Suga koubou
/
USBHost
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Dependencies: FATFileSystem mbed-rtos
Fork of
USBHost
by 
mbed official
Revision 0:a554658735bf, committed 2013-03-06
- Comitter:
- mbed_official
- Date:
- Wed Mar 06 16:27:14 2013 +0000
- Child:
- 1:0a457e34fa9e
- Commit message:
- first commit
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/FATFileSystem.lib Wed Mar 06 16:27:14 2013 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/FATFileSystem/#b6669c987c8e
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/USBHost/IUSBEnumerator.h Wed Mar 06 16:27:14 2013 +0000
@@ -0,0 +1,38 @@
+/* Copyright (c) 2010-2012 mbed.org, MIT License
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+* and associated documentation files (the "Software"), to deal in the Software without
+* restriction, including without limitation the rights to use, copy, modify, merge, publish,
+* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or
+* substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#ifndef IUSBENUMERATOR_H_
+#define IUSBENUMERATOR_H_
+
+#include "stdint.h"
+#include "USBEndpoint.h"
+
+/*
+Generic interface to implement for "smart" USB enumeration
+*/
+
+class IUSBEnumerator
+{
+public:
+ virtual void setVidPid(uint16_t vid, uint16_t pid) = 0;
+ virtual bool parseInterface(uint8_t intf_nb, uint8_t intf_class, uint8_t intf_subclass, uint8_t intf_protocol) = 0; //Must return true if the interface should be parsed
+ virtual bool useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir) = 0; //Must return true if the endpoint will be used
+};
+
+#endif /*IUSBENUMERATOR_H_*/
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/USBHost/USBDeviceConnected.cpp Wed Mar 06 16:27:14 2013 +0000
@@ -0,0 +1,124 @@
+/* Copyright (c) 2010-2012 mbed.org, MIT License
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+* and associated documentation files (the "Software"), to deal in the Software without
+* restriction, including without limitation the rights to use, copy, modify, merge, publish,
+* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or
+* substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#include "USBDeviceConnected.h"
+#include "dbg.h"
+
+USBDeviceConnected::USBDeviceConnected() {
+ init();
+}
+
+void USBDeviceConnected::init() {
+ hub_nb = 0;
+ port = 0;
+ vid = 0;
+ pid = 0;
+ nb_interf = 0;
+ enumerated = false;
+ activeAddr = false;
+ sizeControlEndpoint = 8;
+ device_class = 0;
+ device_subclass = 0;
+ proto = 0;
+ speed = false;
+ strcpy(name, "Unknown");
+ for (int i = 0; i < MAX_INTF; i++) {
+ memset((void *)&intf[i], 0, sizeof(INTERFACE));
+ intf[i].in_use = false;
+ for (int j = 0; j < MAX_ENDPOINT_PER_INTERFACE; j++) {
+ intf[i].ep[j] = NULL;
+ }
+ }
+ hub_parent = NULL;
+ hub = NULL;
+}
+
+INTERFACE * USBDeviceConnected::getInterface(uint8_t index) {
+ if (index >= MAX_INTF) {
+ return NULL;
+ }
+ return &intf[index];
+}
+
+bool USBDeviceConnected::addInterface(uint8_t intf_nb, uint8_t intf_class, uint8_t intf_subclass, uint8_t intf_protocol) {
+ if ((intf_nb >= MAX_INTF) || (intf[intf_nb].in_use)) {
+ return false;
+ }
+ intf[intf_nb].in_use = true;
+ intf[intf_nb].intf_class = intf_class;
+ intf[intf_nb].intf_subclass = intf_subclass;
+ intf[intf_nb].intf_protocol = intf_protocol;
+ intf[intf_nb].nb_endpoint = 0;
+ nb_interf++;
+ return true;
+}
+
+bool USBDeviceConnected::addEndpoint(uint8_t intf_nb, USBEndpoint * ept) {
+ if ((intf_nb >= MAX_INTF) || (intf[intf_nb].in_use == false) || (intf[intf_nb].nb_endpoint >= MAX_ENDPOINT_PER_INTERFACE)) {
+ return false;
+ }
+ intf[intf_nb].nb_endpoint++;
+
+ for (int i = 0; i < MAX_ENDPOINT_PER_INTERFACE; i++) {
+ if (intf[intf_nb].ep[i] == NULL) {
+ intf[intf_nb].ep[i] = ept;
+ return true;
+ }
+ }
+ return false;
+}
+
+void USBDeviceConnected::init(uint8_t hub_, uint8_t port_, bool lowSpeed_) {
+ USB_DBG("init dev: %p", this);
+ init();
+ hub_nb = hub_;
+ port = port_;
+ speed = lowSpeed_;
+}
+
+void USBDeviceConnected::disconnect() {
+ for(int i = 0; i < nb_interf; i++) {
+ intf[i].detach.call();
+ }
+ init();
+}
+
+
+USBEndpoint * USBDeviceConnected::getEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir, uint8_t index) {
+ if (intf_nb >= MAX_INTF) {
+ return NULL;
+ }
+ for (int i = 0; i < MAX_ENDPOINT_PER_INTERFACE; i++) {
+ if ((intf[intf_nb].ep[i]->getType() == type) && (intf[intf_nb].ep[i]->getDir() == dir)) {
+ if(index) {
+ index--;
+ } else {
+ return intf[intf_nb].ep[i];
+ }
+ }
+ }
+ return NULL;
+}
+
+USBEndpoint * USBDeviceConnected::getEndpoint(uint8_t intf_nb, uint8_t index) {
+ if ((intf_nb >= MAX_INTF) || (index >= MAX_ENDPOINT_PER_INTERFACE)) {
+ return NULL;
+ }
+ return intf[intf_nb].ep[index];
+}
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/USBHost/USBDeviceConnected.h Wed Mar 06 16:27:14 2013 +0000
@@ -0,0 +1,188 @@
+/* Copyright (c) 2010-2012 mbed.org, MIT License
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+* and associated documentation files (the "Software"), to deal in the Software without
+* restriction, including without limitation the rights to use, copy, modify, merge, publish,
+* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or
+* substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#ifndef USBDEVICECONNECTED_H
+#define USBDEVICECONNECTED_H
+
+#include "stdint.h"
+#include "USBEndpoint.h"
+#include "USBHostConf.h"
+
+class USBHostHub;
+
+typedef struct {
+ bool in_use;
+ uint8_t nb_endpoint;
+ uint8_t intf_class;
+ uint8_t intf_subclass;
+ uint8_t intf_protocol;
+ USBEndpoint * ep[MAX_ENDPOINT_PER_INTERFACE];
+ FunctionPointer detach;
+} INTERFACE;
+
+class USBDeviceConnected
+{
+public:
+
+ /**
+ * Constructor
+ */
+ USBDeviceConnected();
+
+ /**
+ * Attach an USBEndpoint to this device
+ *
+ * @param ep pointeur on the USBEndpoint which will be attached
+ * @returns true if successful, false otherwise
+ */
+ bool addEndpoint(uint8_t intf_nb, USBEndpoint * ep);
+
+ /**
+ * Retrieve an USBEndpoint by its TYPE and DIRECTION
+ *
+ * @param intf_nb the interface on which to lookup the USBEndpoint
+ * @param type type of the USBEndpoint looked for
+ * @param direction of the USBEndpoint looked for
+ * @param index the index of the USBEndpoint whitin the interface
+ * @returns pointer on the USBEndpoint if found, NULL otherwise
+ */
+ USBEndpoint * getEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir, uint8_t index = 0);
+
+ /**
+ * Retrieve an USBEndpoint by its index
+ *
+ * @param index index of the USBEndpoint
+ * @returns pointer on the USBEndpoint if found, NULL otherwise
+ */
+ USBEndpoint * getEndpoint(uint8_t intf_nb, uint8_t index);
+
+ /**
+ * Add a new interface to this device
+ *
+ * @param intf_nb interface number
+ * @param intf_class interface class
+ * @param intf_subclass interface subclass
+ * @param intf_ptotocol interface protocol
+ * @returns true if successful, false otherwise
+ */
+ bool addInterface(uint8_t intf_nb, uint8_t intf_class, uint8_t intf_subclass, uint8_t intf_protocol);
+
+ /**
+ * Get the number of interfaces attached to this USB device
+ *
+ * @returns number of interfaces
+ */
+ uint8_t getNbInterface() {
+ return nb_interf;
+ };
+
+ /**
+ * Get a specific interface
+ *
+ * @param index index of the interface to be fetched
+ * @returns interface
+ */
+ INTERFACE * getInterface(uint8_t index);
+
+ /**
+ * Attach a member function to call when a the device has been disconnected
+ *
+ * @param tptr pointer to the object to call the member function on
+ * @param mptr pointer to the member function to be called
+ */
+ template<typename T>
+ inline void onDisconnect(uint8_t intf_nb, T* tptr, void (T::*mptr)(void)) {
+ if ((mptr != NULL) && (tptr != NULL)) {
+ intf[intf_nb].detach.attach(tptr, mptr);
+ }
+ }
+
+ /**
+ * Attach a callback called when the device has been disconnected
+ *
+ * @param fptr function pointer
+ */
+ inline void onDisconnect(uint8_t intf_nb, void (*fn)(void)) {
+ if (fn != NULL) {
+ intf[intf_nb].detach.attach(fn);
+ }
+ }
+
+ /**
+ * Disconnect the device by calling a callback function registered by a driver
+ */
+ void disconnect();
+
+ // setters
+ void init(uint8_t hub, uint8_t port, bool lowSpeed);
+ inline void setAddress(uint8_t addr_) { addr = addr_; };
+ inline void setVid(uint16_t vid_) { vid = vid_; };
+ inline void setPid(uint16_t pid_) { pid = pid_; };
+ inline void setClass(uint8_t device_class_) { device_class = device_class_; };
+ inline void setSubClass(uint8_t device_subclass_) { device_subclass = device_subclass_; };
+ inline void setProtocol(uint8_t pr) { proto = pr; };
+ inline void setSizeControlEndpoint(uint32_t size) { sizeControlEndpoint = size; };
+ inline void activeAddress(bool active) { activeAddr = active; };
+ inline void setEnumerated() { enumerated = true; };
+ inline void setHubParent(USBHostHub * hub) { hub_parent = hub; };
+ inline void setName(const char * name_) { strcpy(name, name_); };
+
+ //getters
+ inline uint8_t getPort() { return port; };
+ inline uint8_t getHub() { return hub_nb; };
+ inline uint8_t getAddress() { return addr; };
+ inline uint16_t getVid() { return vid; };
+ inline uint16_t getPid() { return pid; };
+ inline uint8_t getClass() { return device_class; };
+ inline uint8_t getSubClass() { return device_subclass; };
+ inline uint8_t getProtocol() { return proto; };
+ inline bool getSpeed() { return speed; };
+ inline uint32_t getSizeControlEndpoint() { return sizeControlEndpoint; };
+ inline bool isActiveAddress() { return activeAddr; };
+ inline bool isEnumerated() { return enumerated; };
+ inline USBHostHub * getHubParent() { return hub_parent; };
+ inline const char * getName() { return name; };
+
+ // in case this device is a hub
+ USBHostHub * hub;
+
+private:
+ USBHostHub * hub_parent;
+
+ INTERFACE intf[MAX_INTF];
+ uint32_t sizeControlEndpoint;
+ uint8_t hub_nb;
+ uint8_t port;
+ uint16_t vid;
+ uint16_t pid;
+ uint8_t addr;
+ uint8_t device_class;
+ uint8_t device_subclass;
+ uint8_t proto;
+ bool speed;
+ volatile bool activeAddr;
+ volatile bool enumerated;
+ uint8_t nb_interf;
+
+ char name[10];
+
+ void init();
+};
+
+#endif
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/USBHost/USBEndpoint.cpp Wed Mar 06 16:27:14 2013 +0000
@@ -0,0 +1,163 @@
+/* Copyright (c) 2010-2012 mbed.org, MIT License
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+* and associated documentation files (the "Software"), to deal in the Software without
