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Added support for DPT 251.600 RGBW (#167)

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* Added support for DPT 251.600 RGBW

* style fix
This commit is contained in:
mptei 2022-01-16 18:26:51 +01:00 committed by GitHub
parent f5feefb0f2
commit 71e8607f43
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 47 additions and 1 deletions
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1
src/knx/dpt.h
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@ -357,6 +357,7 @@
#define DPT_FlaggedScaling Dpt(239, 1)
#define DPT_CombinedPosition Dpt(240, 800)
#define DPT_StatusSAB Dpt(241, 800)
#define DPT_Colour_RGBW Dpt(251, 600)
class Dpt
{

45
src/knx/dptconvert.cpp
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@ -126,6 +126,9 @@ int KNX_Decode_Value(uint8_t* payload, size_t payload_length, const Dpt& datatyp
// DPT 239.* - Flagged Scaling
if (datatype.mainGroup == 239 && datatype.subGroup == 1 && datatype.index <= 1)
return busValueToFlaggedScaling(payload, payload_length, datatype, value);
// DPT 251.600 - RGBW
if (datatype.mainGroup == 251 && datatype.subGroup == 600 && datatype.index <= 1)
return busValueToRGBW(payload, payload_length, datatype, value);
}
return false;
}
@ -243,6 +246,9 @@ int KNX_Encode_Value(const KNXValue& value, uint8_t* payload, size_t payload_len
// DPT 239.* - Flagged Scaling
if (datatype.mainGroup == 239 && datatype.subGroup == 1 && datatype.index <= 1)
return valueToBusValueFlaggedScaling(value, payload, payload_length, datatype);
// DPT 251.600 - RGBW
if (datatype.mainGroup == 251 && datatype.subGroup == 600 && datatype.index <= 1)
return valueToBusValueRGBW(value, payload, payload_length, datatype);
return false;
}
@ -801,6 +807,24 @@ int busValueToRGB(const uint8_t* payload, size_t payload_length, const Dpt& data
return true;
}
int busValueToRGBW(const uint8_t* payload, size_t payload_length, const Dpt& datatype, KNXValue& value)
{
ASSERT_PAYLOAD(6);
switch (datatype.index) {
case 0: // The RGBW value
{
uint32_t rgbw = (unsigned32FromPayload(payload, 0) >> 8)
+ (unsigned8FromPayload(payload, 3) << 24);
value = rgbw;
}
return true;
case 1: // The mask bits only
value = unsigned8FromPayload(payload,5);
return true;
}
return false;
}
int busValueToFlaggedScaling(const uint8_t* payload, size_t payload_length, const Dpt& datatype, KNXValue& value)
{
ASSERT_PAYLOAD(2);
@ -1517,6 +1541,26 @@ int valueToBusValueRGB(const KNXValue& value, uint8_t* payload, size_t payload_l
return true;
}
int valueToBusValueRGBW(const KNXValue& value, uint8_t* payload, size_t payload_length, const Dpt& datatype)
{
switch(datatype.index)
{
case 0: // RGBW
{
uint32_t rgbw = (uint32_t)value;
unsigned16ToPayload(payload, payload_length, 0, rgbw >> 8, 0xffff); // RG
unsigned8ToPayload(payload, payload_length, 2, rgbw, 0xff); // B
unsigned8ToPayload(payload, payload_length, 3, rgbw >> 24, 0xff); // W
}
break;
case 1: // Mask bits
unsigned8ToPayload(payload, payload_length, 5, (uint8_t)value, 0xff);
break;
}
return true;
}
int valueToBusValueFlaggedScaling(const KNXValue& value, uint8_t* payload, size_t payload_length, const Dpt& datatype)
{
switch (datatype.index)
@ -1545,7 +1589,6 @@ int valueToBusValueActiveEnergy(const KNXValue& value, uint8_t* payload, size_t
{
case 0:
{
if ((int64_t)value < INT64_C(-2147483648) || (int64_t)value > INT64_C(2147483647))
return false;
ENSURE_PAYLOAD(6);

2
src/knx/dptconvert.h
View File

@ -78,6 +78,7 @@ int busValueToScaling(const uint8_t* payload, size_t payload_length, const Dpt&
int busValueToTariff(const uint8_t* payload, size_t payload_length, const Dpt& datatype, KNXValue& value);
int busValueToLocale(const uint8_t* payload, size_t payload_length, const Dpt& datatype, KNXValue& value);
int busValueToRGB(const uint8_t* payload, size_t payload_length, const Dpt& datatype, KNXValue& value);
int busValueToRGBW(const uint8_t* payload, size_t payload_length, const Dpt& datatype, KNXValue& value);
int busValueToFlaggedScaling(const uint8_t* payload, size_t payload_length, const Dpt& datatype, KNXValue& value);
int busValueToActiveEnergy(const uint8_t* payload, size_t payload_length, const Dpt& datatype, KNXValue& value);
@ -116,6 +117,7 @@ int valueToBusValueScaling(const KNXValue& value, uint8_t* payload, size_t paylo
int valueToBusValueTariff(const KNXValue& value, uint8_t* payload, size_t payload_length, const Dpt& datatype);
int valueToBusValueLocale(const KNXValue& value, uint8_t* payload, size_t payload_length, const Dpt& datatype);
int valueToBusValueRGB(const KNXValue& value, uint8_t* payload, size_t payload_length, const Dpt& datatype);
int valueToBusValueRGBW(const KNXValue& value, uint8_t* payload, size_t payload_length, const Dpt& datatype);
int valueToBusValueFlaggedScaling(const KNXValue& value, uint8_t* payload, size_t payload_length, const Dpt& datatype);
int valueToBusValueActiveEnergy(const KNXValue& value, uint8_t* payload, size_t payload_length, const Dpt& datatype);