Files
ch32v203-eth-node/include/spi_dma.h
kuwoyuki ec9dcc76f7 feat: SPI DMA
Squashed commit of the following:

commit c3e1f696b4fbafb6dd30c6934e4c7c181562e055
Author: kuwoyuki <kuwoyuki@cock.li>
Date:   Sat Oct 12 20:43:12 2024 +0600

    chore: spi dma

commit d1e7df60be3e06ed85ce8639516e299085d3c72b
Author: kuwoyuki <kuwoyuki@cock.li>
Date:   Sat Oct 12 15:14:11 2024 +0600

    static dummies

commit 81682428b471f825e3350e37aa74c373b46d4fef
Author: kuwoyuki <kuwoyuki@cock.li>
Date:   Sat Oct 12 14:45:39 2024 +0600

    dma works?

commit 150c97a4b566712a502d8a2861a2dc0864324d61
Author: kuwoyuki <kuwoyuki@cock.li>
Date:   Sat Oct 12 02:07:39 2024 +0600

    dma?
2024-10-12 20:43:38 +06:00

36 lines
593 B
C

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