Diff: LPC4088-USBHost/USBHost/BaseUsbHost.cpp

Revision:

1:26a4baad1736

Parent:

0:11152e69fc05

--- a/LPC4088-USBHost/USBHost/BaseUsbHost.cpp	Tue Apr 22 10:54:52 2014 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,301 +0,0 @@
-/* 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_DEBUG
-#include "BaseUsbHostDebug.h"
-#define TEST
-#include "BaseUsbHostTest.h"
-
-USBHost* USBHost::inst = NULL;
-
-USBHost* USBHost::getHostInst() {
-    if (inst == NULL) {
-        inst = new USBHost();
-        inst->init();
-    }
-    return inst;
-}
-
-void USBHost::poll()
-{
-    if (inst) {
-        inst->task();
-    }
-}
-
-USBHost::USBHost() {
-}
-
-/* virtual */ bool USBHost::addDevice(USBDeviceConnected* parent, int port, bool lowSpeed) {
-    USBDeviceConnected* dev = new USBDeviceConnected;
-    USBEndpoint* ep = new USBEndpoint(dev);
-    dev->init(0, port, lowSpeed);
-    dev->setAddress(0);
-    dev->setEpCtl(ep);
-    uint8_t desc[18];
-    wait_ms(100);
-
-    int rc = controlRead(dev, 0x80, GET_DESCRIPTOR, 1<<8, 0, desc, 8);
-    USB_TEST_ASSERT(rc == USB_TYPE_OK);
-    if (rc != USB_TYPE_OK) {
-        USB_ERR("ADD DEVICE FAILD");
-    }
-    USB_DBG_HEX(desc, 8);
-    DeviceDescriptor* dev_desc = reinterpret_cast<DeviceDescriptor*>(desc);
-    ep->setSize(dev_desc->bMaxPacketSize);
-
-    int new_addr = USBDeviceConnected::getNewAddress();
-    rc = controlWrite(dev, 0x00, SET_ADDRESS, new_addr, 0, NULL, 0);
-    USB_TEST_ASSERT(rc == USB_TYPE_OK);
-    dev->setAddress(new_addr);
-    wait_ms(100);
-
-    rc = controlRead(dev, 0x80, GET_DESCRIPTOR, 1<<8, 0, desc, sizeof(desc));
-    USB_TEST_ASSERT(rc == USB_TYPE_OK);
-    USB_DBG_HEX(desc, sizeof(desc));
-
-    dev->setVid(dev_desc->idVendor);
-    dev->setPid(dev_desc->idProduct);
-    dev->setClass(dev_desc->bDeviceClass);
-    USB_INFO("parent:%p port:%d speed:%s VID:%04x PID:%04x class:%02x addr:%d",
-        parent, port, (lowSpeed ? "low " : "full"), dev->getVid(), dev->getPid(), dev->getClass(),
-        dev->getAddress());
-
-    DeviceLists.push_back(dev);
-
-    if (dev->getClass() == HUB_CLASS) {
-        const int config = 1;
-        int rc = controlWrite(dev, 0x00, SET_CONFIGURATION, config, 0, NULL, 0);
-        USB_TEST_ASSERT(rc == USB_TYPE_OK);
-        wait_ms(100);
-        Hub(dev);
-    }
-    return true;
-}
-
-// enumerate a device with the control USBEndpoint
-USB_TYPE USBHost::enumerate(USBDeviceConnected * dev, IUSBEnumerator* pEnumerator)
-{
-    if (dev->getClass() == HUB_CLASS) { // skip hub class
-        return USB_TYPE_OK;
-    }
-    uint8_t desc[18];
-    USB_TYPE rc = controlRead(dev, 0x80, GET_DESCRIPTOR, 1<<8, 0, desc, sizeof(desc));
-    USB_TEST_ASSERT(rc == USB_TYPE_OK);
-    USB_DBG_HEX(desc, sizeof(desc));
-    if (rc != USB_TYPE_OK) {
-        return rc;
-    }
-    DeviceDescriptor* dev_desc = reinterpret_cast<DeviceDescriptor*>(desc);
-    dev->setClass(dev_desc->bDeviceClass);
-    pEnumerator->setVidPid(dev->getVid(), dev->getPid());
-
-    rc = controlRead(dev, 0x80, GET_DESCRIPTOR, 2<<8, 0, desc, 4);
-    USB_TEST_ASSERT(rc == USB_TYPE_OK);
-    USB_DBG_HEX(desc, 4);
-
-    int TotalLength = desc[2]|desc[3]<<8;
-    uint8_t* buf = new uint8_t[TotalLength];
-    rc = controlRead(dev, 0x80, GET_DESCRIPTOR, 2<<8, 0, buf, TotalLength);
