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hidpp-generic: implement various BE/LE functions

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Not used here, but better having them written once.

Signed-off-by: Benjamin Tissoires <benjamin.tissoires@gmail.com>
This commit is contained in:
Benjamin Tissoires
2015-11-06 17:48:37 +01:00
parent c478b7a7d2
commit f9db1f4bb6
1 changed files with 35 additions and 0 deletions
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35
src/hidpp-generic.h
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@@ -150,12 +150,39 @@ hidpp_get_unaligned_be_u16(uint8_t *buf)
return (buf[0] << 8) | buf[1];
}
static inline uint16_t
hidpp_be_u16_to_cpu(uint16_t data)
{
return hidpp_get_unaligned_be_u16((uint8_t *)&data);
}
static inline void
hidpp_set_unaligned_be_u16(uint8_t *buf, uint16_t value)
{
buf[0] = value >> 8;
buf[1] = value & 0xFF;
}
static inline uint16_t
hidpp_cpu_to_be_u16(uint16_t data)
{
uint16_t result;
hidpp_set_unaligned_be_u16((uint8_t *)&result, data);
return result;
}
static inline uint16_t
hidpp_get_unaligned_le_u16(uint8_t *buf)
{
return (buf[1] << 8) | buf[0];
}
static inline uint16_t
hidpp_le_u16_to_cpu(uint16_t data)
{
return hidpp_get_unaligned_le_u16((uint8_t *)&data);
}
static inline void
hidpp_set_unaligned_le_u16(uint8_t *buf, uint16_t value)
{
@@ -163,4 +190,12 @@ hidpp_set_unaligned_le_u16(uint8_t *buf, uint16_t value)
buf[1] = value >> 8;
}
static inline uint16_t
hidpp_cpu_to_le_u16(uint16_t data)
{
uint16_t result;
hidpp_set_unaligned_le_u16((uint8_t *)&result, data);
return result;
}
#endif /* HIDPP_GENERIC_H */