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Lpcxpresso-Lpc54618 and FT5x06 driver. Some improvements in configuration and the touchscreen driver improves the behavior some. Now I get the calibration screen and detect touches (but no un-touches).

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This commit is contained in:
Gregory Nutt 2017-12-18 17:22:35 -06:00
parent ead23dca30
commit d9997846b6
3 changed files with 62 additions and 43 deletions
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41
configs/lpcxpresso-lpc54628/README.txt
View File

@ -201,6 +201,11 @@ Configurations
pressure : 0
etc.
NOTE that the touchscreen controlled must run in a polled mode! The
FT5x06 interrupt GPIO is on P4.0 and, as far as I know, GPIO
interrupts are not supported on P4. So polled mode only for this
puppy.
nsh:
Configures the NuttShell (nsh) application located at examples/nsh.
@ -314,24 +319,30 @@ Configurations
nxwm:
This is a special configuration setup for the NxWM window manager
UnitTest. The NxWM window manager can be found here:
UnitTest. This builds on top of the features that were unit tested in
by the fb configuration.
nuttx-code/NxWidgets/nxwm
The NxWM window manager can be found here:
<nuttx-code>/NxWidgets/nxwm
The NxWM unit test can be found at:
nuttx-code/NxWidgets/UnitTests/nxwm
<nuttx-code>/NxWidgets/UnitTests/nxwm
Documentation for installing the NxWM unit test can be found here:
nuttx-code/NxWidgets/UnitTests/README.txt
<nuttx-code>/NxWidgets/UnitTests/README.txt
Where <nuttx-code> is whatever path you have select to install
NuttX.
Here is the quick summary of the build steps (Assuming that all of
the required packages are available in a directory ~/nuttx-code):
the required packages are available in a directory ~/<nuttx-code>):
1. Install the nxwm configuration
$ cd ~/nuttx-code/nuttx
$ cd ~/<nuttx-code>/nuttx
$ tools/configure.sh [OPTIONS] lpcxpresso-lpc54628/nxwm
Use the -l option with the configure.sh script if you are using a
@ -344,24 +355,24 @@ Configurations
3. Install the nxwm unit test
$ cd ~/nuttx-code/NxWidgets
$ tools/install.sh ~/nuttx-code/apps nxwm
$ cd ~/<nuttx-code>/NxWidgets
$ tools/install.sh ~/<nuttx-code>/apps nxwm
Creating symbolic link
- To ~/nuttx-code/NxWidgets/UnitTests/nxwm
- At ~/nuttx-code/apps/external
- To ~/<nuttx-code>/NxWidgets/UnitTests/nxwm
- At ~/<nuttx-code>/apps/external
4. Build the NxWidgets library
$ cd ~/nuttx-code/NxWidgets/libnxwidgets
$ make TOPDIR=~/nuttx-code/nuttx
$ cd ~/<nuttx-code>/NxWidgets/libnxwidgets
$ make TOPDIR=~/<nuttx-code>/nuttx
5. Build the NxWM library
$ cd ~/nuttx-code/NxWidgets/nxwm
$ make TOPDIR=~/nuttx-code/nuttx
$ cd ~/<nuttx-code>/NxWidgets/nxwm
$ make TOPDIR=~/<nuttx-code>/nuttx
6. Built NuttX with the installed unit test as the application
$ cd ~/nuttx-code/nuttx
$ cd ~/<nuttx-code>/nuttx
$ make

