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correct cdc host app

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This commit is contained in:
hathach 2022-12-21 12:25:13 +07:00
parent 22b62f8712
commit badb30a6c3
2 changed files with 13 additions and 7 deletions
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17
examples/host/cdc_msc_hid/src/cdc_app.c
View File

@ -52,26 +52,31 @@ size_t get_console_inputs(uint8_t* buf, size_t bufsize)
void cdc_app_task(void)
{
uint8_t buf[64+1]; // +1 for extra null character
memset(buf, 0, sizeof(buf));
uint32_t const bufsize = sizeof(buf)-1;
size_t count = get_console_inputs(buf, sizeof(buf)-1);
uint32_t console_count = get_console_inputs(buf, bufsize);
buf[console_count] = 0;
// loop over all mounted interfaces
for(size_t idx=0; idx<CFG_TUH_CDC; idx++)
for(uint8_t idx=0; idx<CFG_TUH_CDC; idx++)
{
if ( tuh_cdc_mounted(idx) )
{
// console --> cdc interfaces
if (count)
if (console_count)
{
tuh_cdc_write(idx, buf, count);
tuh_cdc_write(idx, buf, console_count);
tuh_cdc_write_flush(idx);
}
// cdc interfaces -> console
if ( tuh_cdc_read_available(idx) )
{
printf((char*) buf);
uint8_t buf_cdc[64+1];
uint32_t cdc_count = tuh_cdc_read(idx, buf_cdc, sizeof(buf_cdc)-1);
buf_cdc[cdc_count] = 0;
printf((char*) buf_cdc);
}
}
}

3
src/class/cdc/cdc_host.c
View File

@ -459,7 +459,8 @@ bool cdch_xfer_cb(uint8_t daddr, uint8_t ep_addr, xfer_result_t event, uint32_t
}
else if ( ep_addr == p_cdc->stream.rx.ep_addr )
{
tu_edpt_stream_read_xfer_complete(&p_cdc->stream.rx, xferred_bytes);
// skip if ZLP
if (xferred_bytes) tu_edpt_stream_read_xfer_complete(&p_cdc->stream.rx, xferred_bytes);
// invoke receive callback