Merge pull request #41 from espressif/fix/usbd_cleanup_dcd_fix_epin_counter

fix(usbd/dcd_dwc2): Fixed epin counter assert, update buffer name for usbd_control debug

Author: roma-jam

src/device/usbd_control.c

@@ -174,7 +174,7 @@ bool usbd_control_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t result,
   if (_ctrl_xfer.request.bmRequestType_bit.direction == TUSB_DIR_OUT) {
     TU_VERIFY(_ctrl_xfer.buffer);
     memcpy(_ctrl_xfer.buffer, _ctrl_epbuf.buf, xferred_bytes);
-    TU_LOG_MEM(CFG_TUD_LOG_LEVEL, _usbd_ctrl_buf, xferred_bytes, 2);
+    TU_LOG_MEM(CFG_TUD_LOG_LEVEL, _ctrl_xfer.buffer, xferred_bytes, 2);
   }
 
   _ctrl_xfer.total_xferred += (uint16_t) xferred_bytes;

src/portable/synopsys/dwc2/dcd_dwc2.c

@@ -195,8 +195,8 @@ static bool dfifo_alloc(uint8_t rhport, uint8_t ep_addr, uint16_t packet_size) {
     }
   } else {
     // Check IN endpoints concurrently active limit
-    if(_dwc2_controller->ep_in_count) {
-      TU_ASSERT(_dcd_data.allocated_epin_count < _dwc2_controller->ep_in_count);
+    if(dwc2_controller->ep_in_count) {
+      TU_ASSERT(_dcd_data.allocated_epin_count < dwc2_controller->ep_in_count);
       _dcd_data.allocated_epin_count++;
     }
 
@@ -543,7 +543,7 @@ void dcd_edpt_close_all(uint8_t rhport) {
   dwc2_regs_t* dwc2 = DWC2_REG(rhport);
   uint8_t const ep_count = _dwc2_controller[rhport].ep_count;
 
-  _dcd_data.allocated_epin_count = 1;
+  _dcd_data.allocated_epin_count = 0;
 
   // Disable non-control interrupt
   dwc2->daintmsk = (1 << DAINTMSK_OEPM_Pos) | (1 << DAINTMSK_IEPM_Pos);
@@ -654,7 +654,7 @@ static void handle_bus_reset(uint8_t rhport) {
   tu_memclr(xfer_status, sizeof(xfer_status));
 
   _dcd_data.sof_en = false;
-  _dcd_data.allocated_epin_count = 1;
+  _dcd_data.allocated_epin_count = 0;
 
   // 1. NAK for all OUT endpoints
   for (uint8_t n = 0; n < ep_count; n++) {