Integrate the STMPE11 driver into the STM3240G-EVAL board logic
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4714 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo
parent
a0cd6e1b6b
commit
00cf094121
@ -37,7 +37,7 @@
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CONFIGURED_APPS += examples/nsh
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# The NSH applicatin library
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# The NSH application library
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CONFIGURED_APPS += system/readline
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CONFIGURED_APPS += nshlib
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@ -18,6 +18,7 @@ Contents
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- CAN
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- FPU
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- FSMC SRAM
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- I/O Exanders
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- STM3240G-EVAL-specific Configuration Options
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- Configurations
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@ -496,6 +497,37 @@ There are 4 possible SRAM configurations:
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CONFIG_MM_REGIONS == 3
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CONFIG_STM32_FSMC_SRAM defined
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CONFIG_STM32_CCMEXCLUDE NOT defined
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I/O Exanders
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============
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The STM3240G-EVAL has two STMPE11QTR I/O expanders on board both connected to
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the STM32 via I2C1. They share a common interrupt line: PI2.
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STMPE11 U24, I2C address 0x41 (7-bit)
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------ ---- ---------------- --------------------------------------------
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STPE11 PIN BOARD SIGNAL BOARD CONNECTION
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------ ---- ---------------- --------------------------------------------
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Y- TouchScreen_Y- LCD Connector XL
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X- TouchScreen_X- LCD Connector XR
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Y+ TouchScreen_Y+ LCD Connector XD
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X+ TouchScreen_X+ LCD Connector XU
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IN3 EXP_IO9
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IN2 EXP_IO10
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IN1 EXP_IO11
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IN0 EXP_IO12
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STMPE11 U29, I2C address 0x44 (7-bit)
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------ ---- ---------------- --------------------------------------------
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STPE11 PIN BOARD SIGNAL BOARD CONNECTION
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------ ---- ---------------- --------------------------------------------
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Y- EXP_IO1
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X- EXP_IO2
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Y+ EXP_IO3
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X+ EXP_IO4
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IN3 EXP_IO5
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IN2 EXP_IO6
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IN1 EXP_IO7
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IN0 EXP_IO8
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STM3240G-EVAL-specific Configuration Options
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============================================
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@ -80,6 +80,10 @@ ifeq ($(CONFIG_WATCHDOG),y)
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CONFIGURED_APPS += examples/watchdog
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endif
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ifeq ($(CONFIG_INPUT_STMPE11),y)
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CONFIGURED_APPS += examples/touchscreen
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endif
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# Uncomment examples/ftpc to include the FTP client example
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# Uncomment examples/ftpd to include the FTP daemon example
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@ -527,6 +527,7 @@ CONFIG_DEBUG_ANALOG=n
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CONFIG_DEBUG_PWM=n
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CONFIG_DEBUG_CAN=n
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CONFIG_DEBUG_I2C=n
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CONFIG_DEBUG_INPUT=n
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CONFIG_HAVE_CXX=y
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CONFIG_HAVE_CXXINITIALIZE=y
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@ -552,7 +553,7 @@ CONFIG_SDCLONE_DISABLE=y
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CONFIG_SCHED_WORKQUEUE=n
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CONFIG_SCHED_WORKPRIORITY=192
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CONFIG_SCHED_WORKPERIOD=(50*1000)
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CONFIG_SCHED_WORKSTACKSIZE=1024
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CONFIG_SCHED_WORKSTACKSIZE=2048
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CONFIG_SIG_SIGWORK=4
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CONFIG_SCHED_WAITPID=y
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CONFIG_SCHED_ATEXIT=n
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@ -946,6 +947,52 @@ CONFIG_RTC_HIRES=n
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CONFIG_RTC_FREQUENCY=n
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CONFIG_RTC_ALARM=n
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#
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# Input device configuration
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#
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CONFIG_INPUT=n
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CONFIG_INPUT_TSC2007=n
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#
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# STMPE11 input device configuration
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#
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# Prerequisites: CONFIG_INPUT=y
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# Other settings that effect the driver: CONFIG_DISABLE_POLL
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#
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# CONFIG_INPUT_STMPE11
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# Enables support for the STMPE11 driver (Needs CONFIG_INPUT)
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# CONFIG_STMPE11_SPI
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# Enables support for the SPI interface (not currenly supported)
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# CONFIG_STMPE11_I2C
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# Enables support for the I2C interface
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# CONFIG_STMPE11_MULTIPLE
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# Can be defined to support multiple STMPE11 devices on board.
