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Alfred Gedeon 2020-07-07 17:42:07 -07:00 • committed by alfred gedeon
parent 66a815653b
commit 587a83d647
385 changed files with 4714 additions and 4338 deletions
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31
portable/WizC/PIC18/Drivers/Tick/Tick.c
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org
* http://aws.amazon.com/freertos
*
* 1 tab == 4 spaces!
*/
/*
@ -89,28 +90,28 @@ void portSetupTick( void )
/*
* Set the compare match value.
*/
CCPR1H = ( uint8_t ) ( ( portTIMER_COMPARE_VALUE >> 8 ) & 0xff );
CCPR1L = ( uint8_t ) ( portTIMER_COMPARE_VALUE & 0xff );
CCPR1H = ( uint8_t ) ( ( portTIMER_COMPARE_VALUE >> 8 ) & 0xff );
CCPR1L = ( uint8_t ) ( portTIMER_COMPARE_VALUE & 0xff );
/*
* Set Compare Special Event Trigger Mode
*/
bCCP1M3 = portBIT_SET;
bCCP1M2 = portBIT_CLEAR;
bCCP1M1 = portBIT_SET;
bCCP1M0 = portBIT_SET;
bCCP1M3 = portBIT_SET;
bCCP1M2 = portBIT_CLEAR;
bCCP1M1 = portBIT_SET;
bCCP1M0 = portBIT_SET;
/*
* Enable CCP1 interrupt
*/
bCCP1IE = portBIT_SET;
bCCP1IE = portBIT_SET;
/*
* We are only going to use the global interrupt bit, so disable
* interruptpriorities and enable peripheral interrupts.
*/
bIPEN = portBIT_CLEAR;
bPEIE = portBIT_SET;
bIPEN = portBIT_CLEAR;
bPEIE = portBIT_SET;
/*
* Set up timer1
@ -120,18 +121,18 @@ void portSetupTick( void )
/*
* Clear the time count
*/
TMR1H = ( uint8_t ) 0x00;
TMR1L = ( uint8_t ) 0x00;
TMR1H = ( uint8_t ) 0x00;
TMR1L = ( uint8_t ) 0x00;
/*
* Setup the timer
*/
bRD16 = portBIT_SET; /* 16-bit */
bRD16 = portBIT_SET; /* 16-bit */
bT1CKPS1 = portTIMER_COMPARE_PS1; /* prescaler */
bT1CKPS0 = portTIMER_COMPARE_PS0; /* prescaler */
bT1OSCEN = portBIT_SET; /* Oscillator enable */
bT1SYNC = portBIT_SET; /* No external clock sync */
bTMR1CS = portBIT_CLEAR; /* Internal clock */
bT1SYNC = portBIT_SET; /* No external clock sync */
bTMR1CS = portBIT_CLEAR; /* Internal clock */
bTMR1ON = portBIT_SET; /* Start timer1 */
bTMR1ON = portBIT_SET; /* Start timer1 */
}

1
portable/WizC/PIC18/Drivers/Tick/isrTick.c
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org
* http://aws.amazon.com/freertos
*
* 1 tab == 4 spaces!
*/
/*

1
portable/WizC/PIC18/addFreeRTOS.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org
* http://aws.amazon.com/freertos
*
* 1 tab == 4 spaces!
*/
/*

43
portable/WizC/PIC18/port.c
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org
* http://aws.amazon.com/freertos
*
* 1 tab == 4 spaces!
*/
/*
@ -86,7 +87,7 @@ extern volatile TCB_t * volatile pxCurrentTCB;
#define portSTACK_MINIMAL_CALLRETURN_DEPTH ( 10 )
#define portSTACK_OTHER_BYTES ( 20 )
uint16_t usCalcMinStackSize = 0;
uint16_t usCalcMinStackSize = 0;
/*-----------------------------------------------------------*/
@ -118,7 +119,7 @@ StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack,
movlw OVERHEADPAGE0 - LOCOPTSIZE + MAXLOCOPTSIZE
movwf PRODL, ACCESS;
PRODL is used as temp register _Pragma( "asmend" )
ucScratch = PRODL;
ucScratch = PRODL;
/*
* Place a few bytes of known values on the bottom of the stack.
@ -137,31 +138,31 @@ StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack,
* First store the function parameters. This is where the task expects
* to find them when it starts running.
*/
*pxTopOfStack-- = ( StackType_t ) ( ( ( uint16_t ) pvParameters >> 8 ) & 0x00ff );
*pxTopOfStack-- = ( StackType_t ) ( ( uint16_t ) pvParameters & 0x00ff );
*pxTopOfStack-- = ( StackType_t ) ( ( ( uint16_t ) pvParameters >> 8 ) & 0x00ff );
*pxTopOfStack-- = ( StackType_t ) ( ( uint16_t ) pvParameters & 0x00ff );
/*
* Next are all the registers that form part of the task context.
