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path: root/tmk_core/protocol/usb_hid/USB_Host_Shield_2.0/usbhub.cpp
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Diffstat (limited to 'tmk_core/protocol/usb_hid/USB_Host_Shield_2.0/usbhub.cpp')
-rw-r--r--tmk_core/protocol/usb_hid/USB_Host_Shield_2.0/usbhub.cpp425
1 files changed, 0 insertions, 425 deletions
diff --git a/tmk_core/protocol/usb_hid/USB_Host_Shield_2.0/usbhub.cpp b/tmk_core/protocol/usb_hid/USB_Host_Shield_2.0/usbhub.cpp
deleted file mode 100644
index 7fed48e781..0000000000
--- a/tmk_core/protocol/usb_hid/USB_Host_Shield_2.0/usbhub.cpp
+++ /dev/null
@@ -1,425 +0,0 @@
-/* Copyright (C) 2011 Circuits At Home, LTD. All rights reserved.
-
-This software may be distributed and modified under the terms of the GNU
-General Public License version 2 (GPL2) as published by the Free Software
-Foundation and appearing in the file GPL2.TXT included in the packaging of
-this file. Please note that GPL2 Section 2[b] requires that all works based
-on this software must also be made publicly available under the terms of
-the GPL2 ("Copyleft").
-
-Contact information
--------------------
-
-Circuits At Home, LTD
-Web : http://www.circuitsathome.com
-e-mail : support@circuitsathome.com
- */
-#include "usbhub.h"
-
-bool USBHub::bResetInitiated = false;
-
-USBHub::USBHub(USB *p) :
-pUsb(p),
-bAddress(0),
-bNbrPorts(0),
-//bInitState(0),
-qNextPollTime(0),
-bPollEnable(false) {
- epInfo[0].epAddr = 0;
- epInfo[0].maxPktSize = 8;
- epInfo[0].epAttribs = 0;
- epInfo[0].bmNakPower = USB_NAK_MAX_POWER;
-
- epInfo[1].epAddr = 1;
- epInfo[1].maxPktSize = 8; //kludge
- epInfo[1].epAttribs = 0;
- epInfo[1].bmNakPower = USB_NAK_NOWAIT;
-
- if(pUsb)
- pUsb->RegisterDeviceClass(this);
-}
-
-uint8_t USBHub::Init(uint8_t parent, uint8_t port, bool lowspeed) {
- uint8_t buf[32];
- USB_DEVICE_DESCRIPTOR * udd = reinterpret_cast<USB_DEVICE_DESCRIPTOR*>(buf);
- HubDescriptor* hd = reinterpret_cast<HubDescriptor*>(buf);
- USB_CONFIGURATION_DESCRIPTOR * ucd = reinterpret_cast<USB_CONFIGURATION_DESCRIPTOR*>(buf);
- uint8_t rcode;
- UsbDevice *p = NULL;
- EpInfo *oldep_ptr = NULL;
- uint8_t len = 0;
- uint16_t cd_len = 0;
-
- //USBTRACE("\r\nHub Init Start ");
- //D_PrintHex<uint8_t > (bInitState, 0x80);
-
- AddressPool &addrPool = pUsb->GetAddressPool();
-
- //switch (bInitState) {
- // case 0:
- if(bAddress)
- return USB_ERROR_CLASS_INSTANCE_ALREADY_IN_USE;
-
- // Get pointer to pseudo device with address 0 assigned
- p = addrPool.GetUsbDevicePtr(0);
-
- if(!p)
- return USB_ERROR_ADDRESS_NOT_FOUND_IN_POOL;
-
- if(!p->epinfo)
- return USB_ERROR_EPINFO_IS_NULL;
-
- // Save old pointer to EP_RECORD of address 0
- oldep_ptr = p->epinfo;
-
- // Temporary assign new pointer to epInfo to p->epinfo in order to avoid toggle inconsistence
- p->epinfo = epInfo;
-
- p->lowspeed = lowspeed;
-
- // Get device descriptor
- rcode = pUsb->getDevDescr(0, 0, 8, (uint8_t*)buf);
-
