diff options
| -rw-r--r-- | util/stm32mon.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/util/stm32mon.c b/util/stm32mon.c index b9896a00c0..c4c5de4fbf 100644 --- a/util/stm32mon.c +++ b/util/stm32mon.c @@ -858,6 +858,12 @@ int write_flash(int fd, struct stm32_def *chip, const char *filename, } fclose(hnd); + /* faster write: skip empty trailing space */ + while (res && buffer[res - 1] == 0xff) + res--; + /* ensure 'res' is multiple of 4 given 'size' is and res <= size */ + res = (res + 3) & ~3; + printf("Writing %d bytes at 0x%08x\n", res, offset); written = command_write_mem(fd, offset, res, buffer); if (written != res) { |