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My Marlin configs for Fabrikator Mini and CTC i3 Pro B
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marlin/buildroot/share/PlatformIO/variants/marlin_CHITU_F103/variant.h

variant.h 736B
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  1. #pragma once

  2. 

  3. #define digitalPinToPort(P)        ( PIN_MAP[P].gpio_device )

  4. #define digitalPinToBitMask(P)     ( BIT(PIN_MAP[P].gpio_bit) )

  5. #define portOutputRegister(port)   ( &(port->regs->ODR) )

  6. #define portInputRegister(port)    ( &(port->regs->IDR) )

  7. 

  8. #define portSetRegister(pin)       ( &(PIN_MAP[pin].gpio_device->regs->BSRR) )

  9. #define portClearRegister(pin)     ( &(PIN_MAP[pin].gpio_device->regs->BRR) )

  10. 

  11. #define portConfigRegister(pin)    ( &(PIN_MAP[pin].gpio_device->regs->CRL) )

  12. 

  13. static const uint8_t SS   = BOARD_SPI1_NSS_PIN;

  14. static const uint8_t SS1  = BOARD_SPI2_NSS_PIN;

  15. static const uint8_t MOSI = BOARD_SPI1_MOSI_PIN;

  16. static const uint8_t MISO = BOARD_SPI1_MISO_PIN;

  17. static const uint8_t SCK  = BOARD_SPI1_SCK_PIN;