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drivers/spi: made conf and speed types overridable

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This commit is contained in:
Hauke Petersen 2016-03-09 17:59:25 +01:00
parent 1c260c2228
commit 49ac533eba
1 changed files with 10 additions and 0 deletions
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10
drivers/include/periph/spi.h
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@ -27,6 +27,7 @@
#include <stdint.h>
#include "periph_cpu.h"
#include "periph_conf.h"
#ifdef __cplusplus
@ -57,7 +58,9 @@ typedef enum {
/**
* @brief The SPI mode is defined by the four possible combinations of clock polarity and
* clock phase.
* @{
*/
#ifndef HAVE_SPI_CONF_T
typedef enum {
/**
* The first data bit is sampled by the receiver on the first SCK edge. The
@ -84,13 +87,18 @@ typedef enum {
*/
SPI_CONF_SECOND_FALLING = 3
} spi_conf_t;
#endif
/** @} */
/**
* @brief Define a set of pre-defined SPI clock speeds.
*
* The actual speed of the bus can vary to some extend, as the combination of CPU clock and
* available prescale values on certain platforms may not make the exact values possible.
*
* @{
*/
#ifndef HAVE_SPI_SPEED_T
typedef enum {
SPI_SPEED_100KHZ = 0, /**< drive the SPI bus with 100KHz */
SPI_SPEED_400KHZ, /**< drive the SPI bus with 400KHz */
@ -98,6 +106,8 @@ typedef enum {
SPI_SPEED_5MHZ, /**< drive the SPI bus with 5MHz */
SPI_SPEED_10MHZ /**< drive the SPI bus with 10MHz */
} spi_speed_t;
#endif
/** @} */
/**
* @brief Initialize the given SPI device to work in master mode