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Style: Revert uncrustify for portable directories (#122)
* Style: revert uncrustify portable directories * Style: Uncrustify Some Portable files Co-authored-by: Alfred Gedeon <gedeonag@amazon.com>
This commit is contained in:
alfred gedeon
GitHub
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commit
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273 changed files with 64802 additions and 65931 deletions
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@ -25,99 +25,81 @@
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* 1 tab == 4 spaces!
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*/
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EXTERN pxCurrentTCB
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EXTERN ulCriticalNesting
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EXTERN pxCurrentTCB
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EXTERN ulCriticalNesting
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;
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Context save and restore macro definitions
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;
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; Context save and restore macro definitions
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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portSAVE_CONTEXT MACRO
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;
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Push R0 as we are going to use the register.
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STMDB SP !, { R0 }
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; Push R0 as we are going to use the register.
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STMDB SP!, {R0}
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;
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Set R0 to point to the task stack pointer.
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STMDB SP, { SP } ^
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NOP
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SUB SP, SP, # 4
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LDMIA SP !, { R0 }
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; Set R0 to point to the task stack pointer.
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STMDB SP, {SP}^
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NOP
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SUB SP, SP, #4
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LDMIA SP!, {R0}
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;
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Push the return address onto the stack.
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STMDB R0 !, { LR }
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; Push the return address onto the stack.
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STMDB R0!, {LR}
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;
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; Now we have saved LR we can use it instead of R0.
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MOV LR, R0
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Now we have saved LR we can use it instead of R0.
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MOV LR, R0
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; Pop R0 so we can save it onto the system mode stack.
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LDMIA SP!, {R0}
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;
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Pop R0 so we can save it onto the system mode stack.
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LDMIA SP !, { R0 }
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; Push all the system mode registers onto the task stack.
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STMDB LR, {R0-LR}^
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NOP
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SUB LR, LR, #60
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;
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Push all the system mode registers onto the task stack.
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STMDB LR, { R0 - LR } ^
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NOP
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SUB LR, LR, # 60
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; Push the SPSR onto the task stack.
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MRS R0, SPSR
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STMDB LR!, {R0}
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;
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Push the SPSR onto the task stack.
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MRS R0, SPSR
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STMDB LR !, { R0 }
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LDR R0, =ulCriticalNesting
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LDR R0, [R0]
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STMDB LR!, {R0}
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LDR R0, = ulCriticalNesting
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LDR R0, [ R0 ]
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STMDB LR !, { R0 }
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; Store the new top of stack for the task.
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LDR R1, =pxCurrentTCB
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LDR R0, [R1]
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STR LR, [R0]
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;
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Store the new top of stack for the task.
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LDR R1, = pxCurrentTCB
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LDR R0, [ R1 ]
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STR LR, [ R0 ]
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ENDM
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ENDM
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portRESTORE_CONTEXT MACRO
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;
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Set the LR to the task stack.
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LDR R1, = pxCurrentTCB
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LDR R0, [ R1 ]
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LDR LR, [ R0 ]
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; Set the LR to the task stack.
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LDR R1, =pxCurrentTCB
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LDR R0, [R1]
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LDR LR, [R0]
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;
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The critical nesting depth is the first item on the stack.
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;
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Load it into the ulCriticalNesting variable.
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LDR R0, = ulCriticalNesting
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LDMFD LR !, { R1 }
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STR R1, [ R0 ]
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; The critical nesting depth is the first item on the stack.
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; Load it into the ulCriticalNesting variable.
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LDR R0, =ulCriticalNesting
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LDMFD LR!, {R1}
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STR R1, [R0]
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;
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Get the SPSR from the stack.
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LDMFD LR !, { R0 }
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MSR SPSR_cxsf, R0
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; Get the SPSR from the stack.
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LDMFD LR!, {R0}
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MSR SPSR_cxsf, R0
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;
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Restore all system mode registers for the task.
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LDMFD LR, { R0 - R14 } ^
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NOP
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; Restore all system mode registers for the task.
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LDMFD LR, {R0-R14}^
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NOP
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;
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Restore the return address.
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LDR LR, [ LR, # + 60 ]
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; Restore the return address.
