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Merged in paulpatience/nuttx-boards/nucleo_f303re_adc (pull request #14)
Nucleo F303RE: Add ADC
This commit is contained in:
Gregory Nutt
@@ -0,0 +1,113 @@
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############################################################################
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# configs/nucleo-f303re/adc/Make.defs
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#
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# Copyright (C) 2013 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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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 = $(TOPDIR)/tools/mknulldeps.sh
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ARCHINCLUDES = -I. -isystem "${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.sh
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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 -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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File diff suppressed because it is too large
Load Diff
@@ -58,6 +58,10 @@ ifeq ($(CONFIG_LIB_BOARDCTL),y)
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CSRCS += stm32_appinitialize.c
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endif
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ifeq ($(CONFIG_ADC),y)
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CSRCS += stm32_adc.c
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endif
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ifeq ($(CONFIG_CAN),y)
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CSRCS += stm32_can.c
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endif
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@@ -0,0 +1,247 @@
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/****************************************************************************
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* configs/nucleo-f303re/src/stm32_adc.c
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*
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* Copyright (C) 2011-2012 Gregory Nutt. All rights reserved.
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* Copyright (C) 2015 Omni Hoverboards Inc. All rights reserved.
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* Authors: Gregory Nutt <gnutt@nuttx.org>
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* Paul Alexander Patience <paul-a.patience@polymtl.ca>
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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 <errno.h>
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#include <debug.h>
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#include <nuttx/board.h>
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#include <nuttx/analog/adc.h>
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#include "stm32.h"
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#if defined(CONFIG_ADC) && \
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(defined(CONFIG_STM32_ADC1) || defined(CONFIG_STM32_ADC2) || \
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defined(CONFIG_STM32_ADC3) || defined(CONFIG_STM32_ADC4))
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* Configuration ************************************************************/
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#if defined(CONFIG_STM32_ADC1) && !defined(CONFIG_STM32_ADC2) && \
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!defined(CONFIG_STM32_ADC3) && !defined(CONFIG_STM32_ADC4)
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# define ADC_PORT 1
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#elif defined(CONFIG_STM32_ADC2) && !defined(CONFIG_STM32_ADC1) && \
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!defined(CONFIG_STM32_ADC3) && !defined(CONFIG_STM32_ADC4)
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# define ADC_PORT 2
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#elif defined(CONFIG_STM32_ADC3) && !defined(CONFIG_STM32_ADC1) && \
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!defined(CONFIG_STM32_ADC2) && !defined(CONFIG_STM32_ADC4)
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# define ADC_PORT 3
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#elif defined(CONFIG_STM32_ADC4) && !defined(CONFIG_STM32_ADC1) && \
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!defined(CONFIG_STM32_ADC2) && !defined(CONFIG_STM32_ADC3)
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# define ADC_PORT 4
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#else
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# error "Choose only one of ADC1, ADC2, ADC3, ADC4"
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#endif
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/* The number of ADC channels in the conversion list */
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#if defined(CONFIG_STM32_ADC1) && defined(ADC1_HAVE_DMA)
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# define ADC_NCHANNELS 4
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#elif defined(CONFIG_STM32_ADC2) && defined(ADC2_HAVE_DMA)
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# define ADC_NCHANNELS 3
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#elif defined(CONFIG_STM32_ADC3) && defined(ADC3_HAVE_DMA)
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# define ADC_NCHANNELS 1
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#elif defined(CONFIG_STM32_ADC4) && defined(ADC4_HAVE_DMA)
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# define ADC_NCHANNELS 1
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#else
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# define ADC_NCHANNELS 1
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#endif
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/****************************************************************************
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* Private Function Prototypes
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****************************************************************************/
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/****************************************************************************
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* Private Data
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****************************************************************************/
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#if defined(CONFIG_STM32_ADC1)
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/* Identifying number of each ADC channel */
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static const uint8_t g_chanlist[ADC_NCHANNELS] =
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{
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1,
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#ifdef ADC1_HAVE_DMA
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2,
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6,
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7,
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#endif
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};
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/* Configurations of pins used by each ADC channel */
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static const uint32_t g_pinlist[ADC_NCHANNELS] =
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{
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GPIO_ADC1_IN1,
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#ifdef ADC1_HAVE_DMA
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GPIO_ADC1_IN2,
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GPIO_ADC12_IN6,
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GPIO_ADC12_IN7,
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#endif
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};
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#elif defined(CONFIG_STM32_ADC2)
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/* Identifying number of each ADC channel */
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static const uint8_t g_chanlist[ADC_NCHANNELS] =
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{
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1,
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#ifdef ADC2_HAVE_DMA
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6,
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7,
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#endif
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};
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/* Configurations of pins used by each ADC channel */
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static const uint32_t g_pinlist[ADC_NCHANNELS] =
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{
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GPIO_ADC2_IN1,
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#ifdef ADC2_HAVE_DMA
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GPIO_ADC12_IN6,
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GPIO_ADC12_IN7,
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#endif
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};
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#elif defined(CONFIG_STM32_ADC3)
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/* Identifying number of each ADC channel */
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static const uint8_t g_chanlist[ADC_NCHANNELS] =
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{
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12,
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};
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/* Configurations of pins used by each ADC channel */
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static const uint32_t g_pinlist[ADC_NCHANNELS] =
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{
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GPIO_ADC3_IN12,
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};
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#elif defined(CONFIG_STM32_ADC4)
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/* Identifying number of each ADC channel */
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static const uint8_t g_chanlist[ADC_NCHANNELS] =
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{
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3,
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};
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/* Configurations of pins used by each ADC channel */
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static const uint32_t g_pinlist[ADC_NCHANNELS] =
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{
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GPIO_ADC4_IN3,
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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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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: board_adc_setup
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*
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* Description:
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* All STM32 architectures must provide the following interface to work
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* with examples/adc.
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*
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****************************************************************************/
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int board_adc_setup(void)
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{
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static bool initialized = false;
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FAR struct adc_dev_s *adc;
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int ret;
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int i;
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/* Check if we have already initialized */
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if (!initialized)
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{
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/* Configure the pins as analog inputs for the selected channels */
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for (i = 0; i < ADC_NCHANNELS; i++)
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{
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stm32_configgpio(g_pinlist[i]);
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}
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/* Call stm32_adcinitialize() to get an instance of the ADC interface */
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adc = stm32_adcinitialize(ADC_PORT, g_chanlist, ADC_NCHANNELS);
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if (adc == NULL)
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{
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adbg("ERROR: Failed to get ADC interface\n");
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return -ENODEV;
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}
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/* Register the ADC driver at "/dev/adc0" */
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ret = adc_register("/dev/adc0", adc);
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if (ret < 0)
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{
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adbg("adc_register failed: %d\n", ret);
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return ret;
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}
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/* Now we are initialized */
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initialized = true;
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}
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return OK;
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}
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#endif /* CONFIG_ADC && (CONFIG_STM32_ADC1 || CONFIG_STM32_ADC2 ||
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* CONFIG_STM32_ADC3 || CONFIG_STM32_ADC4) */
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