avr/spi
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Compare commits

base: avr:example
Branches Tags
avr:master avr:example
..
compare: avr:4b644b22bf4ced4406eb6427a7e437604fc26357
Branches Tags
avr:master avr:example

10 Commits
example ... 4b644b22bf

Author SHA1 Message Date
BlackMark
4b644b22bf Completely separted driver from interface 2020-02-21 17:29:45 +01:00
BlackMark
c73d83dff4 Removed deinit 2020-02-21 17:26:30 +01:00
BlackMark
3fae89285f Moved init to hardware driver class 2020-02-21 17:26:14 +01:00
BlackMark
e0fd37dbb0 Added config and hardware templates 2020-02-21 17:10:49 +01:00
BlackMark
8e6c3738f8 Moved function implementation inside class 2020-02-21 17:01:56 +01:00
BlackMark
d28cfc2929 Replaced legacy io library with new templated io library 2020-02-21 16:56:30 +01:00
BlackMark
aa78ced242 Added namespace and renamed class 2020-02-21 16:49:22 +01:00
BlackMark
9735d4e86a Changed include guard to pragma once 2020-02-21 16:48:31 +01:00
BlackMark
df6470c846 Moved all code to header 2020-02-21 16:47:47 +01:00
BlackMark
390c105da8 Added license file and updated clangformat and gitattributes 2020-02-21 16:46:06 +01:00
10 changed files with 204 additions and 260 deletions
Expand all files Collapse all files

6
.gitmodules vendored
View File

@@ -1,6 +0,0 @@
[submodule "spi/spi"]
path = spi/spi
url = git@git.blackmark.me:avr/spi.git
[submodule "spi/io"]
path = spi/io
url = git@git.blackmark.me:avr/io.git

44
config.hpp Normal file
View File

@@ -0,0 +1,44 @@
#pragma once
namespace spi {
enum class ClockDiv {
DIV_4 = 0,
DIV_16 = 1,
DIV_64 = 2,
DIV_128 = 3,
DIV_2X_2 = 4,
DIV_2X_8 = 5,
DIV_2X_32 = 6,
DIV_2X_64 = 7,
};
enum class Mode {
MODE_0 = 0,
MODE_1 = 1,
MODE_2 = 2,
MODE_3 = 3,
};
enum class Side {
MASTER,
SLAVE,
};
enum class BitOrder {
LSB_FIRST,
MSB_FIRST,
};
template <ClockDiv freq = ClockDiv::DIV_128, Mode mode = Mode::MODE_0, Side side = Side::MASTER,
BitOrder bitOrder = BitOrder::MSB_FIRST, bool pullup = false>
struct Config {
static constexpr auto FREQ = freq;
static constexpr auto MODE = mode;
static constexpr auto SIDE = side;
static constexpr auto BIT_ORDER = bitOrder;
static constexpr auto PULLUP = pullup;
};
} // namespace spi

