From 7976a7d8491b4d9511a14cbb14df29841b45b1c0 Mon Sep 17 00:00:00 2001
From: Tilman Sauerbeck <tilman@code-monkey.de>
Date: Thu, 4 Jul 2019 06:52:42 +0200
Subject: [PATCH] common: Remove unused function USB_VcomReadBlocking().

---
 src/common/virtual_com.c | 52 ----------------------------------------
 src/common/virtual_com.h | 12 ----------
 2 files changed, 64 deletions(-)

diff --git a/src/common/virtual_com.c b/src/common/virtual_com.c
index 933b8fd..454e103 100644
--- a/src/common/virtual_com.c
+++ b/src/common/virtual_com.c
@@ -105,7 +105,6 @@ static uint8_t s_currRecvBuf[DATA_BUFF_SIZE];
 volatile static uint32_t s_recvSize = 0;
 volatile static uint32_t s_sendSize = 0;
 volatile static uint8_t s_sendComplete = 0;
-volatile static uint8_t s_currRecvIndex = 0;
 static uint32_t s_usbBulkMaxPacketSize = FS_CDC_VCOM_BULK_OUT_PACKET_SIZE;
 /*******************************************************************************
 * Prototypes
@@ -637,57 +636,6 @@ flush_tx_buffer (void *user_data, void *vbuf, size_t bufsiz, size_t count)
 	return count;
 }
 
-/* See virtual_com.h for documentation of this function. */
-status_t USB_VcomReadBlocking(usb_device_handle baseAddr, uint8_t *buf, size_t count)
-{
-    status_t error = kStatus_Success;
-    size_t bufIndex = 0U, bytesToReceive = 0U;
-    assert(count != 0U);
-
-    /* Waiting for the USB ready. */
-    while ((s_cdcVcom.attach != 1) || (s_cdcVcom.startTransactions != 1))
-    {
-    };
-
-    do
-    {
-        /* If no receive request. */
-        if (s_recvSize <= 0)
-        {
-            if (kStatus_USB_Success !=
-                USB_DeviceRecvRequest(baseAddr, USB_CDC_VCOM_BULK_OUT_ENDPOINT, s_currRecvBuf, s_usbBulkMaxPacketSize))
-            {
-                return kStatus_Fail;
-            }
-            s_currRecvIndex = 0;
-        }
-        /* Waiting for data received by virtual com. */
-        while (s_recvSize <= 0)
-        {
-        };
-
-        /* When receive request is error. */
-        if (0xFFFFFFFFU == s_recvSize)
-        {
-            /* Waiting for the USB ready and transfer started. */
-            while ((s_cdcVcom.attach != 1) || (s_cdcVcom.startTransactions != 1))
-            {
-            };
-            s_recvSize = 0;
-        }
-        else
-        {
-            bytesToReceive = MIN(count, s_recvSize);
-            memcpy((void *)&buf[bufIndex], s_currRecvBuf + s_currRecvIndex, bytesToReceive);
-            count -= bytesToReceive;
-            s_recvSize -= bytesToReceive;
-            bufIndex += bytesToReceive;
-            s_currRecvIndex += bytesToReceive;
-        }
-    } while (0U != count);
-    return error;
-}
-
 /* See virtual_com.h for documentation of this function. */
 usb_device_handle USB_VcomInit(void)
 {
diff --git a/src/common/virtual_com.h b/src/common/virtual_com.h
index 5c15353..1b512ad 100644
--- a/src/common/virtual_com.h
+++ b/src/common/virtual_com.h
@@ -136,18 +136,6 @@ usb_device_handle USB_VcomInit(void);
  */
 void USB_VcomDeinit(usb_device_handle deviceHandle);
 
-/*!
- * @brief USB recive data from host using a blocking method.
- *
- * This function recives data from host by usb cdc protocol
- * @param baseAddr pointer to USB device handle.
- * @param buf pointer to the data.
- * @param count size of the transfer.
- *
- * @return A USB error code or kStatus_USB_Success.
- */
-status_t USB_VcomReadBlocking(usb_device_handle baseAddr, uint8_t *buf, size_t count);
-
 /*!
  * @brief USB send data to host using a blocking method.
  *
-- 
2.30.2