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The SLCD driver is now fully functional for Sure PIC32MX board

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This commit is contained in:
Gregory Nutt 2013-05-27 11:39:13 -06:00
parent 819e151ef5
commit 2dae842445
2 changed files with 26 additions and 4 deletions
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8
ChangeLog.txt
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@ -85,7 +85,7 @@
* apps/examples/usbstorage: Can now be built as two NSH "built-in" commands: * apps/examples/usbstorage: Can now be built as two NSH "built-in" commands:
'msconn' will connect the USB mass storage device; 'msdis' will disconnect 'msconn' will connect the USB mass storage device; 'msdis' will disconnect
the USB storage device. the USB storage device.
* apps/examples/nx*: All NX header files moved from nuttx/include/nuttx to * apps/examples/nx*: All NX header files moved from nuttx/include/nuttx to
nuttx/include/nuttx/nx. nuttx/include/nuttx/nx.
* apps/examples/usbstorage: Added instrumentation to monitor memory usage * apps/examples/usbstorage: Added instrumentation to monitor memory usage
to check for memory leaks in the USB storage driver. to check for memory leaks in the USB storage driver.
@ -116,7 +116,7 @@
* apps/examples/lcdrw: Add a test to verify if you can or can or read * apps/examples/lcdrw: Add a test to verify if you can or can or read
data from an LCD correctly. data from an LCD correctly.
* apps/examples/usbterm: A USB terminal example.. more of a USB chat or * apps/examples/usbterm: A USB terminal example.. more of a USB chat or
serial bridge: Data received on local console echoed via USB serial; serial bridge: Data received on local console echoed via USB serial;
data received on USB serial is echoed on the local console. data received on USB serial is echoed on the local console.
* apps/examples/touchscreen: Add a simple, generic test for any * apps/examples/touchscreen: Add a simple, generic test for any
touschscreen driver. touschscreen driver.
@ -301,7 +301,7 @@
moved from apps/netutils/webserver/makefsdata to nuttx/tools/mkfsdata.pl moved from apps/netutils/webserver/makefsdata to nuttx/tools/mkfsdata.pl
(Part of a larger change submitted by Max Holtzberg). (Part of a larger change submitted by Max Holtzberg).
* apps/netutils/webserver, apps/examples/uip, and apps/include/netutils/httpd.h: * apps/netutils/webserver, apps/examples/uip, and apps/include/netutils/httpd.h:
The "canned" version of the uIP web servers content that was at The "canned" version of the uIP web servers content that was at
netutils/webserver/httpd_fsdata.c has been replaced with a dynamically netutils/webserver/httpd_fsdata.c has been replaced with a dynamically
built configuration located at apps/examples/uip (Contributed by built configuration located at apps/examples/uip (Contributed by
Max Holtzberg). Max Holtzberg).
@ -564,3 +564,5 @@
segment LCDs (2013-5-24). segment LCDs (2013-5-24).
* apps/examples/slcd: Extend SLCD test to handle multi-line displays * apps/examples/slcd: Extend SLCD test to handle multi-line displays
(2013-5-26). (2013-5-26).
* apps/examples/slcd: This test now sets the SLCD brightness level to
the mid-point as part of its initialization (2013-5-27).

22
examples/slcd/slcd_main.c
View File

@ -279,6 +279,8 @@ int slcd_main(int argc, char *argv[])
if (!priv->initialized) if (!priv->initialized)
{ {
unsigned long brightness;
/* Initialize the output stream */ /* Initialize the output stream */
memset(priv, 0, sizeof(struct slcd_test_s)); memset(priv, 0, sizeof(struct slcd_test_s));
@ -296,8 +298,11 @@ int slcd_main(int argc, char *argv[])
goto errout_with_fd; goto errout_with_fd;
} }
printf("Geometry rows: %d columns: %d nbars: %d\n", printf("Attributes:\n");
printf(" rows: %d columns: %d nbars: %d\n",
priv->attr.nrows, priv->attr.ncolumns, priv->attr.nbars); priv->attr.nrows, priv->attr.ncolumns, priv->attr.nbars);
printf(" max contrast: %d max brightness: %d\n",
priv->attr.maxcontrast, priv->attr.maxbrightness);
/* Home the cursor and clear the display */ /* Home the cursor and clear the display */
@ -305,6 +310,21 @@ int slcd_main(int argc, char *argv[])
slcd_encode(SLCDCODE_CLEAR, 0, &priv->stream); slcd_encode(SLCDCODE_CLEAR, 0, &priv->stream);
slcd_flush(&priv->stream); slcd_flush(&priv->stream);
/* Set the brightness to the mid value */
brightness = ((unsigned long)priv->attr.maxbrightness + 1) >> 1;
printf("Set brightness to %ld\n", brightness);
ret = ioctl(fd, SLCDIOC_SETBRIGHTNESS, brightness);
if (ret < 0)
{
/* Report the ioctl failure, but do not error out. Some SLCDs
* do not support brightness settings.
*/
printf("ioctl(SLCDIOC_GETATTRIBUTES) failed: %d\n", errno);
}
priv->initialized = true; priv->initialized = true;
} }