diff options
Diffstat (limited to 'src/class/cdc/cdc_host.c')
| -rw-r--r-- | src/class/cdc/cdc_host.c | 498 |
1 files changed, 414 insertions, 84 deletions
diff --git a/src/class/cdc/cdc_host.c b/src/class/cdc/cdc_host.c index ee824cb4e..e9c3d34cb 100644 --- a/src/class/cdc/cdc_host.c +++ b/src/class/cdc/cdc_host.c @@ -33,96 +33,260 @@ #include "cdc_host.h" + +// Debug level, TUSB_CFG_DEBUG must be at least this level for debug message +#define CDCH_DEBUG 2 + +#define TU_LOG_CDCH(...) TU_LOG(CDCH_DEBUG, __VA_ARGS__) + //--------------------------------------------------------------------+ // MACRO CONSTANT TYPEDEF //--------------------------------------------------------------------+ + typedef struct { - uint8_t itf_num; - uint8_t itf_protocol; + uint8_t daddr; + uint8_t bInterfaceNumber; + uint8_t bInterfaceSubClass; + uint8_t bInterfaceProtocol; + cdc_acm_capability_t acm_capability; uint8_t ep_notif; - uint8_t ep_in; - uint8_t ep_out; - cdc_acm_capability_t acm_capability; + cdc_line_coding_t line_coding; // Baudrate, stop bits, parity, data width + uint8_t line_state; // DTR (bit0), RTS (bit1) -} cdch_data_t; + tuh_xfer_cb_t user_control_cb; + + struct { + tu_edpt_stream_t tx; + tu_edpt_stream_t rx; + + uint8_t tx_ff_buf[CFG_TUH_CDC_TX_BUFSIZE]; + CFG_TUSB_MEM_ALIGN uint8_t tx_ep_buf[CFG_TUH_CDC_TX_EPSIZE]; + + uint8_t rx_ff_buf[CFG_TUH_CDC_TX_BUFSIZE]; + CFG_TUSB_MEM_ALIGN uint8_t rx_ep_buf[CFG_TUH_CDC_TX_EPSIZE]; + } stream; + +} cdch_interface_t; //--------------------------------------------------------------------+ // INTERNAL OBJECT & FUNCTION DECLARATION //--------------------------------------------------------------------+ -static cdch_data_t cdch_data[CFG_TUH_DEVICE_MAX]; -static inline cdch_data_t* get_itf(uint8_t dev_addr) +CFG_TUSB_MEM_SECTION +static cdch_interface_t cdch_data[CFG_TUH_CDC]; + +static inline cdch_interface_t* get_itf(uint8_t idx) { - return &cdch_data[dev_addr-1]; + TU_ASSERT(idx < CFG_TUH_CDC, NULL); + cdch_interface_t* p_cdc = &cdch_data[idx]; + + return (p_cdc->daddr != 0) ? p_cdc : NULL; } -bool tuh_cdc_mounted(uint8_t dev_addr) +static inline uint8_t get_idx_by_ep_addr(uint8_t daddr, uint8_t ep_addr) { - cdch_data_t* cdc = get_itf(dev_addr); - return cdc->ep_in && cdc->ep_out; + for(uint8_t i=0; i<CFG_TUH_CDC; i++) + { + cdch_interface_t* p_cdc = &cdch_data[i]; + if ( (p_cdc->daddr == daddr) && + (ep_addr == p_cdc->ep_notif || ep_addr == p_cdc->stream.rx.ep_addr || ep_addr == p_cdc->stream.tx.ep_addr)) + { + return i; + } + } + + return TUSB_INDEX_INVALID; } -bool tuh_cdc_is_busy(uint8_t dev_addr, cdc_pipeid_t pipeid) + +static cdch_interface_t* find_new_itf(void) { - if ( !tuh_cdc_mounted(dev_addr) ) return false; + for(uint8_t i=0; i<CFG_TUH_CDC; i++) + { + if (cdch_data[i].daddr == 0) return &cdch_data[i]; + } - cdch_data_t const * p_cdc = get_itf(dev_addr); + return NULL; +} - switch (pipeid) +//--------------------------------------------------------------------+ +// APPLICATION API +//--------------------------------------------------------------------+ + +uint8_t tuh_cdc_itf_get_index(uint8_t daddr, uint8_t itf_num) +{ + for(uint8_t