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fastspi.h
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fastspi.h
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/// @file fastspi.h
/// Serial peripheral interface (SPI) definitions per platform
#ifndef __INC_FASTSPI_H
#define __INC_FASTSPI_H
#include "FastLED.h"
#include "controller.h"
#include "lib8tion.h"
#include "fastspi_bitbang.h"
FASTLED_NAMESPACE_BEGIN
#if defined(FASTLED_TEENSY3) && (F_CPU > 48000000)
#define DATA_RATE_MHZ(X) (((48000000L / 1000000L) / X))
#define DATA_RATE_KHZ(X) (((48000000L / 1000L) / X))
#elif defined(FASTLED_TEENSY4) || (defined(ESP32) && defined(FASTLED_ALL_PINS_HARDWARE_SPI)) || (defined(ESP8266) && defined(FASTLED_ALL_PINS_HARDWARE_SPI))
// just use clocks
#define DATA_RATE_MHZ(X) (1000000 * (X))
#define DATA_RATE_KHZ(X) (1000 * (X))
#else
/// Convert data rate from megahertz (MHz) to clock cycles per bit
#define DATA_RATE_MHZ(X) ((F_CPU / 1000000L) / X)
/// Convert data rate from kilohertz (KHz) to clock cycles per bit
#define DATA_RATE_KHZ(X) ((F_CPU / 1000L) / X)
#endif
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
//
// External SPI template definition with partial instantiation(s) to map to hardware SPI ports on platforms/builds where the pin
// mappings are known at compile time.
//
//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
#if !defined(FASTLED_ALL_PINS_HARDWARE_SPI)
/// Hardware SPI output
template<uint8_t _DATA_PIN, uint8_t _CLOCK_PIN, uint32_t _SPI_CLOCK_DIVIDER>
class SPIOutput : public AVRSoftwareSPIOutput<_DATA_PIN, _CLOCK_PIN, _SPI_CLOCK_DIVIDER> {};
#endif
/// Software SPI output
template<uint8_t _DATA_PIN, uint8_t _CLOCK_PIN, uint32_t _SPI_CLOCK_DIVIDER>
class SoftwareSPIOutput : public AVRSoftwareSPIOutput<_DATA_PIN, _CLOCK_PIN, _SPI_CLOCK_DIVIDER> {};
#ifndef FASTLED_FORCE_SOFTWARE_SPI
#if defined(NRF51) && defined(FASTLED_ALL_PINS_HARDWARE_SPI)
template<uint8_t _DATA_PIN, uint8_t _CLOCK_PIN, uint32_t _SPI_CLOCK_DIVIDER>
class SPIOutput : public NRF51SPIOutput<_DATA_PIN, _CLOCK_PIN, _SPI_CLOCK_DIVIDER> {};
#endif
#if defined(NRF52_SERIES) && defined(FASTLED_ALL_PINS_HARDWARE_SPI)
template<uint8_t _DATA_PIN, uint8_t _CLOCK_PIN, uint32_t _SPI_CLOCK_DIVIDER>
class SPIOutput : public NRF52SPIOutput<_DATA_PIN, _CLOCK_PIN, _SPI_CLOCK_DIVIDER> {};
#endif
#if defined(FASTLED_APOLLO3) && defined(FASTLED_ALL_PINS_HARDWARE_SPI)
template<uint8_t _DATA_PIN, uint8_t _CLOCK_PIN, uint32_t _SPI_CLOCK_DIVIDER>
class SPIOutput : public APOLLO3HardwareSPIOutput<_DATA_PIN, _CLOCK_PIN, _SPI_CLOCK_DIVIDER> {};
#endif
#if defined(ESP32) && defined(FASTLED_ALL_PINS_HARDWARE_SPI)
template<uint8_t _DATA_PIN, uint8_t _CLOCK_PIN, uint32_t _SPI_CLOCK_DIVIDER>
class SPIOutput : public ESP32SPIOutput<_DATA_PIN, _CLOCK_PIN, _SPI_CLOCK_DIVIDER> {};
#endif
#if defined(ESP8266) && defined(FASTLED_ALL_PINS_HARDWARE_SPI)
template<uint8_t _DATA_PIN, uint8_t _CLOCK_PIN, uint32_t _SPI_CLOCK_DIVIDER>
class SPIOutput : public ESP8266SPIOutput<_DATA_PIN, _CLOCK_PIN, _SPI_CLOCK_DIVIDER> {};
#endif
#if defined(SPI_DATA) && defined(SPI_CLOCK)
#if defined(FASTLED_TEENSY3) && defined(ARM_HARDWARE_SPI)
template<uint32_t SPI_SPEED>
class SPIOutput<SPI_DATA, SPI_CLOCK, SPI_SPEED> : public ARMHardwareSPIOutput<SPI_DATA, SPI_CLOCK, SPI_SPEED, 0x4002C000> {};
#if defined(SPI2_DATA)
template<uint32_t SPI_SPEED>
