+++ /dev/null
-/*\r
- * FreeRTOS Kernel V10.2.0\r
- * Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.\r
- *\r
- * Permission is hereby granted, free of charge, to any person obtaining a copy of\r
- * this software and associated documentation files (the "Software"), to deal in\r
- * the Software without restriction, including without limitation the rights to\r
- * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of\r
- * the Software, and to permit persons to whom the Software is furnished to do so,\r
- * subject to the following conditions:\r
- *\r
- * The above copyright notice and this permission notice shall be included in all\r
- * copies or substantial portions of the Software.\r
- *\r
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS\r
- * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR\r
- * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER\r
- * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN\r
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\r
- *\r
- * http://www.FreeRTOS.org\r
- * http://aws.amazon.com/freertos\r
- *\r
- * 1 tab == 4 spaces!\r
- */\r
-\r
-/* Standard includes. */\r
-#include <stdlib.h>\r
-\r
-/* Scheduler includes. */\r
-#include "FreeRTOS.h"\r
-#include "task.h"\r
-\r
-#if configUSE_PORT_OPTIMISED_TASK_SELECTION == 1\r
- /* Check the configuration. */\r
- #if( configMAX_PRIORITIES > 32 )\r
- #error configUSE_PORT_OPTIMISED_TASK_SELECTION can only be set to 1 when configMAX_PRIORITIES is less than or equal to 32. It is very rare that a system requires more than 10 to 15 difference priorities as tasks that share a priority will time slice.\r
- #endif\r
-#endif /* configUSE_PORT_OPTIMISED_TASK_SELECTION */\r
-\r
-#ifndef configSETUP_TICK_INTERRUPT\r
- #error configSETUP_TICK_INTERRUPT() must be defined in FreeRTOSConfig.h to call the function that sets up the tick interrupt.\r
-#endif\r
-\r
-#ifndef configCLEAR_TICK_INTERRUPT\r
- #error configCLEAR_TICK_INTERRUPT must be defined in FreeRTOSConfig.h to clear which ever interrupt was used to generate the tick interrupt.\r
-#endif\r
-\r
-/* A critical section is exited when the critical section nesting count reaches\r
-this value. */\r
-#define portNO_CRITICAL_NESTING ( ( uint32_t ) 0 )\r
-\r
-/* Tasks are not created with a floating point context, but can be given a\r
-floating point context after they have been created. A variable is stored as\r
-part of the tasks context that holds portNO_FLOATING_POINT_CONTEXT if the task\r
-does not have an FPU context, or any other value if the task does have an FPU\r
-context. */\r
-#define portNO_FLOATING_POINT_CONTEXT ( ( StackType_t ) 0 )\r
-\r
-/* Constants required to setup the initial task context. */\r
-#define portINITIAL_SPSR ( ( StackType_t ) 0x1f ) /* System mode, ARM mode, IRQ enabled FIQ enabled. */\r
-#define portTHUMB_MODE_BIT ( ( StackType_t ) 0x20 )\r
-#define portTHUMB_MODE_ADDRESS ( 0x01UL )\r
-\r
-/* Masks all bits in the APSR other than the mode bits. */\r
-#define portAPSR_MODE_BITS_MASK ( 0x1F )\r
-\r
-/* The value of the mode bits in the APSR when the CPU is executing in user\r
-mode. */\r
-#define portAPSR_USER_MODE ( 0x10 )\r
-\r
-/* Let the user override the pre-loading of the initial LR with the address of\r
-prvTaskExitError() in case it messes up unwinding of the stack in the\r
-debugger. */\r
-#ifdef configTASK_RETURN_ADDRESS\r
- #define portTASK_RETURN_ADDRESS configTASK_RETURN_ADDRESS\r
-#else\r
- #define portTASK_RETURN_ADDRESS prvTaskExitError\r
-#endif\r
-\r
-/*-----------------------------------------------------------*/\r
-\r
-/*\r
- * Starts the first task executing. This function is necessarily written in\r
- * assembly code so is implemented in portASM.s.\r
- */\r
-extern void vPortRestoreTaskContext( void );\r
-\r
-/*\r
- * Used to catch tasks that attempt to return from their implementing function.\r
- */\r
-static void prvTaskExitError( void );\r
-\r
-/*-----------------------------------------------------------*/\r
-\r
-/* A variable is used to keep track of the critical section nesting. This\r
-variable has to be stored as part of the task context and must be initialised to\r
-a non zero value to ensure interrupts don't inadvertently become unmasked before\r
-the scheduler starts. As it is stored as part of the task context it will\r
-automatically be set to 0 when the first task is started. */\r
-volatile uint32_t ulCriticalNesting = 9999UL;\r
-\r
-/* Saved as part of the task context. If ulPortTaskHasFPUContext is non-zero then\r
-a floating point context must be saved and restored for the task. */\r
-volatile uint32_t ulPortTaskHasFPUContext = pdFALSE;\r
-\r
-/* Set to 1 to pend a context switch from an ISR. */\r
-volatile uint32_t ulPortYieldRequired = pdFALSE;\r
-\r
-/* Counts the interrupt nesting depth. A context switch is only performed if\r
-if the nesting depth is 0. */\r
-volatile uint32_t ulPortInterruptNesting = 0UL;\r
-\r
-/* Used in the asm file to clear an interrupt. */\r
-__attribute__(( used )) const uint32_t ulICCEOIR = configEOI_ADDRESS;\r
-\r
-/*-----------------------------------------------------------*/\r
-\r
-/*\r
- * See header file for description.\r
- */\r
-StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, TaskFunction_t pxCode, void *pvParameters )\r
-{\r
- /* Setup the initial stack of the task. The stack is set exactly as\r
- expected by the portRESTORE_CONTEXT() macro.\r
-\r
- The fist real value on the stack is the status register, which is set for\r
- system mode, with interrupts enabled. A few NULLs are added first to ensure\r
- GDB does not try decoding a non-existent return address. */\r
- *pxTopOfStack = ( StackType_t ) NULL;\r
- pxTopOfStack--;\r
- *pxTopOfStack = ( StackType_t ) NULL;\r
- pxTopOfStack--;\r
- *pxTopOfStack = ( StackType_t ) NULL;\r
- pxTopOfStack--;\r
- *pxTopOfStack = ( StackType_t ) portINITIAL_SPSR;\r
-\r
- if( ( ( uint32_t ) pxCode & portTHUMB_MODE_ADDRESS ) != 0x00UL )\r
- {\r
- /* The task will start in THUMB mode. */\r
- *pxTopOfStack |= portTHUMB_MODE_BIT;\r
- }\r
-\r
- pxTopOfStack--;\r
-\r
- /* Next the return address, which in this case is the start of the task. */\r
- *pxTopOfStack = ( StackType_t ) pxCode;\r
- pxTopOfStack--;\r
-\r
- /* Next all the registers other than the stack pointer. */\r
- *pxTopOfStack = ( StackType_t ) portTASK_RETURN_ADDRESS; /* R14 */\r
- pxTopOfStack--;\r
- *pxTopOfStack = ( StackType_t ) 0x12121212; /* R12 */\r
- pxTopOfStack--;\r
- *pxTopOfStack = ( StackType_t ) 0x11111111; /* R11 */\r
- pxTopOfStack--;\r
- *pxTopOfStack = ( StackType_t ) 0x10101010; /* R10 */\r
- pxTopOfStack--;\r
- *pxTopOfStack = ( StackType_t ) 0x09090909; /* R9 */\r
- pxTopOfStack--;\r
- *pxTopOfStack = ( StackType_t ) 0x08080808; /* R8 */\r
- pxTopOfStack--;\r
- *pxTopOfStack = ( StackType_t ) 0x07070707; /* R7 */\r
- pxTopOfStack--;\r
- *pxTopOfStack = ( StackType_t ) 0x06060606; /* R6 */\r
- pxTopOfStack--;\r
- *pxTopOfStack = ( StackType_t ) 0x05050505; /* R5 */\r
- pxTopOfStack--;\r
- *pxTopOfStack = ( StackType_t ) 0x04040404; /* R4 */\r
- pxTopOfStack--;\r
- *pxTopOfStack = ( StackType_t ) 0x03030303; /* R3 */\r
- pxTopOfStack--;\r
- *pxTopOfStack = ( StackType_t ) 0x02020202; /* R2 */\r
- pxTopOfStack--;\r
- *pxTopOfStack = ( StackType_t ) 0x01010101; /* R1 */\r
- pxTopOfStack--;\r
- *pxTopOfStack = ( StackType_t ) pvParameters; /* R0 */\r
- pxTopOfStack--;\r
-\r
- /* The task will start with a critical nesting count of 0 as interrupts are\r
- enabled. */\r
- *pxTopOfStack = portNO_CRITICAL_NESTING;\r
- pxTopOfStack--;\r
-\r
- /* The task will start without a floating point context. A task that uses\r
- the floating point hardware must call vPortTaskUsesFPU() before executing\r
- any floating point instructions. */\r
- *pxTopOfStack = portNO_FLOATING_POINT_CONTEXT;\r
-\r
- return pxTopOfStack;\r
-}\r
-/*-----------------------------------------------------------*/\r
-\r
-static void prvTaskExitError( void )\r
-{\r
