diff options
| author | rtel <rtel@1d2547de-c912-0410-9cb9-b8ca96c0e9e2> | 2019-10-16 04:28:28 +0000 |
|---|---|---|
| committer | rtel <rtel@1d2547de-c912-0410-9cb9-b8ca96c0e9e2> | 2019-10-16 04:28:28 +0000 |
| commit | 250429ced71c2b004c47db733203a38180abe8ba (patch) | |
| tree | 0203a3927e540c3ca2b54d8cdeec66fb940b92cb /FreeRTOS/Demo | |
| parent | 70be37b20bf51e7392563fbcf771374e525b422e (diff) | |
| download | freertos-250429ced71c2b004c47db733203a38180abe8ba.tar.gz | |
Recreate the RISC-V-Qemu demo using Vanilla Eclipse in place of Freedom Studio as there is not a new Freedom Studio project that targets the HiFive1 board, and the updated Freedom Studio version didn't work with this project any more anyway.
git-svn-id: http://svn.code.sf.net/p/freertos/code/trunk@2742 1d2547de-c912-0410-9cb9-b8ca96c0e9e2
Diffstat (limited to 'FreeRTOS/Demo')
15 files changed, 118 insertions, 802 deletions
diff --git a/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/.cproject b/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/.cproject index 2f9dbd537..debca76bc 100644 --- a/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/.cproject +++ b/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/.cproject @@ -1,8 +1,8 @@ <?xml version="1.0" encoding="UTF-8" standalone="no"?>
<?fileVersion 4.0.0?><cproject storage_type_id="org.eclipse.cdt.core.XmlProjectDescriptionStorage">
<storageModule moduleId="org.eclipse.cdt.core.settings">
- <cconfiguration id="ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.debug.516870870">
- <storageModule buildSystemId="org.eclipse.cdt.managedbuilder.core.configurationDataProvider" id="ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.debug.516870870" moduleId="org.eclipse.cdt.core.settings" name="Debug">
+ <cconfiguration id="cdt.managedbuild.config.gnu.cross.exe.debug.244253252">
+ <storageModule buildSystemId="org.eclipse.cdt.managedbuilder.core.configurationDataProvider" id="cdt.managedbuild.config.gnu.cross.exe.debug.244253252" moduleId="org.eclipse.cdt.core.settings" name="Debug">
<externalSettings/>
<extensions>
<extension id="org.eclipse.cdt.core.ELF" point="org.eclipse.cdt.core.BinaryParser"/>
@@ -14,214 +14,80 @@ </extensions>
</storageModule>
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diff --git a/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/.project b/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/.project index 2db361770..c1f63311d 100644 --- a/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/.project +++ b/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/.project @@ -25,120 +25,120 @@ </natures>
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<link>
- <name>FreeRTOS_Source</name>
+ <name>freertos_source</name>
<type>2</type>
<locationURI>virtual:/virtual</locationURI>
</link>
<link>
- <name>FreeRTOS_Source/event_groups.c</name>
+ <name>freertos_source/event_groups.c</name>
<type>1</type>
<locationURI>FREERTOS_ROOT/FreeRTOS/Source/event_groups.c</locationURI>
</link>
<link>
- <name>FreeRTOS_Source/include</name>
+ <name>freertos_source/include</name>
<type>2</type>
<locationURI>FREERTOS_ROOT/FreeRTOS/Source/include</locationURI>
</link>
<link>
- <name>FreeRTOS_Source/list.c</name>
+ <name>freertos_source/list.c</name>
<type>1</type>
<locationURI>FREERTOS_ROOT/FreeRTOS/Source/list.c</locationURI>
</link>
<link>
- <name>FreeRTOS_Source/portable</name>
+ <name>freertos_source/portable</name>
<type>2</type>
<locationURI>virtual:/virtual</locationURI>
</link>
<link>
- <name>FreeRTOS_Source/queue.c</name>
+ <name>freertos_source/queue.c</name>
<type>1</type>
<locationURI>FREERTOS_ROOT/FreeRTOS/Source/queue.c</locationURI>
</link>
<link>
- <name>FreeRTOS_Source/stream_buffer.c</name>
+ <name>freertos_source/stream_buffer.c</name>
<type>1</type>
<locationURI>FREERTOS_ROOT/FreeRTOS/Source/stream_buffer.c</locationURI>
</link>
<link>
- <name>FreeRTOS_Source/tasks.c</name>
+ <name>freertos_source/tasks.c</name>
<type>1</type>
<locationURI>FREERTOS_ROOT/FreeRTOS/Source/tasks.c</locationURI>
</link>
<link>
- <name>FreeRTOS_Source/timers.c</name>
+ <name>freertos_source/timers.c</name>
<type>1</type>
<locationURI>FREERTOS_ROOT/FreeRTOS/Source/timers.c</locationURI>
</link>
<link>
- <name>full_demo/common_demo_tasks</name>
+ <name>full_demo/standard_demo_tasks</name>
<type>2</type>
<locationURI>virtual:/virtual</locationURI>
</link>
<link>
- <name>FreeRTOS_Source/portable/GCC</name>
+ <name>freertos_source/portable/GCC</name>
<type>2</type>
<locationURI>virtual:/virtual</locationURI>
</link>
<link>
