add pre-init/post-deinit callback

Signed-off-by: HiFiPhile <admin@hifiphile.com>

Author: HiFiPhile

src/device/usbd.c

@@ -84,6 +84,14 @@ TU_ATTR_WEAK bool tud_vendor_control_xfer_cb(uint8_t rhport, uint8_t stage, tusb
   return false;
 }
 
+TU_ATTR_WEAK void tud_pre_init_cb(uint8_t rhport) {
+  (void) rhport;
+}
+
+TU_ATTR_WEAK void tud_post_deinit_cb(uint8_t rhport) {
+  (void) rhport;
+}
+
 TU_ATTR_WEAK bool dcd_deinit(uint8_t rhport) {
   (void) rhport;
   return false;
@@ -561,6 +569,9 @@ bool tud_rhport_init(uint8_t rhport, const tusb_rhport_init_t* rh_init) {
 
   _usbd_rhport = rhport;
 
+  // MCU specific pre-init
+  tud_pre_init_cb(rhport);
+
   // Init device controller driver
   TU_ASSERT(dcd_init(rhport, rh_init));
   dcd_int_enable(rhport);
@@ -580,6 +591,9 @@ bool tud_deinit(uint8_t rhport) {
   dcd_disconnect(rhport);
   TU_ASSERT(dcd_deinit(rhport));
 
+  // MCU specific post-deinit
+  tud_post_deinit_cb(rhport);
+
   // Deinit class drivers
   for (uint8_t i = 0; i < TOTAL_DRIVER_COUNT; i++) {
     usbd_class_driver_t const* driver = get_driver(i);

src/device/usbd.h

@@ -175,6 +175,12 @@ void tud_sof_cb(uint32_t frame_count);
 // Invoked when received control request with VENDOR TYPE
 bool tud_vendor_control_xfer_cb(uint8_t rhport, uint8_t stage, tusb_control_request_t const * request);
 
+// Invoked before tud_init() to allow MCU specific pre-initialization
+void tud_pre_init_cb(uint8_t rhport);
+
+// Invoked after tud_deinit() to allow MCU specific post-de-initialization
+void tud_post_deinit_cb(uint8_t rhport);
+
 //--------------------------------------------------------------------+
 // Binary Device Object Store (BOS) Descriptor Templates
 //--------------------------------------------------------------------+

src/host/usbh.c

@@ -101,6 +101,13 @@ TU_ATTR_WEAK void tuh_umount_cb(uint8_t daddr) {
   (void) daddr;
 }
 
+TU_ATTR_WEAK void tuh_pre_init_cb(uint8_t rhport) {
+  (void) rhport;
+}
+
+TU_ATTR_WEAK void tuh_post_deinit_cb(uint8_t rhport) {
+  (void) rhport;
+}
 //--------------------------------------------------------------------+
 // Data Structure
 //--------------------------------------------------------------------+
@@ -522,6 +529,9 @@ bool tuh_rhport_init(uint8_t rhport, const tusb_rhport_init_t* rh_init) {
     }
   }
 
+  // MCU specific pre-init
+  tuh_pre_init_cb(rhport);
+
   // Init host controller
   _usbh_data.controller_id = rhport;
   TU_ASSERT(hcd_init(rhport, rh_init));
@@ -540,6 +550,9 @@ bool tuh_deinit(uint8_t rhport) {
   TU_ASSERT(hcd_deinit(rhport));
   _usbh_data.controller_id = TUSB_INDEX_INVALID_8;
 
+  // MCU specific post-deinit
+  tuh_post_deinit_cb(rhport);
+
   // "unplug" all devices on this rhport (hub_addr = 0, hub_port = 0)
   process_removed_device(rhport, 0, 0);
 

src/host/usbh.h

@@ -134,6 +134,12 @@ void tuh_umount_cb(uint8_t daddr);
 // Invoked when there is a new usb event, which need to be processed by tuh_task()/tuh_task_ext()
 void tuh_event_hook_cb(uint8_t rhport, uint32_t eventid, bool in_isr);
 
+// Invoked before tuh_init() to allow MCU specific pre-initialization
+void tuh_pre_init_cb(uint8_t rhport);
+
+// Invoked after tuh_deinit() to allow MCU specific post de-initialization
+void tuh_post_deinit_cb(uint8_t rhport);
+
 //--------------------------------------------------------------------+
 // APPLICATION API
 //--------------------------------------------------------------------+