From a00977574537b987250f7f16ee23ba9def42e051 Mon Sep 17 00:00:00 2001
From: hathach <thach@tinyusb.org>
Date: Thu, 16 Apr 2020 16:56:16 +0700
Subject: [PATCH] dcd disconnect/connect for transdimension ip

---
 hw/bsp/mimxrt1015_evk/board.mk                    |  4 ++++
 .../nxp/transdimension/dcd_transdimension.c       | 15 +++++++++++++--
 2 files changed, 17 insertions(+), 2 deletions(-)

diff --git a/hw/bsp/mimxrt1015_evk/board.mk b/hw/bsp/mimxrt1015_evk/board.mk
index abb6bc38b..7df60c2c6 100644
--- a/hw/bsp/mimxrt1015_evk/board.mk
+++ b/hw/bsp/mimxrt1015_evk/board.mk
@@ -50,3 +50,7 @@ JLINK_IF = swd
 # flash by copying bin file to DAP Mass Storage
 flash: $(BUILD)/$(BOARD)-firmware.bin
 	cp $< /media/$(USER)/RT1015-EVK/
+
+# flash using pyocd
+#flash: $(BUILD)/$(BOARD)-firmware.hex
+#	pyocd flash -b MIMXRT1015-EVK $<
diff --git a/src/portable/nxp/transdimension/dcd_transdimension.c b/src/portable/nxp/transdimension/dcd_transdimension.c
index 2872f1435..cea7c2b04 100644
--- a/src/portable/nxp/transdimension/dcd_transdimension.c
+++ b/src/portable/nxp/transdimension/dcd_transdimension.c
@@ -322,7 +322,7 @@ void dcd_init(uint8_t rhport)
 {
   tu_memclr(&_dcd_data, sizeof(dcd_data_t));
 
-  dcd_registers_t* const dcd_reg = _dcd_controller[rhport].regs;
+  dcd_registers_t* dcd_reg = _dcd_controller[rhport].regs;
 
   // Reset controller
   dcd_reg->USBCMD |= USBCMD_RESET;
@@ -342,7 +342,6 @@ void dcd_init(uint8_t rhport)
   dcd_reg->USBINTR = INTR_USB | INTR_ERROR | INTR_PORT_CHANGE | INTR_RESET | INTR_SUSPEND /*| INTR_SOF*/;
 
   dcd_reg->USBCMD &= ~0x00FF0000; // Interrupt Threshold Interval = 0
-  dcd_reg->USBCMD |= TU_BIT(0); // connect
 }
 
 void dcd_int_enable(uint8_t rhport)
@@ -376,6 +375,18 @@ void dcd_remote_wakeup(uint8_t rhport)
   (void) rhport;
 }
 
+void dcd_connect(uint8_t rhport)
+{
+  dcd_registers_t* dcd_reg = _dcd_controller[rhport].regs;
+  dcd_reg->USBCMD |= USBCMD_RUN_STOP;
+}
+
+void dcd_disconnect(uint8_t rhport)
+{
+  dcd_registers_t* dcd_reg = _dcd_controller[rhport].regs;
+  dcd_reg->USBCMD &= ~USBCMD_RUN_STOP;
+}
+
 //--------------------------------------------------------------------+
 // HELPER
 //--------------------------------------------------------------------+