129
hardware.hpp Normal file
View File

@@ -0,0 +1,129 @@
#pragma once
#include "../io/io.hpp"
namespace spi {
template <class Cfg>
class Hardware {
public:
static void init()
{
if constexpr (Cfg::SIDE == Side::MASTER) {
sm_ss = true;
sm_sck.dir(io::Dir::OUT);
sm_miso.dir(io::Dir::IN);
sm_miso.pullup(Cfg::PULLUP);
sm_mosi.dir(io::Dir::OUT);
sm_ss.dir(io::Dir::OUT);
} else {
sm_sck.dir(io::Dir::IN);
sm_miso.dir(io::Dir::OUT);
sm_mosi.dir(io::Dir::IN);
sm_ss.dir(io::Dir::IN);
sm_ss.pullup(true);
}
setClockDiv();
setMode();
setMaster();
setBitOrder();
SPCR |= (1 << SPE);
}
static uint8_t transfer(uint8_t data)
{
SPDR = data;
while (!(SPSR & (1 << SPIF)))
;
return SPDR;
}
static void select(bool selectState)
{
sm_ss = !selectState;
}
private:
static io::Pin<io::P::B5> sm_sck;
static io::Pin<io::P::B4> sm_miso;
static io::Pin<io::P::B3> sm_mosi;
static io::Pin<io::P::B2> sm_ss;
static void setClockDiv()
{
uint8_t ui8ClockDiv = static_cast<uint8_t>(Cfg::FREQ);
if (ui8ClockDiv & 1) {
SPCR |= (1 << SPR0);
} else {
SPCR &= ~(1 << SPR0);
}
if (ui8ClockDiv & (1 << 1)) {
SPCR |= (1 << SPR1);
} else {
SPCR &= ~(1 << SPR1);
}
if (ui8ClockDiv & (1 << 2)) {
SPSR |= (1 << SPI2X);
} else {
SPSR &= ~(1 << SPI2X);
}
}
static void setMode()
{
if (Cfg::MODE == Mode::MODE_0 || Cfg::MODE == Mode::MODE_1) {
setCPOL(false);
} else {
setCPOL(true);
}
if (Cfg::MODE == Mode::MODE_0 || Cfg::MODE == Mode::MODE_2) {
setCPHA(false);
} else {
setCPHA(true);
}
}
static void setMaster()
{
if constexpr (Cfg::SIDE == Side::MASTER) {
SPCR |= (1 << MSTR);
} else {
SPCR &= ~(1 << MSTR);
}
}
static void setBitOrder()
{
if (Cfg::BIT_ORDER == BitOrder::LSB_FIRST) {
SPCR |= (1 << DORD);
} else {
SPCR &= ~(1 << DORD);
}
}
static void setCPOL(bool bCPOL)
{
if (bCPOL) {
SPCR |= (1 << CPOL);
} else {
SPCR &= ~(1 << CPOL);
}
}
static void setCPHA(bool bCPHA)
{
if (bCPHA) {
SPCR |= (1 << CPHA);
} else {
SPCR &= ~(1 << CPHA);
}
}
};
} // namespace spi

22
spi.atsln
View File

@@ -1,22 +0,0 @@
Microsoft Visual Studio Solution File, Format Version 12.00
# Atmel Studio Solution File, Format Version 11.00
VisualStudioVersion = 14.0.23107.0
MinimumVisualStudioVersion = 10.0.40219.1
Project("{E66E83B9-2572-4076-B26E-6BE79FF3018A}") = "spi", "spi\spi.cppproj", "{DCE6C7E3-EE26-4D79-826B-08594B9AD897}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|AVR = Debug|AVR
Release|AVR = Release|AVR
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{DCE6C7E3-EE26-4D79-826B-08594B9AD897}.Debug|AVR.ActiveCfg = Debug|AVR
{DCE6C7E3-EE26-4D79-826B-08594B9AD897}.Debug|AVR.Build.0 = Debug|AVR
{DCE6C7E3-EE26-4D79-826B-08594B9AD897}.Release|AVR.ActiveCfg = Release|AVR
{DCE6C7E3-EE26-4D79-826B-08594B9AD897}.Release|AVR.Build.0 = Release|AVR
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
EndGlobalSection
EndGlobal

31
spi.hpp Normal file
View File

@@ -0,0 +1,31 @@
#pragma once
#include "config.hpp"
#include "hardware.hpp"
#include "../io/io.hpp"
namespace spi {
template <class Driver>
class Spi {
public:
static void init()
{
Driver::init();
}
static uint8_t transfer(uint8_t ui8Data)
{
return Driver::transfer(ui8Data);
}
static void select(bool bSelect)
{
Driver::select(bSelect);
}
private:
};
} // namespace spi

4
spi/clock.hpp
View File

@@ -1,4 +0,0 @@
#pragma once
#define F_CPU 16000000
#include <util/delay.h>

1
spi/io

Submodule spi/io deleted from 80de36ee7e

23
spi/main.cpp
View File

@@ -1,23 +0,0 @@
#include "clock.hpp"
#include "spi/spi.hpp"
void spiTest()
{
using namespace spi;
using cfg = Config<ClockDiv::DIV_128, Mode::MODE_0, Side::MASTER, BitOrder::MSB_FIRST, false>;
using driver = Hardware<cfg>;
Spi<driver> spiDriver;
spiDriver.init();
spiDriver.select(true);
spiDriver.transfer(0xff);
}
int main()
{
spiTest();
return 0;
}

