diff options
| author | Keith Packard <keithp@keithp.com> | 2018-05-06 21:09:22 -0700 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2018-05-07 09:21:56 -0700 |
| commit | b15549d8c5277ba3aa425e232473a17dc136e5a4 (patch) | |
| tree | 0287aabf870f45cfe9afa5a848ae101494218d8e /src | |
| parent | 8efe0d40deded973f08f63eb650a036f9e24d2fb (diff) | |
altos/stmf0: Toggle IN2 SW_BUF bit when sending data
This tells the hardware we're done writing data to the second input
buffer and allows it to be switched from NAK to VALID.
Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/stmf0/ao_usb_stm.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/stmf0/ao_usb_stm.c b/src/stmf0/ao_usb_stm.c index 483d2419..3d227f20 100644 --- a/src/stmf0/ao_usb_stm.c +++ b/src/stmf0/ao_usb_stm.c @@ -1132,6 +1132,9 @@ _ao_usb_in2_send(void) /* Toggle our usage */ ao_usb_in_tx2_which = 1 - ao_usb_in_tx2_which; + /* Toggle the SW_BUF flag */ + _ao_usb_toggle_dtog(AO_USB_IN2_EPR, 1, 0); + /* Mark the outgoing buffer as valid */ _ao_usb_set_stat_tx(AO_USB_IN2_EPR, STM_USB_EPR_STAT_TX_VALID); |