/* use fast word write. todo: half page. */
uint32_t val;
+
+#if 0 /* todo: check write operation */
+
uint32_t nwrites = sl->flash_pgsz;
redo_write:
+#endif /* todo: check write operation */
+
/* disable pecr protection */
write_uint32(sl->q_buf, 0x89abcdef);
stlink_write_mem32(sl, STM32L_FLASH_PEKEYR, sizeof(uint32_t));
if ((read_uint32(sl->q_buf, 0) & (1 << 0)) == 0) break ;
}
+#if 0 /* todo: check write operation */
+
/* check written bytes. todo: should be on a per page basis. */
stlink_read_mem32(sl, addr + off, sizeof(uint32_t));
if (memcmp(sl->q_buf, mf.base + off, sizeof(uint32_t)))
goto on_error;
}
- fprintf(stderr, "invalid write @%x(%x). retrying.\n", page, addr + off);
-
nwrites = 0;
/* assume addr aligned */
if (off % sl->flash_pgsz) off &= ~(sl->flash_pgsz - 1);
page = addr + off;
+ fprintf(stderr, "invalid write @%x(%x): %x != %x. retrying.\n",
+ page, addr + off, read_uint32(mf.base + off, 0), read_uint32(sl->q_buf, 0));
+
/* reset lock bits */
stlink_read_mem32(sl, STM32L_FLASH_PECR, sizeof(uint32_t));
val = read_uint32(sl->q_buf, 0) | (1 << 0) | (1 << 1) | (1 << 2);
/* increment successive writes counter */
++nwrites;
+
+#endif /* todo: check write operation */
+
}
/* reset lock bits */