class SPIOutput<SPI2_DATA, SPI2_CLOCK, SPI_SPEED> : public ARMHardwareSPIOutput<SPI2_DATA, SPI2_CLOCK, SPI_SPEED, 0x4002C000> {};
template<uint32_t SPI_SPEED>
class SPIOutput<SPI_DATA, SPI2_CLOCK, SPI_SPEED> : public ARMHardwareSPIOutput<SPI_DATA, SPI2_CLOCK, SPI_SPEED, 0x4002C000> {};
template<uint32_t SPI_SPEED>
class SPIOutput<SPI2_DATA, SPI_CLOCK, SPI_SPEED> : public ARMHardwareSPIOutput<SPI2_DATA, SPI_CLOCK, SPI_SPEED, 0x4002C000> {};
#endif
#elif defined(FASTLED_TEENSY4) && defined(ARM_HARDWARE_SPI)
template<uint32_t SPI_SPEED>
class SPIOutput<SPI_DATA, SPI_CLOCK, SPI_SPEED> : public Teensy4HardwareSPIOutput<SPI_DATA, SPI_CLOCK, SPI_SPEED, SPI, 0> {};
template<uint32_t SPI_SPEED>
class SPIOutput<SPI1_DATA, SPI1_CLOCK, SPI_SPEED> : public Teensy4HardwareSPIOutput<SPI1_DATA, SPI1_CLOCK, SPI_SPEED, SPI1, 1> {};
template<uint32_t SPI_SPEED>
class SPIOutput<SPI2_DATA, SPI2_CLOCK, SPI_SPEED> : public Teensy4HardwareSPIOutput<SPI2_DATA, SPI2_CLOCK, SPI_SPEED, SPI2, 2> {};
#elif defined(FASTLED_TEENSYLC) && defined(ARM_HARDWARE_SPI)
#define DECLARE_SPI0(__DATA,__CLOCK) template<uint32_t SPI_SPEED>\
class SPIOutput<__DATA, __CLOCK, SPI_SPEED> : public ARMHardwareSPIOutput<__DATA, __CLOCK, SPI_SPEED, 0x40076000> {};
#define DECLARE_SPI1(__DATA,__CLOCK) template<uint32_t SPI_SPEED>\
class SPIOutput<__DATA, __CLOCK, SPI_SPEED> : public ARMHardwareSPIOutput<__DATA, __CLOCK, SPI_SPEED, 0x40077000> {};
DECLARE_SPI0(7,13);
DECLARE_SPI0(8,13);
DECLARE_SPI0(11,13);
DECLARE_SPI0(12,13);
DECLARE_SPI0(7,14);
DECLARE_SPI0(8,14);
DECLARE_SPI0(11,14);
DECLARE_SPI0(12,14);
DECLARE_SPI1(0,20);
DECLARE_SPI1(1,20);
DECLARE_SPI1(21,20);
#elif defined(__SAM3X8E__)
template<uint32_t SPI_SPEED>
class SPIOutput<SPI_DATA, SPI_CLOCK, SPI_SPEED> : public SAMHardwareSPIOutput<SPI_DATA, SPI_CLOCK, SPI_SPEED> {};
#elif defined(AVR_HARDWARE_SPI)
template<uint32_t SPI_SPEED>
class SPIOutput<SPI_DATA, SPI_CLOCK, SPI_SPEED> : public AVRHardwareSPIOutput<SPI_DATA, SPI_CLOCK, SPI_SPEED> {};
#if defined(SPI_UART0_DATA)
template<uint32_t SPI_SPEED>
class SPIOutput<SPI_UART0_DATA, SPI_UART0_CLOCK, SPI_SPEED> : public AVRUSART0SPIOutput<SPI_UART0_DATA, SPI_UART0_CLOCK, SPI_SPEED> {};
#endif
#if defined(SPI_UART1_DATA)
template<uint32_t SPI_SPEED>
class SPIOutput<SPI_UART1_DATA, SPI_UART1_CLOCK, SPI_SPEED> : public AVRUSART1SPIOutput<SPI_UART1_DATA, SPI_UART1_CLOCK, SPI_SPEED> {};
#endif
#elif defined(ARDUNIO_CORE_SPI)
template<uint32_t SPI_SPEED>
class SPIOutput<SPI_DATA, SPI_CLOCK, SPI_SPEED> : public ArdunioCoreSPIOutput<SPI_DATA, SPI_CLOCK, SPI_SPEED, SPI> {};
#endif
#else
# if !defined(FASTLED_INTERNAL) && !defined(FASTLED_ALL_PINS_HARDWARE_SPI)
# ifdef FASTLED_HAS_PRAGMA_MESSAGE
# pragma message "No hardware SPI pins defined. All SPI access will default to bitbanged output"
# else
# warning "No hardware SPI pins defined. All SPI access will default to bitbanged output"
# endif
# endif
#endif
// #if defined(USART_DATA) && defined(USART_CLOCK)
// template<uint32_t SPI_SPEED>
// class AVRSPIOutput<USART_DATA, USART_CLOCK, SPI_SPEED> : public AVRUSARTSPIOutput<USART_DATA, USART_CLOCK, SPI_SPEED> {};
// #endif
#else
# if !defined(FASTLED_INTERNAL) && !defined(FASTLED_ALL_PINS_HARDWARE_SPI)
# ifdef FASTLED_HAS_PRAGMA_MESSAGE
# pragma message "Forcing software SPI - no hardware SPI for you!"
# else
# warning "Forcing software SPI - no hardware SPI for you!"
# endif
# endif
#endif
FASTLED_NAMESPACE_END
#endif