diff options
| author | Keith Packard <keithp@keithp.com> | 2018-01-07 21:44:39 -0800 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2018-01-07 21:44:39 -0800 |
| commit | 48d164e3d4b2ef27fae20fae63b8014803a7b178 (patch) | |
| tree | c0dc65ded8300299b862870f5eabf83d9a36455f /src/stmf0/ao_arch_funcs.h | |
| parent | db7f7c6c7f956058250b8057c6c27284f6f22e53 (diff) | |
altos/stmf0: Use double buffering for ChaosKey
This improves the USB performance of ChaosKey so that it doesn't NAK
during data transfers at all.
Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'src/stmf0/ao_arch_funcs.h')
| -rw-r--r-- | src/stmf0/ao_arch_funcs.h | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/src/stmf0/ao_arch_funcs.h b/src/stmf0/ao_arch_funcs.h index 01d51f90..56a3bc75 100644 --- a/src/stmf0/ao_arch_funcs.h +++ b/src/stmf0/ao_arch_funcs.h @@ -488,14 +488,17 @@ static inline void ao_arch_start_scheduler(void) { /* ao_usb_stm.c */ #if AO_USB_DIRECTIO -uint16_t * -ao_usb_alloc(void); +uint8_t +ao_usb_alloc(uint16_t *buffers[2]); -void -ao_usb_write(uint16_t *buffer, uint16_t len); +uint8_t +ao_usb_alloc2(uint16_t *buffers[2]); -void -ao_usb_write2(uint16_t *buffer, uint16_t len); +uint8_t +ao_usb_write(uint16_t len); + +uint8_t +ao_usb_write2(uint16_t len); #endif /* AO_USB_DIRECTIO */ #endif /* _AO_ARCH_FUNCS_H_ */ |