/** * @file wm_wl_mbox.c * * @brief mailbox (mbox) APIs * * @author dave * * Copyright (c) 2015 Winner Microelectronics Co., Ltd. */ #include "wm_mem.h" #include "wm_wl_mbox.h" #include "wm_wl_task.h" const void * const tls_null_pointer = (void *)0; /** * @brief create a malibox * * @param[out] *mbox pointer to the mailbox * @param[in] size size of mailbox * * @retval TLS_OS_SUCCESS success * @retval TLS_OS_ERROR failed * * @note None */ s8 tls_mbox_new(tls_mbox_t *mbox, int size) { s8 err; tls_os_status_t status; if (size == 0) size = 10; status = tls_os_queue_create(mbox, size); if (status == TLS_OS_SUCCESS) { err = TLS_OS_SUCCESS; } else err = TLS_OS_ERROR; return err; } #ifndef tls_mbox_valid /** * @brief check if an mbox is valid/allocated * * @param[in] mbox pointer to the mailbox * * @retval 0 invalid * @retval 1 valid * * @note None */ int tls_mbox_valid(tls_mbox_t mbox) { if (mbox == NULL) return 0; else return 1; } #endif /** * @brief sends a message to a mailbox * * @param[in] mbox pointer to the mailbox * @param[in] *msg pointer to the message to be post * * @return None * * @note None */ void tls_mbox_post(tls_mbox_t mbox, void *msg) { u8 err; u8 i=0; if(msg == NULL ) msg = (void*)tls_null_pointer; /* try 10 times */ while (i < 10) { err = tls_os_queue_send(mbox, msg, 0); if(err == TLS_OS_SUCCESS) break; i++; tls_os_time_delay(5); } } /** * @brief posts the "msg" to the mailbox. * * @param[in] mbox pointer to the mailbox * @param[in] *msg pointer to the message to be post * * @retval TLS_OS_SUCCESS success * @retval TLS_OS_ERROR failed * * @note this function have to block until the "msg" is really posted. */ s8 tls_mbox_trypost(tls_mbox_t mbox, void *msg) { u8 err; if( msg == NULL ) { msg = (void*)tls_null_pointer; } err = tls_os_queue_send(mbox, msg, 0); if(err == TLS_OS_SUCCESS) return TLS_OS_SUCCESS; return TLS_OS_ERROR; } /** * @brief waits for a message within the specified time * * @param[in] mbox pointer to the mailbox * @param[out] **msg pointer to the message to be received * @param[in] timeout the specified time * * @retval SYS_ARCH_TIMEOUT time out * @retval other time of elapsed * * @note None */ u32 tls_arch_mbox_fetch(tls_mbox_t mbox, void **msg, u32 timeout) { u8 err; u32 ucos_timeout = 0; u32 in_timeout = timeout * HZ / 1000; u32 tick_start, tick_stop, tick_elapsed; if(timeout && in_timeout == 0) in_timeout = 1; tick_start = tls_os_get_time(); // *msg = OSQPend(mbox, in_timeout, &err); err = tls_os_queue_receive(mbox,msg,0,in_timeout); // if (err == OS_ERR_TIMEOUT ) { if (err != TLS_OS_SUCCESS ) { ucos_timeout = SYS_ARCH_TIMEOUT; return ucos_timeout; } tick_stop = tls_os_get_time(); // Take care of wrap-around. if( tick_stop >= tick_start ) tick_elapsed = tick_stop - tick_start; else tick_elapsed = 0xFFFFFFFF - tick_start + tick_stop ; return tick_elapsed * 1000/HZ; }