1
spi/spi

Submodule spi/spi deleted from 70aabc07f6

203
spi/spi.cppproj
View File

@@ -1,203 +0,0 @@
<?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003" ToolsVersion="14.0">
<PropertyGroup>
<SchemaVersion>2.0</SchemaVersion>
<ProjectVersion>7.0</ProjectVersion>
<ToolchainName>com.Atmel.AVRGCC8.CPP</ToolchainName>
<ProjectGuid>dce6c7e3-ee26-4d79-826b-08594b9ad897</ProjectGuid>
<avrdevice>ATmega328P</avrdevice>
<avrdeviceseries>none</avrdeviceseries>
<OutputType>Executable</OutputType>
<Language>CPP</Language>
<OutputFileName>$(MSBuildProjectName)</OutputFileName>
<OutputFileExtension>.elf</OutputFileExtension>
<OutputDirectory>$(MSBuildProjectDirectory)\$(Configuration)</OutputDirectory>
<AssemblyName>spi</AssemblyName>
<Name>spi</Name>
<RootNamespace>spi</RootNamespace>
<ToolchainFlavour>avr-g++-9.1.0</ToolchainFlavour>
<KeepTimersRunning>true</KeepTimersRunning>
<OverrideVtor>false</OverrideVtor>
<CacheFlash>true</CacheFlash>
<ProgFlashFromRam>true</ProgFlashFromRam>
<RamSnippetAddress>0x20000000</RamSnippetAddress>
<UncachedRange />
<preserveEEPROM>true</preserveEEPROM>
<OverrideVtorValue>exception_table</OverrideVtorValue>
<BootSegment>2</BootSegment>
<ResetRule>0</ResetRule>
<eraseonlaunchrule>0</eraseonlaunchrule>
<EraseKey />
<avrtool>com.atmel.avrdbg.tool.stk500</avrtool>
<avrtoolserialnumber />
<avrdeviceexpectedsignature>0x1E950F</avrdeviceexpectedsignature>
<com_atmel_avrdbg_tool_stk500>
<ToolOptions>
<InterfaceProperties>
<IspClock>125000</IspClock>
</InterfaceProperties>
<InterfaceName>ISP</InterfaceName>
</ToolOptions>
<ToolType>com.atmel.avrdbg.tool.stk500</ToolType>
<ToolNumber>
</ToolNumber>
<ToolName>STK500</ToolName>
</com_atmel_avrdbg_tool_stk500>
<avrtoolinterface>ISP</avrtoolinterface>
<avrtoolinterfaceclock>125000</avrtoolinterfaceclock>
<AsfFrameworkConfig>
<framework-data xmlns="">
<options />
<configurations />
<files />
<documentation help="" />
<offline-documentation help="" />
<dependencies>
<content-extension eid="atmel.asf" uuidref="Atmel.ASF" version="3.47.0" />
</dependencies>
</framework-data>
</AsfFrameworkConfig>
</PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)' == 'Release' ">
<ToolchainSettings>
<AvrGccCpp>
<avrgcc.common.Device>-mmcu=atmega328p</avrgcc.common.Device>
<avrgcc.common.outputfiles.hex>True</avrgcc.common.outputfiles.hex>
<avrgcc.common.outputfiles.lss>True</avrgcc.common.outputfiles.lss>
<avrgcc.common.outputfiles.eep>True</avrgcc.common.outputfiles.eep>
<avrgcc.common.outputfiles.srec>True</avrgcc.common.outputfiles.srec>
<avrgcc.common.outputfiles.usersignatures>False</avrgcc.common.outputfiles.usersignatures>
<avrgcc.compiler.general.ChangeDefaultCharTypeUnsigned>True</avrgcc.compiler.general.ChangeDefaultCharTypeUnsigned>
<avrgcc.compiler.general.ChangeDefaultBitFieldUnsigned>True</avrgcc.compiler.general.ChangeDefaultBitFieldUnsigned>
<avrgcc.compiler.directories.IncludePaths>
<ListValues>
<Value>%24(PackRepoDir)\Atmel\ATmega_DFP\1.4.346\include</Value>
</ListValues>
</avrgcc.compiler.directories.IncludePaths>