+* restriction, including without limitation the rights to use, copy, modify, merge, publish,
+* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or
+* substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+
+#include "dbg.h"
+#include "USBEndpoint.h"
+
+void USBEndpoint::init(HCED * hced_, ENDPOINT_TYPE type_, ENDPOINT_DIRECTION dir_, uint32_t size, uint8_t ep_number, HCTD* td_list_[2])
+{
+ hced = hced_;
+ type = type_;
+ dir = dir_;
+ setup = (type == CONTROL_ENDPOINT) ? true : false;
+
+ //TDs have been allocated by the host
+ memcpy((HCTD**)td_list, td_list_, sizeof(HCTD*)*2); //TODO: Maybe should add a param for td_list size... at least a define
+ memcpy(td_list_[0], 0, sizeof(HCTD));
+ memcpy(td_list_[1], 0, sizeof(HCTD));
+
+ td_list[0]->ep = this;
+ td_list[1]->ep = this;
+
+ hced->control = 0;
+ //Empty queue
+ hced->tailTD = td_list[0];
+ hced->headTD = td_list[0];
+ hced->nextED = 0;
+
+ address = (ep_number & 0x7F) | ((dir - 1) << 7);
+
+ hced->control = ((ep_number & 0x7F) << 7) // Endpoint address
+ | (type != CONTROL_ENDPOINT ? ( dir << 11) : 0 ) // direction : Out = 1, 2 = In
+ | ((size & 0x3ff) << 16); // MaxPkt Size
+
+ transfer_len = 0;
+ transferred = 0;
+ buf_start = 0;
+ nextEp = NULL;
+
+ td_current = td_list[0];
+ td_next = td_list[1];
+
+ state = USB_TYPE_IDLE;
+}
+
+void USBEndpoint::setSize(uint32_t size)
+{
+ hced->control &= ~(0x3ff << 16);
+ hced->control |= (size << 16);
+}
+
+
+void USBEndpoint::setDeviceAddress(uint8_t addr)
+{
+ hced->control &= ~(0x7f);
+ hced->control |= (addr & 0x7F);
+}
+
+void USBEndpoint::setSpeed(uint8_t speed)
+{
+ hced->control &= ~(1 << 13);
+ hced->control |= (speed << 13);
+}
+
+//Only for control Eps
+void USBEndpoint::setNextToken(uint32_t token)
+{
+ switch (token) {
+ case TD_SETUP:
+ dir = OUT;
+ setup = true;
+ break;
+ case TD_IN:
+ dir = IN;
+ setup = false;
+ break;
+ case TD_OUT:
+ dir = OUT;
+ setup = false;
+ break;
+ }
+}
+
+struct {
+ USB_TYPE type;
+ const char * str;
+} static type_string[] = {
+/*0*/ {USB_TYPE_OK, "USB_TYPE_OK"},
+ {USB_TYPE_CRC_ERROR, "USB_TYPE_CRC_ERROR"},
+ {USB_TYPE_BIT_STUFFING_ERROR, "USB_TYPE_BIT_STUFFING_ERROR"},
+ {USB_TYPE_DATA_TOGGLE_MISMATCH_ERROR, "USB_TYPE_DATA_TOGGLE_MISMATCH_ERROR"},
+ {USB_TYPE_STALL_ERROR, "USB_TYPE_STALL_ERROR"},
+/*5*/ {USB_TYPE_DEVICE_NOT_RESPONDING_ERROR, "USB_TYPE_DEVICE_NOT_RESPONDING_ERROR"},
+ {USB_TYPE_PID_CHECK_FAILURE_ERROR, "USB_TYPE_PID_CHECK_FAILURE_ERROR"},
+ {USB_TYPE_UNEXPECTED_PID_ERROR, "USB_TYPE_UNEXPECTED_PID_ERROR"},
+ {USB_TYPE_DATA_OVERRUN_ERROR, "USB_TYPE_DATA_OVERRUN_ERROR"},
+ {USB_TYPE_DATA_UNDERRUN_ERROR, "USB_TYPE_DATA_UNDERRUN_ERROR"},
+/*10*/ {USB_TYPE_ERROR, "USB_TYPE_ERROR"},
+ {USB_TYPE_ERROR, "USB_TYPE_ERROR"},
+ {USB_TYPE_BUFFER_OVERRUN_ERROR, "USB_TYPE_BUFFER_OVERRUN_ERROR"},
+ {USB_TYPE_BUFFER_UNDERRUN_ERROR, "USB_TYPE_BUFFER_UNDERRUN_ERROR"},
+ {USB_TYPE_DISCONNECTED, "USB_TYPE_DISCONNECTED"},
+/*15*/ {USB_TYPE_FREE, "USB_TYPE_FREE"},
+ {USB_TYPE_IDLE, "USB_TYPE_IDLE"},
+ {USB_TYPE_PROCESSING, "USB_TYPE_PROCESSING"},
+ {USB_TYPE_ERROR, "USB_TYPE_ERROR"}
+};
+
+void USBEndpoint::setState(uint8_t st) {
+ if (st > 18)
+ return;
+ state = type_string[st].type;
+}
+
+
+const char * USBEndpoint::getStateString() {
+ return type_string[state].str;
+}
+
+void USBEndpoint::queueTransfer()
+{
+ transfer_len = (uint32_t)td_current->bufEnd - (uint32_t)td_current->currBufPtr + 1;
+ transferred = transfer_len;
+ buf_start = (uint8_t *)td_current->currBufPtr;
+
+ //Now add this free TD at this end of the queue
+ state = USB_TYPE_PROCESSING;
+ td_current->nextTD = (uint32_t)td_next;
+ hced->tailTD = td_next;
+}
+
+void USBEndpoint::unqueueTransfer(volatile HCTD * td)
+{
+ td->control=0;
+ td->currBufPtr=0;
+ td->bufEnd=0;
+ td->nextTD=0;
+ hced->headTD = (HCTD *)((uint32_t)hced->tailTD | ((uint32_t)hced->headTD & 0x2)); //Carry bit
+ td_current = td_next;
+ td_next = td;
+}
+
+void USBEndpoint::queueEndpoint(USBEndpoint * ed)
+{
+ nextEp = ed;
+ hced->nextED = (ed == NULL) ? 0 : (uint32_t)ed->getHCED();
+}
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/USBHost/USBEndpoint.h Wed Mar 06 16:27:14 2013 +0000
@@ -0,0 +1,164 @@
+/* Copyright (c) 2010-2012 mbed.org, MIT License
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+* and associated documentation files (the "Software"), to deal in the Software without
+* restriction, including without limitation the rights to use, copy, modify, merge, publish,
+* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or
+* substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#ifndef USBENDPOINT_H
+#define USBENDPOINT_H
+
+#include "FunctionPointer.h"
+#include "USBHostTypes.h"
+
+class USBDeviceConnected;
+
+class USBEndpoint
+{
+public:
+ /**
+ * Constructor
+ */
+ USBEndpoint() {
+ state = USB_TYPE_FREE;
+ nextEp = NULL;
+ };
+
+ /**
+ * Initialize an endpoint
+ *
+ * @param hced hced associated to the endpoint
+ * @param type endpoint type
+ * @param dir endpoint direction
+ * @param size endpoint size
+ * @param ep_number endpoint number
+ * @param td_list array of two allocated transfer descriptors
+ */
+ void init(HCED * hced, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir, uint32_t size, uint8_t ep_number, HCTD* td_list[2]);
+
+ /**
+ * Set next token. Warining: only useful for the control endpoint
+ *
+ * @param token IN, OUT or SETUP token
+ */
+ void setNextToken(uint32_t token);
+
+ /**
+ * Queue an endpoint
+ *
+ * endpoint endpoint which will be queued in the linked list
+ */
+ void queueEndpoint(USBEndpoint * endpoint);
+
+
+ /**
+ * Queue a transfer on the endpoint
+ */
+ void queueTransfer();
+
+ /**
+ * Unqueue a transfer from the endpoint
+ *
+ * @param td hctd which will be unqueued
+ */
+ void unqueueTransfer(volatile HCTD * td);
+
+ /**
+ * Attach a member function to call when a transfer is finished
+ *
+ * @param tptr pointer to the object to call the member function on
+ * @param mptr pointer to the member function to be called
+ */
+ template<typename T>
+ inline void attach(T* tptr, void (T::*mptr)(void)) {
+ if((mptr != NULL) && (tptr != NULL)) {
+ rx.attach(tptr, mptr);
+ }
+ }
+
+ /**
+ * Attach a callback called when a transfer is finished
+ *
+ * @param fptr function pointer
+ */
+ inline void attach(void (*fn)(void)) {
+ if(fn != NULL) {
+ rx.attach(fn);
+ }
+ }
+
+ /**
+ * Call the handler associted to the end of a transfer
+ */
+ inline void call() {
+ rx.call();
+ };
+
+
+ // setters
+ inline void setState(USB_TYPE st) { state = st; }
+ void setState(uint8_t st);
+ void setDeviceAddress(uint8_t addr);
+ inline void setLengthTransferred(int len) { transferred = len; };
+ void setSpeed(uint8_t speed);
+ void setSize(uint32_t size);
+ inline void setDir(ENDPOINT_DIRECTION d) { dir = d; }
+
+ // getters
+ const char * getStateString();
+ inline USB_TYPE getState() { return state; }
+ inline ENDPOINT_TYPE getType() { return type; };
+ inline uint8_t getDeviceAddress() { return hced->control & 0x7f; };
+ inline int getLengthTransferred() { return transferred; }
+ inline uint8_t * getBufStart() { return buf_start; }
+ inline uint8_t getAddress(){ return address; };
+ inline uint32_t getSize() { return (hced->control >> 16) & 0x3ff; };
+ inline volatile HCTD * getHeadTD() { return (volatile HCTD*) ((uint32_t)hced->headTD & ~0xF); };
+ inline volatile HCTD** getTDList() { return td_list; };
+ inline volatile HCED * getHCED() { return hced; };
+ inline ENDPOINT_DIRECTION getDir() { return dir; }
+ inline volatile HCTD * getProcessedTD() { return td_current; };
+ inline volatile HCTD* getNextTD() { return td_current; };
+ inline bool isSetup() { return setup; }
+ inline USBEndpoint * nextEndpoint() { return (USBEndpoint*)nextEp; };
+
+ USBDeviceConnected * dev;
+
+private:
+ ENDPOINT_TYPE type;
+ volatile USB_TYPE state;
+ ENDPOINT_DIRECTION dir;
+ bool setup;
+
+ uint8_t address;
+
+ int transfer_len;
+ int transferred;
+ uint8_t * buf_start;
+
+ FunctionPointer rx;
+
+ USBEndpoint* nextEp;
+
+ // USBEndpoint descriptor
+ volatile HCED * hced;
+
+ volatile HCTD * td_list[2];
+ volatile HCTD * td_current;
+ volatile HCTD * td_next;
+
+};
+
+#endif
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/USBHost/USBHALHost.cpp Wed Mar 06 16:27:14 2013 +0000
@@ -0,0 +1,325 @@
+/* Copyright (c) 2010-2012 mbed.org, MIT License
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+* and associated documentation files (the "Software"), to deal in the Software without
+* restriction, including without limitation the rights to use, copy, modify, merge, publish,
+* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or
+* substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#include "mbed.h"
+#include "USBHALHost.h"
+#include "dbg.h"
+
+// bits of the USB/OTG clock control register
+#define HOST_CLK_EN (1<<0)
+#define DEV_CLK_EN (1<<1)
+#define PORTSEL_CLK_EN (1<<3)
+#define AHB_CLK_EN (1<<4)
+
+// bits of the USB/OTG clock status register
+#define HOST_CLK_ON (1<<0)
+#define DEV_CLK_ON (1<<1)
+#define PORTSEL_CLK_ON (1<<3)
+#define AHB_CLK_ON (1<<4)
+
+// we need host clock, OTG/portsel clock and AHB clock
+#define CLOCK_MASK (HOST_CLK_EN | PORTSEL_CLK_EN | AHB_CLK_EN)
+
+#define HCCA_SIZE sizeof(HCCA)
+#define ED_SIZE sizeof(HCED)
+#define TD_SIZE sizeof(HCTD)
+
+#define TOTAL_SIZE (HCCA_SIZE + (MAX_ENDPOINT*ED_SIZE) + (MAX_TD*TD_SIZE))
+
+static volatile __align(256) uint8_t usb_buf[TOTAL_SIZE] __attribute((section("AHBSRAM1"),aligned)); //256 bytes aligned!
+
+USBHALHost * USBHALHost::instHost;
+
+USBHALHost::USBHALHost() {
+ instHost = this;
+ memInit();
+ memset((void*)usb_hcca, 0, HCCA_SIZE);
+ for (int i = 0; i < MAX_ENDPOINT; i++) {
+ edBufAlloc[i] = false;
+ }
+ for (int i = 0; i < MAX_TD; i++) {
+ tdBufAlloc[i] = false;
+ }
+}
+
+void USBHALHost::init() {
+ NVIC_DisableIRQ(USB_IRQn);
+
+ //Cut power
+ LPC_SC->PCONP &= ~(1UL<<31);
+ wait_ms(100);
+
+ // turn on power for USB
+ LPC_SC->PCONP |= (1UL<<31);
+
+ // Enable USB host clock, port selection and AHB clock
+ LPC_USB->USBClkCtrl |= CLOCK_MASK;
+
+ // Wait for clocks to become available
+ while ((LPC_USB->USBClkSt & CLOCK_MASK) != CLOCK_MASK);
+
+ // it seems the bits[0:1] mean the following
+ // 0: U1=device, U2=host
+ // 1: U1=host, U2=host
+ // 2: reserved
+ // 3: U1=host, U2=device
+ // NB: this register is only available if OTG clock (aka "port select") is enabled!!