- <name>FreeRTOS_Source/portable/MemMang</name>
+ <name>freertos_source/portable/MemMang</name>
<type>2</type>
<locationURI>virtual:/virtual</locationURI>
</link>
<link>
- <name>full_demo/common_demo_tasks/EventGroupsDemo.c</name>
+ <name>full_demo/standard_demo_tasks/EventGroupsDemo.c</name>
<type>1</type>
<locationURI>FREERTOS_ROOT/FreeRTOS/Demo/Common/Minimal/EventGroupsDemo.c</locationURI>
</link>
<link>
- <name>full_demo/common_demo_tasks/GenQTest.c</name>
+ <name>full_demo/standard_demo_tasks/GenQTest.c</name>
<type>1</type>
<locationURI>FREERTOS_ROOT/FreeRTOS/Demo/Common/Minimal/GenQTest.c</locationURI>
</link>
<link>
- <name>full_demo/common_demo_tasks/TaskNotify.c</name>
+ <name>full_demo/standard_demo_tasks/TaskNotify.c</name>
<type>1</type>
<locationURI>FREERTOS_ROOT/FreeRTOS/Demo/Common/Minimal/TaskNotify.c</locationURI>
</link>
<link>
- <name>full_demo/common_demo_tasks/TimerDemo.c</name>
+ <name>full_demo/standard_demo_tasks/TimerDemo.c</name>
<type>1</type>
<locationURI>FREERTOS_ROOT/FreeRTOS/Demo/Common/Minimal/TimerDemo.c</locationURI>
</link>
<link>
- <name>full_demo/common_demo_tasks/blocktim.c</name>
+ <name>full_demo/standard_demo_tasks/blocktim.c</name>
<type>1</type>
<locationURI>FREERTOS_ROOT/FreeRTOS/Demo/Common/Minimal/blocktim.c</locationURI>
</link>
<link>
- <name>full_demo/common_demo_tasks/dynamic.c</name>
+ <name>full_demo/standard_demo_tasks/dynamic.c</name>
<type>1</type>
<locationURI>FREERTOS_ROOT/FreeRTOS/Demo/Common/Minimal/dynamic.c</locationURI>
</link>
<link>
- <name>full_demo/common_demo_tasks/include</name>
+ <name>full_demo/standard_demo_tasks/include</name>
<type>2</type>
<locationURI>FREERTOS_ROOT/FreeRTOS/Demo/Common/include</locationURI>
</link>
<link>
- <name>full_demo/common_demo_tasks/recmutex.c</name>
+ <name>full_demo/standard_demo_tasks/recmutex.c</name>
<type>1</type>
<locationURI>FREERTOS_ROOT/FreeRTOS/Demo/Common/Minimal/recmutex.c</locationURI>
</link>
<link>
- <name>FreeRTOS_Source/portable/GCC/RISC-V</name>
+ <name>freertos_source/portable/GCC/RISC-V</name>
<type>2</type>
<locationURI>FREERTOS_ROOT/FreeRTOS/Source/portable/GCC/RISC-V</locationURI>
</link>
<link>
- <name>FreeRTOS_Source/portable/MemMang/heap_4.c</name>
+ <name>freertos_source/portable/MemMang/heap_4.c</name>
<type>1</type>
<locationURI>FREERTOS_ROOT/FreeRTOS/Source/portable/MemMang/heap_4.c</locationURI>
</link>
</linkedResources>
<filteredResources>
<filter>
- <id>1546280186727</id>
- <name>FreeRTOS_Source/portable/GCC/RISC-V/chip_specific_extensions</name>
+ <id>1571146760235</id>
+ <name>freertos_source/portable/GCC/RISC-V/chip_specific_extensions</name>
<type>9</type>
<matcher>
<id>org.eclipse.ui.ide.multiFilter</id>
diff --git a/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/.settings/language.settings.xml b/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/.settings/language.settings.xml index f4d8f4687..97f9f0d9f 100644 --- a/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/.settings/language.settings.xml +++ b/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/.settings/language.settings.xml @@ -1,48 +1,14 @@ <?xml version="1.0" encoding="UTF-8" standalone="no"?>
<project>
-
- <configuration id="ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.debug.516870870" name="Debug">
-
- <extension point="org.eclipse.cdt.core.LanguageSettingsProvider">
-
- <provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/>
-
- <provider-reference id="org.eclipse.cdt.core.ReferencedProjectsLanguageSettingsProvider" ref="shared-provider"/>
-
- <provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/>
-
- <provider class="org.eclipse.cdt.managedbuilder.language.settings.providers.GCCBuiltinSpecsDetector" console="false" env-hash="589632151712267266" id="ilg.gnumcueclipse.managedbuild.cross.riscv.GCCBuiltinSpecsDetector" keep-relative-paths="false" name="CDT RISC-V Cross GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} ${cross_toolchain_flags} -E -P -v -dD "${INPUTS}"" prefer-non-shared="true">
-
- <language-scope id="org.eclipse.cdt.core.gcc"/>
-
- <language-scope id="org.eclipse.cdt.core.g++"/>
-
- </provider>
-
- </extension>
-
- </configuration>
-
- <configuration id="ilg.gnumcueclipse.managedbuild.cross.riscv.config.elf.release.1992646408" name="Release">
-
- <extension point="org.eclipse.cdt.core.LanguageSettingsProvider">
-
- <provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/>
-
- <provider-reference id="org.eclipse.cdt.core.ReferencedProjectsLanguageSettingsProvider" ref="shared-provider"/>
-
- <provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/>
