nxgl_splitlineapps/examples/nxlines.
+ apps/examples/nxlines.
+ Generally works well, but has some accuracy/overflow problems wide lines
+ that are nearly horizontal.
+ There is a "fudge factor" that seems to eliminate the problem,
+ but there could still be issues in some configurations.
nxgl_circleptsLast Updated: August 19, 2011
+Last Updated: August 24, 2011
FreeScale Kinetics K40. - This port uses the Freescale Kinetis KwiStick K40. + This port uses the Freescale Kinetis KwikStik K40. Refer to the Freescale web site for further information about this board. The Kwikstik is used with the FreeScale Tower System (mostly just to provide a simple UART connection)
STATUS: + The unverified KwikStik K40 first appeared in NuttX-6.8 As of this writing, the basic port is complete but I accidentally locked my board during the initial bringup. Further development is stalled unless I learn how to unlock the device (or until I get another K40). Additional work remaining includes, among other things: (1) complete the basic bring-up, @@ -1583,12 +1584,12 @@ As of this writing, the basic port is complete and passes the NuttX OS test. An additional, validated configuration exists for the NuttShell (NSH, see the NSH User Guide). - And Ethernet driver also exists, but has not yet been integrated. - Additional work remaining includes: (1) integrate the Ethernet driver, - (3) develop support for the SDHC-based SD card, and - (4) develop support for USB host and device. - NOTE: Most of these remaining tasks (excluding the Ethernet driver) are the - same as the pending K40 tasks described above. + This basic TWR-K60N512 first appeared in NuttX-6.8. + Ethernet and SD card (SDHC) drivers also exist: + The SDHC driver is partially integrated in to the NSH configuration but has some outstanding issues; + the Ethernet driver is completely untested. + Additional work remaining includes: (1) integrate the Ethernet and SDHC drivers, and (2) develop support for USB host and device. + NOTE: Most of these remaining tasks (excluding the Ethernet driver) are the same as the pending K40 tasks described above.
-nuttx-6.9 2011-08-19 Gregory Nutt <spudmonkey@racsa.co.cr>
+nuttx-6.8 2011-08-19 Gregory Nutt <spudmonkey@racsa.co.cr>
* arch/arm/src/lpc17xx/chip.h: Fix some chip memory configuration errors
for the LPC1764, LPC1756, and LPC1754 (submitted by Li Zhuoy (Lzzy))
@@ -2530,7 +2531,7 @@ nuttx-6.9 2011-08-19 Gregory Nutt <spudmonkey@racsa.co.cr>
Separate configs/rgmp/x86 and configs/rgmp/arm configuration directory, and
(2) Extract architecture dependent code in arch/rgmp/include and
arch/rgmp/src into corresponding x86/ and arm/ directories.
- * arch/arm/src/kinetis, arch/arm/include/kinetis, configs/kwikstick-k40:
+ * arch/arm/src/kinetis, arch/arm/include/kinetis, configs/kwikstik-k40:
Add a directory structure to support the port to the Kinetis KwikStik-K40.
There is no real substance in the initial check-in; only the directory
structure and skeleton files (Code complete on 8/15/11).
@@ -2562,7 +2563,7 @@ nuttx-6.9 2011-08-19 Gregory Nutt <spudmonkey@racsa.co.cr>
* configs/twr-k60n512/nsh: Added and verified a NuttShell (NSH)
configuration for the Freescale, Kinetis TWR-K60N512 board.
-apps-6.9 2011-08-19 Gregory Nutt <spudmonkey@racsa.co.cr>
+apps-6.8 2011-08-19 Gregory Nutt <spudmonkey@racsa.co.cr>
* apps/examples/nxlines: Added a test for NX line drawing capabilities.
@@ -2609,8 +2610,19 @@ buildroot-1.10 2011-05-06 <spudmonkey@racsa.co.cr>
nuttx-6.9 2011-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr>
+ * arch/arm/src/kinetis/kinetis_sdhc.c: SDHC driver for Kinetis parts.
+ Initially check-in is just a crude port of the STM32 SDIO driver.
+ Much more is needed.
+ * graphics/, include/nuttx/nx: Add new NX interfaces for drawing
+ circles -- both circular outlines and filled circles.
+ * graphic/nxglib/nxglib_spitline.c: Add a "fudge factor" that eliminates
+ some problems for rendering nearly horizontal, wide lines.
+
apps-6.9 2011-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr>
+ * apps/examples/nxlines: Extend the line drawing text to include drawing
+ of circles.
+
pascal-3.1 2011-xx-xx Gregory Nutt <spudmonkey@racsa.co.cr>
buildroot-1.11 2011-xx-xx <spudmonkey@racsa.co.cr>
diff --git a/TODO b/TODO
index acab46733f..719c403296 100644
--- a/TODO
+++ b/TODO
@@ -1,4 +1,4 @@
-NuttX TODO List (Last updated August 22, 2011)
+NuttX TODO List (Last updated August 24, 2011)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
nuttx/
@@ -67,6 +67,7 @@ o Task/Scheduler (sched/)
Description: Implement sys/wait.h and functions. Consider implementing wait,
waitpid, waitid. At present, a parent has no information about
child tasks.
