diff options
| author | hathach <[email protected]> | 2020-08-07 12:13:13 +0700 |
|---|---|---|
| committer | hathach <[email protected]> | 2020-08-07 12:13:13 +0700 |
| commit | 9df8057702fcbc8086b223c164e1734db7beca25 (patch) | |
| tree | 5faef86eca48cc7664ae0b29db3e885edba75bdb /src/class/cdc/cdc_device.c | |
| parent | c14c0cfc9fec9101b63df682c5fa5ac0576de0f8 (diff) | |
| parent | c682c30fa6a99a91d02496de39a752b5c96a4634 (diff) | |
Merge branch 'master' into add-app-driver
Diffstat (limited to 'src/class/cdc/cdc_device.c')
| -rw-r--r-- | src/class/cdc/cdc_device.c | 47 |
1 files changed, 24 insertions, 23 deletions
diff --git a/src/class/cdc/cdc_device.c b/src/class/cdc/cdc_device.c index 2d8f986ae..89326f71d 100644 --- a/src/class/cdc/cdc_device.c +++ b/src/class/cdc/cdc_device.c @@ -61,8 +61,8 @@ typedef struct #endif // Endpoint Transfer buffer - CFG_TUSB_MEM_ALIGN uint8_t epout_buf[CFG_TUD_CDC_EPSIZE]; - CFG_TUSB_MEM_ALIGN uint8_t epin_buf[CFG_TUD_CDC_EPSIZE]; + CFG_TUSB_MEM_ALIGN uint8_t epout_buf[CFG_TUD_CDC_EP_BUFSIZE]; + CFG_TUSB_MEM_ALIGN uint8_t epin_buf[CFG_TUD_CDC_EP_BUFSIZE]; }cdcd_interface_t; @@ -82,9 +82,9 @@ static void _prep_out_transaction (uint8_t itf) // Prepare for incoming data but only allow what we can store in the ring buffer. uint16_t max_read = tu_fifo_remaining(&p_cdc->rx_ff); - if ( max_read >= TU_ARRAY_SIZE(p_cdc->epout_buf) ) + if ( max_read >= sizeof(p_cdc->epout_buf) ) { - usbd_edpt_xfer(TUD_OPT_RHPORT, p_cdc->ep_out, p_cdc->epout_buf, TU_ARRAY_SIZE(p_cdc->epout_buf)); + usbd_edpt_xfer(TUD_OPT_RHPORT, p_cdc->ep_out, p_cdc->epout_buf, sizeof(p_cdc->epout_buf)); } } @@ -148,7 +148,7 @@ uint32_t tud_cdc_n_write(uint8_t itf, void const* buffer, uint32_t bufsize) #if 0 // TODO issue with circuitpython's REPL // flush if queue more than endpoint size - if ( tu_fifo_count(&_cdcd_itf[itf].tx_ff) >= CFG_TUD_CDC_EPSIZE ) + if ( tu_fifo_count(&_cdcd_itf[itf].tx_ff) >= CFG_TUD_CDC_EP_BUFSIZE ) { tud_cdc_n_write_flush(itf); } @@ -164,7 +164,7 @@ uint32_t tud_cdc_n_write_flush (uint8_t itf) // skip if previous transfer not complete yet TU_VERIFY( !usbd_edpt_busy(TUD_OPT_RHPORT, p_cdc->ep_in), 0 ); - uint16_t count = tu_fifo_read_n(&_cdcd_itf[itf].tx_ff, p_cdc->epin_buf, TU_ARRAY_SIZE(p_cdc->epin_buf)); + uint16_t count = tu_fifo_read_n(&_cdcd_itf[itf].tx_ff, p_cdc->epin_buf, sizeof(p_cdc->epin_buf)); if ( count ) { TU_VERIFY( tud_cdc_n_connected(itf), 0 ); // fifo is empty if not connected @@ -222,14 +222,14 @@ void cdcd_reset(uint8_t rhport) } } -bool cdcd_open(uint8_t rhport, tusb_desc_interface_t const * itf_desc, uint16_t *p_length) +uint16_t cdcd_open(uint8_t rhport, tusb_desc_interface_t const * itf_desc, uint16_t max_len) { // Only support ACM subclass TU_VERIFY ( TUSB_CLASS_CDC == itf_desc->bInterfaceClass && - CDC_COMM_SUBCLASS_ABSTRACT_CONTROL_MODEL == itf_desc->bInterfaceSubClass); + CDC_COMM_SUBCLASS_ABSTRACT_CONTROL_MODEL == itf_desc->bInterfaceSubClass, 0); // Note: 0xFF can be used with RNDIS - TU_VERIFY(tu_within(CDC_COMM_PROTOCOL_NONE, itf_desc->bInterfaceProtocol, CDC_COMM_PROTOCOL_ATCOMMAND_CDMA)); + TU_VERIFY(tu_within(CDC_COMM_PROTOCOL_NONE, itf_desc->bInterfaceProtocol, CDC_COMM_PROTOCOL_ATCOMMAND_CDMA), 0); // Find available interface cdcd_interface_t * p_cdc = NULL; @@ -242,30 +242,30 @@ bool cdcd_open(uint8_t rhport, tusb_desc_interface_t const * itf_desc, uint16_t break; } } - TU_ASSERT(p_cdc); + TU_ASSERT(p_cdc, 0); //------------- Control Interface -------------// p_cdc->itf_num = itf_desc->bInterfaceNumber; + uint16_t drv_len = sizeof(tusb_desc_interface_t); uint8_t const * p_desc = tu_desc_next( itf_desc ); - (*p_length) = sizeof(tusb_desc_interface_t); // Communication Functional Descriptors - while ( TUSB_DESC_CS_INTERFACE == tu_desc_type(p_desc) ) + while ( TUSB_DESC_CS_INTERFACE == tu_desc_type(p_desc) && drv_len <= max_len ) { - (*p_length) += tu_desc_len(p_desc); - p_desc = tu_desc_next(p_desc); + drv_len += tu_desc_len(p_desc); + p_desc = tu_desc_next(p_desc); } if ( TUSB_DESC_ENDPOINT == tu_desc_type(p_desc) ) { // notification endpoint if any - TU_ASSERT( usbd_edpt_open(rhport, (tusb_desc_endpoint_t const *) p_desc) ); + TU_ASSERT( usbd_edpt_open(rhport, (tusb_desc_endpoint_t const *) p_desc), 0 ); p_cdc->ep_notif = ((tusb_desc_endpoint_t const *) p_desc)->bEndpointAddress; - (*p_length) += tu_desc_len(p_desc); - p_desc = tu_desc_next(p_desc); + drv_len += tu_desc_len(p_desc); + p_desc = tu_desc_next(p_desc); } //------------- Data Interface (if any) -------------// @@ -273,18 +273,19 @@ bool cdcd_open(uint8_t rhport, tusb_desc_interface_t const * itf_desc, uint16_t (TUSB_CLASS_CDC_DATA == ((tusb_desc_interface_t const *) p_desc)->bInterfaceClass) ) { // next to endpoint descriptor - p_desc = tu_desc_next(p_desc); + drv_len += tu_desc_len(p_desc); + p_desc = tu_desc_next(p_desc); // Open endpoint pair - TU_ASSERT( usbd_open_edpt_pair(rhport, p_desc, 2, TUSB_XFER_BULK, &p_cdc->ep_out, &p_cdc->ep_in) ); + TU_ASSERT( usbd_open_edpt_pair(rhport, p_desc, 2, TUSB_XFER_BULK, &p_cdc->ep_out, &p_cdc->ep_in), 0 ); - (*p_length) += sizeof(tusb_desc_interface_t) + 2*sizeof(tusb_desc_endpoint_t); + drv_len += 2*sizeof(tusb_desc_endpoint_t); } // Prepare for incoming data _prep_out_transaction(cdc_id); - return true; + return drv_len; } // Invoked when class request DATA stage is finished. @@ -363,7 +364,7 @@ bool cdcd_control_request(uint8_t rhport, tusb_control_request_t const * request tud_control_status(rhport, request); // Invoke callback - if ( tud_cdc_line_state_cb) tud_cdc_line_state_cb(itf, dtr, rts); + if ( tud_cdc_line_state_cb ) tud_cdc_line_state_cb(itf, dtr, rts); } break; @@ -419,7 +420,7 @@ bool cdcd_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint32_ { // There is no data left, a ZLP should be sent if // xferred_bytes is multiple of EP size and not zero - if ( xferred_bytes && (0 == (xferred_bytes % CFG_TUD_CDC_EPSIZE)) ) + if ( xferred_bytes && (0 == (xferred_bytes % CFG_TUD_CDC_EP_BUFSIZE)) ) { usbd_edpt_xfer(TUD_OPT_RHPORT, p_cdc->ep_in, NULL, 0); } |
