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compare: avr:d28cfc29299923562eb93a63ccc8261df54b2749
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avr:master avr:example

5 Commits
example ... d28cfc2929

Author SHA1 Message Date
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
8 changed files with 182 additions and 260 deletions
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6
.gitmodules vendored
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@@ -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

22
spi.atsln
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@@ -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

182
spi.hpp Normal file
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@@ -0,0 +1,182 @@
#pragma once
#include "../io/io.hpp"
#include <avr/io.h>
namespace spi {
class Spi {
public:
enum class ClockDiv {
CLKDIV_4 = 0,
CLKDIV_16 = 1,
CLKDIV_64 = 2,
CLKDIV_128 = 3,
CLKDIV_2X_2 = 4,
CLKDIV_2X_8 = 5,
CLKDIV_2X_32 = 6,
CLKDIV_2X_64 = 7
};
enum class Mode { MODE_0 = 0, MODE_1 = 1, MODE_2 = 2, MODE_3 = 3 };
private:
static void setCPOL(bool bCPOL);
static void setCPHA(bool bCPHA);
static io::Pin<io::P::B5> sm_cSCK;
static io::Pin<io::P::B4> sm_cMISO;
static io::Pin<io::P::B3> sm_cMOSI;
static io::Pin<io::P::B2> sm_cSS;
public:
static void init(ClockDiv enmClockDiv = ClockDiv::CLKDIV_128, Mode enmMode = Mode::MODE_0, bool bMaster = true,
bool bLSBFirst = false, bool bMISOPullup = false);
static void deinit();
static void setClockDiv(ClockDiv enmClockDiv);
static void setMode(Mode enmMode);
static void setMaster(bool bMaster);
static void setBitOrder(bool bLSBFirst);
static uint8_t transfer(uint8_t ui8Data);
static void select(bool bSelect);
};
//////////////////////////////////////////////////////////////////////////
void Spi::setCPOL(bool bCPOL)
{
if (bCPOL) {
SPCR |= (1 << CPOL);
} else {
SPCR &= ~(1 << CPOL);
}
}
//////////////////////////////////////////////////////////////////////////
void Spi::setCPHA(bool bCPHA)
{
if (bCPHA) {
SPCR |= (1 << CPHA);
} else {
SPCR &= ~(1 << CPHA);
}
}
//////////////////////////////////////////////////////////////////////////
void Spi::init(ClockDiv enmClockDiv /* = ClockDiv::CLKDIV_128 */, Mode enmMode /* = Mode::MODE_0 */,
bool bMaster /* = true */, bool bLSBFirst /* = false */, bool bMISOPullup /* = false */)
{
if (bMaster) {
sm_cSS.write(true);
sm_cSCK.dir(io::Dir::OUT);
sm_cMISO.dir(io::Dir::IN);
sm_cMISO.pullup(bMISOPullup);
sm_cMOSI.dir(io::Dir::OUT);
sm_cSS.dir(io::Dir::OUT);
} else {
sm_cSCK.dir(io::Dir::IN);
sm_cMISO.dir(io::Dir::OUT);
sm_cMOSI.dir(io::Dir::IN);
sm_cSS.dir(io::Dir::IN);
sm_cSS.pullup(true);
}
setClockDiv(enmClockDiv);
setMode(enmMode);
setMaster(bMaster);
setBitOrder(bLSBFirst);
SPCR |= (1 << SPE);
}
//////////////////////////////////////////////////////////////////////////
void Spi::deinit()
{
SPCR = 0;
sm_cSCK.dir(io::Dir::IN);
sm_cMISO.dir(io::Dir::IN);
sm_cMOSI.dir(io::Dir::IN);
sm_cSS.dir(io::Dir::IN);
}
//////////////////////////////////////////////////////////////////////////
void Spi::setClockDiv(ClockDiv enmClockDiv)
{
uint8_t ui8ClockDiv = static_cast<uint8_t>(enmClockDiv);
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);
}
}
//////////////////////////////////////////////////////////////////////////
void Spi::setMode(Mode enmMode)
{
if (enmMode == Mode::MODE_0 || enmMode == Mode::MODE_1) {
setCPOL(false);
} else {
setCPOL(true);
}
if (enmMode == Mode::MODE_0 || enmMode == Mode::MODE_2) {
setCPHA(false);
} else {
setCPHA(true);
}
}
//////////////////////////////////////////////////////////////////////////
void Spi::setMaster(bool bMaster)
{
if (bMaster) {
SPCR |= (1 << MSTR);
} else {
SPCR &= ~(1 << MSTR);
}
}
//////////////////////////////////////////////////////////////////////////
void Spi::setBitOrder(bool bLSBFirst)
{
if (bLSBFirst) {
SPCR |= (1 << DORD);
} else {
SPCR &= ~(1 << DORD);
}
}
//////////////////////////////////////////////////////////////////////////
uint8_t Spi::transfer(uint8_t ui8Data)
{
SPDR = ui8Data;
while (!(SPSR & (1 << SPIF)))
;
return SPDR;
}
//////////////////////////////////////////////////////////////////////////
void Spi::select(bool bSelect)
{
sm_cSS.write(!bSelect);
}
} // namespace spi

4
spi/clock.hpp
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@@ -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
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@@ -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
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@@ -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>
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<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>
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<avrgcc.compiler.directories.IncludePaths>
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</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>
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<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>
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<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>
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<ListValues>
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</ListValues>
</avrgcc.compiler.directories.IncludePaths>
<avrgcc.compiler.optimization.AllocateBytesNeededForEnum>True</avrgcc.compiler.optimization.AllocateBytesNeededForEnum>
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<avrgcc.compiler.miscellaneous.OtherFlags>-fno-threadsafe-statics -std=c11</avrgcc.compiler.miscellaneous.OtherFlags>
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</avrgcccpp.compiler.directories.IncludePaths>
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<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>
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</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>
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<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>