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make CRC work for 64-bit

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Samuel Sadok
2017-11-09 00:44:03 +01:00
parent 62f5061ed0
commit 285dece8f6
1 changed files with 1 additions and 1 deletions
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Firmware/MotorControl/crc.hpp
+1 -1
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@@ -19,7 +19,7 @@ constexpr uint16_t CRC16_DEFAULT = 0x3d65;
template<typename T, unsigned POLYNOMIAL>
static T calc_crc(T remainder, uint8_t value) {
constexpr T BIT_WIDTH = (CHAR_BIT * sizeof(T));
constexpr T TOPBIT = (1 << (BIT_WIDTH - 1));
constexpr T TOPBIT = ((T)1 << (BIT_WIDTH - 1));
// Bring the next byte into the remainder.
remainder ^= (value << (BIT_WIDTH - 8));