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Questions tagged [uint16]

127 questions
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C++ Getting WMI Array Data from the Local Computer

I am facing problem in retrieving array data from a WMI class using c++. In the following link, http://msdn.microsoft.com/en-us/library/aa390423(v=vs.85).aspx, step 7 of the example shows us how to retrieve a string value of the wmi query ran.…
Brumble
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C - convert a struct in a u16_array, where each uint16_t represents only a byte

I have a pretty nasty case on a texas instruments C2000 microcontroller, that is only available to represent uin16_t and not uint8_t. Now I have a struct like the following, where each uint16_t represents only a byte of data, that will be written to…
HansPeterLoft
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Visual Studio C++ has different comparison results for UINT16 and UINT32

I caught myself checking if the difference between two unsigned numbers was >= 0. I ran a test running Visual Studio 2022 Preview with the following code. In both cases the answer was true. That seems right to me as how could an unsigned number be…
MaryK
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Safe way to get number of bytes for a data type in C++

I'm using C++11 and higher and I was asking myself if it is safe to get the number of bytes required for a datatype like std::uint16_t to send over length agnostic protocols. More precise is it safe to call sizeof(std::uint16_t) and can I assume…
Gustavo
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C int memory storage. Least signinficant vs most significant bits?

I'd expect the following combination of two uint8_t (0x00 and 0x01) into one uint16_t to give me a value of 0x0001, when I combine them consecutively in memory. Instead I obtain 0x0100 = 256, which I'm surprised of. #include #include…
L. Arnaud
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fast way to convert array of 16 bit unsigned interger to bits

I have a large dataset containing a 3d array of 16 bit unsigned integer. I want to convert each of the integer into bits and then only retain whose 8:12 bits are "0000" So far I am using a very slow method of loop in three stages: import numpy as…
Vinod Kumar
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Casting int16_t to uint_8t*

I have a library driven result stored as an int16_t value (and it is a negative, which I can use the absolute value of) and another library function that requires this value a few steps later in the form uin8_t*. How can this be done without using…
Orbiting Eden
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c# ushort uint16 which type to choose

I can't understand why we can have ushort and uint16… 2 bytes for both. But a problem if I want to use Convert. If I remember well it's ushort.parse(stringtype) while convert.touint16 needs an object. I searched but can't find why… In the past I…
user8888955
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calling uint16 on a rune is big or little endian?

I've got the following Go program: package main import ( "fmt" ) func main() { r := rune(249) x := uint16(r) fmt.Println(x) } If I have a rune r and call uint16(r) on it, is it going to be big or little endian encoded? Does Go…
Seneca
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How to convert UInt16 to UInt8 in Swift 3?

I want to convert UInt16 to UInt8 array, but am getting the following error message: 'init' is unavailable: use 'withMemoryRebound(to:capacity:_)' to temporarily view memory as another layout-compatible type. The code: let statusByte: UInt8…
JTing
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Matlab int16() C equivalent?

In Matlab there is a function called int16, that rounds e.g. double values to the next integer. Is there any simple equivalent in C to that? Especially for the rounding of negative numbers, e.g. -1.65 to -2 and 1.33 to -1.
Alex
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Why does not uint16_t show the desired output?

I have an array- uint8_t arrayTest[] = { 0, 0xC1, 0, 0, 0, 0x0a, 0, 0, 0, 0x50 }; So the following printf with uint32_t shows the correct output "a": printf("%x ",ntohl(*((uint32_t…
rrsuj
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Why is documented Bluetooth Unit8 value being read as a Int16?

What have I tried? I read through GATT_Specification_Supplement_v10.pdf and previous publicly available versions of the document mentioned. I looked at stack overflow questions and 3rd party bluetooth libraries. For 3.125 Indoor Bike Data…
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Modbus home assistant and python struct (little endian, big endian, negative values from uint16)

I have a question regarding to modbus settings. I have read the documentation carefully, tried to search some topics, but unfortunately I did not find an answer to my problem. I have a heat pump, which is able to communicate through modbus. In the…
tomdelahaba
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Kotlin Android Studio how to merge two uint8 to one uint16

I am reading data from bluetooth gatt characteristic. First data is one byte and I am successfully reading it by code: val strValue = characteristic.value[0].toUByte() characteristic.value[1] contains most significant byte of…
NIXIE_123
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