--- /dev/null
+#ifndef STLINK_BACKEND_H_
+#define STLINK_BACKEND_H_
+
+ typedef struct _stlink_backend {
+ void (*close) (stlink_t * sl);
+ int (*exit_debug_mode) (stlink_t * sl);
+ int (*enter_swd_mode) (stlink_t * sl);
+ int (*enter_jtag_mode) (stlink_t * stl);
+ int (*exit_dfu_mode) (stlink_t * stl);
+ int (*core_id) (stlink_t * stl);
+ int (*reset) (stlink_t * stl);
+ int (*jtag_reset) (stlink_t * stl, int value);
+ int (*run) (stlink_t * stl);
+ int (*status) (stlink_t * stl);
+ int (*version) (stlink_t *sl);
+ int (*read_debug32) (stlink_t *sl, uint32_t addr, uint32_t *data);
+ int (*read_mem32) (stlink_t *sl, uint32_t addr, uint16_t len);
+ int (*write_debug32) (stlink_t *sl, uint32_t addr, uint32_t data);
+ int (*write_mem32) (stlink_t *sl, uint32_t addr, uint16_t len);
+ int (*write_mem8) (stlink_t *sl, uint32_t addr, uint16_t len);
+ int (*read_all_regs) (stlink_t *sl, reg * regp);
+ int (*read_reg) (stlink_t *sl, int r_idx, reg * regp);
+ int (*read_all_unsupported_regs) (stlink_t *sl, reg *regp);
+ int (*read_unsupported_reg) (stlink_t *sl, int r_idx, reg *regp);
+ int (*write_unsupported_reg) (stlink_t *sl, uint32_t value, int idx, reg *regp);
+ int (*write_reg) (stlink_t *sl, uint32_t reg, int idx);
+ int (*step) (stlink_t * stl);
+ int (*current_mode) (stlink_t * stl);
+ int (*force_debug) (stlink_t *sl);
+ int32_t (*target_voltage) (stlink_t *sl);
+ } stlink_backend_t;
+
+#endif /* STLINK_BACKEND_H_ */