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

2025-08-02 03:26:40 -04:00 · 2015-07-08 08:40:23 -07:00 · 2015-07-08 08:40:23 -07:00 · e1eea8e08a
commit e1eea8e08a
parent dc6fee8370
1929 changed files with 575326 additions and 0 deletions
--- a/firmware/chibios/os/hal/include/can.h
+++ b/firmware/chibios/os/hal/include/can.h
@ -0,0 +1,165 @@
+/*
+    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/>.
+
+                                      ---
+
+    A special exception to the GPL can be applied should you wish to distribute
+    a combined work that includes ChibiOS/RT, without being obliged to provide
+    the source code for any proprietary components. See the file exception.txt
+    for full details of how and when the exception can be applied.
+*/
+
+/**
+ * @file    can.h
+ * @brief   CAN Driver macros and structures.
+ *
+ * @addtogroup CAN
+ * @{
+ */
+
+#ifndef _CAN_H_
+#define _CAN_H_
+
+#if HAL_USE_CAN || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver constants.                                                         */
+/*===========================================================================*/
+
+/**
+ * @name    CAN status flags
+ * @{
+ */
+/**
+ * @brief   Errors rate warning.
+ */
+#define CAN_LIMIT_WARNING           1
+/**
+ * @brief   Errors rate error.
+ */
+#define CAN_LIMIT_ERROR             2
+/**
+ * @brief   Bus off condition reached.
+ */
+#define CAN_BUS_OFF_ERROR           4
+/**
+ * @brief   Framing error of some kind on the CAN bus.
+ */
+#define CAN_FRAMING_ERROR           8
+/**
+ * @brief   Overflow in receive queue.
+ */
+#define CAN_OVERFLOW_ERROR          16
+/** @} */
+
+/**
+ * @brief   Special mailbox identifier.
+ */
+#define CAN_ANY_MAILBOX             0
+
+/*===========================================================================*/
+/* Driver pre-compile time settings.                                         */
+/*===========================================================================*/
+
+/**
+ * @name    CAN configuration options
+ * @{
+ */
+/**
+ * @brief   Sleep mode related APIs inclusion switch.
+ * @details This option can only be enabled if the CAN implementation supports
+ *          the sleep mode, see the macro @p CAN_SUPPORTS_SLEEP exported by
+ *          the underlying implementation.
+ */
+#if !defined(CAN_USE_SLEEP_MODE) || defined(__DOXYGEN__)
+#define CAN_USE_SLEEP_MODE          TRUE
+#endif
+/** @} */
+
+/*===========================================================================*/
+/* Derived constants and error checks.                                       */
+/*===========================================================================*/
+
+#if !CH_USE_SEMAPHORES || !CH_USE_EVENTS
+#error "CAN driver requires CH_USE_SEMAPHORES and CH_USE_EVENTS"
+#endif
+
+/*===========================================================================*/
+/* Driver data structures and types.                                         */
+/*===========================================================================*/
+
+/**
+ * @brief   Driver state machine possible states.
+ */
+typedef enum {
+  CAN_UNINIT = 0,                           /**< Not initialized.           */
+  CAN_STOP = 1,                             /**< Stopped.                   */
+  CAN_STARTING = 2,                         /**< Starting.                  */
+  CAN_READY = 3,                            /**< Ready.                     */
+  CAN_SLEEP = 4                             /**< Sleep state.               */
+} canstate_t;
+
+#include "can_lld.h"
+
+/*===========================================================================*/
+/* Driver macros.                                                            */
+/*===========================================================================*/
+
+/**
+ * @name    Macro Functions
+ * @{
+ */
+/**
+ * @brief   Converts a mailbox index to a bit mask.
+ */
+#define CAN_MAILBOX_TO_MASK(mbx) (1 << ((mbx) - 1))
+/** @} */
+
+/*===========================================================================*/
+/* External declarations.                                                    */
+/*===========================================================================*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+  void canInit(void);
+  void canObjectInit(CANDriver *canp);
+  void canStart(CANDriver *canp, const CANConfig *config);
+  void canStop(CANDriver *canp);
+  msg_t canTransmit(CANDriver *canp,
+                    canmbx_t mailbox,
+                    const CANTxFrame *ctfp,
+                    systime_t timeout);
+  msg_t canReceive(CANDriver *canp,
+                   canmbx_t mailbox,
+                   CANRxFrame *crfp,
+                   systime_t timeout);
+#if CAN_USE_SLEEP_MODE
+  void canSleep(CANDriver *canp);
+  void canWakeup(CANDriver *canp);
+#endif /* CAN_USE_SLEEP_MODE */
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HAL_USE_CAN */
+
+#endif /* _CAN_H_ */
+
+/** @} */