36 lines
605 B
C
36 lines
605 B
C
#ifndef SPI_DMA_H
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#define SPI_DMA_H
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#include "ch32v003fun.h"
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typedef enum {
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IDLE,
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TRANSMITTING,
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RECEIVING,
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TX_DONE,
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RX_DONE
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} transfer_state_t;
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// SPI DMA initialization function
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void init_spidma(void);
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// SPI DMA buffer read
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void spidma_read_buffer(uint8_t *buf, uint16_t len);
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// SPI DMA buffer write
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void spidma_write_buffer(uint8_t *buf, uint16_t len);
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// // SPI (non-DMA) byte read
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// uint8_t spi_read_byte();
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// // SPI (non-DMA) byte write
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// void spi_write_byte(uint8_t byte);
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// activate CS
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void spi_select(void);
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// deactivate CS
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void spi_unselect(void);
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#endif // SPI_DMA_H
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