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Fix IRAM method getting inlined (#304)

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This commit is contained in:
Michael Miller
2019-11-02 12:04:41 -07:00
committed by GitHub
parent 57d78ebfa4
commit d71ad7a1fa
1 changed files with 10 additions and 12 deletions
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22
src/internal/NeoEspBitBangMethod.h
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@@ -37,15 +37,6 @@ License along with NeoPixel. If not, see
#define ICACHE_RAM_ATTR IRAM_ATTR
#endif
static uint32_t _getCycleCount(void) __attribute__((always_inline));
static inline uint32_t _getCycleCount(void)
{
uint32_t ccount;
__asm__ __volatile__("rsr %0,ccount":"=a" (ccount));
return ccount;
}
#define CYCLES_LOOPTEST (4) // adjustment due to loop exit test instruction cycles
class NeoEspSpeedWs2811
@@ -123,7 +114,7 @@ public:
template<typename T_SPEED, typename T_PINSET> class NeoEspBitBangBase
{
public:
static void ICACHE_RAM_ATTR send_pixels(uint8_t* pixels, uint8_t* end, uint8_t pin)
__attribute__((noinline)) static const void ICACHE_RAM_ATTR send_pixels(uint8_t* pixels, uint8_t* end, uint8_t pin)
{
const uint32_t pinRegister = _BV(pin);
uint8_t mask = 0x80;
@@ -142,13 +133,13 @@ public:
// after we have done as much work as needed for this next bit
// now wait for the HIGH
while (((cyclesStart = _getCycleCount()) - cyclesNext) < T_SPEED::Period);
while (((cyclesStart = getCycleCount()) - cyclesNext) < T_SPEED::Period);
// set pin state
T_PINSET::setPin(pinRegister);
// wait for the LOW
while ((_getCycleCount() - cyclesStart) < cyclesBit);
while ((getCycleCount() - cyclesStart) < cyclesBit);
// reset pin start
T_PINSET::resetPin(pinRegister);
@@ -173,6 +164,13 @@ public:
}
}
protected:
static inline uint32_t getCycleCount(void)
{
uint32_t ccount;
__asm__ __volatile__("rsr %0,ccount":"=a" (ccount));
return ccount;
}
};
class NeoEspBitBangSpeedWs2811 : public NeoEspBitBangBase<NeoEspSpeedWs2811, NeoEspPinset>