+
Update: A simple but usable version of waitpid() has been included.
This version is not compliant with all specifications and can be
enabled with CONFIG_SCHED_WAITPID.
@@ -1348,20 +1349,3 @@ o Other Applications & Tests (apps/examples/)
the artifact is larger.
Status: Open
Priority: Medium.
-
- Description: examples/nxlines. There is an error in the line rendering
- on the 24th step (270 degrees). At that point, the
- calculated position is just a bit from being horizontal.
- Using configuration configs/stm3210e-eval/nxlines, I see:
-
- sin: ffff0000 cos: ffffffed radius: 76 halfx: -76 halfy: -1
-
- And the resulting almost horizontal line:
-
- vector: (44,159)->(196,161)
-
- is rendered incorrectly every time around. Looks like logic
- in nxgl_splitlines malfunctioned.
-
- Status: Open
- Priority: Medium/High
\ No newline at end of file
diff --git a/configs/twr-k60n512/README.txt b/configs/twr-k60n512/README.txt
index 794820845e..a907c556b1 100644
--- a/configs/twr-k60n512/README.txt
+++ b/configs/twr-k60n512/README.txt
@@ -614,3 +614,31 @@ Where is one of the following:
using the DFU bootloader.
CONFIG_KINETIS_BUILDROOT=y : NuttX buildroot under Linux or Cygwin
+
+ nsh:
+ ---
+ Configures the NuttShell (nsh) located at apps/examples/nsh. The
+ Configuration enables both the serial and telnet NSH interfaces.
+ Support for the board's SPI-based MicroSD card is included
+ (but not passing tests as of this writing).
+
+ NOTE: An SDHC driver is underwork and can be enabled in the NSH
+ configuration for further testing be setting the following
+ configuration faluesas follows:
+
+ -CONFIG_KINETIS_SDHC=n
+ +CONFIG_KINETIS_SDHC=y # Enable the SDHC driver
+
+ -CONFIG_GPIO_IRQ=n
+ +CONFIG_GPIO_IRQ=y # Enable GPIO interrupts
+
+ -CONFIG_KINETIS_PORTEINTS=n
+ +CONFIG_KINETIS_PORTEINTS=y # Enable PortE GPIO interrupts
+
+ -CONFIG_SCHED_WORKQUEUE=n
+ +CONFIG_SCHED_WORKQUEUE=y # Enable the NuttX workqueue
+
+ -CONFIG_NSH_ARCHINIT=n
+ +CONFIG_NSH_ARCHINIT=y # Provide NSH intialization logic
+
+
diff --git a/configs/twr-k60n512/nsh/defconfig b/configs/twr-k60n512/nsh/defconfig
index 76569ab6f2..dda77f50f4 100644
--- a/configs/twr-k60n512/nsh/defconfig
+++ b/configs/twr-k60n512/nsh/defconfig
@@ -399,6 +399,7 @@ CONFIG_HAVE_LIBM=n
CONFIG_DEBUG=n
CONFIG_DEBUG_VERBOSE=n
CONFIG_DEBUG_SYMBOLS=n
+CONFIG_DEBUG_FS=n
CONFIG_MM_REGIONS=1
CONFIG_ARCH_LOWPUTC=y
CONFIG_RR_INTERVAL=200
@@ -609,6 +610,7 @@ CONFIG_FS_WRITEBUFFER=n
# SDIO driver card detection is 100% accurate
#
CONFIG_SDIO_DMA=n
+CONFIG_SDIO_XFRDEBUG=n
CONFIG_MMCSD_MMCSUPPORT=n
CONFIG_MMCSD_HAVECARDDETECT=n
diff --git a/graphics/nxglib/nxglib_splitline.c b/graphics/nxglib/nxglib_splitline.c
index 5bace1448b..eff516db38 100644
--- a/graphics/nxglib/nxglib_splitline.c
+++ b/graphics/nxglib/nxglib_splitline.c
@@ -48,6 +48,8 @@
* Pre-Processor Definitions
****************************************************************************/
+#define SMALL_SIN 1966 /* 1966/65536 = 0.03 */
+
/****************************************************************************
* Private Types
****************************************************************************/
@@ -231,14 +233,14 @@ int nxgl_splitline(FAR struct nxgl_vector_s *vector,
/* If the sine of the angle is tiny (i.e., the line is nearly horizontal),
* then we cannot compute the adjusted width. In this case, just use
- * the width of the line (not very good estimate -- need to revisit).
+ * the width of the line bounding box.
*/
sinangle = b16sin(angle);
- if (sinangle == 0)
+ if (sinangle < SMALL_SIN)
{
adjwidth = itob16(iwidth);
- xoffset = adjwidth;
+ xoffset = 0;
}
else
{
@@ -246,6 +248,7 @@ int nxgl_splitline(FAR struct nxgl_vector_s *vector,
xoffset = itob16(linewidth * linewidth);
xoffset = b16divb16(xoffset, adjwidth);
}
+
halfoffset = (xoffset >> 1);
/* Return the top triangle (if there is one). NOTE that the horizontal