clean up warnings

src/class/cdc/cdc_device.c

@@ -302,6 +302,8 @@ tusb_error_t cdcd_open(uint8_t rhport, tusb_desc_interface_t const * p_interface
 // return false to stall control endpoint (e.g Host send non-sense DATA)
 bool cdcd_control_request_complete(uint8_t rhport, tusb_control_request_t const * request)
 {
+  (void) rhport;
+
   //------------- Class Specific Request -------------//
   TU_VERIFY (request->bmRequestType_bit.type == TUSB_REQ_TYPE_CLASS);
 
@@ -358,8 +360,10 @@ bool cdcd_control_request(uint8_t rhport, tusb_control_request_t const * request
   return true;
 }
 
-tusb_error_t cdcd_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t event, uint32_t xferred_bytes)
+tusb_error_t cdcd_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint32_t xferred_bytes)
 {
+  (void) result;
+
   // TODO Support multiple interfaces
   uint8_t const itf = 0;
   cdcd_interface_t* p_cdc = &_cdcd_itf[itf];
@@ -367,16 +371,14 @@ tusb_error_t cdcd_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t event,
   // receive new data
   if ( ep_addr == p_cdc->ep_out )
   {
-    char const wanted = p_cdc->wanted_char;
-
     for(uint32_t i=0; i<xferred_bytes; i++)
     {
       tu_fifo_write(&p_cdc->rx_ff, &p_cdc->epout_buf[i]);
 
       // Check for wanted char and invoke callback if needed
-      if ( tud_cdc_rx_wanted_cb && ( wanted != -1 ) && ( wanted == p_cdc->epout_buf[i] ) )
+      if ( tud_cdc_rx_wanted_cb && ( ((signed char) p_cdc->wanted_char) != -1 ) && ( p_cdc->wanted_char == p_cdc->epout_buf[i] ) )
       {
-        tud_cdc_rx_wanted_cb(itf, wanted);
+        tud_cdc_rx_wanted_cb(itf, p_cdc->wanted_char);
       }
     }
 

src/class/cdc/cdc_device.h

@@ -116,7 +116,7 @@ void         cdcd_init               (void);
 tusb_error_t 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 edpt_addr, xfer_result_t event, uint32_t xferred_bytes);
+tusb_error_t cdcd_xfer_cb            (uint8_t rhport, uint8_t edpt_addr, xfer_result_t result, uint32_t xferred_bytes);
 void         cdcd_reset              (uint8_t rhport);
 
 #endif

src/class/hid/hid_device.c

@@ -418,7 +418,6 @@ bool hidd_control_request(uint8_t rhport, tusb_control_request_t const * p_reque
 
     if (p_request->bRequest == TUSB_REQ_GET_DESCRIPTOR && desc_type == HID_DESC_TYPE_REPORT)
     {
-      // Cast away the const on p_hid->desc_report because we know it won't be modified.
       usbd_control_xfer(rhport, p_request, (void *)p_hid->desc_report, p_hid->desc_len);
     }else
     {

src/class/msc/msc_device.c

@@ -146,6 +146,7 @@ void mscd_init(void)
 
 void mscd_reset(uint8_t rhport)
 {
+  (void) rhport;
   tu_memclr(&_mscd_itf, sizeof(mscd_interface_t));
 }
 
@@ -201,6 +202,9 @@ bool mscd_control_request(uint8_t rhport, tusb_control_request_t const * p_reque
 // return false to stall control endpoint (e.g Host send non-sense DATA)
 bool mscd_control_request_complete(uint8_t rhport, tusb_control_request_t const * p_request)
 {
+  (void) rhport;
+  (void) p_request;
+
   // nothing to do
   return true;
 }
@@ -208,6 +212,7 @@ bool mscd_control_request_complete(uint8_t rhport, tusb_control_request_t const
 // return length of response (copied to buffer), -1 if it is not an built-in commands
 int32_t proc_builtin_scsi(msc_cbw_t const * p_cbw, uint8_t* buffer, uint32_t bufsize)
 {
+  (void) bufsize; // TODO refractor later
   int32_t ret;
 
   switch ( p_cbw->command[0] )