Add PWM demo code
Add PWM demo code. We use libsoc for handling PWM.
This commit is contained in:
parent
8ddd35a86c
commit
5b6fdce273
|
|
@ -0,0 +1,65 @@
|
|||
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
|
||||
<?fileVersion 4.0.0?><cproject storage_type_id="org.eclipse.cdt.core.XmlProjectDescriptionStorage">
|
||||
<storageModule moduleId="org.eclipse.cdt.core.settings">
|
||||
<cconfiguration id="cdt.managedbuild.config.gnu.cross.exe.debug.2021969369">
|
||||
<storageModule buildSystemId="org.eclipse.cdt.managedbuilder.core.configurationDataProvider" id="cdt.managedbuild.config.gnu.cross.exe.debug.2021969369" moduleId="org.eclipse.cdt.core.settings" name="Debug">
|
||||
<externalSettings/>
|
||||
<extensions>
|
||||
<extension id="org.eclipse.cdt.core.ELF" point="org.eclipse.cdt.core.BinaryParser"/>
|
||||
<extension id="org.eclipse.cdt.core.GASErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
|
||||
<extension id="org.eclipse.cdt.core.GmakeErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
|
||||
<extension id="org.eclipse.cdt.core.GLDErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
|
||||
<extension id="org.eclipse.cdt.core.CWDLocator" point="org.eclipse.cdt.core.ErrorParser"/>
|
||||
<extension id="org.eclipse.cdt.core.GCCErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
|
||||
</extensions>
|
||||
</storageModule>
|
||||
<storageModule moduleId="cdtBuildSystem" version="4.0.0">
|
||||
<configuration artifactName="${ProjName}" buildArtefactType="org.eclipse.cdt.build.core.buildArtefactType.exe" buildProperties="org.eclipse.cdt.build.core.buildArtefactType=org.eclipse.cdt.build.core.buildArtefactType.exe,org.eclipse.cdt.build.core.buildType=org.eclipse.cdt.build.core.buildType.debug" cleanCommand="rm -rf" description="" id="cdt.managedbuild.config.gnu.cross.exe.debug.2021969369" name="Debug" parent="cdt.managedbuild.config.gnu.cross.exe.debug">
|
||||
<folderInfo id="cdt.managedbuild.config.gnu.cross.exe.debug.2021969369." name="/" resourcePath="">
|
||||
<toolChain id="cdt.managedbuild.toolchain.gnu.cross.exe.debug.820647595" name="Cross GCC" superClass="cdt.managedbuild.toolchain.gnu.cross.exe.debug">
|
||||
<targetPlatform archList="all" binaryParser="org.eclipse.cdt.core.ELF" id="cdt.managedbuild.targetPlatform.gnu.cross.548900668" isAbstract="false" osList="all" superClass="cdt.managedbuild.targetPlatform.gnu.cross"/>
|
||||
<builder buildPath="${workspace_loc:/pwm}/Debug" id="cdt.managedbuild.builder.gnu.cross.1375415820" keepEnvironmentInBuildfile="false" managedBuildOn="true" name="Gnu Make Builder" superClass="cdt.managedbuild.builder.gnu.cross"/>
|
||||
<tool command="${CC}" id="cdt.managedbuild.tool.gnu.cross.c.compiler.1368914442" name="Cross GCC Compiler" superClass="cdt.managedbuild.tool.gnu.cross.c.compiler">
|
||||
<option defaultValue="gnu.c.optimization.level.none" id="gnu.c.compiler.option.optimization.level.698258441" name="Optimization Level" superClass="gnu.c.compiler.option.optimization.level" useByScannerDiscovery="false" valueType="enumerated"/>
|
||||
<option id="gnu.c.compiler.option.debugging.level.1327264068" name="Debug Level" superClass="gnu.c.compiler.option.debugging.level" useByScannerDiscovery="false" value="gnu.c.debugging.level.max" valueType="enumerated"/>
|
||||
<option id="gnu.c.compiler.option.misc.other.1221019590" name="Other flags" superClass="gnu.c.compiler.option.misc.other" useByScannerDiscovery="false" value="${CFLAGS} -c --sysroot=/usr/local/oecore-x86_64/sysroots/armv7at2hf-neon-angstrom-linux-gnueabi/" valueType="string"/>
