change class driver open return type to bool

2 files changed, 21 insertions, 21 deletions

diff --git a/src/class/cdc/cdc_device.c b/src/class/cdc/cdc_device.c
index a865ba3c5..fc124627d 100644
--- a/src/class/cdc/cdc_device.c
+++ b/src/class/cdc/cdc_device.c
@@ -229,16 +229,14 @@ void cdcd_reset(uint8_t rhport)
   }

 }

 

-tusb_error_t cdcd_open(uint8_t rhport, tusb_desc_interface_t const * itf_desc, uint16_t *p_length)

+bool cdcd_open(uint8_t rhport, tusb_desc_interface_t const * itf_desc, uint16_t *p_length)

 {

-  if ( CDC_COMM_SUBCLASS_ABSTRACT_CONTROL_MODEL != itf_desc->bInterfaceSubClass) return TUSB_ERROR_CDC_UNSUPPORTED_SUBCLASS;

+  // Only support ACM subclass

+  TU_ASSERT ( CDC_COMM_SUBCLASS_ABSTRACT_CONTROL_MODEL == itf_desc->bInterfaceSubClass);

 

   // Only support AT commands, no protocol and vendor specific commands.

-  if ( !(tu_within(CDC_COMM_PROTOCOL_NONE, itf_desc->bInterfaceProtocol, CDC_COMM_PROTOCOL_ATCOMMAND_CDMA) ||

-         itf_desc->bInterfaceProtocol == 0xff ) )

-  {

-    return TUSB_ERROR_CDC_UNSUPPORTED_PROTOCOL;

-  }

+  TU_ASSERT(tu_within(CDC_COMM_PROTOCOL_NONE, itf_desc->bInterfaceProtocol, CDC_COMM_PROTOCOL_ATCOMMAND_CDMA) ||

+            itf_desc->bInterfaceProtocol == 0xff);

 

   // Find available interface

   cdcd_interface_t * p_cdc = NULL;

@@ -250,23 +248,25 @@ tusb_error_t cdcd_open(uint8_t rhport, tusb_desc_interface_t const * itf_desc, u
       break;

     }

   }

+  TU_ASSERT(p_cdc);

 

   //------------- Control Interface -------------//

-  p_cdc->itf_num  = itf_desc->bInterfaceNumber;

+  p_cdc->itf_num = itf_desc->bInterfaceNumber;

 

   uint8_t const * p_desc = tu_desc_next( itf_desc );

   (*p_length) = sizeof(tusb_desc_interface_t);

 

   // Communication Functional Descriptors

-  while( TUSB_DESC_CLASS_SPECIFIC == p_desc[DESC_OFFSET_TYPE] )

+  while ( TUSB_DESC_CLASS_SPECIFIC == tu_desc_type(p_desc) )

   {

-    (*p_length) += p_desc[DESC_OFFSET_LEN];

+    (*p_length) += tu_desc_len(p_desc);

     p_desc = tu_desc_next(p_desc);

   }

 

-  if ( TUSB_DESC_ENDPOINT == p_desc[DESC_OFFSET_TYPE])

-  { // notification endpoint if any

-    TU_ASSERT( dcd_edpt_open(rhport, (tusb_desc_endpoint_t const *) p_desc), TUSB_ERROR_DCD_OPEN_PIPE_FAILED);

+  if ( TUSB_DESC_ENDPOINT == tu_desc_type(p_desc) )

+  {

+    // notification endpoint if any

+    TU_ASSERT( dcd_edpt_open(rhport, (tusb_desc_endpoint_t const *) p_desc) );

 

     p_cdc->ep_notif = ((tusb_desc_endpoint_t const *) p_desc)->bEndpointAddress;

 

@@ -278,21 +278,21 @@ tusb_error_t cdcd_open(uint8_t rhport, tusb_desc_interface_t const * itf_desc, u
   if ( (TUSB_DESC_INTERFACE == p_desc[DESC_OFFSET_TYPE]) &&

        (TUSB_CLASS_CDC_DATA == ((tusb_desc_interface_t const *) p_desc)->bInterfaceClass) )

   {

-    // next to endpoint descritpor

-    (*p_length) += p_desc[DESC_OFFSET_LEN];

+    // next to endpoint descriptor

+    (*p_length) += tu_desc_len(p_desc);

     p_desc = tu_desc_next(p_desc);

 

     // Open endpoint pair with usbd helper

     tusb_desc_endpoint_t const *p_desc_ep = (tusb_desc_endpoint_t const *) p_desc;

-    TU_ASSERT_ERR( usbd_open_edpt_pair(rhport, p_desc_ep, TUSB_XFER_BULK, &p_cdc->ep_out, &p_cdc->ep_in) );

+    TU_ASSERT( usbd_open_edpt_pair(rhport, p_desc_ep, TUSB_XFER_BULK, &p_cdc->ep_out, &p_cdc->ep_in) );

 

     (*p_length) += 2*sizeof(tusb_desc_endpoint_t);

   }

 

   // Prepare for incoming data

-  TU_ASSERT( dcd_edpt_xfer(rhport, p_cdc->ep_out, p_cdc->epout_buf, CFG_TUD_CDC_EPSIZE), TUSB_ERROR_DCD_EDPT_XFER);

+  TU_ASSERT( dcd_edpt_xfer(rhport, p_cdc->ep_out, p_cdc->epout_buf, CFG_TUD_CDC_EPSIZE) );

 

-  return TUSB_ERROR_NONE;

+  return true;

 }

 

 // Invoked when class request DATA stage is finished.

diff --git a/src/class/cdc/cdc_device.h b/src/class/cdc/cdc_device.h
index 9dd837d7d..03aa2485e 100644
--- a/src/class/cdc/cdc_device.h
+++ b/src/class/cdc/cdc_device.h
@@ -112,12 +112,12 @@ ATTR_WEAK void tud_cdc_line_coding_cb(uint8_t itf, cdc_line_coding_t const* p_li
 //--------------------------------------------------------------------+

 #ifdef _TINY_USB_SOURCE_FILE_

 

-void         cdcd_init               (void);

-tusb_error_t cdcd_open               (uint8_t rhport, tusb_desc_interface_t const * p_interface_desc, uint16_t *p_length);

+void cdcd_init               (void);

+bool cdcd_open               (uint8_t rhport, tusb_desc_interface_t const * p_interface_desc, uint16_t *p_length);

 bool cdcd_control_request (uint8_t rhport, tusb_control_request_t const * p_request);

 bool cdcd_control_request_complete (uint8_t rhport, tusb_control_request_t const * p_request);

 tusb_error_t cdcd_xfer_cb            (uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint32_t xferred_bytes);

-void         cdcd_reset              (uint8_t rhport);

+void cdcd_reset              (uint8_t rhport);

 

 #endif