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move from lv_project
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‎.cproject

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<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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<configuration artifactName="${ProjName}" buildProperties="" description="" id="cdt.managedbuild.toolchain.gnu.cross.base.1013439379" name="Default" parent="org.eclipse.cdt.build.core.emptycfg">
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<targetPlatform archList="all" binaryParser="org.eclipse.cdt.core.ELF" id="cdt.managedbuild.targetPlatform.gnu.cross.263972871" isAbstract="false" osList="all" superClass="cdt.managedbuild.targetPlatform.gnu.cross"/>
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<builder id="cdt.managedbuild.builder.gnu.cross.1982289326" keepEnvironmentInBuildfile="false" managedBuildOn="false" name="Gnu Make Builder" superClass="cdt.managedbuild.builder.gnu.cross"/>
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<option id="gnu.c.compiler.option.include.paths.1842451458" name="Include paths (-I)" superClass="gnu.c.compiler.option.include.paths" useByScannerDiscovery="false" valueType="includePath">
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<listOptionValue builtIn="false" value="/home/kisvegabor/esp/esp-idf/components/esp32/include"/>
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<listOptionValue builtIn="false" value="/home/kisvegabor/esp/esp-idf/components/log/include"/>
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<listOptionValue builtIn="false" value="/home/kisvegabor/esp/esp-idf/components/freertos/include"/>
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<listOptionValue builtIn="false" value="/home/kisvegabor/esp/esp-idf/components/nvs_flash/include"/>
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<listOptionValue builtIn="false" value="/home/kisvegabor/esp/esp-idf/components/spi_flash/include"/>
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<listOptionValue builtIn="false" value="/home/kisvegabor/esp/esp-idf/components/driver/include"/>
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<listOptionValue builtIn="false" value="&quot;${workspace_loc:/lvgl_esp32}&quot;"/>
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</option>
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<inputType id="cdt.managedbuild.tool.gnu.c.compiler.input.1618296825" superClass="cdt.managedbuild.tool.gnu.c.compiler.input"/>
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<tool id="cdt.managedbuild.tool.gnu.cross.cpp.compiler.1054223501" name="Cross G++ Compiler" superClass="cdt.managedbuild.tool.gnu.cross.cpp.compiler">
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</tool>
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<tool id="cdt.managedbuild.tool.gnu.cross.c.linker.883455135" name="Cross GCC Linker" superClass="cdt.managedbuild.tool.gnu.cross.c.linker"/>
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<tool id="cdt.managedbuild.tool.gnu.cross.cpp.linker.7419403" name="Cross G++ Linker" superClass="cdt.managedbuild.tool.gnu.cross.cpp.linker">
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<inputType id="cdt.managedbuild.tool.gnu.cpp.linker.input.438230222" superClass="cdt.managedbuild.tool.gnu.cpp.linker.input">
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<additionalInput kind="additionalinputdependency" paths="$(USER_OBJS)"/>
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<additionalInput kind="additionalinput" paths="$(LIBS)"/>
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<tool id="cdt.managedbuild.tool.gnu.cross.archiver.977235586" name="Cross GCC Archiver" superClass="cdt.managedbuild.tool.gnu.cross.archiver"/>
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<tool id="cdt.managedbuild.tool.gnu.cross.assembler.12500289" name="Cross GCC Assembler" superClass="cdt.managedbuild.tool.gnu.cross.assembler">
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</tool>
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</toolChain>
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</folderInfo>
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<sourceEntries>
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<entry excluding="main|lvgl|lv_examples|drv" flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name=""/>
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<entry flags="VALUE_WORKSPACE_PATH" kind="sourcePath" name="drv"/>
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<entry flags="VALUE_WORKSPACE_PATH" kind="sourcePath" name="lv_examples"/>
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<entry flags="VALUE_WORKSPACE_PATH" kind="sourcePath" name="lvgl"/>
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<entry flags="VALUE_WORKSPACE_PATH" kind="sourcePath" name="main"/>
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<storageModule moduleId="org.eclipse.cdt.core.externalSettings"/>
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</cconfiguration>
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<storageModule moduleId="cdtBuildSystem" version="4.0.0">
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<project id="hello_world.null.256928934" name="hello_world"/>
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<storageModule moduleId="org.eclipse.cdt.core.LanguageSettingsProviders"/>
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<storageModule moduleId="refreshScope"/>
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<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
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<scannerConfigBuildInfo instanceId="cdt.managedbuild.toolchain.gnu.cross.base.1013439379;cdt.managedbuild.toolchain.gnu.cross.base.1013439379.683091649;cdt.managedbuild.tool.gnu.cross.cpp.compiler.1054223501;cdt.managedbuild.tool.gnu.cpp.compiler.input.2045378480">
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<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
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</scannerConfigBuildInfo>
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<scannerConfigBuildInfo instanceId="cdt.managedbuild.toolchain.gnu.cross.base.1013439379;cdt.managedbuild.toolchain.gnu.cross.base.1013439379.683091649;cdt.managedbuild.tool.gnu.cross.c.compiler.655921103;cdt.managedbuild.tool.gnu.c.compiler.input.1618296825">
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<storageModule moduleId="org.eclipse.cdt.make.core.buildtargets">
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<buildTargets>
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<target name="flash" path="" targetID="org.eclipse.cdt.build.MakeTargetBuilder">
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<buildCommand>make</buildCommand>
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<buildArguments/>
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<buildTarget>flash</buildTarget>
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<stopOnError>true</stopOnError>
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<useDefaultCommand>true</useDefaultCommand>
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<runAllBuilders>true</runAllBuilders>
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<storageModule moduleId="org.eclipse.cdt.internal.ui.text.commentOwnerProjectMappings"/>
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</cproject>

