ppi_seq_i2c_spi.h

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/*
 * Copyright (c) 2026 Nordic Semiconductor ASA
 *
 * SPDX-License-Identifier: LicenseRef-Nordic-5-Clause
 */
 
#ifndef NRF_DRIVERS_PPI_SEQ_PPI_SEQ_I2C_SPI_H
#define NRF_DRIVERS_PPI_SEQ_PPI_SEQ_I2C_SPI_H
 
#include <string.h>
#include <nrfx_spim.h>
#include <nrfx_twim.h>
#include <drivers/ppi_seq/ppi_seq.h>
#include <zephyr/device.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
union ppi_seq_i2c_spi_xfer_desc {
        nrfx_spim_xfer_desc_t spim;
 
        nrfx_twim_xfer_desc_t twim;
};
 
struct ppi_seq_i2c_spi_batch {
        union ppi_seq_i2c_spi_xfer_desc desc;
 
        uint8_t batch_cnt;
};
 
/* Forward declaration. */
struct ppi_seq_i2c_spi;
 
typedef void (*ppi_seq_i2c_spi_cb_t)(const struct device *dev, struct ppi_seq_i2c_spi_batch *batch,
                                     bool last, void *user_data);
 
struct ppi_seq_i2c_spi_job {
        union ppi_seq_i2c_spi_xfer_desc desc;
 
        uint8_t *tx_second_buf;
 
        uint8_t *rx_second_buf;
 
        uint8_t batch_cnt;
 
        size_t repeat;
 
        bool tx_postinc;
 
        ppi_seq_i2c_spi_cb_t cb;
 
        void *user_data;
};
 
int ppi_seq_i2c_spi_start(const struct device *dev, size_t period, struct ppi_seq_i2c_spi_job *job);
 
int ppi_seq_i2c_spi_stop(const struct device *dev, bool immediate);
 
int ppi_seq_i2c_spi_xfer(const struct device *dev, union ppi_seq_i2c_spi_xfer_desc *desc);
 
#ifdef __cplusplus
}
#endif
 
#endif /* NRF_DRIVERS_PPI_SEQ_PPI_SEQ_I2C_SPI_H */