diff options
Diffstat (limited to 'os/hal/src/mac.c')
| -rw-r--r-- | os/hal/src/mac.c | 272 |
1 files changed, 0 insertions, 272 deletions
diff --git a/os/hal/src/mac.c b/os/hal/src/mac.c deleted file mode 100644 index cb62db612..000000000 --- a/os/hal/src/mac.c +++ /dev/null @@ -1,272 +0,0 @@ -/*
- ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
- 2011,2012,2013 Giovanni Di Sirio.
-
- This file is part of ChibiOS/RT.
-
- ChibiOS/RT is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- ChibiOS/RT is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-/**
- * @file mac.c
- * @brief MAC Driver code.
- *
- * @addtogroup MAC
- * @{
- */
-
-#include "ch.h"
-#include "hal.h"
-
-#if HAL_USE_MAC || defined(__DOXYGEN__)
-
-/*===========================================================================*/
-/* Driver local definitions. */
-/*===========================================================================*/
-
-#if MAC_USE_ZERO_COPY && !MAC_SUPPORTS_ZERO_COPY
-#error "MAC_USE_ZERO_COPY not supported by this implementation"
-#endif
-
-/*===========================================================================*/
-/* Driver exported variables. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver local variables and types. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver local functions. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver interrupt handlers. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver exported functions. */
-/*===========================================================================*/
-
-/**
- * @brief MAC Driver initialization.
- * @note This function is implicitly invoked by @p halInit(), there is
- * no need to explicitly initialize the driver.
- *
- * @init
- */
-void macInit(void) {
-
- mac_lld_init();
-}
-
-/**
- * @brief Initialize the standard part of a @p MACDriver structure.
- *
- * @param[out] macp pointer to the @p MACDriver object
- *
- * @init
- */
-void macObjectInit(MACDriver *macp) {
-
- macp->state = MAC_STOP;
- macp->config = NULL;
- chSemInit(&macp->tdsem, 0);
- chSemInit(&macp->rdsem, 0);
-#if MAC_USE_EVENTS
- chEvtInit(&macp->rdevent);
-#endif
-}
-
-/**
- * @brief Configures and activates the MAC peripheral.
- *
- * @param[in] macp pointer to the @p MACDriver object
- * @param[in] config pointer to the @p MACConfig object
- *
- * @api
- */
-void macStart(MACDriver *macp, const MACConfig *config) {
-
- chDbgCheck((macp != NULL) && (config != NULL), "macStart");
-
- chSysLock();
- chDbgAssert(macp->state == MAC_STOP,
- "macStart(), #1", "invalid state");
- macp->config = config;
- mac_lld_start(macp);
- macp->state = MAC_ACTIVE;
- chSysUnlock();
-}
-
-/**
- * @brief Deactivates the MAC peripheral.
- *
- * @param[in] macp pointer to the @p MACDriver object
- *
- * @api
- */
-void macStop(MACDriver *macp) {
-
- chDbgCheck(macp != NULL, "macStop");
-
- chSysLock();
- chDbgAssert((macp->state == MAC_STOP) || (macp->state == MAC_ACTIVE),
- "macStop(), #1", "invalid state");
- mac_lld_stop(macp);
- macp->state = MAC_STOP;
- chSysUnlock();
-}
-
-/**
- * @brief Allocates a transmission descriptor.
- * @details One of the available transmission descriptors is locked and
- * returned. If a descriptor is not currently available then the
- * invoking thread is queued until one is freed.
- *
- * @param[in] macp pointer to the @p MACDriver object
- * @param[out] tdp pointer to a @p MACTransmitDescriptor structure
- * @param[in] time the number of ticks before the operation timeouts,
- * the following special values are allowed:
- * - @a TIME_IMMEDIATE immediate timeout.
- * - @a TIME_INFINITE no timeout.
- * .
- * @return The operation status.
- * @retval RDY_OK the descriptor was obtained.
- * @retval RDY_TIMEOUT the operation timed out, descriptor not initialized.