<avrgcc.compiler.optimization.AllocateBytesNeededForEnum>True</avrgcc.compiler.optimization.AllocateBytesNeededForEnum>
<avrgcc.compiler.warnings.AllWarnings>True</avrgcc.compiler.warnings.AllWarnings>
<avrgcc.compiler.warnings.ExtraWarnings>True</avrgcc.compiler.warnings.ExtraWarnings>
<avrgcc.compiler.warnings.Pedantic>True</avrgcc.compiler.warnings.Pedantic>
<avrgcc.compiler.miscellaneous.OtherFlags>-fno-threadsafe-statics -std=c11</avrgcc.compiler.miscellaneous.OtherFlags>
<avrgcccpp.compiler.general.ChangeDefaultCharTypeUnsigned>True</avrgcccpp.compiler.general.ChangeDefaultCharTypeUnsigned>
<avrgcccpp.compiler.general.ChangeDefaultBitFieldUnsigned>True</avrgcccpp.compiler.general.ChangeDefaultBitFieldUnsigned>
<avrgcccpp.compiler.directories.IncludePaths>
<ListValues>
<Value>%24(PackRepoDir)\Atmel\ATmega_DFP\1.4.346\include</Value>
</ListValues>
</avrgcccpp.compiler.directories.IncludePaths>
<avrgcccpp.compiler.optimization.AllocateBytesNeededForEnum>True</avrgcccpp.compiler.optimization.AllocateBytesNeededForEnum>
<avrgcccpp.compiler.warnings.AllWarnings>True</avrgcccpp.compiler.warnings.AllWarnings>
<avrgcccpp.compiler.warnings.Pedantic>True</avrgcccpp.compiler.warnings.Pedantic>
<avrgcccpp.compiler.miscellaneous.OtherFlags>-fno-threadsafe-statics -Wextra -std=c++17</avrgcccpp.compiler.miscellaneous.OtherFlags>
<avrgcccpp.linker.libraries.Libraries>
<ListValues>
<Value>libm</Value>
</ListValues>
</avrgcccpp.linker.libraries.Libraries>
<avrgcccpp.assembler.general.IncludePaths>
<ListValues>
<Value>%24(PackRepoDir)\Atmel\ATmega_DFP\1.4.346\include</Value>
</ListValues>
</avrgcccpp.assembler.general.IncludePaths>
<avrgcc.compiler.symbols.DefSymbols>
<ListValues>
<Value>NDEBUG</Value>
</ListValues>
</avrgcc.compiler.symbols.DefSymbols>
<avrgcc.compiler.optimization.level>Optimize for size (-Os)</avrgcc.compiler.optimization.level>
<avrgcccpp.compiler.symbols.DefSymbols>
<ListValues>
<Value>NDEBUG</Value>
</ListValues>
</avrgcccpp.compiler.symbols.DefSymbols>
<avrgcccpp.compiler.optimization.level>Optimize for size (-Os)</avrgcccpp.compiler.optimization.level>
</AvrGccCpp>
</ToolchainSettings>
</PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)' == 'Debug' ">
<ToolchainSettings>
<AvrGccCpp>
<avrgcc.common.Device>-mmcu=atmega328p</avrgcc.common.Device>
<avrgcc.common.outputfiles.hex>True</avrgcc.common.outputfiles.hex>
<avrgcc.common.outputfiles.lss>True</avrgcc.common.outputfiles.lss>
<avrgcc.common.outputfiles.eep>True</avrgcc.common.outputfiles.eep>
<avrgcc.common.outputfiles.srec>True</avrgcc.common.outputfiles.srec>
<avrgcc.common.outputfiles.usersignatures>False</avrgcc.common.outputfiles.usersignatures>
<avrgcc.compiler.general.ChangeDefaultCharTypeUnsigned>True</avrgcc.compiler.general.ChangeDefaultCharTypeUnsigned>
<avrgcc.compiler.general.ChangeDefaultBitFieldUnsigned>True</avrgcc.compiler.general.ChangeDefaultBitFieldUnsigned>
<avrgcc.compiler.directories.IncludePaths>
<ListValues>
<Value>%24(PackRepoDir)\Atmel\ATmega_DFP\1.4.346\include</Value>
</ListValues>
</avrgcc.compiler.directories.IncludePaths>
