diff options
Diffstat (limited to 'tinyusb/src/class/cdc/cdc_host.c')
| m--------- | tinyusb | 0 | ||||
| -rwxr-xr-x | tinyusb/src/class/cdc/cdc_host.c | 249 |
2 files changed, 0 insertions, 249 deletions
diff --git a/tinyusb b/tinyusb new file mode 160000 +Subproject f8288be03f28ad7b944e6925f49422dfa39202c diff --git a/tinyusb/src/class/cdc/cdc_host.c b/tinyusb/src/class/cdc/cdc_host.c deleted file mode 100755 index e7eaf4d0..00000000 --- a/tinyusb/src/class/cdc/cdc_host.c +++ /dev/null @@ -1,249 +0,0 @@ -/* - * The MIT License (MIT) - * - * Copyright (c) 2019 Ha Thach (tinyusb.org) - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - * - * This file is part of the TinyUSB stack. - */ - -#include "tusb_option.h" - -#if (TUSB_OPT_HOST_ENABLED && CFG_TUH_CDC) - -#include "host/usbh.h" -#include "host/usbh_classdriver.h" - -#include "cdc_host.h" - -//--------------------------------------------------------------------+ -// MACRO CONSTANT TYPEDEF -//--------------------------------------------------------------------+ -typedef struct { - uint8_t itf_num; - uint8_t itf_protocol; - - uint8_t ep_notif; - uint8_t ep_in; - uint8_t ep_out; - - cdc_acm_capability_t acm_capability; - -} cdch_data_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) -{ - return &cdch_data[dev_addr-1]; -} - -bool tuh_cdc_mounted(uint8_t dev_addr) -{ - cdch_data_t* cdc = get_itf(dev_addr); - return cdc->ep_in && cdc->ep_out; -} - -bool tuh_cdc_is_busy(uint8_t dev_addr, cdc_pipeid_t pipeid) -{ - if ( !tuh_cdc_mounted(dev_addr) ) return false; - - cdch_data_t const * p_cdc = get_itf(dev_addr); - - switch (pipeid) - { - case CDC_PIPE_NOTIFICATION: - return usbh_edpt_busy(dev_addr, p_cdc->ep_notif ); - - case CDC_PIPE_DATA_IN: - return usbh_edpt_busy(dev_addr, p_cdc->ep_in ); - - case CDC_PIPE_DATA_OUT: - return usbh_edpt_busy(dev_addr, p_cdc->ep_out ); - - default: - return false; - } -} - -//--------------------------------------------------------------------+ -// APPLICATION API (parameter validation needed) -//--------------------------------------------------------------------+ -bool tuh_cdc_serial_is_mounted(uint8_t dev_addr) -{ - // 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); -} - -bool tuh_cdc_send(uint8_t dev_addr, void const * p_data, uint32_t length, bool is_notify) -{ - (void) is_notify; - TU_VERIFY( tuh_cdc_mounted(dev_addr) ); - TU_VERIFY( p_data != NULL && length, TUSB_ERROR_INVALID_PARA); - - uint8_t const ep_out = cdch_data[dev_addr-1].ep_out; - if ( usbh_edpt_busy(dev_addr, ep_out) ) return false; - - return usbh_edpt_xfer(dev_addr, ep_out, (void *) p_data, length); -} - -bool tuh_cdc_receive(uint8_t dev_addr, void * p_buffer, uint32_t length, bool is_notify) -{ - (void) is_notify; - TU_VERIFY( tuh_cdc_mounted(dev_addr) ); - TU_VERIFY( p_buffer != NULL && length, TUSB_ERROR_INVALID_PARA); - - uint8_t const ep_in = cdch_data[dev_addr-1].ep_in; - if ( usbh_edpt_busy(dev_addr, ep_in) ) return false; - - return usbh_edpt_xfer(dev_addr, ep_in, p_buffer, length); -} - -bool tuh_cdc_set_control_line_state(uint8_t dev_addr, bool dtr, bool rts, tuh_control_complete_cb_t complete_cb) -{ - cdch_data_t const * p_cdc = get_itf(dev_addr); - 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_CONTROL_LINE_STATE, - .wValue = (rts ? 2 : 0) | (dtr ? 1 : 0), - .wIndex = p_cdc->itf_num, - .wLength = 0 - }; - - TU_ASSERT( tuh_control_xfer(dev_addr, &request, NULL, complete_cb) ); - return true; -} - -//--------------------------------------------------------------------+ -// USBH-CLASS DRIVER API -//--------------------------------------------------------------------+ -void cdch_init(void) -{ - tu_memclr(cdch_data, sizeof(cdch_data)); -} - -bool cdch_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *itf_desc, uint16_t max_len) -{ - (void) max_len; - - // Only support ACM subclass - // Protocol 0xFF can be RNDIS device for windows XP - TU_VERIFY( TUSB_CLASS_CDC == itf_desc->bInterfaceClass && - CDC_COMM_SUBCLASS_ABSTRACT_CONTROL_MODEL == itf_desc->bInterfaceSubClass && - 0xFF != itf_desc->bInterfaceProtocol); - - cdch_data_t * p_cdc = get_itf(dev_addr); - - p_cdc->itf_num = itf_desc->bInterfaceNumber; - p_cdc->itf_protocol = itf_desc->bInterfaceProtocol; - - //------------- Communication Interface -------------// - uint16_t drv_len = tu_desc_len(itf_desc); - 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 ) - { - if ( CDC_FUNC_DESC_ABSTRACT_CONTROL_MANAGEMENT == cdc_functional_desc_typeof(p_desc) ) - { - // save ACM bmCapabilities - 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) ) - { - // notification endpoint - tusb_desc_endpoint_t const * desc_ep = (tusb_desc_endpoint_t const *) p_desc; - - TU_ASSERT( usbh_edpt_open(rhport, dev_addr, desc_ep) ); - p_cdc->ep_notif = desc_ep->bEndpointAddress; - - drv_len += tu_desc_len(p_desc); - p_desc = tu_desc_next(p_desc); - } - - //------------- Data Interface (if any) -------------// - if ( (TUSB_DESC_INTERFACE == tu_desc_type(p_desc)) && - (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(usbh_edpt_open(rhport, dev_addr, desc_ep)); - - if ( tu_edpt_dir(desc_ep->bEndpointAddress) == TUSB_DIR_IN ) - { - p_cdc->ep_in = desc_ep->bEndpointAddress; - }else - { - p_cdc->ep_out = desc_ep->bEndpointAddress; - } - - drv_len += tu_desc_len(p_desc); - p_desc = tu_desc_next( p_desc ); - } - } - - return true; -} - -bool cdch_set_config(uint8_t dev_addr, uint8_t itf_num) -{ - (void) dev_addr; (void) itf_num; - return true; -} - -bool cdch_xfer_cb(uint8_t dev_addr, uint8_t ep_addr, xfer_result_t event, uint32_t xferred_bytes) -{ - (void) ep_addr; - tuh_cdc_xfer_isr( dev_addr, event, 0, xferred_bytes ); - return true; -} - -void cdch_close(uint8_t dev_addr) -{ - TU_VERIFY(dev_addr <= CFG_TUH_DEVICE_MAX, ); - - cdch_data_t * p_cdc = get_itf(dev_addr); - tu_memclr(p_cdc, sizeof(cdch_data_t)); -} - -#endif |