- /* A function that implements a task must not exit or attempt to return to\r
- its caller as there is nothing to return to. If a task wants to exit it\r
- should instead call vTaskDelete( NULL ).\r
-\r
- Artificially force an assert() to be triggered if configASSERT() is\r
- defined, then stop here so application writers can catch the error. */\r
- configASSERT( ulPortInterruptNesting == ~0UL );\r
- portDISABLE_INTERRUPTS();\r
- for( ;; );\r
-}\r
-/*-----------------------------------------------------------*/\r
-\r
-BaseType_t xPortStartScheduler( void )\r
-{\r
-uint32_t ulAPSR;\r
-\r
- /* Only continue if the CPU is not in User mode. The CPU must be in a\r
- Privileged mode for the scheduler to start. */\r
- __asm volatile ( "MRS %0, APSR" : "=r" ( ulAPSR ) );\r
- ulAPSR &= portAPSR_MODE_BITS_MASK;\r
- configASSERT( ulAPSR != portAPSR_USER_MODE );\r
-\r
- if( ulAPSR != portAPSR_USER_MODE )\r
- {\r
- /* Start the timer that generates the tick ISR. */\r
- portDISABLE_INTERRUPTS();\r
- configSETUP_TICK_INTERRUPT();\r
-\r
- /* Start the first task executing. */\r
- vPortRestoreTaskContext();\r
- }\r
-\r
- /* Will only get here if vTaskStartScheduler() was called with the CPU in\r
- a non-privileged mode or the binary point register was not set to its lowest\r
- possible value. prvTaskExitError() is referenced to prevent a compiler\r
- warning about it being defined but not referenced in the case that the user\r
- defines their own exit address. */\r
- ( void ) prvTaskExitError;\r
- return 0;\r
-}\r
-/*-----------------------------------------------------------*/\r
-\r
-void vPortEndScheduler( void )\r
-{\r
- /* Not implemented in ports where there is nothing to return to.\r
- Artificially force an assert. */\r
- configASSERT( ulCriticalNesting == 1000UL );\r
-}\r
-/*-----------------------------------------------------------*/\r
-\r
-void vPortEnterCritical( void )\r
-{\r
- portDISABLE_INTERRUPTS();\r
-\r
- /* Now interrupts are disabled ulCriticalNesting can be accessed\r
- directly. Increment ulCriticalNesting to keep a count of how many times\r
- portENTER_CRITICAL() has been called. */\r
- ulCriticalNesting++;\r
-\r
- /* This is not the interrupt safe version of the enter critical function so\r
- assert() if it is being called from an interrupt context. Only API\r
- functions that end in "FromISR" can be used in an interrupt. Only assert if\r
- the critical nesting count is 1 to protect against recursive calls if the\r
- assert function also uses a critical section. */\r
- if( ulCriticalNesting == 1 )\r
- {\r
- configASSERT( ulPortInterruptNesting == 0 );\r
- }\r
-}\r
-/*-----------------------------------------------------------*/\r
-\r
-void vPortExitCritical( void )\r
-{\r
- if( ulCriticalNesting > portNO_CRITICAL_NESTING )\r
- {\r
- /* Decrement the nesting count as the critical section is being\r
- exited. */\r
- ulCriticalNesting--;\r
-\r
- /* If the nesting level has reached zero then all interrupt\r
- priorities must be re-enabled. */\r
- if( ulCriticalNesting == portNO_CRITICAL_NESTING )\r
- {\r
- /* Critical nesting has reached zero so all interrupt priorities\r
- should be unmasked. */\r
- portENABLE_INTERRUPTS();\r
- }\r
- }\r
-}\r
-/*-----------------------------------------------------------*/\r
-\r
-void FreeRTOS_Tick_Handler( void )\r
-{\r
-uint32_t ulInterruptStatus;\r
-\r
- ulInterruptStatus = portSET_INTERRUPT_MASK_FROM_ISR();\r
-\r
- /* Increment the RTOS tick. */\r
- if( xTaskIncrementTick() != pdFALSE )\r
- {\r
- ulPortYieldRequired = pdTRUE;\r
- }\r
-\r
- portCLEAR_INTERRUPT_MASK_FROM_ISR( ulInterruptStatus );\r
-\r
- configCLEAR_TICK_INTERRUPT();\r
-}\r
-/*-----------------------------------------------------------*/\r
-\r
-void vPortTaskUsesFPU( void )\r
-{\r
-#if configFPU == 1\r
-uint32_t ulInitialFPSCR = 0;\r
-\r
- /* A task is registering the fact that it needs an FPU context. Set the\r
- FPU flag (which is saved as part of the task context). */\r
- ulPortTaskHasFPUContext = pdTRUE;\r
-\r
- /* Initialise the floating point status register. */\r
- __asm volatile ( "FMXR FPSCR, %0" :: "r" (ulInitialFPSCR) );\r
-#else\r
- /* If FreeRTOS was built without FPU support but a task is using the FPU, we have a problem */\r
- configASSERT( 0 );\r
-#endif\r
-}\r
-/*-----------------------------------------------------------*/\r
-\r
-\r
+++ /dev/null
-/*\r
- * FreeRTOS Kernel V10.2.0\r
- * Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.\r
- *\r
- * Permission is hereby granted, free of charge, to any person obtaining a copy of\r
- * this software and associated documentation files (the "Software"), to deal in\r
- * the Software without restriction, including without limitation the rights to\r
- * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of\r
- * the Software, and to permit persons to whom the Software is furnished to do so,\r
- * subject to the following conditions:\r
- *\r
- * The above copyright notice and this permission notice shall be included in all\r
- * copies or substantial portions of the Software.\r
- *\r
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS\r
- * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR\r
- * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER\r
- * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN\r
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\r
- *\r
- * http://www.FreeRTOS.org\r
- * http://aws.amazon.com/freertos\r
- *\r
- * 1 tab == 4 spaces!\r
- */\r
-\r
- .text\r
- .arm\r
-\r
- .set SYS_MODE, 0x1f\r
- .set SVC_MODE, 0x13\r
- .set IRQ_MODE, 0x12\r
-\r
- /* Variables and functions. */\r
- .extern ulMaxAPIPriorityMask\r
- .extern _freertos_vector_table\r
- .extern pxCurrentTCB\r
- .extern vTaskSwitchContext\r
- .extern vApplicationIRQHandler\r
- .extern ulPortInterruptNesting\r
- .extern ulPortTaskHasFPUContext\r
- .extern ulICCEOIR\r
- .extern ulPortYieldRequired\r
-\r
- .global FreeRTOS_IRQ_Handler\r
- .global FreeRTOS_SVC_Handler\r
- .global vPortRestoreTaskContext\r
-\r
-\r
-.macro portSAVE_CONTEXT\r
-\r
- /* Save the LR and SPSR onto the system mode stack before switching to\r
- system mode to save the remaining system mode registers. */\r
- SRSDB sp!, #SYS_MODE\r
- CPS #SYS_MODE\r
- PUSH {R0-R12, R14}\r
-\r
- /* Push the critical nesting count. */\r
- LDR R2, ulCriticalNestingConst\r
- LDR R1, [R2]\r
- PUSH {R1}\r
-\r
- /* Does the task have a floating point context that needs saving? If\r
- ulPortTaskHasFPUContext is 0 then no. */\r
- LDR R2, ulPortTaskHasFPUContextConst\r
- LDR R3, [R2]\r
- CMP R3, #0\r
-\r
-#if configFPU == 1\r
- /* Save the floating point context, if any. */\r
- FMRXNE R1, FPSCR\r
- VPUSHNE {D0-D15}\r
-#if configFPU_D32 == 1\r
- VPUSHNE {D16-D31}\r
-#endif /* configFPU_D32 */\r
- PUSHNE {R1}\r
-#endif\r
-\r
- /* Save ulPortTaskHasFPUContext itself. */\r
- PUSH {R3}\r
-\r
- /* Save the stack pointer in the TCB. */\r
- LDR R0, pxCurrentTCBConst\r
- LDR R1, [R0]\r
- STR SP, [R1]\r
-\r
- .endm\r
-\r
-; /**********************************************************************/\r
-\r
-.macro portRESTORE_CONTEXT\r
-\r
- /* Set the SP to point to the stack of the task being restored. */\r
- LDR R0, pxCurrentTCBConst\r
- LDR R1, [R0]\r
- LDR SP, [R1]\r
-\r
- /* Is there a floating point context to restore? If the restored\r
- ulPortTaskHasFPUContext is zero then no. */\r
- LDR R0, ulPortTaskHasFPUContextConst\r
- POP {R1}\r
- STR R1, [R0]\r
- CMP R1, #0\r
-\r
-#if configFPU == 1\r
- /* Restore the floating point context, if any. */\r
- POPNE {R0}\r
-#if configFPU_D32 == 1\r
- VPOPNE {D16-D31}\r
-#endif /* configFPU_D32 */\r
- VPOPNE {D0-D15}\r
- VMSRNE FPSCR, R0\r
-#endif\r
-\r
- /* Restore the critical section nesting depth. */\r
- LDR R0, ulCriticalNestingConst\r
- POP {R1}\r
- STR R1, [R0]\r
-\r
- /* Restore all system mode registers other than the SP (which is already\r
- being used). */\r
- POP {R0-R12, R14}\r
-\r
- /* Return to the task code, loading CPSR on the way. */\r
- RFEIA sp!\r
