initial
This commit is contained in:
Wolfgang Hottgenroth
commit
0b777f805a
58
.cproject
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58
.cproject
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<?xml version="1.0" encoding="UTF-8" standalone="no"?>
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<?fileVersion 4.0.0?>
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<cproject storage_type_id="org.eclipse.cdt.core.XmlProjectDescriptionStorage">
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<storageModule moduleId="org.eclipse.cdt.core.settings">
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<cconfiguration id="dk.xpg.msp430eclipse.configuration.app.release.1341616894">
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<storageModule buildSystemId="org.eclipse.cdt.managedbuilder.core.configurationDataProvider" id="dk.xpg.msp430eclipse.configuration.app.release.1341616894" moduleId="org.eclipse.cdt.core.settings" name="Release">
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<externalSettings/>
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<extensions>
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<extension id="org.eclipse.cdt.core.ELF" point="org.eclipse.cdt.core.BinaryParser"/>
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<extension id="org.eclipse.cdt.core.VCErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
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<extension id="org.eclipse.cdt.core.GmakeErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
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<extension id="org.eclipse.cdt.core.CWDLocator" point="org.eclipse.cdt.core.ErrorParser"/>
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<extension id="org.eclipse.cdt.core.MakeErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
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<extension id="org.eclipse.cdt.core.GCCErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
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<extension id="org.eclipse.cdt.core.GASErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
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<extension id="org.eclipse.cdt.core.GLDErrorParser" point="org.eclipse.cdt.core.ErrorParser"/>
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</extensions>
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</storageModule>
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<storageModule moduleId="cdtBuildSystem" version="4.0.0">
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<configuration artifactExtension="elf" artifactName="${ProjName}" buildArtefactType="dk.xpg.msp430eclipse.buildArtefactType.app" buildProperties="org.eclipse.cdt.build.core.buildType=org.eclipse.cdt.build.core.buildType.release,org.eclipse.cdt.build.core.buildArtefactType=dk.xpg.msp430eclipse.buildArtefactType.app" cleanCommand="rm -rf" description="" errorParsers="org.eclipse.cdt.core.MakeErrorParser;org.eclipse.cdt.core.GCCErrorParser;org.eclipse.cdt.core.GLDErrorParser;org.eclipse.cdt.core.GASErrorParser;org.eclipse.cdt.core.VCErrorParser" id="dk.xpg.msp430eclipse.configuration.app.release.1341616894" name="Release" parent="dk.xpg.msp430eclipse.configuration.app.release">
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<folderInfo id="dk.xpg.msp430eclipse.configuration.app.release.1341616894." name="/" resourcePath="">
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<toolChain id="dk.xpg.msp430eclipse.toolchain.gcc.app.release.1721391443" name="MSP430 GCC Toolchain" superClass="dk.xpg.msp430eclipse.toolchain.gcc.app.release">
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<targetPlatform archList="all" binaryParser="org.eclipse.cdt.core.ELF" id="dk.xpg.msp430eclipse.targetplatform.msp430.141839182" isAbstract="false" name="MSP430 Cross-Target" osList="all" superClass="dk.xpg.msp430eclipse.targetplatform.msp430"/>
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<builder buildPath="${workspace_loc:/SMPS2}/Release" id="dk.xpg.msp430eclipse.target.gnu.builder.2098780814" keepEnvironmentInBuildfile="false" managedBuildOn="true" name="MSP430 GNU Make Builder" superClass="dk.xpg.msp430eclipse.target.gnu.builder"/>
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<tool id="dk.xpg.msp430eclipse.tool.compiler.gcc.898556828" name="MSP430 C Compiler" superClass="dk.xpg.msp430eclipse.tool.compiler.gcc">
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<option defaultValue="dk.xpg.msp430eclipse.compiler.option.optimization.level.most" id="dk.xpg.msp430eclipse.compiler.option.optimization.level.1899936733" name="Optimization Level" superClass="dk.xpg.msp430eclipse.compiler.option.optimization.level" valueType="enumerated"/>
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<option defaultValue="dk.xpg.msp430eclipse.compiler.option.debugging.level.none" id="dk.xpg.msp430eclipse.compiler.option.debugging.level.836801600" name="Debugging Level" superClass="dk.xpg.msp430eclipse.compiler.option.debugging.level" valueType="enumerated"/>
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<inputType id="dk.xpg.msp430eclipse.tool.compiler.gcc.input.1995414162" name="C Source File" superClass="dk.xpg.msp430eclipse.tool.compiler.gcc.input"/>
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<inputType id="dk.xpg.msp430eclipse.tool.compiler.gcc.input.cc.1834168683" name="C++ Source File" superClass="dk.xpg.msp430eclipse.tool.compiler.gcc.input.cc"/>
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</tool>
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<tool id="dk.xpg.msp430eclipse.tool.assembler.gcc.82270858" name="MSP430 Assembler" superClass="dk.xpg.msp430eclipse.tool.assembler.gcc">
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<inputType id="dk.xpg.msp430eclipse.tool.assembler.input.2093820839" name="Assembler Files" superClass="dk.xpg.msp430eclipse.tool.assembler.input"/>
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</tool>
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<tool id="dk.xpg.msp430eclipse.tool.linker.gcc.642305468" name="MSP430 Linker" superClass="dk.xpg.msp430eclipse.tool.linker.gcc">
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<inputType id="dk.xpg.msp430eclipse.tool.linker.input.2047489715" name="Object Files" superClass="dk.xpg.msp430eclipse.tool.linker.input"/>
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</tool>
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<tool id="dk.xpg.msp430eclipse.tool.archiver.gcc.1424316528" name="MSP430 Archiver" superClass="dk.xpg.msp430eclipse.tool.archiver.gcc"/>
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</toolChain>
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</folderInfo>
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<sourceEntries>
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<entry excluding="src" flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name=""/>
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<entry flags="VALUE_WORKSPACE_PATH|RESOLVED" kind="sourcePath" name="src"/>
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</sourceEntries>
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</configuration>
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</storageModule>
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<storageModule moduleId="org.eclipse.cdt.core.externalSettings"/>
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</cconfiguration>
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</storageModule>
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<storageModule moduleId="cdtBuildSystem" version="4.0.0">
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<project id="SMPS2.dk.xpg.msp430eclipse.project.gcc.elf.1705767773" name="MSP430 Cross Target Application" projectType="dk.xpg.msp430eclipse.project.gcc.elf"/>
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</storageModule>
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<storageModule moduleId="scannerConfiguration">
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<autodiscovery enabled="true" problemReportingEnabled="true" selectedProfileId=""/>