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# CONFIG_STMPE11_NPOLLWAITERS
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# Maximum number of threads that can be waiting on poll() (ignored if
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# CONFIG_DISABLE_POLL is set).
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# CONFIG_STMPE11_TSC_DISABLE
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# Disable driver touchscreen functionality.
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# CONFIG_STMPE11_ADC_DISABLE
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# Disable driver ADC functionality.
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# CONFIG_STMPE11_GPIO_DISABLE
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# Disable driver GPIO functionlaity.
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# CONFIG_STMPE11_GPIOINT_DISABLE
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# Disable driver GPIO interrupt functionlality (ignored if GPIO functionality is
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# disabled).
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# CONFIG_STMPE11_TEMP_DISABLE
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# Disable driver temperature sensor functionlaity.
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#
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CONFIG_INPUT_STMPE11=n
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CONFIG_STMPE11_SPI=n
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CONFIG_STMPE11_I2C=y
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CONFIG_STMPE11_MULTIPLE=y
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#CONFIG_STMPE11_NPOLLWAITERS
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CONFIG_STMPE11_TSC_DISABLE=n
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CONFIG_STMPE11_ADC_DISABLE=y
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CONFIG_STMPE11_GPIO_DISABLE=y
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CONFIG_STMPE11_GPIOINT_DISABLE=y
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CONFIG_STMPE11_TEMP_DISABLE=y
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#
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# USB Device Configuration
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#
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@ -1599,6 +1646,28 @@ CONFIG_EXAMPLES_NXLINES_CIRCLECOLOR=0xf7bb
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CONFIG_EXAMPLES_NXLINES_BPP=16
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CONFIG_EXAMPLES_NXLINES_EXTERNINIT=n
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#
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# Settings for examples/touchscreen
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#
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# CONFIG_EXAMPLES_TOUCHSCREEN_BUILTIN - Build the touchscreen test as
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# an NSH built-in function. Default: Built as a standalone problem
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# CONFIG_EXAMPLES_TOUCHSCREEN_MINOR - The minor device number. Minor=N
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# correspnds to touchscreen device /dev/input0. Note this value must
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# with CONFIG_EXAMPLES_TOUCHSCREEN_DEVPATH. Default 0.
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# CONFIG_EXAMPLES_TOUCHSCREEN_DEVPATH - The path to the touchscreen
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# device. This must be consistent with CONFIG_EXAMPLES_TOUCHSCREEN_MINOR.
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# Default: "/dev/input0"
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# CONFIG_EXAMPLES_TOUCHSCREEN_NSAMPLES - If CONFIG_EXAMPLES_TOUCHSCREEN_BUILTIN
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# is defined, then the number of samples is provided on the command line
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# and this value is ignored. Otherwise, this number of samples is
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# collected and the program terminates. Default: Samples are collected
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# indefinitely.
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#
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CONFIG_EXAMPLES_TOUCHSCREEN_BUILTIN=y
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CONFIG_EXAMPLES_TOUCHSCREEN_MINOR=0
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CONFIG_EXAMPLES_TOUCHSCREEN_DEVPATH="/dev/input0"
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CONFIG_EXAMPLES_TOUCHSCREEN_NSAMPLES=25
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#
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# Settings for examples/usbstorage
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#
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@ -527,6 +527,7 @@ CONFIG_DEBUG_ANALOG=n
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CONFIG_DEBUG_PWM=n
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CONFIG_DEBUG_CAN=n
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CONFIG_DEBUG_I2C=n
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CONFIG_DEBUG_INPUT=n
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CONFIG_HAVE_CXX=y
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CONFIG_HAVE_CXXINITIALIZE=y
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@ -949,8 +950,8 @@ CONFIG_RTC_ALARM=n
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#
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# Input device configuration
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#
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CONFIG_INPUT=y
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CONFIG_INPUT_TSC2007=y
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CONFIG_INPUT=n
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CONFIG_INPUT_TSC2007=n
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#
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# STMPE11 input device configuration
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@ -88,6 +88,10 @@ ifeq ($(CONFIG_WATCHDOG),y)
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CSRCS += up_watchdog.c
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endif
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ifeq ($(CONFIG_INPUT_STMPE11),y)
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CSRCS += up_stmpe11.c
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endif
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COBJS = $(CSRCS:.c=$(OBJEXT))
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SRCS = $(ASRCS) $(CSRCS)
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@ -138,9 +138,40 @@
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#define GPIO_OTGFS_PWRON (GPIO_OUTPUT|GPIO_FLOAT|GPIO_SPEED_100MHz|GPIO_PUSHPULL|GPIO_PORTH|GPIO_PIN5)
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#define GPIO_OTGFS_OVER (GPIO_INPUT|GPIO_FLOAT|GPIO_SPEED_100MHz|GPIO_PUSHPULL|GPIO_PORTF|GPIO_PIN11)
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/****************************************************************************************************
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* Public Types
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****************************************************************************************************/
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/* The STM3240G-EVAL has two STMPE11QTR I/O expanders on board both connected
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* to the STM32 via I2C1. They share a common interrupt line: PI2.
