add class_hid_keyboard_init and test code

add define _TINY_USB_SOURCE_FILE_ to hide internal API from application

2 files changed, 17 insertions, 4 deletions

diff --git a/tinyusb/class/hid_host.c b/tinyusb/class/hid_host.c
index d71aa8d52..3853f2538 100644
--- a/tinyusb/class/hid_host.c
+++ b/tinyusb/class/hid_host.c
@@ -39,6 +39,8 @@
 
 #if defined TUSB_CFG_HOST && defined DEVICE_CLASS_HID
 
+#define _TINY_USB_SOURCE_FILE_
+
 //--------------------------------------------------------------------+
 // INCLUDE
 //--------------------------------------------------------------------+
@@ -55,7 +57,7 @@ class_hid_keyboard_info_t keyboard_info_pool[TUSB_CFG_HOST_DEVICE_MAX];
 
 
 //--------------------------------------------------------------------+
-// IMPLEMENTATION
+// PUBLIC API
 //--------------------------------------------------------------------+
 tusb_error_t tusbh_hid_keyboard_get(tusb_handle_device_t const device_hdl, uint8_t instance_num, tusb_keyboard_report_t * const report)
 {
@@ -83,6 +85,14 @@ uint8_t tusbh_hid_keyboard_no_instances(tusb_handle_device_t const device_hdl)
   return keyboard_info_pool[device_hdl].instance_count;
 }
 
+//--------------------------------------------------------------------+
+// CLASS-USBD API
+//--------------------------------------------------------------------+
+tusb_error_t class_hid_keyboard_init(void)
+{
+  memset(&keyboard_info_pool, 0, sizeof(class_hid_keyboard_info_t)*TUSB_CFG_HOST_DEVICE_MAX);
+}
+
 tusb_error_t class_hid_keyboard_install(uint8_t const dev_addr, uint8_t const *descriptor)
 {
   keyboard_info_pool[0].instance_count++;
@@ -90,6 +100,4 @@ tusb_error_t class_hid_keyboard_install(uint8_t const dev_addr, uint8_t const *d
   return TUSB_ERROR_NONE;
 }
 
-
 #endif
-
diff --git a/tinyusb/class/hid_host.h b/tinyusb/class/hid_host.h
index 0dab9f08b..a34a813d9 100644
--- a/tinyusb/class/hid_host.h
+++ b/tinyusb/class/hid_host.h
@@ -67,19 +67,24 @@ tusb_error_t tusbh_hid_keyboard_get(tusb_handle_device_t const handle, uint8_t i
 //--------------------------------------------------------------------+
 // INTERNAL API
 //--------------------------------------------------------------------+
+#ifdef _TINY_USB_SOURCE_FILE_
+
 typedef struct {
   pipe_handle_t pipe_in;
   uint8_t report_size;
   uint8_t buffer[TUSB_CFG_HOST_HID_KEYBOARD_ENDPOINT_SIZE];
 }keyboard_interface_t;
 
-typedef struct { // TODO internal structure
+typedef struct {
   uint8_t instance_count;
   keyboard_interface_t instance[TUSB_CFG_HOST_HID_KEYBOARD_NO_INSTANCES_PER_DEVICE];
 } class_hid_keyboard_info_t;
 
+tusb_error_t class_hid_keyboard_init(void);
 tusb_error_t class_hid_keyboard_install(uint8_t const dev_addr, uint8_t const *descriptor);
 
+#endif
+
 #ifdef __cplusplus
 }
 #endif