOR_GYRO; + default: + return SDL_SENSOR_UNKNOWN; + } +} + +static int +SDL_ANDROID_SensorGetDeviceNonPortableType(int device_index) +{ + return ASensor_getType(SDL_sensors[device_index].asensor); +} + +static SDL_SensorID +SDL_ANDROID_SensorGetDeviceInstanceID(int device_index) +{ + return SDL_sensors[device_index].instance_id; +} + +static int +SDL_ANDROID_SensorOpen(SDL_Sensor *sensor, int device_index) +{ + struct sensor_hwdata *hwdata; + + hwdata = (struct sensor_hwdata *)SDL_calloc(1, sizeof(*hwdata)); + if (hwdata == NULL) { + return SDL_OutOfMemory(); + } + + hwdata->asensor = SDL_sensors[device_index].asensor; + hwdata->eventqueue = ASensorManager_createEventQueue(SDL_sensor_manager, SDL_sensor_looper, LOOPER_ID_USER, NULL, NULL); + if (!hwdata->eventqueue) { + SDL_free(hwdata); + return SDL_SetError("Couldn't create sensor event queue"); + } + + if (ASensorEventQueue_enableSensor(hwdata->eventqueue, hwdata->asensor) < 0) { + ASensorManager_destroyEventQueue(SDL_sensor_manager, hwdata->eventqueue); + SDL_free(hwdata); + return SDL_SetError("Couldn't enable sensor"); + } + + /* FIXME: What rate should we set for this sensor? 60 FPS? Let's try the default rate for now... */ + + sensor->hwdata = hwdata; + return 0; +} + +static void +SDL_ANDROID_SensorUpdate(SDL_Sensor* sensor) +{ + int events; + ASensorEvent event; + struct android_poll_source* source; + + if (ALooper_pollAll(0, NULL, &events, (void**)&source) == LOOPER_ID_USER) { + SDL_zero(event); + while (ASensorEventQueue_getEvents(sensor->hwdata->eventqueue, &event, 1) > 0) { + SDL_PrivateSensorUpdate(sensor, event.data, SDL_arraysize(event.data)); + } + } +} + +static void +SDL_ANDROID_SensorClose(SDL_Sensor * sensor) +{ + if (sensor->hwdata) { + ASensorEventQueue_disableSensor(sensor->hwdata->eventqueue, sensor->hwdata->asensor); + ASensorManager_destroyEventQueue(SDL_sensor_manager, sensor->hwdata->eventqueue); + SDL_free(sensor->hwdata); + sensor->hwdata = NULL; + } +} + +static void +SDL_ANDROID_SensorQuit(void) +{ + if (SDL_sensors) { + SDL_free(SDL_sensors); + SDL_sensors = NULL; + SDL_sensors_count = 0; + } +} + +SDL_SensorDriver SDL_ANDROID_SensorDriver = +{ + SDL_ANDROID_SensorInit, + SDL_ANDROID_SensorGetCount, + SDL_ANDROID_SensorDetect, + SDL_ANDROID_SensorGetDeviceName, + SDL_ANDROID_SensorGetDeviceType, + SDL_ANDROID_SensorGetDeviceNonPortableType, + SDL_ANDROID_SensorGetDeviceInstanceID, + SDL_ANDROID_SensorOpen, + SDL_ANDROID_SensorUpdate, + SDL_ANDROID_SensorClose, + SDL_ANDROID_SensorQuit, +}; + +#endif /* SDL_SENSOR_ANDROID */ + +/* vi: set ts=4 sw=4 expandtab: */ diff --git a/src/sensor/android/SDL_androidsensor.h b/src/sensor/android/SDL_androidsensor.h new file mode 100644 index 000000000..c65002edf --- /dev/null +++ b/src/sensor/android/SDL_androidsensor.h @@ -0,0 +1,31 @@ +/* + Simple DirectMedia Layer + Copyright (C) 1997-2018 Sam Lantinga + + This software is provided 'as-is', without any express or implied + warranty. In no event will the authors be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely, subject to the following restrictions: + + 1. The origin of this software must not be misrepresented; you must not + claim that you wrote the original software. If you use this software + in a product, an acknowledgment in the product documentation would be + appreciated but is not required. + 2. Altered source versions must be plainly marked as such, and must not be + misrepresented as being the original software. + 3. This notice may not be removed or altered from any source distribution. +*/ +#include "SDL_config.h" + +/* The private structure used to keep track of a sensor */ +struct sensor_hwdata +{ + ASensorRef asensor; + ASensorEventQueue *eventqueue; +}; + + +/* vi: set ts=4 sw=4 expandtab: */ diff --git a/test/Makefile.in b/test/Makefile.in index bc9c24ab9..9a819bb8b 100644 --- a/test/Makefile.in +++ b/test/Makefile.in @@ -55,6 +55,7 @@ TARGETS = \ testrumble$(EXE) \ testscale$(EXE) \ testsem$(EXE) \ + testsensor$(EXE) \ testshader$(EXE) \ testshape$(EXE) \ testsprite2$(EXE) \ @@ -240,6 +241,9 @@ testscale$(EXE): $(srcdir)/testscale.c testsem$(EXE): $(srcdir)/testsem.c $(CC) -o $@ $^ $(CFLAGS) $(LIBS) +testsensor$(EXE): $(srcdir)/testsensor.c + $(CC) -o $@ $^ $(CFLAGS) $(LIBS) + testshader$(EXE): $(srcdir)/testshader.c $(CC) -o $@ $^ $(CFLAGS) $(LIBS) @GLLIB@ @MATHLIB@ diff --git a/test/testsensor.c b/test/testsensor.c new file mode 100644 index 000000000..00bfd137d --- /dev/null +++ b/test/testsensor.c @@ -0,0 +1,117 @@ +/* + Copyright (C) 1997-2018 Sam Lantinga + + This software is provided 'as-is', without any express or implied + warranty. In no event will the authors be held liable for any damages + arising from the use of this software. + + Permission is granted to anyone to use this software for any purpose, + including commercial applications, and to alter it and redistribute it + freely. +*/ + +/* Simple test of the SDL sensor code */ + +#include "SDL.h" + +static const char *GetSensorTypeString(SDL_SensorType type) +{ + static char unknown_type[64]; + + switch (type) + { + case SDL_SENSOR_INVALID: + return "SDL_SENSOR_INVALID"; + case SDL_SENSOR_UNKNOWN: + return "SDL_SENSOR_UNKNOWN"; + case SDL_SENSOR_ACCEL: + return "SDL_SENSOR_ACCEL"; + case SDL_SENSOR_GYRO: + return "SDL_SENSOR_GYRO"; + default: + SDL_snprintf(unknown_type, sizeof(unknown_type), "UNKNOWN (%d)", type); + return unknown_type; + } +} + +static void HandleSensorEvent(SDL_SensorEvent *event) +{ + SDL_Sensor *sensor = SDL_SensorFromInstanceID(event->which); + if (!sensor) { + SDL_Log("Couldn't get sensor for sensor event\n"); + return; + } + + switch (SDL_SensorGetType(sensor)) { + case SDL_SENSOR_ACCEL: + SDL_Log("Accelerometer update: %.2f, %.2f, %.2f\n", event->data[0], event->data[1], event->data[2]); + break; + case SDL_SENSOR_GYRO: + SDL_Log("Gyro update: %.2f, %.2f, %.2f\n", event->data[0], event->data[1], event->data[2]); + break; + default: + SDL_Log("Sensor update for sensor type %s\n", GetSensorTypeString(SDL_SensorGetType(sensor))); + break; + } +} + +int +main(int argc, char **argv) +{ + int i; + int num_sensors, num_opened; + + /* Load the SDL library */ + if (SDL_Init(SDL_INIT_SENSOR) < 0) { + SDL_Log("Couldn't initialize SDL: %s\n", SDL_GetError()); + return (1); + } + + num_sensors = SDL_NumSensors(); + num_opened = 0; + + SDL_Log("There are %d sensors available\n", num_sensors); + for (i = 0; i < num_sensors; ++i) { + SDL_Log("Sensor %d: %s, type %s, platform type %d\n", + SDL_SensorGetDeviceInstanceID(i), + SDL_SensorGetDeviceName(i), + GetSensorTypeString(SDL_SensorGetDeviceType(i)), + SDL_SensorGetDeviceNonPortableType(i)); + + if (SDL_SensorGetDeviceType(i) != SDL_SENSOR_UNKNOWN) { + SDL_Sensor *sensor = SDL_SensorOpen(i); + if (sensor == NULL) { + SDL_Log("Couldn't open sensor %d: %s\n", SDL_SensorGetDeviceInstanceID(i), SDL_GetError()); + } else { + ++num_opened; + } + } + } + SDL_Log("Opened %d sensors\n", num_opened); + + if (num_opened > 0) { + SDL_bool done = SDL_FALSE; + SDL_Event event; + + SDL_CreateWindow("Sensor Test", 0, 0, 0, 0, SDL_WINDOW_FULLSCREEN_DESKTOP); + while (!done) { + while (SDL_PollEvent(&event) > 0) { + switch (event.type) { + case SDL_SENSORUPDATE: + HandleSensorEvent(&event.sensor); + break; + case SDL_MOUSEBUTTONUP: + case SDL_KEYUP: + case SDL_QUIT: + done = SDL_TRUE; + break; + default: + break; + } + } + } + } + + SDL_Quit(); + return (0); +}