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fixed and enabled software watchdog timer

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This commit is contained in:
Erich Styger
2017-12-24 12:06:46 +01:00
parent 1ac637af0f
commit 5581dd26b5
5 changed files with 31 additions and 20 deletions
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4
left/build/uhk60-left_debug_jlink.launch
View File

@@ -50,7 +50,7 @@
<intAttribute key="org.eclipse.cdt.debug.gdbjtag.core.portNumber" value="2331"/>
<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.setPcRegister" value="false"/>
<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.setResume" value="false"/>
<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.setStopAt" value="false"/>
<booleanAttribute key="org.eclipse.cdt.debug.gdbjtag.core.setStopAt" value="true"/>
<stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.stopAt" value="main"/>
<stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.symbolsFileName" value=""/>
<stringAttribute key="org.eclipse.cdt.debug.gdbjtag.core.symbolsOffset" value=""/>
@@ -77,6 +77,6 @@
<listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_TYPES">
<listEntry value="4"/>
</listAttribute>
<stringAttribute key="org.eclipse.dsf.launch.MEMORY_BLOCKS" value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#10;&lt;memoryBlockExpressionList context=&quot;Context string&quot;/&gt;&#10;"/>
<stringAttribute key="org.eclipse.dsf.launch.MEMORY_BLOCKS" value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#13;&#10;&lt;memoryBlockExpressionList context=&quot;Context string&quot;/&gt;&#13;&#10;"/>
<stringAttribute key="process_factory_id" value="org.eclipse.cdt.dsf.gdb.GdbProcessFactory"/>
</launchConfiguration>

2
left/build/uhk60-left_release_jlink.launch
View File

@@ -77,6 +77,6 @@
<listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_TYPES">
<listEntry value="4"/>
</listAttribute>
<stringAttribute key="org.eclipse.dsf.launch.MEMORY_BLOCKS" value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#10;&lt;memoryBlockExpressionList context=&quot;Context string&quot;/&gt;&#10;"/>
<stringAttribute key="org.eclipse.dsf.launch.MEMORY_BLOCKS" value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#13;&#10;&lt;memoryBlockExpressionList context=&quot;Context string&quot;/&gt;&#13;&#10;"/>
<stringAttribute key="process_factory_id" value="org.eclipse.cdt.dsf.gdb.GdbProcessFactory"/>
</launchConfiguration>

37
left/src/i2c_watchdog.c
View File

@@ -4,35 +4,46 @@
#include "test_led.h"
#include "init_peripherals.h"
//static uint32_t prevWatchdogCounter = 0;
uint32_t I2cWatchdog_RecoveryCounter;
volatile uint32_t I2cWatchdog_WatchCounter;
/* NOTE: Because of a bug in the ROM bootloader of the KL03Z, the watchdog timer is disabled and cannot be re-enabled.
* See https://community.nxp.com/thread/457893
* Therefore the hardware watchdog timer cannot be used without an extra way to enter bootloader or application mode.
*/
#define WATCH_ENABLE_WATCHDOG (1) /* additionally, un-comment InitI2cWatchdog() in init_peripherals.c */
#if WATCH_ENABLE_WATCHDOG
static uint32_t prevWatchdogCounter = 0;
#endif
static uint32_t I2cWatchdog_RecoveryCounter; /* counter for how many times we had to recover and restart */
void InitI2cWatchdog(void)
{
lptmr_config_t lptmrConfig;
LPTMR_GetDefaultConfig(&lptmrConfig);
LPTMR_Init(LPTMR0, &lptmrConfig);
LPTMR_SetTimerPeriod(LPTMR0, USEC_TO_COUNT(LPTMR_USEC_COUNT, LPTMR_SOURCE_CLOCK));
LPTMR_SetTimerPeriod(LPTMR0, USEC_TO_COUNT(LPTMR_USEC_COUNT, LPTMR_SOURCE_CLOCK)); /* set LPTM for a 100 ms period */
LPTMR_EnableInterrupts(LPTMR0, kLPTMR_TimerInterruptEnable);
EnableIRQ(LPTMR0_IRQn);
LPTMR_StartTimer(LPTMR0);
}
/*
#if WATCH_ENABLE_WATCHDOG
void I2C_WATCHDOG_LPTMR_HANDLER(void)
{
static volatile uint32_t I2cWatchdog_WatchCounter = 0; /* counter for timer */
TEST_LED_TOGGLE();
I2cWatchdog_WatchCounter++;
if (I2C_Watchdog == prevWatchdogCounter) { // Restart I2C if there hasn't been any interrupt during 100 ms
// NVIC_SystemReset();
I2cWatchdog_RecoveryCounter++;
I2C_SlaveDeinit(I2C_BUS_BASEADDR);
InitI2c();
if (I2cWatchdog_WatchCounter>1) { /* do not check within the first 100 ms, as I2C might not be running yet */
if (I2C_Watchdog == prevWatchdogCounter) { // Restart I2C if there hasn't been any interrupt during 100 ms. I2C_Watchdog gets incremented for every I2C transaction
// NVIC_SystemReset();
I2cWatchdog_RecoveryCounter++;
I2C_SlaveDeinit(I2C_BUS_BASEADDR);
InitI2c();
}
}
prevWatchdogCounter = I2C_Watchdog;
prevWatchdogCounter = I2C_Watchdog; /* remember previous counter */
LPTMR_ClearStatusFlags(LPTMR0, kLPTMR_TimerCompareFlag);
}
*/
#endif

