STM32F429i Discovery: Add support for NxWM on STM32F429i-Disco board
This commit is contained in:
Alan Carvalho de Assis
Gregory Nutt
parent
feacfeae25
commit
530ec2e967
@ -224,6 +224,11 @@
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#define GPIO_TIM4_CH2OUT GPIO_TIM4_CH2OUT_2
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/* I2C - There is a STMPE811 TouchPanel on I2C3 using these pins: */
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#define GPIO_I2C3_SCL GPIO_I2C3_SCL_1
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#define GPIO_I2C3_SDA GPIO_I2C3_SDA_1
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/* SPI - There is a MEMS device on SPI5 using these pins: */
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#define GPIO_SPI5_MISO GPIO_SPI5_MISO_1
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112
configs/stm32f429i-disco/nxwm/Make.defs
Normal file
112
configs/stm32f429i-disco/nxwm/Make.defs
Normal file
@ -0,0 +1,112 @@
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############################################################################
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# configs/stm32f429i-disco/nxwm/Make.defs
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#
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# Copyright (C) 2017 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
|
||||
# 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
|
||||
# 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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include ${TOPDIR}/.config
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include ${TOPDIR}/tools/Config.mk
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include ${TOPDIR}/arch/arm/src/armv7-m/Toolchain.defs
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LDSCRIPT = ld.script
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ifeq ($(WINTOOL),y)
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# Windows-native toolchains
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DIRLINK = $(TOPDIR)/tools/copydir.sh
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DIRUNLINK = $(TOPDIR)/tools/unlink.sh
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MKDEP = $(TOPDIR)/tools/mkwindeps.sh
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ARCHINCLUDES = -I. -isystem "${shell cygpath -w $(TOPDIR)/include}"
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ARCHXXINCLUDES = -I. -isystem "${shell cygpath -w $(TOPDIR)/include}" -isystem "${shell cygpath -w $(TOPDIR)/include/cxx}"
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ARCHSCRIPT = -T "${shell cygpath -w $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/$(LDSCRIPT)}"
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else
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# Linux/Cygwin-native toolchain
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MKDEP = $(TOPDIR)/tools/mkdeps$(HOSTEXEEXT)
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ARCHINCLUDES = -I. -isystem $(TOPDIR)/include
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ARCHXXINCLUDES = -I. -isystem $(TOPDIR)/include -isystem $(TOPDIR)/include/cxx
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ARCHSCRIPT = -T$(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/$(LDSCRIPT)
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endif
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CC = $(CROSSDEV)gcc
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CXX = $(CROSSDEV)g++
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CPP = $(CROSSDEV)gcc -E
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LD = $(CROSSDEV)ld
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AR = $(ARCROSSDEV)ar rcs
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NM = $(ARCROSSDEV)nm
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OBJCOPY = $(CROSSDEV)objcopy
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OBJDUMP = $(CROSSDEV)objdump
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ARCHCCVERSION = ${shell $(CC) -v 2>&1 | sed -n '/^gcc version/p' | sed -e 's/^gcc version \([0-9\.]\)/\1/g' -e 's/[-\ ].*//g' -e '1q'}
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ARCHCCMAJOR = ${shell echo $(ARCHCCVERSION) | cut -d'.' -f1}
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ifeq ($(CONFIG_DEBUG_SYMBOLS),y)
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ARCHOPTIMIZATION = -g
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endif
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ifneq ($(CONFIG_DEBUG_NOOPT),y)
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ARCHOPTIMIZATION += $(MAXOPTIMIZATION) -fno-strict-aliasing -fno-strength-reduce -fomit-frame-pointer
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endif
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ARCHCFLAGS = -fno-builtin
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ARCHCXXFLAGS = -fno-builtin -fno-exceptions -fcheck-new -fno-rtti
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ARCHWARNINGS = -Wall -Wstrict-prototypes -Wshadow -Wundef
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ARCHWARNINGSXX = -Wall -Wshadow -Wundef
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ARCHDEFINES =
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ARCHPICFLAGS = -fpic -msingle-pic-base -mpic-register=r10