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LDR LR, [LR, #+60]
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;
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; And return - correcting the offset in the LR to obtain the
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; correct address.
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SUBS PC, LR, #4
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And return -correcting the offset in the LR to obtain the
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;
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ENDM
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correct address.
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SUBS PC, LR, # 4
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ENDM
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@ -26,9 +26,9 @@
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*/
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/*-----------------------------------------------------------
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* Implementation of functions defined in portable.h for the ST STR91x ARM9
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* port.
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*----------------------------------------------------------*/
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* Implementation of functions defined in portable.h for the ST STR91x ARM9
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* port.
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*----------------------------------------------------------*/
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/* Library includes. */
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#include "91x_lib.h"
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@ -42,23 +42,23 @@
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#include "task.h"
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#ifndef configUSE_WATCHDOG_TICK
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#error configUSE_WATCHDOG_TICK must be set to either 1 or 0 in FreeRTOSConfig.h to use either the Watchdog or timer 2 to generate the tick interrupt respectively.
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#error configUSE_WATCHDOG_TICK must be set to either 1 or 0 in FreeRTOSConfig.h to use either the Watchdog or timer 2 to generate the tick interrupt respectively.
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#endif
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/* Constants required to setup the initial stack. */
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#ifndef _RUN_TASK_IN_ARM_MODE_
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#define portINITIAL_SPSR ( ( StackType_t ) 0x3f ) /* System mode, THUMB mode, interrupts enabled. */
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#define portINITIAL_SPSR ( ( StackType_t ) 0x3f ) /* System mode, THUMB mode, interrupts enabled. */
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#else
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#define portINITIAL_SPSR ( ( StackType_t ) 0x1f ) /* System mode, ARM mode, interrupts enabled. */
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#define portINITIAL_SPSR ( ( StackType_t ) 0x1f ) /* System mode, ARM mode, interrupts enabled. */
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#endif
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#define portINSTRUCTION_SIZE ( ( StackType_t ) 4 )
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#define portINSTRUCTION_SIZE ( ( StackType_t ) 4 )
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/* Constants required to handle critical sections. */
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#define portNO_CRITICAL_NESTING ( ( uint32_t ) 0 )
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#define portNO_CRITICAL_NESTING ( ( uint32_t ) 0 )
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#ifndef abs
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#define abs( x ) ( ( x ) > 0 ? ( x ) : -( x ) )
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#define abs(x) ((x)>0 ? (x) : -(x))
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#endif
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/**
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@ -73,15 +73,15 @@
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* }
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*
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*/
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#define TOGGLE_LED( port, pin ) \
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if( ( ( ( ( port )->DR[ ( pin ) << 2 ] ) ) & ( pin ) ) != Bit_RESET ) \
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{ \
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( port )->DR[ ( pin ) << 2 ] = 0x00; \
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} \
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else \
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{ \
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( port )->DR[ ( pin ) << 2 ] = ( pin ); \
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}
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#define TOGGLE_LED(port,pin) \
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if ( ((((port)->DR[(pin)<<2])) & (pin)) != Bit_RESET ) \
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{ \
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(port)->DR[(pin) <<2] = 0x00; \
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} \
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else \
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{ \
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(port)->DR[(pin) <<2] = (pin); \
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}
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/*-----------------------------------------------------------*/
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@ -90,21 +90,21 @@
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static void prvSetupTimerInterrupt( void );
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/* ulCriticalNesting will get set to zero when the first task starts. It
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* cannot be initialised to 0 as this will cause interrupts to be enabled
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* during the kernel initialisation process. */
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cannot be initialised to 0 as this will cause interrupts to be enabled
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during the kernel initialisation process. */
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uint32_t ulCriticalNesting = ( uint32_t ) 9999;
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/* Tick interrupt routines for cooperative and preemptive operation
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* respectively. The preemptive version is not defined as __irq as it is called
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* from an asm wrapper function. */
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respectively. The preemptive version is not defined as __irq as it is called
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from an asm wrapper function. */
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void WDG_IRQHandler( void );
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/* VIC interrupt default handler. */
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static void prvDefaultHandler( void );
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#if configUSE_WATCHDOG_TICK == 0
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/* Used to update the OCR timer register */
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static u16 s_nPulseLength;
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/* Used to update the OCR timer register */
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static u16 s_nPulseLength;
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#endif
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/*-----------------------------------------------------------*/
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@ -115,286 +115,268 @@ static void prvDefaultHandler( void );
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*
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* See header file for description.