-\r
- .endm\r
-\r
-\r
-\r
-\r
-/******************************************************************************\r
- * SVC handler is used to yield.\r
- *****************************************************************************/\r
-.align 4\r
-.type FreeRTOS_SVC_Handler, %function\r
-FreeRTOS_SVC_Handler:\r
- /* Save the context of the current task and select a new task to run. */\r
- portSAVE_CONTEXT\r
- LDR R0, vTaskSwitchContextConst\r
- BLX R0\r
- portRESTORE_CONTEXT\r
-\r
-\r
-/******************************************************************************\r
- * vPortRestoreTaskContext is used to start the scheduler.\r
- *****************************************************************************/\r
-.align 4\r
-.type vPortRestoreTaskContext, %function\r
-vPortRestoreTaskContext:\r
- /* Switch to system mode. */\r
- CPS #SYS_MODE\r
- portRESTORE_CONTEXT\r
-\r
-.align 4\r
-.type FreeRTOS_IRQ_Handler, %function\r
-FreeRTOS_IRQ_Handler:\r
- /* Return to the interrupted instruction. */\r
- SUB lr, lr, #4\r
-\r
- /* Push the return address and SPSR. */\r
- PUSH {lr}\r
- MRS lr, SPSR\r
- PUSH {lr}\r
-\r
- /* Change to supervisor mode to allow reentry. */\r
- CPS #0x13\r
-\r
- /* Push used registers. */\r
- PUSH {r0-r3, r12}\r
-\r
- /* Increment nesting count. r3 holds the address of ulPortInterruptNesting\r
- for future use. r1 holds the original ulPortInterruptNesting value for\r
- future use. */\r
- LDR r3, ulPortInterruptNestingConst\r
- LDR r1, [r3]\r
- ADD r0, r1, #1\r
- STR r0, [r3]\r
-\r
- /* Ensure bit 2 of the stack pointer is clear. r2 holds the bit 2 value for\r
- future use. */\r
- MOV r0, sp\r
- AND r2, r0, #4\r
- SUB sp, sp, r2\r
-\r
- /* Call the interrupt handler. */\r
- PUSH {r0-r3, lr}\r
- LDR r1, vApplicationIRQHandlerConst\r
- BLX r1\r
- POP {r0-r3, lr}\r
- ADD sp, sp, r2\r
-\r
- CPSID i\r
- DSB\r
- ISB\r
-\r
- /* Write to the EOI register. */\r
- LDR r0, ulICCEOIRConst\r
- LDR r2, [r0]\r
- STR r0, [r2]\r
-\r
- /* Restore the old nesting count. */\r
- STR r1, [r3]\r
-\r
- /* A context switch is never performed if the nesting count is not 0. */\r
- CMP r1, #0\r
- BNE exit_without_switch\r
-\r
- /* Did the interrupt request a context switch? r1 holds the address of\r
- ulPortYieldRequired and r0 the value of ulPortYieldRequired for future\r
- use. */\r
- LDR r1, ulPortYieldRequiredConst\r
- LDR r0, [r1]\r
- CMP r0, #0\r
- BNE switch_before_exit\r
-\r
-exit_without_switch:\r
- /* No context switch. Restore used registers, LR_irq and SPSR before\r
- returning. */\r
- POP {r0-r3, r12}\r
- CPS #IRQ_MODE\r
- POP {LR}\r
- MSR SPSR_cxsf, LR\r
- POP {LR}\r
- MOVS PC, LR\r
-\r
-switch_before_exit:\r
- /* A context swtich is to be performed. Clear the context switch pending\r
- flag. */\r
- MOV r0, #0\r
- STR r0, [r1]\r
-\r
- /* Restore used registers, LR-irq and SPSR before saving the context\r
- to the task stack. */\r
- POP {r0-r3, r12}\r
- CPS #IRQ_MODE\r
- POP {LR}\r
- MSR SPSR_cxsf, LR\r
- POP {LR}\r
- portSAVE_CONTEXT\r
-\r
- /* Call the function that selects the new task to execute.\r
- vTaskSwitchContext() if vTaskSwitchContext() uses LDRD or STRD\r
- instructions, or 8 byte aligned stack allocated data. LR does not need\r
- saving as a new LR will be loaded by portRESTORE_CONTEXT anyway. */\r
- LDR R0, vTaskSwitchContextConst\r
- BLX R0\r
-\r
- /* Restore the context of, and branch to, the task selected to execute\r
- next. */\r
- portRESTORE_CONTEXT\r
-\r
-ulICCEOIRConst: .word ulICCEOIR\r
-pxCurrentTCBConst: .word pxCurrentTCB\r
-ulCriticalNestingConst: .word ulCriticalNesting\r
-ulPortTaskHasFPUContextConst: .word ulPortTaskHasFPUContext\r
-vTaskSwitchContextConst: .word vTaskSwitchContext\r
-vApplicationIRQHandlerConst: .word vApplicationIRQHandler\r
-ulPortInterruptNestingConst: .word ulPortInterruptNesting\r
-ulPortYieldRequiredConst: .word ulPortYieldRequired\r
-\r
-.end\r
-\r
-\r
-\r
-\r
-\r
+++ /dev/null
-/*\r
- * FreeRTOS Kernel V10.2.0\r
- * Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.\r
- *\r
- * Permission is hereby granted, free of charge, to any person obtaining a copy of\r
- * this software and associated documentation files (the "Software"), to deal in\r
- * the Software without restriction, including without limitation the rights to\r
- * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of\r
- * the Software, and to permit persons to whom the Software is furnished to do so,\r
- * subject to the following conditions:\r
- *\r
- * The above copyright notice and this permission notice shall be included in all\r
- * copies or substantial portions of the Software.\r
- *\r
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS\r
- * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR\r
- * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER\r
- * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN\r
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\r
- *\r
- * http://www.FreeRTOS.org\r
- * http://aws.amazon.com/freertos\r
- *\r
- * 1 tab == 4 spaces!\r
- */\r
-\r
-#ifndef PORTMACRO_H\r
-#define PORTMACRO_H\r
-\r
-#ifdef __cplusplus\r
- extern "C" {\r
-#endif\r
-\r
-/*-----------------------------------------------------------\r
- * Port specific definitions.\r
- *\r
- * The settings in this file configure FreeRTOS correctly for the given hardware\r
- * and compiler.\r
- *\r
- * These settings should not be altered.\r
- *-----------------------------------------------------------\r
- */\r
-\r
-/* Type definitions. */\r
-#define portCHAR char\r
-#define portFLOAT float\r
-#define portDOUBLE double\r
-#define portLONG long\r
-#define portSHORT short\r
-#define portSTACK_TYPE uint32_t\r
-#define portBASE_TYPE long\r
-\r
-typedef portSTACK_TYPE StackType_t;\r
-typedef long BaseType_t;\r
-typedef unsigned long UBaseType_t;\r
-\r
-typedef uint32_t TickType_t;\r
-#define portMAX_DELAY ( TickType_t ) 0xffffffffUL\r
-\r
-/* 32-bit tick type on a 32-bit architecture, so reads of the tick count do\r
-not need to be guarded with a critical section. */\r
-#define portTICK_TYPE_IS_ATOMIC 1\r
-\r
-/*-----------------------------------------------------------*/\r
-\r
-/* Hardware specifics. */\r
-#define portSTACK_GROWTH ( -1 )\r
-#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )\r
-#define portBYTE_ALIGNMENT 8\r
-\r
-/*-----------------------------------------------------------*/\r
-\r
-/* Task utilities. */\r
-\r
-/* Called at the end of an ISR that can cause a context switch. */\r
-#define portEND_SWITCHING_ISR( xSwitchRequired )\\r
-{ \\r
-extern volatile uint32_t ulPortYieldRequired; \\r
- \\r
- if( xSwitchRequired != pdFALSE ) \\r
- { \\r
- ulPortYieldRequired = pdTRUE; \\r
- } \\r
-}\r
-\r
-#define portYIELD_FROM_ISR( x ) portEND_SWITCHING_ISR( x )\r
-#define portYIELD() __asm volatile ( "SWI 0 \n" \\r
- "ISB " );\r
-\r
-\r
-/*-----------------------------------------------------------\r
- * Critical section control\r
- *----------------------------------------------------------*/\r
-\r
-extern void vPortEnterCritical( void );\r
-extern void vPortExitCritical( void );\r
-extern uint32_t ulPortSetInterruptMask( void );\r
-extern void vPortClearInterruptMask( uint32_t ulNewMaskValue );\r
-extern void vPortInstallFreeRTOSVectorTable( void );\r
-\r
-/* The I bit within the CPSR. */\r
-#define portINTERRUPT_ENABLE_BIT ( 1 << 7 )\r
-\r
-/* In the absence of a priority mask register, these functions and macros\r
-globally enable and disable interrupts. */\r
-#define portENTER_CRITICAL() vPortEnterCritical();\r
-#define portEXIT_CRITICAL() vPortExitCritical();\r
-#define portENABLE_INTERRUPTS() __asm volatile ( "CPSIE i \n" );\r
-#define portDISABLE_INTERRUPTS() __asm volatile ( "CPSID i \n" \\r
- "DSB \n" \\r
- "ISB " );\r
-\r
-__attribute__( ( always_inline ) ) static __inline uint32_t portINLINE_SET_INTERRUPT_MASK_FROM_ISR( void )\r
-{\r
-volatile uint32_t ulCPSR;\r
-\r
- __asm volatile ( "MRS %0, CPSR" : "=r" (ulCPSR) );\r
- ulCPSR &= portINTERRUPT_ENABLE_BIT;\r