+ // since we don't care about port 2, set just bit 0 to 1 (U1=host)
+ LPC_USB->OTGStCtrl |= 1;
+
+ // now that we've configured the ports, we can turn off the portsel clock
+ LPC_USB->USBClkCtrl &= ~PORTSEL_CLK_EN;
+
+ // configure USB D+/D- pins
+ // P0[29] = USB_D+, 01
+ // P0[30] = USB_D-, 01
+ LPC_PINCON->PINSEL1 &= ~((3<<26) | (3<<28));
+ LPC_PINCON->PINSEL1 |= ((1<<26) | (1<<28));
+
+ LPC_USB->HcControl = 0; // HARDWARE RESET
+ LPC_USB->HcControlHeadED = 0; // Initialize Control list head to Zero
+ LPC_USB->HcBulkHeadED = 0; // Initialize Bulk list head to Zero
+
+ // Wait 100 ms before apply reset
+ wait_ms(100);
+
+ // software reset
+ LPC_USB->HcCommandStatus = OR_CMD_STATUS_HCR;
+
+ // Write Fm Interval and Largest Data Packet Counter
+ LPC_USB->HcFmInterval = DEFAULT_FMINTERVAL;
+ LPC_USB->HcPeriodicStart = FI * 90 / 100;
+
+ // Put HC in operational state
+ LPC_USB->HcControl = (LPC_USB->HcControl & (~OR_CONTROL_HCFS)) | OR_CONTROL_HC_OPER;
+ // Set Global Power
+ LPC_USB->HcRhStatus = OR_RH_STATUS_LPSC;
+
+ LPC_USB->HcHCCA = (uint32_t)(usb_hcca);
+
+ // Clear Interrrupt Status
+ LPC_USB->HcInterruptStatus |= LPC_USB->HcInterruptStatus;
+
+ LPC_USB->HcInterruptEnable = OR_INTR_ENABLE_MIE | OR_INTR_ENABLE_WDH | OR_INTR_ENABLE_RHSC;
+
+ // Enable the USB Interrupt
+ NVIC_SetVector(USB_IRQn, (uint32_t)(_usbisr));
+ LPC_USB->HcRhPortStatus1 = OR_RH_PORT_CSC;
+ LPC_USB->HcRhPortStatus1 = OR_RH_PORT_PRSC;
+
+ NVIC_EnableIRQ(USB_IRQn);
+
+ // Check for any connected devices
+ if (LPC_USB->HcRhPortStatus1 & OR_RH_PORT_CCS) {
+ //Device connected
+ wait_ms(100);
+ USB_DBG("Device connected (%08x)\n\r", LPC_USB->HcRhPortStatus1);
+ deviceConnected(0, 1, LPC_USB->HcRhPortStatus1 & OR_RH_PORT_LSDA);
+ }
+}
+
+uint32_t USBHALHost::controlHeadED() {
+ return LPC_USB->HcControlHeadED;
+}
+
+uint32_t USBHALHost::bulkHeadED() {
+ return LPC_USB->HcBulkHeadED;
+}
+
+uint32_t USBHALHost::interruptHeadED() {
+ return usb_hcca->IntTable[0];
+}
+
+void USBHALHost::updateBulkHeadED(uint32_t addr) {
+ LPC_USB->HcBulkHeadED = addr;
+}
+
+
+void USBHALHost::updateControlHeadED(uint32_t addr) {
+ LPC_USB->HcControlHeadED = addr;
+}
+
+void USBHALHost::updateInterruptHeadED(uint32_t addr) {
+ usb_hcca->IntTable[0] = addr;
+}
+
+
+void USBHALHost::enableList(ENDPOINT_TYPE type) {
+ switch(type) {
+ case CONTROL_ENDPOINT:
+ LPC_USB->HcCommandStatus = OR_CMD_STATUS_CLF;
+ LPC_USB->HcControl |= OR_CONTROL_CLE;
+ break;
+ case ISOCHRONOUS_ENDPOINT:
+ break;
+ case BULK_ENDPOINT:
+ LPC_USB->HcCommandStatus = OR_CMD_STATUS_BLF;
+ LPC_USB->HcControl |= OR_CONTROL_BLE;
+ break;
+ case INTERRUPT_ENDPOINT:
+ LPC_USB->HcControl |= OR_CONTROL_PLE;
+ break;
+ }
+}
+
+
+bool USBHALHost::disableList(ENDPOINT_TYPE type) {
+ switch(type) {
+ case CONTROL_ENDPOINT:
+ if(LPC_USB->HcControl & OR_CONTROL_CLE) {
+ LPC_USB->HcControl &= ~OR_CONTROL_CLE;
+ return true;
+ }
+ return false;
+ case ISOCHRONOUS_ENDPOINT:
+ return false;
+ case BULK_ENDPOINT:
+ if(LPC_USB->HcControl & OR_CONTROL_BLE){
+ LPC_USB->HcControl &= ~OR_CONTROL_BLE;
+ return true;
+ }
+ return false;
+ case INTERRUPT_ENDPOINT:
+ if(LPC_USB->HcControl & OR_CONTROL_PLE) {
+ LPC_USB->HcControl &= ~OR_CONTROL_PLE;
+ return true;
+ }
+ return false;
+ }
+ return false;
+}
+
+
+void USBHALHost::memInit() {
+ usb_hcca = (volatile HCCA *)usb_buf;
+ usb_edBuf = usb_buf + HCCA_SIZE;
+ usb_tdBuf = usb_buf + HCCA_SIZE + (MAX_ENDPOINT*ED_SIZE);
+}
+
+volatile uint8_t * USBHALHost::getED() {
+ for (int i = 0; i < MAX_ENDPOINT; i++) {
+ if ( !edBufAlloc[i] ) {
+ edBufAlloc[i] = true;
+ return (volatile uint8_t *)(usb_edBuf + i*ED_SIZE);
+ }
+ }
+ perror("Could not allocate ED\r\n");
+ return NULL; //Could not alloc ED
+}
+
+volatile uint8_t * USBHALHost::getTD() {
+ int i;
+ for (i = 0; i < MAX_TD; i++) {
+ if ( !tdBufAlloc[i] ) {
+ tdBufAlloc[i] = true;
+ return (volatile uint8_t *)(usb_tdBuf + i*TD_SIZE);
+ }
+ }
+ perror("Could not allocate TD\r\n");
+ return NULL; //Could not alloc TD
+}
+
+
+void USBHALHost::freeED(volatile uint8_t * ed) {
+ int i;
+ i = (ed - usb_edBuf) / ED_SIZE;
+ edBufAlloc[i] = false;
+}
+
+void USBHALHost::freeTD(volatile uint8_t * td) {
+ int i;
+ i = (td - usb_tdBuf) / TD_SIZE;
+ tdBufAlloc[i] = false;
+}
+
+
+void USBHALHost::resetRootHub() {
+ // Initiate port reset
+ LPC_USB->HcRhPortStatus1 = OR_RH_PORT_PRS;
+
+ while (LPC_USB->HcRhPortStatus1 & OR_RH_PORT_PRS);
+
+ // ...and clear port reset signal
+ LPC_USB->HcRhPortStatus1 = OR_RH_PORT_PRSC;
+}
+
+
+void USBHALHost::_usbisr(void) {
+ if (instHost) {
+ instHost->UsbIrqhandler();
+ }
+}
+
+void USBHALHost::UsbIrqhandler() {
+ if( LPC_USB->HcInterruptStatus & LPC_USB->HcInterruptEnable ) //Is there something to actually process?
+ {
+
+ uint32_t int_status = LPC_USB->HcInterruptStatus & LPC_USB->HcInterruptEnable;
+
+ // Root hub status change interrupt
+ if (int_status & OR_INTR_STATUS_RHSC) {
+ if (LPC_USB->HcRhPortStatus1 & OR_RH_PORT_CSC) {
+ if (LPC_USB->HcRhStatus & OR_RH_STATUS_DRWE) {
+ // When DRWE is on, Connect Status Change
+ // means a remote wakeup event.
+ } else {
+
+ //Root device connected
+ if (LPC_USB->HcRhPortStatus1 & OR_RH_PORT_CCS) {
+
+ // wait 100ms to avoid bounce
+ wait_ms(100);
+
+ //Hub 0 (root hub), Port 1 (count starts at 1), Low or High speed
+ deviceConnected(0, 1, LPC_USB->HcRhPortStatus1 & OR_RH_PORT_LSDA);
+ }
+
+ //Root device disconnected
+ else {
+
+ if (!(int_status & OR_INTR_STATUS_WDH)) {
+ usb_hcca->DoneHead = 0;
+ }
+
+ // wait 100ms to avoid bounce
+ wait_ms(100);
+
+ deviceDisconnected(0, 1, NULL, usb_hcca->DoneHead & 0xFFFFFFFE);
+
+ if (int_status & OR_INTR_STATUS_WDH) {
+ usb_hcca->DoneHead = 0;
+ LPC_USB->HcInterruptStatus = OR_INTR_STATUS_WDH;
+ }
+ }
+ }
+ LPC_USB->HcRhPortStatus1 = OR_RH_PORT_CSC;
+ }
+ if (LPC_USB->HcRhPortStatus1 & OR_RH_PORT_PRSC) {
+ LPC_USB->HcRhPortStatus1 = OR_RH_PORT_PRSC;
+ }
+ LPC_USB->HcInterruptStatus = OR_INTR_STATUS_RHSC;
+ }
+
+ // Writeback Done Head interrupt
+ if (int_status & OR_INTR_STATUS_WDH) {
+ transferCompleted(usb_hcca->DoneHead & 0xFFFFFFFE);
+ LPC_USB->HcInterruptStatus = OR_INTR_STATUS_WDH;
+ }
+ }
+}
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/USBHost/USBHALHost.h Wed Mar 06 16:27:14 2013 +0000
@@ -0,0 +1,167 @@
+/* Copyright (c) 2010-2012 mbed.org, MIT License
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+* and associated documentation files (the "Software"), to deal in the Software without
+* restriction, including without limitation the rights to use, copy, modify, merge, publish,
+* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or
+* substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#ifndef USBHALHOST_H
+#define USBHALHOST_H
+
+#include "USBHostTypes.h"
+#include "USBHostConf.h"
+
+class USBHostHub;
+
+class USBHALHost {
+public:
+
+ /**
+ * Constructor
+ * init variables and memory where will be stored HCCA, ED and TD
+ */
+ USBHALHost();
+
+ /**
+ * Initialize host controller. Enable USB interrupts. This part is not in the constructor because,
+ * this function calls a virtual method if a device is already connected
+ */
+ void init();
+
+ /**
+ * reset the root hub
+ */
+ void resetRootHub();
+
+ /**
+ * return the value contained in the control HEAD ED register
+ *
+ * @returns address of the control Head ED
+ */
+ uint32_t controlHeadED();
+
+ /**
+ * return the value contained in the bulk HEAD ED register
+ *
+ * @returns address of the bulk head ED
+ */
+ uint32_t bulkHeadED();
+
+ /**
+ * return the value of the head interrupt ED contained in the HCCA
+ *
+ * @returns address of the head interrupt ED contained in the HCCA
+ */
+ uint32_t interruptHeadED();
+
+
+ /**
+ * Update the head ED for control transfers
+ */
+ void updateControlHeadED(uint32_t addr);
+
+ /**
+ * Update the head ED for bulk transfers
+ */
+ void updateBulkHeadED(uint32_t addr);
+
+ /**
+ * Update the head ED for interrupt transfers
+ */
+ void updateInterruptHeadED(uint32_t addr);
+
+ /* *
+ * Enable List for the specified endpoint type
+ */
+ void enableList(ENDPOINT_TYPE type);
+
+ /**
+ * Disable List for the specified endpoint type
+ */
+ bool disableList(ENDPOINT_TYPE type);
+
+protected:
+ /**
+ * Virtual method called when a device has been connected
+ *
+ * @param hub hub number of the device
+ * @param port port number of the device
+ * @param lowSpeed 1 if low speed, 0 otherwise
+ * @param hub_parent reference to the hub where the device is connected (NULL if the hub parent is the root hub)
+ */
+ virtual void deviceConnected(int hub, int port, bool lowSpeed, USBHostHub * hub_parent = NULL) {};
+
+ /**
+ * Virtual method called when a device has been disconnected
+ *
+ * @param hub hub number of the device
+ * @param port port number of the device
+ * @param hub_parent reference to the hub where the device is connected (NULL if the hub parent is the root hub)
+ * @param addr list of the TDs which have been completed to dequeue freed TDs
+ */
+ virtual void deviceDisconnected(int hub, int port, USBHostHub * hub_parent, volatile uint32_t addr) {};
+
+ /**
+ * Virtual method called when a transfer has been completed
+ *
+ * @param addr list of the TDs which have been completed
+ */
+ virtual void transferCompleted(volatile uint32_t addr){};
+
+ /**
+ * Find a memory section for a new ED
+ *
+ * @returns the address of this section
+ */
+ volatile uint8_t * getED();
+
+ /**
+ * Find a memory section for a new TD
+ *
+ * @returns the address of this section
+ */
+ volatile uint8_t * getTD();
+
+ /**
+ * Release a previous memory section reserved for an ED
+ *
+ * @param ed address of the ED
+ */
+ void freeED(volatile uint8_t * ed);
+
+ /**
+ * Release a previous memory section reserved for an TD
+ *
+ * @param ed address of the TD
+ */
+ void freeTD(volatile uint8_t * td);
+
+private:
+ static void _usbisr(void);
+ void UsbIrqhandler();
+
+ void memInit();
+
+ HCCA volatile * usb_hcca; //256 bytes aligned
+ uint8_t volatile * usb_edBuf; //4 bytes aligned
+ uint8_t volatile * usb_tdBuf; //4 bytes aligned
+
+ static USBHALHost * instHost;
+
+ bool volatile edBufAlloc[MAX_ENDPOINT];
+ bool volatile tdBufAlloc[MAX_TD];
+};
+
+#endif
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/USBHost/USBHost.cpp Wed Mar 06 16:27:14 2013 +0000
@@ -0,0 +1,1098 @@
+/* Copyright (c) 2010-2012 mbed.org, MIT License
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+* and associated documentation files (the "Software"), to deal in the Software without
