X-Git-Url: http://rtime.felk.cvut.cz/gitweb/lincan.git/blobdiff_plain/328a0f0a261a7349b3731dbfdfc6591188003c48..c50bf8f274d978d24d9fbc10641fb6f6fc11868d:/lincan/include/can.h

diff --git a/lincan/include/can.h b/lincan/include/can.h
index 0473dcc..8ff57ea 100644
--- a/lincan/include/can.h
+++ b/lincan/include/can.h
@@ -1,3 +1,12 @@
+/* can.h
+ * Header file for the Linux CAN-bus driver.
+ * Written by Arnaud Westenberg email:arnaud@wanadoo.nl
+ * Rewritten for new CAN queues by Pavel Pisa - OCERA team member
+ * email:pisa@cmp.felk.cvut.cz
+ * This software is released under the GPL-License.
+ * Version lincan-0.3  17 Jun 2004
+ */
+
 #ifndef _CAN_DRVAPI_T_H
 #define _CAN_DRVAPI_T_H
 
@@ -9,6 +18,7 @@
 
 #else /* __KERNEL__ */
 
+#include <inttypes.h>
 #include <sys/time.h>
 #include <sys/types.h>
 #include <sys/ioctl.h>
@@ -27,6 +37,23 @@ extern "C" {
 typedef unsigned long bittiming_t;
 typedef unsigned short channel_t;
 
+/**
+ * struct can_baudparams_t - datatype for calling CONF_BAUDPARAMS IOCTL 
+ * @flags: reserved for additional flags for chip configuration, should be written -1 or 0
+ * @baudrate: baud rate in Hz
+ * @sjw: synchronization jump width (0-3) prescaled clock cycles
+ * @sampl_pt: sample point in % (0-100) sets (TSEG1+1)/(TSEG1+TSEG2+2) ratio
+ * 
+ * The structure is used to configure new set of parameters into CAN controller chip.
+ * If default value of some field should be preserved, fill field by value -1.
+ */
+struct can_baudparams_t {
+	long flags;
+	long baudrate;
+	long sjw;
+	long sample_pt;
+};
+
 /* CAN ioctl functions */
 #define CAN_DRV_QUERY _IO(CAN_IOC_MAGIC, 0)
 #define CAN_DRV_QRY_BRANCH    0	/* returns driver branch value - "LINC" for LinCAN driver */
@@ -50,6 +77,8 @@ typedef unsigned short channel_t;
 #define STAT _IO(CAN_IOC_MAGIC, 9)
 #define CANQUE_FILTER _IOW(CAN_IOC_MAGIC, 10, struct canfilt_t)
 #define CANQUE_FLUSH  _IO(CAN_IOC_MAGIC, 11)
+#define CONF_BAUDPARAMS  _IOW(CAN_IOC_MAGIC, 11, struct can_baudparams_t)
+#define CANRTR_READ  _IOWR(CAN_IOC_MAGIC, 12, struct canmsg_t)
 
 #ifdef __cplusplus
 } /* extern "C"*/