- portDISABLE_INTERRUPTS();\r
- return ulCPSR;\r
-}\r
-\r
-#define portSET_INTERRUPT_MASK_FROM_ISR() portINLINE_SET_INTERRUPT_MASK_FROM_ISR()\r
-#define portCLEAR_INTERRUPT_MASK_FROM_ISR(x) if( x == 0 ) portENABLE_INTERRUPTS()\r
-\r
-/*-----------------------------------------------------------*/\r
-\r
-/* Task function macros as described on the FreeRTOS.org WEB site. These are\r
-not required for this port but included in case common demo code that uses these\r
-macros is used. */\r
-#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )\r
-#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )\r
-\r
-/* Tickless idle/low power functionality. */\r
-#ifndef portSUPPRESS_TICKS_AND_SLEEP\r
- extern void vPortSuppressTicksAndSleep( TickType_t xExpectedIdleTime );\r
- #define portSUPPRESS_TICKS_AND_SLEEP( xExpectedIdleTime ) vPortSuppressTicksAndSleep( xExpectedIdleTime )\r
-#endif\r
-\r
-/* Prototype of the FreeRTOS tick handler. This must be installed as the\r
-handler for whichever peripheral is used to generate the RTOS tick. */\r
-void FreeRTOS_Tick_Handler( void );\r
-\r
-/* Any task that uses the floating point unit MUST call vPortTaskUsesFPU()\r
-before any floating point instructions are executed. */\r
-void vPortTaskUsesFPU( void );\r
-#define portTASK_USES_FLOATING_POINT() vPortTaskUsesFPU()\r
-\r
-#define portLOWEST_INTERRUPT_PRIORITY ( ( ( uint32_t ) configUNIQUE_INTERRUPT_PRIORITIES ) - 1UL )\r
-#define portLOWEST_USABLE_INTERRUPT_PRIORITY ( portLOWEST_INTERRUPT_PRIORITY - 1UL )\r
-\r
-/* Architecture specific optimisations. */\r
-#ifndef configUSE_PORT_OPTIMISED_TASK_SELECTION\r
- #define configUSE_PORT_OPTIMISED_TASK_SELECTION 1\r
-#endif\r
-\r
-#if configUSE_PORT_OPTIMISED_TASK_SELECTION == 1\r
-\r
- /* Store/clear the ready priorities in a bit map. */\r
- #define portRECORD_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) |= ( 1UL << ( uxPriority ) )\r
- #define portRESET_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) &= ~( 1UL << ( uxPriority ) )\r
-\r
- /*-----------------------------------------------------------*/\r
-\r
- #define portGET_HIGHEST_PRIORITY( uxTopPriority, uxReadyPriorities ) uxTopPriority = ( 31UL - ( uint32_t ) __builtin_clz( uxReadyPriorities ) )\r
-\r
-#endif /* configUSE_PORT_OPTIMISED_TASK_SELECTION */\r
-\r
-#define portNOP() __asm volatile( "NOP" )\r
-#define portINLINE __inline\r
-\r
-#ifdef __cplusplus\r
- } /* extern C */\r
-#endif\r
-\r
-\r
-#endif /* PORTMACRO_H */\r
-\r
+++ /dev/null
-/*\r
- * FreeRTOS Kernel V10.0.0\r
- * Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.\r
- *\r
- * Permission is hereby granted, free of charge, to any person obtaining a copy of\r
- * this software and associated documentation files (the "Software"), to deal in\r
- * the Software without restriction, including without limitation the rights to\r
- * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of\r
- * the Software, and to permit persons to whom the Software is furnished to do so,\r
- * subject to the following conditions:\r
- *\r
- * The above copyright notice and this permission notice shall be included in all\r
- * copies or substantial portions of the Software. If you wish to use our Amazon\r
- * FreeRTOS name, please do so in a fair use way that does not cause confusion.\r
- *\r
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS\r
- * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR\r
- * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER\r
- * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN\r
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\r
- *\r
- * http://www.FreeRTOS.org\r
- * http://aws.amazon.com/freertos\r
- *\r
- * 1 tab == 4 spaces!\r
- */\r
-\r
-/*-----------------------------------------------------------\r
- * Implementation of functions defined in portable.h for the ARM CM4F port.\r
- *----------------------------------------------------------*/\r
-\r
-/* Scheduler includes. */\r
-#include "FreeRTOS.h"\r
-#include "task.h"\r
-\r
-/*\r
- * Start first task is a separate function so it can be tested in isolation.\r
- */\r
-void vPortStartFirstTask( void ) __attribute__ (( naked ));\r
-\r
-/*\r
- * Exception handlers.\r
- */\r
-void vPortSVCHandler( void ) __attribute__ (( naked ));\r
-void xPortPendSVHandler( void ) __attribute__ (( naked ));\r
-\r
-\r
-/*-----------------------------------------------------------*/\r
-\r
-void vPortStartFirstTask( void )\r
-{\r
- __asm volatile(\r
-#if defined(__SES_ARM)\r
- " ldr r0, =_vectors \n" /* Locate the stack using _vectors table. */\r
-#else\r
- " ldr r0, =__isr_vector \n" /* Locate the stack using __isr_vector table. */\r
-#endif\r
- " ldr r0, [r0] \n"\r
- " msr msp, r0 \n" /* Set the msp back to the start of the stack. */\r
- " cpsie i \n" /* Globally enable interrupts. */\r
- " cpsie f \n"\r
- " dsb \n"\r
- " isb \n"\r
-#ifdef SOFTDEVICE_PRESENT\r
- /* Block kernel interrupts only (PendSV) before calling SVC */\r
- " mov r0, %0 \n"\r
- " msr basepri, r0 \n"\r
-#endif\r
- " svc 0 \n" /* System call to start first task. */\r
- " \n"\r
- " .align 2 \n"\r
-#ifdef SOFTDEVICE_PRESENT\r
- ::"i"(configKERNEL_INTERRUPT_PRIORITY << (8 - configPRIO_BITS))\r
-#endif\r
- );\r
-}\r
-\r
-/*-----------------------------------------------------------*/\r
-\r
-void vPortSVCHandler( void )\r
-{\r
- __asm volatile (\r
- " ldr r3, =pxCurrentTCB \n" /* Restore the context. */\r
- " ldr r1, [r3] \n" /* Use pxCurrentTCBConst to get the pxCurrentTCB address. */\r
- " ldr r0, [r1] \n" /* The first item in pxCurrentTCB is the task top of stack. */\r
- " ldmia r0!, {r4-r11, r14} \n" /* Pop the registers that are not automatically saved on exception entry and the critical nesting count. */\r
- " msr psp, r0 \n" /* Restore the task stack pointer. */\r
- " isb \n"\r
- " mov r0, #0 \n"\r
- " msr basepri, r0 \n"\r
- " bx r14 \n"\r
- " \n"\r
- " .align 2 \n"\r
- );\r
-}\r
-\r
-/*-----------------------------------------------------------*/\r
-\r
-void xPortPendSVHandler( void )\r
-{\r
- /* This is a naked function. */\r
-\r
- __asm volatile\r
- (\r
- " mrs r0, psp \n"\r
- " isb \n"\r
- " \n"\r
- " ldr r3, =pxCurrentTCB \n" /* Get the location of the current TCB. */\r
- " ldr r2, [r3] \n"\r
- " \n"\r
- " tst r14, #0x10 \n" /* Is the task using the FPU context? If so, push high vfp registers. */\r
- " it eq \n"\r
- " vstmdbeq r0!, {s16-s31} \n"\r
- " \n"\r
- " stmdb r0!, {r4-r11, r14} \n" /* Save the core registers. */\r
- " \n"\r
- " str r0, [r2] \n" /* Save the new top of stack into the first member of the TCB. */\r
- " \n"\r
- " stmdb sp!, {r3} \n"\r
- " mov r0, %0 \n"\r
- " msr basepri, r0 \n"\r
- " dsb \n"\r
- " isb \n"\r
- " bl vTaskSwitchContext \n"\r
- " mov r0, #0 \n"\r
- " msr basepri, r0 \n"\r
- " ldmia sp!, {r3} \n"\r
- " \n"\r
- " ldr r1, [r3] \n" /* The first item in pxCurrentTCB is the task top of stack. */\r
- " ldr r0, [r1] \n"\r
- " \n"\r
- " ldmia r0!, {r4-r11, r14} \n" /* Pop the core registers. */\r
- " \n"\r
- " tst r14, #0x10 \n" /* Is the task using the FPU context? If so, pop the high vfp registers too. */\r
- " it eq \n"\r
- " vldmiaeq r0!, {s16-s31} \n"\r
- " \n"\r
- " msr psp, r0 \n"\r
- " isb \n"\r
- " \n"\r
- " \n"\r
- " bx r14 \n"\r
- " \n"\r
- " .align 2 \n"\r
- ::"i"(configMAX_SYSCALL_INTERRUPT_PRIORITY << (8 - configPRIO_BITS))\r
- );\r
-}\r
+++ /dev/null
-/*\r
- * FreeRTOS Kernel V10.0.0\r
- * Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.\r
- *\r
- * Permission is hereby granted, free of charge, to any person obtaining a copy of\r
- * this software and associated documentation files (the "Software"), to deal in\r
- * the Software without restriction, including without limitation the rights to\r
- * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of\r
- * the Software, and to permit persons to whom the Software is furnished to do so,\r
- * subject to the following conditions:\r
- *\r
- * The above copyright notice and this permission notice shall be included in all\r
