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-rw-r--r--src/class/cdc/cdc_host.c450
1 files changed, 225 insertions, 225 deletions
diff --git a/src/class/cdc/cdc_host.c b/src/class/cdc/cdc_host.c
index 6a6f508b3..595e7fd62 100644
--- a/src/class/cdc/cdc_host.c
+++ b/src/class/cdc/cdc_host.c
@@ -1,225 +1,225 @@
-/*
- * 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 "common/tusb_common.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_TUSB_HOST_DEVICE_MAX];
-
-bool tuh_cdc_mounted(uint8_t dev_addr)
-{
- cdch_data_t* cdc = &cdch_data[dev_addr-1];
- 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 = &cdch_data[dev_addr-1];
-
- switch (pipeid)
- {
- case CDC_PIPE_NOTIFICATION:
- return hcd_edpt_busy(dev_addr, p_cdc->ep_notif );
-
- case CDC_PIPE_DATA_IN:
- return hcd_edpt_busy(dev_addr, p_cdc->ep_in );
-
- case CDC_PIPE_DATA_OUT:
- return hcd_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) &&
- (CDC_COMM_PROTOCOL_ATCOMMAND <= cdch_data[dev_addr-1].itf_protocol) &&
- (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)
-{
- 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 ( hcd_edpt_busy(dev_addr, ep_out) ) return false;
-
- return hcd_pipe_xfer(dev_addr, ep_out, (void *) p_data, length, is_notify);
-}
-
-bool tuh_cdc_receive(uint8_t dev_addr, void * p_buffer, uint32_t length, bool 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 ( hcd_edpt_busy(dev_addr, ep_in) ) return false;
-
- return hcd_pipe_xfer(dev_addr, ep_in, p_buffer, length, is_notify);
-}
-
-//--------------------------------------------------------------------+
-// USBH-CLASS DRIVER API
-//--------------------------------------------------------------------+
-void cdch_init(void)
-{
- tu_memclr(cdch_data, sizeof(cdch_data_t)*CFG_TUSB_HOST_DEVICE_MAX);
-}
-
-bool cdch_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *itf_desc, uint16_t *p_length)
-{
- // Only support ACM
- TU_VERIFY( CDC_COMM_SUBCLASS_ABSTRACT_CONTROL_MODEL == itf_desc->bInterfaceSubClass);
-
- // Only support AT commands, no protocol and vendor specific commands.
- TU_VERIFY(tu_within(CDC_COMM_PROTOCOL_NONE, itf_desc->bInterfaceProtocol, CDC_COMM_PROTOCOL_ATCOMMAND_CDMA) ||
- 0xff == itf_desc->bInterfaceProtocol);
-
- uint8_t const * p_desc;
- cdch_data_t * p_cdc;
-
- p_desc = tu_desc_next(itf_desc);
- p_cdc = &cdch_data[dev_addr-1];
-
- p_cdc->itf_num = itf_desc->bInterfaceNumber;
- p_cdc->itf_protocol = itf_desc->bInterfaceProtocol; // TODO 0xff is consider as rndis candidate, other is virtual Com
-
- //------------- Communication Interface -------------//
- (*p_length) = sizeof(tusb_desc_interface_t);
-
- // Communication Functional Descriptors
- while( TUSB_DESC_CS_INTERFACE == p_desc[DESC_OFFSET_TYPE] )
- {
- 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;
- }
-
- (*p_length) += p_desc[DESC_OFFSET_LEN];
- p_desc = tu_desc_next(p_desc);
- }
-
- if ( TUSB_DESC_ENDPOINT == p_desc[DESC_OFFSET_TYPE])
- {
- // notification endpoint
- tusb_desc_endpoint_t const * ep_desc = (tusb_desc_endpoint_t const *) p_desc;
-
- TU_ASSERT( hcd_edpt_open(rhport, dev_addr, ep_desc) );
- p_cdc->ep_notif = ep_desc->bEndpointAddress;
-
- (*p_length) += p_desc[DESC_OFFSET_LEN];
- p_desc = tu_desc_next(p_desc);
- }
-
- //------------- Data Interface (if any) -------------//
- if ( (TUSB_DESC_INTERFACE == p_desc[DESC_OFFSET_TYPE]) &&
- (TUSB_CLASS_CDC_DATA == ((tusb_desc_interface_t const *) p_desc)->bInterfaceClass) )
- {
- (*p_length) += p_desc[DESC_OFFSET_LEN];
- 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 *ep_desc = (tusb_desc_endpoint_t const *) p_desc;
- TU_ASSERT(TUSB_DESC_ENDPOINT == ep_desc->bDescriptorType);
- TU_ASSERT(TUSB_XFER_BULK == ep_desc->bmAttributes.xfer);
-
- TU_ASSERT(hcd_edpt_open(rhport, dev_addr, ep_desc));
-
- if ( tu_edpt_dir(ep_desc->bEndpointAddress) == TUSB_DIR_IN )
- {
- p_cdc->ep_in = ep_desc->bEndpointAddress;
- }else
- {
- p_cdc->ep_out = ep_desc->bEndpointAddress;
- }
-
- (*p_length) += p_desc[DESC_OFFSET_LEN];
- p_desc = tu_desc_next( p_desc );
- }
- }
-
- // FIXME move to seperate API : connect
- tusb_control_request_t 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 = 0x03, // dtr on, cst on
- .wIndex = p_cdc->itf_num,
- .wLength = 0
- };
-
- TU_ASSERT( usbh_control_xfer(dev_addr, &request, NULL) );
-
- return true;
-}
-
-void cdch_isr(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 );
