stm32_tdm.h

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/***************************************************************************/
#ifndef STM32_TDM_H_
#define STM32_TDM_H_
 
#include <stdint.h>
#include "no_os_tdm.h"
#include "stm32_hal.h"
#include "no_os_irq.h"

enum stm32_tdm_synchonous {
    ASYNCHRONOUS,
    INTERNAL_SYNC,
    EXTERNAL_SYNC
};

struct stm32_tdm_init_param {
    SAI_Block_TypeDef *base;
    enum stm32_tdm_synchonous synchronous;
    //struct no_os_irq_ctrl_desc *nvic;
};

struct stm32_tdm_desc {
    SAI_HandleTypeDef hsai;
    struct no_os_irq_ctrl_desc *nvic_rx_halfcplt;
    struct no_os_irq_ctrl_desc *nvic_rxcplt;
    struct no_os_callback_desc rx_half_callback;
    struct no_os_callback_desc rx_callback;
};

extern const struct no_os_tdm_platform_ops stm32_tdm_platform_ops;
 
 
/* Initialize the TDM communication peripheral. */
int32_t stm32_tdm_init(struct no_os_tdm_desc **desc,
               const struct no_os_tdm_init_param *param);
 
/* Free the resources allocated by stm32_tdm_init(). */
int32_t stm32_tdm_remove(struct no_os_tdm_desc *desc);
 
/* Write and read data to/from TDM. */
int32_t stm32_tdm_read(struct no_os_tdm_desc *desc, void *data,
               uint16_t bytes_number);
 
/* Stop TDM DMA Data transfer */
int32_t stm32_stop_tdm_transfer(struct no_os_tdm_desc *desc);
 
/* Pause TDM DMA Data transfer */
int32_t stm32_pause_tdm_transfer(struct no_os_tdm_desc *desc);
 
/* Resume TDM DMA Data transfer */
int32_t stm32_resume_tdm_transfer(struct no_os_tdm_desc *desc);
 
 
#endif // STM32_TDM_H_