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*/
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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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StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, TaskFunction_t pxCode, void *pvParameters )
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{
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StackType_t * pxOriginalTOS;
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StackType_t *pxOriginalTOS;
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pxOriginalTOS = pxTopOfStack;
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pxOriginalTOS = pxTopOfStack;
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/* To ensure asserts in tasks.c don't fail, although in this case the assert
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* is not really required. */
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pxTopOfStack--;
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/* To ensure asserts in tasks.c don't fail, although in this case the assert
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is not really required. */
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pxTopOfStack--;
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/* Setup the initial stack of the task. The stack is set exactly as
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* expected by the portRESTORE_CONTEXT() macro. */
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/* Setup the initial stack of the task. The stack is set exactly as
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expected by the portRESTORE_CONTEXT() macro. */
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/* First on the stack is the return address - which in this case is the
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* start of the task. The offset is added to make the return address appear
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* as it would within an IRQ ISR. */
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*pxTopOfStack = ( StackType_t ) pxCode + portINSTRUCTION_SIZE;
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pxTopOfStack--;
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/* First on the stack is the return address - which in this case is the
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start of the task. The offset is added to make the return address appear
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as it would within an IRQ ISR. */
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*pxTopOfStack = ( StackType_t ) pxCode + portINSTRUCTION_SIZE;
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0xaaaaaaaa; /* R14 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) pxOriginalTOS; /* Stack used when task starts goes in R13. */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x12121212; /* R12 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x11111111; /* R11 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x10101010; /* R10 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x09090909; /* R9 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x08080808; /* R8 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x07070707; /* R7 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x06060606; /* R6 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x05050505; /* R5 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x04040404; /* R4 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x03030303; /* R3 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x02020202; /* R2 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x01010101; /* R1 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0xaaaaaaaa; /* R14 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) pxOriginalTOS; /* Stack used when task starts goes in R13. */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x12121212; /* R12 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x11111111; /* R11 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x10101010; /* R10 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x09090909; /* R9 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x08080808; /* R8 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x07070707; /* R7 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x06060606; /* R6 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x05050505; /* R5 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x04040404; /* R4 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x03030303; /* R3 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x02020202; /* R2 */
