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Fix compiler error on GCC 12 

static_assert(sizeof(ChopConfU::S) == 4) would return 5 == 4
static_assert(sizeof(ChopConfU) == 4); would return 8 == 4

using uint32_t on all types instead of uint8_t fixes the issue

No change in memory
pull/273/head
Guðni Már Gilbert 2023-04-30 19:35:00 +00:00
parent 113f71330e
commit 62713b6b62
1 changed files with 17 additions and 17 deletions
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34
src/hal/tmc2130.cpp
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@ -119,23 +119,23 @@ bool __attribute__((noinline)) TMC2130::Init(const MotorParams &params, const Mo
// this ugly union/bit structure saves 34B over the previous implementation
union ChopConfU {
struct __attribute__((packed)) S {
uint8_t toff : 4;
uint8_t hstrt : 3;
uint8_t hend : 4;
uint8_t fd : 1;
uint8_t disfdcc : 1;
uint8_t rndtf : 1;
uint8_t chm : 1;
uint8_t tbl : 2;
uint8_t vsense : 1;
uint8_t vhighfs : 1;
uint8_t vhighchm : 1;
uint8_t sync : 4;
uint8_t mres : 4;
uint8_t intpol : 1;
uint8_t dedge : 1;
uint8_t diss2g : 1;
uint8_t reserved : 1;
uint32_t toff : 4;
uint32_t hstrt : 3;
uint32_t hend : 4;
uint32_t fd : 1;
uint32_t disfdcc : 1;
uint32_t rndtf : 1;
uint32_t chm : 1;
uint32_t tbl : 2;
uint32_t vsense : 1;
uint32_t vhighfs : 1;
uint32_t vhighchm : 1;
uint32_t sync : 4;
uint32_t mres : 4;
uint32_t intpol : 1;
uint32_t dedge : 1;
uint32_t diss2g : 1;
uint32_t reserved : 1;
constexpr S(bool vsense, uint8_t mres)
: toff(TOFF_DEFAULT)
, hstrt(5)