add check device API for stack usage

bool          usbh_device_is_plugged(tusb_handle_device_t const device_hdl);

tests/test/host/test_hid_host_keyboard.c

@@ -66,6 +66,7 @@ void setUp(void)
   instance_num = 0;
   memset(&report, 0, sizeof(tusb_keyboard_report_t));
 
+  keyboard_info_pool[0].instance_count = 0;
   keyboard_info_pool[0].instance[0].pipe_in = 1;
   keyboard_info_pool[0].instance[0].report_size = sizeof(tusb_keyboard_report_t);
 
@@ -91,19 +92,16 @@ void tearDown(void)
 //--------------------------------------------------------------------+
 // keyboard_install, keyboard_no_instances
 //--------------------------------------------------------------------+
-void test_keyboard_install_invalid_para(void)
-{
-  TEST_ASSERT_EQUAL(TUSB_ERROR_INVALID_PARA, class_hid_keyboard_install(TUSB_CFG_HOST_DEVICE_MAX, (uint8_t*) &kbd_descriptor));
-  TEST_ASSERT_EQUAL(TUSB_ERROR_INVALID_PARA, class_hid_keyboard_install(device_hdl, NULL));
-}
-
 void test_keyboard_no_instances_invalid_para(void)
 {
+  usbh_device_is_plugged_IgnoreAndReturn(false);
   TEST_ASSERT_EQUAL(0, tusbh_hid_keyboard_no_instances(TUSB_CFG_HOST_DEVICE_MAX));
 }
 
 void test_keyboard_install_ok(void)
 {
+  usbh_device_is_plugged_IgnoreAndReturn(true);
+
   TEST_ASSERT_EQUAL(0, tusbh_hid_keyboard_no_instances(device_hdl));
   TEST_ASSERT_EQUAL(TUSB_ERROR_NONE, class_hid_keyboard_install(device_hdl, (uint8_t*) &kbd_descriptor));
   TEST_ASSERT_EQUAL(1, tusbh_hid_keyboard_no_instances(device_hdl));
@@ -141,6 +139,7 @@ pipe_status_t pipe_status_get_stub(pipe_handle_t pipe_hdl, int num_call)
 
 void test_keyboard_get_invalid_para()
 {
+  usbh_device_is_plugged_IgnoreAndReturn(false);
   TEST_ASSERT_EQUAL(TUSB_ERROR_INVALID_PARA, tusbh_hid_keyboard_get(0, 0, NULL));
   TEST_ASSERT_EQUAL(TUSB_ERROR_INVALID_PARA, tusbh_hid_keyboard_get(TUSB_CFG_HOST_DEVICE_MAX, 0, &report));
   TEST_ASSERT_EQUAL(TUSB_ERROR_INVALID_PARA, tusbh_hid_keyboard_get(0, TUSB_CFG_HOST_HID_KEYBOARD_NO_INSTANCES_PER_DEVICE, &report));
@@ -148,12 +147,15 @@ void test_keyboard_get_invalid_para()
 
 void test_keyboard_get_class_not_supported()
 {
+  usbh_device_is_plugged_IgnoreAndReturn(true);
   keyboard_info_pool[device_hdl].instance[0].pipe_in = 0;
   TEST_ASSERT_EQUAL(TUSB_ERROR_CLASS_DEVICE_DONT_SUPPORT, tusbh_hid_keyboard_get(device_hdl, instance_num, &report));
 }
 
 void test_keyboard_get_report_not_available()
 {
+  usbh_device_is_plugged_IgnoreAndReturn(true);
+
   usbh_pipe_status_get_IgnoreAndReturn(PIPE_STATUS_BUSY);
   TEST_ASSERT_EQUAL(TUSB_ERROR_CLASS_DATA_NOT_AVAILABLE, tusbh_hid_keyboard_get(device_hdl, instance_num, &report));
 
@@ -163,6 +165,7 @@ void test_keyboard_get_report_not_available()
 
 void test_keyboard_get_ok()
 {
+  usbh_device_is_plugged_IgnoreAndReturn(true);
   usbh_pipe_status_get_StubWithCallback(pipe_status_get_stub);
 
