add way to calculate the actual byte transferred with ehci

add come callback for cdch add code for cdc serial demo
2013-07-02 17:20:25 +07:00
parent 6ce90e2bd8
commit e1ad7b62cf
5 changed files with 50 additions and 5 deletions
--- a/tinyusb/host/ehci/ehci.c
+++ b/tinyusb/host/ehci/ehci.c
@@ -938,6 +938,7 @@ static void qtd_init(ehci_qtd_t* p_qtd, uint32_t data_ptr, uint16_t total_bytes)
  p_qtd->cerr                = 3; // TODO 3 consecutive errors tolerance
  p_qtd->data_toggle         = 0;
  p_qtd->total_bytes         = total_bytes;
+  p_qtd->expected_bytes      = total_bytes;

  p_qtd->buffer[0]           = data_ptr;
  for(uint8_t i=1; i<5; i++)