Differences
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sdk:castint2float [2017/06/14 12:48] juraschek created |
sdk:castint2float [2018/02/02 15:45] (current) preisig |
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| - | ====== Cast ====== | + | ====== Cast two integer into one float ====== |
| Sometime there are 32Bit Float Values stored in 2 16bit Modbus Register. | Sometime there are 32Bit Float Values stored in 2 16bit Modbus Register. | ||
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| We are assuming that in Register 0x0002 are the MSB and in 0x0001 are the LSB. | We are assuming that in Register 0x0002 are the MSB and in 0x0001 are the LSB. | ||
| - | Therfore we need to shit the Register 2 16bit to the right and perform an Bitwise-"or" on the ofter Register 3. | + | Therfore we need to shift the Register 2 16bit to the right and perform an Bitwise-"or" on the ofter Register 3. |
| Afterthat we need to copy this integer value into a memory resoure and retrieve it as a float again. | Afterthat we need to copy this integer value into a memory resoure and retrieve it as a float again. | ||
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| mputint(mem,0,tempint); | mputint(mem,0,tempint); | ||
| tempfloat=mgetfloat(mem,0); | tempfloat=mgetfloat(mem,0); | ||
| + | free(mem); | ||
| </code> | </code> | ||