cmsis_dap.h

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/* SPDX-License-Identifier: GPL-2.0-or-later */
 
#ifndef OPENOCD_JTAG_DRIVERS_CMSIS_DAP_H
#define OPENOCD_JTAG_DRIVERS_CMSIS_DAP_H
 
#include <stdint.h>
 
struct cmsis_dap_backend;
struct cmsis_dap_backend_data;
struct command_registration;
 
struct cmsis_dap {
    struct cmsis_dap_backend_data *bdata;
    const struct cmsis_dap_backend *backend;
    uint16_t packet_size;
    int packet_count;
    uint8_t *packet_buffer;
    uint16_t packet_buffer_size;
    uint8_t *command;
    uint8_t *response;
    uint16_t caps;
    uint8_t mode;
    uint32_t swo_buf_sz;
    bool trace_enabled;
};
 
struct cmsis_dap_backend {
    const char *name;
    int (*open)(struct cmsis_dap *dap, uint16_t vids[], uint16_t pids[], const char *serial);
    void (*close)(struct cmsis_dap *dap);
    int (*read)(struct cmsis_dap *dap, int timeout_ms);
    int (*write)(struct cmsis_dap *dap, int len, int timeout_ms);
    int (*packet_buffer_alloc)(struct cmsis_dap *dap, unsigned int pkt_sz);
};
 
extern const struct cmsis_dap_backend cmsis_dap_hid_backend;
extern const struct cmsis_dap_backend cmsis_dap_usb_backend;
extern const struct command_registration cmsis_dap_usb_subcommand_handlers[];
 
#define REPORT_ID_SIZE   1
 
#endif