‎.gitignore

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Module.symvers
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Mkfile.old
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dkms.conf
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build/

‎.gitmodules

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[submodule "lvgl"]
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path = lvgl
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url = https://github.com/littlevgl/lvgl.git
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[submodule "lv_examples"]
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path = lv_examples
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url = https://github.com/littlevgl/lv_examples.git

‎.project

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<?xml version="1.0" encoding="UTF-8"?>
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<projectDescription>
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<name>esp32_ili9341</name>
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<comment></comment>
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<projects>
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</projects>
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<buildSpec>
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<buildCommand>
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<name>org.eclipse.cdt.managedbuilder.core.genmakebuilder</name>
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<triggers>clean,full,incremental,</triggers>
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<arguments>
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</arguments>
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</buildCommand>
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<buildCommand>
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<name>org.eclipse.cdt.managedbuilder.core.ScannerConfigBuilder</name>
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<triggers>full,incremental,</triggers>
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<arguments>
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</arguments>
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</buildCommand>
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</buildSpec>
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<natures>
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<nature>org.eclipse.cdt.core.cnature</nature>
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<nature>org.eclipse.cdt.core.ccnature</nature>
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<nature>org.eclipse.cdt.managedbuilder.core.managedBuildNature</nature>
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<nature>org.eclipse.cdt.managedbuilder.core.ScannerConfigNature</nature>
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</natures>
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</projectDescription>

‎.settings/language.settings.xml

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<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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<project>
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<configuration id="cdt.managedbuild.toolchain.gnu.cross.base.1013439379" name="Default">
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<extension point="org.eclipse.cdt.core.LanguageSettingsProvider">
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<provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/>
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<provider-reference id="org.eclipse.cdt.core.ReferencedProjectsLanguageSettingsProvider" ref="shared-provider"/>
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<provider copy-of="extension" id="org.eclipse.cdt.managedbuilder.core.GCCBuildCommandParser"/>
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<provider class="org.eclipse.cdt.internal.build.crossgcc.CrossGCCBuiltinSpecsDetector" console="false" env-hash="389348143683409677" id="org.eclipse.cdt.build.crossgcc.CrossGCCBuiltinSpecsDetector" keep-relative-paths="false" name="CDT Cross GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true">
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<language-scope id="org.eclipse.cdt.core.gcc"/>
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<language-scope id="org.eclipse.cdt.core.g++"/>
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</provider>
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<provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/>
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</extension>
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</configuration>
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</project>

‎.settings/org.eclipse.cdt.core.prefs

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eclipse.preferences.version=1
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environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1257239843/V/delimiter=\:
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environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1257239843/V/operation=append
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environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1257239843/V/value=1
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environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1257239843/append=true
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environment/project/cdt.managedbuild.toolchain.gnu.cross.base.1257239843/appendContributed=true

