Diff: USBHostHub/USBHostHub.cpp

Revision:

30:ff42cc7a0d55

Parent:

29:181839dc8cb0

Child:

31:f6d9dbbc1481

--- a/USBHostHub/USBHostHub.cpp	Tue Mar 31 07:44:06 2015 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,274 +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 "USBHostHub.h"
-
-#if MAX_HUB_NB
-
-#include "USBHost.h"
-#include "dbg.h"
-
-#define GET_STATUS 0x00
-#define CLEAR_FEATURE 0x01
-#define GET_STATE 0x02
-#define SET_FEATURE 0x03
-#define GET_DESCRIPTOR 0x06
-
-#define PORT_CONNECTION_FEATURE     (0x00)
-#define PORT_ENABLE_FEATURE         (0x01)
-#define PORT_RESET_FEATURE          (0x04)
-#define PORT_POWER_FEATURE          (0x08)
-
-#define C_PORT_CONNECTION_FEATURE     (16)
-#define C_PORT_ENABLE_FEATURE         (17)
-#define C_PORT_RESET_FEATURE          (20)
-
-#define PORT_CONNECTION   (1 << 0)
-#define PORT_ENABLE       (1 << 1)
-#define PORT_SUSPEND      (1 << 2)
-#define PORT_OVER_CURRENT (1 << 3)
-#define PORT_RESET        (1 << 4)
-#define PORT_POWER        (1 << 8)
-#define PORT_LOW_SPEED    (1 << 9)
-
-#define C_PORT_CONNECTION   (1 << 16)
-#define C_PORT_ENABLE       (1 << 17)
-#define C_PORT_SUSPEND      (1 << 18)
-#define C_PORT_OVER_CURRENT (1 << 19)
-#define C_PORT_RESET        (1 << 20)
-
-USBHostHub::USBHostHub() {
-    host = NULL;
-    init();
-}
-
-void USBHostHub::init() {
-    dev_connected = false;
-    dev = NULL;
-    int_in = NULL;
-    dev_connected = false;
-    hub_intf = -1;
-    hub_device_found = false;
-    nb_port = 0;
-    hub_characteristics = 0;
-
-    for (int i = 0; i < MAX_HUB_PORT; i++) {
-        device_children[i] = NULL;
-    }
-}
-
-void USBHostHub::setHost(USBHost * host_) {
-    host = host_;
-}
-
-bool USBHostHub::connected()
-{
-    return dev_connected;
-}
-
-bool USBHostHub::connect(USBDeviceConnected * dev)
-{
-    if (dev_connected) {
-        return true;
-    }
-
-    if(host->enumerate(dev, this)) {
-        init();
-        return false;
-    }
-
-    if (hub_device_found) {
-        this->dev = dev;
-
-        int_in = dev->getEndpoint(hub_intf, INTERRUPT_ENDPOINT, IN);
-
-        if (!int_in) {
-            init();
-            return false;
-        }
-
-        USB_INFO("New HUB: VID:%04x PID:%04x [dev: %p - intf: %d]", dev->getVid(), dev->getPid(), dev, hub_intf);
-        dev->setName("Hub", hub_intf);
-        host->registerDriver(dev, hub_intf, this, &USBHostHub::disconnect);
-
-        int_in->attach(this, &USBHostHub::rxHandler);
-
-        // get HUB descriptor
-        host->controlRead(  dev,
-                            USB_DEVICE_TO_HOST | USB_REQUEST_TYPE_CLASS,
-                            GET_DESCRIPTOR,
-                            0x29 << 8, 0, buf, sizeof(HubDescriptor));
-        nb_port = buf[2];
-        hub_characteristics = buf[3];
-
-        USB_DBG("Hub has %d port", nb_port);
-
-        for (uint8_t j = 1; j <= nb_port; j++) {
-            setPortFeature(PORT_POWER_FEATURE, j);
-        }
-        wait_ms(buf[5]*2);
-
-        host->interruptRead(dev, int_in, buf, 1, false);
-        dev_connected = true;
-        return true;
-    }
-
-    return false;
-}
-
-void USBHostHub::disconnect() {
-    init();
-}
-
-/*virtual*/ void USBHostHub::setVidPid(uint16_t vid, uint16_t pid)
-{
-    // we don't check VID/PID for MSD driver
-}
-
-/*virtual*/ bool USBHostHub::parseInterface(uint8_t intf_nb, uint8_t intf_class, uint8_t intf_subclass, uint8_t intf_protocol) //Must return true if the interface should be parsed
-{
-    if ((hub_intf == -1) &&
-        (intf_class == HUB_CLASS) &&
-        (intf_subclass == 0) &&
-        (intf_protocol == 0)) {
-        hub_intf = intf_nb;
-        return true;
-    }
-    return false;
-}
-
-/*virtual*/ bool USBHostHub::useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir) //Must return true if the endpoint will be used
-{
-    if (intf_nb == hub_intf) {
-        if ((type == INTERRUPT_ENDPOINT) && (dir == IN)) {
-            hub_device_found = true;
-            return true;
-        }
-    }
-    return false;
-}
-