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</storageModule>
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<storageModule moduleId="org.eclipse.cdt.core.LanguageSettingsProviders"/>
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<storageModule moduleId="refreshScope"/>
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</cproject>
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28
.project
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28
.project
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<?xml version="1.0" encoding="UTF-8"?>
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<projectDescription>
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<name>SMPS2</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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<nature>dk.xpg.msp430eclipse.msp430nature</nature>
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</natures>
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</projectDescription>
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2
.settings/dk.xpg.msp430eclipse.prefs
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2
.settings/dk.xpg.msp430eclipse.prefs
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eclipse.preferences.version=1
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msp430/MSP430TARGETMCU=msp430g2553
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49
src/main.cpp
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49
src/main.cpp
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/*
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* main.cpp
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*
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* Created on: 08. 02. 2015
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* Author: wn
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*/
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#include <msp430g2553.h>
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#include <stdint.h>
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#include <intrinsics.h>
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#include <isr_compat.h>
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#include "uart.h"
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#include "time.h"
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int main() {
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WDTCTL = WDTPW | WDTHOLD;
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// P1DIR |= BIT6;
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// P1SEL |= BIT6;
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// P1SEL2 &= ~BIT6;
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//
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// TACCR0 = 1024;
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// TACCR1 = 128;
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// TACCTL0 = CCIE | OUTMOD_7;
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// TACTL = MC_1 | ID_0 | TASSEL_1 | TACLR;
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uartInit();
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timeInit();
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__enable_interrupt();
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uartWrite('W');
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uint32_t c = 0;
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while (1) {
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c++;
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if (c >= 100000) {
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c = 0;
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uartWrite('x');
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}
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}
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}
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53
src/time.cpp
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53
src/time.cpp
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/*
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* time.c
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*
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* Created on: 20.05.2014
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* Author: wn
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*/
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#include <msp430g2553.h>
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#include <isr_compat.h>
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#include <stdint.h>
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#include "time.h"
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volatile unsigned long timestamp;
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//ISR(TIMER0_A0, TA0_ISR) {
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// static uint8_t state = 0;
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//
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// timestamp++;
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//
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// switch (state) {
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// case 0:
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// P1OUT = BIT0;
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// state = 1;
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// break;
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// case 1:
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// P1OUT = BIT6;
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// state = 0;
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// break;
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// default:
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// state = 0;
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// }
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//}
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void timeInit() {
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timestamp = 0;
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P1DIR |= BIT6;
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P1SEL |= BIT6;
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P1OUT = 0;
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TACCR0 = 1024;
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TACCR1 = 768;
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TACCTL1 = OUTMOD_7;
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TACTL = MC_1 | ID_0 | TASSEL_2 | TACLR;
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}
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unsigned long millis() {
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return timestamp;
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}
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19
src/time.h
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19
src/time.h
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/*
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* time.h
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*
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* Created on: 20.05.2014
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* Author: wn
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*/
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#ifndef TIME_H_
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#define TIME_H_
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void timeInit();
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unsigned long millis();
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#endif /* TIME_H_ */
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128
src/uart.cpp
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128
src/uart.cpp
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#include <msp430g2553.h>
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#include <stdio.h>
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#include <isr_compat.h>
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#include "uart.h"
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volatile uint8_t txBuffer[UART_TX_BUFFER_SIZE+5];
