Diff: USBHost/TARGET_STM/USBEndpoint_STM.cpp

Revision:

1:ab240722d7ef

Child:

3:1c76b46ad779

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/USBHost/TARGET_STM/USBEndpoint_STM.cpp	Wed Feb 15 10:49:44 2017 +0100
@@ -0,0 +1,139 @@
+/* mbed USBHost Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#if defined(TARGET_STM) && defined(USBHOST_OTHER)
+
+#include "dbg.h"
+#include "USBEndpoint.h"
+extern uint32_t HAL_HCD_HC_GetMaxPacket(HCD_HandleTypeDef *hhcd, uint8_t chn_num);
+extern uint32_t HAL_HCD_HC_GetType(HCD_HandleTypeDef *hhcd, uint8_t chn_num);
+
+
+void USBEndpoint::init(HCED * hced_, ENDPOINT_TYPE type_, ENDPOINT_DIRECTION dir_, uint32_t size, uint8_t ep_number, HCTD* td_list_[2])
+{
+    hced = hced_;
+    type = type_;
+    dir = dir_;
+    setup = (type == CONTROL_ENDPOINT) ? true : false;
+
+    //TDs have been allocated by the host
+    memcpy((HCTD**)td_list, td_list_, sizeof(HCTD*)*2); //TODO: Maybe should add a param for td_list size... at least a define
+    memset(td_list_[0], 0, sizeof(HCTD));
+    memset(td_list_[1], 0, sizeof(HCTD));
+
+    td_list[0]->ep = this;
+    td_list[1]->ep = this;
+
+    address = (ep_number & 0x7F) | ((dir - 1) << 7);
+    this->size = size;
+    this->ep_number = ep_number;
+    transfer_len = 0;
+    transferred = 0;
+    buf_start = 0;
+    nextEp = NULL;
+
+    td_current = td_list[0];
+    td_next = td_list[1];
+
+    intf_nb = 0;
+
+    state = USB_TYPE_IDLE;
+}
+void USBEndpoint::setSize(uint32_t size)
+{
+    this->size = size;
+}
+
+
+void USBEndpoint::setDeviceAddress(uint8_t addr)
+{
+    this->device_address = addr;
+    HAL_HCD_HC_Init((HCD_HandleTypeDef*)hced->hhcd,hced->ch_num, address, addr, HCD_SPEED_FULL,  type, size);
+}
+
+void USBEndpoint::setSpeed(uint8_t speed)
+{
+    this->speed = speed;
+}
+
+
+
+void USBEndpoint::setState(uint8_t st) {
+    if (st > 18)
+        return;
+    if (state == USB_TYPE_FREE) HAL_HCD_HC_Halt((HCD_HandleTypeDef*)hced->hhcd, hced->ch_num);
+
+    state = (USB_TYPE)st;
+}
+
+
+extern uint32_t HAL_HCD_HC_GetMaxPacket(HCD_HandleTypeDef *hhcd, uint8_t chn_num);
+extern uint32_t HAL_HCD_HC_GetType(HCD_HandleTypeDef *hhcd, uint8_t chn_num);
+
+ 
+USB_TYPE USBEndpoint::queueTransfer()
+{
+    HCD_HandleTypeDef *hhcd = (HCD_HandleTypeDef*)hced->hhcd;
+    uint32_t *addr = &((uint32_t *)hhcd->pData)[hced->ch_num];
+    uint32_t type = HAL_HCD_HC_GetType(hhcd, hced->ch_num);
+    uint32_t max_size =  HAL_HCD_HC_GetMaxPacket(hhcd, hced->ch_num);
+    /*  if a packet is queue on disconnected ; no solution for now */
+    if(*addr == (uint32_t) -1) {
+        /* set td as disconnected  */
+        td_current->state =  USB_TYPE_DISCONNECTED;
+        return USB_TYPE_DISCONNECTED;
+    }
+    MBED_ASSERT(*addr ==0);
+    if ((type == EP_TYPE_BULK) || (type== EP_TYPE_CTRL)) {
+        transfer_len =   td_current->size <= max_size ? td_current->size : max_size;
+        transferred = td_current->size;
+    } else  {
+        transfer_len =   td_current->size;
+        transferred = td_current->size;
+        MBED_ASSERT(transferred <= (int)max_size);
+    }
+    buf_start = (uint8_t *)td_current->currBufPtr;
+
+    //Now add this free TD at this end of the queue
+    state = USB_TYPE_PROCESSING;
+    /*  one request */
+    td_current->nextTD = (hcTd*)0;
+
+    *addr = (uint32_t)td_current;
+    /*  dir /setup is inverted for ST */
+    /* token is useful only ctrl endpoint */
+    /*  last parameter is ping ? */
+    MBED_ASSERT(HAL_HCD_HC_SubmitRequest((HCD_HandleTypeDef*)hced->hhcd, hced->ch_num, dir-1, type,!setup,(uint8_t*) td_current->currBufPtr, transfer_len, 0)==HAL_OK);
+    return USB_TYPE_PROCESSING;
+}
+
+void USBEndpoint::unqueueTransfer(volatile HCTD * td)
+{
+
+    uint32_t *addr = &((uint32_t *)((HCD_HandleTypeDef*)hced->hhcd)->pData)[hced->ch_num];
+    td->state=0;
+    td->currBufPtr=0;
+    td->size=0;
+    td->nextTD=0;
+    *addr = 0;
+    td_current = td_next;
+    td_next = td;
+}
+
+void USBEndpoint::queueEndpoint(USBEndpoint * ed)
+{
+    nextEp = ed;
+}
+#endif