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pxTopOfStack--;
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*pxTopOfStack = ( StackType_t ) 0x01010101; /* R1 */
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pxTopOfStack--;
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/* When the task starts is will expect to find the function parameter in
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* R0. */
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*pxTopOfStack = ( StackType_t ) pvParameters; /* R0 */
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pxTopOfStack--;
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/* When the task starts is will expect to find the function parameter in
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R0. */
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*pxTopOfStack = ( StackType_t ) pvParameters; /* R0 */
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pxTopOfStack--;
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/* The status register is set for system mode, with interrupts enabled. */
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*pxTopOfStack = ( StackType_t ) portINITIAL_SPSR;
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pxTopOfStack--;
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/* The status register is set for system mode, with interrupts enabled. */
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*pxTopOfStack = ( StackType_t ) portINITIAL_SPSR;
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pxTopOfStack--;
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/* Interrupt flags cannot always be stored on the stack and will
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* instead be stored in a variable, which is then saved as part of the
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* tasks context. */
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*pxTopOfStack = portNO_CRITICAL_NESTING;
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/* Interrupt flags cannot always be stored on the stack and will
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instead be stored in a variable, which is then saved as part of the
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tasks context. */
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*pxTopOfStack = portNO_CRITICAL_NESTING;
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return pxTopOfStack;
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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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extern void vPortStartFirstTask( void );
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extern void vPortStartFirstTask( void );
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/* Start the timer that generates the tick ISR. Interrupts are disabled
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* here already. */
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prvSetupTimerInterrupt();
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/* Start the timer that generates the tick ISR. Interrupts are disabled
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here already. */
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prvSetupTimerInterrupt();
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/* Start the first task. */
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vPortStartFirstTask();
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/* Start the first task. */
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vPortStartFirstTask();
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/* Should not get here! */
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return 0;
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/* Should not get here! */
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return 0;
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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 ARM port will require this function as there
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* is nothing to return to. */
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/* It is unlikely that the ARM port will require this function as there
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is nothing to return to. */
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}
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/*-----------------------------------------------------------*/