2
left/src/init_peripherals.c
View File

@@ -85,7 +85,7 @@ void InitPeripherals(void)
InitLedDriver();
InitTestLed();
LedPwm_Init();
// InitI2cWatchdog();
DebugOverSpi_Init();
InitI2c();
InitI2cWatchdog();
}

6
right/build/uhk60-right_debug_standalone_jlink.launch
View File

@@ -64,10 +64,10 @@
<intAttribute key="org.eclipse.cdt.launch.ATTR_BUILD_BEFORE_LAUNCH_ATTR" value="2"/>
<stringAttribute key="org.eclipse.cdt.launch.COREFILE_PATH" value=""/>
<stringAttribute key="org.eclipse.cdt.launch.DEBUGGER_REGISTER_GROUPS" value=""/>
<stringAttribute key="org.eclipse.cdt.launch.PROGRAM_NAME" value="uhk60-right_debug/uhk-right.elf"/>
<stringAttribute key="org.eclipse.cdt.launch.PROGRAM_NAME" value="uhk60-right_debug_standalone/uhk-right.elf"/>
<stringAttribute key="org.eclipse.cdt.launch.PROJECT_ATTR" value="uhk-right"/>
<booleanAttribute key="org.eclipse.cdt.launch.PROJECT_BUILD_CONFIG_AUTO_ATTR" value="false"/>
<stringAttribute key="org.eclipse.cdt.launch.PROJECT_BUILD_CONFIG_ID_ATTR" value="ilg.gnuarmeclipse.managedbuild.cross.config.elf.release.1939339834.1692217331.1297236062.2081695142"/>
<stringAttribute key="org.eclipse.cdt.launch.PROJECT_BUILD_CONFIG_ID_ATTR" value=""/>
<listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_PATHS">
<listEntry value="/uhk-right"/>
</listAttribute>
@@ -77,6 +77,6 @@
<listAttribute key="org.eclipse.debug.ui.favoriteGroups">
<listEntry value="org.eclipse.debug.ui.launchGroup.debug"/>
</listAttribute>
<stringAttribute key="org.eclipse.dsf.launch.MEMORY_BLOCKS" value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#10;&lt;memoryBlockExpressionList context=&quot;Context string&quot;/&gt;&#10;"/>
<stringAttribute key="org.eclipse.dsf.launch.MEMORY_BLOCKS" value="&lt;?xml version=&quot;1.0&quot; encoding=&quot;UTF-8&quot; standalone=&quot;no&quot;?&gt;&#13;&#10;&lt;memoryBlockExpressionList context=&quot;Context string&quot;/&gt;&#13;&#10;"/>
<stringAttribute key="process_factory_id" value="org.eclipse.cdt.dsf.gdb.GdbProcessFactory"/>
</launchConfiguration>