navapol
/
OneWireArduinoSlave
forked from youen/OneWireArduinoSlave
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity
Browse Source

added code to write individual bits (instead of bytes), and to cancel the current write operation before it completes

timer1
Youen Toupin 9 years ago
parent
35b866d933
commit
c5a141b57e
3 changed files with 57 additions and 192 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Unified View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 193
      .gitignore
  2. 43
      OneWireSlave.cpp
  3. 13
      OneWireSlave.h

193
.gitignore vendored
Unescape View File

@ -1,189 +1,4 @@
## Ignore Visual Studio temporary files, build results, and /.vs
## files generated by popular Visual Studio add-ons. /Debug
/*.opensdf
# User-specific files /*.sdf
*.suo
*.user
*.sln.docstates
# Build results
[Dd]ebug/
[Dd]ebugPublic/
[Rr]elease/
x64/
build/
bld/
[Bb]in/
[Oo]bj/
# Roslyn cache directories
*.ide/
# MSTest test Results
[Tt]est[Rr]esult*/
[Bb]uild[Ll]og.*
#NUNIT
*.VisualState.xml
TestResult.xml
# Build Results of an ATL Project
[Dd]ebugPS/
[Rr]eleasePS/
dlldata.c
*_i.c
*_p.c
*_i.h
*.ilk
*.meta
*.obj
*.pch
*.pdb
*.pgc
*.pgd
*.rsp
*.sbr
*.tlb
*.tli
*.tlh
*.tmp
*.tmp_proj
*.log
*.vspscc
*.vssscc
.builds
*.pidb
*.svclog
*.scc
# Chutzpah Test files
_Chutzpah*
# Visual C++ cache files
ipch/
*.aps
*.ncb
*.opensdf
*.sdf
*.cachefile
# Visual Studio profiler
*.psess
*.vsp
*.vspx
# TFS 2012 Local Workspace
$tf/
# Guidance Automation Toolkit
*.gpState
# ReSharper is a .NET coding add-in
_ReSharper*/
*.[Rr]e[Ss]harper
*.DotSettings.user
# JustCode is a .NET coding addin-in
.JustCode
# TeamCity is a build add-in
_TeamCity*
# DotCover is a Code Coverage Tool
*.dotCover
# NCrunch
_NCrunch_*
.*crunch*.local.xml
# MightyMoose
*.mm.*
AutoTest.Net/
# Web workbench (sass)
.sass-cache/
# Installshield output folder
[Ee]xpress/
# DocProject is a documentation generator add-in
DocProject/buildhelp/
DocProject/Help/*.HxT
DocProject/Help/*.HxC
DocProject/Help/*.hhc
DocProject/Help/*.hhk
DocProject/Help/*.hhp
DocProject/Help/Html2
DocProject/Help/html
# Click-Once directory
publish/
# Publish Web Output
*.[Pp]ublish.xml
*.azurePubxml
## TODO: Comment the next line if you want to checkin your
## web deploy settings but do note that will include unencrypted
## passwords
#*.pubxml
# NuGet Packages Directory
packages/*
## TODO: If the tool you use requires repositories.config
## uncomment the next line
#!packages/repositories.config
# Enable "build/" folder in the NuGet Packages folder since
# NuGet packages use it for MSBuild targets.
# This line needs to be after the ignore of the build folder
# (and the packages folder if the line above has been uncommented)
!packages/build/
# Windows Azure Build Output
csx/
*.build.csdef
# Windows Store app package directory
AppPackages/
# Others
sql/
*.Cache
ClientBin/
[Ss]tyle[Cc]op.*
~$*
*~
*.dbmdl
*.dbproj.schemaview
*.pfx
*.publishsettings
node_modules/
# RIA/Silverlight projects
Generated_Code/
# Backup & report files from converting an old project file
# to a newer Visual Studio version. Backup files are not needed,
# because we have git ;-)
_UpgradeReport_Files/
Backup*/
UpgradeLog*.XML
UpgradeLog*.htm
# SQL Server files
*.mdf
*.ldf
# Business Intelligence projects
*.rdl.data
*.bim.layout
*.bim_*.settings
# Microsoft Fakes
FakesAssemblies/
# LightSwitch generated files
GeneratedArtifacts/
_Pvt_Extensions/
ModelManifest.xml

