check hid write return val because test hid in task not in isr

demo/cdc_acm_hid_msc_template.c

@@ -13,7 +13,7 @@
 
 /*!< endpoint address */
 #define HID_INT_EP          0x86
-#define HID_INT_EP_SIZE     8
+#define HID_INT_EP_SIZE     4
 #define HID_INT_EP_INTERVAL 10
 
 #define USBD_VID           0xFFFF
@@ -230,7 +230,7 @@ static struct hid_mouse mouse_cfg;
 #define HID_STATE_BUSY 1
 
 /*!< hid state ! Data can be sent only when state is idle  */
-static uint8_t hid_state = HID_STATE_IDLE;
+static volatile uint8_t hid_state = HID_STATE_IDLE;
 
 /* function ------------------------------------------------------------------*/
 static void usbd_hid_int_callback(uint8_t ep, uint32_t nbytes)
@@ -337,7 +337,10 @@ void hid_mouse_test(void)
     /*!< move mouse pointer */
     mouse_cfg.x += 10;
     mouse_cfg.y = 0;
-    usbd_ep_start_write(HID_INT_EP, (uint8_t *)&mouse_cfg, 4);
+    int ret = usbd_ep_start_write(HID_INT_EP, (uint8_t *)&mouse_cfg, 4);
+    if (ret < 0) {
+        return;
+    }
     while (hid_state == HID_STATE_BUSY) {
     }
 }

demo/hid_custom_inout_template.c

@@ -1,9 +1,6 @@
 #include "usbd_core.h"
 #include "usbd_hid.h"
 
-#define HID_STATE_IDLE 0
-#define HID_STATE_BUSY 1
-
 /*!< hidraw in endpoint */
 #define HIDRAW_IN_EP       0x81
 #define HIDRAW_IN_SIZE     64
@@ -19,9 +16,6 @@
 #define USBD_MAX_POWER     100
 #define USBD_LANGID_STRING 1033
 
-/*!< hid state ! Data can be sent only when state is idle  */
-static uint8_t custom_state = HID_STATE_IDLE;
-
 /*!< config descriptor size */
 #define USB_HID_CONFIG_DESC_SIZ (9 + 9 + 9 + 7 + 7)
 
@@ -166,6 +160,12 @@ static const uint8_t hid_custom_report_desc[HID_CUSTOM_REPORT_DESC_SIZE] = {
 
 USB_NOCACHE_RAM_SECTION USB_MEM_ALIGNX uint8_t read_buffer[2048];
 
+#define HID_STATE_IDLE 0
+#define HID_STATE_BUSY 1
+
+/*!< hid state ! Data can be sent only when state is idle  */
+static volatile uint8_t custom_state = HID_STATE_IDLE;
+
 void usbd_configure_done_callback(void)
 {
     /* setup first out ep read transfer */
@@ -175,10 +175,7 @@ void usbd_configure_done_callback(void)
 static void usbd_hid_custom_in_callback(uint8_t ep, uint32_t nbytes)
 {
     USB_LOG_RAW("actual in len:%d\r\n", nbytes);
-    if (custom_state == HID_STATE_BUSY) {
+    custom_state = HID_STATE_IDLE;
-        /*!< update the state  */
-        custom_state = HID_STATE_IDLE;
-    }
 }
 
 static void usbd_hid_custom_out_callback(uint8_t ep, uint32_t nbytes)
@@ -218,7 +215,10 @@ void hid_custom_test(void)
 {
     uint8_t sendbuffer[64] = { 0x00, 0x00, HID_KBD_USAGE_A, 0x00, 0x00, 0x00, 0x00, 0x00 };
     custom_state = HID_STATE_BUSY;
-    usbd_ep_start_write(HIDRAW_IN_EP, sendbuffer, 8);
+    int ret = usbd_ep_start_write(HIDRAW_IN_EP, sendbuffer, 8);
+    if (ret < 0) {
+        return;
+    }
     while (custom_state == HID_STATE_BUSY) {
     }
 }

demo/hid_keyboard_template.c

@@ -181,21 +181,16 @@ void usbd_configure_done_callback(void)
 #define HID_STATE_BUSY 1
 