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CFLAGS = $(ARCHCFLAGS) $(ARCHWARNINGS) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGS) $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES) -pipe
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CPICFLAGS = $(ARCHPICFLAGS) $(CFLAGS)
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CXXFLAGS = $(ARCHCXXFLAGS) $(ARCHWARNINGSXX) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGS) $(ARCHXXINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES) -pipe
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CXXPICFLAGS = $(ARCHPICFLAGS) $(CXXFLAGS)
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CPPFLAGS = $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES)
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AFLAGS = $(CFLAGS) -D__ASSEMBLY__
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NXFLATLDFLAGS1 = -r -d -warn-common
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NXFLATLDFLAGS2 = $(NXFLATLDFLAGS1) -T$(TOPDIR)/binfmt/libnxflat/gnu-nxflat-pcrel.ld -no-check-sections
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LDNXFLATFLAGS = -e main -s 2048
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ASMEXT = .S
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OBJEXT = .o
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LIBEXT = .a
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EXEEXT =
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ifneq ($(CROSSDEV),arm-nuttx-elf-)
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LDFLAGS += -nostartfiles -nodefaultlibs
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endif
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ifeq ($(CONFIG_DEBUG_SYMBOLS),y)
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LDFLAGS += -g
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endif
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HOSTCC = gcc
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HOSTINCLUDES = -I.
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HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe
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HOSTLDFLAGS =
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1670
configs/stm32f429i-disco/nxwm/defconfig
Normal file
1670
configs/stm32f429i-disco/nxwm/defconfig
Normal file
File diff suppressed because it is too large
Load Diff
80
configs/stm32f429i-disco/nxwm/setenv.sh
Normal file
80
configs/stm32f429i-disco/nxwm/setenv.sh
Normal file
@ -0,0 +1,80 @@
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#!/bin/bash
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# configs/stm32f429i-disco/nxwm/setenv.sh
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#
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# Copyright (C) 2017 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
|
||||
# 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
|
||||
# without specific prior written permission.
|
||||
#
|
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||||
# 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,
|
||||
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
||||
# 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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if [ "$_" = "$0" ] ; then
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echo "You must source this script, not run it!" 1>&2
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exit 1
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fi
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WD=`pwd`
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if [ ! -x "setenv.sh" ]; then
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echo "This script must be executed from the top-level NuttX build directory"
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exit 1
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fi
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if [ -z "${PATH_ORIG}" ]; then
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export PATH_ORIG="${PATH}"
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fi
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# This is the Cygwin path to the location where I installed the CodeSourcery
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# toolchain under windows. You will also have to edit this if you install
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# the CodeSourcery toolchain in any other location
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#export TOOLCHAIN_BIN="/cygdrive/c/Program Files (x86)/CodeSourcery/Sourcery G++ Lite/bin"
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# export TOOLCHAIN_BIN="/cygdrive/c/Program Files (x86)/CodeSourcery/Sourcery_CodeBench_Lite_for_ARM_EABI/bin"
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#export TOOLCHAIN_BIN="/cygdrive/c/Users/MyName/MentorGraphics/Sourcery_CodeBench_Lite_for_ARM_EABI/bin"
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# These are the Cygwin paths to the locations where I installed the Atollic
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# toolchain under windows. You will also have to edit this if you install
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# the Atollic toolchain in any other location. /usr/bin is added before
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# the Atollic bin path because there is are binaries named gcc.exe and g++.exe
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# at those locations as well.
