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c3908660b1
As discussed, we don't really need the error checking specifically, as we are just going to throw exceptions anyway, so this will make sure you can check for 0 and be sure you catch any handle errors.
39 lines
1.4 KiB
C++
39 lines
1.4 KiB
C++
/*----------------------------------------------------------------------------*/
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/* Copyright (c) FIRST 2016. All Rights Reserved. */
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/* Open Source Software - may be modified and shared by FRC teams. The code */
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/* must be accompanied by the FIRST BSD license file in the root directory of */
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/* the project. */
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/*----------------------------------------------------------------------------*/
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#include "HandlesInternal.h"
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#include "IndexedHandleResource.h"
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#include "LimitedHandleResource.h"
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#include "UnlimitedHandleResource.h"
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namespace hal {
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HalPortHandle createPortHandle(uint8_t pin, uint8_t module) {
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// set last 8 bits, then shift to first 8 bits
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HalPortHandle handle = static_cast<HalPortHandle>(HalHandleEnum::Port);
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handle = handle << 24;
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// shift module and add to 3rd set of 8 bits
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int32_t temp = module;
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temp = (temp << 8) & 0xff00;
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handle += temp;
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// add pin to last 8 bits
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handle += pin;
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return handle;
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}
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HalHandle createHandle(int16_t index, HalHandleEnum handleType) {
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if (index < 0) return HAL_INVALID_HANDLE;
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uint8_t hType = static_cast<uint8_t>(handleType);
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if (hType == 0 || hType > 127) return HAL_INVALID_HANDLE;
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// set last 8 bits, then shift to first 8 bits
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HalHandle handle = hType;
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handle = handle << 24;
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// add index to set last 16 bits
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handle += index;
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return handle;
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}
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}
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