- p->lowspeed = false;
-
- if(!rcode)
- len = (buf[0] > 32) ? 32 : buf[0];
-
- if(rcode) {
- // Restore p->epinfo
- p->epinfo = oldep_ptr;
- return rcode;
- }
-
- // Extract device class from device descriptor
- // If device class is not a hub return
- if(udd->bDeviceClass != 0x09)
- return USB_DEV_CONFIG_ERROR_DEVICE_NOT_SUPPORTED;
-
- // Allocate new address according to device class
- bAddress = addrPool.AllocAddress(parent, (udd->bDeviceClass == 0x09) ? true : false, port);
-
- if(!bAddress)
- return USB_ERROR_OUT_OF_ADDRESS_SPACE_IN_POOL;
-
- // Extract Max Packet Size from the device descriptor
- epInfo[0].maxPktSize = udd->bMaxPacketSize0;
-
- // Assign new address to the device
- rcode = pUsb->setAddr(0, 0, bAddress);
-
- if(rcode) {
- // Restore p->epinfo
- p->epinfo = oldep_ptr;
- addrPool.FreeAddress(bAddress);
- bAddress = 0;
- return rcode;
- }
-
- //USBTRACE2("\r\nHub address: ", bAddress );
-
- // Restore p->epinfo
- p->epinfo = oldep_ptr;
-
- if(len)
- rcode = pUsb->getDevDescr(bAddress, 0, len, (uint8_t*)buf);
-
- if(rcode)
- goto FailGetDevDescr;
-
- // Assign epInfo to epinfo pointer
- rcode = pUsb->setEpInfoEntry(bAddress, 2, epInfo);
-
- if(rcode)
- goto FailSetDevTblEntry;
-
- // bInitState = 1;
-
- // case 1:
- // Get hub descriptor
- rcode = GetHubDescriptor(0, 8, buf);
-
- if(rcode)
- goto FailGetHubDescr;
-
- // Save number of ports for future use
- bNbrPorts = hd->bNbrPorts;
-
- // bInitState = 2;
-
- // case 2:
- // Read configuration Descriptor in Order To Obtain Proper Configuration Value
- rcode = pUsb->getConfDescr(bAddress, 0, 8, 0, buf);
-
- if(!rcode) {
- cd_len = ucd->wTotalLength;
- rcode = pUsb->getConfDescr(bAddress, 0, cd_len, 0, buf);
- }
- if(rcode)
- goto FailGetConfDescr;
-
- // The following code is of no practical use in real life applications.
- // It only intended for the usb protocol sniffer to properly parse hub-class requests.
- {
- uint8_t buf2[24];
-
- rcode = pUsb->getConfDescr(bAddress, 0, buf[0], 0, buf2);
-
- if(rcode)
- goto FailGetConfDescr;
- }
-
- // Set Configuration Value
- rcode = pUsb->setConf(bAddress, 0, buf[5]);
-
- if(rcode)
- goto FailSetConfDescr;
-
- // bInitState = 3;
-
- // case 3:
- // Power on all ports
- for(uint8_t j = 1; j <= bNbrPorts; j++)
- SetPortFeature(HUB_FEATURE_PORT_POWER, j, 0); //HubPortPowerOn(j);
-
- pUsb->SetHubPreMask();
- bPollEnable = true;
- // bInitState = 0;
- //}
- //bInitState = 0;
- //USBTRACE("...OK\r\n");
- return 0;
-
- // Oleg, No debugging?? -- xxxajk
-FailGetDevDescr:
- goto Fail;
-
-FailSetDevTblEntry:
- goto Fail;
-
-FailGetHubDescr:
- goto Fail;
-
-FailGetConfDescr:
- goto Fail;
-
-FailSetConfDescr:
- goto Fail;
-
-Fail:
- USBTRACE("...FAIL\r\n");
- return rcode;
-}
-
-uint8_t USBHub::Release() {
- pUsb->GetAddressPool().FreeAddress(bAddress);
-
- if(bAddress == 0x41)
- pUsb->SetHubPreMask();
-
- bAddress = 0;
- bNbrPorts = 0;
- qNextPollTime = 0;
- bPollEnable = false;
- return 0;
-}
-
