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