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#export TOOLCHAIN_BIN="/usr/bin:/cygdrive/c/Program Files (x86)/Atollic/TrueSTUDIO for ARM Pro 2.3.0/ARMTools/bin"
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#export TOOLCHAIN_BIN="/usr/bin:/cygdrive/c/Program Files (x86)/Atollic/TrueSTUDIO for STMicroelectronics STM32 Lite 2.3.0/ARMTools/bin"
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# This is the location where I installed the ARM "GNU Tools for ARM Embedded Processors"
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# You can this free toolchain here https://launchpad.net/gcc-arm-embedded
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export TOOLCHAIN_BIN="/cygdrive/c/Program Files (x86)/GNU Tools ARM Embedded/4.9 2015q2/bin"
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# This is the path to the location where I installed the devkitARM toolchain
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# You can get this free toolchain from http://devkitpro.org/ or http://sourceforge.net/projects/devkitpro/
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#export TOOLCHAIN_BIN="/cygdrive/c/Program Files (x86)/devkitARM/bin"
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# This is the Cygwin path to the location where I build the buildroot
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# toolchain.
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#export TOOLCHAIN_BIN="${WD}/../buildroot/build_arm_nofpu/staging_dir/bin"
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# Add the path to the toolchain to the PATH varialble
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export PATH="${TOOLCHAIN_BIN}:/sbin:/usr/sbin:${PATH_ORIG}"
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echo "PATH : ${PATH}"
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@ -64,6 +64,10 @@ ifeq ($(CONFIG_STM32_OTGHS),y)
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CSRCS += stm32_usb.c
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endif
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ifeq ($(CONFIG_INPUT_STMPE811),y)
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CSRCS += stm32_stmpe811.c
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endif
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ifeq ($(CONFIG_STM32F429I_DISCO_ILI9341),y)
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CSRCS += stm32_ili93414ws.c
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endif
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@ -52,6 +52,77 @@
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* Pre-processor Definitions
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************************************************************************************/
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/* Configuration ********************************************************************/
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/* Should we initialize the NX server using nx_start? This is done for NxWidgets
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* (CONFIG_NXWIDGETS=y) and if the NxWidget::CNxServer class expects the RTOS do the
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* the NX initialization (CONFIG_NXWIDGET_SERVERINIT=n). This combination of
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* settings is normally only used in the kernel build mode* (CONFIG_BUILD_PROTECTED)
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* when NxWidgets is unable to initialize NX from user-space.
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*/
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#undef HAVE_NXSTART
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#if !defined(CONFIG_NX_MULTIUSER)
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# undef CONFIG_NX_START
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#endif
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#if defined(CONFIG_NXWIDGETS) && !defined(CONFIG_NXWIDGET_SERVERINIT)
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# define HAVE_NXSTART
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# include <nuttx/nx/nx.h>
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#endif
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/* Should we initialize the touchscreen for the NxWM (CONFIG_NXWM=y)? This
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* is done if we have a touchscreen (CONFIG_INPUT_STMPE811=y), NxWM uses the
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* touchscreen (CONFIG_NXWM_TOUCHSCREEN=y), and if we were asked to
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* initialize the touchscreen for NxWM (NXWM_TOUCHSCREEN_DEVINIT=n). This
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* combination of settings is normally only used in the kernel build mode
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* (CONFIG_BUILD_PROTECTED) when NxWidgets is unable to initialize NX from
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* user-space.