 /*!< hid state ! Data can be sent only when state is idle  */
-static uint8_t hid_state = HID_STATE_IDLE;
+static volatile uint8_t hid_state = HID_STATE_IDLE;
 
 void usbd_hid_int_callback(uint8_t ep, uint32_t nbytes)
 {
-    /*!< endpoint call back */
+    hid_state = HID_STATE_IDLE;
-    /*!< transfer successfully */
-    if (hid_state == HID_STATE_BUSY) {
-        /*!< update the state  */
-        hid_state = HID_STATE_IDLE;
-    }
 }
 
 static struct usbd_endpoint hid_in_ep = {
     .ep_cb = usbd_hid_int_callback,
-    .ep_addr = 0x81
+    .ep_addr = HID_INT_EP
 };
 
 void hid_keyboard_init(void)
@@ -211,7 +206,10 @@ void hid_keyboard_test(void)
 {
     uint8_t sendbuffer[8] = { 0x00, 0x00, HID_KBD_USAGE_A, 0x00, 0x00, 0x00, 0x00, 0x00 }; //A
     hid_state = HID_STATE_BUSY;
-    usbd_ep_start_write(HID_INT_EP, sendbuffer, 8);
+    int ret = usbd_ep_start_write(HID_INT_EP, sendbuffer, 8);
+    if (ret < 0) {
+        return;
+    }
     while (hid_state == HID_STATE_BUSY) {
     }
 }

demo/hid_mouse_template.c

@@ -1,12 +1,9 @@
 #include "usbd_core.h"
 #include "usbd_hid.h"
 
-#define HID_STATE_IDLE 0
-#define HID_STATE_BUSY 1
-
 /*!< endpoint address */
 #define HID_INT_EP          0x81
-#define HID_INT_EP_SIZE     8
+#define HID_INT_EP_SIZE     4
 #define HID_INT_EP_INTERVAL 10
 
 #define USBD_VID           0xffff
@@ -191,8 +188,11 @@ struct hid_mouse {
 /*!< mouse report */
 static struct hid_mouse mouse_cfg;
 
+#define HID_STATE_IDLE 0
+#define HID_STATE_BUSY 1
+
 /*!< hid state ! Data can be sent only when state is idle  */
-static uint8_t hid_state = HID_STATE_IDLE;
+static volatile uint8_t hid_state = HID_STATE_IDLE;
 
 void usbd_configure_done_callback(void)
 {
@@ -202,18 +202,13 @@ void usbd_configure_done_callback(void)
 /* function ------------------------------------------------------------------*/
 static void usbd_hid_int_callback(uint8_t ep, uint32_t nbytes)
 {
-    /*!< endpoint call back */
+    hid_state = HID_STATE_IDLE;
-    /*!< transfer successfully */
-    if (hid_state == HID_STATE_BUSY) {
-        /*!< update the state  */
-        hid_state = HID_STATE_IDLE;
-    }
 }
 
 /*!< endpoint call back */
 static struct usbd_endpoint hid_in_ep = {
     .ep_cb = usbd_hid_int_callback,
-    .ep_addr = 0x81
+    .ep_addr = HID_INT_EP
 };
 
 /* function ------------------------------------------------------------------*/
@@ -250,7 +245,10 @@ void hid_mouse_test(void)
     mouse_cfg.x += 10;
     mouse_cfg.y = 0;
     hid_state = HID_STATE_BUSY;
-    usbd_ep_start_write(HID_INT_EP, (uint8_t *)&mouse_cfg, 4);
+    int ret = usbd_ep_start_write(HID_INT_EP, (uint8_t *)&mouse_cfg, 4);
+    if (ret < 0) {
+        return;
+    }
     while (hid_state == HID_STATE_BUSY) {
     }
 }