ChibiOS 2.6.8, until I can figure out where to get it from git.

2026-09-13 18:19:33 +00:00 · 2015-07-08 08:40:23 -07:00
parent dc6fee8370
commit e1eea8e08a
1929 changed files with 575326 additions and 0 deletions
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+/*
+    ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+*/
+
+/**
+ * @file    templates/mac_lld.h
+ * @brief   MAC Driver subsystem low level driver header template.
+ *
+ * @addtogroup MAC
+ * @{
+ */
+
+#ifndef _MAC_LLD_H_
+#define _MAC_LLD_H_
+
+#if HAL_USE_MAC || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver constants.                                                         */
+/*===========================================================================*/
+
+/**
+ * @brief   This implementation supports the zero-copy mode API.
+ */
+#define MAC_SUPPORTS_ZERO_COPY              TRUE
+
+/*===========================================================================*/
+/* Driver pre-compile time settings.                                         */
+/*===========================================================================*/
+
+/**
+ * @name    Configuration options
+ * @{
+ */
+/**
+ * @brief   MAC driver enable switch.
+ * @details If set to @p TRUE the support for MAC1 is included.
+ */
+#if !defined(PLATFORM_MAC_USE_MAC1) || defined(__DOXYGEN__)
+#define PLATFORM_MAC_USE_MAC1               FALSE
+#endif
+/** @} */
+
+/*===========================================================================*/
+/* Derived constants and error checks.                                       */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver data structures and types.                                         */
+/*===========================================================================*/
+
+/**
+ * @brief   Driver configuration structure.
+ */
+typedef struct {
+  /**
+   * @brief MAC address.
+   */
+  uint8_t               *mac_address;
+  /* End of the mandatory fields.*/
+} MACConfig;
+
+/**
+ * @brief   Structure representing a MAC driver.
+ */
+struct MACDriver {
+  /**
+   * @brief Driver state.
+   */
+  macstate_t            state;
+  /**
+   * @brief Current configuration data.
+   */
+  const MACConfig       *config;
+  /**
+   * @brief Transmit semaphore.
+   */
+  Semaphore             tdsem;
+  /**
+   * @brief Receive semaphore.
+   */
+  Semaphore             rdsem;
+#if MAC_USE_EVENTS || defined(__DOXYGEN__)
+  /**
+   * @brief Receive event.
+   */
+  EventSource           rdevent;
+#endif
+  /* End of the mandatory fields.*/
+};
+
+/**
+ * @brief   Structure representing a transmit descriptor.
+ */
+typedef struct {
+  /**
+   * @brief Current write offset.
+   */
+  size_t                    offset;
+  /**
+   * @brief Available space size.
+   */
+  size_t                    size;
+  /* End of the mandatory fields.*/
+} MACTransmitDescriptor;
+
+/**
+ * @brief   Structure representing a receive descriptor.
+ */
+typedef struct {
+  /**
+   * @brief Current read offset.
+   */
+  size_t                offset;
+  /**
+   * @brief Available data size.
+   */
+  size_t                size;
+  /* End of the mandatory fields.*/
+} MACReceiveDescriptor;
+
+/*===========================================================================*/
+/* Driver macros.                                                            */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* External declarations.                                                    */
+/*===========================================================================*/
+
+#if PLATFORM_MAC_USE_MAC1 && !defined(__DOXYGEN__)
+extern MACDriver ETHD1;
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+  void mac_lld_init(void);
+  void mac_lld_start(MACDriver *macp);
+  void mac_lld_stop(MACDriver *macp);
+  msg_t mac_lld_get_transmit_descriptor(MACDriver *macp,
+                                        MACTransmitDescriptor *tdp);
+  void mac_lld_release_transmit_descriptor(MACTransmitDescriptor *tdp);
+  msg_t mac_lld_get_receive_descriptor(MACDriver *macp,
+                                       MACReceiveDescriptor *rdp);
+  void mac_lld_release_receive_descriptor(MACReceiveDescriptor *rdp);
+  bool_t mac_lld_poll_link_status(MACDriver *macp);
+  size_t mac_lld_write_transmit_descriptor(MACTransmitDescriptor *tdp,
+                                           uint8_t *buf,
+                                           size_t size);
+  size_t mac_lld_read_receive_descriptor(MACReceiveDescriptor *rdp,
+                                         uint8_t *buf,
+                                         size_t size);
+#if MAC_USE_ZERO_COPY
+  uint8_t *mac_lld_get_next_transmit_buffer(MACTransmitDescriptor *tdp,
+                                            size_t size,
+                                            size_t *sizep);
+  const uint8_t *mac_lld_get_next_receive_buffer(MACReceiveDescriptor *rdp,
+                                                 size_t *sizep);
+#endif /* MAC_USE_ZERO_COPY */
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HAL_USE_MAC */
+
+#endif /* _MAC_LLD_H_ */
+
+/** @} */