i=0; i<CFG_TUH_CDC; i++) { - case CDC_PIPE_NOTIFICATION: - return usbh_edpt_busy(dev_addr, p_cdc->ep_notif ); + const cdch_interface_t* p_cdc = &cdch_data[i]; + + if (p_cdc->daddr == daddr && p_cdc->bInterfaceNumber == itf_num) return i; + } - case CDC_PIPE_DATA_IN: - return usbh_edpt_busy(dev_addr, p_cdc->ep_in ); + return TUSB_INDEX_INVALID; +} - case CDC_PIPE_DATA_OUT: - return usbh_edpt_busy(dev_addr, p_cdc->ep_out ); +bool tuh_cdc_itf_get_info(uint8_t idx, tuh_cdc_itf_info_t* info) +{ + cdch_interface_t* p_cdc = get_itf(idx); + TU_VERIFY(p_cdc && info); - default: - return false; - } + info->daddr = p_cdc->daddr; + info->bInterfaceNumber = p_cdc->bInterfaceNumber; + info->bInterfaceSubClass = p_cdc->bInterfaceSubClass; + info->bInterfaceProtocol = p_cdc->bInterfaceProtocol; + + return true; +} + +bool tuh_cdc_mounted(uint8_t idx) +{ + cdch_interface_t* p_cdc = get_itf(idx); + return p_cdc != NULL; +} + +bool tuh_cdc_get_dtr(uint8_t idx) +{ + cdch_interface_t* p_cdc = get_itf(idx); + TU_VERIFY(p_cdc); + + return (p_cdc->line_state & CDC_CONTROL_LINE_STATE_DTR) ? true : false; +} + +bool tuh_cdc_get_rts(uint8_t idx) +{ + cdch_interface_t* p_cdc = get_itf(idx); + TU_VERIFY(p_cdc); + + return (p_cdc->line_state & CDC_CONTROL_LINE_STATE_RTS) ? true : false; +} + +bool tuh_cdc_get_local_line_coding(uint8_t idx, cdc_line_coding_t* line_coding) +{ + cdch_interface_t* p_cdc = get_itf(idx); + TU_VERIFY(p_cdc); + + *line_coding = p_cdc->line_coding; + + return true; } //--------------------------------------------------------------------+ -// APPLICATION API (parameter validation needed) +// Write //--------------------------------------------------------------------+ -bool tuh_cdc_serial_is_mounted(uint8_t dev_addr) + +uint32_t tuh_cdc_write(uint8_t idx, void const* buffer, uint32_t bufsize) { - // TODO consider all AT Command as serial candidate - return tuh_cdc_mounted(dev_addr) && - (cdch_data[dev_addr-1].itf_protocol <= CDC_COMM_PROTOCOL_ATCOMMAND_CDMA); + cdch_interface_t* p_cdc = get_itf(idx); + TU_VERIFY(p_cdc); + + return tu_edpt_stream_write(&p_cdc->stream.tx, buffer, bufsize); } -bool tuh_cdc_send(uint8_t dev_addr, void const * p_data, uint32_t length, bool is_notify) +uint32_t tuh_cdc_write_flush(uint8_t idx) { - (void) is_notify; - TU_VERIFY( tuh_cdc_mounted(dev_addr) ); - TU_VERIFY( p_data != NULL && length); + cdch_interface_t* p_cdc = get_itf(idx); + TU_VERIFY(p_cdc); - uint8_t const ep_out = cdch_data[dev_addr-1].ep_out; - if ( usbh_edpt_busy(dev_addr, ep_out) ) return false; + return tu_edpt_stream_write_xfer(&p_cdc->stream.tx); +} - return usbh_edpt_xfer(dev_addr, ep_out, (void*)(uintptr_t) p_data, (uint16_t) length); +bool tuh_cdc_write_clear(uint8_t idx) +{ + cdch_interface_t* p_cdc = get_itf(idx); + TU_VERIFY(p_cdc); + + return tu_edpt_stream_clear(&p_cdc->stream.tx); +} + +uint32_t tuh_cdc_write_available(uint8_t idx) +{ + cdch_interface_t* p_cdc = get_itf(idx); + TU_VERIFY(p_cdc); + + return tu_edpt_stream_write_available(&p_cdc->stream.tx); } -bool tuh_cdc_receive(uint8_t dev_addr, void * p_buffer, uint32_t length, bool is_notify) +//--------------------------------------------------------------------+ +// Read +//--------------------------------------------------------------------+ + +uint32_t tuh_cdc_read (uint8_t idx, void* buffer, uint32_t bufsize) { - (void) is_notify; - TU_VERIFY( tuh_cdc_mounted(dev_addr) ); - TU_VERIFY( p_buffer != NULL && length ); + cdch_interface_t* p_cdc = get_itf(idx); + TU_VERIFY(p_cdc); + + return tu_edpt_stream_read(&p_cdc->stream.rx, buffer, bufsize); +} + +uint32_t tuh_cdc_read_available(uint8_t idx) +{ + cdch_interface_t* p_cdc = get_itf(idx); + TU_VERIFY(p_cdc); + + return tu_edpt_stream_read_available(&p_cdc->stream.rx); +} + +bool tuh_cdc_peek(uint8_t idx, uint8_t* ch) +{ + cdch_interface_t* p_cdc = get_itf(idx); + TU_VERIFY(p_cdc); + + return tu_edpt_stream_peek(&p_cdc->stream.rx, ch); +} + +bool tuh_cdc_read_clear (uint8_t idx) +{ + cdch_interface_t* p_cdc = get_itf(idx); + TU_VERIFY(p_cdc); + + bool ret = tu_edpt_stream_clear(&p_cdc->stream.rx); + tu_edpt_stream_read_xfer(&p_cdc->stream.rx); + return ret; +} + +//--------------------------------------------------------------------+ +// Control Endpoint API +//--------------------------------------------------------------------+ + +// internal control complete to update state such as line state, encoding +static void cdch_internal_control_complete(tuh_xfer_t* xfer) +{ + uint8_t const itf_num = (uint8_t) tu_le16toh(xfer->setup->wIndex); + uint8_t idx = tuh_cdc_itf_get_index(xfer->daddr, itf_num); + cdch_interface_t* p_cdc = get_itf(idx); + TU_ASSERT(p_cdc, ); + + if (xfer->result == XFER_RESULT_SUCCESS) + { + switch(xfer->setup->bRequest) + { + case CDC_REQUEST_SET_CONTROL_LINE_STATE: + p_cdc->line_state = (uint8_t) tu_le16toh(xfer->setup->wValue); + break; + + case CDC_REQUEST_SET_LINE_CODING: + { + uint16_t const len = tu_min16(sizeof(cdc_line_coding_t), tu_le16toh(xfer->setup->wLength)); + memcpy(&p_cdc->line_coding, xfer->buffer, len); + } + break; - uint8_t const ep_in = cdch_data[dev_addr-1].ep_in; - if ( usbh_edpt_busy(dev_addr, ep_in) ) return false; + default: break; + } + } - return usbh_edpt_xfer(dev_addr, ep_in, p_buffer, (uint16_t) length); + xfer->complete_cb = p_cdc->user_control_cb; + xfer->complete_cb(xfer); } -bool tuh_cdc_set_control_line_state(uint8_t dev_addr, bool dtr, bool rts, tuh_xfer_cb_t complete_cb) +bool tuh_cdc_set_control_line_state(uint8_t idx, uint16_t line_state, tuh_xfer_cb_t complete_cb, uintptr_t user_data) { - cdch_data_t const * p_cdc = get_itf(dev_addr); + cdch_interface_t* p_cdc = get_itf(idx); + TU_VERIFY(p_cdc && p_cdc->acm_capability.support_line_request); + + TU_LOG_CDCH("CDC Set Control Line State\r\n"); tusb_control_request_t const request = { @@ -133,36 +297,154 @@ bool tuh_cdc_set_control_line_state(uint8_t dev_addr, bool dtr, bool rts, tuh_xf .direction = TUSB_DIR_OUT }, .bRequest = CDC_REQUEST_SET_CONTROL_LINE_STATE, - .wValue = tu_htole16((uint16_t) ((dtr ? 1u : 0u) | (rts ? 