118 lines
2.5 KiB
C
118 lines
2.5 KiB
C
/*********************************************************************
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PicoTCP. Copyright (c) 2012-2017 Altran Intelligent Systems. Some rights reserved.
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See COPYING, LICENSE.GPLv2 and LICENSE.GPLv3 for usage.
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*********************************************************************/
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#ifndef _INCLUDE_PICO_GCC
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#define _INCLUDE_PICO_GCC
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#include <stdint.h>
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#include <stdlib.h>
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#include <string.h>
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#include "pico_constants.h"
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/* #define TIME_PRESCALE */
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/* monotonically increasing tick,
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* typically incremented every millisecond in a systick interrupt */
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extern volatile unsigned int pico_ms_tick;
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#define dbg(...)
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#ifdef PICO_SUPPORT_PTHREAD
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#define PICO_SUPPORT_MUTEX
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#endif
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#ifdef PICO_SUPPORT_RTOS
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#define PICO_SUPPORT_MUTEX
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extern void *pico_mutex_init(void);
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extern void pico_mutex_lock(void*);
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extern void pico_mutex_unlock(void*);
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extern void *pvPortMalloc( size_t xSize );
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extern void vPortFree( void *pv );
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#define pico_free(x) vPortFree(x)
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#define free(x) vPortFree(x)
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static inline void *pico_zalloc(size_t size)
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{
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void *ptr = pvPortMalloc(size);
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if(ptr)
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memset(ptr, 0u, size);
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return ptr;
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}
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/* time prescaler */
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#ifdef TIME_PRESCALE
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extern int32_t prescale_time;
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#endif
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static inline pico_time PICO_TIME_MS()
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{
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#ifdef TIME_PRESCALE
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return pico_ms_tick << prescale_time;
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#else
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return pico_ms_tick;
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#endif
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}
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static inline pico_time PICO_TIME()
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{
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#ifdef TIME_PRESCALE
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return (pico_ms_tick / 1000) << prescale_time;
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#else
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return (pico_ms_tick / 1000);
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#endif
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}
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static inline void PICO_IDLE(void)
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{
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pico_time now = PICO_TIME_MS();
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while(now == PICO_TIME_MS()) ;
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}
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#else /* NO RTOS SUPPORT */
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#ifdef MEM_MEAS
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/* These functions should be implemented elsewhere */
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extern void *memmeas_zalloc(size_t size);
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extern void memmeas_free(void *);
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#define pico_free(x) memmeas_free(x)
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#define pico_zalloc(x) memmeas_zalloc(x)
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#else
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/* Use plain C-lib malloc and free */
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#define pico_free(x) free(x)
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static inline void *pico_zalloc(size_t size)
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{
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void *ptr = malloc(size);
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if(ptr)
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memset(ptr, 0u, size);
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return ptr;
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}
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#endif
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static inline pico_time PICO_TIME_MS(void)
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{
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return (pico_time)pico_ms_tick;
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}
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static inline pico_time PICO_TIME(void)
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{
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return (pico_time)(PICO_TIME_MS() / 1000);
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}
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static inline void PICO_IDLE(void)
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{
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unsigned int now = pico_ms_tick;
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while(now == pico_ms_tick) ;
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}
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#endif /* IFNDEF RTOS */
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#endif /* PICO_GCC */
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