- *
- * @api
- */
-msg_t macWaitTransmitDescriptor(MACDriver *macp,
- MACTransmitDescriptor *tdp,
- systime_t time) {
- msg_t msg;
- systime_t now;
-
- chDbgCheck((macp != NULL) && (tdp != NULL), "macWaitTransmitDescriptor");
- chDbgAssert(macp->state == MAC_ACTIVE, "macWaitTransmitDescriptor(), #1",
- "not active");
-
- while (((msg = mac_lld_get_transmit_descriptor(macp, tdp)) != RDY_OK) &&
- (time > 0)) {
- chSysLock();
- now = chTimeNow();
- if ((msg = chSemWaitTimeoutS(&macp->tdsem, time)) == RDY_TIMEOUT) {
- chSysUnlock();
- break;
- }
- if (time != TIME_INFINITE)
- time -= (chTimeNow() - now);
- chSysUnlock();
- }
- return msg;
-}
-
-/**
- * @brief Releases a transmit descriptor and starts the transmission of the
- * enqueued data as a single frame.
- *
- * @param[in] tdp the pointer to the @p MACTransmitDescriptor structure
- *
- * @api
- */
-void macReleaseTransmitDescriptor(MACTransmitDescriptor *tdp) {
-
- chDbgCheck((tdp != NULL), "macReleaseTransmitDescriptor");
-
- mac_lld_release_transmit_descriptor(tdp);
-}
-
-/**
- * @brief Waits for a received frame.
- * @details Stops until a frame is received and buffered. If a frame is
- * not immediately available then the invoking thread is queued
- * until one is received.
- *
- * @param[in] macp pointer to the @p MACDriver object
- * @param[out] rdp pointer to a @p MACReceiveDescriptor structure
- * @param[in] time the number of ticks before the operation timeouts,
- * the following special values are allowed:
- * - @a TIME_IMMEDIATE immediate timeout.
- * - @a TIME_INFINITE no timeout.
- * .
- * @return The operation status.
- * @retval RDY_OK the descriptor was obtained.
- * @retval RDY_TIMEOUT the operation timed out, descriptor not initialized.
- *
- * @api
- */
-msg_t macWaitReceiveDescriptor(MACDriver *macp,
- MACReceiveDescriptor *rdp,
- systime_t time) {
- msg_t msg;
- systime_t now;
-
- chDbgCheck((macp != NULL) && (rdp != NULL), "macWaitReceiveDescriptor");
- chDbgAssert(macp->state == MAC_ACTIVE, "macWaitReceiveDescriptor(), #1",
- "not active");
-
- while (((msg = mac_lld_get_receive_descriptor(macp, rdp)) != RDY_OK) &&
- (time > 0)) {
- chSysLock();
- now = chTimeNow();
- if ((msg = chSemWaitTimeoutS(&macp->rdsem, time)) == RDY_TIMEOUT) {
- chSysUnlock();
- break;
- }
- if (time != TIME_INFINITE)
- time -= (chTimeNow() - now);
- chSysUnlock();
- }
- return msg;
-}
-
-/**
- * @brief Releases a receive descriptor.
- * @details The descriptor and its buffer are made available for more incoming
- * frames.
- *
- * @param[in] rdp the pointer to the @p MACReceiveDescriptor structure
- *
- * @api
- */
-void macReleaseReceiveDescriptor(MACReceiveDescriptor *rdp) {
-
- chDbgCheck((rdp != NULL), "macReleaseReceiveDescriptor");
-
- mac_lld_release_receive_descriptor(rdp);
-}
-
-/**
- * @brief Updates and returns the link status.
- *
- * @param[in] macp pointer to the @p MACDriver object
- * @return The link status.
- * @retval TRUE if the link is active.
- * @retval FALSE if the link is down.
- *
- * @api
- */
-bool_t macPollLinkStatus(MACDriver *macp) {
-
- chDbgCheck((macp != NULL), "macPollLinkStatus");
- chDbgAssert(macp->state == MAC_ACTIVE, "macPollLinkStatus(), #1",
- "not active");
-
- return mac_lld_poll_link_status(macp);
-}
-
-#endif /* HAL_USE_MAC */
-
-/** @} */
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