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Add loopback support to STM32 CAN driver; Add apps/examples/can loopback test

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git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@4213 7fd9a85b-ad96-42d3-883c-3090e2eb8679
This commit is contained in:
patacongo
2011-12-22 15:59:50 +00:00
parent 907471d5dc
commit bfc578860c
41 changed files with 865 additions and 68 deletions
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nuttx/include/nuttx/can.h
+3 -2
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@@ -88,14 +88,15 @@
/* CAN message support */
#define CAN_MAXDATALEN 8
#define CAN_MAXDATALEN 8
#define CAN_MAXMSGID 0x07ff
#define CAN_ID(hdr) ((uint16_t)(hdr) >> 5)
#define CAN_RTR(hdr) (((hdr) & 0x0010) != 0)
#define CAN_DLC(hdr) ((hdr) & 0x0f)
#define CAN_MSGLEN(hdr) (sizeof(struct can_msg_s) - (CAN_MAXDATALEN - CAN_DLC(hdr)))
#define CAN_MSG(id, rtr, dlc) ((uint16_t)id << 5 | (uint16_t)rtr << 4 | (uint16_t)dlc)
#define CAN_HDR(id, rtr, dlc) ((uint16_t)id << 5 | (uint16_t)rtr << 4 | (uint16_t)dlc)
/* Built-in ioctl commands
*