201 lines
8.8 KiB
C
201 lines
8.8 KiB
C
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#ifndef __INC_FASTPIN_ARM_SAM_H
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#define __INC_FASTPIN_ARM_SAM_H
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FASTLED_NAMESPACE_BEGIN
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#if defined(FASTLED_FORCE_SOFTWARE_PINS)
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#warning "Software pin support forced, pin access will be slightly slower."
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#define NO_HARDWARE_PIN_SUPPORT
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#undef HAS_HARDWARE_PIN_SUPPORT
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#else
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/// Template definition for STM32 style ARM pins, providing direct access to the various GPIO registers. Note that this
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/// uses the full port GPIO registers. In theory, in some way, bit-band register access -should- be faster, however I have found
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/// that something about the way gcc does register allocation results in the bit-band code being slower. It will need more fine tuning.
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/// The registers are data output, set output, clear output, toggle output, input, and direction
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template<uint8_t PIN, uint8_t _BIT, uint32_t _MASK, int _GRP> class _ARMPIN {
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public:
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typedef volatile uint32_t * port_ptr_t;
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typedef uint32_t port_t;
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#if 0
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inline static void setOutput() {
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if(_BIT<8) {
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_CRL::r() = (_CRL::r() & (0xF << (_BIT*4)) | (0x1 << (_BIT*4));
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} else {
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_CRH::r() = (_CRH::r() & (0xF << ((_BIT-8)*4))) | (0x1 << ((_BIT-8)*4));
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}
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}
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inline static void setInput() { /* TODO */ } // TODO: preform MUX config { _PDDR::r() &= ~_MASK; }
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#endif
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inline static void setOutput() { pinMode(PIN, OUTPUT); } // TODO: perform MUX config { _PDDR::r() |= _MASK; }
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inline static void setInput() { pinMode(PIN, INPUT); } // TODO: preform MUX config { _PDDR::r() &= ~_MASK; }
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inline static void hi() __attribute__ ((always_inline)) { PORT_IOBUS->Group[_GRP].OUTSET.reg = _MASK; }
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inline static void lo() __attribute__ ((always_inline)) { PORT_IOBUS->Group[_GRP].OUTCLR.reg = _MASK; }
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inline static void set(register port_t val) __attribute__ ((always_inline)) { PORT_IOBUS->Group[_GRP].OUT.reg = val; }
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inline static void strobe() __attribute__ ((always_inline)) { toggle(); toggle(); }
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inline static void toggle() __attribute__ ((always_inline)) { PORT_IOBUS->Group[_GRP].OUTTGL.reg = _MASK; }
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inline static void hi(register port_ptr_t port) __attribute__ ((always_inline)) { hi(); }
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inline static void lo(register port_ptr_t port) __attribute__ ((always_inline)) { lo(); }
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inline static void fastset(register port_ptr_t port, register port_t val) __attribute__ ((always_inline)) { *port = val; }
