diff options
Diffstat (limited to 'platforms/arm/d51/clockless_arm_d51.h')
-rw-r--r-- | platforms/arm/d51/clockless_arm_d51.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/platforms/arm/d51/clockless_arm_d51.h b/platforms/arm/d51/clockless_arm_d51.h new file mode 100644 index 00000000..a543ec18 --- /dev/null +++ b/platforms/arm/d51/clockless_arm_d51.h @@ -0,0 +1,62 @@ +#ifndef __INC_CLOCKLESS_ARM_D51 +#define __INC_CLOCKLESS_ARM_D51 + +// D51 is an M4 chip, however the M0 clockless logic seems to work. +#include "../common/m0clockless.h" +FASTLED_NAMESPACE_BEGIN +#define FASTLED_HAS_CLOCKLESS 1 + +template <uint8_t 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 FastPinBB<DATA_PIN>::port_ptr_t data_ptr_t; + typedef typename FastPinBB<DATA_PIN>::port_t data_t; + + data_t mPinMask; + data_ptr_t mPort; + CMinWait<WAIT_TIME> mWait; +public: + virtual void init() { + FastPinBB<DATA_PIN>::setOutput(); + mPinMask = FastPinBB<DATA_PIN>::mask(); + mPort = FastPinBB<DATA_PIN>::port(); + } + + virtual uint16_t getMaxRefreshRate() const { return 400; } + + virtual void showPixels(PixelController<RGB_ORDER> & pixels) { + mWait.wait(); + cli(); + if(!showRGBInternal(pixels)) { + sei(); delayMicroseconds(WAIT_TIME); cli(); + showRGBInternal(pixels); + } + sei(); + mWait.mark(); + } + + // This method is made static to force making register Y available to use for data on AVR - if the method is non-static, then + // gcc will use register Y for the this pointer. + static uint32_t showRGBInternal(PixelController<RGB_ORDER> pixels) { + struct M0ClocklessData data; + data.d[0] = pixels.d[0]; + data.d[1] = pixels.d[1]; + data.d[2] = pixels.d[2]; + data.s[0] = pixels.mScale[0]; + data.s[1] = pixels.mScale[1]; + data.s[2] = pixels.mScale[2]; + data.e[0] = pixels.e[0]; + data.e[1] = pixels.e[1]; + data.e[2] = pixels.e[2]; + data.adj = pixels.mAdvance; + + typename FastPin<DATA_PIN>::port_ptr_t portBase = FastPin<DATA_PIN>::port(); + return showLedData<8,4,T1,T2,T3,RGB_ORDER, WAIT_TIME>(portBase, FastPin<DATA_PIN>::mask(), pixels.mData, pixels.mLen, &data); + } + + +}; + +FASTLED_NAMESPACE_END + + +#endif // __INC_CLOCKLESS_ARM_D51 |