-
- <provider class="org.eclipse.cdt.managedbuilder.language.settings.providers.GCCBuiltinSpecsDetector" console="false" env-hash="602853956613322166" id="ilg.gnumcueclipse.managedbuild.cross.riscv.GCCBuiltinSpecsDetector" keep-relative-paths="false" name="CDT RISC-V Cross GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} ${cross_toolchain_flags} -E -P -v -dD "${INPUTS}"" prefer-non-shared="true">
-
- <language-scope id="org.eclipse.cdt.core.gcc"/>
-
- <language-scope id="org.eclipse.cdt.core.g++"/>
-
- </provider>
-
- </extension>
-
- </configuration>
-
+ <configuration id="cdt.managedbuild.config.gnu.cross.exe.debug.244253252" name="Debug">
+ <extension point="org.eclipse.cdt.core.LanguageSettingsProvider">
+ <provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/>
+ <provider-reference id="org.eclipse.cdt.core.ReferencedProjectsLanguageSettingsProvider" ref="shared-provider"/>
+ <provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/>
+ <provider class="org.eclipse.cdt.internal.build.crossgcc.CrossGCCBuiltinSpecsDetector" console="false" env-hash="-564276645149001" id="org.eclipse.cdt.build.crossgcc.CrossGCCBuiltinSpecsDetector" keep-relative-paths="false" name="CDT Cross GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} -E -P -v -dD "${INPUTS}"" prefer-non-shared="true">
+ <language-scope id="org.eclipse.cdt.core.gcc"/>
+ <language-scope id="org.eclipse.cdt.core.g++"/>
+ </provider>
+ </extension>
+ </configuration>
</project>
diff --git a/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/FreeRTOSConfig.h b/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/FreeRTOSConfig.h index f239c1c3c..c48a10b3a 100644 --- a/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/FreeRTOSConfig.h +++ b/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/FreeRTOSConfig.h @@ -103,7 +103,7 @@ #define configTICK_RATE_HZ ( ( TickType_t ) 1000 )
#define configMAX_PRIORITIES ( 7 )
#define configMINIMAL_STACK_SIZE ( ( unsigned short ) 70 )
-#define configTOTAL_HEAP_SIZE ( ( size_t ) 14100 )
+#define configTOTAL_HEAP_SIZE ( ( size_t ) 14500 )
#define configMAX_TASK_NAME_LEN ( 16 )
#define configUSE_TRACE_FACILITY 0
#define configUSE_16_BIT_TICKS 0
@@ -126,7 +126,7 @@ #define configUSE_TIMERS 1
#define configTIMER_TASK_PRIORITY ( configMAX_PRIORITIES - 1 )
#define configTIMER_QUEUE_LENGTH 4
-#define configTIMER_TASK_STACK_DEPTH ( 100 )
+#define configTIMER_TASK_STACK_DEPTH ( 120 )
/* Task priorities. Allow these to be overridden. */
#ifndef uartPRIMARY_PRIORITY
@@ -144,6 +144,9 @@ to exclude the API function. */ #define INCLUDE_vTaskDelay 1
#define INCLUDE_eTaskGetState 1
#define INCLUDE_xTimerPendFunctionCall 1
+#define INCLUDE_xTaskAbortDelay 1
+#define INCLUDE_xTaskGetHandle 1
+#define INCLUDE_xSemaphoreGetMutexHolder 1
/* Normal assert() semantics without relying on the provision of an assert.h
header file. */
diff --git a/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/Hardware_Qemu.launch b/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/Hardware_Qemu.launch index ad57bf591..c95af4eb0 100644 --- a/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/Hardware_Qemu.launch +++ b/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/Hardware_Qemu.launch @@ -8,6 +8,7 @@ <stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.initCommands" value=""/>
<stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.ipAddress" value="localhost"/>
<stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.jtagDevice" value="Generic TCP/IP"/>
+<stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.jtagDeviceId" value="org.eclipse.cdt.debug.gdbjtag.core.jtagdevice.genericDevice"/>
<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.loadImage" value="false"/>
<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.loadSymbols" value="true"/>
<stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.pcRegister" value=""/>
@@ -25,6 +26,8 @@ <booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.useProjBinaryForSymbols" value="true"/>
<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.useRemoteTarget" value="true"/>
<stringAttribute key="org.eclipse.cdt.dsf.gdb.DEBUG_NAME" value="riscv64-unknown-elf-gdb.exe -iex "set mem inaccessible-by-default off" -iex "set arch riscv:rv32" -iex "set riscv use_compressed_breakpoint off""/>
+<booleanAttribute key="org.eclipse.cdt.dsf.gdb.REMOTE_TIMEOUT_ENABLED" value="false"/>
+<stringAttribute key="org.eclipse.cdt.dsf.gdb.REMOTE_TIMEOUT_VALUE" value=""/>
<booleanAttribute key="org.eclipse.cdt.dsf.gdb.UPDATE_THREADLIST_ON_SUSPEND" value="false"/>