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/* This function is called from an asm wrapper, so does not require the __irq
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* keyword. */
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keyword. */
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#if configUSE_WATCHDOG_TICK == 1
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static void prvFindFactors( u32 n,
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u16 * a,
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u32 * b )
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{
|
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/* This function is copied from the ST STR7 library and is
|
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* copyright STMicroelectronics. Reproduced with permission. */
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static void prvFindFactors(u32 n, u16 *a, u32 *b)
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{
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/* This function is copied from the ST STR7 library and is
|
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copyright STMicroelectronics. Reproduced with permission. */
|
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|
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u32 b0;
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u16 a0;
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int32_t err, err_min=n;
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*a = a0 = ((n-1)/65536ul) + 1;
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*b = b0 = n / *a;
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|
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for (; *a <= 256; (*a)++)
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{
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*b = n / *a;
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err = (int32_t)*a * (int32_t)*b - (int32_t)n;
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if (abs(err) > (*a / 2))
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{
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(*b)++;
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err = (int32_t)*a * (int32_t)*b - (int32_t)n;
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}
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if (abs(err) < abs(err_min))
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||||
{
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err_min = err;
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a0 = *a;
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b0 = *b;
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if (err == 0) break;
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}
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}
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*a = a0;
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*b = b0;
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}
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/*-----------------------------------------------------------*/
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u32 b0;
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u16 a0;
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int32_t err, err_min = n;
|
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static void prvSetupTimerInterrupt( void )
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{
|
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WDG_InitTypeDef xWdg;
|
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uint16_t a;
|
||||
uint32_t n = configCPU_PERIPH_HZ / configTICK_RATE_HZ, b;
|
||||
|
||||
/* Configure the watchdog as a free running timer that generates a
|
||||
periodic interrupt. */
|
||||
|
||||
SCU_APBPeriphClockConfig( __WDG, ENABLE );
|
||||
WDG_DeInit();
|
||||
WDG_StructInit(&xWdg);
|
||||
prvFindFactors( n, &a, &b );
|
||||
xWdg.WDG_Prescaler = a - 1;
|
||||
xWdg.WDG_Preload = b - 1;
|
||||
WDG_Init( &xWdg );
|
||||
WDG_ITConfig(ENABLE);
|
||||
|
||||
/* Configure the VIC for the WDG interrupt. */
|
||||
VIC_Config( WDG_ITLine, VIC_IRQ, 10 );
|
||||
VIC_ITCmd( WDG_ITLine, ENABLE );
|
||||
|
||||
/* Install the default handlers for both VIC's. */
|
||||
VIC0->DVAR = ( uint32_t ) prvDefaultHandler;
|
||||
VIC1->DVAR = ( uint32_t ) prvDefaultHandler;
|
||||
|
||||
WDG_Cmd(ENABLE);
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
*a = a0 = ( ( n - 1 ) / 65536ul ) + 1;
|
||||
*b = b0 = n / *a;
|
||||
void WDG_IRQHandler( void )
|
||||
{
|
||||
{
