usart revised
This commit is contained in:
Tristan Krause
parent
3f0fe49644
commit
ff84de538a
|
|
@ -12,7 +12,11 @@
|
|||
</component>
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<list default="true" id="d13a1bae-0fd7-48fc-b53c-d6dd1aaf95b9" name="Default Changelist" comment="">
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|
||||
<change beforePath="$PROJECT_DIR$/drv/b15f.cpp" beforeDir="false" afterPath="$PROJECT_DIR$/drv/b15f.cpp" afterDir="false" />
|
||||
<change beforePath="$PROJECT_DIR$/drv/timeoutexception.h" beforeDir="false" afterPath="$PROJECT_DIR$/drv/timeoutexception.h" afterDir="false" />
|
||||
<change beforePath="$PROJECT_DIR$/drv/usart.cpp" beforeDir="false" afterPath="$PROJECT_DIR$/drv/usart.cpp" afterDir="false" />
|
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<change beforePath="$PROJECT_DIR$/drv/usart.cpp.orig" beforeDir="false" />
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<change beforePath="$PROJECT_DIR$/drv/usart.h" beforeDir="false" afterPath="$PROJECT_DIR$/drv/usart.h" afterDir="false" />
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<ignored path="$PROJECT_DIR$/cmake-build-debug/" />
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|
|
@ -40,7 +44,7 @@
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<entry file="file://$PROJECT_DIR$/drv/usart.h">
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@ -48,13 +52,25 @@
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<entry file="file://$PROJECT_DIR$/drv/usart.cpp">
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<file pinned="false" current-in-tab="false">
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</file>
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<file pinned="false" current-in-tab="false">
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<entry file="file://$PROJECT_DIR$/drv/timeoutexception.h">
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<provider selected="true" editor-type-id="text-editor">
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</folding>
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</state>
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</provider>
|
||||
|
|
@ -63,7 +79,7 @@
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|||
<file pinned="false" current-in-tab="false">
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||||
<entry file="file://$PROJECT_DIR$/drv/backup.cpp">
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<provider selected="true" editor-type-id="text-editor">
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<state relative-caret-position="546">
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<state relative-caret-position="780">
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</state>
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</provider>
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||||
|
|
@ -72,7 +88,7 @@
|
|||
<file pinned="false" current-in-tab="false">
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<entry file="file://$PROJECT_DIR$/drv/b15f.h">
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||||
<provider selected="true" editor-type-id="text-editor">
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</provider>
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|
|
@ -81,8 +97,17 @@
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<file pinned="false" current-in-tab="false">
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<entry file="file://$PROJECT_DIR$/drv/b15f.cpp">
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<provider selected="true" editor-type-id="text-editor">
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<file pinned="false" current-in-tab="true">
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<entry file="file://$PROJECT_DIR$/cli.cpp">
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</provider>
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</entry>
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|
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@ -110,10 +135,12 @@
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|||
<list>
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||||
<option value="$PROJECT_DIR$/drv/backup.cpp" />
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||||
<option value="$PROJECT_DIR$/drv/usartexception.h" />
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||||
<option value="$PROJECT_DIR$/drv/b15f.cpp" />
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||||
<option value="$PROJECT_DIR$/Makefile" />
|
||||
<option value="$PROJECT_DIR$/drv/timeoutexception.h" />
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||||
<option value="$PROJECT_DIR$/drv/usart.h" />
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||||
<option value="$PROJECT_DIR$/drv/usart.cpp" />
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||||
<option value="$PROJECT_DIR$/drv/b15f.cpp" />
|
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<option value="$PROJECT_DIR$/cli.cpp" />
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</list>
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</option>
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</component>
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||||
|
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@ -197,18 +224,18 @@
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|||
<updated>1559118962147</updated>
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<workItem from="1559118964304" duration="1913000" />
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<workItem from="1559633658436" duration="5344000" />
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<workItem from="1559813060146" duration="1344000" />
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<workItem from="1559813060146" duration="2140000" />
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</task>
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<servers />
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</component>
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<component name="TimeTrackingManager">
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<option name="totallyTimeSpent" value="8601000" />
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<option name="totallyTimeSpent" value="9397000" />
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</component>
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<component name="ToolWindowManager">
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<frame x="67" y="25" width="1853" height="1055" extended-state="6" />
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<editor active="true" />
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<layout>
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<window_info content_ui="combo" id="Project" order="0" visible="true" weight="0.255119" />
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<window_info active="true" content_ui="combo" id="Project" order="0" visible="true" weight="0.255119" />