|
||||
<inputType id="cdt.managedbuild.tool.gnu.c.compiler.input.1557145701" superClass="cdt.managedbuild.tool.gnu.c.compiler.input"/>
|
||||
</tool>
|
||||
<tool id="cdt.managedbuild.tool.gnu.cross.cpp.compiler.1069541434" name="Cross G++ Compiler" superClass="cdt.managedbuild.tool.gnu.cross.cpp.compiler">
|
||||
<option id="gnu.cpp.compiler.option.optimization.level.1671402547" name="Optimization Level" superClass="gnu.cpp.compiler.option.optimization.level" useByScannerDiscovery="false" value="gnu.cpp.compiler.optimization.level.none" valueType="enumerated"/>
|
||||
<option id="gnu.cpp.compiler.option.debugging.level.1127804250" name="Debug Level" superClass="gnu.cpp.compiler.option.debugging.level" useByScannerDiscovery="false" value="gnu.cpp.compiler.debugging.level.max" valueType="enumerated"/>
|
||||
</tool>
|
||||
<tool command="${CC}" id="cdt.managedbuild.tool.gnu.cross.c.linker.760587897" name="Cross GCC Linker" superClass="cdt.managedbuild.tool.gnu.cross.c.linker">
|
||||
<option id="gnu.c.link.option.libs.866397045" superClass="gnu.c.link.option.libs" useByScannerDiscovery="false" valueType="libs">
|
||||
<listOptionValue builtIn="false" value="soc"/>
|
||||
</option>
|
||||
<inputType id="cdt.managedbuild.tool.gnu.c.linker.input.706772069" superClass="cdt.managedbuild.tool.gnu.c.linker.input">
|
||||
<additionalInput kind="additionalinputdependency" paths="$(USER_OBJS)"/>
|
||||
<additionalInput kind="additionalinput" paths="$(LIBS)"/>
|
||||
</inputType>
|
||||
</tool>
|
||||
<tool id="cdt.managedbuild.tool.gnu.cross.cpp.linker.1290357125" name="Cross G++ Linker" superClass="cdt.managedbuild.tool.gnu.cross.cpp.linker"/>
|
||||
<tool id="cdt.managedbuild.tool.gnu.cross.archiver.219000133" name="Cross GCC Archiver" superClass="cdt.managedbuild.tool.gnu.cross.archiver"/>
|
||||
<tool command="${AS}" id="cdt.managedbuild.tool.gnu.cross.assembler.755294849" name="Cross GCC Assembler" superClass="cdt.managedbuild.tool.gnu.cross.assembler">
|
||||
<inputType id="cdt.managedbuild.tool.gnu.assembler.input.19622702" superClass="cdt.managedbuild.tool.gnu.assembler.input"/>
|
||||
</tool>
|
||||
</toolChain>
|
||||
</folderInfo>
|
||||
</configuration>
|
||||
</storageModule>
|
||||
<storageModule moduleId="org.eclipse.cdt.core.externalSettings"/>
|
||||
</cconfiguration>
|
||||
</storageModule>
|
||||
<storageModule moduleId="cdtBuildSystem" version="4.0.0">
|
||||
<project id="pwm.cdt.managedbuild.target.gnu.cross.exe.1936458768" name="Executable" projectType="cdt.managedbuild.target.gnu.cross.exe"/>
|
||||
</storageModule>
|
||||
<storageModule moduleId="scannerConfiguration">
|
||||
<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
|
||||
<scannerConfigBuildInfo instanceId="cdt.managedbuild.config.gnu.cross.exe.debug.2021969369;cdt.managedbuild.config.gnu.cross.exe.debug.2021969369.;cdt.managedbuild.tool.gnu.cross.c.compiler.1368914442;cdt.managedbuild.tool.gnu.c.compiler.input.1557145701">
|
||||
<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
|
||||
</scannerConfigBuildInfo>
|
||||
</storageModule>
|
||||
<storageModule moduleId="org.eclipse.cdt.core.LanguageSettingsProviders"/>
|
||||
<storageModule moduleId="org.eclipse.cdt.make.core.buildtargets"/>
|
||||
<storageModule moduleId="refreshScope"/>
|
||||
</cproject>
|
||||
|
|
@ -0,0 +1 @@
|
|||
/Debug/
|
||||
|
|
@ -0,0 +1,26 @@
|
|||
<?xml version="1.0" encoding="UTF-8"?>
|
||||
<projectDescription>
|
||||
<name>pwm</name>
|
||||
<comment></comment>
|
||||
