mirror/tinyusb
3
0
Fork 0
mirror of https://github.com/hathach/tinyusb.git synced 2026-02-04 16:25:32 +00:00
Code Issues Packages Projects Releases Wiki Activity

tusb: fix stream write logic without fifo

Browse Source 
Signed-off-by: HiFiPhile <admin@hifiphile.com>
This commit is contained in:
HiFiPhile
2025-12-13 13:54:53 +01:00
parent 54857210e6
commit 8c5adcefbf
1 changed files with 6 additions and 14 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
src/tusb.c
View File

@ -411,27 +411,19 @@ uint32_t tu_edpt_stream_write_xfer(tu_edpt_stream_t *s) {
}
uint32_t tu_edpt_stream_write(tu_edpt_stream_t *s, const void *buffer, uint32_t bufsize) {
TU_VERIFY(bufsize > 0);
#if CFG_TUSB_EDPT_STREAM_NO_FIFO_ENABLED
if (0 == tu_fifo_depth(&s->ff)) {
// non-fifo mode
// non-fifo mode: TX need ep buffer
TU_VERIFY(s->ep_buf != NULL, 0);
TU_VERIFY(stream_claim(s), 0);
uint32_t xact_len;
if (s->ep_buf != NULL) {
// using ep buf
xact_len = tu_min32(bufsize, s->ep_bufsize);
memcpy(s->ep_buf, buffer, xact_len);
} else {
// using hwfifo
xact_len = bufsize;
}
TU_ASSERT(stream_xfer(s, (uint16_t)xact_len), 0);
uint32_t xact_len = tu_min32(bufsize, s->ep_bufsize);
memcpy(s->ep_buf, buffer, xact_len);
TU_ASSERT(stream_xfer(s, (uint16_t) xact_len), 0);
return xact_len;
} else
#endif
{
TU_VERIFY(bufsize > 0);
const uint16_t ret = tu_fifo_write_n(&s->ff, buffer, (uint16_t) bufsize);
// flush if fifo has more than packet size or