diff options
Diffstat (limited to 'downloader/proto.txt')
| -rw-r--r-- | downloader/proto.txt | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/downloader/proto.txt b/downloader/proto.txt index 15caec7..0e35e1e 100644 --- a/downloader/proto.txt +++ b/downloader/proto.txt @@ -43,7 +43,7 @@ identify: 1 | len=3 | <csum> answer: - 1 | len=22 | <ret> | version | name | devid | fss | mess | supported | <csum> + 1 | len=19 | <ret> | version | name | devid | fs | fss | es | mess | supported | <csum> version: 2bytes, protocol version @@ -59,12 +59,20 @@ identify: 2bytes, device id of the PIC The downlaoder may use this id to check if it talks to the right bootloader + fs: + 2bytes, flash size + The size of the flash in code words. + fss: 1byte, flash segment size The number of words of one flash segment which has to be written at once. If less than <fss> should be updated the downloader has to perform a read operation first. + es: + 2bytes, eeprom size + The size of the eeprom in bytes. + mess: 1byte, maximum eeprom segment size This represents the maximum number of eeprom bytes which may be written or @@ -157,12 +165,12 @@ write eeprom: ~~~~~~~~~~~~~ command: - 7 | len=4+2<len(data) | addr | data | <csum> + 7 | len=4+len(data) | addr | data | <csum> answer: 7 | len=4 | <ret> | <csum> - The bootloader writes <data> (which has to contain exactly <len> bytes) to address + The bootloader writes <data> (which has to contain exactly <len>-4 bytes) to address <addr> inside the eeprom. len is 1byte long and the value must not exceed <mess> bytes. |