|
||||
/* Increment the tick counter. */
|
||||
if( xTaskIncrementTick() != pdFALSE )
|
||||
{
|
||||
/* Select a new task to execute. */
|
||||
vTaskSwitchContext();
|
||||
}
|
||||
|
||||
/* Clear the interrupt in the watchdog. */
|
||||
WDG->SR &= ~0x0001;
|
||||
}
|
||||
}
|
||||
|
||||
for( ; *a <= 256; ( *a )++ )
|
||||
{
|
||||
*b = n / *a;
|
||||
err = ( int32_t ) *a * ( int32_t ) *b - ( int32_t ) n;
|
||||
#else
|
||||
|
||||
if( abs( err ) > ( *a / 2 ) )
|
||||
{
|
||||
( *b )++;
|
||||
err = ( int32_t ) *a * ( int32_t ) *b - ( int32_t ) n;
|
||||
}
|
||||
static void prvFindFactors(u32 n, u8 *a, u16 *b)
|
||||
{
|
||||
/* This function is copied from the ST STR7 library and is
|
||||
copyright STMicroelectronics. Reproduced with permission. */
|
||||
|
||||
u16 b0;
|
||||
u8 a0;
|
||||
int32_t err, err_min=n;
|
||||
|
||||
|
||||
*a = a0 = ((n-1)/256) + 1;
|
||||
*b = b0 = n / *a;
|
||||
|
||||
for (; *a <= 256; (*a)++)
|
||||
{
|
||||
*b = n / *a;
|
||||
err = (int32_t)*a * (int32_t)*b - (int32_t)n;
|
||||
if (abs(err) > (*a / 2))
|
||||
{
|
||||
(*b)++;
|
||||
err = (int32_t)*a * (int32_t)*b - (int32_t)n;
|
||||
}
|
||||
if (abs(err) < abs(err_min))
|
||||
{
|
||||
err_min = err;
|
||||
a0 = *a;
|
||||
b0 = *b;
|
||||
if (err == 0) break;
|
||||
}
|
||||
}
|
||||
|
||||
*a = a0;
|
||||
*b = b0;
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
if( abs( err ) < abs( err_min ) )
|
||||
{
|
||||
err_min = err;
|
||||
a0 = *a;
|
||||
b0 = *b;
|
||||
static void prvSetupTimerInterrupt( void )
|
||||
{
|
||||
uint8_t a;
|
||||
uint16_t b;
|
||||
uint32_t n = configCPU_PERIPH_HZ / configTICK_RATE_HZ;
|
||||
|
||||
TIM_InitTypeDef timer;
|
||||
|
||||
SCU_APBPeriphClockConfig( __TIM23, ENABLE );
|
||||
TIM_DeInit(TIM2);
|
||||
TIM_StructInit(&timer);
|
||||
prvFindFactors( n, &a, &b );
|
||||
|
||||
timer.TIM_Mode = TIM_OCM_CHANNEL_1;
|
||||
timer.TIM_OC1_Modes = TIM_TIMING;
|
||||
timer.TIM_Clock_Source = TIM_CLK_APB;
|
||||
timer.TIM_Clock_Edge = TIM_CLK_EDGE_RISING;
|
||||
timer.TIM_Prescaler = a-1;
|
||||
timer.TIM_Pulse_Level_1 = TIM_HIGH;
|
||||
timer.TIM_Pulse_Length_1 = s_nPulseLength = b-1;
|
||||
|
||||
TIM_Init (TIM2, &timer);
|
||||
TIM_ITConfig(TIM2, TIM_IT_OC1, ENABLE);
|
||||
/* Configure the VIC for the WDG interrupt. */
|
||||
VIC_Config( TIM2_ITLine, VIC_IRQ, 10 );
|
||||
VIC_ITCmd( TIM2_ITLine, ENABLE );
|
||||
|
||||
/* Install the default handlers for both VIC's. */
|
||||
VIC0->DVAR = ( uint32_t ) prvDefaultHandler;
|
||||
VIC1->DVAR = ( uint32_t ) prvDefaultHandler;
|
||||
|
||||
TIM_CounterCmd(TIM2, TIM_CLEAR);
|
||||
TIM_CounterCmd(TIM2, TIM_START);
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
if( err == 0 )
|
||||
{
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
*a = a0;
|
||||
*b = b0;
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
static void prvSetupTimerInterrupt( void )
|
||||
{
|
||||
WDG_InitTypeDef xWdg;
|
||||
uint16_t a;
|
||||
uint32_t n = configCPU_PERIPH_HZ / configTICK_RATE_HZ, b;
|
||||
|
||||
/* Configure the watchdog as a free running timer that generates a
|
||||
* periodic interrupt. */
|
||||
|
||||
SCU_APBPeriphClockConfig( __WDG, ENABLE );
|
||||
WDG_DeInit();
|
||||
WDG_StructInit( &xWdg );
|
||||
prvFindFactors( n, &a, &b );
|
||||
xWdg.WDG_Prescaler = a - 1;
|
||||
xWdg.WDG_Preload = b - 1;
|
||||
WDG_Init( &xWdg );
|
||||
WDG_ITConfig( ENABLE );
|
||||
|
||||
/* Configure the VIC for the WDG interrupt. */
|
||||
VIC_Config( WDG_ITLine, VIC_IRQ, 10 );
|
||||
VIC_ITCmd( WDG_ITLine, ENABLE );
|
||||
|
||||
/* Install the default handlers for both VIC's. */
|
||||
VIC0->DVAR = ( uint32_t ) prvDefaultHandler;
|
||||
VIC1->DVAR = ( uint32_t ) prvDefaultHandler;
|
||||
|
||||
WDG_Cmd( ENABLE );
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
void WDG_IRQHandler( void )
|
||||
{
|
||||
{
|
||||
/* Increment the tick counter. */
|
||||
if( xTaskIncrementTick() != pdFALSE )
|
||||
{
|
||||
/* Select a new task to execute. */
|
||||
vTaskSwitchContext();
|
||||
}
|
||||
|
||||
/* Clear the interrupt in the watchdog. */
|
||||
WDG->SR &= ~0x0001;
|
||||
}
|
||||
}
|
||||
|
||||
#else /* if configUSE_WATCHDOG_TICK == 1 */
|
||||
|
||||
static void prvFindFactors( u32 n,
|
||||
u8 * a,
|
||||
u16 * b )
|
||||
{
|
||||
/* This function is copied from the ST STR7 library and is
|
||||
* copyright STMicroelectronics. Reproduced with permission. */
|
||||
|
||||
u16 b0;
|
||||
u8 a0;
|
||||
int32_t err, err_min = n;
|
||||
|
||||
|
||||
*a = a0 = ( ( n - 1 ) / 256 ) + 1;
|
||||
*b = b0 = n / *a;
|
||||
|
||||
for( ; *a <= 256; ( *a )++ )
|
||||
{
|