+* restriction, including without limitation the rights to use, copy, modify, merge, publish,
+* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or
+* substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+
+#include "USBHost.h"
+#include "USBHostHub.h"
+
+USBHost * USBHost::instHost = NULL;
+
+#define DEVICE_CONNECTED_EVENT (1 << 0)
+#define DEVICE_DISCONNECTED_EVENT (1 << 1)
+#define TD_PROCESSED_EVENT (1 << 2)
+
+#define MAX_TRY_ENUMERATE_HUB 3
+
+#define MIN(a, b) ((a > b) ? b : a)
+
+DigitalOut l4(LED4);
+
+/**
+* How interrupts are processed:
+* - new device connected:
+* a message is queued
+*/
+void USBHost::usb_process() {
+
+ bool controlListState;
+ bool bulkListState;
+ bool interruptListState;
+ USBEndpoint * ep;
+ uint8_t i, j, res, timeout_set_addr = 10;
+ uint8_t buf[8];
+ bool too_many_hub;
+ int idx;
+
+#if DEBUG_TRANSFER
+ uint8_t * buf_transfer;
+#endif
+
+#if MAX_HUB_NB
+ uint8_t k;
+#endif
+
+ while(1) {
+ osEvent evt = queue_usb_event.get();
+
+ if (evt.status == osEventMessage) {
+
+ l4 = !l4;
+ message_t * usb_msg = (message_t*)evt.value.p;
+
+ switch (usb_msg->event_id) {
+
+ // a new device has been connected
+ case DEVICE_CONNECTED_EVENT:
+ too_many_hub = false;
+ buf[4] = 0;
+
+ for (i = 0; i < MAX_DEVICE_CONNECTED; i++) {
+ if (!deviceInUse[i]) {
+ USB_DBG_EVENT("new device connected: %p\r\n", &devices[i]);
+ devices[i].init(usb_msg->hub, usb_msg->port, usb_msg->lowSpeed);
+ deviceReset[i] = false;
+ break;
+ }
+ }
+
+ if (i == MAX_DEVICE_CONNECTED) {
+ USB_ERR("Too many device connected!!\r\n");
+ usb_mutex.unlock();
+ continue;
+ }
+
+ if (!controlEndpointAllocated) {
+ control = newEndpoint(CONTROL_ENDPOINT, OUT, 0x08, 0x00);
+ addEndpoint(NULL, 0, (USBEndpoint*)control);
+ controlEndpointAllocated = true;
+ }
+
+#if MAX_HUB_NB
+ if (usb_msg->hub_parent)
+ devices[i].setHubParent((USBHostHub *)(usb_msg->hub_parent));
+#endif
+
+ resetDevice(&devices[i]);
+
+ for (j = 0; j < timeout_set_addr; j++) {
+ // set size of control endpoint
+ devices[i].setSizeControlEndpoint(8);
+
+ devices[i].activeAddress(false);
+
+ // get first 8 bit of device descriptor
+ // and check if we deal with a hub
+ USB_DBG("usb_thread read device descriptor on dev: %p\r\n", &devices[i]);
+ res = getDeviceDescriptor(&devices[i], buf, 8);
+
+ if (res != USB_TYPE_OK) {
+ USB_ERR("usb_thread could not read dev descr");
+ continue;
+ }
+
+ // set size of control endpoint
+ devices[i].setSizeControlEndpoint(buf[7]);
+
+ // second step: set an address to the device
+ res = setAddress(&devices[i], devices[i].getAddress());
+
+ if (res != USB_TYPE_OK) {
+ USB_ERR("SET ADDR FAILED");
+ continue;
+ }
+ devices[i].activeAddress(true);
+ USB_DBG("Address of %p: %d", &devices[i], devices[i].getAddress());
+
+ // try to read again the device descriptor to check if the device
+ // answers to its new address
+ res = getDeviceDescriptor(&devices[i], buf, 8);
+
+ if (res == USB_TYPE_OK) {
+ break;
+ }
+
+ wait_ms(100);
+ }
+
+ USB_INFO("New device connected: %p [hub: %d - port: %d]", &devices[i], usb_msg->hub, usb_msg->port);
+
+#if MAX_HUB_NB
+ if (buf[4] == HUB_CLASS) {
+ for (k = 0; k < MAX_HUB_NB; k++) {
+ if (hub_in_use[k] == false) {
+ for (uint8_t j = 0; j < MAX_TRY_ENUMERATE_HUB; j++) {
+ if (hubs[k].connect(&devices[i])) {
+ devices[i].hub = &hubs[k];
+ hub_in_use[k] = true;
+ break;
+ }
+ }
+ if (hub_in_use[k] == true)
+ break;
+ }
+ }
+
+ if (k == MAX_HUB_NB) {
+ USB_ERR("Too many hubs connected!!\r\n");
+ too_many_hub = true;
+ }
+ }
+
+ if (usb_msg->hub_parent)
+ ((USBHostHub *)(usb_msg->hub_parent))->deviceConnected(&devices[i]);
+#endif
+
+ if ((i < MAX_DEVICE_CONNECTED) && !too_many_hub) {
+ deviceInUse[i] = true;
+ }
+
+ break;
+
+ // a device has been disconnected
+ case DEVICE_DISCONNECTED_EVENT:
+
+ usb_mutex.lock();
+
+ controlListState = disableList(CONTROL_ENDPOINT);
+ bulkListState = disableList(BULK_ENDPOINT);
+ interruptListState = disableList(INTERRUPT_ENDPOINT);
+
+ idx = findDevice(usb_msg->hub, usb_msg->port, (USBHostHub *)(usb_msg->hub_parent));
+ if (idx != -1) {
+ freeDevice((USBDeviceConnected*)&devices[idx]);
+ }
+
+ if (controlListState) enableList(CONTROL_ENDPOINT);
+ if (bulkListState) enableList(BULK_ENDPOINT);
+ if (interruptListState) enableList(INTERRUPT_ENDPOINT);
+
+ usb_mutex.unlock();
+
+ break;
+
+ // a td has been processed
+ // call callback on the ed associated to the td
+ // we are not in ISR -> users can use printf in their callback method
+ case TD_PROCESSED_EVENT:
+ ep = (USBEndpoint *) ((HCTD *)usb_msg->td_addr)->ep;
+ ep->setState(usb_msg->td_state);
+ if (ep->getState() == USB_TYPE_IDLE) {
+ USB_DBG_EVENT("call callback on td %p [ep: %p state: %s - dev: %p - %s]", usb_msg->td_addr, ep, ep->getStateString(), ep->dev, ep->dev->getName());
+#if DEBUG_TRANSFER
+ if (ep->getDir() == IN) {
+ buf_transfer = ep->getBufStart();
+ printf("READ SUCCESS [%d bytes transferred] on ep: [%p - addr: %02X]: ", ep->getLengthTransferred(), ep, ep->getAddress());
+ for (int i = 0; i < ep->getLengthTransferred(); i++)
+ printf("%02X ", buf_transfer[i]);
+ printf("\r\n\r\n");
+ }
+#endif
+ ep->call();
+ } else {
+ idx = findDevice(ep->dev);
+ if (idx != -1) {
+ if (deviceInUse[idx])
+ USB_WARN("td %p processed but not in idle state: %s [dev: %p - %s]", usb_msg->td_addr, ep->getStateString(), ep->dev, ep->dev->getName());
+ }
+ }
+ break;
+ }
+
+ mpool_usb_event.free(usb_msg);
+ }
+ }
+}
+
+/* static */void USBHost::usb_process_static(void const * arg) {
+ ((USBHost *)arg)->usb_process();
+}
+
+USBHost::USBHost() : usbThread(USBHost::usb_process_static, (void *)this, osPriorityNormal, USB_THREAD_STACK)
+{
+ headControlEndpoint = NULL;
+ headBulkEndpoint = NULL;
+ headInterruptEndpoint = NULL;
+ tailControlEndpoint = NULL;
+ tailBulkEndpoint = NULL;
+ tailInterruptEndpoint = NULL;
+
+ lenReportDescr = 0;
+
+ controlEndpointAllocated = false;
+
+ for (uint8_t i = 0; i < MAX_DEVICE_CONNECTED; i++) {
+ deviceInUse[i] = false;
+ devices[i].setAddress(i + 1);
+ deviceReset[i] = false;
+ deviceAttachedDriver[i] = false;
+ }
+
+#if MAX_HUB_NB
+ for (uint8_t i = 0; i < MAX_HUB_NB; i++) {
+ hubs[i].setHost(this);
+ hub_in_use[i] = false;
+ }
+#endif
+}
+
+
+void USBHost::transferCompleted(volatile uint32_t addr)
+{
+ uint8_t state;
+
+ if(addr == NULL)
+ return;
+
+ volatile HCTD* tdList = NULL;
+
+ //First we must reverse the list order and dequeue each TD
+ do {
+ volatile HCTD* td = (volatile HCTD*)addr;
+ addr = td->nextTD; //Dequeue from physical list
+ td->nextTD = (uint32_t)tdList; //Enqueue into reversed list
+ tdList = td;
+ } while(addr);
+
+ while(tdList != NULL) {
+ volatile HCTD* td = tdList;
+ tdList = (volatile HCTD*)td->nextTD; //Dequeue element now as it could be modified below
+ if (td->ep != NULL) {
+ USBEndpoint * ep = (USBEndpoint *)(td->ep);
+
+ if (((HCTD *)td)->control >> 28) {
+ state = ((HCTD *)td)->control >> 28;
+ } else {
+ if (td->currBufPtr)
+ ep->setLengthTransferred((uint32_t)td->currBufPtr - (uint32_t)ep->getBufStart());
+ state = 16 /*USB_TYPE_IDLE*/;
+ }
+
+ ep->unqueueTransfer(td);
+
+ if (ep->getType() != CONTROL_ENDPOINT) {
+ // callback on the processed td will be called from the usb_thread (not in ISR)
+ message_t * usb_msg = mpool_usb_event.alloc();
+ usb_msg->event_id = TD_PROCESSED_EVENT;
+ usb_msg->td_addr = (void *)td;
+ usb_msg->td_state = state;
+ queue_usb_event.put(usb_msg);
+ } else {
+ ep->setState(state);
+ }
+ }
+ }
+}
+
+USBHost * USBHost::getHostInst()
+{
+ if (instHost == NULL) {
+ instHost = new USBHost();
+ instHost->init();
+ }
+ return instHost;
+}
+
+
+/*
+ * Called when a device has been connected
+ * Called in ISR!!!! (no printf)
+ */
+/* virtual */ void USBHost::deviceConnected(int hub, int port, bool lowSpeed, USBHostHub * hub_parent)
+{
+ // be sure that the new device connected is not already connected...
+ int idx = findDevice(hub, port, hub_parent);
+ if (idx != -1) {
+ if (deviceInUse[idx])
+ return;
+ }
+
+ message_t * usb_msg = mpool_usb_event.alloc();
+ usb_msg->event_id = DEVICE_CONNECTED_EVENT;
+ usb_msg->hub = hub;
+ usb_msg->port = port;
+ usb_msg->lowSpeed = lowSpeed;
+ usb_msg->hub_parent = hub_parent;
+ queue_usb_event.put(usb_msg);
+}
+
+/*
+ * Called when a device has been disconnected
+ * Called in ISR!!!! (no printf)
+ */
+/* virtual */ void USBHost::deviceDisconnected(int hub, int port, USBHostHub * hub_parent, volatile uint32_t addr)
+{
+ // be sure that the device disconnected is connected...
+ int idx = findDevice(hub, port, hub_parent);
+ if (idx != -1) {
+ if (!deviceInUse[idx])
+ return;
+ } else {
+ return;
+ }
+
+ message_t * usb_msg = mpool_usb_event.alloc();
+ usb_msg->event_id = DEVICE_DISCONNECTED_EVENT;
+ usb_msg->hub = hub;
+ usb_msg->port = port;
+ usb_msg->hub_parent = hub_parent;
+ queue_usb_event.put(usb_msg);
+}
+
+void USBHost::freeDevice(USBDeviceConnected * dev)
+{
+ USBEndpoint * ep = NULL;
+ HCED * ed = NULL;
+
+#if MAX_HUB_NB
+ if (dev->getClass() == HUB_CLASS) {
+ if (dev->hub == NULL) {
+ USB_ERR("HUB NULL!!!!!\r\n");
+ } else {
+ dev->hub->hubDisconnected();
+ for (uint8_t i = 0; i < MAX_HUB_NB; i++) {
+ if (dev->hub == &hubs[i]) {
+ hub_in_use[i] = false;
+ break;
+ }
+ }
+ }
+ }
+
+ // notify hub parent that this device has been disconnected
+ if (dev->getHubParent())
+ dev->getHubParent()->deviceDisconnected(dev);
+
+#endif
+
+ int idx = findDevice(dev);
+ if (idx != -1) {
+ deviceInUse[idx] = false;
+ deviceReset[idx] = false;
+ deviceAttachedDriver[idx] = false;
+
+ for (int j = 0; j < dev->getNbInterface(); j++) {
+ USB_DBG("FREE INTF %d on dev: %p, %p, nb_endpot: %d, %s", j, (void *)dev->getInterface(j), dev, dev->getInterface(j)->nb_endpoint, dev->getName());
+ for (int i = 0; i < dev->getInterface(j)->nb_endpoint; i++) {
+ if ((ep = dev->getEndpoint(j, i)) != NULL) {
+ ed = (HCED *)ep->getHCED();
+ ed->control |= (1 << 13); //sKip bit
+ unqueueEndpoint(ep);
+
+ freeTD((volatile uint8_t*)ep->getTDList()[0]);
+ freeTD((volatile uint8_t*)ep->getTDList()[1]);
+
+ freeED((uint8_t *)ep->getHCED());
+ }
+ printList(BULK_ENDPOINT);
+ printList(INTERRUPT_ENDPOINT);
+ }
+ }
+ USB_INFO("Device disconnected [%p - %s - hub: %d - port: %d]", dev, dev->getName(), dev->getHub(), dev->getPort());
+ dev->disconnect();
+ }
+}
+
+
+void USBHost::unqueueEndpoint(USBEndpoint * ep)
+{
+ USBEndpoint * prec = NULL;
+ USBEndpoint * current = NULL;
+
+ for (int i = 0; i < 2; i++) {
+ current = (i == 0) ? (USBEndpoint*)headBulkEndpoint : (USBEndpoint*)headInterruptEndpoint;