- * copies or substantial portions of the Software. If you wish to use our Amazon\r
- * FreeRTOS name, please do so in a fair use way that does not cause confusion.\r
- *\r
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS\r
- * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR\r
- * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER\r
- * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN\r
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\r
- *\r
- * http://www.FreeRTOS.org\r
- * http://aws.amazon.com/freertos\r
- *\r
- * 1 tab == 4 spaces!\r
- */\r
-\r
-/*-----------------------------------------------------------\r
- * Implementation of functions defined in portable.h for the ARM CM4F port.\r
- *----------------------------------------------------------*/\r
-\r
-/* Scheduler includes. */\r
-#include "FreeRTOS.h"\r
-#include "task.h"\r
-#ifdef SOFTDEVICE_PRESENT\r
-#include "nrf_soc.h"\r
-#include "app_util.h"\r
-#include "app_util_platform.h"\r
-#endif\r
-\r
-#if !(__FPU_USED) && !(__LINT__)\r
- #error This port can only be used when the project options are configured to enable hardware floating point support.\r
-#endif\r
-\r
-#if configMAX_SYSCALL_INTERRUPT_PRIORITY == 0\r
- #error configMAX_SYSCALL_INTERRUPT_PRIORITY must not be set to 0. See http://www.FreeRTOS.org/RTOS-Cortex-M3-M4.html\r
-#endif\r
-\r
-/* Constants used to detect a Cortex-M7 r0p1 core, which should use the ARM_CM7\r
-r0p1 port. */\r
-#define portCORTEX_M4_r0p1_ID ( 0x410FC241UL )\r
-\r
-/* Constants required to check the validity of an interrupt priority. */\r
-#define portFIRST_USER_INTERRUPT_NUMBER ( 16 )\r
-#define portMAX_8_BIT_VALUE ( ( uint8_t ) 0xff )\r
-#define portTOP_BIT_OF_BYTE ( ( uint8_t ) 0x80 )\r
-\r
-/* Constants required to set up the initial stack. */\r
-#define portINITIAL_XPSR (((xPSR_Type){.b.T = 1}).w)\r
-#define portINITIAL_EXEC_RETURN ( 0xfffffffd )\r
-\r
-/* Let the user override the pre-loading of the initial LR with the address of\r
-prvTaskExitError() in case is messes up unwinding of the stack in the\r
-debugger. */\r
-#ifdef configTASK_RETURN_ADDRESS\r
- #define portTASK_RETURN_ADDRESS configTASK_RETURN_ADDRESS\r
-#else\r
- #define portTASK_RETURN_ADDRESS prvTaskExitError\r
-#endif\r
-\r
-/* Each task maintains its own interrupt status in the critical nesting\r
-variable. */\r
-static UBaseType_t uxCriticalNesting = 0;\r
-\r
-/*\r
- * Setup the timer to generate the tick interrupts. The implementation in this\r
- * file is weak to allow application writers to change the timer used to\r
- * generate the tick interrupt.\r
- */\r
-extern void vPortSetupTimerInterrupt( void );\r
-\r
-/*\r
- * Exception handlers.\r
- */\r
-void xPortSysTickHandler( void );\r
-\r
-/*\r
- * Start first task is a separate function so it can be tested in isolation.\r
- */\r
-extern void vPortStartFirstTask( void );\r
-\r
-/*\r
- * Function to enable the VFP.\r
- */\r
-static void vPortEnableVFP( void );\r
-\r
-/*\r
- * Used to catch tasks that attempt to return from their implementing function.\r
- */\r
-static void prvTaskExitError( void );\r
-\r
-/*-----------------------------------------------------------*/\r
-\r
-/*\r
- * Used by the portASSERT_IF_INTERRUPT_PRIORITY_INVALID() macro to ensure\r
- * FreeRTOS API functions are not called from interrupts that have been assigned\r
- * a priority above configMAX_SYSCALL_INTERRUPT_PRIORITY.\r
- */\r
-#if ( configASSERT_DEFINED == 1 )\r
- static uint8_t ucMaxSysCallPriority = 0;\r
- static uint32_t ulMaxPRIGROUPValue = 0;\r
-#endif /* configASSERT_DEFINED */\r
-\r
-/*-----------------------------------------------------------*/\r
-\r
-/*\r
- * See header file for description.\r
- */\r
-StackType_t *pxPortInitialiseStack( StackType_t *pxTopOfStack, TaskFunction_t pxCode, void *pvParameters )\r
-{\r
- /* Simulate the stack frame as it would be created by a context switch\r
- interrupt. */\r
-\r
- /* Offset added to account for the way the MCU uses the stack on entry/exit\r
- of interrupts, and to ensure alignment. */\r
- pxTopOfStack--;\r
-\r
- *pxTopOfStack = portINITIAL_XPSR; /* xPSR */\r
- pxTopOfStack--;\r
- *pxTopOfStack = ( StackType_t ) pxCode; /* PC */\r
- pxTopOfStack--;\r
- *pxTopOfStack = ( StackType_t ) portTASK_RETURN_ADDRESS; /* LR */\r
-\r
- /* Save code space by skipping register initialisation. */\r
- pxTopOfStack -= 5; /* R12, R3, R2 and R1. */\r
- *pxTopOfStack = ( StackType_t ) pvParameters; /* R0 */\r
-\r
- /* A save method is being used that requires each task to maintain its\r
- own exec return value. */\r
- pxTopOfStack--;\r
- *pxTopOfStack = portINITIAL_EXEC_RETURN;\r
-\r
- pxTopOfStack -= 8; /* R11, R10, R9, R8, R7, R6, R5 and R4. */\r
-\r
- return pxTopOfStack;\r
-}\r
-/*-----------------------------------------------------------*/\r
-\r
-static void prvTaskExitError( void )\r
-{\r
- /* A function that implements a task must not exit or attempt to return to\r
- its caller as there is nothing to return to. If a task wants to exit it\r
- should instead call vTaskDelete( NULL ).\r
-\r
- Artificially force an assert() to be triggered if configASSERT() is\r
- defined, then stop here so application writers can catch the error. */\r
- configASSERT( uxCriticalNesting == ~0UL );\r
- portDISABLE_INTERRUPTS();\r
- for ( ;; );\r
-}\r
-\r
-\r
-/*-----------------------------------------------------------*/\r
-\r
-/*\r
- * See header file for description.\r
- */\r
-BaseType_t xPortStartScheduler( void )\r
-{\r
- /* configMAX_SYSCALL_INTERRUPT_PRIORITY must not be set to 0.\r
- See http://www.FreeRTOS.org/RTOS-Cortex-M3-M4.html */\r
- configASSERT( configMAX_SYSCALL_INTERRUPT_PRIORITY );\r
-\r
- /* This port is designed for nRF52, this is Cortex-M4 r0p1. */\r
- configASSERT( SCB->CPUID == portCORTEX_M4_r0p1_ID );\r
-\r
- #if ( configASSERT_DEFINED == 1 )\r
- {\r
- volatile uint32_t ulOriginalPriority;\r
- volatile uint8_t * const pucFirstUserPriorityRegister = &NVIC->IP[0];\r
- volatile uint8_t ucMaxPriorityValue;\r
-\r
- /* Determine the maximum priority from which ISR safe FreeRTOS API\r
- functions can be called. ISR safe functions are those that end in\r
- "FromISR". FreeRTOS maintains separate thread and ISR API functions to\r
- ensure interrupt entry is as fast and simple as possible.\r
-\r
- Save the interrupt priority value that is about to be clobbered. */\r
- ulOriginalPriority = *pucFirstUserPriorityRegister;\r
-\r
- /* Determine the number of priority bits available. First write to all\r
- possible bits. */\r
- *pucFirstUserPriorityRegister = portMAX_8_BIT_VALUE;\r
-\r
- /* Read the value back to see how many bits stuck. */\r
- ucMaxPriorityValue = *pucFirstUserPriorityRegister;\r
-\r
- /* Use the same mask on the maximum system call priority. */\r
- ucMaxSysCallPriority = configMAX_SYSCALL_INTERRUPT_PRIORITY & ucMaxPriorityValue;\r
-\r
- /* Calculate the maximum acceptable priority group value for the number\r
- of bits read back. */\r
- ulMaxPRIGROUPValue = SCB_AIRCR_PRIGROUP_Msk >> SCB_AIRCR_PRIGROUP_Pos;\r
- while ( ( ucMaxPriorityValue & portTOP_BIT_OF_BYTE ) == portTOP_BIT_OF_BYTE )\r
- {\r
- ulMaxPRIGROUPValue--;\r
- ucMaxPriorityValue <<= ( uint8_t ) 0x01;\r
- }\r
-\r
- /* Remove any bits that are more than actually existing. */\r
- ulMaxPRIGROUPValue &= SCB_AIRCR_PRIGROUP_Msk >> SCB_AIRCR_PRIGROUP_Pos;\r
-\r
- /* Restore the clobbered interrupt priority register to its original\r
- value. */\r
- *pucFirstUserPriorityRegister = ulOriginalPriority;\r
- }\r
- #endif /* conifgASSERT_DEFINED */\r
-\r
- /* Make PendSV the lowest priority interrupts. */\r
- NVIC_SetPriority(PendSV_IRQn, configKERNEL_INTERRUPT_PRIORITY);\r
-\r
- /* Start the timer that generates the tick ISR. Interrupts are disabled\r
- here already. */\r
- vPortSetupTimerInterrupt();\r
-\r
- /* Initialise the critical nesting count ready for the first task. */\r
- uxCriticalNesting = 0;\r
-\r
- /* Ensure the VFP is enabled - it should be anyway. */\r
