25 lines
784 B
C
25 lines
784 B
C
#include "hardware/spi.h"
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#define SPI_BUSY 1
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#define SPI_IDLE 0
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#define SPI_SUCCESS 0
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#define SPI_IN_PROGRESS 1
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#define SPI_FAILED 2
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#define SPI_ERR_TRANSMIT_FIFO_FULL -1
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#define SPI_OK 0
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#define PIN_CS 1
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int spi_nb_busy(spi_inst_t * spi);
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void spi_nb_flush_recieve_fifo(spi_inst_t * spi);
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int spi_nb_write_byte(spi_inst_t * spi, uint16_t data);
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int spi_nb_write_data(spi_inst_t * spi, uint16_t * buffer, uint8_t size);
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uint8_t spi_nb_read_data_8bits(spi_inst_t * spi, uint8_t * buffer);
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int spi_nb_read_register_8bits(spi_inst_t * spi, uint16_t spi_slave_register, uint8_t *buffer, uint8_t nb_data_to_read);
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int spi_read_register(spi_inst_t * spi, uint16_t spi_slave_register, uint8_t *buffer, uint8_t nb_to_read);
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void cs_select(void);
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void cs_deselect(void);
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void spi_test(); |