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*
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* STMPE11 U24, I2C address 0x41 (7-bit)
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* ------ ---- ---------------- --------------------------------------------
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* STPE11 PIN BOARD SIGNAL BOARD CONNECTION
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* ------ ---- ---------------- --------------------------------------------
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* Y- TouchScreen_Y- LCD Connector XL
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* X- TouchScreen_X- LCD Connector XR
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* Y+ TouchScreen_Y+ LCD Connector XD
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* X+ TouchScreen_X+ LCD Connector XU
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* IN3 EXP_IO9
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* IN2 EXP_IO10
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* IN1 EXP_IO11
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* IN0 EXP_IO12
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*
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* STMPE11 U29, I2C address 0x44 (7-bit)
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* ------ ---- ---------------- --------------------------------------------
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* STPE11 PIN BOARD SIGNAL BOARD CONNECTION
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* ------ ---- ---------------- --------------------------------------------
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* Y- EXP_IO1
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* X- EXP_IO2
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* Y+ EXP_IO3
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* X+ EXP_IO4
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* IN3 EXP_IO5
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* IN2 EXP_IO6
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* IN1 EXP_IO7
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* IN0 EXP_IO8
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*/
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#define STMPE11_ADDR1 0x41
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#define STMPE11_ADDR2 0x44
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#define GPIO_IO_EXPANDER (GPIO_INPUT|GPIO_FLOAT|GPIO_EXTI|GPIO_PORTI|GPIO_PIN2)
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/* GPIO settings that will be altered when external memory is selected:
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*
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@ -157,6 +188,10 @@
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* PD14-15: FSMC D0-D1
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*/
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/****************************************************************************************************
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* Public Types
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****************************************************************************************************/
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/****************************************************************************************************
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* Public data
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****************************************************************************************************/
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320
configs/stm3240g-eval/src/up_stmpe11.c
Normal file
320
configs/stm3240g-eval/src/up_stmpe11.c
Normal file
@ -0,0 +1,320 @@
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/************************************************************************************
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* configs/stm3240g-eval/src/up_touchscreen.c
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* arch/arm/src/board/up_touchscreen.c
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*
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* Copyright (C) 2012 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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************************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <debug.h>
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#include <errno.h>
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#include <nuttx/i2c.h>
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#include <nuttx/input/touchscreen.h>
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#include <nuttx/input/stmpe11.h>
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#include "stm32_internal.h"
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#include "stm3240g-internal.h"
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/****************************************************************************
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* Pre-Processor Definitions
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****************************************************************************/
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/* Configuration ************************************************************/
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#ifdef CONFIG_INPUT_STMPE11
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#ifndef CONFIG_INPUT
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# error "STMPE11 support requires CONFIG_INPUT"
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#endif
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#ifndef CONFIG_STM32_I2C1
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# error "STMPE11 support requires CONFIG_STM32_I2C1"
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#endif
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#ifndef CONFIG_STMPE11_I2C
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# error "Only the STMPE11 I2C interface is supported"
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#endif
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#ifdef CONFIG_STMPE11_SPI
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# error "Only the STMPE11 SPI interface is supported"
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#endif
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#ifndef CONFIG_STMPE11_FREQUENCY
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# define CONFIG_STMPE11_FREQUENCY 100000
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#endif
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#ifndef CONFIG_STMPE11_I2CDEV
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# define CONFIG_STMPE11_I2CDEV 1
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#endif
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#if CONFIG_STMPE11_I2CDEV != 1
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# error "CONFIG_STMPE11_I2CDEV must be one"
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#endif
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#ifndef CONFIG_STMPE11_DEVMINOR
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# define CONFIG_STMPE11_DEVMINOR 0
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#endif
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/* Board definitions ********************************************************/
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/* The STM3240G-EVAL has two STMPE11QTR I/O expanders on board both connected
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* to the STM32 via I2C1. They share a common interrupt line: PI2.
