Merge pull request #408 from regimantas/master

Added PY32 support. Tested and working with PY32F002A 24MHZ speed (8MHZ not working)

Author: ladyada

Adafruit_NeoPixel.cpp

@@ -2869,7 +2869,7 @@ if(is800KHz) {
     // ToDo!
   }
 #endif
-#elif defined(ARDUINO_ARCH_STM32) || defined(ARDUINO_ARCH_ARDUINO_CORE_STM32)
+#elif defined(ARDUINO_ARCH_STM32) || defined(ARDUINO_ARCH_ARDUINO_CORE_STM32) || defined(_PY32_DEF_)
   uint8_t *p = pixels, *end = p + numBytes, pix = *p++, mask = 0x80;
   uint32_t cyc;
   uint32_t saveLoad = SysTick->LOAD, saveVal = SysTick->VAL;
@@ -3356,6 +3356,9 @@ void Adafruit_NeoPixel::setPin(int16_t p) {
 #if defined(ARDUINO_ARCH_STM32) || defined(ARDUINO_ARCH_ARDUINO_CORE_STM32)
   gpioPort = digitalPinToPort(p);
   gpioPin = STM_LL_GPIO_PIN(digitalPinToPinName(p));
+#elif defined(_PY32_DEF_)
+  gpioPort = digitalPinToPort(p);
+  gpioPin = PY32_LL_GPIO_PIN(digitalPinToPinName(p));
 #elif defined(ARDUINO_ARCH_CH32)
   PinName const pin_name = digitalPinToPinName(pin);
   gpioPort = get_GPIO_Port(CH_PORT(pin_name));

Adafruit_NeoPixel.h

@@ -407,7 +407,7 @@ class Adafruit_NeoPixel {
   volatile uint8_t *port; ///< Output PORT register
   uint8_t pinMask;        ///< Output PORT bitmask
 #endif
-#if defined(ARDUINO_ARCH_STM32) || defined(ARDUINO_ARCH_ARDUINO_CORE_STM32) || defined(ARDUINO_ARCH_CH32)
+#if defined(ARDUINO_ARCH_STM32) || defined(ARDUINO_ARCH_ARDUINO_CORE_STM32) || defined(ARDUINO_ARCH_CH32) || defined(_PY32_DEF_)
   GPIO_TypeDef *gpioPort; ///< Output GPIO PORT
   uint32_t gpioPin;       ///< Output GPIO PIN
 #endif