<projects>
|
||||
</projects>
|
||||
<buildSpec>
|
||||
<buildCommand>
|
||||
<name>org.eclipse.cdt.managedbuilder.core.genmakebuilder</name>
|
||||
<triggers>clean,full,incremental,</triggers>
|
||||
<arguments>
|
||||
</arguments>
|
||||
</buildCommand>
|
||||
<buildCommand>
|
||||
<name>org.eclipse.cdt.managedbuilder.core.ScannerConfigBuilder</name>
|
||||
<triggers>full,incremental,</triggers>
|
||||
<arguments>
|
||||
</arguments>
|
||||
</buildCommand>
|
||||
</buildSpec>
|
||||
<natures>
|
||||
<nature>org.eclipse.cdt.core.cnature</nature>
|
||||
<nature>org.eclipse.cdt.managedbuilder.core.managedBuildNature</nature>
|
||||
<nature>org.eclipse.cdt.managedbuilder.core.ScannerConfigNature</nature>
|
||||
</natures>
|
||||
</projectDescription>
|
||||
|
|
@ -0,0 +1,14 @@
|
|||
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
|
||||
<project>
|
||||
<configuration id="cdt.managedbuild.config.gnu.cross.exe.debug.2021969369" name="Debug">
|
||||
<extension point="org.eclipse.cdt.core.LanguageSettingsProvider">
|
||||
<provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/>
|
||||
<provider-reference id="org.eclipse.cdt.core.ReferencedProjectsLanguageSettingsProvider" ref="shared-provider"/>
|
||||
<provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/>
|
||||
<provider class="org.eclipse.cdt.internal.build.crossgcc.CrossGCCBuiltinSpecsDetector" console="false" env-hash="666590290315624892" id="org.eclipse.cdt.build.crossgcc.CrossGCCBuiltinSpecsDetector" keep-relative-paths="false" name="CDT Cross GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} -E -P -v -dD "${INPUTS}"" prefer-non-shared="true">
|
||||
<language-scope id="org.eclipse.cdt.core.gcc"/>
|
||||
<language-scope id="org.eclipse.cdt.core.g++"/>
|
||||
</provider>
|
||||
</extension>
|
||||
</configuration>
|
||||
</project>
|
||||
|
|
@ -0,0 +1,61 @@
|
|||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <errno.h>
|
||||
#include <unistd.h>
|
||||
#include <stdint.h>
|
||||
#include <stdbool.h>
|
||||
#include <libsoc_pwm.h>
|
||||
|
||||
/*
|
||||
* libsoc PWM API Documentation: https://jackmitch.github.io/libsoc/c/pwm/
|
||||
*/
|
||||
|
||||
int main(void)
|
||||
{
|
||||
pwm* vf_pwm = NULL;
|
||||
uint32_t ret = EXIT_SUCCESS;
|
||||
uint32_t pwm_period = 0;
|
||||
uint32_t pwm_duty_cycle = 0;
|
||||
|
||||
vf_pwm = libsoc_pwm_request(0, 0, LS_WEAK);
|
||||
if (vf_pwm == NULL) {
|
||||
perror("PWM request failed");
|
||||
return EXIT_FAILURE;
|
||||
}
|
||||
|
||||
printf("Enter PWM Period:\t");
|
||||
scanf("%d", &pwm_period);
|
||||
ret = libsoc_pwm_set_period(vf_pwm, pwm_period);
|
||||
if (ret == EXIT_FAILURE) {
|
||||
perror("PWM set period failed");
|
||||
goto exit_failure;
|
||||
}
|
||||
|
||||
printf("Enter PWM Duty Cycle:\t");
|
||||
scanf("%d", &pwm_duty_cycle);
|
||||
ret = libsoc_pwm_set_duty_cycle(vf_pwm, pwm_duty_cycle);
|
||||
if (ret == EXIT_FAILURE) {
|
||||
perror("PWM set duty cycle failed");
|
||||
goto exit_failure;
|
||||
}
|
||||
|
||||
ret = libsoc_pwm_set_enabled(vf_pwm, ENABLED);
|
||||
if (ret == EXIT_FAILURE) {
|
||||
perror("PWM enable failed");
|
||||
goto exit_failure;
|
||||
}
|
||||
|
||||
printf("PWM will be running for 10 seconds\n");
|
||||
sleep(10);
|
||||
|
||||
printf("Disabling PWM\n");
|
||||
ret = libsoc_pwm_set_enabled(vf_pwm, DISABLED);
|
||||
if (ret == EXIT_FAILURE)
|
||||
perror("PWM disable failed");
|
||||
|
||||
exit_failure:
|
||||
libsoc_pwm_free(vf_pwm);
|
||||
|
||||
return ret;
|
||||
}
|
||||
Loading…
Reference in New Issue