101 lines
2.3 KiB
C
101 lines
2.3 KiB
C
/******************************************************************************
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*
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* @brief provide generic high-level routines for ARM Cortex M0/M0+ processors.
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*
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*******************************************************************************/
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#ifndef _CPU_ARM_CM0_H
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#define _CPU_ARM_CM0_H
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/*ARM Cortex M0 implementation for interrupt priority shift*/
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#define ARM_INTERRUPT_LEVEL_BITS 2
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/***********************************************************************/
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/*!< Macro to enable all interrupts. */
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#ifndef KEIL
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#define EnableInterrupts asm(" CPSIE i");
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#else
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#define EnableInterrupts __enable_irq()
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#endif
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/*!< Macro to disable all interrupts. */
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#ifndef KEIL
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#define DisableInterrupts asm(" CPSID i");
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#else
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#define DisableInterrupts __disable_irq()
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#endif
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#define disable_irq(irq) NVIC_DisableIRQ(irq)
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#define enable_irq(irq) NVIC_EnableIRQ(irq)
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#define set_irq_priority(irq, prio) NVIC_SetPriority(irq, prio)
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/***********************************************************************/
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/*
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* Misc. Defines
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*/
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#ifdef FALSE
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#undef FALSE
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#endif
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#define FALSE (0)
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#ifdef TRUE
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#undef TRUE
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#endif
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#define TRUE (1)
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#ifdef NULL
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#undef NULL
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#endif
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#define NULL (0)
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#ifdef ON
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#undef ON
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#endif
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#define ON (1)
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#ifdef OFF
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#undef OFF
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#endif
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#define OFF (0)
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#undef ENABLE
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#define ENABLE (1)
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#undef DISABLE
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#define DISABLE (0)
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/***********************************************************************/
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/*
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* The basic data types
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*/
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typedef unsigned char uint8; /* 8 bits */
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typedef unsigned short int uint16; /* 16 bits */
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typedef unsigned long int uint32; /* 32 bits */
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typedef char int8; /* 8 bits */
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typedef short int int16; /* 16 bits */
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typedef int int32; /* 32 bits */
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typedef volatile int8 vint8; /* 8 bits */
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typedef volatile int16 vint16; /* 16 bits */
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typedef volatile int32 vint32; /* 32 bits */
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typedef volatile uint8 vuint8; /* 8 bits */
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typedef volatile uint16 vuint16; /* 16 bits */
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typedef volatile uint32 vuint32; /* 32 bits */
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// function prototype for main function
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int main(void);
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/***********************************************************************/
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// function prototypes for arm_cm0.c
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void stop (void);
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void wait (void);
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void write_vtor (int);
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/***********************************************************************/
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#endif /* _CPU_ARM_CM4_H */
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