2u : 0u))), - .wIndex = tu_htole16(p_cdc->itf_num), + .wValue = tu_htole16(line_state), + .wIndex = tu_htole16((uint16_t) p_cdc->bInterfaceNumber), .wLength = 0 }; + p_cdc->user_control_cb = complete_cb; tuh_xfer_t xfer = { - .daddr = dev_addr, + .daddr = p_cdc->daddr, .ep_addr = 0, .setup = &request, .buffer = NULL, - .complete_cb = complete_cb, - .user_data = 0 + .complete_cb = cdch_internal_control_complete, + .user_data = user_data + }; + + return tuh_control_xfer(&xfer); +} + +bool tuh_cdc_set_line_coding(uint8_t idx, cdc_line_coding_t const* line_coding, tuh_xfer_cb_t complete_cb, uintptr_t user_data) +{ + cdch_interface_t* p_cdc = get_itf(idx); + TU_VERIFY(p_cdc && p_cdc->acm_capability.support_line_request); + + TU_LOG_CDCH("CDC Set Line Conding\r\n"); + + tusb_control_request_t const request = + { + .bmRequestType_bit = + { + .recipient = TUSB_REQ_RCPT_INTERFACE, + .type = TUSB_REQ_TYPE_CLASS, + .direction = TUSB_DIR_OUT + }, + .bRequest = CDC_REQUEST_SET_LINE_CODING, + .wValue = 0, + .wIndex = tu_htole16(p_cdc->bInterfaceNumber), + .wLength = tu_htole16(sizeof(cdc_line_coding_t)) + }; + + // use usbh enum buf to hold line coding since user line_coding variable may not live long enough + // for the transfer to complete + uint8_t* enum_buf = usbh_get_enum_buf(); + memcpy(enum_buf, line_coding, sizeof(cdc_line_coding_t)); + + p_cdc->user_control_cb = complete_cb; + tuh_xfer_t xfer = + { + .daddr = p_cdc->daddr, + .ep_addr = 0, + .setup = &request, + .buffer = enum_buf, + .complete_cb = cdch_internal_control_complete, + .user_data = user_data }; return tuh_control_xfer(&xfer); } //--------------------------------------------------------------------+ -// USBH-CLASS DRIVER API +// CLASS-USBH API //--------------------------------------------------------------------+ + void cdch_init(void) { tu_memclr(cdch_data, sizeof(cdch_data)); + + for(size_t i=0; i<CFG_TUH_CDC; i++) + { + cdch_interface_t* p_cdc = &cdch_data[i]; + + tu_edpt_stream_init(&p_cdc->stream.tx, true, true, false, + p_cdc->stream.tx_ff_buf, CFG_TUH_CDC_TX_BUFSIZE, + p_cdc->stream.tx_ep_buf, CFG_TUH_CDC_TX_EPSIZE); + + tu_edpt_stream_init(&p_cdc->stream.rx, true, false, false, + p_cdc->stream.rx_ff_buf, CFG_TUH_CDC_RX_BUFSIZE, + p_cdc->stream.rx_ep_buf, CFG_TUH_CDC_RX_EPSIZE); + } +} + +void cdch_close(uint8_t daddr) +{ + for(uint8_t idx=0; idx<CFG_TUH_CDC; idx++) + { + cdch_interface_t* p_cdc = &cdch_data[idx]; + if (p_cdc->daddr == daddr) + { + // Invoke application callback + if (tuh_cdc_umount_cb) tuh_cdc_umount_cb(idx); + + //tu_memclr(p_cdc, sizeof(cdch_interface_t)); + p_cdc->daddr = 0; + p_cdc->bInterfaceNumber = 0; + tu_edpt_stream_close(&p_cdc->stream.tx); + tu_edpt_stream_close(&p_cdc->stream.rx); + } + } } -bool cdch_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *itf_desc, uint16_t max_len) +bool cdch_xfer_cb(uint8_t daddr, uint8_t ep_addr, xfer_result_t event, uint32_t xferred_bytes) +{ + // TODO handle stall response, retry failed transfer ... + TU_ASSERT(event == XFER_RESULT_SUCCESS); + + uint8_t const idx = get_idx_by_ep_addr(daddr, ep_addr); + cdch_interface_t * p_cdc = get_itf(idx); + TU_ASSERT(p_cdc); + + if ( ep_addr == p_cdc->stream.tx.ep_addr ) + { + // invoke tx complete callback to possibly refill tx fifo + if (tuh_cdc_tx_complete_cb) tuh_cdc_tx_complete_cb(idx); + + if ( 0 == tu_edpt_stream_write_xfer(&p_cdc->stream.tx) ) + { + // If