*/
*pxTopOfStack-- = ( StackType_t ) 0x11; /* STATUS. */
*pxTopOfStack-- = ( StackType_t ) 0x22; /* WREG. */
*pxTopOfStack-- = ( StackType_t ) 0x33; /* BSR. */
*pxTopOfStack-- = ( StackType_t ) 0x44; /* PRODH. */
*pxTopOfStack-- = ( StackType_t ) 0x55; /* PRODL. */
*pxTopOfStack-- = ( StackType_t ) 0x66; /* FSR0H. */
*pxTopOfStack-- = ( StackType_t ) 0x77; /* FSR0L. */
*pxTopOfStack-- = ( StackType_t ) 0x88; /* FSR1H. */
*pxTopOfStack-- = ( StackType_t ) 0x99; /* FSR1L. */
*pxTopOfStack-- = ( StackType_t ) 0xAA; /* TABLAT. */
*pxTopOfStack-- = ( StackType_t ) 0x11; /* STATUS. */
*pxTopOfStack-- = ( StackType_t ) 0x22; /* WREG. */
*pxTopOfStack-- = ( StackType_t ) 0x33; /* BSR. */
*pxTopOfStack-- = ( StackType_t ) 0x44; /* PRODH. */
*pxTopOfStack-- = ( StackType_t ) 0x55; /* PRODL. */
*pxTopOfStack-- = ( StackType_t ) 0x66; /* FSR0H. */
*pxTopOfStack-- = ( StackType_t ) 0x77; /* FSR0L. */
*pxTopOfStack-- = ( StackType_t ) 0x88; /* FSR1H. */
*pxTopOfStack-- = ( StackType_t ) 0x99; /* FSR1L. */
*pxTopOfStack-- = ( StackType_t ) 0xAA; /* TABLAT. */
#if _ROMSIZE > 0x8000
*pxTopOfStack-- = ( StackType_t ) 0x00; /* TBLPTRU. */
#endif
*pxTopOfStack-- = ( StackType_t ) 0xCC; /* TBLPTRH. */
*pxTopOfStack-- = ( StackType_t ) 0xDD; /* TBLPTRL. */
*pxTopOfStack-- = ( StackType_t ) 0xCC; /* TBLPTRH. */
*pxTopOfStack-- = ( StackType_t ) 0xDD; /* TBLPTRL. */
#if _ROMSIZE > 0x8000
*pxTopOfStack-- = ( StackType_t ) 0xEE; /* PCLATU. */
#endif
*pxTopOfStack-- = ( StackType_t ) 0xFF; /* PCLATH. */
*pxTopOfStack-- = ( StackType_t ) 0xFF; /* PCLATH. */
/*
* Next the compiler's scratchspace.
@ -180,14 +181,14 @@ StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack,
#if _ROMSIZE > 0x8000
*pxTopOfStack-- = ( StackType_t ) 0;
#endif
*pxTopOfStack-- = ( StackType_t ) ( ( ( uint16_t ) pxCode >> 8 ) & 0x00ff );
*pxTopOfStack-- = ( StackType_t ) ( ( uint16_t ) pxCode & 0x00ff );
*pxTopOfStack-- = ( StackType_t ) ( ( ( uint16_t ) pxCode >> 8 ) & 0x00ff );
*pxTopOfStack-- = ( StackType_t ) ( ( uint16_t ) pxCode & 0x00ff );
/*
* Store the number of return addresses on the hardware stack.
* So far only the address of the task entry point.
*/
*pxTopOfStack-- = ( StackType_t ) 1;
*pxTopOfStack-- = ( StackType_t ) 1;
/*
* The code generated by wizC does not maintain separate
@ -196,7 +197,7 @@ StackType_t * pxPortInitialiseStack( StackType_t * pxTopOfStack,
* track of the critical section nesting. This variable has to be stored
* as part of the task context and is initially set to zero.
*/
*pxTopOfStack-- = ( StackType_t ) portNO_CRITICAL_SECTION_NESTING;
*pxTopOfStack-- = ( StackType_t ) portNO_CRITICAL_SECTION_NESTING;
return pxTopOfStack;
}

234
portable/WizC/PIC18/portmacro.h
View file

@ -22,6 +22,7 @@
* http://www.FreeRTOS.org
* http://aws.amazon.com/freertos
*
* 1 tab == 4 spaces!
