Diff: USBHost/USBHost.cpp

Revision:

18:61554f238584

Parent:

16:981c3104f6c0

Child:

27:1b65f379ad07

--- a/USBHost/USBHost.cpp	Mon Jun 23 20:48:53 2014 +0900
+++ b/USBHost/USBHost.cpp	Tue Jul 01 18:33:31 2014 +0900
@@ -1,9 +1,29 @@
+/* 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.
+ */
+
 #include "USBHost.h"
 
+#define USB_TRACE1(A) while(0)
+#undef USB_TEST_ASSERT
+void usb_test_assert_internal(const char *expr, const char *file, int line);
+#define USB_TEST_ASSERT(EXPR) while(!(EXPR)){usb_test_assert_internal(#EXPR,__FILE__,__LINE__);}
+
 USBHost* USBHost::inst = NULL;
 
-USBHost* USBHost::getHostInst()
-{
+USBHost* USBHost::getHostInst() {
     if (inst == NULL) {
         inst = new USBHost();
         inst->init();
@@ -173,198 +193,139 @@
 }
 
 USB_TYPE USBHost::controlRead(USBDeviceConnected* dev, uint8_t requestType, uint8_t request, uint32_t value, uint32_t index, uint8_t * buf, uint32_t len) {
-    SETUP_PACKET setup = {requestType, request, value, index};
-    int result = ControlRead(dev, &setup, buf, len);
-    //USB_DBG2("result=%d %02x", result, LastStatus);
-    return (result >= 0) ? USB_TYPE_OK : USB_TYPE_ERROR;
+    USBEndpoint* ep = dev->getEpCtl();
+    SETUP_PACKET setup(requestType, request, value, index, len);
+
+    int result = token_setup(ep, &setup, len); // setup stage
+    USB_TRACE1(result);
+    if (result < 0) {
+        return USB_TYPE_ERROR;
+    }
+
+    int read_len = multi_token_in(ep, buf, len); // data stage
+    USB_TRACE1(read_len);
+    if (read_len < 0) {
+        return USB_TYPE_ERROR;
+    }
+
+    setToggle(ep, 1); // DATA1
+    result = multi_token_out(ep); // status stage
+    USB_TRACE1(result);
+    if (result < 0) {
+        return USB_TYPE_ERROR;
+    }
+    ep->setLengthTransferred(read_len);
+    return USB_TYPE_OK;
 }
 
 USB_TYPE USBHost::controlWrite(USBDeviceConnected* dev, uint8_t requestType, uint8_t request, uint32_t value, uint32_t index, uint8_t * buf, uint32_t len) {
-    SETUP_PACKET setup = {requestType, request, value, index};
-    int result = ControlWrite(dev, &setup, buf, len);
-    if (result >= 0) {
-        return USB_TYPE_OK;
+    USBEndpoint* ep = dev->getEpCtl();
+    SETUP_PACKET setup(requestType, request, value, index, len);
+
+    int result = token_setup(ep, &setup, len); // setup stage
+    USB_TRACE1(result);
+    if (result < 0) {
+        return USB_TYPE_ERROR;
     }
-    USB_DBG("result=%d %02x", result, LastStatus);
-    USB_DBG_HEX(buf, len);
-    return USB_TYPE_ERROR;
+    int write_len = 0;
+    if (buf != NULL) {
+        write_len = multi_token_out(ep, buf, len); // data stage
+        USB_TRACE1(write_len);
+        if (write_len < 0) {
+            return USB_TYPE_ERROR;
+        }
+    }
+
+    setToggle(ep, 1); // DATA1
+    result = multi_token_in(ep); // status stage
+    USB_TRACE1(result);
+    if (result < 0) {
+        return USB_TYPE_ERROR;
+    }
+    ep->setLengthTransferred(write_len);
+    return USB_TYPE_OK;
 }
 
 USB_TYPE USBHost::bulkRead(USBDeviceConnected* dev, USBEndpoint* ep, uint8_t* buf, uint32_t len, bool blocking) {
     if (blocking == false) {
         ep->setBuffer(buf, len);
         ep_queue.push(ep);
+        multi_token_inNB(ep, buf, len);
         return USB_TYPE_PROCESSING;
     }
-    int result = bulkReadBLOCK(ep, buf, len, -1);
-    if (result >= 0) {
-        return USB_TYPE_OK;
+    int result = multi_token_in(ep, buf, len);
+    USB_TRACE1(result);
+    if (result < 0) {
+        return USB_TYPE_ERROR;
     }
-    //USB_DBG2("result=%d %02x", result, host->LastStatus);
-    return USB_TYPE_ERROR;
+    ep->setLengthTransferred(result);
+    return USB_TYPE_OK;
 }
 
