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Update the SAM4L low power demo to use the ASF enable/disable interrupts functions rather than manipulating the PIRMASK directly - and in so doing allow other ASF functions to be called with the interrupt enable bit nesting.

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This commit is contained in:
Richard Barry 2013-11-11 14:49:36 +00:00
parent 0cd79ad81d
commit 8320dfb885
2 changed files with 15 additions and 20 deletions
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26
FreeRTOS/Demo/CORTEX_M4_ATSAM4L_Atmel_Studio/FreeRTOS_Demo.cproj
View file

@ -18,7 +18,7 @@
<ToolchainFlavour>Native</ToolchainFlavour>
<KeepTimersRunning>true</KeepTimersRunning>
<OverrideVtor>false</OverrideVtor>
<OverrideVtorValue />
<OverrideVtorValue>exception_table</OverrideVtorValue>
<eraseonlaunchrule>1</eraseonlaunchrule>
<AsfVersion>3.5.1</AsfVersion>
<AsfFrameworkConfig>
@ -135,12 +135,8 @@
<avrtool>com.atmel.avrdbg.tool.samice</avrtool>
<com_atmel_avrdbg_tool_samice>
<ToolType>com.atmel.avrdbg.tool.samice</ToolType>
<ToolName>J-Link-OB-SAM3U128</ToolName>
<ToolNumber>000480008435</ToolNumber>
<KeepTimersRunning>true</KeepTimersRunning>
<OverrideVtor>false</OverrideVtor>
<OverrideVtorValue>
</OverrideVtorValue>
<ToolName>J-Link</ToolName>
<ToolNumber>000480008423</ToolNumber>
<Channel>
<host>127.0.0.1</host>
<port>1882</port>
@ -158,13 +154,13 @@
<JtagDevicesAfter>0</JtagDevicesAfter>
<JtagInstrBitsBefore>0</JtagInstrBitsBefore>
<JtagInstrBitsAfter>0</JtagInstrBitsAfter>
<SwdClock>4000000</SwdClock>
<SwdClock>32000</SwdClock>
</InterfaceProperties>
</ToolOptions>
</com_atmel_avrdbg_tool_samice>
<CacheFlash>true</CacheFlash>
<ProgFlashFromRam>true</ProgFlashFromRam>
<RamSnippetAddress />
<RamSnippetAddress>0x20000000</RamSnippetAddress>
<UncachedRange />
<BootSegment>2</BootSegment>
</PropertyGroup>
@ -212,7 +208,7 @@
<armgcc.compiler.optimization.OtherFlags>-fdata-sections</armgcc.compiler.optimization.OtherFlags>
<armgcc.compiler.optimization.PrepareFunctionsForGarbageCollection>True</armgcc.compiler.optimization.PrepareFunctionsForGarbageCollection>
<armgcc.compiler.warnings.AllWarnings>True</armgcc.compiler.warnings.AllWarnings>
<armgcc.compiler.miscellaneous.OtherFlags>-std=gnu99 -D__ATSAM4LC4C__ -D__ATSAM4LC4C__ -D__ATSAM4LC4C__ -D__ATSAM4LC4C__</armgcc.compiler.miscellaneous.OtherFlags>
<armgcc.compiler.miscellaneous.OtherFlags>-std=gnu99 -D__ATSAM4LC4C__ -D__ATSAM4LC4C__ -D__ATSAM4LC4C__ -D__ATSAM4LC4C__ -D__ATSAM4LC4C__</armgcc.compiler.miscellaneous.OtherFlags>
<armgcc.linker.libraries.Libraries>
<ListValues>
<Value>arm_cortexM4l_math</Value>
@ -227,7 +223,7 @@
</armgcc.linker.libraries.LibrarySearchPaths>
<armgcc.linker.optimization.GarbageCollectUnusedSections>True</armgcc.linker.optimization.GarbageCollectUnusedSections>
<armgcc.linker.miscellaneous.LinkerFlags>-T../src/asf/sam/utils/linker_scripts/sam4l/sam4l4/gcc/flash.ld -Wl,--cref -Wl,--entry=Reset_Handler -mthumb</armgcc.linker.miscellaneous.LinkerFlags>
<armgcc.assembler.general.AssemblerFlags>-D__ATSAM4LC4C__ -D__ATSAM4LC4C__ -D__ATSAM4LC4C__ -D__ATSAM4LC4C__</armgcc.assembler.general.AssemblerFlags>
<armgcc.assembler.general.AssemblerFlags>-D__ATSAM4LC4C__ -D__ATSAM4LC4C__ -D__ATSAM4LC4C__ -D__ATSAM4LC4C__ -D__ATSAM4LC4C__</armgcc.assembler.general.AssemblerFlags>
<armgcc.assembler.general.IncludePaths>
<ListValues>
<Value>../src/asf/sam/utils/preprocessor</Value>
@ -256,7 +252,7 @@
<Value>%24(ToolchainDir)\..\..\CMSIS_Atmel\Device\ATMEL\sam4l\include</Value>
</ListValues>
</armgcc.assembler.general.IncludePaths>
<armgcc.preprocessingassembler.general.AssemblerFlags>-DARM_MATH_CM4=true -DBOARD=SAM4L_EK -D__ATSAM4LC4C__ -D__ATSAM4LC4C__ -D__ATSAM4LC4C__ -D__ATSAM4LC4C__ -D__ATSAM4LC4C__</armgcc.preprocessingassembler.general.AssemblerFlags>
<armgcc.preprocessingassembler.general.AssemblerFlags>-DARM_MATH_CM4=true -DBOARD=SAM4L_EK -D__ATSAM4LC4C__ -D__ATSAM4LC4C__ -D__ATSAM4LC4C__ -D__ATSAM4LC4C__ -D__ATSAM4LC4C__ -D__ATSAM4LC4C__</armgcc.preprocessingassembler.general.AssemblerFlags>
<armgcc.preprocessingassembler.general.IncludePaths>
<ListValues>
<Value>../src/asf/sam/utils/preprocessor</Value>
@ -336,7 +332,7 @@
<armgcc.compiler.optimization.PrepareFunctionsForGarbageCollection>True</armgcc.compiler.optimization.PrepareFunctionsForGarbageCollection>
<armgcc.compiler.optimization.DebugLevel>Maximum (-g3)</armgcc.compiler.optimization.DebugLevel>
<armgcc.compiler.warnings.AllWarnings>True</armgcc.compiler.warnings.AllWarnings>
<armgcc.compiler.miscellaneous.OtherFlags>-std=gnu99 -Wmissing-field-initializers -D__ATSAM4LC4C__ -D__ATSAM4LC4C__ -D__ATSAM4LC4C__ -D__ATSAM4LC4C__</armgcc.compiler.miscellaneous.OtherFlags>
<armgcc.compiler.miscellaneous.OtherFlags>-std=gnu99 -Wmissing-field-initializers -D__ATSAM4LC4C__ -D__ATSAM4LC4C__ -D__ATSAM4LC4C__ -D__ATSAM4LC4C__ -D__ATSAM4LC4C__</armgcc.compiler.miscellaneous.OtherFlags>
<armgcc.linker.libraries.Libraries>
<ListValues>
<Value>libm</Value>
@ -350,7 +346,7 @@
</armgcc.linker.libraries.LibrarySearchPaths>
<armgcc.linker.optimization.GarbageCollectUnusedSections>True</armgcc.linker.optimization.GarbageCollectUnusedSections>
<armgcc.linker.miscellaneous.LinkerFlags>-T../src/asf/sam/utils/linker_scripts/sam4l/sam4l4/gcc/flash.ld -Wl,--cref -Wl,--entry=Reset_Handler -mthumb</armgcc.linker.miscellaneous.LinkerFlags>
<armgcc.assembler.general.AssemblerFlags>-D__ATSAM4LC4C__ -D__ATSAM4LC4C__ -D__ATSAM4LC4C__ -D__ATSAM4LC4C__</armgcc.assembler.general.AssemblerFlags>
<armgcc.assembler.general.AssemblerFlags>-D__ATSAM4LC4C__ -D__ATSAM4LC4C__ -D__ATSAM4LC4C__ -D__ATSAM4LC4C__ -D__ATSAM4LC4C__</armgcc.assembler.general.AssemblerFlags>
<armgcc.assembler.general.IncludePaths>
<ListValues>
<Value>../src/asf/sam/utils/preprocessor</Value>
@ -380,7 +376,7 @@
</ListValues>
</armgcc.assembler.general.IncludePaths>
<armgcc.assembler.debugging.DebugLevel>Default (-g)</armgcc.assembler.debugging.DebugLevel>
<armgcc.preprocessingassembler.general.AssemblerFlags>-DARM_MATH_CM4=true -DBOARD=SAM4L_EK -D__ATSAM4LC4C__ -D__ATSAM4LC4C__ -D__ATSAM4LC4C__ -D__ATSAM4LC4C__ -D__ATSAM4LC4C__</armgcc.preprocessingassembler.general.AssemblerFlags>
<armgcc.preprocessingassembler.general.AssemblerFlags>-DARM_MATH_CM4=true -DBOARD=SAM4L_EK -D__ATSAM4LC4C__ -D__ATSAM4LC4C__ -D__ATSAM4LC4C__ -D__ATSAM4LC4C__ -D__ATSAM4LC4C__ -D__ATSAM4LC4C__</armgcc.preprocessingassembler.general.AssemblerFlags>
<armgcc.preprocessingassembler.general.IncludePaths>
<ListValues>
<Value>../src/asf/sam/utils/preprocessor</Value>

