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Update some function headers

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This commit is contained in:
Gregory Nutt 2015-08-05 16:22:10 -06:00
parent 983df071c3
commit 73a96ab078
1 changed files with 21 additions and 5 deletions
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26
arch/arm/src/samv7/sam_mcan.c
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@ -1400,7 +1400,7 @@ static void mcan_buffer_reserve(FAR struct sam_mcan_s *priv)
}
/****************************************************************************
* Name: mcan_dlc2bytes and mcan_bytes2dlc
* Name: mcan_dlc2bytes
*
* Description:
* In the CAN FD format, the coding of the DLC differs from the standard
@ -1410,12 +1410,10 @@ static void mcan_buffer_reserve(FAR struct sam_mcan_s *priv)
* in the range 12 to 64.
*
* Input Parameter:
* priv - A pointer to the private data structure for this MCAN peripheral
* dlc - the DLC to convert to a byte count, OR
* nbytes - the byte count to convert to a DLC
* dlc - the DLC value to convert to a byte count
*
* Returned Value:
* The converted value
* The number of bytes corresponding to the DLC value.
*
****************************************************************************/
@ -1457,6 +1455,24 @@ static uint8_t mcan_dlc2bytes(FAR struct sam_mcan_s *priv, uint8_t dlc)
return dlc;
}
/****************************************************************************
* Name: mcan_bytes2dlc
*
* Description:
* In the CAN FD format, the coding of the DLC differs from the standard
* CAN format. The DLC codes 0 to 8 have the same coding as in standard
* CAN. But the codes 9 to 15 all imply a data field of 8 bytes with
* standard CAN. In CAN FD mode, the values 9 to 15 are encoded to values
* in the range 12 to 64.
*
* Input Parameter:
* nbytes - the byte count to convert to a DLC value
*
* Returned Value:
* The encoded DLC value corresponding to at least that number of bytes.
*
****************************************************************************/
#if 0 /* Not used */
static uint8_t mcan_bytes2dlc(FAR struct sam_mcan_s *priv, uint8_t nbytes)
{