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[taler-taler-mdb] 90/93: backlight on/off added
From: |
gnunet |
Subject: |
[taler-taler-mdb] 90/93: backlight on/off added |
Date: |
Mon, 18 Nov 2019 21:13:53 +0100 |
This is an automated email from the git hooks/post-receive script.
marco-boss pushed a commit to branch master
in repository taler-mdb.
commit a7b2536c88432536abc17994bc33201825dd8630
Author: Boss Marco <address@hidden>
AuthorDate: Sat Nov 16 14:42:00 2019 +0100
backlight on/off added
---
src/main.c | 32 +++++++++++++++++++++++++++++---
1 file changed, 29 insertions(+), 3 deletions(-)
diff --git a/src/main.c b/src/main.c
index 07aae62..6c0dfa3 100644
--- a/src/main.c
+++ b/src/main.c
@@ -54,6 +54,8 @@ along with
#include <sys/ioctl.h>
#include <fcntl.h>
#include <linux/fb.h>
+#include <linux/gpio.h>
+
/**
* Disable i18n support.
@@ -146,6 +148,8 @@ struct Display
{
int devicefd;
+ int backlightfd;
+
uint16_t *memory;
struct fb_var_screeninfo orig_vinfo;
@@ -262,14 +266,18 @@ show_qrcode (const char *uri)
unsigned int xoff = x * nwidth / size;
unsigned int yoff = y * nwidth / size;
unsigned int off = xoff + yoff * qrc->width;
- if ( (xoff >= qrc->width) ||
- (yoff >= qrc->width) )
+ if ( (xoff >= (unsigned) qrc->width) ||
+ (yoff >= (unsigned) qrc->width) )
continue;
qrDisplay.memory[(y + yOff) * qrDisplay.var_info.xres + (x + xOff)] =
(0 == (qrc->data[off] & 1)) ? 0xFFFF : 0x0000;
}
+
QRcode_free (qrc);
QRinput_free (qri);
+
+ if (0 < qrDisplay.backlightfd)
+ write (qrDisplay.backlightfd, "1", 1);
}
#endif
@@ -299,7 +307,8 @@ cleanup_payment (struct PaymentActivity *pa)
0xFF,
qrDisplay.var_info.xres * qrDisplay.var_info.yres
* sizeof (uint16_t));
- /* FIXME: dimm background light of display */
+ if (0 < qrDisplay.backlightfd)
+ write (qrDisplay.backlightfd, "0", 1);
#endif
GNUNET_free (pa->taler_pay_uri);
}
@@ -1069,6 +1078,23 @@ run (void *cls,
"failed to map display memory\n");
return;
}
+
+ memset (qrDisplay.memory,
+ 0xFF,
+ qrDisplay.var_info.xres * qrDisplay.var_info.yres
+ * sizeof (uint16_t));
+
+ qrDisplay.backlightfd = open (
+ "/sys/class/backlight/soc:backlight/brightness", O_WRONLY);
+ if (0 > qrDisplay.backlightfd)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ "failed to load
\"/sys/class/backlight/soc:backlight/brightness\", display backlight will not
be changed\n");
+ }
+ else
+ {
+ write (qrDisplay.backlightfd, "0", 1);
+ }
}
else
{
--
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- [taler-taler-mdb] 76/93: see stuff, (continued)
- [taler-taler-mdb] 76/93: see stuff, gnunet, 2019/11/18
- [taler-taler-mdb] 89/93: log levels, gnunet, 2019/11/18
- [taler-taler-mdb] 85/93: see stuff, gnunet, 2019/11/18
- [taler-taler-mdb] 78/93: see stuff, gnunet, 2019/11/18
- [taler-taler-mdb] 77/93: see stuff, gnunet, 2019/11/18
- [taler-taler-mdb] 84/93: see stuff, gnunet, 2019/11/18
- [taler-taler-mdb] 79/93: see stuff, gnunet, 2019/11/18
- [taler-taler-mdb] 71/93: see stuff, gnunet, 2019/11/18
- [taler-taler-mdb] 88/93: log levels, gnunet, 2019/11/18
- [taler-taler-mdb] 92/93: close diplay fd's, gnunet, 2019/11/18
- [taler-taler-mdb] 90/93: backlight on/off added,
gnunet <=
- [taler-taler-mdb] 69/93: see stuff, gnunet, 2019/11/18
- [taler-taler-mdb] 83/93: see stuff, gnunet, 2019/11/18
- [taler-taler-mdb] 86/93: see stuff, gnunet, 2019/11/18
- [taler-taler-mdb] 91/93: removed unessecary include, gnunet, 2019/11/18
- [taler-taler-mdb] 93/93: merged refactor, gnunet, 2019/11/18
- [taler-taler-mdb] 73/93: see stuff, gnunet, 2019/11/18
- [taler-taler-mdb] 87/93: see stuff, gnunet, 2019/11/18
- [taler-taler-mdb] 81/93: see stuff, gnunet, 2019/11/18