esp_sdr.h

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/*
 * SPDX-License-Identifier: GPL-3.0-or-later
 */

 
#ifndef ESP_SDR_ESP_SDR_H_
#define ESP_SDR_ESP_SDR_H_
 
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
 
#ifdef __cplusplus
extern "C" {
#endif


#define ESP_SDR_FREQ_MIN_MHZ 100U
#define ESP_SDR_FREQ_MAX_MHZ 6000U

#define ESP_SDR_SAMPLES_MIN 256U
#define ESP_SDR_SAMPLES_MAX 16380U

#if defined(CONFIG_ESP_SDR_BANK1)
#define ESP_SDR_BANKS 2
#else
#define ESP_SDR_BANKS 1
#endif

#ifndef ESP_SDR_HIGH_RAM
#define ESP_SDR_HIGH_RAM __attribute__((section(".esp_sdr_high")))
#endif

#ifndef ESP_SDR_HIGH_BUF_DEFINE
#define ESP_SDR_HIGH_BUF_DEFINE(type, name, dims, align)                                          \
        static type name dims __aligned(align) ESP_SDR_HIGH_RAM
#endif

#ifndef ESP_SDR_HIGH_STACK_DEFINE
#define ESP_SDR_HIGH_STACK_DEFINE(name, size)                                                     \
        static Z_KERNEL_STACK_DEFINE_IN(name, size, ESP_SDR_HIGH_RAM)
#endif

enum esp_sdr_rate {
        ESP_SDR_RATE_80MSPS = 0,
        ESP_SDR_RATE_40MSPS = 1,
        ESP_SDR_RATE_20MSPS = 2,
        ESP_SDR_RATE_10MSPS = 3,
        ESP_SDR_RATE_8MSPS = 4,
        ESP_SDR_RATE_4MSPS = 5,
        ESP_SDR_RATE_16MSPS = 6,
};

struct esp_sdr_iq16 {
        int16_t i;
        int16_t q;
};

int esp_sdr_init(void);

int esp_sdr_set_freq(uint32_t mhz);

uint32_t esp_sdr_get_freq(void);

int esp_sdr_set_freq_offset(int32_t khz);

int esp_sdr_set_channel_bw(unsigned int cbw);

struct esp_sdr_stats {
        uint32_t dac_sessions, gain_refreshed, gain_apply_us;
};

void esp_sdr_get_stats(struct esp_sdr_stats *stats);

int esp_sdr_bbtop_read(unsigned int reg);
void esp_sdr_bbtop_write(unsigned int reg, unsigned int val);

int esp_sdr_set_turnaround(uint32_t settle_us, bool retune);

 
#ifdef __cplusplus
}
#endif
 
#include <esp_sdr/esp_sdr_rx.h>
#include <esp_sdr/esp_sdr_tx.h>
 
#endif /* ESP_SDR_ESP_SDR_H_ */