||||
*b = n / *a;
|
||||
err = ( int32_t ) *a * ( int32_t ) *b - ( int32_t ) n;
|
||||
|
||||
if( abs( err ) > ( *a / 2 ) )
|
||||
{
|
||||
( *b )++;
|
||||
err = ( int32_t ) *a * ( int32_t ) *b - ( int32_t ) n;
|
||||
}
|
||||
|
||||
if( abs( err ) < abs( err_min ) )
|
||||
{
|
||||
err_min = err;
|
||||
a0 = *a;
|
||||
b0 = *b;
|
||||
|
||||
if( err == 0 )
|
||||
{
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
*a = a0;
|
||||
*b = b0;
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
static void prvSetupTimerInterrupt( void )
|
||||
{
|
||||
uint8_t a;
|
||||
uint16_t b;
|
||||
uint32_t n = configCPU_PERIPH_HZ / configTICK_RATE_HZ;
|
||||
|
||||
TIM_InitTypeDef timer;
|
||||
|
||||
SCU_APBPeriphClockConfig( __TIM23, ENABLE );
|
||||
TIM_DeInit( TIM2 );
|
||||
TIM_StructInit( &timer );
|
||||
prvFindFactors( n, &a, &b );
|
||||
|
||||
timer.TIM_Mode = TIM_OCM_CHANNEL_1;
|
||||
timer.TIM_OC1_Modes = TIM_TIMING;
|
||||
timer.TIM_Clock_Source = TIM_CLK_APB;
|
||||
timer.TIM_Clock_Edge = TIM_CLK_EDGE_RISING;
|
||||
timer.TIM_Prescaler = a - 1;
|
||||
timer.TIM_Pulse_Level_1 = TIM_HIGH;
|
||||
timer.TIM_Pulse_Length_1 = s_nPulseLength = b - 1;
|
||||
|
||||
TIM_Init( TIM2, &timer );
|
||||
TIM_ITConfig( TIM2, TIM_IT_OC1, ENABLE );
|
||||
/* Configure the VIC for the WDG interrupt. */
|
||||
VIC_Config( TIM2_ITLine, VIC_IRQ, 10 );
|
||||
VIC_ITCmd( TIM2_ITLine, ENABLE );
|
||||
|
||||
/* Install the default handlers for both VIC's. */
|
||||
VIC0->DVAR = ( uint32_t ) prvDefaultHandler;
|
||||
VIC1->DVAR = ( uint32_t ) prvDefaultHandler;
|
||||
|
||||
TIM_CounterCmd( TIM2, TIM_CLEAR );
|
||||
TIM_CounterCmd( TIM2, TIM_START );
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
void TIM2_IRQHandler( void )
|
||||
{
|
||||
/* Reset the timer counter to avioid overflow. */
|
||||
TIM2->OC1R += s_nPulseLength;
|
||||
|
||||
/* Increment the tick counter. */
|
||||
if( xTaskIncrementTick() != pdFALSE )
|
||||
{
|
||||
/* Select a new task to run. */
|
||||
vTaskSwitchContext();
|
||||
}
|
||||
|
||||
/* Clear the interrupt in the watchdog. */
|
||||
TIM2->SR &= ~TIM_FLAG_OC1;
|
||||
}
|
||||
void TIM2_IRQHandler( void )
|
||||
{
|
||||
/* Reset the timer counter to avioid overflow. */
|
||||
TIM2->OC1R += s_nPulseLength;
|
||||
|
||||
/* Increment the tick counter. */
|
||||
if( xTaskIncrementTick() != pdFALSE )
|
||||
{
|
||||
/* Select a new task to run. */
|
||||
vTaskSwitchContext();
|
||||
}
|
||||
|
||||
/* Clear the interrupt in the watchdog. */
|
||||
TIM2->SR &= ~TIM_FLAG_OC1;
|
||||
}
|
||||
|
||||
#endif /* USE_WATCHDOG_TICK */
|
||||
|
||||
|
|
@ -402,33 +384,38 @@ void vPortEndScheduler( void )
|
|||
|
||||
__arm __interwork void vPortEnterCritical( void )
|
||||
{
|
||||
/* Disable interrupts first! */
|
||||
portDISABLE_INTERRUPTS();
|
||||
/* Disable interrupts first! */
|
||||
portDISABLE_INTERRUPTS();
|
||||
|
||||
/* Now interrupts are disabled ulCriticalNesting can be accessed
|
||||
* directly. Increment ulCriticalNesting to keep a count of how many times
|
||||
* portENTER_CRITICAL() has been called. */
|
||||
ulCriticalNesting++;
|
||||
/* Now interrupts are disabled ulCriticalNesting can be accessed
|
||||
directly. Increment ulCriticalNesting to keep a count of how many times
|
||||
portENTER_CRITICAL() has been called. */
|
||||
ulCriticalNesting++;
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
__arm __interwork void vPortExitCritical( void )
|
||||
{
|
||||
if( ulCriticalNesting > portNO_CRITICAL_NESTING )
|
||||
{
|
||||
/* Decrement the nesting count as we are leaving a critical section. */
|
||||
ulCriticalNesting--;
|
||||
if( ulCriticalNesting > portNO_CRITICAL_NESTING )
|
||||
{
|
||||
/* Decrement the nesting count as we are leaving a critical section. */
|
||||
ulCriticalNesting--;
|
||||
|
||||
/* If the nesting level has reached zero then interrupts should be
|
||||
* re-enabled. */
|
||||
if( ulCriticalNesting == portNO_CRITICAL_NESTING )
|
||||
{
|
||||
portENABLE_INTERRUPTS();
|
||||
}
|
||||
}
|
||||
/* If the nesting level has reached zero then interrupts should be
|
||||
re-enabled. */
|
||||
if( ulCriticalNesting == portNO_CRITICAL_NESTING )
|
||||
{
|
||||
portENABLE_INTERRUPTS();
|
||||
}
|
||||
}
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
static void prvDefaultHandler( void )
|
||||
{
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -27,7 +27,7 @@
|
|||
|
||||
|
||||
#ifndef PORTMACRO_H
|
||||
#define PORTMACRO_H
|
||||
#define PORTMACRO_H
|
||||
|
||||
/*-----------------------------------------------------------
|
||||
* Port specific definitions.