- vPortEnableVFP();\r
-\r
- /* Lazy save always. */\r
- FPU->FPCCR |= FPU_FPCCR_ASPEN_Msk | FPU_FPCCR_LSPEN_Msk;\r
-\r
- /* Finally this port requires SEVONPEND to be active */\r
- SCB->SCR |= SCB_SCR_SEVONPEND_Msk;\r
-\r
- /* Start the first task. */\r
- vPortStartFirstTask();\r
-\r
- /* Should never get here as the tasks will now be executing! Call the task\r
- exit error function to prevent compiler warnings about a static function\r
- not being called in the case that the application writer overrides this\r
- functionality by defining configTASK_RETURN_ADDRESS. */\r
- prvTaskExitError();\r
-\r
- /* Should not get here! */\r
- return 0;\r
-}\r
-/*-----------------------------------------------------------*/\r
-\r
-void vPortEndScheduler( void )\r
-{\r
- /* Not implemented in ports where there is nothing to return to.\r
- Artificially force an assert. */\r
- configASSERT( uxCriticalNesting == 1000UL );\r
-}\r
-/*-----------------------------------------------------------*/\r
-\r
-void vPortEnterCritical( void )\r
-{\r
- portDISABLE_INTERRUPTS();\r
- uxCriticalNesting++;\r
-\r
- /* This is not the interrupt safe version of the enter critical function so\r
- assert() if it is being called from an interrupt context. Only API\r
- functions that end in "FromISR" can be used in an interrupt. Only assert if\r
- the critical nesting count is 1 to protect against recursive calls if the\r
- assert function also uses a critical section. */\r
- if ( uxCriticalNesting == 1 )\r
- {\r
- configASSERT( ( SCB->ICSR & SCB_ICSR_VECTACTIVE_Msk ) == 0 );\r
- }\r
-}\r
-/*-----------------------------------------------------------*/\r
-\r
-void vPortExitCritical( void )\r
-{\r
- configASSERT( uxCriticalNesting );\r
- uxCriticalNesting--;\r
- if ( uxCriticalNesting == 0 )\r
- {\r
- portENABLE_INTERRUPTS();\r
- }\r
-}\r
-\r
-/*-----------------------------------------------------------*/\r
-\r
-/* This is a naked function. */\r
-static void vPortEnableVFP( void )\r
-{\r
- SCB->CPACR |= 0xf << 20;\r
-}\r
-/*-----------------------------------------------------------*/\r
-\r
-#if ( configASSERT_DEFINED == 1 )\r
-\r
- void vPortValidateInterruptPriority( void )\r
- {\r
- uint32_t ulCurrentInterrupt;\r
- uint8_t ucCurrentPriority;\r
- IPSR_Type ipsr;\r
-\r
- /* Obtain the number of the currently executing interrupt. */\r
- ipsr.w = __get_IPSR();\r
- ulCurrentInterrupt = ipsr.b.ISR;\r
-\r
- /* Is the interrupt number a user defined interrupt? */\r
- if ( ulCurrentInterrupt >= portFIRST_USER_INTERRUPT_NUMBER )\r
- {\r
- /* Look up the interrupt's priority. */\r
- ucCurrentPriority = NVIC->IP[ ulCurrentInterrupt - portFIRST_USER_INTERRUPT_NUMBER ];\r
-\r
- /* The following assertion will fail if a service routine (ISR) for\r
- an interrupt that has been assigned a priority above\r
- configMAX_SYSCALL_INTERRUPT_PRIORITY calls an ISR safe FreeRTOS API\r
- function. ISR safe FreeRTOS API functions must *only* be called\r
- from interrupts that have been assigned a priority at or below\r
- configMAX_SYSCALL_INTERRUPT_PRIORITY.\r
-\r
- Numerically low interrupt priority numbers represent logically high\r
- interrupt priorities, therefore the priority of the interrupt must\r
- be set to a value equal to or numerically *higher* than\r
- configMAX_SYSCALL_INTERRUPT_PRIORITY.\r
-\r
- Interrupts that use the FreeRTOS API must not be left at their\r
- default priority of zero as that is the highest possible priority,\r
- which is guaranteed to be above configMAX_SYSCALL_INTERRUPT_PRIORITY,\r
- and therefore also guaranteed to be invalid.\r
-\r
- FreeRTOS maintains separate thread and ISR API functions to ensure\r
- interrupt entry is as fast and simple as possible.\r
-\r
- The following links provide detailed information:\r
- http://www.freertos.org/RTOS-Cortex-M3-M4.html\r
- http://www.freertos.org/FAQHelp.html */\r
- configASSERT( ucCurrentPriority >= ucMaxSysCallPriority );\r
- }\r
-\r
- /* Priority grouping: The interrupt controller (NVIC) allows the bits\r
- that define each interrupt's priority to be split between bits that\r
- define the interrupt's pre-emption priority bits and bits that define\r
- the interrupt's sub-priority. For simplicity all bits must be defined\r
- to be pre-emption priority bits. The following assertion will fail if\r
- this is not the case (if some bits represent a sub-priority).\r
-\r
- If the application only uses CMSIS libraries for interrupt\r
- configuration then the correct setting can be achieved on all Cortex-M\r
- devices by calling NVIC_SetPriorityGrouping( 0 ); before starting the\r
- scheduler. Note however that some vendor specific peripheral libraries\r
- assume a non-zero priority group setting, in which cases using a value\r
- of zero will result in unpredicable behaviour. */\r
- configASSERT( NVIC_GetPriorityGrouping() <= ulMaxPRIGROUPValue );\r
- }\r
-\r
-#endif /* configASSERT_DEFINED */\r
+++ /dev/null
-/*\r
- * FreeRTOS Kernel V10.0.0\r
- * Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.\r
- *\r
- * Permission is hereby granted, free of charge, to any person obtaining a copy of\r
- * this software and associated documentation files (the "Software"), to deal in\r
- * the Software without restriction, including without limitation the rights to\r
- * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of\r
- * the Software, and to permit persons to whom the Software is furnished to do so,\r
- * subject to the following conditions:\r
- *\r
- * The above copyright notice and this permission notice shall be included in all\r
- * copies or substantial portions of the Software. If you wish to use our Amazon\r
- * FreeRTOS name, please do so in a fair use way that does not cause confusion.\r
- *\r
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS\r
- * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR\r
- * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER\r
- * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN\r
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\r
- *\r
- * http://www.FreeRTOS.org\r
- * http://aws.amazon.com/freertos\r
- *\r
- * 1 tab == 4 spaces!\r
- */\r
-\r
-/* Scheduler includes. */\r
-#include "FreeRTOS.h"\r
-#include "task.h"\r
-#include "app_util.h"\r
-\r
-#ifdef SOFTDEVICE_PRESENT\r
-#include "nrf_soc.h"\r
-#include "nrf_sdh.h"\r
-#include "app_error.h"\r
-#include "app_util_platform.h"\r
-#endif\r
-\r
-/*-----------------------------------------------------------\r
- * Implementation of functions defined in portable.h for the ARM CM4F port.\r
- * CMSIS compatible layer to menage SysTick ticking source.\r
- *----------------------------------------------------------*/\r
-\r
-#if configTICK_SOURCE == FREERTOS_USE_SYSTICK\r
-\r
-\r
-#ifndef configSYSTICK_CLOCK_HZ\r
- #define configSYSTICK_CLOCK_HZ configCPU_CLOCK_HZ\r
- /* Ensure the SysTick is clocked at the same frequency as the core. */\r
- #define portNVIC_SYSTICK_CLK_BIT ( SysTick_CTRL_CLKSOURCE_Msk )\r
-#else\r
- /* The way the SysTick is clocked is not modified in case it is not the same\r
- as the core. */\r
- #define portNVIC_SYSTICK_CLK_BIT ( 0 )\r
-#endif\r
-\r
-\r
-#if configUSE_TICKLESS_IDLE == 1\r
- #error SysTick port for RF52 does not support tickless idle. Use RTC mode instead.\r
-#endif /* configUSE_TICKLESS_IDLE */\r
-\r
-/*-----------------------------------------------------------*/\r
-\r
-void xPortSysTickHandler( void )\r
-{\r
- /* The SysTick runs at the lowest interrupt priority, so when this interrupt\r
- executes all interrupts must be unmasked. There is therefore no need to\r
- save and then restore the interrupt mask value as its value is already\r
- known. */\r
- ( void ) portSET_INTERRUPT_MASK_FROM_ISR();\r
- {\r
- /* Increment the RTOS tick. */\r
- if ( xTaskIncrementTick() != pdFALSE )\r
- {\r
- /* A context switch is required. Context switching is performed in\r
- the PendSV interrupt. Pend the PendSV interrupt. */\r
- SCB->ICSR = SCB_ICSR_PENDSVSET_Msk;\r