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<window_info id="Structure" order="1" side_tool="true" weight="0.25" />
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<window_info id="Favorites" order="2" side_tool="true" />
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<window_info anchor="bottom" id="Message" order="0" />
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|
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@ -220,7 +247,7 @@
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|||
<window_info anchor="bottom" id="TODO" order="6" />
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<window_info anchor="bottom" id="Database Changes" order="7" />
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<window_info anchor="bottom" id="Messages" order="8" weight="0.32937366" />
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<window_info active="true" anchor="bottom" id="Terminal" order="9" sideWeight="0.4997233" visible="true" weight="0.32181427" />
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<window_info anchor="bottom" id="Terminal" order="9" sideWeight="0.4997233" visible="true" weight="0.32181427" />
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<window_info anchor="bottom" id="Event Log" order="10" sideWeight="0.5002767" side_tool="true" weight="0.32181427" />
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<window_info anchor="bottom" id="Version Control" order="11" />
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<window_info anchor="bottom" id="CMake" order="12" weight="0.33045357" />
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||||
|
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@ -235,13 +262,6 @@
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|||
<option name="version" value="1" />
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</component>
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<component name="editorHistoryManager">
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<entry file="file://$PROJECT_DIR$/drv/usartexception.h">
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<entry file="file://$PROJECT_DIR$/Makefile">
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@ -256,46 +276,73 @@
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</state>
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</provider>
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</entry>
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<entry file="file://$PROJECT_DIR$/drv/b15f.h">
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<entry file="file://$PROJECT_DIR$/drv/b15f.cpp">
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</provider>
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</entry>
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<entry file="file://$PROJECT_DIR$/drv/backup.cpp">
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<provider selected="true" editor-type-id="text-editor">
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</state>
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</provider>
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</entry>
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<entry file="file://$PROJECT_DIR$/drv/usart.h">
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<entry file="file://$PROJECT_DIR$/drv/usartexception.h">
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<provider selected="true" editor-type-id="text-editor">
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<element signature="e#33#51#0" expanded="true" />
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<element signature="e#51#71#0" expanded="true" />
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</folding>
|
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</state>
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</provider>
|
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</entry>
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<entry file="file://$PROJECT_DIR$/drv/timeoutexception.h">
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<provider selected="true" editor-type-id="text-editor">
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</state>
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</entry>
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<entry file="file://$PROJECT_DIR$/drv/b15f.h">
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</state>
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</provider>
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||||
</entry>
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||||
<entry file="file://$PROJECT_DIR$/drv/usart.cpp">
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<provider selected="true" editor-type-id="text-editor">
|
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<folding>
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<element signature="e#0#20#0" expanded="true" />
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</folding>
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</state>
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</provider>
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</entry>
|
||||
<entry file="file://$PROJECT_DIR$/drv/usart.h">
|
||||
<provider selected="true" editor-type-id="text-editor">
|
||||
<state relative-caret-position="396">
|
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<caret line="126" column="44" selection-start-line="126" selection-start-column="44" selection-end-line="126" selection-end-column="44" />
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<folding>
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<element signature="e#33#51#0" expanded="true" />
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</folding>
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</state>
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</provider>
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</entry>
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<entry file="file://$PROJECT_DIR$/drv/b15f.cpp">
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<provider selected="true" editor-type-id="text-editor">
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<state relative-caret-position="375">
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<caret line="154" selection-start-line="154" selection-end-line="154" />
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</state>
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</provider>
|
||||
</entry>
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||||
<entry file="file://$PROJECT_DIR$/cli.cpp">
|
||||
<provider selected="true" editor-type-id="text-editor">
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||||
<state>
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||||
<caret column="2" selection-start-column="2" selection-end-column="2" />
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</state>
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</provider>
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</entry>
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||||
</component>
|
||||