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inline static port_t hival() __attribute__ ((always_inline)) { return PORT_IOBUS->Group[_GRP].OUT.reg | _MASK; }
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inline static port_t loval() __attribute__ ((always_inline)) { return PORT_IOBUS->Group[_GRP].OUT.reg & ~_MASK; }
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inline static port_ptr_t port() __attribute__ ((always_inline)) { return &PORT_IOBUS->Group[_GRP].OUT.reg; }
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inline static port_ptr_t sport() __attribute__ ((always_inline)) { return &PORT_IOBUS->Group[_GRP].OUTSET.reg; }
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inline static port_ptr_t cport() __attribute__ ((always_inline)) { return &PORT_IOBUS->Group[_GRP].OUTCLR.reg; }
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inline static port_t mask() __attribute__ ((always_inline)) { return _MASK; }
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};
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#define _R(T) struct __gen_struct_ ## T
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#define _RD32(T) struct __gen_struct_ ## T { static __attribute__((always_inline)) inline volatile PortGroup * r() { return T; } };
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#define _IO32(L) _RD32(GPIO ## L)
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#define _DEFPIN_ARM(PIN, L, BIT) template<> class FastPin<PIN> : public _ARMPIN<PIN, BIT, 1 << BIT, L> {};
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// Actual pin definitions
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#if defined(ARDUINO_SAMD_CIRCUITPLAYGROUND_EXPRESS)
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#define MAX_PIN 17
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_DEFPIN_ARM( 8,1,23);
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_DEFPIN_ARM( 0,1, 9); _DEFPIN_ARM( 1,1, 8); _DEFPIN_ARM( 2,1, 2); _DEFPIN_ARM( 3,1, 3);
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_DEFPIN_ARM( 6,0, 5); _DEFPIN_ARM( 9,0, 6); _DEFPIN_ARM(10,0, 7); _DEFPIN_ARM(12,0, 2);
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_DEFPIN_ARM(A6,1, 9); _DEFPIN_ARM(A7,1, 8); _DEFPIN_ARM(A5,1, 2); _DEFPIN_ARM(A4,1, 3);
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_DEFPIN_ARM(A1,0, 5); _DEFPIN_ARM(A2,0, 6); _DEFPIN_ARM(A3,0, 7); _DEFPIN_ARM(A0,0, 2);
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#define HAS_HARDWARE_PIN_SUPPORT 1
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#elif defined(ADAFRUIT_HALLOWING)
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#define MAX_PIN 20
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// 0 & 1
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_DEFPIN_ARM( 0, 0, 9); _DEFPIN_ARM( 1, 0, 10);
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// 2, 3, 4
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_DEFPIN_ARM( 2, 0, 14); _DEFPIN_ARM( 3, 0, 11); _DEFPIN_ARM( 4, 0, 8);
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// 5, 6, 7
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_DEFPIN_ARM( 5, 0, 15); _DEFPIN_ARM( 6, 0, 18); _DEFPIN_ARM( 7, 0, 0);
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// 8, 9, 10
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_DEFPIN_ARM( 8, 0, 12); _DEFPIN_ARM( 9, 0, 19); _DEFPIN_ARM(10, 0, 20);
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// 11, 12, 13
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_DEFPIN_ARM(11, 0, 21); _DEFPIN_ARM(12, 0, 22); _DEFPIN_ARM(13, 0, 23);
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// 14, 15, 16 (A0 - A2)
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_DEFPIN_ARM(14, 0, 2); _DEFPIN_ARM(15, 1, 8); _DEFPIN_ARM(16, 1, 9);
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// 17, 18, 19 (A3 - A5)
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_DEFPIN_ARM(17, 0, 4); _DEFPIN_ARM(18, 0, 5); _DEFPIN_ARM(19, 0, 6);
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#define SPI_DATA PIN_SPI_MOSI
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#define SPI_CLOCK PIN_SPI_SCK