-void USBHostHub::deviceConnected(USBDeviceConnected * dev) {
-    device_children[dev->getPort() - 1] = dev;
-}
-
-void USBHostHub::deviceDisconnected(USBDeviceConnected * dev) {
-    device_children[dev->getPort() - 1] = NULL;
-}
-
-void USBHostHub::hubDisconnected() {
-    for (uint8_t i = 0; i < MAX_HUB_PORT; i++) {
-        if (device_children[i] != NULL) {
-            host->freeDevice(device_children[i]);
-        }
-    }
-}
-
-void USBHostHub::rxHandler() {
-    uint32_t status;
-    if (int_in) {
-        if (int_in->getState() == USB_TYPE_IDLE) {
-            for (int port = 1; port <= nb_port; port++) {
-                status = getPortStatus(port);
-                USB_DBG("[hub handler hub: %d] status port %d [hub: %p]: 0x%X", dev->getHub(), port, dev, status);
-
-                // if connection status has changed
-                if (status & C_PORT_CONNECTION) {
-                    if (status & PORT_CONNECTION) {
-                        USB_DBG("[hub handler hub: %d - port: %d] new device connected", dev->getHub(), port);
-                        host->deviceConnected(dev->getHub() + 1, port, status & PORT_LOW_SPEED, this);
-                    } else {
-                        USB_DBG("[hub handler hub: %d - port: %d] device disconnected", dev->getHub(), port);
-                        host->deviceDisconnected(dev->getHub() + 1, port, this, 0);
-                    }
-
-                    clearPortFeature(C_PORT_CONNECTION_FEATURE, port);
-                }
-
-                if (status & C_PORT_RESET) {
-                    clearPortFeature(C_PORT_RESET_FEATURE, port);
-                }
-
-                if (status & C_PORT_ENABLE) {
-                    clearPortFeature(C_PORT_ENABLE_FEATURE, port);
-                }
-
-                if ((status & PORT_OVER_CURRENT)) {
-                    USB_ERR("OVER CURRENT DETECTED\r\n");
-                    clearPortFeature(PORT_OVER_CURRENT, port);
-                    host->deviceDisconnected(dev->getHub() + 1, port, this, 0);
-                }
-            }
-        }
-        host->interruptRead(dev, int_in, buf, 1, false);
-    }
-}
-
-void USBHostHub::portReset(uint8_t port) {
-    // reset port
-    uint32_t status;
-    USB_DBG("reset port %d on hub: %p [this: %p]", port, dev, this)
-    setPortFeature(PORT_RESET_FEATURE, port);
-#if defined(TARGET_RZ_A1H)
-    Thread::wait(50);   // Reset release waiting for Hi-Speed check.
-#endif
-    while(1) {
-        status = getPortStatus(port);
-        if (status & (PORT_ENABLE | PORT_RESET))
-            break;
-        if (status & PORT_OVER_CURRENT) {
-            USB_ERR("OVER CURRENT DETECTED\r\n");
-            clearPortFeature(PORT_OVER_CURRENT, port);
-            host->deviceDisconnected(dev->getHub() + 1, port, this, 0);
-            break;
-        }
-        Thread::wait(10);
-    }
-}
-
-void USBHostHub::setPortFeature(uint32_t feature, uint8_t port) {
-    host->controlWrite( dev,
-                        USB_HOST_TO_DEVICE | USB_REQUEST_TYPE_CLASS | USB_RECIPIENT_INTERFACE | USB_RECIPIENT_ENDPOINT,
-                        SET_FEATURE,
-                        feature,
-                        port,
-                        NULL,
-                        0);
-}
-
-void USBHostHub::clearPortFeature(uint32_t feature, uint8_t port) {
-    host->controlWrite( dev,
-                        USB_HOST_TO_DEVICE | USB_REQUEST_TYPE_CLASS | USB_RECIPIENT_INTERFACE | USB_RECIPIENT_ENDPOINT,
-                        CLEAR_FEATURE,
-                        feature,
-                        port,
-                        NULL,
-                        0);
-}
-
-uint32_t USBHostHub::getPortStatus(uint8_t port) {
-    uint32_t st;
-    host->controlRead(  dev,
-                        USB_DEVICE_TO_HOST | USB_REQUEST_TYPE_CLASS | USB_RECIPIENT_INTERFACE | USB_RECIPIENT_ENDPOINT,
-                        GET_STATUS,
-                        0,
-                        port,
-                        (uint8_t *)&st,
-                        4);
-    return st;
-}
-
-#endif