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volatile uint8_t txBufferReadIdx = 0;
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volatile uint8_t txBufferWriteIdx = 0;
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volatile uint8_t rxBuffer[UART_RX_BUFFER_SIZE+5];
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volatile uint8_t rxBufferReadIdx = 0;
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volatile uint8_t rxBufferWriteIdx = 0;
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static inline void enableDataRegisterEmptyInterrupt() {
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IE2 |= UCA0TXIE;
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}
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static inline void disableDataRegisterEmptyInterrupt() {
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IE2 &= ~UCA0TXIE;
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}
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void uartInit() {
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UCA0CTL1 |= UCSWRST;
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P1SEL = BIT1 + BIT2; // select secondary function TX, RX
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P1SEL2 = BIT1 + BIT2; // dti
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UCA0CTL0 |= UCPEN | UCPAR; // even parity
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UCA0CTL1 |= UCSSEL0; // ACLK
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UCA0BR0 = 13; // divider for 2400@32768
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UCA0BR1 = 0;
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UCA0MCTL = UCBRS1 | UCBRS2; // modulator for 2400@32768
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UCA0CTL1 &= ~UCSWRST;
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IE2 |= UCA0RXIE;
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}
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void uartWrite(uint8_t o) {
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if (txBufferWriteIdx == (UART_TX_BUFFER_SIZE - 1)) {
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while (txBufferReadIdx == UART_TX_BUFFER_SIZE);
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} else {
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while (txBufferReadIdx == (txBufferWriteIdx + 1));
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}
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txBuffer[txBufferWriteIdx] = o;
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txBufferWriteIdx++;
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if (txBufferWriteIdx > UART_TX_BUFFER_SIZE) {
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txBufferWriteIdx = 0;
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}
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enableDataRegisterEmptyInterrupt();
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}
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//int uartPutchar(char c, FILE *stream) {
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// if (c == '\n')
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// uartPutchar('\r', stream);
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// uartWrite((uint8_t) c);
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// return 0;
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//}
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ISR(USCIAB0TX, UART_TX_ISR) {
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if ((IFG2 & UCA0TXIE) != 0) {
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if (txBufferReadIdx != txBufferWriteIdx) {
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UCA0TXBUF = txBuffer[txBufferReadIdx];
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txBufferReadIdx++;
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if (txBufferReadIdx > UART_TX_BUFFER_SIZE) {
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txBufferReadIdx = 0;
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}
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} else {
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disableDataRegisterEmptyInterrupt();
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}
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}
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}
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ISR(USCIAB0RX, UART_RX_ISR) {
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while ((IFG2 & UCA0RXIE) != 0) {
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if (rxBufferWriteIdx == UART_RX_BUFFER_SIZE - 1) {
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if (rxBufferReadIdx == UART_RX_BUFFER_SIZE) {
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// rx buffer overflow
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}
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} else {
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if (rxBufferReadIdx == rxBufferWriteIdx + 1) {
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// rx buffer overflow
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}
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}
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rxBuffer[rxBufferWriteIdx] = UCA0RXBUF;
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rxBufferWriteIdx++;
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if (rxBufferWriteIdx > UART_RX_BUFFER_SIZE) {
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rxBufferWriteIdx = 0;
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}
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}
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}
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uint8_t uartHasChar() {
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return rxBufferWriteIdx != rxBufferReadIdx;
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}
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uint8_t uartGetChar() {
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uint8_t c = rxBuffer[rxBufferReadIdx];
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rxBufferReadIdx++;
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if (rxBufferReadIdx > UART_RX_BUFFER_SIZE) {
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rxBufferReadIdx = 0;
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}
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return c;
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}
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int uartRead() {
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int res = -1;
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if (uartHasChar()) {
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res = uartGetChar();
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}
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return res;
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}
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22
src/uart.h
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22
src/uart.h
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#ifndef UART_H_
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#define UART_H_
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#include <stdint.h>
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// #include <stdio.h>
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#define UART_TX_BUFFER_SIZE 32
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#define UART_RX_BUFFER_SIZE 16
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void uartInit();
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// int uartPutchar(char c, FILE *stream);
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void uartWrite(uint8_t o);
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uint8_t uartHasChar();
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uint8_t uartGetChar();
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int uartRead();
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#endif /* UART_H_ */
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