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cdc_device : save rhport.

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This commit is contained in:
HiFiPhile
2024-04-12 01:14:30 +02:00
parent fc91e15488
commit 8b4ca69e56
1 changed files with 8 additions and 10 deletions
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18
src/class/cdc/cdc_device.c
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@@ -47,6 +47,7 @@
typedef struct
{
uint8_t rhport;
uint8_t itf_num;
uint8_t ep_notif;
uint8_t ep_in;
@@ -84,7 +85,6 @@ CFG_TUD_MEM_SECTION tu_static cdcd_interface_t _cdcd_itf[CFG_TUD_CDC];
static bool _prep_out_transaction (cdcd_interface_t* p_cdc)
{
uint8_t const rhport = 0;
uint16_t available = tu_fifo_remaining(&p_cdc->rx_ff);
// Prepare for incoming data but only allow what we can store in the ring buffer.
@@ -94,18 +94,18 @@ static bool _prep_out_transaction (cdcd_interface_t* p_cdc)
TU_VERIFY(available >= sizeof(p_cdc->epout_buf));
// claim endpoint
TU_VERIFY(usbd_edpt_claim(rhport, p_cdc->ep_out));
TU_VERIFY(usbd_edpt_claim(p_cdc->rhport, p_cdc->ep_out));
// fifo can be changed before endpoint is claimed
available = tu_fifo_remaining(&p_cdc->rx_ff);
if ( available >= sizeof(p_cdc->epout_buf) )
{
return usbd_edpt_xfer(rhport, p_cdc->ep_out, p_cdc->epout_buf, sizeof(p_cdc->epout_buf));
return usbd_edpt_xfer(p_cdc->rhport, p_cdc->ep_out, p_cdc->epout_buf, sizeof(p_cdc->epout_buf));
}else
{
// Release endpoint since we don't make any transfer
usbd_edpt_release(rhport, p_cdc->ep_out);
usbd_edpt_release(p_cdc->rhport, p_cdc->ep_out);
return false;
}
@@ -135,7 +135,6 @@ void tud_cdc_n_set_wanted_char (uint8_t itf, char wanted)
_cdcd_itf[itf].wanted_char = wanted;
}
//--------------------------------------------------------------------+
// READ API
//--------------------------------------------------------------------+
@@ -194,23 +193,21 @@ uint32_t tud_cdc_n_write_flush (uint8_t itf)
// No data to send
if ( !tu_fifo_count(&p_cdc->tx_ff) ) return 0;
uint8_t const rhport = 0;
// Claim the endpoint
TU_VERIFY( usbd_edpt_claim(rhport, p_cdc->ep_in), 0 );
TU_VERIFY( usbd_edpt_claim(p_cdc->rhport, p_cdc->ep_in), 0 );
// Pull data from FIFO
uint16_t const count = tu_fifo_read_n(&p_cdc->tx_ff, p_cdc->epin_buf, sizeof(p_cdc->epin_buf));
if ( count )
{
TU_ASSERT( usbd_edpt_xfer(rhport, p_cdc->ep_in, p_cdc->epin_buf, count), 0 );
TU_ASSERT( usbd_edpt_xfer(p_cdc->rhport, p_cdc->ep_in, p_cdc->epin_buf, count), 0 );
return count;
}else
{
// Release endpoint since we don't make any transfer
// Note: data is dropped if terminal is not connected
usbd_edpt_release(rhport, p_cdc->ep_in);
usbd_edpt_release(p_cdc->rhport, p_cdc->ep_in);
return 0;
}
}
@@ -319,6 +316,7 @@ uint16_t cdcd_open(uint8_t rhport, tusb_desc_interface_t const * itf_desc, uint1
TU_ASSERT(p_cdc, 0);
//------------- Control Interface -------------//
p_cdc->rhport = rhport;
p_cdc->itf_num = itf_desc->bInterfaceNumber;
uint16_t drv_len = sizeof(tusb_desc_interface_t);