-uint8_t USBHub::Poll() {
- uint8_t rcode = 0;
-
- if(!bPollEnable)
- return 0;
-
- if(((long)(millis() - qNextPollTime) >= 0L)) {
- rcode = CheckHubStatus();
- qNextPollTime = millis() + 100;
- }
- return rcode;
-}
-
-uint8_t USBHub::CheckHubStatus() {
- uint8_t rcode;
- uint8_t buf[8];
- uint16_t read = 1;
-
- rcode = pUsb->inTransfer(bAddress, 1, &read, buf);
-
- if(rcode)
- return rcode;
-
- //if (buf[0] & 0x01) // Hub Status Change
- //{
- // pUsb->PrintHubStatus(addr);
- // rcode = GetHubStatus(1, 0, 1, 4, buf);
- // if (rcode)
- // {
- // USB_HOST_SERIAL.print("GetHubStatus Error");
- // USB_HOST_SERIAL.println(rcode, HEX);
- // return rcode;
- // }
- //}
- for(uint8_t port = 1, mask = 0x02; port < 8; mask <<= 1, port++) {
- if(buf[0] & mask) {
- HubEvent evt;
- evt.bmEvent = 0;
-
- rcode = GetPortStatus(port, 4, evt.evtBuff);
-
- if(rcode)
- continue;
-
- rcode = PortStatusChange(port, evt);
-
- if(rcode == HUB_ERROR_PORT_HAS_BEEN_RESET)
- return 0;
-
- if(rcode)
- return rcode;
- }
- } // for
-
- for(uint8_t port = 1; port <= bNbrPorts; port++) {
- HubEvent evt;
- evt.bmEvent = 0;
-
- rcode = GetPortStatus(port, 4, evt.evtBuff);
-
- if(rcode)
- continue;
-
- if((evt.bmStatus & bmHUB_PORT_STATE_CHECK_DISABLED) != bmHUB_PORT_STATE_DISABLED)
- continue;
-
- // Emulate connection event for the port
- evt.bmChange |= bmHUB_PORT_STATUS_C_PORT_CONNECTION;
-
- rcode = PortStatusChange(port, evt);
-
- if(rcode == HUB_ERROR_PORT_HAS_BEEN_RESET)
- return 0;
-
- if(rcode)
- return rcode;
- } // for
- return 0;
-}
-
-void USBHub::ResetHubPort(uint8_t port) {
- HubEvent evt;
- evt.bmEvent = 0;
- uint8_t rcode;
-
- ClearPortFeature(HUB_FEATURE_C_PORT_ENABLE, port, 0);
- ClearPortFeature(HUB_FEATURE_C_PORT_CONNECTION, port, 0);
- SetPortFeature(HUB_FEATURE_PORT_RESET, port, 0);
-
-
- for(int i = 0; i < 3; i++) {
- rcode = GetPortStatus(port, 4, evt.evtBuff);
- if(rcode) break; // Some kind of error, bail.
- if(evt.bmEvent == bmHUB_PORT_EVENT_RESET_COMPLETE || evt.bmEvent == bmHUB_PORT_EVENT_LS_RESET_COMPLETE) {
- break;
- }
- delay(100); // simulate polling.
- }
- ClearPortFeature(HUB_FEATURE_C_PORT_RESET, port, 0);
- ClearPortFeature(HUB_FEATURE_C_PORT_CONNECTION, port, 0);
- delay(20);
-}
-
-uint8_t USBHub::PortStatusChange(uint8_t port, HubEvent &evt) {
- switch(evt.bmEvent) {
- // Device connected event
- case bmHUB_PORT_EVENT_CONNECT:
- case bmHUB_PORT_EVENT_LS_CONNECT:
- if(bResetInitiated)
- return 0;
-
- ClearPortFeature(HUB_FEATURE_C_PORT_ENABLE, port, 0);
- ClearPortFeature(HUB_FEATURE_C_PORT_CONNECTION, port, 0);
- SetPortFeature(HUB_FEATURE_PORT_RESET, port, 0);
- bResetInitiated = true;
- return HUB_ERROR_PORT_HAS_BEEN_RESET;
-
- // Device disconnected event
- case bmHUB_PORT_EVENT_DISCONNECT:
- ClearPortFeature(HUB_FEATURE_C_PORT_ENABLE, port, 0);
- ClearPortFeature(HUB_FEATURE_C_PORT_CONNECTION, port, 0);
- bResetInitiated = false;
-
- UsbDeviceAddress a;
- a.devAddress = 0;
- a.bmHub = 0;
