add hid example

rt-thread/SConscript

@@ -38,6 +38,9 @@ if GetDepend(["PKG_TINYUSB_DEVICE_HID"]):
 
 if GetDepend(["PKG_TINYUSB_DEVICE_EXAMPLE_CDC"]):
     src += ["example/cdc_example.c"]
+
+if GetDepend(["PKG_TINYUSB_DEVICE_EXAMPLE_HID"]):
+    src += ["example/hid_example.c"]
   
 LOCAL_CFLAGS = ''
 

rt-thread/example/hid_example.c

@@ -0,0 +1,114 @@
+/*
+ * Copyright (c) 2006-2022, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2022-04-04     tfx2001      first version
+ */
+
+#include <stdarg.h>
+#include <stdint.h>
+#include <math.h>
+
+#include <rtthread.h>
+#include <tusb.h>
+
+#include "../usb_descriptor.h"
+
+#define CIRCLE_RADIUS 300
+
+static const uint8_t conv_table[128][2] =  { HID_ASCII_TO_KEYCODE };
+static struct rt_semaphore hid_sem;
+
+void tud_hid_report_complete_cb(uint8_t instance, uint8_t const* report, uint8_t len)
+{
+    (void) instance;
+    (void) report;
+    (void) len;
+
+    rt_sem_release(&hid_sem);
+}
+
+static void hid_press_key(uint8_t modifier, uint8_t keycode)
+{
+    uint8_t keycode_array[6] = {0};
+
+    keycode_array[0] = keycode;
+    tud_hid_keyboard_report(REPORT_ID_KEYBOARD, modifier, keycode_array);
+    rt_sem_take(&hid_sem, 100);
+    keycode_array[0] = 0;
+    tud_hid_keyboard_report(REPORT_ID_KEYBOARD, 0, keycode_array);
+    rt_sem_take(&hid_sem, 100);
+}
+
+static void hid_type_str_fmt(const char *fmt, ...)
+{
+    uint8_t  keycode;
+    uint8_t  modifier;
+    uint32_t length;
+    va_list  args;
+    char     buffer[64];
+    char     chr;
+
+    va_start(args, fmt);
+    rt_vsnprintf(buffer, 64, fmt, args);
+
+    length = rt_strlen(buffer);
+    for (int i = 0; i < length; i++)
+    {
+        chr = buffer[i];
+        if (conv_table[chr][0])
+        {
+            modifier = KEYBOARD_MODIFIER_LEFTSHIFT;
+        }
+        else
+        {
+            modifier = 0;
+        }
+        keycode = conv_table[chr][1];
+        hid_press_key(modifier, keycode);
+    }
+}
+
+void hid_example(void)
+{
+    float last_x_pos = CIRCLE_RADIUS, x_pos;
+    float last_y_pos = 0, y_pos;
+
+    // Init semaphore
+    rt_sem_init(&hid_sem, "hid", 0, RT_IPC_FLAG_PRIO);
+
+    if (tud_connected())
+    {
+        // Make the mouse move like a circle
+        for (int i = 0; i < 360; i++)
+        {
+            x_pos = cosf((float)i / 57.3F) * CIRCLE_RADIUS;
+            y_pos = sinf((float)i / 57.3F) * CIRCLE_RADIUS;
+
+            tud_hid_mouse_report(REPORT_ID_MOUSE, 0,
+                                 (int8_t)(x_pos - last_x_pos), (int8_t)(y_pos - last_y_pos), 0, 0);
+            rt_sem_take(&hid_sem, 100);
+
+            last_x_pos = x_pos;
+            last_y_pos = y_pos;
+        }
+        rt_thread_mdelay(500);
+
+        // Open notepad and type something...
+        hid_press_key(KEYBOARD_MODIFIER_LEFTGUI, HID_KEY_R);
+        rt_thread_mdelay(500);
+        hid_type_str_fmt("notepad\n\n");
+        rt_thread_mdelay(2000);
+        hid_type_str_fmt("This is RT-Thread TinyUSB demo.\n");
+    }
+    else
+    {
+        rt_kprintf("please connect USB port\n");
+    }
+
+    rt_sem_detach(&hid_sem);
+}
+MSH_CMD_EXPORT(hid_example, TinyUSB hid example)

rt-thread/port/hid_device_port.c

@@ -18,7 +18,7 @@ TU_ATTR_WEAK uint16_t tud_hid_get_report_cb(uint8_t instance, uint8_t report_id,
     (void) buffer;
     (void) reqlen;
 	
-		return 0;
+    return 0;
 }
 
 TU_ATTR_WEAK void tud_hid_set_report_cb(uint8_t instance, uint8_t report_id, hid_report_type_t report_type, uint8_t const* buffer, uint16_t bufsize)