*/
/*
@ -199,86 +200,86 @@
* assembler definitions.
*/
#define portSAVE_CONTEXT( ucInterruptForced ) \
do \
{ \
portDISABLE_INTERRUPTS(); \
\
_Pragma( "asm" ) \
; \
; Push the relevant SFR 's onto the task's stack \
; \
movff STATUS, POSTDEC2 \
movff WREG, POSTDEC2 \
movff BSR, POSTDEC2 \
movff PRODH, POSTDEC2 \
movff PRODL, POSTDEC2 \
movff FSR0H, POSTDEC2 \
movff FSR0L, POSTDEC2 \
movff FSR1H, POSTDEC2 \
movff FSR1L, POSTDEC2 \
movff TABLAT, POSTDEC2 \
if __ROMSIZE > 0x8000 \
movff TBLPTRU, POSTDEC2 \
endif \
movff TBLPTRH, POSTDEC2 \
movff TBLPTRL, POSTDEC2 \
if __ROMSIZE > 0x8000 \
movff PCLATU, POSTDEC2 \
endif \
movff PCLATH, POSTDEC2 \
; \
; Store the compiler - scratch - area as described above. \
; \
movlw OVERHEADPAGE0 - LOCOPTSIZE + MAXLOCOPTSIZE \
clrf FSR0L, ACCESS \
clrf FSR0H, ACCESS \
_rtos_S1: \
movff POSTINC0, POSTDEC2 \
decfsz WREG, W, ACCESS \
SMARTJUMP _rtos_S1 \
; \
; Save the pic call / return -stack belonging to the \
#define portSAVE_CONTEXT( ucInterruptForced ) \
do \
{ \
portDISABLE_INTERRUPTS(); \
\
_Pragma( "asm" ) \
; \
; Push the relevant SFR 's onto the task's stack \
; \
movff STATUS, POSTDEC2 \
movff WREG, POSTDEC2 \
movff BSR, POSTDEC2 \
movff PRODH, POSTDEC2 \
movff PRODL, POSTDEC2 \
movff FSR0H, POSTDEC2 \
movff FSR0L, POSTDEC2 \
movff FSR1H, POSTDEC2 \
movff FSR1L, POSTDEC2 \
movff TABLAT, POSTDEC2 \
if __ROMSIZE > 0x8000 \
movff TBLPTRU, POSTDEC2 \
endif \
movff TBLPTRH, POSTDEC2 \
movff TBLPTRL, POSTDEC2 \
if __ROMSIZE > 0x8000 \
movff PCLATU, POSTDEC2 \
endif \
movff PCLATH, POSTDEC2 \
; \
; Store the compiler - scratch - area as described above. \
; \
movlw OVERHEADPAGE0 - LOCOPTSIZE + MAXLOCOPTSIZE \
clrf FSR0L, ACCESS \
clrf FSR0H, ACCESS \
_rtos_S1: \
movff POSTINC0, POSTDEC2 \
decfsz WREG, W, ACCESS \
SMARTJUMP _rtos_S1 \
; \
; Save the pic call / return -stack belonging to the \
; current task by copying it to the task 's software- \
; stack. We save the hardware stack pointer (which \
; is the number of addresses on the stack) in the \
; W-register first because we need it later and it \
; is modified in the save-loop by executing pop's. \
; After the loop the W - register is stored on the \
; stack, too. \
; \
movf STKPTR, W, ACCESS \
bz _rtos_s3 \
_rtos_S2: \
if __ROMSIZE > 0x8000 \
movff TOSU, POSTDEC2 \
endif \
movff TOSH, POSTDEC2 \
movff TOSL, POSTDEC2 \
pop \
tstfsz STKPTR, ACCESS \
SMARTJUMP _rtos_S2 \
_rtos_s3: \
movwf POSTDEC2, ACCESS \
; \
; Next the value for ucCriticalNesting used by the \
; task is stored on the stack.When \
; ( ucInterruptForced == portINTERRUPTS_FORCED ), we save \
; it as 0 ( portNO_CRITICAL_SECTION_NESTING ). \
; \
if ucInterruptForced == portINTERRUPTS_FORCED \
clrf POSTDEC2, ACCESS \
else{ \
movff ucCriticalNesting, POSTDEC2 \
endif \
; } \
; Save the new top of the software stack in the TCB. \
; \
movff pxCurrentTCB, FSR0L \
movff pxCurrentTCB + 1, FSR0H \
movff FSR2L, POSTINC0 \
movff FSR2H, POSTINC0 \
_Pragma( "asmend" ) \
; is modified in the save-loop by executing pop's. \
; After the loop the W - register is stored on the \
; stack, too. \
; \
movf STKPTR, W, ACCESS \
bz _rtos_s3 \
_rtos_S2: \
if __ROMSIZE > 0x8000 \
movff TOSU, POSTDEC2 \
endif \
movff TOSH, POSTDEC2 \
movff TOSL, POSTDEC2 \
pop \
tstfsz STKPTR, ACCESS \
SMARTJUMP _rtos_S2 \
_rtos_s3: \
movwf POSTDEC2, ACCESS \
; \
; Next the value for ucCriticalNesting used by the \
; task is stored on the stack.When \
; ( ucInterruptForced == portINTERRUPTS_FORCED ), we save \
; it as 0 ( portNO_CRITICAL_SECTION_NESTING ). \
; \
if ucInterruptForced == portINTERRUPTS_FORCED \
clrf POSTDEC2, ACCESS \
else{ \
movff ucCriticalNesting, POSTDEC2 \
endif \
; } \
; Save the new top of the software stack in the TCB. \
; \
movff pxCurrentTCB, FSR0L \
movff pxCurrentTCB + 1, FSR0H \
movff FSR2L, POSTINC0 \
movff FSR2H, POSTINC0 \
_Pragma( "asmend" ) \
} while( 0 )
/************************************************************/
@ -286,32 +287,32 @@ _rtos_s3:
/*
* This is the reverse of portSAVE_CONTEXT.