- __SEV();\r
- }\r
- }\r
- portCLEAR_INTERRUPT_MASK_FROM_ISR( 0 );\r
-}\r
-\r
-/*-----------------------------------------------------------*/\r
-\r
-/*\r
- * Setup the systick timer to generate the tick interrupts at the required\r
- * frequency.\r
- */\r
-void vPortSetupTimerInterrupt( void )\r
-{\r
- /* Set interrupt priority */\r
- NVIC_SetPriority(SysTick_IRQn, configKERNEL_INTERRUPT_PRIORITY);\r
- /* Configure SysTick to interrupt at the requested rate. */\r
- SysTick->LOAD = ROUNDED_DIV(configSYSTICK_CLOCK_HZ, configTICK_RATE_HZ) - 1UL;\r
- SysTick->CTRL = ( portNVIC_SYSTICK_CLK_BIT | SysTick_CTRL_TICKINT_Msk | SysTick_CTRL_ENABLE_Msk );\r
-}\r
-\r
-/*-----------------------------------------------------------*/\r
-\r
-#elif configTICK_SOURCE == FREERTOS_USE_RTC\r
-\r
-#if configUSE_16_BIT_TICKS == 1\r
-#error This port does not support 16 bit ticks.\r
-#endif\r
-\r
-#include "nrf_rtc.h"\r
-#include "nrf_drv_clock.h"\r
-\r
-/*-----------------------------------------------------------*/\r
-\r
-void xPortSysTickHandler( void )\r
-{\r
-#if configUSE_TICKLESS_IDLE == 1\r
- nrf_rtc_event_clear(portNRF_RTC_REG, NRF_RTC_EVENT_COMPARE_0);\r
-#endif\r
-\r
- BaseType_t switch_req = pdFALSE;\r
- uint32_t isrstate = portSET_INTERRUPT_MASK_FROM_ISR();\r
-\r
- uint32_t systick_counter = nrf_rtc_counter_get(portNRF_RTC_REG);\r
- nrf_rtc_event_clear(portNRF_RTC_REG, NRF_RTC_EVENT_TICK);\r
-\r
- if (configUSE_DISABLE_TICK_AUTO_CORRECTION_DEBUG == 0)\r
- {\r
- /* check FreeRTOSConfig.h file for more details on configUSE_DISABLE_TICK_AUTO_CORRECTION_DEBUG */\r
- TickType_t diff;\r
- diff = (systick_counter - xTaskGetTickCount()) & portNRF_RTC_MAXTICKS;\r
-\r
- /* At most 1 step if scheduler is suspended - the xTaskIncrementTick\r
- * would return the tick state from the moment when suspend function was called. */\r
- if ((diff > 1) && (xTaskGetSchedulerState() != taskSCHEDULER_RUNNING))\r
- {\r
- diff = 1;\r
- }\r
- while ((diff--) > 0)\r
- {\r
- switch_req |= xTaskIncrementTick();\r
- }\r
- }\r
- else\r
- {\r
- switch_req = xTaskIncrementTick();\r
- }\r
-\r
- /* Increment the RTOS tick as usual which checks if there is a need for rescheduling */\r
- if ( switch_req != pdFALSE )\r
- {\r
- /* A context switch is required. Context switching is performed in\r
- the PendSV interrupt. Pend the PendSV interrupt. */\r
- SCB->ICSR = SCB_ICSR_PENDSVSET_Msk;\r
- __SEV();\r
- }\r
-\r
- portCLEAR_INTERRUPT_MASK_FROM_ISR( isrstate );\r
-}\r
-\r
-/*\r
- * Setup the RTC time to generate the tick interrupts at the required\r
- * frequency.\r
- */\r
-void vPortSetupTimerInterrupt( void )\r
-{\r
- /* Request LF clock */\r
- nrf_drv_clock_lfclk_request(NULL);\r
-\r
- /* Configure SysTick to interrupt at the requested rate. */\r
- nrf_rtc_prescaler_set(portNRF_RTC_REG, portNRF_RTC_PRESCALER);\r
- nrf_rtc_int_enable (portNRF_RTC_REG, RTC_INTENSET_TICK_Msk);\r
- nrf_rtc_task_trigger (portNRF_RTC_REG, NRF_RTC_TASK_CLEAR);\r
- nrf_rtc_task_trigger (portNRF_RTC_REG, NRF_RTC_TASK_START);\r
- nrf_rtc_event_enable(portNRF_RTC_REG, RTC_EVTEN_OVRFLW_Msk);\r
-\r
- NVIC_SetPriority(portNRF_RTC_IRQn, configKERNEL_INTERRUPT_PRIORITY);\r
- NVIC_EnableIRQ(portNRF_RTC_IRQn);\r
-}\r
-\r
-#if configUSE_TICKLESS_IDLE == 1\r
-\r
-void vPortSuppressTicksAndSleep( TickType_t xExpectedIdleTime )\r
-{\r
- /*\r
- * Implementation note:\r
- *\r
- * To help debugging the option configUSE_TICKLESS_IDLE_SIMPLE_DEBUG was presented.\r
- * This option would make sure that even if program execution was stopped inside\r
- * this function no more than expected number of ticks would be skipped.\r
- *\r
- * Normally RTC works all the time even if firmware execution was stopped\r
- * and that may lead to skipping too much of ticks.\r
- */\r
- TickType_t enterTime;\r
-\r
- /* Make sure the SysTick reload value does not overflow the counter. */\r
- if ( xExpectedIdleTime > portNRF_RTC_MAXTICKS - configEXPECTED_IDLE_TIME_BEFORE_SLEEP )\r
- {\r
- xExpectedIdleTime = portNRF_RTC_MAXTICKS - configEXPECTED_IDLE_TIME_BEFORE_SLEEP;\r
- }\r
- /* Block all the interrupts globally */\r
-#ifdef SOFTDEVICE_PRESENT\r
- do{\r
- uint8_t dummy = 0;\r
- uint32_t err_code = sd_nvic_critical_region_enter(&dummy);\r
- APP_ERROR_CHECK(err_code);\r
- }while (0);\r
-#else\r
- __disable_irq();\r
-#endif\r
-\r
- enterTime = nrf_rtc_counter_get(portNRF_RTC_REG);\r
-\r
- if ( eTaskConfirmSleepModeStatus() != eAbortSleep )\r
- {\r
- TickType_t xModifiableIdleTime;\r
- TickType_t wakeupTime = (enterTime + xExpectedIdleTime) & portNRF_RTC_MAXTICKS;\r
-\r
- /* Stop tick events */\r
- nrf_rtc_int_disable(portNRF_RTC_REG, NRF_RTC_INT_TICK_MASK);\r
-\r
- /* Configure CTC interrupt */\r
- nrf_rtc_cc_set(portNRF_RTC_REG, 0, wakeupTime);\r
- nrf_rtc_event_clear(portNRF_RTC_REG, NRF_RTC_EVENT_COMPARE_0);\r
- nrf_rtc_int_enable(portNRF_RTC_REG, NRF_RTC_INT_COMPARE0_MASK);\r
-\r
- __DSB();\r
-\r
- /* Sleep until something happens. configPRE_SLEEP_PROCESSING() can\r
- * set its parameter to 0 to indicate that its implementation contains\r
- * its own wait for interrupt or wait for event instruction, and so wfi\r
- * should not be executed again. However, the original expected idle\r
- * time variable must remain unmodified, so a copy is taken. */\r
- xModifiableIdleTime = xExpectedIdleTime;\r
- configPRE_SLEEP_PROCESSING( xModifiableIdleTime );\r
- if ( xModifiableIdleTime > 0 )\r
- {\r
-#if 0 // With FreeRTOS sd_app_evt_wait increases power consumption with FreeRTOS compared to _WFE (NRFFOSDK-11174)\r
-#ifdef SOFTDEVICE_PRESENT\r
- if (nrf_sdh_is_enabled())\r
- {\r
- uint32_t err_code = sd_app_evt_wait();\r
- APP_ERROR_CHECK(err_code);\r
- }\r
- else\r
-#endif\r
-#endif // (NRFFOSDK-11174)\r
- {\r
- /* No SD - we would just block interrupts globally.\r
- * BASEPRI cannot be used for that because it would prevent WFE from wake up.\r
- */\r
- do{\r
- __WFE();\r
- } while (0 == (NVIC->ISPR[0] | NVIC->ISPR[1]));\r
- }\r
- }\r
- configPOST_SLEEP_PROCESSING( xExpectedIdleTime );\r
-\r
- nrf_rtc_int_disable(portNRF_RTC_REG, NRF_RTC_INT_COMPARE0_MASK);\r
- nrf_rtc_event_clear(portNRF_RTC_REG, NRF_RTC_EVENT_COMPARE_0);\r
-\r
- /* Correct the system ticks */\r
- {\r
- TickType_t diff;\r
- TickType_t exitTime;\r
-\r
- nrf_rtc_event_clear(portNRF_RTC_REG, NRF_RTC_EVENT_TICK);\r
- nrf_rtc_int_enable (portNRF_RTC_REG, NRF_RTC_INT_TICK_MASK);\r
-\r
- exitTime = nrf_rtc_counter_get(portNRF_RTC_REG);\r
- diff = (exitTime - enterTime) & portNRF_RTC_MAXTICKS;\r
-\r
- /* It is important that we clear pending here so that our corrections are latest and in sync with tick_interrupt handler */\r
- NVIC_ClearPendingIRQ(portNRF_RTC_IRQn);\r
-\r
- if ((configUSE_TICKLESS_IDLE_SIMPLE_DEBUG) && (diff > xExpectedIdleTime))\r
- {\r
- diff = xExpectedIdleTime;\r
- }\r
-\r
- if (diff > 0)\r
- {\r
- vTaskStepTick(diff);\r
- }\r
- }\r
- }\r
-#ifdef SOFTDEVICE_PRESENT\r
- uint32_t err_code = sd_nvic_critical_region_exit(0);\r
- APP_ERROR_CHECK(err_code);\r
-#else\r
- __enable_irq();\r
-#endif\r
-}\r
-\r
-#endif // configUSE_TICKLESS_IDLE\r
-\r
-#else // configTICK_SOURCE\r
- #error Unsupported configTICK_SOURCE value\r
-#endif // configTICK_SOURCE == FREERTOS_USE_SYSTICK\r
+++ /dev/null
-/*\r
- * FreeRTOS Kernel V10.0.0\r
- * Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.\r
- *\r
- * Permission is hereby granted, free of charge, to any person obtaining a copy of\r
- * this software and associated documentation files (the "Software"), to deal in\r
- * the Software without restriction, including without limitation the rights to\r
- * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of\r
- * the Software, and to permit persons to whom the Software is furnished to do so,\r
- * subject to the following conditions:\r
- *\r
- * The above copyright notice and this permission notice shall be included in all\r
- * copies or substantial portions of the Software. If you wish to use our Amazon\r