<intAttribute key="org.eclipse.cdt.launch.ATTR_BUILD_BEFORE_LAUNCH_ATTR" value="2"/>
<stringAttribute key="org.eclipse.cdt.launch.COREFILE_PATH" value=""/>
diff --git a/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/blinky_demo/main_blinky.c b/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/blinky_demo/main_blinky.c index 78b3747db..96b9f9110 100644 --- a/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/blinky_demo/main_blinky.c +++ b/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/blinky_demo/main_blinky.c @@ -175,6 +175,7 @@ unsigned long ulReceivedValue; const unsigned long ulExpectedValue = 100UL;
const char * const pcPassMessage = "Blink\r\n";
const char * const pcFailMessage = "Unexpected value received\r\n";
+extern void vSendString( const char * pcString );
/* Remove compiler warning about unused parameter. */
( void ) pvParameters;
@@ -190,12 +191,12 @@ const char * const pcFailMessage = "Unexpected value received\r\n"; is it the expected value? If it is, toggle the LED. */
if( ulReceivedValue == ulExpectedValue )
{
- write( STDOUT_FILENO, pcPassMessage, strlen( pcPassMessage ) );
+ vSendString( pcPassMessage );
ulReceivedValue = 0U;
}
else
{
- write( STDOUT_FILENO, pcFailMessage, strlen( pcFailMessage ) );
+ vSendString( pcFailMessage );
}
}
}
diff --git a/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/freedom-e-sdk/drivers/fe300prci/fe300prci_driver.c b/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/freedom-e-sdk/drivers/fe300prci/fe300prci_driver.c deleted file mode 100644 index 214b1d5b6..000000000 --- a/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/freedom-e-sdk/drivers/fe300prci/fe300prci_driver.c +++ /dev/null @@ -1,252 +0,0 @@ -// See LICENSE file for license details
-
-#include "platform.h"
-
-#ifdef PRCI_CTRL_ADDR
-#include "fe300prci/fe300prci_driver.h"
-#include <unistd.h>
-
-#define rdmcycle(x) { \
- uint32_t lo, hi, hi2; \
- __asm__ __volatile__ ("1:\n\t" \
- "csrr %0, mcycleh\n\t" \
- "csrr %1, mcycle\n\t" \
- "csrr %2, mcycleh\n\t" \
- "bne %0, %2, 1b\n\t" \
- : "=r" (hi), "=r" (lo), "=r" (hi2)) ; \
- *(x) = lo | ((uint64_t) hi << 32); \
- }
-
-uint32_t PRCI_measure_mcycle_freq(uint32_t mtime_ticks, uint32_t mtime_freq)
-{
-
- uint32_t start_mtime = CLINT_REG(CLINT_MTIME);
- uint32_t end_mtime = start_mtime + mtime_ticks + 1;
-
- // Make sure we won't get rollover.
- while (end_mtime < start_mtime){
- start_mtime = CLINT_REG(CLINT_MTIME);
- end_mtime = start_mtime + mtime_ticks + 1;
- }
-
- // Don't start measuring until mtime edge.
- uint32_t tmp = start_mtime;
- do {
- start_mtime = CLINT_REG(CLINT_MTIME);
- } while (start_mtime == tmp);
-
- uint64_t start_mcycle;
- rdmcycle(&start_mcycle);
-
- while (CLINT_REG(CLINT_MTIME) < end_mtime) ;
-
- uint64_t end_mcycle;
- rdmcycle(&end_mcycle);
- uint32_t difference = (uint32_t) (end_mcycle - start_mcycle);
-
- uint64_t freq = ((uint64_t) difference * mtime_freq) / mtime_ticks;
- return (uint32_t) freq & 0xFFFFFFFF;
-
-}
-
-
-void PRCI_use_hfrosc(int div, int trim)
-{
- // Make sure the HFROSC is running at its default setting
- // It is OK to change this even if we are running off of it.
-
- PRCI_REG(PRCI_HFROSCCFG) = (ROSC_DIV(div) | ROSC_TRIM(trim) | ROSC_EN(1));
-
- while ((PRCI_REG(PRCI_HFROSCCFG) & ROSC_RDY(1)) == 0);
-
- PRCI_REG(PRCI_PLLCFG) &= ~PLL_SEL(1);
-}
-
-void PRCI_use_pll(int refsel, int bypass,
- int r, int f, int q, int finaldiv,
- int hfroscdiv, int hfrosctrim)
-{
- // Ensure that we aren't running off the PLL before we mess with it.
- if (PRCI_REG(PRCI_PLLCFG) & PLL_SEL(1)) {
- // Make sure the HFROSC is running at its default setting
- PRCI_use_hfrosc(4, 16);
- }
-
- // Set PLL Source to be HFXOSC if desired.
- uint32_t config_value = 0;
-
- config_value |= PLL_REFSEL(refsel);
-
- if (bypass) {
- // Bypass
- config_value |= PLL_BYPASS(1);
-
- PRCI_REG(PRCI_PLLCFG) = config_value;
-
- // If we don't have an HFXTAL, this doesn't really matter.
- // Set our Final output divide to divide-by-1:
- PRCI_REG(PRCI_PLLDIV) = (PLL_FINAL_DIV_BY_1(1) | PLL_FINAL_DIV(0));
- } else {
-
- // To overclock, use the hfrosc
- if (hfrosctrim >= 0 && hfroscdiv >= 0) {
- PRCI_use_hfrosc(hfroscdiv, hfrosctrim);
- }
-
- // Set DIV Settings for PLL
-
- // (Legal values of f_REF are 6-48MHz)
-
- // Set DIVR to divide-by-2 to get 8MHz frequency
- // (legal values of f_R are 6-12 MHz)
-
- config_value |= PLL_BYPASS(1);
- config_value |= PLL_R(r);
-
- // Set DIVF to get 512Mhz frequncy
- // There is an implied multiply-by-2, 16Mhz.
