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Convert to all reinterpret_cast for can_getSignal

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This commit is contained in:
Paul Guenette
2021-02-17 20:35:36 -05:00
parent b178357680
commit cb2f3b25c8
2 changed files with 3 additions and 8 deletions
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Firmware/Private
+1 -1
Submodule Firmware/Private updated: b0df5003c6...0e704b802e
Firmware/interfaces/can_helpers.hpp
+2 -7
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@@ -54,14 +54,11 @@ struct can_Cyclic_t {
uint32_t lastTime_ms;
};
#include <iterator>
template <typename T>
constexpr T can_getSignal(const can_Message_t& msg, const uint8_t startBit, const uint8_t length, const bool isIntel) {
uint64_t tempVal = 0;
uint64_t mask = length < 64 ? (1ULL << length) - 1ULL : -1ULL;
std::memcpy(&tempVal, msg.buf, sizeof(tempVal));
uint64_t tempVal = *(reinterpret_cast<const uint64_t*>(msg.buf));
if (isIntel) {
tempVal = (tempVal >> startBit) & mask;
} else {
@@ -69,9 +66,7 @@ constexpr T can_getSignal(const can_Message_t& msg, const uint8_t startBit, cons
tempVal = (tempVal >> (64 - startBit - length)) & mask;
}
T retVal;
std::memcpy(&retVal, &tempVal, sizeof(T));
return retVal;
return *(reinterpret_cast<T*>(&tempVal));
}
template <typename T>