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#include <rtthread.h>
#include <rtdevice.h>
#include <rthw.h>
#ifndef __DRV_SPIM_H_
#define __DRV_SPIM_H_
#ifdef BSP_USING_SPIM
#include "nrfx_spim.h"
#include "nrf_spi.h"
#include "rtconfig.h"
struct spi_dma_message
{
rt_base_t cs_pin;
unsigned cs_take;
unsigned cs_release;
#if NRFX_CHECK(NRFX_SPIM_EXTENDED_ENABLED)
bool use_hw_ss;
#endif
bool ss_active_high;
struct rt_completion *cpt;
uint32_t flags;
NRF_SPIM_Type* spim;
};
/**
* @brief Attach the spi device to SPIM bus, this function must be used after initialization.
* @param bus_name spim bus name "spim0"/"spim1"/"spim2"/"spim3"
* @param device_name spim device name "spim0x"/"spim1x"/"spim2x"/"spim3x"
* @param ss_pin spim ss pin number
* @retval -RT_ERROR / RT_EOK
*/
rt_err_t rt_hw_spim_device_attach(const char *bus_name, const char *device_name, rt_uint32_t ss_pin);
/* SPIM bus config */
#ifdef BSP_USING_SPIM0
#define NRFX_SPIM0_CONFIG \
{ \
.bus_name = "spim0", \
.spi = NRFX_SPIM_INSTANCE(0) \
}
#endif
#ifdef BSP_USING_SPIM1
#define NRFX_SPIM1_CONFIG \
{ \
.bus_name = "spim1", \
.spi = NRFX_SPIM_INSTANCE(1) \
}
#endif
#ifdef BSP_USING_SPIM2
#define NRFX_SPIM2_CONFIG \
{ \
.bus_name = "spim2", \
.spi = NRFX_SPIM_INSTANCE(2) \
}
#endif
#ifdef BSP_USING_SPIM3
#define NRFX_SPIM3_CONFIG \
{ \
.bus_name = "spim3", \
.spi = NRFX_SPIM_INSTANCE(3) \
}
#endif
struct nrfx_drv_spim_config
{
char *bus_name;
nrfx_spim_t spi;
};
struct nrfx_drv_spim
{
nrfx_spim_t spim; /* nrfx spim driver instance. */
nrfx_spim_config_t spim_config; /* nrfx spim config Configuration */
struct rt_spi_configuration *cfg;
struct rt_spi_bus spim_bus;
};
struct nrfx_drv_spim_pin_config
{
rt_uint8_t sck_pin;
rt_uint8_t mosi_pin;
rt_uint8_t miso_pin;
rt_uint8_t ss_pin;
};
#endif /* BSP_USING_SPIM */
#endif /* __DRV_SPIM_H_ */
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