-    USB_TEST_ASSERT(rc == USB_TYPE_OK);
-    //USB_DBG_HEX(buf, TotalLength);
-
-    // Parse the configuration descriptor
-    parseConfDescr(dev, buf, TotalLength, pEnumerator);
-    delete[] buf;
-    // only set configuration if not enumerated before
-    if (!dev->isEnumerated()) {
-        USB_DBG("Set configuration 1 on dev: %p", dev);
-        // sixth step: set configuration (only 1 supported)
-        int config = 1;
-        USB_TYPE res = controlWrite(dev, 0x00, SET_CONFIGURATION, config, 0, NULL, 0);
-        if (res != USB_TYPE_OK) {
-            USB_ERR("SET CONF FAILED");
-            return res;
-        }
-        // Some devices may require this delay
-        wait_ms(100);
-        dev->setEnumerated();
-        // Now the device is enumerated!
-        USB_DBG("dev %p is enumerated", dev);
-    }
-    return USB_TYPE_OK;
-}
-
-// this method fills the USBDeviceConnected object: class,.... . It also add endpoints found in the descriptor.
-void USBHost::parseConfDescr(USBDeviceConnected * dev, uint8_t * conf_descr, uint32_t len, IUSBEnumerator* pEnumerator)
-{
-    uint32_t index = 0;
-    uint32_t len_desc = 0;
-    uint8_t id = 0;
-    USBEndpoint * ep = NULL;
-    uint8_t intf_nb = 0;
-    bool parsing_intf = false;
-    uint8_t current_intf = 0;
-    EndpointDescriptor* ep_desc;
-
-    while (index < len) {
-        len_desc = conf_descr[index];
-        id = conf_descr[index+1];
-        USB_DBG_HEX(conf_descr+index, len_desc);
-        switch (id) {
-            case CONFIGURATION_DESCRIPTOR:
-                USB_DBG("dev: %p has %d intf", dev, conf_descr[4]);
-                dev->setNbIntf(conf_descr[4]);
-                break;
-            case INTERFACE_DESCRIPTOR:
-                if(pEnumerator->parseInterface(conf_descr[index + 2], conf_descr[index + 5], conf_descr[index + 6], conf_descr[index + 7])) {
-                    intf_nb++;
-                    current_intf = conf_descr[index + 2];
-                    dev->addInterface(current_intf, conf_descr[index + 5], conf_descr[index + 6], conf_descr[index + 7]);
-                    USB_DBG("ADD INTF %d on device %p: class: %d, subclass: %d, proto: %d", current_intf, dev, conf_descr[index + 5],conf_descr[index + 6],conf_descr[index + 7]);
-                    parsing_intf = true;
-                } else {
-                    parsing_intf = false;
-                }
-                break;
-            case ENDPOINT_DESCRIPTOR:
-                ep_desc = reinterpret_cast<EndpointDescriptor*>(conf_descr+index);
-                if (parsing_intf && (intf_nb <= MAX_INTF) ) {
-                    ENDPOINT_TYPE type = (ENDPOINT_TYPE)(ep_desc->bmAttributes & 0x03);
-                    ENDPOINT_DIRECTION dir = (ep_desc->bEndpointAddress & 0x80) ? IN : OUT;
-                    if(pEnumerator->useEndpoint(current_intf, type, dir)) {
-                        ep = new USBEndpoint(dev);
-                        ep->init(type, dir, ep_desc->wMaxPacketSize, ep_desc->bEndpointAddress);
-                        USB_DBG("ADD USBEndpoint %p, on interf %d on device %p", ep, current_intf, dev);
-                        dev->addEndpoint(current_intf, ep);
-                    }
-                }
-                break;
