diff options
Diffstat (limited to 'os/hal/ports/KINETIS/K20x/spi_lld.h')
| -rw-r--r-- | os/hal/ports/KINETIS/K20x/spi_lld.h | 40 |
1 files changed, 6 insertions, 34 deletions
diff --git a/os/hal/ports/KINETIS/K20x/spi_lld.h b/os/hal/ports/KINETIS/K20x/spi_lld.h index 5ab97116e..97588b3a3 100644 --- a/os/hal/ports/KINETIS/K20x/spi_lld.h +++ b/os/hal/ports/KINETIS/K20x/spi_lld.h @@ -101,10 +101,6 @@ typedef struct { spicallback_t end_cb;
/* End of the mandatory fields.*/
/**
- * @brief The PCS chip select lines.
- */
- uint8_t pcs;
- /**
* @brief The chip select line port - when not using pcs.
*/
ioportid_t ssport;
@@ -151,25 +147,21 @@ struct SPIDriver { */
SPI_TypeDef *spi;
/**
- * @brief Number of bytes of data to transfer.
+ * @brief Number of bytes/words of data to transfer.
*/
- size_t nbytes;
+ size_t count;
/**
- * @brief Pointer to the buffer with data to send.
+ * @brief Word size in bytes.
*/
- const uint8_t *txbuf;
+ size_t word_size;
/**
- * @brief Current index in buffer when sending data.
+ * @brief Pointer to the buffer with data to send.
*/
- size_t txidx;
+ const uint8_t *txbuf;
/**
* @brief Pointer to the buffer to put received data.
*/
uint8_t *rxbuf;
- /**
- * @brief Current index in buffer when receiving data.
- */
- size_t rxidx;
};
/*===========================================================================*/
@@ -205,26 +197,6 @@ struct SPIDriver { #define KINETIS_SPI_TAR0_DEFAULT KINETIS_SPI_TAR_SYSCLK_DIV_2(8)
#define KINETIS_SPI_TAR1_DEFAULT KINETIS_SPI_TAR_SYSCLK_DIV_2(8)
-/*
- * A mask of the slave select lines to be managed by KINETIS DSPI.
- *
- * These values are mapped to real ports and pins by selecting
- * PAL_MODE_ALTERNATIVE_2 as the pin mode. Multiple values may
- * be ORed together to select multiple outputs. This can be used with an
- * external multiplexor to increase the number of slave selects.
- *
- * If KINETIS_SPI_PCS_NONE is selected for the configuration pcs field
- * then the configuration ssport and sspad values are used to control the
- * slave select directly and the KINETIS DSPI managed select is not used.
- */
-#define KINETIS_SPI_PCS_NONE 0x00
-#define KINETIS_SPI_PCS0 0x01
-#define KINETIS_SPI_PCS1 0x02
-#define KINETIS_SPI_PCS2 0x04
-#define KINETIS_SPI_PCS3 0x08
-#define KINETIS_SPI_PCS4 0x10
-#define KINETIS_SPI_PCS_ALL 0x1F
-
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
|