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*
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* STMPE11 U24, I2C address 0x41 (7-bit)
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* ------ ---- ---------------- --------------------------------------------
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* STPE11 PIN BOARD SIGNAL BOARD CONNECTION
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* ------ ---- ---------------- --------------------------------------------
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* Y- TouchScreen_Y- LCD Connector XL
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* X- TouchScreen_X- LCD Connector XR
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* Y+ TouchScreen_Y+ LCD Connector XD
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* X+ TouchScreen_X+ LCD Connector XU
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* IN3 EXP_IO9
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* IN2 EXP_IO10
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* IN1 EXP_IO11
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* IN0 EXP_IO12
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*
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* STMPE11 U29, I2C address 0x44 (7-bit)
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* ------ ---- ---------------- --------------------------------------------
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* STPE11 PIN BOARD SIGNAL BOARD CONNECTION
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* ------ ---- ---------------- --------------------------------------------
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* Y- EXP_IO1
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* X- EXP_IO2
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* Y+ EXP_IO3
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* X+ EXP_IO4
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* IN3 EXP_IO5
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* IN2 EXP_IO6
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* IN1 EXP_IO7
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* IN0 EXP_IO8
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*/
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/****************************************************************************
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* Private Types
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****************************************************************************/
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struct stm32_stmpe11config_s
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{
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/* Configuration structure as seen by the STMPE11 driver */
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struct stmpe11_config_s config;
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/* Additional private definitions only known to this driver */
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STMPE11_HANDLE handle; /* The STMPE11 driver handle */
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xcpt_t handler; /* The STMPE11 interrupt handler */
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};
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/****************************************************************************
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* Static Function Prototypes
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****************************************************************************/
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/* IRQ/GPIO access callbacks. These operations all hidden behind callbacks
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* to isolate the STMPE11 driver from differences in GPIO
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* interrupt handling by varying boards and MCUs.* so that contact and loss-of-contact events can be detected.
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*
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* attach - Attach the STMPE11 interrupt handler to the GPIO interrupt
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* enable - Enable or disable the GPIO interrupt
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* clear - Acknowledge/clear any pending GPIO interrupt
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*/
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static int stmpe11_attach(FAR struct stmpe11_config_s *state, xcpt_t isr);
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static void stmpe11_enable(FAR struct stmpe11_config_s *state, bool enable);
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static void stmpe11_clear(FAR struct stmpe11_config_s *state);
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/****************************************************************************
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* Private Data
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****************************************************************************/
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/* A reference to a structure of this type must be passed to the STMPE11
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* driver. This structure provides information about the configuration
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* of the STMPE11 and provides some board-specific hooks.
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*
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* Memory for this structure is provided by the caller. It is not copied
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* by the driver and is presumed to persist while the driver is active. The
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* memory must be writable because, under certain circumstances, the driver
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* may modify frequency or X plate resistance values.
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*/
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#ifndef CONFIG_STMPE11_TSC_DISABLE
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static struct stm32_stmpe11config_s g_stmpe11config =
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{
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.config =
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{
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#ifdef CONFIG_STMPE11_I2C
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.address = STMPE11_ADDR1,
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#endif
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.frequency = CONFIG_STMPE11_FREQUENCY,
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#ifdef CONFIG_STMPE11_MULTIPLE
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.irq = STM32_IRQ_EXTI2,
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#endif
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.ctrl1 = (ADC_CTRL1_SAMPLE_TIME_80|ADC_CTRL1_MOD_12B|ADC_CTRL1_REF_SEL),
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.ctrl2 = ADC_CTRL2_ADC_FREQ_3p25,
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.attach = stmpe11_attach,
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.enable = stmpe11_enable,
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.clear = stmpe11_clear,
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},
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.handler = NULL,
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};
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#endif
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/* IRQ/GPIO access callbacks. These operations all hidden behind
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* callbacks to isolate the STMPE11 driver from differences in GPIO
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* interrupt handling by varying boards and MCUs.
