kopia lustrzana https://github.com/SP8EBC/ParaTNC
32 wiersze
1.7 KiB
C
32 wiersze
1.7 KiB
C
/*
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* spi_speed.h
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*
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* Created on: Sep 25, 2022
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* Author: mateusz
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*/
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#ifndef INCLUDE_DRIVERS_SPI_SPEED_H_
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#define INCLUDE_DRIVERS_SPI_SPEED_H_
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#define SPI_CR1_BR_Pos (3U)
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#define SPI_CR1_BR_Msk (0x7UL << SPI_CR1_BR_Pos) /*!< 0x00000038 */
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#define SPI_CR1_BR SPI_CR1_BR_Msk /*!<BR[2:0] bits (Baud Rate Control) */
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#define SPI_CR1_BR_0 (0x1UL << SPI_CR1_BR_Pos) /*!< 0x00000008 */
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#define SPI_CR1_BR_1 (0x2UL << SPI_CR1_BR_Pos) /*!< 0x00000010 */
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#define SPI_CR1_BR_2 (0x4UL << SPI_CR1_BR_Pos) /*!< 0x00000020 */
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#define SPI_SPEED_DIV2 0x00000000U /*!< BaudRate control equal to fPCLK/2 */
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#define SPI_SPEED_DIV4 (SPI_CR1_BR_0) /*!< BaudRate control equal to fPCLK/4 */
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#define SPI_SPEED_DIV8 (SPI_CR1_BR_1) /*!< BaudRate control equal to fPCLK/8 */
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#define SPI_SPEED_DIV16 (SPI_CR1_BR_1 | SPI_CR1_BR_0) /*!< BaudRate control equal to fPCLK/16 */
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#define SPI_SPEED_DIV32 (SPI_CR1_BR_2) /*!< BaudRate control equal to fPCLK/32 */
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#define SPI_SPEED_DIV64 (SPI_CR1_BR_2 | SPI_CR1_BR_0) /*!< BaudRate control equal to fPCLK/64 */
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#define SPI_SPEED_DIV128 (SPI_CR1_BR_2 | SPI_CR1_BR_1) /*!< BaudRate control equal to fPCLK/128 */
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#define SPI_SPEED_DIV256 (SPI_CR1_BR_2 | SPI_CR1_BR_1 | SPI_CR1_BR_0) /*!< BaudRate control equal to fPCLK/256 */
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#endif /* INCLUDE_DRIVERS_SPI_SPEED_H_ */
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