- // So need to write 32-1
- // (legal values of f_F are 384-768 MHz)
- config_value |= PLL_F(f);
-
- // Set DIVQ to divide-by-2 to get 256 MHz frequency
- // (legal values of f_Q are 50-400Mhz)
- config_value |= PLL_Q(q);
-
- // Set our Final output divide to divide-by-1:
- if (finaldiv == 1){
- PRCI_REG(PRCI_PLLDIV) = (PLL_FINAL_DIV_BY_1(1) | PLL_FINAL_DIV(0));
- } else {
- PRCI_REG(PRCI_PLLDIV) = (PLL_FINAL_DIV(finaldiv-1));
- }
-
- PRCI_REG(PRCI_PLLCFG) = config_value;
-
- // Un-Bypass the PLL.
- PRCI_REG(PRCI_PLLCFG) &= ~PLL_BYPASS(1);
-
- // Wait for PLL Lock
- // Note that the Lock signal can be glitchy.
- // Need to wait 100 us
- // RTC is running at 32kHz.
- // So wait 4 ticks of RTC.
- uint32_t now = CLINT_REG(CLINT_MTIME);
- while (CLINT_REG(CLINT_MTIME) - now < 4) ;
-
- // Now it is safe to check for PLL Lock
- while ((PRCI_REG(PRCI_PLLCFG) & PLL_LOCK(1)) == 0);
-
- }
-
- // Switch over to PLL Clock source
- PRCI_REG(PRCI_PLLCFG) |= PLL_SEL(1);
-
- // If we're running off HFXOSC, turn off the HFROSC to
- // save power.
- if (refsel) {
- PRCI_REG(PRCI_HFROSCCFG) &= ~ROSC_EN(1);
- }
-
-}
-
-void PRCI_use_default_clocks()
-{
- // Turn off the LFROSC
- AON_REG(AON_LFROSC) &= ~ROSC_EN(1);
-
- // Use HFROSC
- PRCI_use_hfrosc(4, 16);
-}
-
-void PRCI_use_hfxosc(uint32_t finaldiv)
-{
-
- PRCI_use_pll(1, // Use HFXTAL
- 1, // Bypass = 1
- 0, // PLL settings don't matter
- 0, // PLL settings don't matter
- 0, // PLL settings don't matter
- finaldiv,
- -1,
- -1);
-}
-
-// This is a generic function, which
-// doesn't span the entire range of HFROSC settings.
-// It only adjusts the trim, which can span a hundred MHz or so.
-// This function does not check the legality of the PLL settings
-// at all, and it is quite possible to configure invalid PLL settings
-// this way.
-// It returns the actual measured CPU frequency.
-
-uint32_t PRCI_set_hfrosctrim_for_f_cpu(uint32_t f_cpu, PRCI_freq_target target )
-{
-
- uint32_t hfrosctrim = 0;
- uint32_t hfroscdiv = 4;
- uint32_t prev_trim = 0;
-
- // In this function we use PLL settings which
- // will give us a 32x multiplier from the output
- // of the HFROSC source to the output of the
- // PLL. We first measure our HFROSC to get the
- // right trim, then finally use it as the PLL source.
- // We should really check here that the f_cpu
- // requested is something in the limit of the PLL. For
- // now that is up to the user.
-
- // This will undershoot for frequencies not divisible by 16.
- uint32_t desired_hfrosc_freq = (f_cpu/ 16);
-
- PRCI_use_hfrosc(hfroscdiv, hfrosctrim);
-
- // Ignore the first run (for icache reasons)
- uint32_t cpu_freq = PRCI_measure_mcycle_freq(3000, RTC_FREQ);
-
- cpu_freq = PRCI_measure_mcycle_freq(3000, RTC_FREQ);
- uint32_t prev_freq = cpu_freq;
-
- while ((cpu_freq < desired_hfrosc_freq) && (hfrosctrim < 0x1F)){
- prev_trim = hfrosctrim;
- prev_freq = cpu_freq;
- hfrosctrim ++;
- PRCI_use_hfrosc(hfroscdiv, hfrosctrim);
- cpu_freq = PRCI_measure_mcycle_freq(3000, RTC_FREQ);
- }
-
- // We couldn't go low enough
- if (prev_freq > desired_hfrosc_freq){
- PRCI_use_pll(0, 0, 1, 31, 1, 1, hfroscdiv, prev_trim);
- cpu_freq = PRCI_measure_mcycle_freq(1000, RTC_FREQ);
- return cpu_freq;
- }
-
- // We couldn't go high enough
- if (cpu_freq < desired_hfrosc_freq){
- PRCI_use_pll(0, 0, 1, 31, 1, 1, hfroscdiv, prev_trim);
- cpu_freq = PRCI_measure_mcycle_freq(1000, RTC_FREQ);
- return cpu_freq;
- }
-
- // Check for over/undershoot
- switch(target) {
- case(PRCI_FREQ_CLOSEST):
- if ((desired_hfrosc_freq - prev_freq) < (cpu_freq - desired_hfrosc_freq)) {
- PRCI_use_pll(0, 0, 1, 31, 1, 1, hfroscdiv, prev_trim);
- } else {
- PRCI_use_pll(0, 0, 1, 31, 1, 1, hfroscdiv, hfrosctrim);
- }
- break;
- case(PRCI_FREQ_UNDERSHOOT):
- PRCI_use_pll(0, 0, 1, 31, 1, 1, hfroscdiv, prev_trim);
- break;
- default:
- PRCI_use_pll(0, 0, 1, 31, 1, 1, hfroscdiv, hfrosctrim);
- }
-
- cpu_freq = PRCI_measure_mcycle_freq(1000, RTC_FREQ);
- return cpu_freq;
-
-}
-
-#endif
diff --git a/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/freedom-e-sdk/drivers/fe300prci/fe300prci_driver.h b/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/freedom-e-sdk/drivers/fe300prci/fe300prci_driver.h deleted file mode 100644 index 5ad9c0cad..000000000 --- a/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/freedom-e-sdk/drivers/fe300prci/fe300prci_driver.h +++ /dev/null @@ -1,79 +0,0 @@ -// See LICENSE file for license details
-
-#ifndef _FE300PRCI_DRIVER_H_
-#define _FE300PRCI_DRIVER_H_
-
-__BEGIN_DECLS
-
-#include <unistd.h>
-
-typedef enum prci_freq_target {
-
- PRCI_FREQ_OVERSHOOT,
- PRCI_FREQ_CLOSEST,
- PRCI_FREQ_UNDERSHOOT
-
-} PRCI_freq_target;
-
-/* Measure and return the approximate frequency of the
- * CPU, as given by measuring the mcycle counter against
- * the mtime ticks.