 USB_TYPE USBHost::bulkWrite(USBDeviceConnected* dev, USBEndpoint* ep, uint8_t* buf, uint32_t len, bool blocking) {
     USB_TEST_ASSERT(blocking);
-    int result = bulkWriteNB(ep, buf, len);
-    if (result >= 0) {
-        return USB_TYPE_OK;
+    int result = multi_token_out(ep, buf, len);
+    USB_TRACE1(result);
+    if (result < 0) {
+        return USB_TYPE_ERROR;
     }
-    USB_DBG2("result=%d %02x", result, LastStatus);
-    return USB_TYPE_ERROR;
+    ep->setLengthTransferred(result);
+    return USB_TYPE_OK;
 }
 
 USB_TYPE USBHost::interruptRead(USBDeviceConnected* dev, USBEndpoint* ep, uint8_t* buf, uint32_t len, bool blocking) {
     if (blocking == false) {
         ep->setBuffer(buf, len);
         ep_queue.push(ep);
+        multi_token_inNB(ep, buf, len);
         return USB_TYPE_PROCESSING;
     }
-    interruptReadNB(ep, buf, len);
+    int result = multi_token_in(ep, buf, len);
+    USB_TRACE1(result);
+    if (result < 0) {
+        return USB_TYPE_ERROR;
+    }
+    ep->setLengthTransferred(result);
     return USB_TYPE_OK;
 }
 
 USB_TYPE USBHost::interruptWrite(USBDeviceConnected* dev, USBEndpoint* ep, uint8_t* buf, uint32_t len, bool blocking) {
     USB_TEST_ASSERT(blocking);
-    interruptWriteNB(ep, buf, len);
+    int result = multi_token_out(ep, buf, len);
+    USB_TRACE1(result);
+    if (result < 0) {
+        return USB_TYPE_ERROR;
+    }
+    ep->setLengthTransferred(result);
     return USB_TYPE_OK;
 }
 
 USB_TYPE USBHost::isochronousRead(USBDeviceConnected* dev, USBEndpoint* ep, uint8_t* buf, uint32_t len, bool blocking) {
-    if (blocking == false) {
-        ep->setBuffer(buf, len);
-        ep_queue.push(ep);
-        return USB_TYPE_PROCESSING;
-    }
+    USB_TEST_ASSERT(blocking);
     isochronousReadNB(ep, buf, len);
     return USB_TYPE_OK;
 }
 
-int USBHost::ControlRead(USBDeviceConnected* dev, SETUP_PACKET* setup, uint8_t* data, int size) {
-    USB_TEST_ASSERT(dev);
-    USBEndpoint* ep = dev->getEpCtl();
-    USB_TEST_ASSERT(ep);
-    setAddr(dev->getAddress(), dev->getSpeed());
-    token_setup(ep, setup, size); // setup stage
-    if (LastStatus != ACK) {
-        USB_DBG("setup %02x", LastStatus);
-        return -1;
-    }
-    int read_len = multi_token_in(ep, data, size);
-    if (read_len < 0) {
-        return -1;
-    }
-    ep->setData01(DATA1);
-    int result = multi_token_out(ep); // status stage
-    if (result < 0) {
-        USB_DBG("status token_out %02x", LastStatus);
-        if (LastStatus == STALL) {
-            ep->setLengthTransferred(read_len);
-            return read_len;
-        }
-        return result;
+int USBHost::interruptReadNB(USBEndpoint* ep, uint8_t* data, int size) {
+    USB_TRACE1(size);
+    if (ep->getState() != USB_TYPE_PROCESSING) {
+        ep->setState(USB_TYPE_PROCESSING);
+        ep->setBuffer(data, size);
+        multi_token_inNB(ep, data, size);
     }
-    ep->setLengthTransferred(read_len);
-    return read_len;
-}
-
-int USBHost::ControlWrite(USBDeviceConnected* dev, SETUP_PACKET* setup, uint8_t* data, int size) {
-    USB_TEST_ASSERT(dev);
-    USBEndpoint* ep = dev->getEpCtl();
-    USB_TEST_ASSERT(ep);
-    setAddr(dev->getAddress(), dev->getSpeed());
-    token_setup(ep, setup, size); // setup stage
-    if (LastStatus != ACK) {
-        USB_DBG("setup %02x", LastStatus);
-        return -1;
+    if (multi_token_inNB_result(ep) != USB_TYPE_PROCESSING) {
+        return ep->getLengthTransferred();
     }
-    int write_len = 0;
-    if (data != NULL) {
-        write_len = multi_token_out(ep, data, size);
-        if (write_len < 0) {
-            return -1;
-        }
-    }
-    ep->setData01(DATA1);
-    int result = multi_token_in(ep); // status stage
-    if (result < 0) {
-        USB_DBG("result=%d %02x", result, LastStatus);
-        //return result;
-    }
-    ep->setLengthTransferred(write_len);
-    return write_len;
+    return -1;
 }
 
