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nrf52 cdc example work on nrf52840pdk

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- add tud_cdc_flush(), auto flush with sof is enabled by default.
-
This commit is contained in:
hathach
2018-03-20 18:33:06 +07:00
parent 7a628f4dfc
commit 2f0fcf80e0
4 changed files with 64 additions and 28 deletions
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20
tinyusb/class/cdc/cdc_device.c
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@@ -280,18 +280,24 @@ tusb_error_t cdcd_xfer_cb(uint8_t port, uint8_t ep_addr, tusb_event_t event, uin
return TUSB_ERROR_NONE;
}
void cdcd_sof(uint8_t port)
bool tud_n_cdc_flush (uint8_t port)
{
if ( !tud_n_cdc_connected(port) ) return;
VERIFY( tud_n_cdc_connected(port) );
uint8_t edpt = cdcd_data[port].ep_addr[CDC_PIPE_DATA_IN];
if ( !tusb_dcd_edpt_busy(port, edpt) )
{
uint16_t count = fifo_read_n(&_tx_ff, _tmp_tx_buf, sizeof(_tmp_tx_buf));
VERIFY( !tusb_dcd_edpt_busy(port, edpt) );
TU_ASSERT( tusb_dcd_edpt_xfer(port, edpt, _tmp_tx_buf, count, false), TUSB_ERROR_DCD_EDPT_XFER);
}
uint16_t count = fifo_read_n(&_tx_ff, _tmp_tx_buf, sizeof(_tmp_tx_buf));
TU_ASSERT( tusb_dcd_edpt_xfer(port, edpt, _tmp_tx_buf, count, false) );
return true;
}
void cdcd_sof(uint8_t port)
{
tud_n_cdc_flush(port);
}
#endif