Revision 27:d0b91bdc2f52, committed 2017-10-06

Comitter:

mbed_official

Date:

Fri Oct 06 03:00:39 2017 +0100

Parent:

26:bc66fc02f3ef

Child:

28:eb466f6f50a1

Commit message:

Print percent done to increase speed

Print percent done and only print it when the percent has changed.
This greatly increases flashing speed on devices with small page
size, such as the K64F with a reported page size of 24 bytes.

.
Commit copied from https://github.com/ARMmbed/mbed-os-example-bootloader

Changed in this revision

--- a/main.cpp	Mon Oct 02 17:15:30 2017 +0100
+++ b/main.cpp	Fri Oct 06 03:00:39 2017 +0100
@@ -53,6 +53,7 @@
     uint32_t next_sector = addr + flash.get_sector_size(addr);
     bool sector_erased = false;
     size_t pages_flashed = 0;
+    uint32_t percent_done = 0;
     while (true) {
 
         // Read data for this page
@@ -78,9 +79,15 @@
         }
 
         if (++pages_flashed % 3 == 0) {
-            printf("Flashed %ld / %ld bytes\r\n", ftell(file), len);
+            uint32_t percent_done_new = ftell(file) * 100 / len;
+            if (percent_done != percent_done_new) {
+                percent_done = percent_done_new;
+                printf("Flashed %3ld%%\r", percent_done);
+            }
         }
     }
+    printf("Flashed 100%%\r\n", ftell(file), len);
+
     delete[] page_buffer;
 
     flash.deinit();