+ prec = current;
+ while (current != NULL) {
+ if (current == ep) {
+ if (current->nextEndpoint() != NULL) {
+ prec->queueEndpoint(current->nextEndpoint());
+ if (current == headBulkEndpoint) {
+ updateBulkHeadED((uint32_t)current->nextEndpoint()->getHCED());
+ headBulkEndpoint = current->nextEndpoint();
+ } else if (current == headInterruptEndpoint) {
+ updateInterruptHeadED((uint32_t)current->nextEndpoint()->getHCED());
+ headInterruptEndpoint = current->nextEndpoint();
+ }
+ }
+ // here we are dequeuing the queue of ed
+ // we need to update the tail pointer
+ else {
+ prec->queueEndpoint(NULL);
+ if (current == headBulkEndpoint) {
+ updateBulkHeadED(0);
+ headBulkEndpoint = current->nextEndpoint();
+ } else if (current == headInterruptEndpoint) {
+ updateInterruptHeadED(0);
+ headInterruptEndpoint = current->nextEndpoint();
+ }
+
+ // modify tail
+ switch (current->getType()) {
+ case BULK_ENDPOINT:
+ tailBulkEndpoint = prec;
+ break;
+ case INTERRUPT_ENDPOINT:
+ tailInterruptEndpoint = prec;
+ break;
+ }
+ }
+ current->setState(USB_TYPE_FREE);
+ return;
+ }
+ prec = current;
+ current = current->nextEndpoint();
+ }
+ }
+}
+
+
+USBDeviceConnected * USBHost::getDevice(uint8_t index)
+{
+ if ((index >= MAX_DEVICE_CONNECTED) || (!deviceInUse[index]) || (deviceAttachedDriver[index])) {
+ return NULL;
+ }
+ return (USBDeviceConnected*)&devices[index];
+}
+
+// create an USBEndpoint descriptor. the USBEndpoint is not linked
+USBEndpoint * USBHost::newEndpoint(ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir, uint32_t size, uint8_t addr)
+{
+ int i = 0;
+ HCED * ed = (HCED *)getED();
+ HCTD* td_list[2] = { (HCTD*)getTD(), (HCTD*)getTD() };
+
+ memset((void *)td_list[0], 0x00, sizeof(HCTD));
+ memset((void *)td_list[1], 0x00, sizeof(HCTD));
+
+ // search a free USBEndpoint
+ for (i = 0; i < MAX_ENDPOINT; i++) {
+ if (endpoints[i].getState() == USB_TYPE_FREE) {
+ endpoints[i].init(ed, type, dir, size, addr, td_list);
+ USB_DBG("USBEndpoint created (%p): type: %d, dir: %d, size: %d, addr: %d", &endpoints[i], type, dir, size, addr);
+ return &endpoints[i];
+ }
+ }
+ USB_ERR("could not allocate more endpoints!!!!");
+ return NULL;
+}
+
+
+USB_TYPE USBHost::resetDevice(USBDeviceConnected * dev)
+{
+ int index = findDevice(dev);
+ if (index != -1) {
+ USB_DBG("Resetting hub %d, port %d\n", dev->getHub(), dev->getPort());
+ wait_ms(50);
+ if (dev->getHub() == 0) {
+ resetRootHub();
+ }
+#if MAX_HUB_NB
+ else {
+ dev->getHubParent()->portReset(dev->getPort());
+ }
+#endif
+ wait_ms(100);
+ deviceReset[index] = true;
+ return USB_TYPE_OK;
+ }
+ if (deviceReset[index] && !deviceAttachedDriver[index])
+ return USB_TYPE_OK;
+
+ return USB_TYPE_ERROR;
+}
+
+// link the USBEndpoint to the linked list and attach an USBEndpoint to a device
+bool USBHost::addEndpoint(USBDeviceConnected * dev, uint8_t intf_nb, USBEndpoint * ep)
+{
+
+ if (ep == NULL) {
+ return false;
+ }
+
+ HCED * prevEd;
+
+ // set device address in the USBEndpoint descriptor
+ if (dev == NULL) {
+ ep->setDeviceAddress(0);
+ } else {
+ ep->setDeviceAddress(dev->getAddress());
+ }
+
+ if ((dev != NULL) && dev->getSpeed()) {
+ ep->setSpeed(dev->getSpeed());
+ }
+
+ // queue the new USBEndpoint on the ED list
+ switch (ep->getType()) {
+
+ case CONTROL_ENDPOINT:
+ prevEd = ( HCED*) controlHeadED();
+ if (!prevEd) {
+ updateControlHeadED((uint32_t) ep->getHCED());
+ USB_DBG("First control USBEndpoint: %08X", (uint32_t) ep->getHCED());
+ headControlEndpoint = ep;
+ tailControlEndpoint = ep;
+ return true;
+ }
+ tailControlEndpoint->queueEndpoint(ep);
+ tailControlEndpoint = ep;
+ return true;
+
+ case BULK_ENDPOINT:
+ prevEd = ( HCED*) bulkHeadED();
+ if (!prevEd) {
+ updateBulkHeadED((uint32_t) ep->getHCED());
+ USB_DBG("First bulk USBEndpoint: %08X\r\n", (uint32_t) ep->getHCED());
+ headBulkEndpoint = ep;
+ tailBulkEndpoint = ep;
+ break;
+ }
+ USB_DBG("Queue BULK Ed %p after %p\r\n",ep->getHCED(), prevEd);
+ tailBulkEndpoint->queueEndpoint(ep);
+ tailBulkEndpoint = ep;
+ break;
+
+ case INTERRUPT_ENDPOINT:
+ prevEd = ( HCED*) interruptHeadED();
+ if (!prevEd) {
+ updateInterruptHeadED((uint32_t) ep->getHCED());
+ USB_DBG("First interrupt USBEndpoint: %08X\r\n", (uint32_t) ep->getHCED());
+ headInterruptEndpoint = ep;
+ tailInterruptEndpoint = ep;
+ break;
+ }
+ USB_DBG("Queue INTERRUPT Ed %p after %p\r\n",ep->getHCED(), prevEd);
+ tailInterruptEndpoint->queueEndpoint(ep);
+ tailInterruptEndpoint = ep;
+ break;
+ default:
+ return false;
+ }
+
+ ep->dev = dev;
+ dev->addEndpoint(intf_nb, ep);
+
+ return true;
+}
+
+
+int USBHost::findDevice(USBDeviceConnected * dev)
+{
+ for (int i = 0; i < MAX_DEVICE_CONNECTED; i++) {
+ if (dev == &devices[i]) {
+ return i;
+ }
+ }
+ return -1;
+}
+
+int USBHost::findDevice(uint8_t hub, uint8_t port, USBHostHub * hub_parent)
+{
+ for (int i = 0; i < MAX_DEVICE_CONNECTED; i++) {
+ if (devices[i].getHub() == hub && devices[i].getPort() == port) {
+ if (hub_parent != NULL) {
+ if (hub_parent == devices[i].getHubParent())
+ return i;
+ } else {
+ return i;
+ }
+ }
+ }
+ return -1;
+}
+
+void USBHost::printList(ENDPOINT_TYPE type)
+{
+#if DEBUG_EP_STATE
+ HCED * hced;
+ switch(type) {
+ case CONTROL_ENDPOINT:
+ hced = (HCED *)controlHeadED();
+ break;
+ case BULK_ENDPOINT:
+ hced = (HCED *)bulkHeadED();
+ break;
+ case INTERRUPT_ENDPOINT:
+ hced = (HCED *)interruptHeadED();
+ break;
+ }
+ HCTD * hctd = NULL;
+ const char * type_str = (type == BULK_ENDPOINT) ? "BULK" :
+ ((type == INTERRUPT_ENDPOINT) ? "INTERRUPT" :
+ ((type == CONTROL_ENDPOINT) ? "CONTROL" : "ISOCHRONOUS"));
+ printf("State of %s:\r\n", type_str);
+ while (hced != NULL) {
+ uint8_t dir = ((hced->control & (3 << 11)) >> 11);
+ printf("hced: %p [ADDR: %d, DIR: %s, EP_NB: 0x%X]\r\n", hced,
+ hced->control & 0x7f,
+ (dir == 1) ? "OUT" : ((dir == 0) ? "FROM_TD":"IN"),
+ (hced->control & (0xf << 7)) >> 7);
+ hctd = (HCTD *)((uint32_t)(hced->headTD) & ~(0xf));
+ while (hctd != (hced->tailTD)) {
+ printf("\thctd: %p [DIR: %s]\r\n", hctd, ((hctd->control & (3 << 19)) >> 19) == 1 ? "OUT" : "IN");
+ hctd = (HCTD *)((uint32_t)(hctd->nextTD));
+ }
+ printf("\thctd: %p\r\n", hctd);
+ hced = (HCED *)((uint32_t)(hced->nextED));
+ }
+ printf("\r\n\r\n");
+#endif
+}
+
+
+// add a transfer on the TD linked list
+USB_TYPE USBHost::addTransfer(USBEndpoint * ed, uint8_t * buf, uint32_t len)
+{
+
+ // allocate a TD which will be freed in TDcompletion
+ volatile HCTD * td = ed->getNextTD();
+ if (td == NULL) {
+ return USB_TYPE_ERROR;
+ }
+
+ uint32_t token = (ed->isSetup() ? TD_SETUP : ( (ed->getDir() == IN) ? TD_IN : TD_OUT ));
+
+ uint32_t td_toggle;
+
+ if (ed->getType() == CONTROL_ENDPOINT) {
+ if (ed->isSetup()) {
+ td_toggle = TD_TOGGLE_0;
+ } else {
+ td_toggle = TD_TOGGLE_1;
+ }
+ } else {
+ td_toggle = 0;
+ }
+
+ td->control = (TD_ROUNDING | token | TD_DELAY_INT(0) | td_toggle | TD_CC);
+ td->currBufPtr = buf;
+ td->bufEnd = (buf + (len - 1));
+
+ ENDPOINT_TYPE type = ed->getType();
+
+ disableList(type);
+ ed->queueTransfer();
+ printList(type);
+ enableList(type);
+
+ return USB_TYPE_PROCESSING;
+}
+
+
+
+USB_TYPE USBHost::getDeviceDescriptor(USBDeviceConnected * dev, uint8_t * buf, uint16_t max_len_buf, uint16_t * len_dev_descr)
+{
+ USB_TYPE t = controlRead( dev,
+ USB_DEVICE_TO_HOST | USB_RECIPIENT_DEVICE,
+ GET_DESCRIPTOR,
+ (DEVICE_DESCRIPTOR << 8) | (0),
+ 0, buf, MIN(DEVICE_DESCRIPTOR_LENGTH, max_len_buf));
+ if (len_dev_descr)
+ *len_dev_descr = MIN(DEVICE_DESCRIPTOR_LENGTH, max_len_buf);
+
+ return t;
+}
+
+USB_TYPE USBHost::getConfigurationDescriptor(USBDeviceConnected * dev, uint8_t * buf, uint16_t max_len_buf, uint16_t * len_conf_descr)
+{
+ USB_TYPE res;
+ uint16_t total_conf_descr_length = 0;
+
+ // fourth step: get the beginning of the configuration descriptor to have the total length of the conf descr
+ res = controlRead( dev,
+ USB_DEVICE_TO_HOST | USB_RECIPIENT_DEVICE,
+ GET_DESCRIPTOR,
+ (CONFIGURATION_DESCRIPTOR << 8) | (0),
+ 0, buf, CONFIGURATION_DESCRIPTOR_LENGTH);
+
+ if (res != USB_TYPE_OK) {
+ USB_ERR("GET CONF 1 DESCR FAILED");
+ return res;
+ }
+ total_conf_descr_length = buf[2] | (buf[3] << 8);
+ total_conf_descr_length = MIN(max_len_buf, total_conf_descr_length);
+
+ if (len_conf_descr)
+ *len_conf_descr = total_conf_descr_length;
+
+ USB_DBG("TOTAL_LENGTH: %d \t NUM_INTERF: %d", total_conf_descr_length, buf[4]);
+
+ return controlRead( dev,
+ USB_DEVICE_TO_HOST | USB_RECIPIENT_DEVICE,
+ GET_DESCRIPTOR,
+ (CONFIGURATION_DESCRIPTOR << 8) | (0),
+ 0, buf, total_conf_descr_length);
+}
+
+
+USB_TYPE USBHost::setAddress(USBDeviceConnected * dev, uint8_t address) {
+ return controlWrite( dev,
+ USB_HOST_TO_DEVICE | USB_RECIPIENT_DEVICE,
+ SET_ADDRESS,
+ address,
+ 0, NULL, 0);
+
+}
+
+USB_TYPE USBHost::setConfiguration(USBDeviceConnected * dev, uint8_t conf)
+{
+ return controlWrite( dev,
+ USB_HOST_TO_DEVICE | USB_RECIPIENT_DEVICE,
+ SET_CONFIGURATION,
+ conf,
+ 0, NULL, 0);
+}
+
+
+// enumerate a device with the control USBEndpoint
+USB_TYPE USBHost::enumerate(USBDeviceConnected * dev, IUSBEnumerator* pEnumerator)
+{
+ uint16_t total_conf_descr_length = 0;
+ USB_TYPE res;
+
+ uint8_t index = findDevice(dev);
+
+ if (dev->isEnumerated() && deviceAttachedDriver[index]) {
+ return USB_TYPE_OK;
+ }
+
+ // third step: get the whole device descriptor to see vid, pid
+ res = getDeviceDescriptor(dev, data, DEVICE_DESCRIPTOR_LENGTH);
+
+ if ((res != USB_TYPE_OK) && (res != USB_TYPE_DEVICE_NOT_RESPONDING_ERROR)) {
+ USB_DBG("GET DEV DESCR FAILED");
+ return res;
+ }
+
+ dev->setClass(data[4]);
+ dev->setSubClass(data[5]);
+ dev->setProtocol(data[6]);
+ dev->setVid(data[8] | (data[9] << 8));
+ dev->setPid(data[10] | (data[11] << 8));
+ USB_DBG("CLASS: %02X \t VID: %04X \t PID: %04X", data[4], data[8] | (data[9] << 8), data[10] | (data[11] << 8));
+
+ pEnumerator->setVidPid( data[8] | (data[9] << 8), data[10] | (data[11] << 8) );
+
+ res = getConfigurationDescriptor(dev, data, 400, &total_conf_descr_length);
+ if (res != USB_TYPE_OK) {
+ return res;
+ }
+
+#if DEBUG
+ USB_DBG("CONFIGURATION DESCRIPTOR:\r\n");
+ for (int i = 0; i < total_conf_descr_length; i++)
+ printf("%02X ", data[i]);
+ printf("\r\n\r\n");
+#endif
+
+ // Parse the configuration descriptor
+ parseConfDescr(dev, data, total_conf_descr_length, pEnumerator);
+
+
+ // sixth step: set configuration (only 1 supported)
+ res = setConfiguration(dev, 1);
+
+ if (res != USB_TYPE_OK) {
+ USB_DBG("SET CONF FAILED");
+ return res;
+ }
+
+ // Now the device is enumerated!