- a.bmParent = bAddress;
- a.bmAddress = port;
- pUsb->ReleaseDevice(a.devAddress);
- return 0;
-
- // Reset complete event
- case bmHUB_PORT_EVENT_RESET_COMPLETE:
- case bmHUB_PORT_EVENT_LS_RESET_COMPLETE:
- ClearPortFeature(HUB_FEATURE_C_PORT_RESET, port, 0);
- ClearPortFeature(HUB_FEATURE_C_PORT_CONNECTION, port, 0);
-
- delay(20);
-
- a.devAddress = bAddress;
-
- pUsb->Configuring(a.bmAddress, port, (evt.bmStatus & bmHUB_PORT_STATUS_PORT_LOW_SPEED));
- bResetInitiated = false;
- break;
-
- } // switch (evt.bmEvent)
- return 0;
-}
-
-void PrintHubPortStatus(USBHub *hubptr, uint8_t addr, uint8_t port, bool print_changes) {
- uint8_t rcode = 0;
- HubEvent evt;
-
- rcode = hubptr->GetPortStatus(port, 4, evt.evtBuff);
-
- if(rcode) {
- USB_HOST_SERIAL.println("ERROR!");
- return;
- }
- USB_HOST_SERIAL.print("\r\nPort ");
- USB_HOST_SERIAL.println(port, DEC);
-
- USB_HOST_SERIAL.println("Status");
- USB_HOST_SERIAL.print("CONNECTION:\t");
- USB_HOST_SERIAL.println((evt.bmStatus & bmHUB_PORT_STATUS_PORT_CONNECTION) > 0, DEC);
- USB_HOST_SERIAL.print("ENABLE:\t\t");
- USB_HOST_SERIAL.println((evt.bmStatus & bmHUB_PORT_STATUS_PORT_ENABLE) > 0, DEC);
- USB_HOST_SERIAL.print("SUSPEND:\t");
- USB_HOST_SERIAL.println((evt.bmStatus & bmHUB_PORT_STATUS_PORT_SUSPEND) > 0, DEC);
- USB_HOST_SERIAL.print("OVER_CURRENT:\t");
- USB_HOST_SERIAL.println((evt.bmStatus & bmHUB_PORT_STATUS_PORT_OVER_CURRENT) > 0, DEC);
- USB_HOST_SERIAL.print("RESET:\t\t");
- USB_HOST_SERIAL.println((evt.bmStatus & bmHUB_PORT_STATUS_PORT_RESET) > 0, DEC);
- USB_HOST_SERIAL.print("POWER:\t\t");
- USB_HOST_SERIAL.println((evt.bmStatus & bmHUB_PORT_STATUS_PORT_POWER) > 0, DEC);
- USB_HOST_SERIAL.print("LOW_SPEED:\t");
- USB_HOST_SERIAL.println((evt.bmStatus & bmHUB_PORT_STATUS_PORT_LOW_SPEED) > 0, DEC);
- USB_HOST_SERIAL.print("HIGH_SPEED:\t");
- USB_HOST_SERIAL.println((evt.bmStatus & bmHUB_PORT_STATUS_PORT_HIGH_SPEED) > 0, DEC);
- USB_HOST_SERIAL.print("TEST:\t\t");
- USB_HOST_SERIAL.println((evt.bmStatus & bmHUB_PORT_STATUS_PORT_TEST) > 0, DEC);
- USB_HOST_SERIAL.print("INDICATOR:\t");
- USB_HOST_SERIAL.println((evt.bmStatus & bmHUB_PORT_STATUS_PORT_INDICATOR) > 0, DEC);
-
- if(!print_changes)
- return;
-
- USB_HOST_SERIAL.println("\r\nChange");
- USB_HOST_SERIAL.print("CONNECTION:\t");
- USB_HOST_SERIAL.println((evt.bmChange & bmHUB_PORT_STATUS_C_PORT_CONNECTION) > 0, DEC);
- USB_HOST_SERIAL.print("ENABLE:\t\t");
- USB_HOST_SERIAL.println((evt.bmChange & bmHUB_PORT_STATUS_C_PORT_ENABLE) > 0, DEC);
- USB_HOST_SERIAL.print("SUSPEND:\t");
- USB_HOST_SERIAL.println((evt.bmChange & bmHUB_PORT_STATUS_C_PORT_SUSPEND) > 0, DEC);
- USB_HOST_SERIAL.print("OVER_CURRENT:\t");
- USB_HOST_SERIAL.println((evt.bmChange & bmHUB_PORT_STATUS_C_PORT_OVER_CURRENT) > 0, DEC);
- USB_HOST_SERIAL.print("RESET:\t\t");
- USB_HOST_SERIAL.println((evt.bmChange & bmHUB_PORT_STATUS_C_PORT_RESET) > 0, DEC);
-}
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