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| author | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2009-12-03 16:26:54 +0000 |
|---|---|---|
| committer | gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4> | 2009-12-03 16:26:54 +0000 |
| commit | 980f0b675138676b1e977ca456dc73c3b2502596 (patch) | |
| tree | bdb8b986847edcd572d080f522a68d03f7480625 /os/hal/platforms/STM32/can_lld.h | |
| parent | 20bf146ed82de1415d7a2de5dc60442c5405a850 (diff) | |
| download | ChibiOS-980f0b675138676b1e977ca456dc73c3b2502596.tar.gz ChibiOS-980f0b675138676b1e977ca456dc73c3b2502596.tar.bz2 ChibiOS-980f0b675138676b1e977ca456dc73c3b2502596.zip | |
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1373 35acf78f-673a-0410-8e92-d51de3d6d3f4
Diffstat (limited to 'os/hal/platforms/STM32/can_lld.h')
| -rw-r--r-- | os/hal/platforms/STM32/can_lld.h | 40 |
1 files changed, 34 insertions, 6 deletions
diff --git a/os/hal/platforms/STM32/can_lld.h b/os/hal/platforms/STM32/can_lld.h index 9f54e4cc6..f995ffb16 100644 --- a/os/hal/platforms/STM32/can_lld.h +++ b/os/hal/platforms/STM32/can_lld.h @@ -39,6 +39,15 @@ */
#define CAN_SUPPORTS_SLEEP TRUE
+/**
+ * @brief Manimum number of CAN filters. + */
+#if defined(STM32F10X_CL) || defined(__DOXYGEN__)
+#define CAN_MAX_FILTERS 28
+#else
+#define CAN_MAX_FILTERS 14
+#endif
+
/*===========================================================================*/
/* Driver pre-compile time settings. */
/*===========================================================================*/
@@ -83,21 +92,40 @@ typedef uint32_t canstatus_t;
/**
- * @brief CAN frame.
+ * @brief CAN transmission frame.
* @note Accessing the frame data as word16 or word32 is not portable because
- * machine data endianness, it can be still useful for a quick filling. + * machine data endianness, it can be still useful for a quick filling.
*/
typedef struct {
uint8_t cf_DLC:4; /**< @brief Data length. */
+ uint8_t cf_RTR:1; /**< @brief Frame type. */
uint8_t cf_IDE:1; /**< @brief Identifier type. */
+ uint32_t cf_ID; /**< @brief Frame identifier. */
+ union {
+ uint8_t cf_data8[8]; /**< @brief Frame data. */
+ uint16_t cf_data16[4]; /**< @brief Frame data. */
+ uint32_t cf_data32[2]; /**< @brief Frame data. */
+ };
+} CANTxFrame;
+
+/**
+ * @brief CAN received frame.
+ * @note Accessing the frame data as word16 or word32 is not portable because
+ * machine data endianness, it can be still useful for a quick filling.
+ */
+typedef struct {
+ uint16_t cf_TIME; /**< @brief Time stamp. */
+ uint8_t cf_FMI; /**< @brief Filter id. */
+ uint8_t cf_DLC:4; /**< @brief Data length. */
uint8_t cf_RTR:1; /**< @brief Frame type. */
- uint32_t cf_id; /**< @brief Frame identifier. */
+ uint8_t cf_IDE:1; /**< @brief Identifier type. */
+ uint32_t cf_ID; /**< @brief Frame identifier. */
union {
uint8_t cf_data8[8]; /**< @brief Frame data. */
uint16_t cf_data16[4]; /**< @brief Frame data. */
uint32_t cf_data32[2]; /**< @brief Frame data. */
};
-} CANFrame;
+} CANRxFrame;
/**
* @brief CAN filter.
@@ -236,9 +264,9 @@ extern "C" { void can_lld_start(CANDriver *canp);
void can_lld_stop(CANDriver *canp);
bool_t can_lld_can_transmit(CANDriver *canp);
- msg_t can_lld_transmit(CANDriver *canp, const CANFrame *cfp);
+ void can_lld_transmit(CANDriver *canp, const CANTxFrame *crfp);
bool_t can_lld_can_receive(CANDriver *canp);
- msg_t can_lld_receive(CANDriver *canp, CANFrame *cfp);
+ void can_lld_receive(CANDriver *canp, CANRxFrame *ctfp);
#if CAN_USE_SLEEP_MODE
void can_lld_sleep(CANDriver *canp);
void can_lld_wakeup(CANDriver *canp);
|