   TEST_ASSERT_EQUAL(TUSB_ERROR_NONE, tusbh_hid_keyboard_get(device_hdl, instance_num, &report));

tinyusb/class/hid_host.c

@@ -61,8 +61,8 @@ tusb_error_t tusbh_hid_keyboard_get(tusb_handle_device_t const device_hdl, uint8
 {
   keyboard_interface_t *p_kbd;
 
+  ASSERT(usbh_device_is_plugged(device_hdl), TUSB_ERROR_INVALID_PARA);
   ASSERT_PTR(report, TUSB_ERROR_INVALID_PARA);
-  ASSERT(device_hdl < TUSB_CFG_HOST_DEVICE_MAX, TUSB_ERROR_INVALID_PARA);
   ASSERT(instance_num < TUSB_CFG_HOST_HID_KEYBOARD_NO_INSTANCES_PER_DEVICE, TUSB_ERROR_INVALID_PARA);
 
   p_kbd = &keyboard_info_pool[device_hdl].instance[instance_num];
@@ -78,13 +78,14 @@ tusb_error_t tusbh_hid_keyboard_get(tusb_handle_device_t const device_hdl, uint8
 
 uint8_t tusbh_hid_keyboard_no_instances(tusb_handle_device_t const device_hdl)
 {
-  return 0;
+  ASSERT(usbh_device_is_plugged(device_hdl), 0);
+
+  return keyboard_info_pool[device_hdl].instance_count;
 }
 
 tusb_error_t class_hid_keyboard_install(uint8_t const dev_addr, uint8_t const *descriptor)
 {
-  ASSERT(dev_addr < TUSB_CFG_HOST_DEVICE_MAX, TUSB_ERROR_INVALID_PARA);
-  ASSERT_PTR(descriptor, TUSB_ERROR_INVALID_PARA);
+  keyboard_info_pool[0].instance_count++;
 
   return TUSB_ERROR_NONE;
 }

tinyusb/host/usbd_host.h

@@ -94,22 +94,21 @@ enum {
 
 typedef uint32_t tusbh_flag_class_t;
 
-typedef struct {
-  uint8_t interface_count;
-  uint8_t attributes;
-} usbh_configure_info_t;
-
 typedef struct {
   uint8_t core_id;
   pipe_handle_t pipe_control;
-  uint8_t configure_count;
 
 #if 0 // TODO allow configure for vendor/product
   uint16_t vendor_id;
   uint16_t product_id;
+
+  uint8_t configure_count;
+  struct {
+    uint8_t interface_count;
+    uint8_t attributes;
+  } configuration;
 #endif
 
-  usbh_configure_info_t configuration;
 } usbh_device_info_t;
 
 typedef enum {
@@ -125,8 +124,8 @@ typedef uint32_t tusb_handle_device_t;
 //--------------------------------------------------------------------+
 // APPLICATION API
 //--------------------------------------------------------------------+
-void         tusbh_device_mounting_cb (tusb_error_t error, tusb_handle_device_t device_hdl, uint32_t *configure_flags, uint8_t number_of_configure);
-void         tusbh_device_mounted_cb (tusb_error_t error, tusb_handle_device_t device_hdl, uint32_t *configure_flags, uint8_t number_of_configure);
+void         tusbh_device_mounting_cb (tusb_error_t const error, tusb_handle_device_t const device_hdl);
+void         tusbh_device_mounted_cb (tusb_error_t const error, tusb_handle_device_t const device_hdl);
 tusb_error_t tusbh_configuration_set     (tusb_handle_device_t const device_hdl, uint8_t const configure_number);
 
 
@@ -134,8 +133,8 @@ tusb_error_t tusbh_configuration_set     (tusb_handle_device_t const device_hdl,
 //--------------------------------------------------------------------+
 // CLASS API
 //--------------------------------------------------------------------+
-usbh_device_info_t*   usbh_device_info_get(tusb_handle_device_t device_hdl);
-pipe_status_t         usbh_pipe_status_get(pipe_handle_t pipe_hdl);
+bool          usbh_device_is_plugged(tusb_handle_device_t const device_hdl);
+pipe_status_t usbh_pipe_status_get(pipe_handle_t pipe_hdl);
 
 #ifdef __cplusplus
  }