there is no data left, a ZLP should be sent if: + // - xferred_bytes is multiple of EP Packet size and not zero + tu_edpt_stream_write_zlp_if_needed(&p_cdc->stream.tx, xferred_bytes); + } + } + else if ( ep_addr == p_cdc->stream.rx.ep_addr ) + { + tu_edpt_stream_read_xfer_complete(&p_cdc->stream.rx, xferred_bytes); + + // invoke receive callback + if (tuh_cdc_rx_cb) tuh_cdc_rx_cb(idx); + + // prepare for next transfer if needed + tu_edpt_stream_read_xfer(&p_cdc->stream.rx); + }else if ( ep_addr == p_cdc->ep_notif ) + { + // TODO handle notification endpoint + }else + { + TU_ASSERT(false); + } + + return true; +} + +//--------------------------------------------------------------------+ +// Enumeration +//--------------------------------------------------------------------+ + +bool cdch_open(uint8_t rhport, uint8_t daddr, tusb_desc_interface_t const *itf_desc, uint16_t max_len) { (void) rhport; - (void) max_len; // Only support ACM subclass // Protocol 0xFF can be RNDIS device for windows XP @@ -170,17 +452,22 @@ bool cdch_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *it CDC_COMM_SUBCLASS_ABSTRACT_CONTROL_MODEL == itf_desc->bInterfaceSubClass && 0xFF != itf_desc->bInterfaceProtocol); - cdch_data_t * p_cdc = get_itf(dev_addr); + uint8_t const * p_desc_end = ((uint8_t const*) itf_desc) + max_len; - p_cdc->itf_num = itf_desc->bInterfaceNumber; - p_cdc->itf_protocol = itf_desc->bInterfaceProtocol; + cdch_interface_t * p_cdc = find_new_itf(); + TU_VERIFY(p_cdc); - //------------- Communication Interface -------------// - uint16_t drv_len = tu_desc_len(itf_desc); + p_cdc->daddr = daddr; + p_cdc->bInterfaceNumber = itf_desc->bInterfaceNumber; + p_cdc->bInterfaceSubClass = itf_desc->bInterfaceSubClass; + p_cdc->bInterfaceProtocol = itf_desc->bInterfaceProtocol; + p_cdc->line_state = 0; + + //------------- Control Interface -------------// uint8_t const * p_desc = tu_desc_next(itf_desc); // Communication Functional Descriptors - while( TUSB_DESC_CS_INTERFACE == tu_desc_type(p_desc) && drv_len <= max_len ) + while( (p_desc < p_desc_end) && (TUSB_DESC_CS_INTERFACE == tu_desc_type(p_desc)) ) { if ( CDC_FUNC_DESC_ABSTRACT_CONTROL_MANAGEMENT == cdc_functional_desc_typeof(p_desc) ) { @@ -188,19 +475,18 @@ bool cdch_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *it p_cdc->acm_capability = ((cdc_desc_func_acm_t const *) p_desc)->bmCapabilities; } - drv_len += tu_desc_len(p_desc); p_desc = tu_desc_next(p_desc); } - if ( TUSB_DESC_ENDPOINT == tu_desc_type(p_desc) ) + // Open notification endpoint of control interface if any + if (itf_desc->bNumEndpoints == 1) { - // notification endpoint + TU_ASSERT(TUSB_DESC_ENDPOINT == tu_desc_type(p_desc)); tusb_desc_endpoint_t const * desc_ep = (tusb_desc_endpoint_t const *) p_desc; - TU_ASSERT( tuh_edpt_open(dev_addr, desc_ep) ); + TU_ASSERT( tuh_edpt_open(daddr, desc_ep) ); p_cdc->ep_notif = desc_ep->bEndpointAddress; - drv_len += tu_desc_len(p_desc); p_desc = tu_desc_next(p_desc); } @@ -209,52 +495,96 @@ bool cdch_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *it (TUSB_CLASS_CDC_DATA == ((tusb_desc_interface_t const *) p_desc)->bInterfaceClass) ) { // next to endpoint descriptor - drv_len += tu_desc_len(p_desc); p_desc = tu_desc_next(p_desc); // data endpoints expected to be in pairs for(uint32_t i=0; i<2; i++) { tusb_desc_endpoint_t const *desc_ep = (tusb_desc_endpoint_t const *) p_desc; - TU_ASSERT(TUSB_DESC_ENDPOINT == desc_ep->bDescriptorType && TUSB_XFER_BULK == desc_ep->bmAttributes.xfer); + TU_ASSERT(TUSB_DESC_ENDPOINT == desc_ep->bDescriptorType && + TUSB_XFER_BULK == desc_ep->bmAttributes.xfer); - TU_ASSERT(tuh_edpt_open(dev_addr, desc_ep)); + TU_ASSERT(tuh_edpt_open(daddr, desc_ep)); if ( tu_edpt_dir(desc_ep->bEndpointAddress) == TUSB_DIR_IN ) { - p_cdc->ep_in = desc_ep->bEndpointAddress; + tu_edpt_stream_open(&p_cdc->stream.rx, daddr, desc_ep); }else { - p_cdc->ep_out = desc_ep->bEndpointAddress; + tu_edpt_stream_open(&p_cdc->stream.tx, daddr, desc_ep); } - drv_len += tu_desc_len(p_desc); - p_desc = tu_desc_next( p_desc ); + p_desc = tu_desc_next(p_desc); } } return true; } -bool cdch_set_config(uint8_t dev_addr, uint8_t itf_num) +enum { - (void) dev_addr; (void) itf_num; - return true; -} + CONFIG_SET_CONTROL_LINE_STATE, + CONFIG_SET_LINE_CODING, + CONFIG_COMPLETE +}; -bool cdch_xfer_cb(uint8_t dev_addr, uint8_t ep_addr, xfer_result_t event, uint32_t xferred_bytes) +static void process_cdc_config(tuh_xfer_t* xfer) { - (void) ep_addr; - tuh_cdc_xfer_isr( dev_addr, event, 0, xferred_bytes ); - return true; + uintptr_t const state = xfer->user_data; + uint8_t const itf_num = (uint8_t) tu_le16toh(xfer->setup->wIndex); + uint8_t const idx = tuh_cdc_itf_get_index(xfer->daddr, itf_num); + TU_ASSERT(idx != TUSB_INDEX_INVALID, ); + + switch(state) + { + case CONFIG_SET_CONTROL_LINE_STATE: + #if CFG_TUH_CDC_LINE_CONTROL_ON_ENUM + TU_ASSERT( tuh_cdc_set_control_line_state(idx, CFG_TUH_CDC_LINE_CONTROL_ON_ENUM, process_cdc_config, CONFIG_SET_LINE_CODING), ); + break; + #endif + TU_ATTR_FALLTHROUGH; + + case CONFIG_SET_LINE_CODING: + #ifdef CFG_TUH_CDC_LINE_CODING_ON_ENUM + { + cdc_line_coding_t line_coding = CFG_TUH_CDC_LINE_CODING_ON_ENUM; + TU_ASSERT( tuh_cdc_set_line_coding(idx, &line_coding, process_cdc_config, CONFIG_COMPLETE), ); + break; + } + #endif + TU_ATTR_FALLTHROUGH; + + case CONFIG_COMPLETE: + if (tuh_cdc_mount_cb) tuh_cdc_mount_cb(idx); + + // Prepare for incoming data + cdch_interface_t* p_cdc = get_itf(idx); + tu_edpt_stream_read_xfer(&p_cdc->stream.rx); + + // notify usbh that driver enumeration is complete + // itf_num+1 to account for data interface as well + usbh_driver_set_config_complete(xfer->daddr, itf_num+1); + break; + + default: break; + } } -void cdch_close(uint8_t dev_addr) +bool cdch_set_config(uint8_t daddr, uint8_t itf_num) { - TU_VERIFY(dev_addr <= CFG_TUH_DEVICE_MAX, ); + // fake transfer to kick-off process + tusb_control_request_t request; + request.wIndex = tu_htole16((uint16_t) itf_num); + + tuh_xfer_t xfer; + xfer.daddr = daddr; + xfer.result = XFER_RESULT_SUCCESS; + xfer.setup = &request; + xfer.user_data = CONFIG_SET_CONTROL_LINE_STATE; - cdch_data_t * p_cdc = get_itf(dev_addr); - tu_memclr(p_cdc, sizeof(cdch_data_t)); + process_cdc_config(&xfer); + + return true; } #endif |