‎Makefile

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#
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# This is a project Makefile. It is assumed the directory this Makefile resides in is a
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# project subdirectory.
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#
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PROJECT_NAME := hello-world
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# Add new components (source folders)
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# Must be before include $(IDF_PATH)/make/project.mk
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# $(PROJECT_PATH)/xxx didn't work -> use $(abspath xxx) instead
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EXTRA_COMPONENT_DIRS := $(abspath drv) $(abspath lvgl) $(abspath lv_examples)
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include $(IDF_PATH)/make/project.mk
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‎README.md

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# esp32_ili9431
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LittlevGL ported to ESP32 using ILI9341 display controller
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1. Install ESP-IDF: http://esp-idf.readthedocs.io/en/latest/
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2. To link LittlevGL (lvgl) and lv_examples with ESP-IDF you need to add a **component.mk** file to each directory. Next to this REAMDE file you find two example component.mk files
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- lvgl_component.mk
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- lv_example_component.mk
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Rename them to component.mk and copy to the lvgl and lv_examples directories.

‎drv/component.mk

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# drv

‎drv/disp_spi.c

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/**
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* @file disp_spi.c
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*
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*/
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/*********************
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* INCLUDES
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*********************/
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#include "disp_spi.h"
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#include "esp_system.h"
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#include "driver/gpio.h"
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#include "driver/spi_master.h"
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#include <string.h>
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/*********************
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* DEFINES
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*********************/
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/**********************
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* TYPEDEFS
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**********************/
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/**********************
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* STATIC PROTOTYPES
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**********************/
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static spi_device_handle_t spi;
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/**********************
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* STATIC VARIABLES
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**********************/
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/**********************
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* MACROS
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**********************/
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/**********************
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* GLOBAL FUNCTIONS
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**********************/
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void disp_spi_init(void)
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{
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esp_err_t ret;
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spi_bus_config_t buscfg={
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.miso_io_num=-1,
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.mosi_io_num=DISP_SPI_MOSI,
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.sclk_io_num=DISP_SPI_CLK,
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.quadwp_io_num=-1,
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.quadhd_io_num=-1
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};
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spi_device_interface_config_t devcfg={
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.clock_speed_hz=80*1000*1000, //Clock out at 80 MHz
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.mode=0, //SPI mode 0
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.spics_io_num=DISP_SPI_CS, //CS pin
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.queue_size=1,
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.pre_cb=NULL,
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.post_cb=NULL,
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};
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//Initialize the SPI bus
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ret=spi_bus_initialize(VSPI_HOST, &buscfg, 1);
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assert(ret==ESP_OK);
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//Attach the LCD to the SPI bus
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ret=spi_bus_add_device(VSPI_HOST, &devcfg, &spi);
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assert(ret==ESP_OK);
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}
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void disp_spi_send(uint8_t * data, uint16_t length)
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{
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if (length == 0) return; //no need to send anything
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spi_transaction_t t;
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memset(&t, 0, sizeof(t)); //Zero out the transaction
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t.length = length * 8; //Length is in bytes, transaction length is in bits.
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t.tx_buffer = data; //Data
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esp_err_t ret;
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// ret=spi_device_transmit(spi, &t); //Transmit!
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// assert(ret==ESP_OK); //Should have had no issues.
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spi_device_queue_trans(spi, &t, portMAX_DELAY);
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spi_transaction_t * rt;
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spi_device_get_trans_result(spi, &rt, portMAX_DELAY);
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}
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/**********************
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* STATIC FUNCTIONS
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**********************/

‎drv/disp_spi.h

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/**
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* @file lv_templ.h
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*
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*/
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#ifndef LV_TEMPL_H
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#define LV_TEMPL_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*********************
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* INCLUDES
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*********************/
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#include <stdint.h>
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/*********************
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* DEFINES
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*********************/
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#define DISP_SPI_MOSI 23
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#define DISP_SPI_CLK 18
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#define DISP_SPI_CS 17
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/**********************
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* TYPEDEFS
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**********************/
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/**********************
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* GLOBAL PROTOTYPES
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**********************/
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void disp_spi_init(void);
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void disp_spi_send(uint8_t * data, uint16_t length);
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/**********************
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* MACROS
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**********************/
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /*LV_TEMPL_H*/

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