</project>
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||||
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@ -1,4 +1,4 @@
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#define B15F_CLI_DEBUG
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//#define B15F_CLI_DEBUG
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#include <stdio.h>
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#include <ncurses.h> // sudo apt-get install libncurses5-dev
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@ -143,7 +143,6 @@ std::vector<std::string> B15F::getBoardInfo(void)
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uint8_t n;
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usart.receive(&n, 0, sizeof(n));
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std::cout << "len: " << (int) n << std::endl << std::flush;
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while (n--)
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{
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uint8_t len;
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@ -153,8 +152,6 @@ std::vector<std::string> B15F::getBoardInfo(void)
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str[len] = '\0';
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usart.receive(reinterpret_cast<uint8_t *>(&str[0]), 0, len);
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std::cout << &str[0] << std::endl;
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info.push_back(std::string(str));
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||||
}
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||||
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||||
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|||
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@ -2,36 +2,45 @@
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#define TIMEOUTEXCEPTION_H
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#include <exception>
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// SOURCE: https://stackoverflow.com/a/8152888
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#include <string>
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/*! Exception for USART related timeouts. */
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class TimeoutException: public std::exception
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{
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public:
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explicit TimeoutException(const char* message, int timeout) : TimeoutException(std::string(message), timeout)
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/**
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* Constructor
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* @param message as c-string
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*/
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explicit TimeoutException(const char* message) : msg(message)
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{
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||||
}
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||||
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||||
explicit TimeoutException(const std::string& message, int timeout) : msg(message), m_timeout(timeout)
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||||
{
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if(!msg.length())
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msg = "Timeout reached (" + std::to_string(m_timeout) + ")";
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||||
}
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||||
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virtual ~TimeoutException() throw ()
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/**
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* Constructor
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* @param message as c++-string
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*/
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explicit TimeoutException(const std::string& message) : msg(message)
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{
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||||
}
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||||
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||||
/**
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* Standard-destructor
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*/
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virtual ~TimeoutException() = default;
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||||
/**
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* Get failure description
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* @return error message as c-string
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||||
*/
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||||
virtual const char* what() const throw ()
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||||
{
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||||
return msg.c_str();
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||||
}
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||||
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||||
protected:
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std::string msg;
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int m_timeout;
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std::string msg; //!< failure description
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||||
};
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||||
#endif // TIMEOUTEXCEPTION_H
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||||
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|||
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@ -75,15 +75,25 @@ void USART::flushOutputBuffer()
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void USART::receive(uint8_t *buffer, uint16_t offset, uint8_t len)
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||||
{
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||||
int bytes_avail, code;
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||||
auto start = std::chrono::steady_clock::now();
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||||
auto end = std::chrono::steady_clock::now();
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do
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{
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code = ioctl(file_desc, FIONREAD, &bytes_avail);
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||||
if(code)
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if (code)
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throw USARTException(
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||||
std::string(__FUNCTION__) + " failed: " + std::string(__FILE__) + "#" + std::to_string(__LINE__) +
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", " + strerror(code) + " (code " + std::to_string(code) + ")");
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||||