6
configs/lpcxpresso-lpc54628/nxwm/defconfig
View File

@ -2,6 +2,7 @@
# CONFIG_NX_DISABLE_16BPP is not set
# CONFIG_NXFONTS_DISABLE_16BPP is not set
# CONFIG_NXTK_DEFAULT_BORDERCOLORS is not set
# CONFIG_NXWM_TOUCHSCREEN_DEVINIT is not set
CONFIG_ARCH_BOARD_LPCXPRESSO_LPC54628=y
CONFIG_ARCH_BOARD="lpcxpresso-lpc54628"
CONFIG_ARCH_CHIP_LPC54628=y
@ -9,6 +10,7 @@ CONFIG_ARCH_CHIP_LPC54XX=y
CONFIG_ARCH_STACKDUMP=y
CONFIG_ARCH_STDARG_H=y
CONFIG_ARCH="arm"
CONFIG_BOARD_INITIALIZE=y
CONFIG_BOARD_LOOPSPERMSEC=18535
CONFIG_BUILTIN=y
CONFIG_FAT_LCNAMES=y
@ -20,7 +22,6 @@ CONFIG_FT5X06_SINGLEPOINT=y
CONFIG_FT5X06_SWAPXY=y
CONFIG_HAVE_CXX=y
CONFIG_HAVE_CXXINITIALIZE=y
CONFIG_I2CTOOL_MAXBUS=9
CONFIG_INPUT_FT5X06=y
CONFIG_INPUT=y
CONFIG_LIB_BOARDCTL=y
@ -43,6 +44,7 @@ CONFIG_LPC54_USART0=y
CONFIG_MAX_TASKS=16
CONFIG_MAX_WDOGPARMS=2
CONFIG_MM_REGIONS=2
CONFIG_MQ_MAXMSGSIZE=64
CONFIG_NFILE_DESCRIPTORS=8
CONFIG_NFILE_STREAMS=8
CONFIG_NSH_BUILTIN_APPS=y
@ -95,8 +97,6 @@ CONFIG_SDCLONE_DISABLE=y
CONFIG_START_DAY=18
CONFIG_START_MONTH=12
CONFIG_SYMTAB_ORDEREDBYNAME=y
CONFIG_SYSTEM_I2CTOOL=y
CONFIG_SYSTEM_RAMTEST=y
CONFIG_TASK_NAME_SIZE=0
CONFIG_USART0_SERIAL_CONSOLE=y
CONFIG_USER_ENTRYPOINT="nxwm_main"

58
drivers/input/ft5x06.c
View File

@ -275,7 +275,6 @@ static void ft5x06_data_worker(FAR void *arg)
FAR struct ft5x06_touch_data_s *sample;
struct i2c_msg_s msg[2];
uint8_t regaddr;
uint8_t ntouches;
int ret;
/* Get a pointer the callbacks for convenience */
@ -307,7 +306,7 @@ static void ft5x06_data_worker(FAR void *arg)
/* Set up the data read operation.
*
* REVISIT: If CONFIG_FT5X06_SINGLEPOINT is selected, we we not just
* REVISIT: If CONFIG_FT5X06_SINGLEPOINT is selected, could we not just
* set the length for one sample? Or is there some reason why we have to
* read all of the points?
*/
@ -319,34 +318,43 @@ static void ft5x06_data_worker(FAR void *arg)
msg[1].length = FT5x06_TOUCH_DATA_LEN;
ret = I2C_TRANSFER(priv->i2c, msg, 2);
sample = (FAR struct ft5x06_touch_data_s *)priv->touchbuf;
ntouches = sample->tdstatus;
if (ret >= 0 && ntouches > 0)
if (ret >= 0)
{
/* Notify any waiters that new FT5x06 data is available */
/* In polled mode, we may read invalid touch data. If there is
* no touch data, the FT5x06 returns all 0xff.
*/
sample = (FAR struct ft5x06_touch_data_s *)priv->touchbuf;
/* Notify waiters (only if we ready some valid data) */
if (sample->tdstatus <= FT5x06_MAX_TOUCHES)
{
/* Notify any waiters that new FT5x06 data is available */
priv->valid = true;
ft5x06_notify(priv);
}
priv->valid = true;
ft5x06_notify(priv);
}
#ifdef CONFIG_FT5X06_POLLMODE
else
{
ntouches = 0;
}
/* Update the poll rate */
if (ntouches > 0)
{
priv->delay = POLL_MINDELAY;
}
else if (priv->delay < POLL_MAXDELAY)
{
priv->delay += POLL_INCREMENT;
/* Update the poll rate */
if (sample->tdstatus > 0 && sample->tdstatus <= FT5x06_MAX_TOUCHES)
{
/* Keep it at the minimum if touches are detected. */
priv->delay = POLL_MINDELAY;
}
else if (priv->delay < POLL_MAXDELAY)
{
/* Let it rise gradually to the maximum if there is no touch */
priv->delay += POLL_INCREMENT;
}
#endif
}
#ifdef CONFIG_FT5X06_POLLMODE
/* Exit, re-starting the poll (unless there is no longer any task waiting
* for touch data).
*/