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#define HAS_HARDWARE_PIN_SUPPORT 1
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#elif defined(ARDUINO_SAMD_ZERO)
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#define MAX_PIN 42
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_DEFPIN_ARM( 0,0,10); _DEFPIN_ARM( 1,0,11); _DEFPIN_ARM( 2,0, 8); _DEFPIN_ARM( 3,0, 9);
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_DEFPIN_ARM( 4,0,14); _DEFPIN_ARM( 5,0,15); _DEFPIN_ARM( 6,0,20); _DEFPIN_ARM( 7,0,21);
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_DEFPIN_ARM( 8,0, 6); _DEFPIN_ARM( 9,0, 7); _DEFPIN_ARM(10,0,18); _DEFPIN_ARM(11,0,16);
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_DEFPIN_ARM(12,0,19); _DEFPIN_ARM(13,0,17); _DEFPIN_ARM(14,0, 2); _DEFPIN_ARM(15,1, 8);
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_DEFPIN_ARM(16,1, 9); _DEFPIN_ARM(17,0, 4); _DEFPIN_ARM(18,0, 5); _DEFPIN_ARM(19,1, 2);
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_DEFPIN_ARM(20,0,22); _DEFPIN_ARM(21,0,23); _DEFPIN_ARM(22,0,12); _DEFPIN_ARM(23,1,11);
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_DEFPIN_ARM(24,1,10); _DEFPIN_ARM(25,1, 3); _DEFPIN_ARM(26,0,27); _DEFPIN_ARM(27,0,28);
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_DEFPIN_ARM(28,0,24); _DEFPIN_ARM(29,0,25); _DEFPIN_ARM(30,1,22); _DEFPIN_ARM(31,1,23);
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_DEFPIN_ARM(32,0,22); _DEFPIN_ARM(33,0,23); _DEFPIN_ARM(34,0,19); _DEFPIN_ARM(35,0,16);
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_DEFPIN_ARM(36,0,18); _DEFPIN_ARM(37,0,17); _DEFPIN_ARM(38,0,13); _DEFPIN_ARM(39,0,21);
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_DEFPIN_ARM(40,0, 6); _DEFPIN_ARM(41,0, 7); _DEFPIN_ARM(42,0, 3);
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#define SPI_DATA 24
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#define SPI_CLOCK 23
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#define HAS_HARDWARE_PIN_SUPPORT 1
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#elif defined(ARDUINO_SODAQ_AUTONOMO)
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#define MAX_PIN 56
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_DEFPIN_ARM( 0,0, 9); _DEFPIN_ARM( 1,0,10); _DEFPIN_ARM( 2,0,11); _DEFPIN_ARM( 3,1,10);
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_DEFPIN_ARM( 4,1,11); _DEFPIN_ARM( 5,1,12); _DEFPIN_ARM( 6,1,13); _DEFPIN_ARM( 7,1,14);
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_DEFPIN_ARM( 8,1,15); _DEFPIN_ARM( 9,0,14); _DEFPIN_ARM(10,0,15); _DEFPIN_ARM(11,0,16);
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_DEFPIN_ARM(12,0,17); _DEFPIN_ARM(13,0,18); _DEFPIN_ARM(14,0,19); _DEFPIN_ARM(15,1,16);
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_DEFPIN_ARM(16,0, 8); _DEFPIN_ARM(17,0,28); _DEFPIN_ARM(18,1,17); _DEFPIN_ARM(19,0, 2);
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_DEFPIN_ARM(20,0, 6); _DEFPIN_ARM(21,0, 5); _DEFPIN_ARM(22,0, 4); _DEFPIN_ARM(23,1, 9);
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_DEFPIN_ARM(24,1, 8); _DEFPIN_ARM(25,1, 7); _DEFPIN_ARM(26,1, 6); _DEFPIN_ARM(27,1, 5);
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_DEFPIN_ARM(28,1, 4); _DEFPIN_ARM(29,0, 7); _DEFPIN_ARM(30,1, 3); _DEFPIN_ARM(31,1, 2);
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_DEFPIN_ARM(32,1, 1); _DEFPIN_ARM(33,1, 0); _DEFPIN_ARM(34,0, 3); _DEFPIN_ARM(35,0, 3);
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_DEFPIN_ARM(36,1,30); _DEFPIN_ARM(37,1,31); _DEFPIN_ARM(38,1,22); _DEFPIN_ARM(39,1,23);
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_DEFPIN_ARM(40,0,12); _DEFPIN_ARM(41,0,13); _DEFPIN_ARM(42,0,22); _DEFPIN_ARM(43,0,23);
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_DEFPIN_ARM(44,0,20); _DEFPIN_ARM(45,0,21); _DEFPIN_ARM(46,0,27); _DEFPIN_ARM(47,0,24);
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_DEFPIN_ARM(48,0,25); _DEFPIN_ARM(49,1,13); _DEFPIN_ARM(50,1,14); _DEFPIN_ARM(51,0,17);
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_DEFPIN_ARM(52,0,18); _DEFPIN_ARM(53,1,12); _DEFPIN_ARM(54,1,13); _DEFPIN_ARM(55,1,14);