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end = std::chrono::steady_clock::now();
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long elapsed =
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std::chrono::duration_cast<std::chrono::milliseconds>(end - start).count() / 100; // in Dezisekunden
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if (elapsed >= timeout)
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throw TimeoutException(
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std::string(__FUNCTION__) + " failed: " + std::string(__FILE__) + "#" + std::to_string(__LINE__) +
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", " + std::to_string(elapsed) + " / " + std::to_string(timeout) + " ds");
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}
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while(bytes_avail < len);
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while (bytes_avail < len);
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code = read(file_desc, buffer + offset, len);
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if (code != len)
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|||
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@ -1,121 +0,0 @@
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#include <stdexcept>
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#include "usart.h"
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||||
USART::~USART()
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{
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||||
closeDevice();
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||||
}
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||||
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||||
void USART::openDevice(std::string device)
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||||
{
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||||
// Benutze blockierenden Modus
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||||
file_desc = open(device.c_str(), O_RDWR | O_NOCTTY);// | O_NDELAY
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||||
if (file_desc <= 0)
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throw USARTException("Fehler beim Öffnen des Gerätes");
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||||
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||||
struct termios options;
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||||
int code = tcgetattr(file_desc, &options);
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||||
if (code)
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throw USARTException("Fehler beim Lesen der Geräteparameter");
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||||
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||||
options.c_cflag = CS8 | CLOCAL | CREAD;
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||||
options.c_iflag = IGNPAR;
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||||
options.c_oflag = 0;
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||||
options.c_lflag = 0;
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||||
options.c_cc[VMIN] = 0;
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||||
options.c_cc[VTIME] = timeout;
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||||
code = cfsetspeed(&options, baudrate);
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||||
if (code)
|
||||
throw USARTException("Fehler beim Setzen der Baudrate");
|
||||
|
||||
code = tcsetattr(file_desc, TCSANOW, &options);
|
||||
if (code)
|
||||
throw USARTException("Fehler beim Setzen der Geräteparameter");
|
||||
|
||||
code = fcntl(file_desc, F_SETFL, 0); // blockierender Modus
|
||||
if (code)
|
||||
throw USARTException("Fehler beim Aktivieren des blockierenden Modus'");
|
||||
|
||||
clearOutputBuffer();
|
||||
clearInputBuffer();
|
||||
}
|
||||
|
||||
void USART::closeDevice()
|
||||
{
|
||||
if (file_desc > 0)
|
||||
{
|
||||
int code = close(file_desc);
|
||||
if (code)
|
||||
throw USARTException("Fehler beim Schließen des Gerätes");
|
||||
file_desc = -1;
|
||||
}
|
||||
}
|
||||
|
||||
void USART::clearInputBuffer()
|
||||
{
|
||||
int code = tcflush(file_desc, TCIFLUSH);
|
||||
if (code)
|
||||
throw USARTException("Fehler beim Leeren des Eingangspuffers");
|
||||
}
|
||||
|
||||
void USART::clearOutputBuffer()
|
||||
{
|
||||
int code = tcflush(file_desc, TCOFLUSH);
|
||||
if (code)
|
||||
throw USARTException("Fehler beim Leeren des Ausgangspuffers");
|
||||
}
|
||||
|
||||
void USART::flushOutputBuffer()
|
||||
{
|
||||
int code = tcdrain(file_desc);
|
||||
if (code)
|
||||
throw USARTException("Fehler beim Versenden des Ausgangspuffers");
|
||||
}
|
||||
|
||||
void USART::receive(uint8_t *buffer, uint16_t offset, uint8_t len)
|
||||
{
|
||||
int bytes_avail, code;
|
||||
do
|
||||
{
|
||||
code = ioctl(file_desc, FIONREAD, &bytes_avail);
|
||||
if(code)
|
||||
throw USARTException(
|
||||
std::string(__FUNCTION__) + " failed: " + std::string(__FILE__) + "#" + std::to_string(__LINE__) +
|
||||
", " + strerror(code) + " (code " + std::to_string(code) + ")");
|
||||
} while(bytes_avail < len);
|
||||
|
||||
code = read(file_desc, buffer + offset, len);
|
||||
if (code != len)
|
||||
throw USARTException(
|
||||
std::string(__FUNCTION__) + " failed: " + std::string(__FILE__) + "#" + std::to_string(__LINE__) +
|
||||
", " + strerror(code) + " (code " + std::to_string(code) + " / " + std::to_string(len) + ")");
|
||||
}
|
||||
|
||||
void USART::transmit(uint8_t *buffer, uint16_t offset, uint8_t len)
|
||||
{
|
||||
int code = write(file_desc, buffer + offset, len);
|
||||
if (code != len)
|
||||
throw USARTException(
|
||||
std::string(__FUNCTION__) + " failed: " + std::string(__FILE__) + "#" + std::to_string(__LINE__) +
|
||||
", " + strerror(code) + " (code " + std::to_string(code) + " / " + std::to_string(len) + ")");
|
||||
}
|
||||
|
||||
uint32_t USART::getBaudrate()
|
||||
{
|
||||
return baudrate;
|
||||
}
|
||||
|
||||
uint8_t USART::getTimeout()
|
||||
{
|
||||
return timeout;
|
||||
}
|
||||
|
||||
void USART::setBaudrate(uint32_t baudrate)
|
||||
{
|
||||
this->baudrate = baudrate;
|
||||
}
|
||||
|
||||
void USART::setTimeout(uint8_t timeout)
|
||||
{
|
||||
this->timeout = timeout;
|
||||
}
|
||||
|
|
@ -2,13 +2,14 @@
|
|||
#define USART_H
|
||||
|
||||
#include <cstdint>
|
||||
#include <chrono>
|
||||
#include <fcntl.h>
|
||||
#include <unistd.h>
|
||||
#include <termios.h>
|
||||
#include <iostream>
|
||||
#include <sys/ioctl.h>
|
||||
#include <string.h>
|
||||
#include "usartexception.h"
|
||||
#include "timeoutexception.h"
|
||||
|
||||
/*! C++ Wrapper class for termios usart library. */
|
||||
|
||||
|
|
@ -125,7 +126,7 @@ private:
|
|||
|
||||
int file_desc = -1; //!< Linux Dateideskriptor
|
||||
uint32_t baudrate = 9600; //!< Standard-Baudrate, sollte mit setBaudrate() überschrieben werden!
|
||||
uint8_t timeout = 100; //!< in Dezisekunden
|
||||
uint8_t timeout = 10; //!< in Dezisekunden
|
||||
};
|
||||
|
||||
#endif // USART_H
|
||||
|
|
|
|||
Loading…
Reference in a new issue