spoon

set dwm status
git clone git://git.2f30.org/spoon.git
Log | Files | Refs | LICENSE

commit 9a248ae02783160a7d78adc151d065f3276055c1
parent ab74543a5e74287d11500dfbd7483dc88069e2b3
Author: Lucas Gabriel Vuotto <lgv@nanashi.co>
Date:   Sat, 14 Oct 2017 14:04:10 -0300

Add screen brightness sensor

Signed-off-by: Lucas Gabriel Vuotto <lgv@nanashi.co>

Diffstat:
Makefile | 4++--
brightness.c | 38++++++++++++++++++++++++++++++++++++++
spoon.c | 1+
stub.c | 7+++++++
4 files changed, 48 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile @@ -1,9 +1,9 @@ VERSION = 0.5 PREFIX = /usr/local SRC = spoon.c batt.c wifi.c cpu.c temp.c date.c load.c file.c key.c\ - netspeed.c strlcpy.c strlcat.c stub.c mix.c xkblayout.c mpd.c + netspeed.c strlcpy.c strlcat.c stub.c mix.c xkblayout.c mpd.c brightness.c OBJ = spoon.o batt.o wifi.o cpu.o temp.o date.o load.o file.o key.o\ - netspeed.o strlcpy.o strlcat.o stub.o + netspeed.o strlcpy.o strlcat.o stub.o brightness.o BIN = spoon DISTFILES = $(SRC) types.h util.h config.def.h Makefile LICENSE configure diff --git a/brightness.c b/brightness.c @@ -0,0 +1,38 @@ +#include <err.h> +#include <stdio.h> + +#ifdef __OpenBSD__ +#include <sys/ioctl.h> +#include <fcntl.h> +#include <time.h> +#include <unistd.h> +#include <dev/wscons/wsconsio.h> + +int +brightnessread(void *arg, char *buf, size_t len) +{ + struct wsdisplay_param dpyp; + int fd; + + if ((fd = open("/dev/ttyC0", O_RDONLY)) == -1) { + warn("couldn't open /dev/ttyC0"); + return -1; + } + dpyp.param = WSDISPLAYIO_PARAM_BRIGHTNESS; + if (ioctl(fd, WSDISPLAYIO_GETPARAM, &dpyp) == -1) { + warn("WSDISPLAYIO_PARAM_BRIGHTNESS ioctl"); + return -1; + } + close(fd); + snprintf(buf, len, "%3d%%", + 100 * (dpyp.curval - dpyp.min) / (dpyp.max - dpyp.min)); + + return 0; +} +#elif __linux__ +int +brightnessread(void *arg, char *buf, size_t len) +{ + return -1; +} +#endif diff --git a/spoon.c b/spoon.c @@ -21,6 +21,7 @@ int xkblayoutread(void *, char *, size_t); int fileread(void *, char *, size_t); int keyread(void *, char *, size_t); int netspeedread(void *, char *, size_t); +int brightnessread(void *, char *, size_t); struct ent { char *fmt; diff --git a/stub.c b/stub.c @@ -69,3 +69,10 @@ netspeedread(void *arg, char *buf, size_t len) { return -1; } + +#pragma weak brightnessread +int +brightnessread(void *arg, char *buf, size_t len) +{ + return -1; +}