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*/
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#undef HAVE_TCINIT
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#if defined(CONFIG_NXWM_TOUCHSCREEN)
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# if !defined(CONFIG_NXWM_TOUCHSCREEN_DEVNO)
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# error CONFIG_NXWM_TOUCHSCREEN_DEVNO is not defined
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# elif defined(CONFIG_INPUT_STMPE811)
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# if !defined(CONFIG_NXWM_TOUCHSCREEN_DEVINIT)
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# define HAVE_TCINIT
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# include <nuttx/input/touchscreen.h>
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# endif
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# else
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# if !defined(CONFIG_NXWM_TOUCHSCREEN_DEVINIT) && defined(CONFIG_BUILD_PROTECTED)
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# error CONFIG_INPUT_STMPE811=y is needed
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# endif
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# endif
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#endif
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/* Check if we will need to support the initialization kernel thread */
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#undef HAVE_INITTHREAD
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#ifdef CONFIG_BOARD_INITIALIZE
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# if defined(CONFIG_NSH_LIBRARY) && !defined(CONFIG_LIB_BOARDCTL)
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# define HAVE_INITTHREAD 1
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# elif defined(HAVE_NXSTART)
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# define HAVE_INITTHREAD 1
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# elif defined(HAVE_TCINIT)
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# define HAVE_INITTHREAD 1
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# endif
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#endif
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#ifdef HAVE_INITTHREAD
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# include <stdlib.h>
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# include <assert.h>
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# include <nuttx/kthread.h>
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# ifndef CONFIG_STM32F429I_DISCO_BOARDINIT_PRIO
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# define CONFIG_STM32F429I_DISCO_BOARDINIT_PRIO 196
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# endif
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# ifndef CONFIG_STM32F429I_DISCO_BOARDINIT_STACK
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# define CONFIG_STM32F429I_DISCO_BOARDINIT_STACK 2048
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# endif
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#endif
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/************************************************************************************
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* Private Functions
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************************************************************************************/
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@ -131,6 +202,17 @@ void stm32_boardinitialize(void)
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#ifdef CONFIG_BOARD_INITIALIZE
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void board_initialize(void)
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{
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#ifdef HAVE_INITTHREAD
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pid_t server;
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|
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/* Start the board initialization kernel thread */
|
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server = kernel_thread("Board Init", CONFIG_STM32F429I_DISCO_BOARDINIT_PRIO,
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CONFIG_STM32F429I_DISCO_BOARDINIT_STACK, board_initthread,
|
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NULL);
|
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ASSERT(server > 0);
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#endif
|
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|
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#ifdef CONFIG_STM32F429I_DISCO_ILI9341_FBIFACE
|
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/* Initialize the framebuffer driver */
|
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|
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|
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357
configs/stm32f429i-disco/src/stm32_stmpe811.c
Normal file
357
configs/stm32f429i-disco/src/stm32_stmpe811.c
Normal file
@ -0,0 +1,357 @@
|
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/************************************************************************************
|
||||
* configs/stm32f429i-disco/src/stm32_stmpe811.c
|
||||
*
|
||||
* Copyright (C) 2017 Gregory Nutt. All rights reserved.
|
||||
* Author: Gregory Nutt <gnutt@nuttx.org>
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in
|
||||
* the documentation and/or other materials provided with the
|
||||
* distribution.
|
||||
* 3. Neither the name NuttX nor the names of its contributors may be
|
||||
* used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||||
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
||||
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
||||
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
||||
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
||||
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
||||
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE.
|
||||
*
|
||||
************************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Included Files
|
||||
****************************************************************************/
|
||||
|
||||
#include <nuttx/config.h>
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||||
|
||||
#include <stdbool.h>
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||||
#include <stdio.h>
|
||||
#include <debug.h>
|
||||
#include <errno.h>
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||||
|
||||
#include <nuttx/board.h>
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||||
#include <nuttx/i2c/i2c_master.h>
|
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#include <nuttx/input/touchscreen.h>
|
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#include <nuttx/input/stmpe811.h>
|
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|
||||
#include <nuttx/irq.h>
|
||||
|
||||
#include "stm32.h"
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#include "stm32f429i-disco.h"
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|
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/****************************************************************************
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* Pre-processor Definitions
|
||||
****************************************************************************/
|
||||
/* Configuration ************************************************************/
|
||||
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||||
#ifdef CONFIG_INPUT_STMPE811
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||||
#ifndef CONFIG_INPUT
|
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# error "STMPE811 support requires CONFIG_INPUT"
|
||||
#endif
|
||||
|
||||
#ifndef CONFIG_STM32_I2C3
|
||||
# error "STMPE811 support requires CONFIG_STM32_I2C3"
|
||||
#endif
|
||||
|
||||
#ifndef CONFIG_STMPE811_I2C
|
||||
# error "Only the STMPE811 I2C interface is supported"
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_STMPE811_SPI
|
||||
# error "Only the STMPE811 SPI interface is supported"
|
||||
#endif
|
||||
|
||||
#ifndef CONFIG_STMPE811_FREQUENCY
|
||||
# define CONFIG_STMPE811_FREQUENCY 100000
|
||||
#endif
|
||||
|
||||
#ifndef CONFIG_STMPE811_I2CDEV
|
||||
# define CONFIG_STMPE811_I2CDEV 3
|
||||
#endif
|
||||
|
||||
#if CONFIG_STMPE811_I2CDEV != 3
|
||||
# error "CONFIG_STMPE811_I2CDEV must be three"
|
||||
#endif
|
||||
|
||||
#ifndef CONFIG_STMPE811_DEVMINOR
|
||||
# define CONFIG_STMPE811_DEVMINOR 0
|
||||
#endif
|
||||
|
||||
/* Board definitions ********************************************************/
|
||||
/* The STM3240G-EVAL has two STMPE811QTR I/O expanders on board both connected
|
||||
* to the STM32 via I2C1. They share a common interrupt line: PI2.
