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| author | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2009-11-29 08:50:13 +0000 |
|---|---|---|
| committer | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2009-11-29 08:50:13 +0000 |
| commit | d4c616e6eeb0587ca450c75b1086efa77ac690e5 (patch) | |
| tree | 956be5c79924929b0c79c6aa792ad5b8bff31ede /os/hal/platforms/STM32/can_lld.c | |
| parent | 87417b01023059aa833f376d9bd7aea5174a5f1b (diff) | |
| download | ChibiOS-d4c616e6eeb0587ca450c75b1086efa77ac690e5.tar.gz ChibiOS-d4c616e6eeb0587ca450c75b1086efa77ac690e5.tar.bz2 ChibiOS-d4c616e6eeb0587ca450c75b1086efa77ac690e5.zip | |
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1351 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/hal/platforms/STM32/can_lld.c')
| -rw-r--r-- | os/hal/platforms/STM32/can_lld.c | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/os/hal/platforms/STM32/can_lld.c b/os/hal/platforms/STM32/can_lld.c new file mode 100644 index 000000000..40450a071 --- /dev/null +++ b/os/hal/platforms/STM32/can_lld.c @@ -0,0 +1,159 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006-2007 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 STM32/can_lld.c
+ * @brief STM32 CAN subsystem low level driver source
+ * @addtogroup STM32_CAN
+ * @{
+ */
+
+#include "ch.h"
+#include "hal.h"
+
+#if CH_HAL_USE_CAN
+
+/*===========================================================================*/
+/* Low Level Driver exported variables. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Low Level Driver local variables. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Low Level Driver local functions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Low Level Driver interrupt handlers. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Low Level Driver exported functions. */
+/*===========================================================================*/
+
+/**
+ * @brief Low level CAN driver initialization.
+ */
+void can_lld_init(void) {
+
+}
+
+/**
+ * @brief Configures and activates the CAN peripheral.
+ *
+ * @param[in] canp pointer to the @p CANDriver object
+ */
+void can_lld_start(CANDriver *canp) {
+
+ if (canp->can_state == CAN_STOP) {
+ /* Clock activation.*/
+ }
+ /* Configuration.*/
+}
+
+/**
+ * @brief Deactivates the CAN peripheral.
+ *
+ * @param[in] canp pointer to the @p CANDriver object
+ */
+void can_lld_stop(CANDriver *canp) {
+
+}
+
+/**
+ * @brief Determines whether a frame can be transmitted.
+ * + * @param[in] canp pointer to the @p CANDriver object
+ *
+ * @return The queue space availability.
+ * @retval FALSE no space in the transmit queue.
+ * @retval TRUE transmit slot available. + */
+bool_t can_lld_can_transmit(CANDriver *canp) {
+
+ return FALSE;
+}
+
+/**
+ * @brief Inserts a frame into the transmit queue.
+ * + * @param[in] canp pointer to the @p CANDriver object
+ * @param[in] cfp pointer to the CAN frame to be transmitted
+ *
+ * @return The operation status.
+ * @retval RDY_OK frame transmitted. + */
+msg_t can_lld_transmit(CANDriver *canp, const CANFrame *cfp) {
+
+ return RDY_OK;
+}
+
+/**
+ * @brief Determines whether a frame has been received.
+ *
+ * @param[in] canp pointer to the @p CANDriver object
+ *
+ * @return The queue space availability.
+ * @retval FALSE no space in the transmit queue.
+ * @retval TRUE transmit slot available.
+ */
+bool_t can_lld_can_receive(CANDriver *canp) {
+
+ return FALSE;
+}
+
+/**
+ * @brief Receives a frame from the input queue.
+ * + * @param[in] canp pointer to the @p CANDriver object
+ * @param[out] cfp pointer to the buffer where the CAN frame is copied
+ *
+ * @return The operation status.
+ * @retval RDY_OK frame received.
+ */
+msg_t can_lld_receive(CANDriver *canp, CANFrame *cfp) {
+
+ return RDY_OK;
+}
+
+#if CAN_USE_SLEEP_MODE || defined(__DOXYGEN__)
+/**
+ * @brief Enters the sleep mode.
+ *
+ * @param[in] canp pointer to the @p CANDriver object
+ */
+void can_lld_sleep(CANDriver *canp) {
+
+}
+
+/**
+ * @brief Enforces leaving the sleep mode.
+ *
+ * @param[in] canp pointer to the @p CANDriver object
+ */
+void can_lld_wakeup(CANDriver *canp) {
+
+}
+#endif /* CAN_USE_SLEEP_MODE */
+
+#endif /* CH_HAL_USE_CAN */
+
+/** @} */
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