-int USBHost::interruptReadNB(USBEndpoint* ep, uint8_t* data, int size)
-{
-    USB_TEST_ASSERT(ep);
-    USBDeviceConnected* dev = ep->getDevice();
-    USB_TEST_ASSERT(dev);
-    setAddr(dev->getAddress(), dev->getSpeed());
-    setEndpoint();
-    const bool block = false;
-    int read_len = multi_token_in(ep, data, size, block);
-    if (read_len < 0) {
-        return -1;
-    }
-    ep->setLengthTransferred(read_len);
-    return read_len;
-}
-
-int USBHost::interruptWriteNB(USBEndpoint* ep, const uint8_t* data, int size)
-{
-    USB_TEST_ASSERT(ep);
-    USBDeviceConnected* dev = ep->getDevice();
-    USB_TEST_ASSERT(dev);
-    setAddr(dev->getAddress(), dev->getSpeed());
-    setEndpoint();
-    const bool block = true;
-    int transferred_len = multi_token_out(ep, data, size, block);
-    if (transferred_len < 0) {
-        return -1;
-    }
-    ep->setLengthTransferred(transferred_len);
-    return transferred_len;
-}
-
-int USBHost::bulkReadNB(USBEndpoint* ep, uint8_t* data, int size)
-{
-    return bulkReadBLOCK(ep, data, size, 0);
-}
-
-int USBHost::bulkReadBLOCK(USBEndpoint* ep, uint8_t* data, int size, int timeout_ms) {
-    USB_TEST_ASSERT(ep);
-    USBDeviceConnected* dev = ep->getDevice();
-    USB_TEST_ASSERT(dev);
-    setAddr(dev->getAddress());
-    setEndpoint();
-    bool block = (timeout_ms != 0);
-    int read_len = multi_token_in(ep, data, size, block);
-    if (read_len < 0) {
-        return -1;
-    }
-    ep->setLengthTransferred(read_len);
-    return read_len;
-}
-
-int USBHost::bulkWriteNB(USBEndpoint* ep, const uint8_t* data, int size) {
-    USB_TEST_ASSERT(ep);
-    USBDeviceConnected* dev = ep->getDevice();
-    USB_TEST_ASSERT(dev);
-    setAddr(dev->getAddress());
-    setEndpoint();
-    int write_len = multi_token_out(ep, data, size);
-    if (write_len < 0) {
-        return -1;
-    }
-    ep->setLengthTransferred(write_len);
-    return write_len;
+int USBHost::bulkReadNB(USBEndpoint* ep, uint8_t* data, int size) {
+    USB_TRACE1(size);
+    return interruptReadNB(ep, data, size);
 }
 
 int USBHost::isochronousReadNB(USBEndpoint* ep, uint8_t* data, int size) {
-    USBDeviceConnected* dev = ep->getDevice();
-    USB_TEST_ASSERT(dev);
-    setAddr(dev->getAddress());
+    USB_TRACE1(size);
     int result = token_iso_in(ep, data, size);
     if (result >= 0) {
          ep->setLengthTransferred(result);
@@ -372,30 +333,19 @@
     return result;
 }
 
-void USBHost::task()
-{
-    if (ep_queue.empty()) {
-        return;
-    }
+void USBHost::task() {
     USBEndpoint* ep = ep_queue.pop();
-    USB_TEST_ASSERT(ep);
-    ep->setLengthTransferred(0);
-    switch(ep->getType()) {
-        case INTERRUPT_ENDPOINT:
-            if (ep->getDir() == IN) {
-                interruptReadNB(ep, ep->getBufStart(), ep->getBufSize());
-            }
-            break;
-        case BULK_ENDPOINT:
-            if (ep->getDir() == IN) {
-                bulkReadNB(ep, ep->getBufStart(), ep->getBufSize());
-            }
-            break;
-        case ISOCHRONOUS_ENDPOINT:
-            if (ep->getDir() == IN) {
-                isochronousReadNB(ep, ep->getBufStart(), ep->getBufSize());
-            }
-            break;
+    if (ep) {
+        USB_TEST_ASSERT(ep->getDir() == IN);
+        if (multi_token_inNB_result(ep) != USB_TYPE_PROCESSING) {
+            ep->call();
+        } else {
+            ep_queue.push(ep);
+        }
     }
-    ep->call();
 }
+
+void usb_test_assert_internal(const char *expr, const char *file, int line){
+    error("\n\n%s@%d %s ASSERT!\n\n", file, line, expr);
+}
+