|
||||
*
|
||||
* STMPE811 U24, I2C address 0x41 (7-bit)
|
||||
* ------ ---- ---------------- --------------------------------------------
|
||||
* STPE11 PIN BOARD SIGNAL BOARD CONNECTION
|
||||
* ------ ---- ---------------- --------------------------------------------
|
||||
* Y- TouchScreen_Y- LCD Connector XL
|
||||
* X- TouchScreen_X- LCD Connector XR
|
||||
* Y+ TouchScreen_Y+ LCD Connector XD
|
||||
* X+ TouchScreen_X+ LCD Connector XU
|
||||
* IN3 EXP_IO9
|
||||
* IN2 EXP_IO10
|
||||
* IN1 EXP_IO11
|
||||
* IN0 EXP_IO12
|
||||
*
|
||||
* STMPE811 U29, I2C address 0x44 (7-bit)
|
||||
* ------ ---- ---------------- --------------------------------------------
|
||||
* STPE11 PIN BOARD SIGNAL BOARD CONNECTION
|
||||
* ------ ---- ---------------- --------------------------------------------
|
||||
* Y- EXP_IO1
|
||||
* X- EXP_IO2
|
||||
* Y+ EXP_IO3
|
||||
* X+ EXP_IO4
|
||||
* IN3 EXP_IO5
|
||||
* IN2 EXP_IO6
|
||||
* IN1 EXP_IO7
|
||||
* IN0 EXP_IO8
|
||||
*/
|
||||
|
||||
/****************************************************************************
|
||||
* Private Types
|
||||
****************************************************************************/
|
||||
|
||||
struct stm32_stmpe811config_s
|
||||
{
|
||||
/* Configuration structure as seen by the STMPE811 driver */
|
||||
|
||||
struct stmpe811_config_s config;
|
||||
|
||||
/* Additional private definitions only known to this driver */
|
||||
|
||||
STMPE811_HANDLE handle; /* The STMPE811 driver handle */
|
||||
xcpt_t handler; /* The STMPE811 interrupt handler */
|
||||
};
|
||||
|
||||
/****************************************************************************
|
||||
* Static Function Prototypes
|
||||
****************************************************************************/
|
||||
|
||||
/* IRQ/GPIO access callbacks. These operations all hidden behind callbacks
|
||||
* to isolate the STMPE811 driver from differences in GPIO
|
||||
* interrupt handling by varying boards and MCUs.* so that contact and loss-
|
||||
* of-contact events can be detected.
