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Limit usb_serial packets to 32 bytes. It's unclear why this is needed, but usb serial packets larger than 96 bytes seem to never be sent.

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Thanks to Amaury Pouly for investigating this


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@22285 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Frank Gevaerts 2009-08-12 20:35:01 +00:00
parent e783d0c82a
commit f10a3c7bed
1 changed files with 3 additions and 0 deletions
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3
firmware/usbstack/usb_serial.c
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@ -158,6 +158,9 @@ void usb_serial_disconnect(void)
static void sendout(void)
{
buffer_transitlength = MIN(buffer_length,BUFFER_SIZE-buffer_start);
/* For unknown reasons packets larger than 96 bytes are not sent. We play
* safe and limit to 32. TODO: find the real bug */
buffer_transitlength = MIN(buffer_transitlength,32);
if(buffer_transitlength > 0)
{
buffer_length -= buffer_transitlength;