- * FreeRTOS name, please do so in a fair use way that does not cause confusion.\r
- *\r
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS\r
- * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR\r
- * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER\r
- * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN\r
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\r
- *\r
- * http://www.FreeRTOS.org\r
- * http://aws.amazon.com/freertos\r
- *\r
- * 1 tab == 4 spaces!\r
- */\r
-\r
-\r
-#ifndef PORTMACRO_H\r
-#define PORTMACRO_H\r
-\r
-#include "portmacro_cmsis.h"\r
-\r
-#endif /* PORTMACRO_H */\r
-\r
+++ /dev/null
-/*\r
- * FreeRTOS Kernel V10.0.0\r
- * Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.\r
- *\r
- * Permission is hereby granted, free of charge, to any person obtaining a copy of\r
- * this software and associated documentation files (the "Software"), to deal in\r
- * the Software without restriction, including without limitation the rights to\r
- * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of\r
- * the Software, and to permit persons to whom the Software is furnished to do so,\r
- * subject to the following conditions:\r
- *\r
- * The above copyright notice and this permission notice shall be included in all\r
- * copies or substantial portions of the Software. If you wish to use our Amazon\r
- * FreeRTOS name, please do so in a fair use way that does not cause confusion.\r
- *\r
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS\r
- * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR\r
- * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER\r
- * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN\r
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\r
- *\r
- * http://www.FreeRTOS.org\r
- * http://aws.amazon.com/freertos\r
- *\r
- * 1 tab == 4 spaces!\r
- */\r
-\r
-#ifndef PORTMACRO_CMSIS_H\r
-#define PORTMACRO_CMSIS_H\r
-#include "app_util.h"\r
-\r
-#ifdef __cplusplus\r
-extern "C" {\r
-#endif\r
-\r
-/*-----------------------------------------------------------\r
- * Port specific definitions.\r
- *\r
- * The settings in this file configure FreeRTOS correctly for the\r
- * given hardware and compiler.\r
- *\r
- * These settings should not be altered.\r
- *-----------------------------------------------------------\r
- */\r
-\r
-/* Type definitions. */\r
-#define portCHAR char\r
-#define portFLOAT float\r
-#define portDOUBLE double\r
-#define portLONG long\r
-#define portSHORT short\r
-#define portSTACK_TYPE uint32_t\r
-#define portBASE_TYPE long\r
-\r
-typedef portSTACK_TYPE StackType_t;\r
-typedef long BaseType_t;\r
-typedef unsigned long UBaseType_t;\r
-\r
-#if ( configUSE_16_BIT_TICKS == 1 )\r
- typedef uint16_t TickType_t;\r
- #define portMAX_DELAY ( TickType_t ) 0xffff\r
-#else\r
- typedef uint32_t TickType_t;\r
- #define portMAX_DELAY ( TickType_t ) 0xffffffffUL\r
-\r
- /* 32-bit tick type on a 32-bit architecture, so reads of the tick count do\r
- not need to be guarded with a critical section. */\r
- #define portTICK_TYPE_IS_ATOMIC 1\r
-#endif\r
-/*-----------------------------------------------------------*/\r
-\r
-/* Architecture specifics. */\r
-#define portSTACK_GROWTH ( -1 )\r
-#define portTICK_PERIOD_MS ( ( TickType_t ) 1000 / configTICK_RATE_HZ )\r
-#define portBYTE_ALIGNMENT 8\r
-\r
-/* RTC register */\r
-#define portNRF_RTC_REG NRF_RTC1\r
-/* IRQn used by the selected RTC */\r
-#define portNRF_RTC_IRQn RTC1_IRQn\r
-/* Constants required to manipulate the NVIC. */\r
-#define portNRF_RTC_PRESCALER ( (uint32_t) (ROUNDED_DIV(configSYSTICK_CLOCK_HZ, configTICK_RATE_HZ) - 1) )\r
-/* Maximum RTC ticks */\r
-#define portNRF_RTC_MAXTICKS ((1U<<24)-1U)\r
-/*-----------------------------------------------------------*/\r
-\r
-/* Scheduler utilities. */\r
-#define portYIELD() do \\r
-{ \\r
- /* Set a PendSV to request a context switch. */ \\r
- SCB->ICSR = SCB_ICSR_PENDSVSET_Msk; \\r
- __SEV(); \\r
- /* Barriers are normally not required but do ensure the code is completely \\r
- within the specified behaviour for the architecture. */ \\r
- __DSB(); \\r
- __ISB(); \\r
-}while (0)\r
-\r
-#define portEND_SWITCHING_ISR( xSwitchRequired ) if ( (xSwitchRequired) != pdFALSE ) portYIELD()\r
-#define portYIELD_FROM_ISR( x ) portEND_SWITCHING_ISR( x )\r
-/*-----------------------------------------------------------*/\r
-\r
-/* Critical section management. */\r
-extern void vPortEnterCritical( void );\r
-extern void vPortExitCritical( void );\r
-#define portSET_INTERRUPT_MASK_FROM_ISR() ulPortRaiseBASEPRI()\r
-#define portCLEAR_INTERRUPT_MASK_FROM_ISR(x) vPortSetBASEPRI(x)\r
-#define portDISABLE_INTERRUPTS() vPortRaiseBASEPRI()\r
-#define portENABLE_INTERRUPTS() vPortSetBASEPRI(0)\r
-#define portENTER_CRITICAL() vPortEnterCritical()\r
-#define portEXIT_CRITICAL() vPortExitCritical()\r
-\r
-/*-----------------------------------------------------------*/\r
-\r
-/* Task function macros as described on the FreeRTOS.org WEB site. These are\r
-not necessary for to use this port. They are defined so the common demo files\r
-(which build with all the ports) will build. */\r
-#define portTASK_FUNCTION_PROTO( vFunction, pvParameters ) void vFunction( void *pvParameters )\r
-#define portTASK_FUNCTION( vFunction, pvParameters ) void vFunction( void *pvParameters )\r
-/*-----------------------------------------------------------*/\r
-\r
-/* Tickless idle/low power functionality. */\r
-#ifndef portSUPPRESS_TICKS_AND_SLEEP\r
- extern void vPortSuppressTicksAndSleep( TickType_t xExpectedIdleTime );\r
- #define portSUPPRESS_TICKS_AND_SLEEP( xExpectedIdleTime ) vPortSuppressTicksAndSleep( xExpectedIdleTime )\r
-#endif\r
-/*-----------------------------------------------------------*/\r
-\r
-/* Architecture specific optimisations. */\r
-#ifndef configUSE_PORT_OPTIMISED_TASK_SELECTION\r
- #define configUSE_PORT_OPTIMISED_TASK_SELECTION 1\r
-#endif\r
-\r
-#if configUSE_PORT_OPTIMISED_TASK_SELECTION == 1\r
-\r
- /* Count leading zeros helper. */\r
- #define ucPortCountLeadingZeros( bits ) __CLZ( bits )\r
-\r
- /* Check the configuration. */\r
- #if ( configMAX_PRIORITIES > 32 )\r
- #error configUSE_PORT_OPTIMISED_TASK_SELECTION can only be set to 1 when configMAX_PRIORITIES is less than or equal to 32. It is very rare that a system requires more than 10 to 15 difference priorities as tasks that share a priority will time slice.\r
- #endif\r
-\r
- /* Store/clear the ready priorities in a bit map. */\r
- #define portRECORD_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) |= ( 1UL << ( uxPriority ) )\r
- #define portRESET_READY_PRIORITY( uxPriority, uxReadyPriorities ) ( uxReadyPriorities ) &= ~( 1UL << ( uxPriority ) )\r
-\r
- /*-----------------------------------------------------------*/\r
-\r
- #define portGET_HIGHEST_PRIORITY( uxTopPriority, uxReadyPriorities ) uxTopPriority = ( 31 - ucPortCountLeadingZeros( ( uxReadyPriorities ) ) )\r
-\r
-#endif /* configUSE_PORT_OPTIMISED_TASK_SELECTION */\r
-\r
-/*-----------------------------------------------------------*/\r
-\r
-#ifdef configASSERT\r
- void vPortValidateInterruptPriority( void );\r
- #define portASSERT_IF_INTERRUPT_PRIORITY_INVALID() vPortValidateInterruptPriority()\r
-#endif\r
-\r
-/*-----------------------------------------------------------*/\r
-\r
-#define vPortSetBASEPRI( ulNewMaskValue ) __set_BASEPRI(ulNewMaskValue)\r
-\r
-/*-----------------------------------------------------------*/\r
-\r
-#define vPortRaiseBASEPRI( ) vPortSetBASEPRI(configMAX_SYSCALL_INTERRUPT_PRIORITY << (8 - configPRIO_BITS))\r
-\r
-/*-----------------------------------------------------------*/\r
-\r
-__STATIC_INLINE uint32_t ulPortRaiseBASEPRI( void )\r
-{\r
- uint32_t ulOriginalBASEPRI = __get_BASEPRI();\r
- vPortRaiseBASEPRI();\r
- return ulOriginalBASEPRI;\r
-}\r
-\r
-/*-----------------------------------------------------------*/\r
-\r
-\r
-#ifdef __cplusplus\r
-}\r
-#endif\r
-\r
-#endif /* PORTMACRO_CMSIS_H */\r
-\r
projects / freertos / commitdiff