|
||||
*
|
||||
* attach - Attach the STMPE811 interrupt handler to the GPIO interrupt
|
||||
* enable - Enable or disable the GPIO interrupt
|
||||
* clear - Acknowledge/clear any pending GPIO interrupt
|
||||
*/
|
||||
|
||||
static int stmpe811_attach(FAR struct stmpe811_config_s *state, xcpt_t isr);
|
||||
static void stmpe811_enable(FAR struct stmpe811_config_s *state, bool enable);
|
||||
static void stmpe811_clear(FAR struct stmpe811_config_s *state);
|
||||
|
||||
/****************************************************************************
|
||||
* Private Data
|
||||
****************************************************************************/
|
||||
|
||||
/* A reference to a structure of this type must be passed to the STMPE811
|
||||
* driver. This structure provides information about the configuration
|
||||
* of the STMPE811 and provides some board-specific hooks.
|
||||
*
|
||||
* Memory for this structure is provided by the caller. It is not copied
|
||||
* by the driver and is presumed to persist while the driver is active. The
|
||||
* memory must be writable because, under certain circumstances, the driver
|
||||
* may modify frequency or X plate resistance values.
|
||||
*/
|
||||
|
||||
#ifndef CONFIG_STMPE811_TSC_DISABLE
|
||||
static struct stm32_stmpe811config_s g_stmpe811config =
|
||||
{
|
||||
.config =
|
||||
{
|
||||
#ifdef CONFIG_STMPE811_I2C
|
||||
.address = STMPE811_ADDR1,
|
||||
#endif
|
||||
.frequency = CONFIG_STMPE811_FREQUENCY,
|
||||
|
||||
#ifdef CONFIG_STMPE811_MULTIPLE
|
||||
.irq = STM32_IRQ_EXTI2,
|
||||
#endif
|
||||
.ctrl1 = (ADC_CTRL1_SAMPLE_TIME_80 | ADC_CTRL1_MOD_12B),
|
||||
.ctrl2 = ADC_CTRL2_ADC_FREQ_3p25,
|
||||
|
||||
.attach = stmpe811_attach,
|
||||
.enable = stmpe811_enable,
|
||||
.clear = stmpe811_clear,
|
||||
},
|
||||
.handler = NULL,
|
||||
};
|
||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
* Private Functions
|
||||
****************************************************************************/
|
||||
|
||||
/* IRQ/GPIO access callbacks. These operations all hidden behind
|
||||
* callbacks to isolate the STMPE811 driver from differences in GPIO
|
||||
* interrupt handling by varying boards and MCUs.
|
||||
*
|
||||
* attach - Attach the STMPE811 interrupt handler to the GPIO interrupt
|
||||
* enable - Enable or disable the GPIO interrupt
|
||||
* clear - Acknowledge/clear any pending GPIO interrupt
|
||||
*/
|
||||
|
||||
static int stmpe811_attach(FAR struct stmpe811_config_s *state, xcpt_t isr)
|
||||
{
|
||||
FAR struct stm32_stmpe811config_s *priv =
|
||||
(FAR struct stm32_stmpe811config_s *)state;
|
||||
|
||||
iinfo("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 stmpe811_enable(FAR struct stmpe811_config_s *state, bool enable)
|
||||
{
|
||||
FAR struct stm32_stmpe811config_s *priv =
|
||||
(FAR struct stm32_stmpe811config_s *)state;
|
||||
irqstate_t flags;
|
||||
|
||||
/* Attach and enable, or detach and disable. Enabling and disabling GPIO
|
||||
* interrupts is a multi-step process so the safest thing is to keep
|
||||
* interrupts disabled during the reconfiguration.
|
||||
*/
|
||||
|
||||
flags = enter_critical_section();
|
||||
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);
|
||||
}
|
||||
leave_critical_section(flags);
|
||||
}
|
||||
|
||||
static void stmpe811_clear(FAR struct stmpe811_config_s *state)
|
||||
{
|
||||
/* Does nothing */
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Public Functions
|
||||
****************************************************************************/
|
||||
|
||||
/****************************************************************************
|
||||
* Name: board_tsc_setup
|
||||
*
|
||||
* Description:
|
||||
* Each board that supports a touchscreen device must provide this function.
