add weak attribute to HID callback

Author: vanbwodonk

src/arduino/Adafruit_USBH_Host.cpp

@@ -52,7 +52,7 @@ void Adafruit_USBH_Host::task(void) { tuh_task(); }
 // tuh_hid_parse_report_descriptor() can be used to parse common/simple enough
 // descriptor. Note: if report descriptor length > CFG_TUH_ENUMERATION_BUFSIZE,
 // it will be skipped therefore report_desc = NULL, desc_len = 0
-void tuh_hid_mount_cb(uint8_t dev_addr, uint8_t instance,
+TU_ATTR_WEAK void tuh_hid_mount_cb(uint8_t dev_addr, uint8_t instance,
                       uint8_t const *desc_report, uint16_t desc_len) {
   (void)dev_addr;
   (void)instance;
@@ -61,13 +61,13 @@ void tuh_hid_mount_cb(uint8_t dev_addr, uint8_t instance,
 }
 
 // Invoked when device with hid interface is un-mounted
-void tuh_hid_umount_cb(uint8_t dev_addr, uint8_t instance) {
+TU_ATTR_WEAK void tuh_hid_umount_cb(uint8_t dev_addr, uint8_t instance) {
   (void)dev_addr;
   (void)instance;
 }
 
 // Invoked when received report from device via interrupt endpoint
-void tuh_hid_report_received_cb(uint8_t dev_addr, uint8_t instance,
+TU_ATTR_WEAK void tuh_hid_report_received_cb(uint8_t dev_addr, uint8_t instance,
                                 uint8_t const *report, uint16_t len) {
   (void)dev_addr;
   (void)instance;