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Replace sprintf with dtostrf to save about 1.5k of flash

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BlackMark 2020-04-13 01:13:44 +02:00
parent 64d6df256d
commit 7aa98a8ebd
2 changed files with 123 additions and 116 deletions
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231
fantemp/fantemp.cppproj
View File

@ -82,129 +82,136 @@
<ToolName>Custom Programming Tool</ToolName> <ToolName>Custom Programming Tool</ToolName>
</custom> </custom>
<AAFDebugger> <AAFDebugger>
<AAFDebugFiles xmlns=""> <AAFDebugFiles>
<DebugFile>
<path>\Debug\fantemp.lss</path>
<AAFSetting>
<Label>Lss Files</Label>
<Extention>.lss</Extention>
<Regex>^\s*(?&lt;address&gt;[a-f0-9]*):\s*.*$</Regex>
<DebugEnabled>true</DebugEnabled>
<RegexGroups>address</RegexGroups>
<DebuggerExpression>$pc</DebuggerExpression>
</AAFSetting>
</DebugFile>
</AAFDebugFiles> </AAFDebugFiles>
</AAFDebugger> </AAFDebugger>
</PropertyGroup> </PropertyGroup>
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<ListValues> <ListValues>
<Value>NDEBUG</Value> <Value>NDEBUG</Value>
</ListValues> </ListValues>
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<Value>%24(PackRepoDir)\Atmel\ATmega_DFP\1.4.346\include</Value> <Value>%24(PackRepoDir)\Atmel\ATmega_DFP\1.4.346\include</Value>
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<Value>%24(PackRepoDir)\Atmel\ATmega_DFP\1.4.346\include</Value> <Value>%24(PackRepoDir)\Atmel\ATmega_DFP\1.4.346\include</Value>
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<avrgcccpp.linker.general.UseVprintfLibrary>True</avrgcccpp.linker.general.UseVprintfLibrary> <avrgcccpp.linker.libraries.Libraries>
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<ListValues> <Value>libm</Value>
<Value>libm</Value> </ListValues>
<Value>libprintf_flt</Value> </avrgcccpp.linker.libraries.Libraries>
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</ToolchainSettings> </ToolchainSettings>
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<PropertyGroup Condition=" '$(Configuration)' == 'Debug' "> <PropertyGroup Condition=" '$(Configuration)' == 'Debug' ">
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<AvrGccCpp> <AvrGccCpp>
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<Value>DEBUG</Value> <Value>DEBUG</Value>
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<ListValues> <ListValues>
<Value>%24(PackRepoDir)\Atmel\ATmega_DFP\1.4.346\include</Value> <Value>%24(PackRepoDir)\Atmel\ATmega_DFP\1.4.346\include</Value>
</ListValues> </ListValues>
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<Value>DEBUG</Value> <Value>DEBUG</Value>
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<Value>%24(PackRepoDir)\Atmel\ATmega_DFP\1.4.346\include</Value> <Value>%24(PackRepoDir)\Atmel\ATmega_DFP\1.4.346\include</Value>
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<avrgcccpp.compiler.miscellaneous.OtherFlags>-fno-threadsafe-statics -Wextra -std=c++17</avrgcccpp.compiler.miscellaneous.OtherFlags> <avrgcccpp.compiler.miscellaneous.OtherFlags>-fno-threadsafe-statics -Wextra -std=c++17</avrgcccpp.compiler.miscellaneous.OtherFlags>
<avrgcccpp.linker.general.UseVprintfLibrary>True</avrgcccpp.linker.general.UseVprintfLibrary> <avrgcccpp.linker.libraries.Libraries>
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<ListValues> <Value>libm</Value>
<Value>libm</Value> </ListValues>
<Value>libprintf_flt</Value> </avrgcccpp.linker.libraries.Libraries>
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</ToolchainSettings> </ToolchainSettings>
</PropertyGroup> </PropertyGroup>
<ItemGroup> <ItemGroup>

8
fantemp/terminal.hpp
View File

@ -2,7 +2,7 @@
#include <ctype.h> #include <ctype.h>
#include <stdint.h> #include <stdint.h>
#include <stdio.h> #include <stdlib.h>
#include <avr/pgmspace.h> #include <avr/pgmspace.h>
@ -191,11 +191,11 @@ class Terminal {
if (Controller::m_dataAvailable) { if (Controller::m_dataAvailable) {
char floatBuffer[16]; char floatBuffer[16];
sprintf(floatBuffer, "%.2f", Controller::m_adcSample); dtostrf(Controller::m_adcSample, 0, 2, floatBuffer);
m_serial << F("ADC value ...: ") << floatBuffer << F(" / 1023") << detail::ENDL; m_serial << F("ADC value ...: ") << floatBuffer << F(" / 1023") << detail::ENDL;
sprintf(floatBuffer, "%.2f", Controller::m_resistance); dtostrf(Controller::m_resistance, 0, 2, floatBuffer);
m_serial << F("Resistance ..: ") << floatBuffer << F(" Ohm") << detail::ENDL; m_serial << F("Resistance ..: ") << floatBuffer << F(" Ohm") << detail::ENDL;
sprintf(floatBuffer, "%.2f", Controller::m_temperature); dtostrf(Controller::m_temperature, 0, 2, floatBuffer);
m_serial << F("Temperature .: ") << floatBuffer << F(" C") << detail::ENDL; m_serial << F("Temperature .: ") << floatBuffer << F(" C") << detail::ENDL;
m_serial << F("Fan speed ...: ") << Controller::m_fanSpeed << F("%") << detail::ENDL; m_serial << F("Fan speed ...: ") << Controller::m_fanSpeed << F("%") << detail::ENDL;
} else { } else {