|
||||
* This function is called by application-specific, setup logic to
|
||||
* configure the touchscreen device. This function will register the driver
|
||||
* as /dev/inputN where N is the minor device number.
|
||||
*
|
||||
* Input Parameters:
|
||||
* minor - The input device minor number
|
||||
*
|
||||
* Returned Value:
|
||||
* Zero is returned on success. Otherwise, a negated errno value is
|
||||
* returned to indicate the nature of the failure.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
int board_tsc_setup(int minor)
|
||||
{
|
||||
#ifndef CONFIG_STMPE811_TSC_DISABLE
|
||||
FAR struct i2c_master_s *dev;
|
||||
int ret;
|
||||
|
||||
iinfo("minor %d\n", minor);
|
||||
DEBUGASSERT(minor == 0);
|
||||
|
||||
/* Check if we are already initialized */
|
||||
|
||||
if (!g_stmpe811config.handle)
|
||||
{
|
||||
iinfo("Initializing\n");
|
||||
|
||||
/* Configure the STMPE811 interrupt pin as an input */
|
||||
|
||||
(void)stm32_configgpio(GPIO_IO_EXPANDER);
|
||||
|
||||
/* Get an instance of the I2C interface */
|
||||
|
||||
dev = stm32_i2cbus_initialize(CONFIG_STMPE811_I2CDEV);
|
||||
if (!dev)
|
||||
{
|
||||
ierr("ERROR: Failed to initialize I2C bus %d\n", CONFIG_STMPE811_I2CDEV);
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
/* Instantiate the STMPE811 driver */
|
||||
|
||||
g_stmpe811config.handle =
|
||||
stmpe811_instantiate(dev, (FAR struct stmpe811_config_s *)&g_stmpe811config);
|
||||
if (!g_stmpe811config.handle)
|
||||
{
|
||||
ierr("ERROR: Failed to instantiate the STMPE811 driver\n");
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
/* Initialize and register the I2C touchscreen device */
|
||||
|
||||
ret = stmpe811_register(g_stmpe811config.handle, CONFIG_STMPE811_DEVMINOR);
|
||||
if (ret < 0)
|
||||
{
|
||||
ierr("ERROR: Failed to register STMPE driver: %d\n", ret);
|
||||
/* stm32_i2cbus_uninitialize(dev); */
|
||||
return -ENODEV;
|
||||
}
|
||||
}
|
||||
|
||||
return OK;
|
||||
#else
|
||||
return -ENOSYS;
|
||||
#endif
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: board_tsc_teardown
|
||||
*
|
||||
* Description:
|
||||
* Each board that supports a touchscreen device must provide this function.
|
||||
* This function is called by application-specific, setup logic to
|
||||
* uninitialize the touchscreen device.
|
||||
*
|
||||
* Input Parameters:
|
||||
* None
|
||||
*
|
||||
* Returned Value:
|
||||
* None.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void board_tsc_teardown(void)
|
||||
{
|
||||
/* No support for un-initializing the touchscreen STMPE811 device yet */
|
||||
}
|
||||
|
||||
#endif /* CONFIG_INPUT_STMPE811 */
|
||||
|
||||
@ -66,6 +66,16 @@
|
||||
# undef CONFIG_STM32_SPI3
|
||||
#endif
|
||||
|
||||
/* STMPE811 on I2C3 */
|
||||
|
||||
//#define GPIO_I2C3_SCL GPIO_I2C3_SCL_1
|
||||
//#define GPIO_I2C3_SDA GPIO_I2C3_SDA_1
|
||||
|
||||
#define STMPE811_ADDR1 0x41
|
||||
#define STMPE811_ADDR2 0x44
|
||||
|
||||
#define GPIO_IO_EXPANDER (GPIO_INPUT|GPIO_FLOAT|GPIO_EXTI|GPIO_PORTA|GPIO_PIN15)
|
||||
|
||||
/* STM32F429 Discovery GPIOs **************************************************************************/
|
||||
/* LEDs */
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user