Merge pull request #442 from Infineon/Infineon_psoc6_support

 Add PSOC6 Support to Adafruit Neopixel Library.

Author: ladyada

Adafruit_NeoPixel.cpp

@@ -400,6 +400,12 @@ extern "C" void espShow(uint16_t pin, uint8_t *pixels, uint32_t numBytes,
 extern "C" void k210Show(uint8_t pin, uint8_t *pixels, uint32_t numBytes,
                          boolean is800KHz);
 #endif // KENDRYTE_K210
+
+
+#if defined(ARDUINO_ARCH_PSOC6)
+extern "C" void psoc6_show(uint8_t pin, uint8_t *pixels, uint32_t numBytes,
+                         boolean is800KHz);
+#endif
 /*!
   @brief   Transmit pixel data in RAM to NeoPixels.
   @note    On most architectures, interrupts are temporarily disabled in
@@ -444,6 +450,10 @@ void Adafruit_NeoPixel::show(void) {
   noInterrupts(); // Need 100% focus on instruction timing
 #endif
 
+#if defined(ARDUINO_ARCH_PSOC6)
+  psoc6_show(pin, pixels, numBytes, is800KHz);
+#endif
+
 #if defined(__AVR__)
   // AVR MCUs -- ATmega & ATtiny (no XMEGA) ---------------------------------
 

psoc6.c

@@ -0,0 +1,87 @@
+#if defined(ARDUINO_ARCH_PSOC6)
+
+#include "cyhal_gpio.h"
+#include "cyhal_system.h"
+#include "cy_syslib.h"
+#include "Arduino.h"
+ 
+ void psoc6_show(uint8_t pin, uint8_t *pixels, uint32_t numBytes, bool is800KHZ)
+ {
+    if (!pixels) return;
+        noInterrupts();    
+    GPIO_PRT_Type *base = CYHAL_GET_PORTADDR(mapping_gpio_pin[pin]);
+    uint32_t pinNum = CYHAL_GET_PIN(mapping_gpio_pin[pin]);
+    if(is800KHZ){
+        for (uint16_t i = 0; i < numBytes; i++) {
+            uint8_t b = pixels[i];
+            for (uint8_t j = 0; j < 8; j++) {
+                bool bit = (b & 0x80) != 0;
+                b <<= 1;
+                switch (bit) {
+                    case 1:
+                    // Send a 1-bit
+                        Cy_GPIO_Write(base, pinNum, 1);
+                        Cy_GPIO_Write(base, pinNum, 1);
+                        Cy_GPIO_Write(base, pinNum, 1);
+                        Cy_GPIO_Write(base, pinNum, 1);
+                        Cy_GPIO_Write(base, pinNum, 0);
+                        Cy_GPIO_Write(base, pinNum, 0);
+                        break;
+                    case 0:
+                    // Send a 0-bit
+                        Cy_GPIO_Write(base, pinNum, 1);
+                        Cy_GPIO_Write(base, pinNum, 1);
+                        Cy_GPIO_Write(base, pinNum, 0);
+                        Cy_GPIO_Write(base, pinNum, 0);
+                        Cy_GPIO_Write(base, pinNum, 0);
+                        Cy_GPIO_Write(base, pinNum, 0);
+                        Cy_GPIO_Write(base, pinNum, 0);
+                        break;
+                }
+            }
+        }
+    }
+    else{ 
+        for (size_t i = 0; i < numBytes; i++){   
+            uint8_t b = pixels[i];
+            for (uint8_t j = 0; j < 8; j++) {
+                bool bit = (b & 0x80) != 0;
+                b <<= 1;
+                    switch (bit){
+                    case 1:
+                    // Send a 1-bit
+                        Cy_GPIO_Write(base, pinNum, 1);
+                        Cy_GPIO_Write(base, pinNum, 1);
+                        Cy_GPIO_Write(base, pinNum, 1);
+                        Cy_GPIO_Write(base, pinNum, 1);
+                        Cy_GPIO_Write(base, pinNum, 1);
+                        Cy_GPIO_Write(base, pinNum, 1);
+                        Cy_GPIO_Write(base, pinNum, 1);
+                        Cy_GPIO_Write(base, pinNum, 1);
+                        Cy_GPIO_Write(base, pinNum, 0);
+                        Cy_GPIO_Write(base, pinNum, 0);
+                        Cy_GPIO_Write(base, pinNum, 0);
+                        break;
+                    case 0:
+                    // Send a 0-bit
+                        Cy_GPIO_Write(base, pinNum, 1);
+                        Cy_GPIO_Write(base, pinNum, 1);
+                        Cy_GPIO_Write(base, pinNum, 1);
+                        Cy_GPIO_Write(base, pinNum, 1);
+                        Cy_GPIO_Write(base, pinNum, 0);
+                        Cy_GPIO_Write(base, pinNum, 0);
+                        Cy_GPIO_Write(base, pinNum, 0);
+                        Cy_GPIO_Write(base, pinNum, 0);
+                        Cy_GPIO_Write(base, pinNum, 0);
+                        Cy_GPIO_Write(base, pinNum, 0);
+                        Cy_GPIO_Write(base, pinNum, 0);
+                        break;
+                    }
+            }
+        }
+    }
+  interrupts();
+  delayMicroseconds(50); 
+  return;
+ }
+ #endif