Don't assume ints automatically convert to enums

IAR generates warning Pe188 'enumerated type mixed with another type'.

Author: Ben Avison

examples/device/audio_4_channel_mic/src/main.c

@@ -287,7 +287,7 @@ bool tud_audio_get_req_entity_cb(uint8_t rhport, tusb_control_request_t const *
 
         // Those are dummy values for now
         ret.bNrChannels = 1;
-        ret.bmChannelConfig = 0;
+        ret.bmChannelConfig = (audio_channel_config_t) 0;
         ret.iChannelNames = 0;
 
         TU_LOG2("    Get terminal connector\r\n");

examples/device/audio_test/src/main.c

@@ -288,7 +288,7 @@ bool tud_audio_get_req_entity_cb(uint8_t rhport, tusb_control_request_t const *
 
         // Those are dummy values for now
         ret.bNrChannels = 1;
-        ret.bmChannelConfig = 0;
+        ret.bmChannelConfig = (audio_channel_config_t) 0;
         ret.iChannelNames = 0;
 
         TU_LOG2("    Get terminal connector\r\n");

src/class/cdc/cdc_host.c

@@ -245,7 +245,7 @@ bool cdch_set_config(uint8_t dev_addr, uint8_t itf_num)
 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 );
+  tuh_cdc_xfer_isr( dev_addr, event, (cdc_pipeid_t) 0, xferred_bytes );
   return true;
 }
 

src/host/usbh.c

@@ -449,7 +449,7 @@ void tuh_task_ext(uint32_t timeout_ms, bool in_isr)
         {
           // device 0 only has control endpoint
           TU_ASSERT(epnum == 0, );
-          usbh_control_xfer_cb(event.dev_addr, ep_addr, event.xfer_complete.result, event.xfer_complete.len);
+          usbh_control_xfer_cb(event.dev_addr, ep_addr, (xfer_result_t) event.xfer_complete.result, event.xfer_complete.len);
         }
         else
         {
@@ -461,14 +461,14 @@ void tuh_task_ext(uint32_t timeout_ms, bool in_isr)
 
           if ( 0 == epnum )
           {
-            usbh_control_xfer_cb(event.dev_addr, ep_addr, event.xfer_complete.result, event.xfer_complete.len);
+            usbh_control_xfer_cb(event.dev_addr, ep_addr, (xfer_result_t) event.xfer_complete.result, event.xfer_complete.len);
           }else
           {
             uint8_t drv_id = dev->ep2drv[epnum][ep_dir];
             if(drv_id < USBH_CLASS_DRIVER_COUNT)
             {
               TU_LOG2("%s xfer callback\r\n", usbh_class_drivers[drv_id].name);
-              usbh_class_drivers[drv_id].xfer_cb(event.dev_addr, ep_addr, event.xfer_complete.result, event.xfer_complete.len);
+              usbh_class_drivers[drv_id].xfer_cb(event.dev_addr, ep_addr, (xfer_result_t) event.xfer_complete.result, event.xfer_complete.len);
             }
             else
             {

src/portable/raspberrypi/rp2040/dcd_rp2040.c

@@ -201,7 +201,7 @@ static void __tusb_irq_path_func(hw_handle_buff_status)(void)
             usb_hw_clear->buf_status = bit;
 
             // IN transfer for even i, OUT transfer for odd i
-            struct hw_endpoint *ep = hw_endpoint_get_by_num(i >> 1u, !(i & 1u));
+            struct hw_endpoint *ep = hw_endpoint_get_by_num(i >> 1u, !(i & 1u) ? TUSB_DIR_IN : TUSB_DIR_OUT);
 
             // Continue xfer
             bool done = hw_endpoint_xfer_continue(ep);