diff options
Diffstat (limited to 'src/platforms/arm/stm32/clockless_arm_stm32.h')
| -rw-r--r-- | src/platforms/arm/stm32/clockless_arm_stm32.h | 21 |
1 files changed, 14 insertions, 7 deletions
diff --git a/src/platforms/arm/stm32/clockless_arm_stm32.h b/src/platforms/arm/stm32/clockless_arm_stm32.h index 0ac8a5d4..d87b78c6 100644 --- a/src/platforms/arm/stm32/clockless_arm_stm32.h +++ b/src/platforms/arm/stm32/clockless_arm_stm32.h @@ -7,6 +7,13 @@ FASTLED_NAMESPACE_BEGIN #define FASTLED_HAS_CLOCKLESS 1 +#if defined(STM32F2XX) +// The photon runs faster than the others +#define ADJ 8 +#else +#define ADJ 20 +#endif + template <int DATA_PIN, int T1, int T2, int T3, EOrder RGB_ORDER = RGB, int XTRA0 = 0, bool FLIP = false, int WAIT_TIME = 50> class ClocklessController : public CPixelLEDController<RGB_ORDER> { typedef typename FastPin<DATA_PIN>::port_ptr_t data_ptr_t; @@ -23,7 +30,7 @@ public: mPort = FastPin<DATA_PIN>::port(); } - virtual uint16_t getMaxRefreshRate() const { return 400; } + virtual uint16_t getMaxRefreshRate() const { return 400; } protected: virtual void showPixels(PixelController<RGB_ORDER> & pixels) { @@ -39,28 +46,28 @@ protected: template<int BITS> __attribute__ ((always_inline)) inline static void writeBits(register uint32_t & next_mark, register data_ptr_t port, register data_t hi, register data_t lo, register uint8_t & b) { for(register uint32_t i = BITS-1; i > 0; --i) { - while(_CYCCNT < (T1+T2+T3-20)); + while(_CYCCNT < (T1+T2+T3-ADJ)); FastPin<DATA_PIN>::fastset(port, hi); _CYCCNT = 4; if(b&0x80) { - while(_CYCCNT < (T1+T2-20)); + while(_CYCCNT < (T1+T2-ADJ)); FastPin<DATA_PIN>::fastset(port, lo); } else { - while(_CYCCNT < (T1-10)); + while(_CYCCNT < (T1-ADJ/2)); FastPin<DATA_PIN>::fastset(port, lo); } b <<= 1; } - while(_CYCCNT < (T1+T2+T3-20)); + while(_CYCCNT < (T1+T2+T3-ADJ)); FastPin<DATA_PIN>::fastset(port, hi); _CYCCNT = 4; if(b&0x80) { - while(_CYCCNT < (T1+T2-20)); + while(_CYCCNT < (T1+T2-ADJ)); FastPin<DATA_PIN>::fastset(port, lo); } else { - while(_CYCCNT < (T1-10)); + while(_CYCCNT < (T1-ADJ/2)); FastPin<DATA_PIN>::fastset(port, lo); } } |