-            case HID_DESCRIPTOR:
-                //lenReportDescr = conf_descr[index + 7] | (conf_descr[index + 8] << 8);
-                break;
-            default:
-                break;
-        }
-        index += len_desc;
-    }
-}
-
-USB_TYPE USBHost::controlRead(USBDeviceConnected* dev, uint8_t requestType, uint8_t request, uint32_t value, uint32_t index, uint8_t * buf, uint32_t len) {
-    USBEndpoint* ep = dev->getEpCtl();
-    return controlRead(ep, requestType, request, value, index, buf, len);
-}
-
-USB_TYPE USBHost::controlWrite(USBDeviceConnected* dev, uint8_t requestType, uint8_t request, uint32_t value, uint32_t index, uint8_t * buf, uint32_t len) {
-    USBEndpoint* ep = dev->getEpCtl();
-    return controlWrite(ep, requestType, request, value, index, buf, len);
-}
-
-USB_TYPE USBHost::controlRead(USBEndpoint* ep, 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, len);
-    int result = token_setup(ep, &setup, len); // setup stage
-    if (result < 0) {
-        return USB_TYPE_ERROR;
-    }
-
-    result = token_in(ep, buf, len); // data stage
-    if (result < 0) {
-        return USB_TYPE_ERROR;
-    }
-    int read_len = result;
-
-    ep->m_pED->setToggleDATA1();
-    result = token_out(ep); // status stage
-    if (result < 0) {
-        return USB_TYPE_ERROR;
-    }
-    ep->setLengthTransferred(read_len);
-    return USB_TYPE_OK;
-}
-
-USB_TYPE USBHost::controlWrite(USBEndpoint* ep, 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, len);
-    int result = token_setup(ep, &setup, len); // setup stage
-    if (result < 0) {
-        return USB_TYPE_ERROR;
-    }
-    int write_len = 0;
-    if (buf != NULL) {
-        result = token_out(ep, buf, len); // data stage
-        if (result < 0) {
-            return USB_TYPE_ERROR;
-        }
-        write_len = result;
-    }
-    ep->m_pED->setToggleDATA1();
-    result = token_in(ep); // status stage
-    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) {
-        ep->setBuffer(buf, len);
-        ep_queue.push(ep);
-        token_inNB(ep, buf, len);
-        return USB_TYPE_PROCESSING;
-    }
-    int result = token_in(ep, buf, len);
-    if (result >= 0) {
-        ep->setLengthTransferred(result);
-        return USB_TYPE_OK;
-    }
-    return USB_TYPE_ERROR;
-}
-
-USB_TYPE USBHost::bulkWrite(USBDeviceConnected * dev, USBEndpoint* ep, uint8_t * buf, uint32_t len, bool blocking)
-{
-    int result = token_out(ep, buf, len);
-    if (result >= 0) {
-        ep->setLengthTransferred(result);
-        return USB_TYPE_OK;
-    }    
-    return USB_TYPE_ERROR;
-}
-
-USB_TYPE USBHost::interruptRead(USBDeviceConnected * dev, USBEndpoint* ep, uint8_t* buf, uint32_t len, bool blocking) {
-    if (!blocking) {
-        ep->setBuffer(buf, len);
-        ep_queue.push(ep);
-        token_inNB(ep, buf, len);
-        return USB_TYPE_PROCESSING;
-    }
-    int result = token_in(ep, buf, len);
-    if (result >= 0) {
-        ep->setLengthTransferred(result);
-        return USB_TYPE_OK;
-    }
-    return USB_TYPE_ERROR;
-}
-
-void USBHost::task() {
-    USBEndpoint* ep = ep_queue.pop();
-    if (ep) {
-        if (token_inNB_result(ep) == USB_TYPE_OK) {
-            ep->call();
-        } else {
-            ep_queue.push(ep);
-        }
-    }
-}
-