- */
-uint32_t PRCI_measure_mcycle_freq(uint32_t mtime_ticks, uint32_t mtime_freq);
-
-/* Safely switch over to the HFROSC using the given div
- * and trim settings.
- */
-void PRCI_use_hfrosc(int div, int trim);
-
-/* Safely switch over to the 16MHz HFXOSC,
- * applying the finaldiv clock divider (1 is the lowest
- * legal value).
- */
-void PRCI_use_hfxosc(uint32_t finaldiv);
-
-/* Safely switch over to the PLL using the given
- * settings.
- *
- * Note that not all combinations of the inputs are actually
- * legal, and this function does not check for their
- * legality ("safely" means that this function won't turn off
- * or glitch the clock the CPU is actually running off, but
- * doesn't protect against you making it too fast or slow.)
- */
-
-void PRCI_use_pll(int refsel, int bypass,
- int r, int f, int q, int finaldiv,
- int hfroscdiv, int hfrosctrim);
-
-/* Use the default clocks configured at reset.
- * This is ~16Mhz HFROSC and turns off the LFROSC
- * (on the current FE310 Dev Platforms, an external LFROSC is
- * used as it is more power efficient).
- */
-void PRCI_use_default_clocks();
-
-/* This routine will adjust the HFROSC trim
- * while using HFROSC as the clock source,
- * measure the resulting frequency, then
- * use it as the PLL clock source,
- * in an attempt to get over, under, or close to the
- * requested frequency. It returns the actual measured
- * frequency.
- *
- * Note that the requested frequency must be within the
- * range supported by the PLL so not all values are
- * achievable with this function, and not all
- * are guaranteed to actually work. The PLL
- * is rated higher than the hardware.
- *
- * There is no check on the desired f_cpu frequency, it
- * is up to the user to specify something reasonable.
- */
-
-uint32_t PRCI_set_hfrosctrim_for_f_cpu(uint32_t f_cpu, PRCI_freq_target target);
-
-__END_DECLS
-
-#endif
-
diff --git a/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/freedom-e-sdk/drivers/plic/plic_driver.c b/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/freedom-e-sdk/drivers/plic/plic_driver.c deleted file mode 100644 index 4f0e49541..000000000 --- a/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/freedom-e-sdk/drivers/plic/plic_driver.c +++ /dev/null @@ -1,127 +0,0 @@ -// See LICENSE for license details.
-
-#include "sifive/devices/plic.h"
-#include "plic/plic_driver.h"
-#include "platform.h"
-#include "encoding.h"
-#include <string.h>
-
-
-// Note that there are no assertions or bounds checking on these
-// parameter values.
-
-void volatile_memzero(uint8_t * base, unsigned int size)
-{
- volatile uint8_t * ptr;
- for (ptr = base; ptr < (base + size); ptr++){
- *ptr = 0;
- }
-}
-
-void PLIC_init (
- plic_instance_t * this_plic,
- uintptr_t base_addr,
- uint32_t num_sources,
- uint32_t num_priorities
- )
-{
-
- this_plic->base_addr = base_addr;
- this_plic->num_sources = num_sources;
- this_plic->num_priorities = num_priorities;
-
- // Disable all interrupts (don't assume that these registers are reset).
- unsigned long hart_id = read_csr(mhartid);
- volatile_memzero((uint8_t*) (this_plic->base_addr +
- PLIC_ENABLE_OFFSET +
- (hart_id << PLIC_ENABLE_SHIFT_PER_TARGET)),
- (num_sources + 8) / 8);
-
- // Set all priorities to 0 (equal priority -- don't assume that these are reset).
- volatile_memzero ((uint8_t *)(this_plic->base_addr +
- PLIC_PRIORITY_OFFSET),
- (num_sources + 1) << PLIC_PRIORITY_SHIFT_PER_SOURCE);
-
- // Set the threshold to 0.