-}
-
-void cdch_close(uint8_t dev_addr)
-{
- cdch_data_t * p_cdc = &cdch_data[dev_addr-1];
- tu_memclr(p_cdc, sizeof(cdch_data_t));
-}
-
-#endif
+/*
+ * 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 "common/tusb_common.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_TUSB_HOST_DEVICE_MAX];
+
+bool tuh_cdc_mounted(uint8_t dev_addr)
+{
+ cdch_data_t* cdc = &cdch_data[dev_addr-1];
+ 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 = &cdch_data[dev_addr-1];
+
+ switch (pipeid)
+ {
+ case CDC_PIPE_NOTIFICATION:
+ return hcd_edpt_busy(dev_addr, p_cdc->ep_notif );
+
+ case CDC_PIPE_DATA_IN:
+ return hcd_edpt_busy(dev_addr, p_cdc->ep_in );
+
+ case CDC_PIPE_DATA_OUT:
+ return hcd_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) &&
+ (CDC_COMM_PROTOCOL_ATCOMMAND <= cdch_data[dev_addr-1].itf_protocol) &&
+ (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)
+{
+ 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 ( hcd_edpt_busy(dev_addr, ep_out) ) return false;
+
+ return hcd_pipe_xfer(dev_addr, ep_out, (void *) p_data, length, is_notify);
+}
+
+bool tuh_cdc_receive(uint8_t dev_addr, void * p_buffer, uint32_t length, bool 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 ( hcd_edpt_busy(dev_addr, ep_in) ) return false;
+
+ return hcd_pipe_xfer(dev_addr, ep_in, p_buffer, length, is_notify);
+}
+
+//--------------------------------------------------------------------+
+// USBH-CLASS DRIVER API
+//--------------------------------------------------------------------+
+void cdch_init(void)
+{
+ tu_memclr(cdch_data, sizeof(cdch_data_t)*CFG_TUSB_HOST_DEVICE_MAX);
+}
+
+bool cdch_open(uint8_t rhport, uint8_t dev_addr, tusb_desc_interface_t const *itf_desc, uint16_t *p_length)
+{
+ // Only support ACM
+ TU_VERIFY( CDC_COMM_SUBCLASS_ABSTRACT_CONTROL_MODEL == itf_desc->bInterfaceSubClass);
+
+ // Only support AT commands, no protocol and vendor specific commands.
+ TU_VERIFY(tu_within(CDC_COMM_PROTOCOL_NONE, itf_desc->bInterfaceProtocol, CDC_COMM_PROTOCOL_ATCOMMAND_CDMA) ||
+ 0xff == itf_desc->bInterfaceProtocol);
+
+ uint8_t const * p_desc;
+ cdch_data_t * p_cdc;
+
+ p_desc = tu_desc_next(itf_desc);
+ p_cdc = &cdch_data[dev_addr-1];
+
+ p_cdc->itf_num = itf_desc->bInterfaceNumber;
+ p_cdc->itf_protocol = itf_desc->bInterfaceProtocol; // TODO 0xff is consider as rndis candidate, other is virtual Com
+
+ //------------- Communication Interface -------------//
+ (*p_length) = sizeof(tusb_desc_interface_t);
+
+ // Communication Functional Descriptors
+ while( TUSB_DESC_CS_INTERFACE == p_desc[DESC_OFFSET_TYPE] )
+ {
+ 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;
+ }
+
+ (*p_length) += p_desc[DESC_OFFSET_LEN];
+ p_desc = tu_desc_next(p_desc);
+ }
+
+ if ( TUSB_DESC_ENDPOINT == p_desc[DESC_OFFSET_TYPE])
+ {
+ // notification endpoint
+ tusb_desc_endpoint_t const * ep_desc = (tusb_desc_endpoint_t const *) p_desc;
+
+ TU_ASSERT( hcd_edpt_open(rhport, dev_addr, ep_desc) );
+ p_cdc->ep_notif = ep_desc->bEndpointAddress;
+
+ (*p_length) += p_desc[DESC_OFFSET_LEN];
+ p_desc = tu_desc_next(p_desc);
+ }
+
+ //------------- Data Interface (if any) -------------//
+ if ( (TUSB_DESC_INTERFACE == p_desc[DESC_OFFSET_TYPE]) &&
+ (TUSB_CLASS_CDC_DATA == ((tusb_desc_interface_t const *) p_desc)->bInterfaceClass) )
+ {
+ (*p_length) += p_desc[DESC_OFFSET_LEN];
+ 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 *ep_desc = (tusb_desc_endpoint_t const *) p_desc;
+ TU_ASSERT(TUSB_DESC_ENDPOINT == ep_desc->bDescriptorType);
+ TU_ASSERT(TUSB_XFER_BULK == ep_desc->bmAttributes.xfer);
+
+ TU_ASSERT(hcd_edpt_open(rhport, dev_addr, ep_desc));
+
+ if ( tu_edpt_dir(ep_desc->bEndpointAddress) == TUSB_DIR_IN )
+ {
+ p_cdc->ep_in = ep_desc->bEndpointAddress;
+ }else
+ {
+ p_cdc->ep_out = ep_desc->bEndpointAddress;
+ }
+
+ (*p_length) += p_desc[DESC_OFFSET_LEN];
+ p_desc = tu_desc_next( p_desc );
+ }
+ }
+
+ // FIXME move to seperate API : connect
+ tusb_control_request_t 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 = 0x03, // dtr on, cst on
+ .wIndex = p_cdc->itf_num,
+ .wLength = 0
+ };
+
+ TU_ASSERT( usbh_control_xfer(dev_addr, &request, NULL) );
+
+ return true;
+}
+
+void cdch_isr(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 );
+}
+
+void cdch_close(uint8_t dev_addr)
+{
+ cdch_data_t * p_cdc = &cdch_data[dev_addr-1];
+ tu_memclr(p_cdc, sizeof(cdch_data_t));
+}
+
+#endif