+ dev->setEnumerated();
+ USB_DBG("device enumerated!!!!");
+
+ // Some devices may require this delay
+ Thread::wait(100);
+
+ 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;
+ int nb_endpoints_used = 0;
+ USBEndpoint * ep = NULL;
+ uint8_t intf_nb = 0;
+ bool parsing_intf = false;
+
+ while (index < len) {
+ len_desc = conf_descr[index];
+ id = conf_descr[index+1];
+ switch (id) {
+ case CONFIGURATION_DESCRIPTOR:
+ break;
+ case INTERFACE_DESCRIPTOR:
+ if(pEnumerator->parseInterface(intf_nb, conf_descr[index + 5], conf_descr[index + 6], conf_descr[index + 7])) {
+ if (intf_nb++ <= MAX_INTF) {
+ dev->addInterface(intf_nb - 1, conf_descr[index + 5], conf_descr[index + 6], conf_descr[index + 7]);
+ nb_endpoints_used = 0;
+ USB_DBG("ADD INTF %d on device %p: class: %d, subclass: %d, proto: %d", intf_nb - 1, (void *)dev, conf_descr[index + 5],conf_descr[index + 6],conf_descr[index + 7]);
+ } else {
+ USB_DBG("Drop intf...");
+ }
+ parsing_intf = true;
+ } else {
+ parsing_intf = false;
+ }
+ break;
+ case ENDPOINT_DESCRIPTOR:
+ if (parsing_intf && (intf_nb <= MAX_INTF) ) {
+ if (nb_endpoints_used < MAX_ENDPOINT_PER_INTERFACE) {
+ if( pEnumerator->useEndpoint(intf_nb - 1, (ENDPOINT_TYPE)(conf_descr[index + 3] & 0x03), (ENDPOINT_DIRECTION)((conf_descr[index + 2] >> 7) + 1)) ) {
+ // if the USBEndpoint is isochronous -> skip it (TODO: fix this)
+ if ((conf_descr[index + 3] & 0x03) != ISOCHRONOUS_ENDPOINT) {
+ ep = newEndpoint((ENDPOINT_TYPE)(conf_descr[index+3] & 0x03),
+ (ENDPOINT_DIRECTION)((conf_descr[index + 2] >> 7) + 1),
+ conf_descr[index + 4] | (conf_descr[index + 5] << 8),
+ conf_descr[index + 2] & 0x0f);
+ USB_DBG("ADD USBEndpoint %p, on interf %d on device %p", (void *)ep, intf_nb - 1, (void *)dev);
+ if (ep != NULL && dev != NULL) {
+ addEndpoint(dev, intf_nb - 1, ep);
+ } else {
+ USB_DBG("EP NULL");
+ }
+ nb_endpoints_used++;
+ } else {
+ USB_DBG("ISO USBEndpoint NOT SUPPORTED");
+ }
+ }
+ }
+ }
+ break;
+ case HID_DESCRIPTOR:
+ lenReportDescr = conf_descr[index + 7] | (conf_descr[index + 8] << 8);
+ break;
+ default:
+ break;
+ }
+ index += len_desc;
+ }
+}
+
+
+USB_TYPE USBHost::bulkWrite(USBDeviceConnected * dev, USBEndpoint * ep, uint8_t * buf, uint32_t len, bool blocking)
+{
+ return generalTransfer(dev, ep, buf, len, blocking, BULK_ENDPOINT, true);
+}
+
+USB_TYPE USBHost::bulkRead(USBDeviceConnected * dev, USBEndpoint * ep, uint8_t * buf, uint32_t len, bool blocking)
+{
+ return generalTransfer(dev, ep, buf, len, blocking, BULK_ENDPOINT, false);
+}
+
+USB_TYPE USBHost::interruptWrite(USBDeviceConnected * dev, USBEndpoint * ep, uint8_t * buf, uint32_t len, bool blocking)
+{
+ return generalTransfer(dev, ep, buf, len, blocking, INTERRUPT_ENDPOINT, true);
+}
+
+USB_TYPE USBHost::interruptRead(USBDeviceConnected * dev, USBEndpoint * ep, uint8_t * buf, uint32_t len, bool blocking)
+{
+ return generalTransfer(dev, ep, buf, len, blocking, INTERRUPT_ENDPOINT, false);
+}
+
+USB_TYPE USBHost::generalTransfer(USBDeviceConnected * dev, USBEndpoint * ep, uint8_t * buf, uint32_t len, bool blocking, ENDPOINT_TYPE type, bool write) {
+
+#if DEBUG_TRANSFER
+ const char * type_str = (type == BULK_ENDPOINT) ? "BULK" : ((type == INTERRUPT_ENDPOINT) ? "INTERRUPT" : "ISOCHRONOUS");
+ USB_DBG_TRANSFER("----- %s %s [dev: %p - %s - hub: %d - port: %d - addr: %d]------", type_str, (write) ? "WRITE" : "READ", dev, dev->getName(), dev->getHub(), dev->getPort(), dev->getAddress());
+#endif
+
+ USB_TYPE res;
+ ENDPOINT_DIRECTION dir = (write) ? OUT : IN;
+
+ if (dev == NULL) {
+ USB_ERR("dev NULL");
+ return USB_TYPE_ERROR;
+ }
+
+ if (ep == NULL) {
+ USB_ERR("ep NULL");
+ return USB_TYPE_ERROR;
+ }
+
+ if (ep->getState() != USB_TYPE_IDLE) {
+ USB_WARN("[ep: %p - dev: %p] NOT IDLE: %s", ep, ep->dev, ep->getStateString());
+ return ep->getState();
+ }
+
+ if ((ep->getDir() != dir) || (ep->getType() != type)) {
+ USB_ERR("[ep: %p - dev: %p] wrong dir or bad USBEndpoint type", ep, ep->dev);
+ return USB_TYPE_ERROR;
+ }
+
+ if (dev->getAddress() != ep->getDeviceAddress()) {
+ USB_ERR("[ep: %p - dev: %p] USBEndpoint addr and device addr don't match", ep, ep->dev);
+ return USB_TYPE_ERROR;
+ }
+
+
+
+#if DEBUG_TRANSFER
+ if (write) {
+ USB_DBG_TRANSFER("%s WRITE buffer", type_str);
+ for (int i = 0; i < ep->getLengthTransferred(); i++)
+ printf("%02X ", buf[i]);
+ printf("\r\n\r\n");
+ }
+#endif
+ usb_mutex.lock();
+ addTransfer(ep, buf, len);
+ usb_mutex.unlock();
+
+ if (blocking) {
+
+ while((res = ep->getState()) == USB_TYPE_PROCESSING) {
+ Thread::wait(1);
+ }
+
+ USB_DBG_TRANSFER("%s TRANSFER res: %s", type_str, ep->getStateString());
+
+ if (res != USB_TYPE_IDLE) {
+ return res;
+ }
+
+ return USB_TYPE_OK;
+ }
+ return USB_TYPE_PROCESSING;
+
+}
+
+
+USB_TYPE USBHost::controlRead(USBDeviceConnected * dev, uint8_t requestType, uint8_t request, uint32_t value, uint32_t index, uint8_t * buf, uint32_t len) {
+ return controlTransfer(dev, requestType, request, value, index, buf, len, false);
+}
+
+USB_TYPE USBHost::controlWrite(USBDeviceConnected * dev, uint8_t requestType, uint8_t request, uint32_t value, uint32_t index, uint8_t * buf, uint32_t len) {
+ return controlTransfer(dev, requestType, request, value, index, buf, len, true);
+}
+
+
+USB_TYPE USBHost::controlTransfer(USBDeviceConnected * dev, uint8_t requestType, uint8_t request, uint32_t value, uint32_t index, uint8_t * buf, uint32_t len, bool write)
+{
+ USB_DBG_TRANSFER("----- CONTROL %s [dev: %p - %s - hub: %d - port: %d] ------", (write) ? "WRITE" : "READ", dev, dev->getName(), dev->getHub(), dev->getPort());
+
+ int length_transfer = len;
+ USB_TYPE res;
+ uint32_t token;
+
+ usb_mutex.lock();
+ control->setSpeed(dev->getSpeed());
+ control->setSize(dev->getSizeControlEndpoint());
+ if (dev->isActiveAddress()) {
+ control->setDeviceAddress(dev->getAddress());
+ } else {
+ control->setDeviceAddress(0);
+ }
+
+ USB_DBG_TRANSFER("Control transfer on device: %d\r\n", control->getDeviceAddress());
+ fillControlBuf(requestType, request, value, index, len);
+
+#if DEBUG_TRANSFER
+ USB_DBG_TRANSFER("SETUP PACKET: ");
+ for (int i = 0; i < 8; i++)
+ printf("%01X ", setupPacket[i]);
+ printf("\r\n");
+#endif
+
+ control->setNextToken(TD_SETUP);
+ addTransfer(control, (uint8_t*)setupPacket, 8);
+
+ while((res = control->getState()) == USB_TYPE_PROCESSING) {
+ Thread::wait(1);
+ }
+
+ USB_DBG_TRANSFER("CONTROL setup stage %s", control->getStateString());
+
+ if (res != USB_TYPE_IDLE) {
+ usb_mutex.unlock();
+ return res;
+ }
+
+ if (length_transfer) {
+ token = (write) ? TD_OUT : TD_IN;
+ control->setNextToken(token);
+ addTransfer(control, (uint8_t *)buf, length_transfer);
+
+ while((res = control->getState()) == USB_TYPE_PROCESSING) {
+ Thread::wait(1);
+ }
+
+#if DEBUG_TRANSFER
+ USB_DBG_TRANSFER("CONTROL %s stage %s", (write) ? "WRITE" : "READ", control->getStateString());
+ if (write) {
+ USB_DBG_TRANSFER("CONTROL WRITE buffer");
+ for (int i = 0; i < control->getLengthTransferred(); i++)
+ printf("%02X ", buf[i]);
+ printf("\r\n\r\n");
+ } else {
+ USB_DBG_TRANSFER("CONTROL READ SUCCESS [%d bytes transferred]", control->getLengthTransferred());
+ for (int i = 0; i < control->getLengthTransferred(); i++)
+ printf("%02X ", buf[i]);
+ printf("\r\n\r\n");
+ }
+#endif
+
+ if (res != USB_TYPE_IDLE) {
+ usb_mutex.unlock();
+ return res;
+ }
+ }
+
+ token = (write) ? TD_IN : TD_OUT;
+ control->setNextToken(token);
+ addTransfer(control, NULL, 0);
+
+ while((res = control->getState()) == USB_TYPE_PROCESSING) {
+ Thread::wait(1);
+ }
+
+ USB_DBG_TRANSFER("CONTROL ack stage %s", control->getStateString());
+ usb_mutex.unlock();
+
+ if (res != USB_TYPE_IDLE)
+ return res;
+
+ return USB_TYPE_OK;
+}
+
+
+void USBHost::fillControlBuf(uint8_t requestType, uint8_t request, uint16_t value, uint16_t index, int len)
+{
+#ifdef __BIG_ENDIAN
+#error "Must implement BE to LE conv here"
+#endif
+ setupPacket[0] = requestType;
+ setupPacket[1] = request;
+ //We are in LE so it's fine
+ *((uint16_t*)&setupPacket[2]) = value;
+ *((uint16_t*)&setupPacket[4]) = index;
+ *((uint16_t*)&setupPacket[6]) = (uint32_t) len;
+}
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/USBHost/USBHost.h Wed Mar 06 16:27:14 2013 +0000
@@ -0,0 +1,377 @@
+/* Copyright (c) 2010-2012 mbed.org, MIT License
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+* and associated documentation files (the "Software"), to deal in the Software without
+* restriction, including without limitation the rights to use, copy, modify, merge, publish,
+* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or
+* substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#ifndef USBHOST_H
+#define USBHOST_H
+
+#include "USBHALHost.h"
+#include "USBDeviceConnected.h"
+#include "IUSBEnumerator.h"
+#include "USBHostConf.h"
+#include "rtos.h"
+#include "dbg.h"
+#include "USBHostHub.h"
+
+// singleton class
+class USBHost : public USBHALHost {
+public:
+ /**
+ * Static method to create or retrieve the single USBHost instance
+ */
+ static USBHost * getHostInst();
+
+ /**
+ * Control read: setup stage, data stage and status stage
+ *
+ * @param dev the control read will be done for this device
+ * @param requestType request type
+ * @param request request
+ * @param value value
+ * @param index index
+ * @param buf pointer on a buffer where will be store the data received
+ * @param len length of the transfer
+ *
+ * @returns status of the control read
+ */
+ USB_TYPE controlRead(USBDeviceConnected * dev, uint8_t requestType, uint8_t request, uint32_t value, uint32_t index, uint8_t * buf, uint32_t len);
+
+ /**
+ * Control write: setup stage, data stage and status stage
+ *
+ * @param dev the control write will be done for this device
+ * @param requestType request type
+ * @param request request
+ * @param value value
+ * @param index index
+ * @param buf pointer on a buffer which will be written
+ * @param len length of the transfer
+ *
+ * @returns status of the control write
+ */
+ USB_TYPE controlWrite(USBDeviceConnected * dev, uint8_t requestType, uint8_t request, uint32_t value, uint32_t index, uint8_t * buf, uint32_t len);
+
+ /**
+ * Bulk read
+ *
+ * @param dev the bulk transfer will be done for this device
+ * @param ep USBEndpoint which will be used to read a packet
+ * @param buf pointer on a buffer where will be store the data received
+ * @param len length of the transfer
+ * @param blocking if true, the read is blocking (wait for completion)
+ *
+ * @returns status of the bulk read
+ */
+ USB_TYPE bulkRead(USBDeviceConnected * dev, USBEndpoint * ep, uint8_t * buf, uint32_t len, bool blocking = true);
+
+ /**
+ * Bulk write
+ *
+ * @param dev the bulk transfer will be done for this device
+ * @param ep USBEndpoint which will be used to write a packet
+ * @param buf pointer on a buffer which will be written
+ * @param len length of the transfer
+ * @param blocking if true, the write is blocking (wait for completion)
+ *
+ * @returns status of the bulk write
+ */
+ USB_TYPE bulkWrite(USBDeviceConnected * dev, USBEndpoint * ep, uint8_t * buf, uint32_t len, bool blocking = true);
+
+ /**
+ * Interrupt read
+ *
+ * @param dev the bulk transfer will be done for this device
+ * @param ep USBEndpoint which will be used to write a packet
+ * @param buf pointer on a buffer which will be written
+ * @param len length of the transfer
+ * @param blocking if true, the read is blocking (wait for completion)
+ *
+ * @returns status of the interrupt read
+ */
+ USB_TYPE interruptRead(USBDeviceConnected * dev, USBEndpoint * ep, uint8_t * buf, uint32_t len, bool blocking = true);
+
+ /**
+ * Interrupt write
+ *
+ * @param dev the bulk transfer will be done for this device
+ * @param ep USBEndpoint which will be used to write a packet
+ * @param buf pointer on a buffer which will be written
+ * @param len length of the transfer
+ * @param blocking if true, the write is blocking (wait for completion)
+ *
+ * @returns status of the interrupt write
+ */
+ USB_TYPE interruptWrite(USBDeviceConnected * dev, USBEndpoint * ep, uint8_t * buf, uint32_t len, bool blocking = true);
+
+ /**
+ * Enumerate a device.
+ *
+ * @param dev device which will be enumerated
+ *
+ * @returns status of the enumeration
+ */
+ USB_TYPE enumerate(USBDeviceConnected * dev, IUSBEnumerator* pEnumerator);
+
+ /**
+ * Get a device
+ *
+ * @param index index of the device which will be returned
+ *
+ * @returns pointer on the "index" device
+ */
+ USBDeviceConnected * getDevice(uint8_t index);
+
+ /*
+ * reset a specific device
+ *
+ * @param dev device which will be resetted
+ */
+ USB_TYPE resetDevice(USBDeviceConnected * dev);
+
+ /**
+ * If there is a HID device connected, the host stores the length of the report descriptor.
