1fe4406f37
b9e0ea0 Merge commit '7fa9d8bdea3773d1195b04d98fcf27cf48ddd81d' as 'tool/mbed/mbed-sdk' 7fa9d8b Squashed 'tool/mbed/mbed-sdk/' content from commit 7c21ce5 git-subtree-dir: tmk_core git-subtree-split: b9e0ea08cb940de20b3610ecdda18e9d8cd7c552
274 lines
8 KiB
C++
274 lines
8 KiB
C++
/* 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
|