70 lines
1.6 KiB
C
70 lines
1.6 KiB
C
|
#ifndef BB_SPI_H_
|
||
|
|
#define BB_SPI_H_
|
||
|
|
|
||
|
|
#include <stdint.h>
|
||
|
|
|
||
|
|
enum spi_state {
|
||
|
|
SS_UNCONFIGURED = 0,
|
||
|
|
SS_SINGLE,
|
||
|
|
SS_DUAL_RX,
|
||
|
|
SS_DUAL_TX,
|
||
|
|
SS_QUAD_RX,
|
||
|
|
SS_QUAD_TX,
|
||
|
|
SS_HARDWARE,
|
||
|
|
};
|
||
|
|
|
||
|
|
enum spi_type {
|
||
|
|
ST_UNCONFIGURED,
|
||
|
|
ST_SINGLE,
|
||
|
|
ST_DUAL,
|
||
|
|
ST_QUAD,
|
||
|
|
ST_QPI,
|
||
|
|
};
|
||
|
|
|
||
|
|
enum spi_pin {
|
||
|
|
SP_MOSI,
|
||
|
|
SP_MISO,
|
||
|
|
SP_HOLD,
|
||
|
|
SP_WP,
|
||
|
|
SP_CS,
|
||
|
|
SP_CLK,
|
||
|
|
SP_D0,
|
||
|
|
SP_D1,
|
||
|
|
SP_D2,
|
||
|
|
SP_D3,
|
||
|
|
};
|
||
|
|
|
||
|
|
struct ff_spi;
|
||
|
|
|
||
|
|
void spiPause(struct ff_spi *spi);
|
||
|
|
void spiBegin(struct ff_spi *spi);
|
||
|
|
void spiEnd(struct ff_spi *spi);
|
||
|
|
|
||
|
|
//void spiSingleTx(struct ff_spi *spi, uint8_t out);
|
||
|
|
//uint8_t spiSingleRx(struct ff_spi *spi);
|
||
|
|
//void spiDualTx(struct ff_spi *spi, uint8_t out);
|
||
|
|
//void spiQuadTx(struct ff_spi *spi, uint8_t out);
|
||
|
|
void spiCommand(struct ff_spi *spi, uint8_t cmd);
|
||
|
|
//uint8_t spiDualRx(struct ff_spi *spi);
|
||
|
|
//uint8_t spiQuadRx(struct ff_spi *spi);
|
||
|
|
int spiTx(struct ff_spi *spi, uint8_t word);
|
||
|
|
uint8_t spiRx(struct ff_spi *spi);
|
||
|
|
uint8_t spiReadSr(struct ff_spi *spi, int sr);
|
||
|
|
void spiWriteSr(struct ff_spi *spi, int sr, uint8_t val);
|
||
|
|
int spiSetType(struct ff_spi *spi, enum spi_type type);
|
||
|
|
int spiRead(struct ff_spi *spi, uint32_t addr, uint8_t *data, unsigned int count);
|
||
|
|
//int spi_wait_for_not_busy(struct ff_spi *spi);
|
||
|
|
int spiWrite(struct ff_spi *spi, uint32_t addr, const uint8_t *data, unsigned int count);
|
||
|
|
uint8_t spiReset(struct ff_spi *spi);
|
||
|
|
int spiInit(struct ff_spi *spi);
|
||
|
|
|
||
|
|
void spiHold(struct ff_spi *spi);
|
||
|
|
void spiUnhold(struct ff_spi *spi);
|
||
|
|
void spiSwapTxRx(struct ff_spi *spi);
|
||
|
|
|
||
|
|
struct ff_spi *spiAlloc(void);
|
||
|
|
void spiSetPin(struct ff_spi *spi, enum spi_pin pin, int val);
|
||
|
|
void spiFree(struct ff_spi **spi);
|
||
|
|
|
||
|
|
#endif /* BB_SPI_H_ */
|