use functions in sys

src/sys.h

@@ -0,0 +1,92 @@
+typedef void (*handler)(void);
+extern handler vector[12];
+
+static inline const uint8_t *
+unique_device_id (void)
+{
+  const uint8_t * (*func) (void) = (const uint8_t * (*)(void))vector[0];
+
+  return (*func) ();
+}
+
+static inline void
+set_led (int on)
+{
+  void (*func) (int) = (void (*)(int))vector[1];
+
+  return (*func) (on);
+}
+
+static inline void
+flash_unlock (void)
+{
+  (*vector[2]) ();
+}
+
+static inline int
+flash_program_halfword (uint32_t addr, uint16_t data)
+{
+  int (*func) (uint32_t, uint16_t) = (int (*)(uint32_t, uint16_t))vector[3];
+
+  return (*func) (addr, data);
+}
+
+static inline int
+flash_erase_page (uint32_t addr)
+{
+  int (*func) (uint32_t) = (int (*)(uint32_t))vector[4];
+
+  return (*func) (addr);
+}
+
+static inline int
+flash_check_blank (const uint8_t *p_start, size_t size)
+{
+  int (*func) (const uint8_t *, int) = (int (*)(const uint8_t *, int))vector[5];
+
+  return (*func) (p_start, size);
+}
+
+static inline int
+flash_write (uint32_t dst_addr, const uint8_t *src, size_t len)
+{
+  int (*func) (uint32_t, const uint8_t *, size_t)
+    = (int (*)(uint32_t, const uint8_t *, size_t))vector[6];
+
+  return (*func) (dst_addr, src, len);
+}
+
+static inline int
+flash_protect (void)
+{
+  int (*func) (void) = (int (*)(void))vector[7];
+
+  return (*func) ();
+}
+
+static inline void __attribute__((noreturn))
+flash_mass_erase_and_exec (void)
+{
+  void (*func) (void) = (void (*)(void))vector[8];
+
+  (*func) ();
+  for (;;);
+}
+
+static inline void
+usb_lld_sys_init (void)
+{
+  (*vector[9]) ();
+}
+
+static inline void
+usb_lld_sys_shutdown (void)
+{
+  (*vector[10]) ();
+}
+
+static inline void
+nvic_system_reset (void)
+{
+  (*vector[11]) ();
+}