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*
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* attach - Attach the STMPE11 interrupt handler to the GPIO interrupt
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* enable - Enable or disable the GPIO interrupt
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* clear - Acknowledge/clear any pending GPIO interrupt
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*/
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|
||||
static int stmpe11_attach(FAR struct stmpe11_config_s *state, xcpt_t isr)
|
||||
{
|
||||
FAR struct stm32_stmpe11config_s *priv = (FAR struct stm32_stmpe11config_s *)state;
|
||||
|
||||
ivdbg("Saving handler %p\n", isr);
|
||||
DEBUGASSERT(priv);
|
||||
|
||||
/* Just save the handler. We will use it when EXTI interruptsare enabled */
|
||||
|
||||
priv->handler = isr;
|
||||
return OK;
|
||||
}
|
||||
|
||||
static void stmpe11_enable(FAR struct stmpe11_config_s *state, bool enable)
|
||||
{
|
||||
FAR struct stm32_stmpe11config_s *priv = (FAR struct stm32_stmpe11config_s *)state;
|
||||
|
||||
/* Attach and enable, or detach and disable */
|
||||
|
||||
ivdbg("IRQ:%d enable:%d\n", STM32_IRQ_EXTI2, enable);
|
||||
if (enable)
|
||||
{
|
||||
/* Configure the EXTI interrupt using the SAVED handler */
|
||||
|
||||
(void)stm32_gpiosetevent(GPIO_IO_EXPANDER, true, true, true, priv->handler);
|
||||
}
|
||||
else
|
||||
{
|
||||
/* Configure the EXTI interrupt with a NULL handler to disable it */
|
||||
|
||||
(void)stm32_gpiosetevent(GPIO_IO_EXPANDER, false, false, false, NULL);
|
||||
}
|
||||
}
|
||||
|
||||
static void stmpe11_clear(FAR struct stmpe11_config_s *state)
|
||||
{
|
||||
/* Does nothing */
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Public Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: arch_tcinitialize
|
||||
*
|
||||
* Description:
|
||||
* Initialize the touchscreen device
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
int arch_tcinitialize(void)
|
||||
{
|
||||
#ifndef CONFIG_STMPE11_TSC_DISABLE
|
||||
FAR struct i2c_dev_s *dev;
|
||||
int ret;
|
||||
|
||||
ivdbg("Initializing\n");
|
||||
|
||||
/* Configure and enable the STMPE11 interrupt pin as an input */
|
||||
|
||||
(void)stm32_configgpio(GPIO_IO_EXPANDER);
|
||||
|
||||
/* Get an instance of the I2C interface */
|
||||
|
||||
dev = up_i2cinitialize(CONFIG_STMPE11_I2CDEV);
|
||||
if (!dev)
|
||||
{
|
||||
idbg("Failed to initialize I2C bus %d\n", CONFIG_STMPE11_I2CDEV);
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
/* Instantiate the STMPE11 driver */
|
||||
|
||||
g_stmpe11config.handle =
|
||||
stmpe11_instantiate(dev, (FAR struct stmpe11_config_s *)&g_stmpe11config);
|
||||
if (!g_stmpe11config.handle)
|
||||
{
|
||||
idbg("Failed to instantiate the STMPE11 driver\n");
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
/* Initialize and register the I2C touschscreen device */
|
||||
|
||||
ret = stmpe11_register(dev, CONFIG_STMPE11_DEVMINOR);
|
||||
if (ret < 0)
|
||||
{
|
||||
idbg("Failed to register STMPE driver: %d\n", ret);
|
||||
/* up_i2cuninitialize(dev); */
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
return OK;
|
||||
#else
|
||||
return -ENOSYS;
|
||||
#endif
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: arch_tcuninitialize
|
||||
*
|
||||
* Description:
|
||||
* Un-initialize the touchscreen device
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void arch_tcuninitialize(void)
|
||||
{
|
||||
/* No support for un-initializing the touchscreen STMPE11 device yet */
|
||||
}
|
||||
|
||||
#endif /* CONFIG_INPUT_STMPE11 */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user