43
OneWireSlave.cpp
Unescape View File

@ -107,6 +107,38 @@ void OneWireSlave::write(const byte* bytes, short numBytes, void(*complete)(bool
sei(); sei();
} }
void OneWireSlave::writeBit(bool value, bool repeat, void(*bitSent)(bool))
{
cli();
singleBit_ = value;
singleBitRepeat_ = repeat;
singleBitSentCallback_ = bitSent;
beginSendBit_(value, &OneWireSlave::onSingleBitSent_);
sei();
}
void OneWireSlave::onSingleBitSent_(bool error)
{
if (!error && singleBitRepeat_)
{
beginSendBit_(singleBit_, &OneWireSlave::onSingleBitSent_);
}
else
{
beginResetDetection_();
}
if (singleBitSentCallback_ != 0)
{
singleBitSentCallback_(error);
}
}
void OneWireSlave::stopWrite()
{
write(0, 0, 0);
}
byte OneWireSlave::crc8(const byte* data, short numBytes) byte OneWireSlave::crc8(const byte* data, short numBytes)
{ {
byte crc = 0; byte crc = 0;
@ -476,8 +508,15 @@ void OneWireSlave::beginWriteBytes_(const byte* data, short numBytes, void(*comp
bufferBitPos_ = 0; bufferBitPos_ = 0;
sendBytesCallback_ = complete; sendBytesCallback_ = complete;
bool bit = bitRead(sendBuffer_[0], 0); if (sendBuffer_ != 0 && bufferLength_ > 0)
beginSendBit_(bit, &OneWireSlave::bitSent_); {
bool bit = bitRead(sendBuffer_[0], 0);
beginSendBit_(bit, &OneWireSlave::bitSent_);
}
else
{
beginResetDetection_();
}
} }
void OneWireSlave::bitSent_(bool error) void OneWireSlave::bitSent_(bool error)

13
OneWireSlave.h
Unescape View File

@ -23,9 +23,15 @@ public:
//! Sets (or replaces) a function to be called when something is received. The callback is executed from interrupts and should be as short as possible. Failure to return quickly can prevent the library from correctly reading the next byte. //! Sets (or replaces) a function to be called when something is received. The callback is executed from interrupts and should be as short as possible. Failure to return quickly can prevent the library from correctly reading the next byte.
void setReceiveCallback(void(*callback)(ReceiveEvent evt, byte data)) { clientReceiveCallback_ = callback; } void setReceiveCallback(void(*callback)(ReceiveEvent evt, byte data)) { clientReceiveCallback_ = callback; }
//! Enqueues the specified bytes in the send buffer. They will be sent in the background. The optional callback is used to notify when the bytes are sent, or if an error occured. Callbacks are executed from interrupts and should be as short as possible. //! Enqueues the specified bytes in the send buffer. They will be sent in the background. The optional callback is used to notify when the bytes are sent, or if an error occured. Callbacks are executed from interrupts and should be as short as possible. If bytes is null or numBytes is 0, nothing is sent, which is equivalent to calling stopWrite. In any case, calling the write function will cancel the previous write operation if it didn't complete yet.
void write(const byte* bytes, short numBytes, void(*complete)(bool error)); void write(const byte* bytes, short numBytes, void(*complete)(bool error));
//! Sets a bit that will be sent next time the master asks for one. Optionnaly, the repeat parameter can be set to true to continue sending the same bit each time. In both cases, the send operation can be canceled by calling stopWrite.
void writeBit(bool value, bool repeat = false, void(*bitSent)(bool error) = 0);
//! Cancels any pending write operation, started by writeBit or write. If this function is called before the master asked for a bit, then nothing is sent to the master.
void stopWrite();
static byte crc8(const byte* data, short numBytes); static byte crc8(const byte* data, short numBytes);
private: private:
@ -101,6 +107,11 @@ private:
static void(*receiveBytesCallback_)(bool error); static void(*receiveBytesCallback_)(bool error);
static void(*sendBytesCallback_)(bool error); static void(*sendBytesCallback_)(bool error);
static bool singleBit_;
static bool singleBitRepeat_;
static void (*singleBitSentCallback_)(bool error);
static void onSingleBitSent_(bool error);
static void(*clientReceiveCallback_)(ReceiveEvent evt, byte data); static void(*clientReceiveCallback_)(ReceiveEvent evt, byte data);
}; };

Write Preview
Loading…
Cancel
Save