+ * This avoid to the driver to re-ask the configuration descriptor to request the report descriptor
+ *
+ * @returns length of the report descriptor
+ */
+ inline uint16_t getLengthReportDescr() {
+ return lenReportDescr;
+ };
+
+ /**
+ * register a driver into the host associated with a callback function called when the device is disconnected
+ *
+ * @param dev device
+ * @param tptr pointer to the object to call the member function on
+ * @param mptr pointer to the member function to be called
+ */
+ template<typename T>
+ inline void registerDriver(USBDeviceConnected * dev, uint8_t intf, T* tptr, void (T::*mptr)(void)) {
+ int index = findDevice(dev);
+ if ((index != -1) && (mptr != NULL) && (tptr != NULL)) {
+ USB_DBG("register driver for dev: %p", dev);
+ deviceAttachedDriver[index] = true;
+ dev->onDisconnect(intf, tptr, mptr);
+ }
+ }
+
+ /**
+ * register a driver into the host associated with a callback function called when the device is disconnected
+ *
+ * @param dev device
+ * @param fn callback called when the specified device has been disconnected
+ */
+ inline void registerDriver(USBDeviceConnected * dev, uint8_t intf, void (*fn)(void)) {
+ int index = findDevice(dev);
+ if ((index != -1) && (fn != NULL)) {
+ USB_DBG("register driver for dev: %p", dev);
+ deviceAttachedDriver[index] = true;
+ dev->onDisconnect(intf, fn);
+ }
+ }
+
+ /**
+ * Virtual method called when a device has been connected
+ *
+ * @param hub hub number of the device
+ * @param port port number of the device
+ * @param lowSpeed 1 if low speed, 0 otherwise
+ * @param hub_parent reference on the parent hub
+ */
+ virtual void deviceConnected(int hub, int port, bool lowSpeed, USBHostHub * hub_parent = NULL);
+
+ /**
+ * Virtuel method called when a device has been disconnected
+ *
+ * @param hub hub number of the device
+ * @param port port number of the device
+ * @param addr list of the TDs which have been completed to dequeue freed TDs
+ */
+ virtual void deviceDisconnected(int hub, int port, USBHostHub * hub_parent, volatile uint32_t addr);
+
+ /**
+ * Free a specific device
+ *
+ * @param dev device to be freed
+ */
+ void freeDevice(USBDeviceConnected * dev);
+
+protected:
+
+ /**
+ * Virtual method called when a transfer has been completed
+ *
+ * @param addr list of the TDs which have been completed
+ */
+ virtual void transferCompleted(volatile uint32_t addr) ;
+
+
+private:
+ // singleton class -> constructor is private
+ USBHost();
+ static USBHost * instHost;
+ uint16_t lenReportDescr;
+
+ // endpoints
+ void unqueueEndpoint(USBEndpoint * ep) ;
+ USBEndpoint endpoints[MAX_ENDPOINT];
+ USBEndpoint* volatile control;
+
+ USBEndpoint* volatile headControlEndpoint;
+ USBEndpoint* volatile headBulkEndpoint;
+ USBEndpoint* volatile headInterruptEndpoint;
+
+ USBEndpoint* volatile tailControlEndpoint;
+ USBEndpoint* volatile tailBulkEndpoint;
+ USBEndpoint* volatile tailInterruptEndpoint;
+
+ bool controlEndpointAllocated;
+
+ // devices connected
+ USBDeviceConnected devices[MAX_DEVICE_CONNECTED];
+ volatile bool deviceInUse[MAX_DEVICE_CONNECTED];
+ volatile bool deviceAttachedDriver[MAX_DEVICE_CONNECTED];
+ volatile bool deviceReset[MAX_DEVICE_CONNECTED];
+
+#if MAX_HUB_NB
+ USBHostHub hubs[MAX_HUB_NB];
+ bool hub_in_use[MAX_HUB_NB];
+#endif
+
+ // to store a setup packet
+ uint8_t setupPacket[8];
+
+ typedef struct {
+ uint8_t event_id;
+ void * td_addr;
+ uint8_t hub;
+ uint8_t port;
+ uint8_t lowSpeed;
+ uint8_t td_state;
+ void * hub_parent;
+ } message_t;
+
+ Thread usbThread;
+ void usb_process();
+ static void usb_process_static(void const * arg);
+ MemoryPool<message_t, 10> mpool_usb_event;
+ Queue<message_t, 10> queue_usb_event;
+ Mutex usb_mutex;
+
+ // buffer for conf descriptor
+ uint8_t data[400];
+
+ /**
+ * Add a transfer on the TD linked list associated to an ED
+ *
+ * @param ed the transfer is associated to this ed
+ * @param buf pointer on a buffer where will be read/write data to send or receive
+ * @param len transfer length
+ *
+ * @return status of the transfer
+ */
+ USB_TYPE addTransfer(USBEndpoint * ed, uint8_t * buf, uint32_t len) ;
+
+ /**
+ * Link the USBEndpoint to the linked list and attach an USBEndpoint this USBEndpoint to a device
+ *
+ * @param dev pointer on a USBDeviceConnected object
+ * @param ep pointer on the USBEndpoint which will be added
+ *
+ * return true if successful
+ */
+ bool addEndpoint(USBDeviceConnected * dev, uint8_t intf_nb, USBEndpoint * ep) ;
+
+ /**
+ * Create an USBEndpoint descriptor. Warning: the USBEndpoint is not linked.
+ *
+ * @param type USBEndpoint type (CONTROL_ENDPOINT, BULK_ENDPOINT, INTERRUPT_ENDPOINT)
+ * @param dir USBEndpoint direction (no meaning for CONTROL_ENDPOINT)
+ * @param size USBEndpoint max packet size
+ * @param addr USBEndpoint address
+ *
+ * @returns pointer on the USBEndpoint created
+ */
+ USBEndpoint * newEndpoint(ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir, uint32_t size, uint8_t addr) ;
+
+ /**
+ * Request the device descriptor
+ *
+ * @param dev request the device descriptor on this device
+ * @param buf buffer to store the device descriptor
+ * @param max_len_buf maximum size of buf
+ * @param len_dev_descr pointer to store the length of the packet transferred
+ */
+ USB_TYPE getDeviceDescriptor(USBDeviceConnected * dev, uint8_t * buf, uint16_t max_len_buf, uint16_t * len_dev_descr = NULL);
+
+ /**
+ * Request the configuration descriptor
+ *
+ * @param dev request the configuration descriptor on this device
+ * @param buf buffer to store the configuration descriptor
+ * @param max_len_buf maximum size of buf
+ * @param len_conf_descr pointer to store the length of the packet transferred
+ */
+ USB_TYPE getConfigurationDescriptor(USBDeviceConnected * dev, uint8_t * buf, uint16_t max_len_buf, uint16_t * len_conf_descr = NULL);
+
+ /**
+ * Set the address of a specific device
+ *
+ * @param dev device to set the address
+ * @param address address
+ */
+ USB_TYPE setAddress(USBDeviceConnected * dev, uint8_t address);
+
+ /**
+ * Set the configuration of a device
+ *
+ * @param dev device on which the specified configuration will be activated
+ * @param conf configuration number to activate (usually 1)
+ */
+ USB_TYPE setConfiguration(USBDeviceConnected * dev, uint8_t conf);
+
+ USB_TYPE controlTransfer( USBDeviceConnected * dev,
+ uint8_t requestType,
+ uint8_t request,
+ uint32_t value,
+ uint32_t index,
+ uint8_t * buf,
+ uint32_t len,
+ bool write);
+
+ USB_TYPE generalTransfer( USBDeviceConnected * dev,
+ USBEndpoint * ep,
+ uint8_t * buf,
+ uint32_t len,
+ bool blocking,
+ ENDPOINT_TYPE type,
+ bool write) ;
+
+ void fillControlBuf(uint8_t requestType, uint8_t request, uint16_t value, uint16_t index, int len) ;
+ void parseConfDescr(USBDeviceConnected * dev, uint8_t * conf_descr, uint32_t len, IUSBEnumerator* pEnumerator) ;
+ int findDevice(USBDeviceConnected * dev) ;
+ int findDevice(uint8_t hub, uint8_t port, USBHostHub * hub_parent = NULL) ;
+
+ /////////////////////////
+ /// FOR DEBUG
+ /////////////////////////
+ void printList(ENDPOINT_TYPE type);
+
+};
+
+#endif
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/USBHost/USBHostConf.h Wed Mar 06 16:27:14 2013 +0000 @@ -0,0 +1,66 @@ +#ifndef USBHOST_CONF_H +#define USBHOST_CONF_H + +/* +* Maximum number of devices that can be connected +* to the usb host +*/ +#define MAX_DEVICE_CONNECTED 10 + +/* +* Maximum of Hub connected to the usb host +*/ +#define MAX_HUB_NB 5 + +/* +* Maximum number of ports on a USB hub +*/ +#define MAX_HUB_PORT 4 + +/* +* Enable USBHostMSD +*/ +#define USBHOST_MSD 1 + +/* +* Enable USBHostKeyboard +*/ +#define USBHOST_KEYBOARD 1 + +/* +* Enable USBHostMouse +*/ +#define USBHOST_MOUSE 1 + +/* +* Enable USBHostSerial +*/ +#define USBHOST_SERIAL 1 + +/* +* Maximum number of interfaces of a usb device +*/ +#define MAX_INTF 2 + +/* +* Maximum number of endpoints on each interface +*/ +#define MAX_ENDPOINT_PER_INTERFACE 3 + +/* +* Maximum number of endpoint descriptors that can be allocated +*/ +#define MAX_ENDPOINT (MAX_DEVICE_CONNECTED * MAX_INTF * MAX_ENDPOINT_PER_INTERFACE) + +/* +* Maximum number of transfer descriptors that can be allocated +*/ +#define MAX_TD (MAX_ENDPOINT*2) + +/* +* usb_thread stack size +*/ +#define USB_THREAD_STACK (128*4 + MAX_HUB_NB*128*4) + +#endif +
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/USBHost/USBHostTypes.h Wed Mar 06 16:27:14 2013 +0000
@@ -0,0 +1,228 @@
+/* Copyright (c) 2010-2012 mbed.org, MIT License
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+* and associated documentation files (the "Software"), to deal in the Software without
+* restriction, including without limitation the rights to use, copy, modify, merge, publish,
+* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or
+* substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#ifndef USB_INC_H
+#define USB_INC_H
+
+#include "mbed.h"
+
+enum USB_TYPE {
+ USB_TYPE_OK = 0,
+
+ // completion code
+ USB_TYPE_CRC_ERROR = 1,
+ USB_TYPE_BIT_STUFFING_ERROR = 2,
+ USB_TYPE_DATA_TOGGLE_MISMATCH_ERROR = 3,
+ USB_TYPE_STALL_ERROR = 4,
+ USB_TYPE_DEVICE_NOT_RESPONDING_ERROR = 5,
+ USB_TYPE_PID_CHECK_FAILURE_ERROR = 6,
+ USB_TYPE_UNEXPECTED_PID_ERROR = 7,
+ USB_TYPE_DATA_OVERRUN_ERROR = 8,
+ USB_TYPE_DATA_UNDERRUN_ERROR = 9,
+ USB_TYPE_RESERVED = 9,
+ USB_TYPE_RESERVED_ = 10,
+ USB_TYPE_BUFFER_OVERRUN_ERROR = 12,
+ USB_TYPE_BUFFER_UNDERRUN_ERROR = 13,
+
+ // general usb state
+ USB_TYPE_DISCONNECTED = 14,
+ USB_TYPE_FREE = 15,
+ USB_TYPE_IDLE = 16,
+ USB_TYPE_PROCESSING = 17,
+
+ USB_TYPE_ERROR = 18,
+};
+
+
+enum ENDPOINT_DIRECTION {
+ OUT = 1,
+ IN
+};
+
+enum ENDPOINT_TYPE {
+ CONTROL_ENDPOINT = 0,
+ ISOCHRONOUS_ENDPOINT,
+ BULK_ENDPOINT,
+ INTERRUPT_ENDPOINT
+};
+
+#define AUDIO_CLASS 0x01
+#define CDC_CLASS 0x02
+#define HID_CLASS 0x03
+#define MSD_CLASS 0x08
+#define HUB_CLASS 0x09
+#define SERIAL_CLASS 0x0A
+
+// ------------------ HcControl Register ---------------------
+#define OR_CONTROL_PLE 0x00000004
+#define OR_CONTROL_CLE 0x00000010
+#define OR_CONTROL_BLE 0x00000020
+#define OR_CONTROL_HCFS 0x000000C0
+#define OR_CONTROL_HC_OPER 0x00000080
+// ----------------- HcCommandStatus Register -----------------
+#define OR_CMD_STATUS_HCR 0x00000001
+#define OR_CMD_STATUS_CLF 0x00000002
+#define OR_CMD_STATUS_BLF 0x00000004
+// --------------- HcInterruptStatus Register -----------------
+#define OR_INTR_STATUS_WDH 0x00000002
+#define OR_INTR_STATUS_RHSC 0x00000040
+#define OR_INTR_STATUS_UE 0x00000010
+// --------------- HcInterruptEnable Register -----------------
+#define OR_INTR_ENABLE_WDH 0x00000002
+#define OR_INTR_ENABLE_RHSC 0x00000040
+#define OR_INTR_ENABLE_MIE 0x80000000
+// ---------------- HcRhDescriptorA Register ------------------
+#define OR_RH_STATUS_LPSC 0x00010000
+#define OR_RH_STATUS_DRWE 0x00008000
+// -------------- HcRhPortStatus[1:NDP] Register --------------
+#define OR_RH_PORT_CCS 0x00000001
+#define OR_RH_PORT_PRS 0x00000010
+#define OR_RH_PORT_CSC 0x00010000
+#define OR_RH_PORT_PRSC 0x00100000
+#define OR_RH_PORT_LSDA 0x00000200
+
+#define FI 0x2EDF // 12000 bits per frame (-1)
+#define DEFAULT_FMINTERVAL ((((6 * (FI - 210)) / 7) << 16) | FI)
+
+#define ED_SKIP (uint32_t) (0x00001000) // Skip this ep in queue
+
+#define TD_ROUNDING (uint32_t) (0x00040000) // Buffer Rounding
+#define TD_SETUP (uint32_t)(0) // Direction of Setup Packet
+#define TD_IN (uint32_t)(0x00100000) // Direction In
+#define TD_OUT (uint32_t)(0x00080000) // Direction Out
+#define TD_DELAY_INT(x) (uint32_t)((x) << 21) // Delay Interrupt
+#define TD_TOGGLE_0 (uint32_t)(0x02000000) // Toggle 0
+#define TD_TOGGLE_1 (uint32_t)(0x03000000) // Toggle 1
+#define TD_CC (uint32_t)(0xF0000000) // Completion Code
+
+#define DEVICE_DESCRIPTOR (1)
+#define CONFIGURATION_DESCRIPTOR (2)
+#define INTERFACE_DESCRIPTOR (4)
+#define ENDPOINT_DESCRIPTOR (5)
+#define HID_DESCRIPTOR (33)
+
+// ----------- Control RequestType Fields -----------
+#define USB_DEVICE_TO_HOST 0x80
+#define USB_HOST_TO_DEVICE 0x00
+#define USB_REQUEST_TYPE_CLASS 0x20
+#define USB_REQUEST_TYPE_STANDARD 0x00
+#define USB_RECIPIENT_DEVICE 0x00
+#define USB_RECIPIENT_INTERFACE 0x01
+#define USB_RECIPIENT_ENDPOINT 0x02
+
+// -------------- USB Standard Requests --------------
+#define SET_ADDRESS 0x05
+#define GET_DESCRIPTOR 0x06
+#define SET_CONFIGURATION 0x09
+#define SET_INTERFACE 0x0b
+#define CLEAR_FEATURE 0x01
+
+// -------------- USB Descriptor Length --------------
+#define DEVICE_DESCRIPTOR_LENGTH 0x12
+#define CONFIGURATION_DESCRIPTOR_LENGTH 0x09
+
+// ------------ HostController Transfer Descriptor ------------
+typedef __packed struct hcTd {
+ __IO uint32_t control; // Transfer descriptor control
+ __IO uint8_t * currBufPtr; // Physical address of current buffer pointer
+ __IO uint32_t nextTD; // Physical pointer to next Transfer Descriptor
+ __IO uint8_t * bufEnd; // Physical address of end of buffer
+ void * ep; // ep address where a td is linked in
+ uint32_t dummy[3]; // padding
+} HCTD;
+
+// ----------- HostController EndPoint Descriptor -------------
+typedef __packed struct hcEd {
+ __IO uint32_t control; // Endpoint descriptor control
+ __IO HCTD * tailTD; // Physical address of tail in Transfer descriptor list
+ __IO HCTD * headTD; // Physcial address of head in Transfer descriptor list
+ __IO uint32_t nextED; // Physical address of next Endpoint descriptor
+} HCED;
+
+
+// ----------- Host Controller Communication Area ------------
+typedef __packed struct hcca {
+ __IO uint32_t IntTable[32]; // Interrupt Table
+ __IO uint32_t FrameNumber; // Frame Number
+ __IO uint32_t DoneHead; // Done Head
+ volatile uint8_t Reserved[116]; // Reserved for future use
+ volatile uint8_t Unknown[4]; // Unused
+} HCCA;
+
+typedef __packed struct {
+ uint8_t bLength;
+ uint8_t bDescriptorType;
+ uint16_t bcdUSB;
+ uint8_t bDeviceClass;
+ uint8_t bDeviceSubClass;
+ uint8_t bDeviceProtocol;
+ uint8_t bMaxPacketSize;
+ uint16_t idVendor;
+ uint16_t idProduct;
+ uint16_t bcdDevice;
+ uint8_t iManufacturer;
+ uint8_t iProduct;
+ uint8_t iSerialNumber;
+ uint8_t bNumConfigurations;
+} DeviceDescriptor;
+
+typedef __packed struct {
+ uint8_t bLength;
+ uint8_t bDescriptorType;
+ uint16_t wTotalLength;
+ uint8_t bNumInterfaces;
+ uint8_t bConfigurationValue;
+ uint8_t iConfiguration;
+ uint8_t bmAttributes;
+ uint8_t bMaxPower;
+} ConfigurationDescriptor;
+
+typedef struct {
+ uint8_t bLength;
+ uint8_t bDescriptorType;
+ uint8_t bInterfaceNumber;
+ uint8_t bAlternateSetting;
+ uint8_t bNumEndpoints;
+ uint8_t bInterfaceClass;
+ uint8_t bInterfaceSubClass;
+ uint8_t bInterfaceProtocol;
+ uint8_t iInterface;
+} InterfaceDescriptor;
+
+typedef struct {
+ uint8_t bLength;
+ uint8_t bDescriptorType;
+ uint8_t bEndpointAddress;
+ uint8_t bmAttributes;
+ uint16_t wMaxPacketSize;
+ uint8_t bInterval;
+} EndpointDescriptor;
+
+typedef struct {
+ uint8_t bDescLength;
+ uint8_t bDescriptorType;
+ uint8_t bNbrPorts;
+ uint16_t wHubCharacteristics;
+ uint8_t bPwrOn2PwrGood;
+ uint8_t bHubContrCurrent;
+ uint8_t DeviceRemovable;
+ uint8_t PortPweCtrlMak;
+} HubDescriptor;
+
+#endif
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/USBHost/dbg.h Wed Mar 06 16:27:14 2013 +0000
@@ -0,0 +1,35 @@
+#ifndef USB_DEBUG_H
+#define USB_DEBUG_H
+
+//Debug is disabled by default
+#define DEBUG 0
+#define DEBUG_TRANSFER 0
+#define DEBUG_EP_STATE 0
+#define DEBUG_EVENT 0
+
+#if (DEBUG)
+#define USB_DBG(x, ...) std::printf("[USB_DBG: %s:%d]"x"\r\n", __FILE__, __LINE__, ##__VA_ARGS__);
+#else
+#define USB_DBG(x, ...)