|
||||
|
|
@ -39,74 +39,76 @@
|
|||
*-----------------------------------------------------------
|
||||
*/
|
||||
|
||||
#include <intrinsics.h>
|
||||
#include <intrinsics.h>
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
/* Type definitions. */
|
||||
#define portCHAR char
|
||||
#define portFLOAT float
|
||||
#define portDOUBLE double
|
||||
#define portLONG long
|
||||
#define portSHORT short
|
||||
#define portSTACK_TYPE uint32_t
|
||||
#define portBASE_TYPE long
|
||||
#define portCHAR char
|
||||
#define portFLOAT float
|
||||
#define portDOUBLE double
|
||||
#define portLONG long
|
||||
#define portSHORT short
|
||||
#define portSTACK_TYPE uint32_t
|
||||
#define portBASE_TYPE long
|
||||
|
||||
typedef portSTACK_TYPE StackType_t;
|
||||
typedef long BaseType_t;
|
||||
typedef unsigned long UBaseType_t;
|
||||
typedef portSTACK_TYPE StackType_t;
|
||||
typedef long BaseType_t;
|
||||
typedef unsigned long UBaseType_t;
|
||||
|
||||
|
||||
#if ( configUSE_16_BIT_TICKS == 1 )
|
||||
typedef uint16_t TickType_t;
|
||||
#define portMAX_DELAY ( TickType_t ) 0xffff
|
||||
#else
|
||||
typedef uint32_t TickType_t;
|
||||
#define portMAX_DELAY ( TickType_t ) 0xffffffffUL
|
||||
#endif
|
||||
#if( configUSE_16_BIT_TICKS == 1 )
|
||||
typedef uint16_t TickType_t;
|
||||
#define portMAX_DELAY ( TickType_t ) 0xffff
|
||||
#else
|
||||
typedef uint32_t TickType_t;
|
||||
#define portMAX_DELAY ( TickType_t ) 0xffffffffUL
|
||||
#endif
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Hardware specifics. */
|
||||
#define portSTACK_GROWTH ( -1 )
|
||||
#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
|
||||
#define portBYTE_ALIGNMENT 8
|
||||
#define portYIELD() asm ( "SWI 0" )
|
||||
#define portNOP() asm ( "NOP" )
|
||||
#define portSTACK_GROWTH ( -1 )
|
||||
#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )
|
||||
#define portBYTE_ALIGNMENT 8
|
||||
#define portYIELD() asm ( "SWI 0" )
|
||||
#define portNOP() asm ( "NOP" )
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Critical section handling. */
|
||||
__arm __interwork void vPortEnterCritical( void );
|
||||
__arm __interwork void vPortExitCritical( void );
|
||||
#define portENTER_CRITICAL() vPortEnterCritical()
|
||||
#define portEXIT_CRITICAL() vPortExitCritical()
|
||||
__arm __interwork void vPortEnterCritical( void );
|
||||
__arm __interwork void vPortExitCritical( void );
|
||||
#define portENTER_CRITICAL() vPortEnterCritical()
|
||||
#define portEXIT_CRITICAL() vPortExitCritical()
|
||||
|
||||
#define portDISABLE_INTERRUPTS() __disable_interrupt()
|
||||
#define portENABLE_INTERRUPTS() __enable_interrupt()
|
||||
#define portDISABLE_INTERRUPTS() __disable_interrupt()
|
||||
#define portENABLE_INTERRUPTS() __enable_interrupt()
|
||||
|
||||
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
/* Task utilities. */
|
||||
#define portEND_SWITCHING_ISR( xSwitchRequired ) \
|
||||
{ \
|
||||
extern void vTaskSwitchContext( void ); \
|
||||
\
|
||||
if( xSwitchRequired ) \
|
||||
{ \
|
||||
vTaskSwitchContext(); \
|
||||
} \
|
||||
}
|
||||
#define portEND_SWITCHING_ISR( xSwitchRequired ) \
|
||||
{ \
|
||||
extern void vTaskSwitchContext( void ); \
|
||||
\
|
||||
if( xSwitchRequired ) \
|
||||
{ \
|
||||
vTaskSwitchContext(); \
|
||||
} \
|
||||
}
|
||||
/*-----------------------------------------------------------*/
|
||||
|
||||
|
||||
/* Task function macros as described on the FreeRTOS.org WEB site. */
|
||||
#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void * pvParameters )
|
||||
#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void * pvParameters )
|
||||
#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void * pvParameters )
|
||||
#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void * pvParameters )
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* PORTMACRO_H */
|
||||
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue