/****************************************************************************
*
* NAME: vOSError
*
* DESCRIPTION:
* Catches any unexpected OS errors
*
* RETURNS:
* void
*
****************************************************************************/
PUBLIC void vOSError(OS_teStatus eStatus, void *hObject)
{
OS_thTask hTask;
/* ignore queue underruns */
if ((OS_E_QUEUE_EMPTY == eStatus) ||
((eStatus >= OS_E_SWTIMER_STOPPED) && (eStatus <= OS_E_SWTIMER_RUNNING)))
{
return;
}
DBG_vPrintf(TRACE_EXCEPTION, "OS Error %d, offending object handle = 0x%08x\n", eStatus, hObject);
/* NB the task may have been pre-empted by an ISR which may be at fault */
OS_eGetCurrentTask(&hTask);
DBG_vPrintf(TRACE_EXCEPTION, "Currently active task handle = 0x%08x\n", hTask);
#ifdef OS_STRICT_CHECKS
DBG_vPrintf(TRACE_EXCEPTION, "Currently active ISR fn address = 0x%08x\n", OS_prGetActiveISR());
#endif
#if HALT_ON_EXCEPTION
DBG_vDumpStack();
if ((eStatus < OS_E_SWTIMER_STOPPED) || (eStatus > OS_E_SWTIMER_RUNNING))
{
while(1);
}
#endif
}
/****************************************************************************
*
* NAME: vUnclaimedInterrupt
*
* DESCRIPTION:
* Catches any unexpected interrupts
*
* RETURNS:
* void
*
****************************************************************************/
PUBLIC void vUnclaimedInterrupt(void)
{
DBG_vPrintf(TRACE_EXCEPTION, "Unclaimed interrupt\n");
DBG_vDumpStack();
#if HALT_ON_EXCEPTION
while (1);
#else
vAHI_SwReset();
#endif
}
/****************************************************************************
*
* NAME: vAppMain
*
* DESCRIPTION:
* Entry point for application from a cold start.
*
* RETURNS:
* void
*
****************************************************************************/
PUBLIC void vAppMain(void)
{
#if JENNIC_CHIP_FAMILY == JN516x
/* Wait until FALSE i.e. on XTAL - otherwise uart data will be at wrong speed */
while (bAHI_GetClkSource() == TRUE);
/* Now we are running on the XTAL, optimise the flash memory wait states */
vAHI_OptimiseWaitStates();
#endif
/*
* Don't use RTS/CTS pins on UART0 as they are used for buttons
* */
vAHI_UartSetRTSCTS(E_AHI_UART_0, FALSE);
/*
* Initialize the debug diagnostics module to use UART0 at 115K Baud;
* Do not use UART 1 if LEDs are used, as it shares DIO with the LEDS
* */
DBG_vUartInit(DBG_E_UART_0, DBG_E_UART_BAUD_RATE_115200);
DBG_vPrintf(TRACE_START, "\nAPP Start: Switch Power Up");
/*
* Initialise the stack overflow exception to trigger if the end of the
* stack is reached. See the linker command file to adjust the allocated
* stack size.
*/
vAHI_SetStackOverflow(TRUE, (uint32)&_stack_low_water_mark);
/*
* Catch resets due to watchdog timer expiry. Comment out to harden code.
*/
if (bAHI_WatchdogResetEvent())
{
DBG_vPrintf(TRACE_START, "\nAPP Start: Watchdog timer has reset device!");
DBG_vDumpStack();
#if HALT_ON_EXCEPTION
vAHI_WatchdogStop();
while (1);
#endif
}
/* initialise ROM based software modules */
#ifndef JENNIC_MAC_MiniMacShim
u32AppApiInit(NULL, NULL, NULL, NULL, NULL, NULL);
#endif
/* Define HIGH_POWER_ENABLE to enable high power module */
#ifdef HIGH_POWER_ENABLE
vAHI_HighPowerModuleEnable(TRUE, TRUE);
#endif
/* start the RTOS */
OS_vStart(vInitialiseApp, vUnclaimedInterrupt, vOSError);
DBG_vPrintf(TRACE_START, "OS started\n");
/* idle task commences here */
while (TRUE)
{
/* Re-load the watch-dog timer. Execution must return through the idle
* task before the CPU is suspended by the power manager. This ensures
* that at least one task / ISR has executed with in the watchdog period
* otherwise the system will be reset.
*/
DBG_vPrintf(TRACE_START, "#");
vAHI_WatchdogRestart();
/*
* suspends CPU operation when the system is idle or puts the device to
* sleep if there are no activities in progress
*/
PWRM_vManagePower();
DBG_vPrintf(TRACE_START, "?");
}
}
