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@@ -93,15 +93,15 @@
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#define DIRECT_WRITE_HIGH(base, mask) ((*(base+8+2)) = (mask)) //LATXSET + 0x28
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#elif defined(ARDUINO_ARCH_ESP8266)
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-#define PIN_TO_BASEREG(pin) (portOutputRegister(digitalPinToPort(pin)))
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-#define PIN_TO_BITMASK(pin) (digitalPinToBitMask(pin))
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+#define PIN_TO_BASEREG(pin) ((volatile uint32_t*) GPO)
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+#define PIN_TO_BITMASK(pin) (1 << pin)
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#define IO_REG_TYPE uint32_t
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#define IO_REG_ASM
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-#define DIRECT_READ(base, mask) (((*(base+6)) & (mask)) ? 1 : 0) //GPIO_IN_ADDRESS
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-#define DIRECT_MODE_INPUT(base, mask) ((*(base+5)) = (mask)) //GPIO_ENABLE_W1TC_ADDRESS
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-#define DIRECT_MODE_OUTPUT(base, mask) ((*(base+4)) = (mask)) //GPIO_ENABLE_W1TS_ADDRESS
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-#define DIRECT_WRITE_LOW(base, mask) ((*(base+2)) = (mask)) //GPIO_OUT_W1TC_ADDRESS
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-#define DIRECT_WRITE_HIGH(base, mask) ((*(base+1)) = (mask)) //GPIO_OUT_W1TS_ADDRESS
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+#define DIRECT_READ(base, mask) ((GPI & (mask)) ? 1 : 0) //GPIO_IN_ADDRESS
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+#define DIRECT_MODE_INPUT(base, mask) (GPE &= ~(mask)) //GPIO_ENABLE_W1TC_ADDRESS
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+#define DIRECT_MODE_OUTPUT(base, mask) (GPE |= (mask)) //GPIO_ENABLE_W1TS_ADDRESS
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+#define DIRECT_WRITE_LOW(base, mask) (GPOC = (mask)) //GPIO_OUT_W1TC_ADDRESS
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+#define DIRECT_WRITE_HIGH(base, mask) (GPOS = (mask)) //GPIO_OUT_W1TS_ADDRESS
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#elif defined(__SAMD21G18A__)
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// runs extremely slow/unreliable on Arduino Zero - help wanted....
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BorisWild