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make READ_BT_X and NET_READ_X macros more robust

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This commit is contained in:
Matthias Ringwald 2015-11-07 09:41:45 +01:00
parent a01f0dc581
commit 549299f493
1 changed files with 5 additions and 5 deletions
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10
include/btstack/utils.h
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@ -96,13 +96,13 @@ typedef uint8_t device_name_t[DEVICE_NAME_LEN+1];
// helper for BT little endian format
#define READ_BT_16( buffer, pos) ( ((uint16_t) buffer[pos]) | (((uint16_t)buffer[pos+1]) << 8))
#define READ_BT_24( buffer, pos) ( ((uint32_t) buffer[pos]) | (((uint32_t)buffer[pos+1]) << 8) | (((uint32_t)buffer[pos+2]) << 16))
#define READ_BT_32( buffer, pos) ( ((uint32_t) buffer[pos]) | (((uint32_t)buffer[pos+1]) << 8) | (((uint32_t)buffer[pos+2]) << 16) | (((uint32_t) buffer[pos+3])) << 24)
#define READ_BT_16( buffer, pos) ( ((uint16_t) buffer[pos]) | (((uint16_t)buffer[(pos)+1]) << 8))
#define READ_BT_24( buffer, pos) ( ((uint32_t) buffer[pos]) | (((uint32_t)buffer[(pos)+1]) << 8) | (((uint32_t)buffer[(pos)+2]) << 16))
#define READ_BT_32( buffer, pos) ( ((uint32_t) buffer[pos]) | (((uint32_t)buffer[(pos)+1]) << 8) | (((uint32_t)buffer[(pos)+2]) << 16) | (((uint32_t) buffer[(pos)+3])) << 24)
// helper for SDP big endian format
#define READ_NET_16( buffer, pos) ( ((uint16_t) buffer[pos+1]) | (((uint16_t)buffer[pos ]) << 8))
#define READ_NET_32( buffer, pos) ( ((uint32_t) buffer[pos+3]) | (((uint32_t)buffer[pos+2]) << 8) | (((uint32_t)buffer[pos+1]) << 16) | (((uint32_t) buffer[pos])) << 24)
#define READ_NET_16( buffer, pos) ( ((uint16_t) buffer[(pos)+1]) | (((uint16_t)buffer[ pos ]) << 8))
#define READ_NET_32( buffer, pos) ( ((uint32_t) buffer[(pos)+3]) | (((uint32_t)buffer[(pos)+2]) << 8) | (((uint32_t)buffer[(pos)+1]) << 16) | (((uint32_t) buffer[pos])) << 24)
// HCI CMD OGF/OCF
#define READ_CMD_OGF(buffer) (buffer[1] >> 2)