9
FreeRTOS/Demo/CORTEX_M4_ATSAM4L_Atmel_Studio/src/SAM4L_low_power_tick_management.c
View file

@ -253,7 +253,7 @@ asynchronous timer (AST), as the tick is generated from the low power AST and
not the SysTick as would normally be the case on a Cortex-M. */
void vPortSuppressTicksAndSleep( portTickType xExpectedIdleTime )
{
uint32_t ulAlarmValue, ulCompleteTickPeriods;
uint32_t ulAlarmValue, ulCompleteTickPeriods, ulInterruptStatus;
eSleepModeStatus eSleepAction;
portTickType xModifiableIdleTime;
enum sleepmgr_mode xSleepMode;
@ -284,8 +284,7 @@ enum sleepmgr_mode xSleepMode;
/* Enter a critical section but don't use the taskENTER_CRITICAL() method as
that will mask interrupts that should exit sleep mode. */
__asm volatile( "cpsid i \n\t"
"dsb \n\t" );
ulInterruptStatus = cpu_irq_save();
/* The tick flag is set to false before sleeping. If it is true when sleep
mode is exited then sleep mode was probably exited because the tick was
@ -303,7 +302,7 @@ enum sleepmgr_mode xSleepMode;
/* Re-enable interrupts - see comments above the cpsid instruction()
above. */
__asm volatile( "cpsie i" );
cpu_irq_restore( ulInterruptStatus );
}
else
{
@ -345,7 +344,7 @@ enum sleepmgr_mode xSleepMode;
/* Re-enable interrupts - see comments above the cpsid instruction()
above. */
__asm volatile( "cpsie i" );
cpu_irq_restore( ulInterruptStatus );
if( ulTickFlag != pdFALSE )
{