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_DEFPIN_ARM(56,1,15);
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#define SPI_DATA 44
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#define SPI_CLOCK 45
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#define HAS_HARDWARE_PIN_SUPPORT 1
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#elif defined(ARDUINO_SAMD_WINO)
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#define MAX_PIN 22
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_DEFPIN_ARM( 0, 0, 23); _DEFPIN_ARM( 1, 0, 22); _DEFPIN_ARM( 2, 0, 16); _DEFPIN_ARM( 3, 0, 17);
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_DEFPIN_ARM( 4, 0, 18); _DEFPIN_ARM( 5, 0, 19); _DEFPIN_ARM( 6, 0, 24); _DEFPIN_ARM( 7, 0, 25);
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_DEFPIN_ARM( 8, 0, 27); _DEFPIN_ARM( 9, 0, 28); _DEFPIN_ARM( 10, 0, 30); _DEFPIN_ARM( 11, 0, 31);
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_DEFPIN_ARM( 12, 0, 15); _DEFPIN_ARM( 13, 0, 14); _DEFPIN_ARM( 14, 0, 2); _DEFPIN_ARM( 15, 0, 3);
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_DEFPIN_ARM( 16, 0, 4); _DEFPIN_ARM( 17, 0, 5); _DEFPIN_ARM( 18, 0, 6); _DEFPIN_ARM( 19, 0, 7);
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_DEFPIN_ARM( 20, 0, 8); _DEFPIN_ARM( 21, 0, 9); _DEFPIN_ARM( 22, 0, 10); _DEFPIN_ARM( 23, 0, 11);
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#define HAS_HARDWARE_PIN_SUPPORT 1
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#elif defined(ARDUINO_SAMD_MKR1000)
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#define MAX_PIN 22
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_DEFPIN_ARM( 0, 0, 22); _DEFPIN_ARM( 1, 0, 23); _DEFPIN_ARM( 2, 0, 10); _DEFPIN_ARM( 3, 0, 11);
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_DEFPIN_ARM( 4, 1, 10); _DEFPIN_ARM( 5, 1, 11); _DEFPIN_ARM( 6, 0, 20); _DEFPIN_ARM( 7, 0, 21);
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_DEFPIN_ARM( 8, 0, 16); _DEFPIN_ARM( 9, 0, 17); _DEFPIN_ARM( 10, 0, 19); _DEFPIN_ARM( 11, 0, 8);
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_DEFPIN_ARM( 12, 0, 9); _DEFPIN_ARM( 13, 1, 23); _DEFPIN_ARM( 14, 1, 22); _DEFPIN_ARM( 15, 0, 2);
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_DEFPIN_ARM( 16, 1, 2); _DEFPIN_ARM( 17, 1, 3); _DEFPIN_ARM( 18, 0, 4); _DEFPIN_ARM( 19, 0, 5);
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_DEFPIN_ARM( 20, 0, 6); _DEFPIN_ARM( 21, 0, 7);
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#define SPI_DATA 8
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#define SPI_CLOCK 9
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#define HAS_HARDWARE_PIN_SUPPORT 1
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#elif defined(ARDUINO_GEMMA_M0)
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#define MAX_PIN 4
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_DEFPIN_ARM( 0, 0, 4); _DEFPIN_ARM( 1, 0, 2); _DEFPIN_ARM( 2, 0, 5);
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_DEFPIN_ARM( 3, 0, 0); _DEFPIN_ARM( 4, 0, 1);
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#define HAS_HARDWARE_PIN_SUPPORT 1
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#elif defined(ADAFRUIT_TRINKET_M0)
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#define MAX_PIN 7
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_DEFPIN_ARM( 0, 0, 8); _DEFPIN_ARM( 1, 0, 2); _DEFPIN_ARM( 2, 0, 9);
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_DEFPIN_ARM( 3, 0, 7); _DEFPIN_ARM( 4, 0, 6); _DEFPIN_ARM( 7, 0, 0); _DEFPIN_ARM( 8, 0, 1);
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#define SPI_DATA 4
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#define SPI_CLOCK 3
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#define HAS_HARDWARE_PIN_SUPPORT 1
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#endif
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#endif // FASTLED_FORCE_SOFTWARE_PINS
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FASTLED_NAMESPACE_END
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#endif // __INC_FASTPIN_ARM_SAM_H
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