*/
#define portRESTORE_CONTEXT() \
do \
{ \
_Pragma( "asm" ) \
; \
; Set FSR0 to point to pxCurrentTCB->pxTopOfStack. \
; \
movff pxCurrentTCB, FSR0L \
movff pxCurrentTCB + 1, FSR0H \
; \
; De - reference FSR0 to set the address it holds into \
; FSR2( i.e. *( pxCurrentTCB->pxTopOfStack ) ).FSR2 \
; is used by wizC as stackpointer. \
; \
movff POSTINC0, FSR2L \
movff POSTINC0, FSR2H \
; \
; Next, the value for ucCriticalNesting used by the \
; task is retrieved from the stack. \
; \
movff PREINC2, ucCriticalNesting \
; \
; Rebuild the pic call / return -stack.The number of \
; return addresses is the next item on the task stack. \
; Save this number in PRODL.Then fetch the addresses \
; and store them on the hardwarestack. \
#define portRESTORE_CONTEXT() \
do \
{ \
_Pragma( "asm" ) \
; \
; Set FSR0 to point to pxCurrentTCB->pxTopOfStack. \
; \
movff pxCurrentTCB, FSR0L \
movff pxCurrentTCB + 1, FSR0H \
; \
; De - reference FSR0 to set the address it holds into \
; FSR2( i.e. *( pxCurrentTCB->pxTopOfStack ) ).FSR2 \
; is used by wizC as stackpointer. \
; \
movff POSTINC0, FSR2L \
movff POSTINC0, FSR2H \
; \
; Next, the value for ucCriticalNesting used by the \
; task is retrieved from the stack. \
; \
movff PREINC2, ucCriticalNesting \
; \
; Rebuild the pic call / return -stack.The number of \
; return addresses is the next item on the task stack. \
; Save this number in PRODL.Then fetch the addresses \
; and store them on the hardwarestack. \
; The datasheets say we can 't use movff here... \
; \
movff PREINC2,PRODL // Use PRODL as tempregister \
@ -331,17 +332,17 @@ _rtos_s3:
decfsz PRODL,F,ACCESS \
SMARTJUMP _rtos_R1 \
; \
; Restore the compiler's working storage area to page 0 \
; \
movlw OVERHEADPAGE0 - LOCOPTSIZE + MAXLOCOPTSIZE \
movwf FSR0L, ACCESS \
clrf FSR0H, ACCESS \
_rtos_R2: \
decf FSR0L, F, ACCESS \
movff PREINC2, INDF0 \
tstfsz FSR0L, ACCESS \
SMARTJUMP _rtos_R2 \
; \
; Restore the compiler's working storage area to page 0 \
; \
movlw OVERHEADPAGE0 - LOCOPTSIZE + MAXLOCOPTSIZE \
movwf FSR0L, ACCESS \
clrf FSR0H, ACCESS \
_rtos_R2: \
decf FSR0L, F, ACCESS \
movff PREINC2, INDF0 \
tstfsz FSR0L, ACCESS \
SMARTJUMP _rtos_R2 \
; \
; Restore the sfr 's forming the tasks context. \
; We cannot yet restore bsr, w and status because \
; we need these registers for a final test. \
@ -424,3 +425,10 @@ extern void vPortYield( void );