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Alfred Gedeon
alfred gedeon
parent
a5dbc2b1de
commit
718178c68a
406 changed files with 108795 additions and 106323 deletions
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@ -32,123 +32,125 @@
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#include "task.h"
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/* Critical nesting should be initialised to a non zero value so interrupts don't
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accidentally get enabled before the scheduler is started. */
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#define portINITIAL_CRITICAL_NESTING (( StackType_t ) 10)
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* accidentally get enabled before the scheduler is started. */
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#define portINITIAL_CRITICAL_NESTING ( ( StackType_t ) 10 )
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/* The PSW value assigned to tasks when they start to run for the first time. */
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#define portPSW (( StackType_t ) 0x00000000)
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#define portPSW ( ( StackType_t ) 0x00000000 )
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/* We require the address of the pxCurrentTCB variable, but don't want to know
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any details of its type. */
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* any details of its type. */
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typedef void TCB_t;
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extern volatile TCB_t * volatile pxCurrentTCB;
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/* Keeps track of the nesting level of critical sections. */
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volatile StackType_t usCriticalNesting = portINITIAL_CRITICAL_NESTING;
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volatile StackType_t usCriticalNesting = portINITIAL_CRITICAL_NESTING;
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/*-----------------------------------------------------------*/
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/* Sets up the timer to generate the tick interrupt. */
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static void prvSetupTimerInterrupt( void );
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/*-----------------------------------------------------------*/
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StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, TaskFunction_t pxCode, void *pvParameters )
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StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack,
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TaskFunction_t pxCode,
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void * pvParameters )
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{
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*pxTopOfStack = ( StackType_t ) pxCode; /* Task function start address */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) pxCode; /* Task function start address */
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pxTopOfStack--;
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*pxTopOfStack = portPSW; /* Initial PSW value */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x20202020; /* Initial Value of R20 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x21212121; /* Initial Value of R21 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x22222222; /* Initial Value of R22 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x23232323; /* Initial Value of R23 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x24242424; /* Initial Value of R24 */
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pxTopOfStack--;
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#if (__DATA_MODEL__ == 0) || (__DATA_MODEL__ == 1)
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*pxTopOfStack = ( StackType_t ) 0x25252525; /* Initial Value of R25 */
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pxTopOfStack--;
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#endif /* configDATA_MODE */
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*pxTopOfStack = ( StackType_t ) 0x26262626; /* Initial Value of R26 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x27272727; /* Initial Value of R27 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x28282828; /* Initial Value of R28 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x29292929; /* Initial Value of R29 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x30303030; /* Initial Value of R30 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x19191919; /* Initial Value of R19 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x18181818; /* Initial Value of R18 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x17171717; /* Initial Value of R17 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x16161616; /* Initial Value of R16 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x15151515; /* Initial Value of R15 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x14141414; /* Initial Value of R14 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x13131313; /* Initial Value of R13 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x12121212; /* Initial Value of R12 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x11111111; /* Initial Value of R11 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x10101010; /* Initial Value of R10 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x99999999; /* Initial Value of R09 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x88888888; /* Initial Value of R08 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x77777777; /* Initial Value of R07 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x66666666; /* Initial Value of R06 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x55555555; /* Initial Value of R05 */
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pxTopOfStack--;
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#if __DATA_MODEL__ == 0 || __DATA_MODEL__ == 1
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*pxTopOfStack = ( StackType_t ) 0x44444444; /* Initial Value of R04 */
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pxTopOfStack--;
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#endif /* configDATA_MODE */
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*pxTopOfStack = ( StackType_t ) 0x22222222; /* Initial Value of R02 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) pvParameters; /* R1 is expected to hold the function parameter*/
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) portNO_CRITICAL_SECTION_NESTING;
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*pxTopOfStack = ( StackType_t ) pxCode; /* Task function start address */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) pxCode; /* Task function start address */
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pxTopOfStack--;
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*pxTopOfStack = portPSW; /* Initial PSW value */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x20202020; /* Initial Value of R20 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x21212121; /* Initial Value of R21 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x22222222; /* Initial Value of R22 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x23232323; /* Initial Value of R23 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x24242424; /* Initial Value of R24 */
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pxTopOfStack--;
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#if ( __DATA_MODEL__ == 0 ) || ( __DATA_MODEL__ == 1 )
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*pxTopOfStack = ( StackType_t ) 0x25252525; /* Initial Value of R25 */
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pxTopOfStack--;
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#endif /* configDATA_MODE */
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*pxTopOfStack = ( StackType_t ) 0x26262626; /* Initial Value of R26 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x27272727; /* Initial Value of R27 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x28282828; /* Initial Value of R28 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x29292929; /* Initial Value of R29 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x30303030; /* Initial Value of R30 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x19191919; /* Initial Value of R19 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x18181818; /* Initial Value of R18 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x17171717; /* Initial Value of R17 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x16161616; /* Initial Value of R16 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x15151515; /* Initial Value of R15 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x14141414; /* Initial Value of R14 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x13131313; /* Initial Value of R13 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x12121212; /* Initial Value of R12 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x11111111; /* Initial Value of R11 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x10101010; /* Initial Value of R10 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x99999999; /* Initial Value of R09 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x88888888; /* Initial Value of R08 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x77777777; /* Initial Value of R07 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x66666666; /* Initial Value of R06 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x55555555; /* Initial Value of R05 */
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pxTopOfStack--;
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#if __DATA_MODEL__ == 0 || __DATA_MODEL__ == 1
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*pxTopOfStack = ( StackType_t ) 0x44444444; /* Initial Value of R04 */
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pxTopOfStack--;
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#endif /* configDATA_MODE */
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*pxTopOfStack = ( StackType_t ) 0x22222222; /* Initial Value of R02 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) pvParameters; /* R1 is expected to hold the function parameter*/
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) portNO_CRITICAL_SECTION_NESTING;
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/*
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* Return a pointer to the top of the stack we have generated so this can
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* be stored in the task control block for the task.
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*/
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return pxTopOfStack;
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/*
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* Return a pointer to the top of the stack we have generated so this can
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* be stored in the task control block for the task.
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*/
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return pxTopOfStack;
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}
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/*-----------------------------------------------------------*/
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BaseType_t xPortStartScheduler( void )
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{
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/* Setup the hardware to generate the tick. Interrupts are disabled when
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this function is called. */
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prvSetupTimerInterrupt();
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/* Setup the hardware to generate the tick. Interrupts are disabled when
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* this function is called. */
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prvSetupTimerInterrupt();
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/* Restore the context of the first task that is going to run. */
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vPortStart();
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/* Restore the context of the first task that is going to run. */
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vPortStart();
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/* Should not get here as the tasks are now running! */
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return pdTRUE;
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/* Should not get here as the tasks are now running! */
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return pdTRUE;
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}
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/*-----------------------------------------------------------*/
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void vPortEndScheduler( void )
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{
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/* It is unlikely that the V850ES/Fx3 port will get stopped. If required simply
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disable the tick interrupt here. */
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/* It is unlikely that the V850ES/Fx3 port will get stopped. If required simply
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* disable the tick interrupt here. */
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}
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/*-----------------------------------------------------------*/
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@ -157,26 +159,24 @@ void vPortEndScheduler( void )
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*/
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static void prvSetupTimerInterrupt( void )
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{
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TM0CE = 0; /* TMM0 operation disable */
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TM0EQMK0 = 1; /* INTTM0EQ0 interrupt disable */
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TM0EQIF0 = 0; /* clear INTTM0EQ0 interrupt flag */
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TM0CE = 0; /* TMM0 operation disable */
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TM0EQMK0 = 1; /* INTTM0EQ0 interrupt disable */
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TM0EQIF0 = 0; /* clear INTTM0EQ0 interrupt flag */
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#ifdef __IAR_V850ES_Fx3__
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{
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TM0CMP0 = (((configCPU_CLOCK_HZ / configTICK_RATE_HZ) / 2)-1); /* divided by 2 because peripherals only run at CPU_CLOCK/2 */
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}
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#else
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{
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TM0CMP0 = (configCPU_CLOCK_HZ / configTICK_RATE_HZ);
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}
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#endif
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#ifdef __IAR_V850ES_Fx3__
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{
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TM0CMP0 = ( ( ( configCPU_CLOCK_HZ / configTICK_RATE_HZ ) / 2 ) - 1 ); /* divided by 2 because peripherals only run at CPU_CLOCK/2 */
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}
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#else
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{
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TM0CMP0 = ( configCPU_CLOCK_HZ / configTICK_RATE_HZ );
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}
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#endif
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TM0EQIC0 &= 0xF8;
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TM0CTL0 = 0x00;
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TM0EQIF0 = 0; /* clear INTTM0EQ0 interrupt flag */
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TM0EQMK0 = 0; /* INTTM0EQ0 interrupt enable */
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TM0CE = 1; /* TMM0 operation enable */
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TM0EQIC0 &= 0xF8;
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TM0CTL0 = 0x00;
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TM0EQIF0 = 0; /* clear INTTM0EQ0 interrupt flag */
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TM0EQMK0 = 0; /* INTTM0EQ0 interrupt enable */
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TM0CE = 1; /* TMM0 operation enable */
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}
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/*-----------------------------------------------------------*/
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