- volatile plic_threshold* threshold = (plic_threshold*)
- (this_plic->base_addr +
- PLIC_THRESHOLD_OFFSET +
- (hart_id << PLIC_THRESHOLD_SHIFT_PER_TARGET));
-
- *threshold = 0;
-
-}
-
-void PLIC_set_threshold (plic_instance_t * this_plic,
- plic_threshold threshold){
-
- unsigned long hart_id = read_csr(mhartid);
- volatile plic_threshold* threshold_ptr = (plic_threshold*) (this_plic->base_addr +
- PLIC_THRESHOLD_OFFSET +
- (hart_id << PLIC_THRESHOLD_SHIFT_PER_TARGET));
-
- *threshold_ptr = threshold;
-
-}
-
-
-void PLIC_enable_interrupt (plic_instance_t * this_plic, plic_source source){
-
- unsigned long hart_id = read_csr(mhartid);
- volatile uint8_t * current_ptr = (volatile uint8_t *)(this_plic->base_addr +
- PLIC_ENABLE_OFFSET +
- (hart_id << PLIC_ENABLE_SHIFT_PER_TARGET) +
- (source >> 3));
- uint8_t current = *current_ptr;
- current = current | ( 1 << (source & 0x7));
- *current_ptr = current;
-
-}
-
-void PLIC_disable_interrupt (plic_instance_t * this_plic, plic_source source){
-
- unsigned long hart_id = read_csr(mhartid);
- volatile uint8_t * current_ptr = (volatile uint8_t *) (this_plic->base_addr +
- PLIC_ENABLE_OFFSET +
- (hart_id << PLIC_ENABLE_SHIFT_PER_TARGET) +
- (source >> 3));
- uint8_t current = *current_ptr;
- current = current & ~(( 1 << (source & 0x7)));
- *current_ptr = current;
-
-}
-
-void PLIC_set_priority (plic_instance_t * this_plic, plic_source source, plic_priority priority){
-
- if (this_plic->num_priorities > 0) {
- volatile plic_priority * priority_ptr = (volatile plic_priority *)
- (this_plic->base_addr +
- PLIC_PRIORITY_OFFSET +
- (source << PLIC_PRIORITY_SHIFT_PER_SOURCE));
- *priority_ptr = priority;
- }
-}
-
-plic_source PLIC_claim_interrupt(plic_instance_t * this_plic){
-
- unsigned long hart_id = read_csr(mhartid);
-
- volatile plic_source * claim_addr = (volatile plic_source * )
- (this_plic->base_addr +
- PLIC_CLAIM_OFFSET +
- (hart_id << PLIC_CLAIM_SHIFT_PER_TARGET));
-
- return *claim_addr;
-
-}
-
-void PLIC_complete_interrupt(plic_instance_t * this_plic, plic_source source){
-
- unsigned long hart_id = read_csr(mhartid);
- volatile plic_source * claim_addr = (volatile plic_source *) (this_plic->base_addr +
- PLIC_CLAIM_OFFSET +
- (hart_id << PLIC_CLAIM_SHIFT_PER_TARGET));
- *claim_addr = source;
-
-}
-
diff --git a/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/freedom-e-sdk/drivers/plic/plic_driver.h b/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/freedom-e-sdk/drivers/plic/plic_driver.h deleted file mode 100644 index 8ce8e5131..000000000 --- a/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/freedom-e-sdk/drivers/plic/plic_driver.h +++ /dev/null @@ -1,51 +0,0 @@ -// See LICENSE file for licence details
-
-#ifndef PLIC_DRIVER_H
-#define PLIC_DRIVER_H
-
-
-__BEGIN_DECLS
-
-#include "platform.h"
-
-typedef struct __plic_instance_t
-{
- uintptr_t base_addr;
-
- uint32_t num_sources;
- uint32_t num_priorities;
-
-} plic_instance_t;
-
-typedef uint32_t plic_source;
-typedef uint32_t plic_priority;
-typedef uint32_t plic_threshold;
-
-void PLIC_init (
- plic_instance_t * this_plic,
- uintptr_t base_addr,
- uint32_t num_sources,
- uint32_t num_priorities
- );
-
-void PLIC_set_threshold (plic_instance_t * this_plic,
- plic_threshold threshold);
-
-void PLIC_enable_interrupt (plic_instance_t * this_plic,
- plic_source source);
-
-void PLIC_disable_interrupt (plic_instance_t * this_plic,
- plic_source source);
-
-void PLIC_set_priority (plic_instance_t * this_plic,
- plic_source source,
- plic_priority priority);
-
-plic_source PLIC_claim_interrupt(plic_instance_t * this_plic);
-
-void PLIC_complete_interrupt(plic_instance_t * this_plic,
- plic_source source);
-
-__END_DECLS
-
-#endif
diff --git a/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/freedom-e-sdk/env/freedom-e300-hifive1/flash.lds b/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/freedom-e-sdk/env/freedom-e300-hifive1/flash.lds index 0b7e75491..44639ee71 100644 --- a/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/freedom-e-sdk/env/freedom-e300-hifive1/flash.lds +++ b/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/freedom-e-sdk/env/freedom-e300-hifive1/flash.lds @@ -17,7 +17,7 @@ PHDRS SECTIONS
{
- __stack_size = DEFINED(__stack_size) ? __stack_size : 2K;
+ __stack_size = DEFINED(__stack_size) ? __stack_size : 400;
.init :
{
diff --git a/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/freedom-e-sdk/env/freedom-e300-hifive1/init.c b/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/freedom-e-sdk/env/freedom-e300-hifive1/init.c index a0800e8f3..64fa6ef10 100644 --- a/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/freedom-e-sdk/env/freedom-e300-hifive1/init.c +++ b/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/freedom-e-sdk/env/freedom-e300-hifive1/init.c @@ -222,8 +222,6 @@ void _init() use_pll(0, 0, 1, 31, 1);
uart_init(115200);