<avrgcc.compiler.optimization.AllocateBytesNeededForEnum>True</avrgcc.compiler.optimization.AllocateBytesNeededForEnum>
<avrgcc.compiler.warnings.AllWarnings>True</avrgcc.compiler.warnings.AllWarnings>
<avrgcc.compiler.warnings.ExtraWarnings>True</avrgcc.compiler.warnings.ExtraWarnings>
<avrgcc.compiler.warnings.Pedantic>True</avrgcc.compiler.warnings.Pedantic>
<avrgcc.compiler.miscellaneous.OtherFlags>-fno-threadsafe-statics -std=c11</avrgcc.compiler.miscellaneous.OtherFlags>
<avrgcccpp.compiler.general.ChangeDefaultCharTypeUnsigned>True</avrgcccpp.compiler.general.ChangeDefaultCharTypeUnsigned>
<avrgcccpp.compiler.general.ChangeDefaultBitFieldUnsigned>True</avrgcccpp.compiler.general.ChangeDefaultBitFieldUnsigned>
<avrgcccpp.compiler.directories.IncludePaths>
<ListValues>
<Value>%24(PackRepoDir)\Atmel\ATmega_DFP\1.4.346\include</Value>
</ListValues>
</avrgcccpp.compiler.directories.IncludePaths>
<avrgcccpp.compiler.optimization.AllocateBytesNeededForEnum>True</avrgcccpp.compiler.optimization.AllocateBytesNeededForEnum>
<avrgcccpp.compiler.warnings.AllWarnings>True</avrgcccpp.compiler.warnings.AllWarnings>
<avrgcccpp.compiler.warnings.Pedantic>True</avrgcccpp.compiler.warnings.Pedantic>
<avrgcccpp.compiler.miscellaneous.OtherFlags>-fno-threadsafe-statics -Wextra -std=c++17</avrgcccpp.compiler.miscellaneous.OtherFlags>
<avrgcccpp.linker.libraries.Libraries>
<ListValues>
<Value>libm</Value>
</ListValues>
</avrgcccpp.linker.libraries.Libraries>
<avrgcccpp.assembler.general.IncludePaths>
<ListValues>
<Value>%24(PackRepoDir)\Atmel\ATmega_DFP\1.4.346\include</Value>
</ListValues>
</avrgcccpp.assembler.general.IncludePaths>
<avrgcc.compiler.symbols.DefSymbols>
<ListValues>
<Value>DEBUG</Value>
</ListValues>
</avrgcc.compiler.symbols.DefSymbols>
<avrgcc.compiler.optimization.level>Optimize (-O1)</avrgcc.compiler.optimization.level>
<avrgcc.compiler.optimization.DebugLevel>Maximum (-g3)</avrgcc.compiler.optimization.DebugLevel>
<avrgcccpp.compiler.symbols.DefSymbols>
<ListValues>
<Value>DEBUG</Value>
</ListValues>
</avrgcccpp.compiler.symbols.DefSymbols>
<avrgcccpp.compiler.optimization.level>Optimize (-O1)</avrgcccpp.compiler.optimization.level>
<avrgcccpp.compiler.optimization.DebugLevel>Maximum (-g3)</avrgcccpp.compiler.optimization.DebugLevel>
<avrgcccpp.assembler.debugging.DebugLevel>Default (-Wa,-g)</avrgcccpp.assembler.debugging.DebugLevel>
</AvrGccCpp>
</ToolchainSettings>
</PropertyGroup>
<ItemGroup>
<Compile Include="clock.hpp">
<SubType>compile</SubType>
</Compile>
<Compile Include="io\io.hpp">
<SubType>compile</SubType>
</Compile>
<Compile Include="main.cpp">
<SubType>compile</SubType>
</Compile>
<Compile Include="spi\config.hpp">
<SubType>compile</SubType>
</Compile>
<Compile Include="spi\hardware.hpp">
<SubType>compile</SubType>
</Compile>
<Compile Include="spi\spi.hpp">
<SubType>compile</SubType>
</Compile>
</ItemGroup>
<ItemGroup>
<Folder Include="io" />
<Folder Include="spi" />
</ItemGroup>
<Import Project="$(AVRSTUDIO_EXE_PATH)\\Vs\\Compiler.targets" />
</Project>