- printf("core freq at %d Hz\n", (int)get_cpu_freq());
-
write_csr(mtvec, &trap_entry);
if (read_csr(misa) & (1 << ('F' - 'A'))) { // if F extension is present
write_csr(mstatus, MSTATUS_FS); // allow FPU instructions without trapping
diff --git a/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/full_demo/main_full.c b/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/full_demo/main_full.c index bd79bcb02..6c053a7ff 100644 --- a/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/full_demo/main_full.c +++ b/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/full_demo/main_full.c @@ -196,12 +196,11 @@ TickType_t xLastExecutionTime; static unsigned long ulLastRegTest1Value = 0, ulLastRegTest2Value = 0;
const char * const pcPassMessage = "Pass";
const char * pcStatusMessage = ".";
+extern void vSendString( const char * pcString );
/* Just to stop compiler warnings. */
( void ) pvParameters;
- write( STDOUT_FILENO, pcPassMessage, strlen( pcPassMessage ) );
-
/* Initialise xLastExecutionTime so the first call to vTaskDelayUntil()
works correctly. */
xLastExecutionTime = xTaskGetTickCount();
@@ -269,7 +268,7 @@ const char * pcStatusMessage = "."; ulLastRegTest2Value = ulRegTest2LoopCounter;
/* Write the status message to the UART. */
- write( STDOUT_FILENO, pcStatusMessage, strlen( pcStatusMessage ) );
+ vSendString( pcStatusMessage );
}
}
/*-----------------------------------------------------------*/
diff --git a/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/main.c b/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/main.c index 5c820394b..07912293e 100644 --- a/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/main.c +++ b/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/main.c @@ -73,7 +73,7 @@ /* Set mainCREATE_SIMPLE_BLINKY_DEMO_ONLY to one to run the simple blinky demo,
or 0 to run the more comprehensive test and demo application. */
-#define mainCREATE_SIMPLE_BLINKY_DEMO_ONLY 1
+#define mainCREATE_SIMPLE_BLINKY_DEMO_ONLY 0
/*
* main_blinky() is used when mainCREATE_SIMPLE_BLINKY_DEMO_ONLY is set to 1.
@@ -85,17 +85,28 @@ or 0 to run the more comprehensive test and demo application. */ extern void main_full( void );
#endif /* #if mainCREATE_SIMPLE_BLINKY_DEMO_ONLY == 1 */
-/* Prototypes for the standard FreeRTOS callback/hook functions implemented
-within this file. See https://www.freertos.org/a00016.html */
+/*
+ * Prototypes for the standard FreeRTOS callback/hook functions implemented
+ * within this file. See https://www.freertos.org/a00016.html
+ */
void vApplicationMallocFailedHook( void );
void vApplicationIdleHook( void );
void vApplicationStackOverflowHook( TaskHandle_t pxTask, char *pcTaskName );
void vApplicationTickHook( void );
+/*
+ * Very simply polling write to the UART. The full demo only writes single
+ * characters at a time so as not to disrupt the timing of the test and demo
+ * tasks.
+ */
+void vSendString( const char * pcString );
+
/*-----------------------------------------------------------*/
int main( void )
{
+ vSendString( "Starting" );
+
/* The mainCREATE_SIMPLE_BLINKY_DEMO_ONLY setting is described at the top
of this file. */
#if( mainCREATE_SIMPLE_BLINKY_DEMO_ONLY == 1 )
@@ -176,3 +187,15 @@ volatile uint32_t ulSetTo1ToExitFunction = 0; __asm volatile( "NOP" );
}
}
+/*-----------------------------------------------------------*/
+
+void vSendString( const char * pcString )
+{
+ while( *pcString != 0x00 )
+ {
+ while( UART0_REG( UART_REG_TXFIFO ) & 0x80000000 );
+ UART0_REG( UART_REG_TXFIFO ) = *pcString;
+ *pcString++;
+ }
+}
+
diff --git a/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/sifive-freedom-e300-hifive1.cfg b/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/sifive-freedom-e300-hifive1.cfg deleted file mode 100644 index d0af4dd74..000000000 --- a/FreeRTOS/Demo/RISC-V-Qemu-sifive_e-FreedomStudio/sifive-freedom-e300-hifive1.cfg +++ /dev/null @@ -1,34 +0,0 @@ -adapter_khz 10000
-
-interface ftdi
-ftdi_device_desc "Dual RS232-HS"
-ftdi_vid_pid 0x0403 0x6010
-
-ftdi_layout_init 0x0008 0x001b
-ftdi_layout_signal nSRST -oe 0x0020 -data 0x0020
-
-#Reset Stretcher logic on FE310 is ~1 second long
-#This doesn't apply if you use
-# ftdi_set_signal, but still good to document
-#adapter_nsrst_delay 1500
-
-set _CHIPNAME riscv
-jtag newtap $_CHIPNAME cpu -irlen 5 -expected-id 0x10e31913
-
-set _TARGETNAME $_CHIPNAME.cpu
-target create $_TARGETNAME riscv -chain-position $_TARGETNAME
-$_TARGETNAME configure -work-area-phys 0x80000000 -work-area-size 10000 -work-area-backup 1
-
-flash bank onboard_spi_flash fespi 0x20000000 0 0 0 $_TARGETNAME
-init
-#reset -- This type of reset is not implemented yet
-if {[ info exists pulse_srst]} {
- ftdi_set_signal nSRST 0
- ftdi_set_signal nSRST z
- #Wait for the reset stretcher
- #It will work without this, but
- #will incur lots of delays for later commands.
- sleep 1500
-}
-halt
-flash protect 0 64 last off
|