+#endif
+
+#if (DEBUG_TRANSFER)
+#define USB_DBG_TRANSFER(x, ...) std::printf("[USB_TRANSFER: %s:%d]"x"\r\n", __FILE__, __LINE__, ##__VA_ARGS__);
+#else
+#define USB_DBG_TRANSFER(x, ...)
+#endif
+
+#if (DEBUG_EVENT)
+#define USB_DBG_EVENT(x, ...) std::printf("[USB_EVENT: %s:%d]"x"\r\n", __FILE__, __LINE__, ##__VA_ARGS__);
+#else
+#define USB_DBG_EVENT(x, ...)
+#endif
+
+#define USB_INFO(x, ...) std::printf("[USB_INFO: %s:%d]"x"\r\n", __FILE__, __LINE__, ##__VA_ARGS__);
+#define USB_WARN(x, ...) std::printf("[USB_WARNING: %s:%d]"x"\r\n", __FILE__, __LINE__, ##__VA_ARGS__);
+#define USB_ERR(x, ...) std::printf("[USB_ERR: %s:%d]"x"\r\n", __FILE__, __LINE__, ##__VA_ARGS__);
+
+#endif
+
+
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/USBHostHID/USBHostKeyboard.cpp Wed Mar 06 16:27:14 2013 +0000
@@ -0,0 +1,189 @@
+/* Copyright (c) 2010-2011 mbed.org, MIT License
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+* and associated documentation files (the "Software"), to deal in the Software without
+* restriction, including without limitation the rights to use, copy, modify, merge, publish,
+* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or
+* substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#include "USBHostKeyboard.h"
+
+#if USBHOST_KEYBOARD
+
+static uint8_t keymap[4][0x39] = {
+ { 0, 0, 0, 0, 'a', 'b' /*0x05*/,
+ 'c', 'd', 'e', 'f', 'g' /*0x0a*/,
+ 'h', 'i', 'j', 'k', 'l'/*0x0f*/,
+ 'm', 'n', 'o', 'p', 'q'/*0x14*/,
+ 'r', 's', 't', 'u', 'v'/*0x19*/,
+ 'w', 'x', 'y', 'z', '1'/*0x1E*/,
+ '2', '3', '4', '5', '6'/*0x23*/,
+ '7', '8', '9', '0', 0x0A /*enter*/, /*0x28*/
+ 0x1B /*escape*/, 0x08 /*backspace*/, 0x09/*tab*/, 0x20/*space*/, '-', /*0x2d*/
+ '=', '[', ']', '\\', '#', /*0x32*/
+ ';', '\'', 0, ',', '.', /*0x37*/
+ '/'},
+
+ /* CTRL MODIFIER */
+ { 0, 0, 0, 0, 0, 0 /*0x05*/,
+ 0, 0, 0, 0, 0 /*0x0a*/,
+ 0, 0, 0, 0, 0/*0x0f*/,
+ 0, 0, 0, 0, 0/*0x14*/,
+ 0, 0, 0, 0, 0/*0x19*/,
+ 0, 0, 0, 0, 0/*0x1E*/,
+ 0, 0, 0, 0, 0/*0x23*/,
+ 0, 0, 0, 0, 0 /*enter*/, /*0x28*/
+ 0, 0, 0, 0, 0, /*0x2d*/
+ 0, 0, 0, 0, 0, /*0x32*/
+ 0, 0, 0, 0, 0, /*0x37*/
+ 0},
+
+ /* SHIFT MODIFIER */
+ { 0, 0, 0, 0, 'A', 'B' /*0x05*/,
+ 'C', 'D', 'E', 'F', 'G' /*0x0a*/,
+ 'H', 'I', 'J', 'K', 'L'/*0x0f*/,
+ 'M', 'N', 'O', 'P', 'Q'/*0x14*/,
+ 'R', 'S', 'T', 'U', 'V'/*0x19*/,
+ 'W', 'X', 'Y', 'Z', '!'/*0x1E*/,
+ '@', '#', '$', '%', '^'/*0x23*/,
+ '&', '*', '(', ')', 0, /*0x28*/
+ 0, 0, 0, 0, 0, /*0x2d*/
+ '+', '{', '}', '|', '~', /*0x32*/
+ ':', '"', 0, '<', '>', /*0x37*/
+ '?'},
+
+ /* ALT MODIFIER */
+ { 0, 0, 0, 0, 0, 0 /*0x05*/,
+ 0, 0, 0, 0, 0 /*0x0a*/,
+ 0, 0, 0, 0, 0/*0x0f*/,
+ 0, 0, 0, 0, 0/*0x14*/,
+ 0, 0, 0, 0, 0/*0x19*/,
+ 0, 0, 0, 0, 0/*0x1E*/,
+ 0, 0, 0, 0, 0/*0x23*/,
+ 0, 0, 0, 0, 0 /*enter*/, /*0x28*/
+ 0, 0, 0, 0, 0, /*0x2d*/
+ 0, 0, 0, 0, 0, /*0x32*/
+ 0, 0, 0, 0, 0, /*0x37*/
+ 0}
+
+};
+
+
+USBHostKeyboard::USBHostKeyboard() {
+ host = USBHost::getHostInst();
+ init();
+}
+
+
+void USBHostKeyboard::init() {
+ dev = NULL;
+ int_in = NULL;
+ report_id = 0;
+ onKey = NULL;
+ onKeyCode = NULL;
+ dev_connected = false;
+ keyboard_intf = -1;
+ keyboard_device_found = false;
+}
+
+bool USBHostKeyboard::connected() {
+ return dev_connected;
+}
+
+
+bool USBHostKeyboard::connect() {
+
+ U8 i;
+
+ if (dev_connected) {
+ return true;
+ }
+
+ for (i = 0; i < MAX_DEVICE_CONNECTED; i++) {
+ if ((dev = host->getDevice(i)) != NULL) {
+
+ if (host->enumerate(dev, this))
+ break;
+
+ if (keyboard_device_found) {
+ int_in = dev->getEndpoint(keyboard_intf, INTERRUPT_ENDPOINT, IN);
+
+ if (!int_in)
+ break;
+
+ USB_INFO("New Keyboard device: VID:%04x PID:%04x [dev: %p]", dev->getVid(), dev->getPid(), dev);
+ dev->setName("Keyboard");
+ host->registerDriver(dev, keyboard_intf, this, &USBHostKeyboard::init);
+
+ int_in->attach(this, &USBHostKeyboard::rxHandler);
+ host->interruptRead(dev, int_in, report, int_in->getSize(), false);
+
+ dev_connected = true;
+ return true;
+ }
+ }
+ }
+ init();
+ return false;
+}
+
+void USBHostKeyboard::rxHandler() {
+ int len = int_in->getLengthTransferred();
+ int index = (len == 9) ? 1 : 0;
+ int len_listen = int_in->getSize();
+ uint8_t key = 0;
+ if (len == 8 || len == 9) {
+ uint8_t modifier = (report[index] == 4) ? 3 : report[index];
+ len_listen = len;
+ key = keymap[modifier][report[index + 2]];
+ if (key && onKey) {
+ (*onKey)(key);
+ }
+ if (onKeyCode) {
+ (*onKeyCode)(report[index + 2], modifier);
+ }
+ }
+ if (dev != NULL)
+ host->interruptRead(dev, int_in, report, len_listen, false);
+}
+
+/*virtual*/ void USBHostKeyboard::setVidPid(uint16_t vid, uint16_t pid)
+{
+ // we don't check VID/PID for keyboard driver
+}
+
+/*virtual*/ bool USBHostKeyboard::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 ((keyboard_intf == -1) &&
+ (intf_class == HID_CLASS) &&
+ (intf_subclass == 0x01) &&
+ (intf_protocol == 0x01)) {
+ keyboard_intf = intf_nb;
+ return true;
+ }
+ return false;
+}
+
+/*virtual*/ bool USBHostKeyboard::useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir) //Must return true if the endpoint will be used
+{
+ if (intf_nb == keyboard_intf) {
+ if (type == INTERRUPT_ENDPOINT && dir == IN) {
+ keyboard_device_found = true;
+ return true;
+ }
+ }
+ return false;
+}
+
+#endif
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/USBHostHID/USBHostKeyboard.h Wed Mar 06 16:27:14 2013 +0000
@@ -0,0 +1,102 @@
+/* Copyright (c) 2010-2011 mbed.org, MIT License
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+* and associated documentation files (the "Software"), to deal in the Software without
+* restriction, including without limitation the rights to use, copy, modify, merge, publish,
+* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or
+* substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#ifndef USBHOSTKEYBOARD_H
+#define USBHOSTKEYBOARD_H
+
+#include "USBHostConf.h"
+
+#if USBHOST_KEYBOARD
+
+#include "USBHost.h"
+
+class USBHostKeyboard : public IUSBEnumerator {
+public:
+
+ /**
+ * Constructor
+ */
+ USBHostKeyboard();
+
+ /**
+ * Try to connect a keyboard device
+ *
+ * * @return true if connection was successful
+ */
+ bool connect();
+
+ /**
+ * Check if a keyboard is connected
+ *
+ * @returns true if a keyboard is connected
+ */
+ bool connected();
+
+ /**
+ * Attach a callback called when a keyboard event is received
+ *
+ * @param fptr function pointer
+ */
+ inline void attach(void (*ptr)(uint8_t key)) {
+ if (ptr != NULL) {
+ onKey = ptr;
+ }
+ }
+
+ /**
+ * Attach a callback called when a keyboard event is received
+ *
+ * @param fptr function pointer
+ */
+ inline void attach(void (*ptr)(uint8_t keyCode, uint8_t modifier)) {
+ if (ptr != NULL) {
+ onKeyCode = ptr;
+ }
+ }
+
+protected:
+ //From IUSBEnumerator
+ virtual void setVidPid(uint16_t vid, uint16_t pid);
+ virtual bool 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
+ virtual bool useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir); //Must return true if the endpoint will be used
+
+private:
+ USBHost * host;
+ USBDeviceConnected * dev;
+ USBEndpoint * int_in;
+ uint8_t report[9];
+ int keyboard_intf;
+ bool keyboard_device_found;
+
+ bool dev_connected;
+
+ void rxHandler();
+
+ void (*onKey)(uint8_t key);
+ void (*onKeyCode)(uint8_t key, uint8_t modifier);
+
+ int report_id;
+
+ void init();
+
+};
+
+#endif
+
+#endif
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/USBHostHID/USBHostMouse.cpp Wed Mar 06 16:27:14 2013 +0000
@@ -0,0 +1,117 @@
+/* Copyright (c) 2010-2011 mbed.org, MIT License
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+* and associated documentation files (the "Software"), to deal in the Software without
+* restriction, including without limitation the rights to use, copy, modify, merge, publish,
+* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or
+* substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#include "USBHostMouse.h"
+
+#if USBHOST_MOUSE
+
+USBHostMouse::USBHostMouse() {
+ host = USBHost::getHostInst();
+ init();
+}
+
+void USBHostMouse::init() {
+ dev = NULL;
+ int_in = NULL;
+ onUpdate = NULL;
+ report_id = 0;
+ dev_connected = false;
+ mouse_device_found = false;
+ mouse_intf = -1;
+}
+
+bool USBHostMouse::connected() {
+ return dev_connected;
+}
+
+bool USBHostMouse::connect() {
+
+ U8 i;
+
+ if (dev_connected) {
+ return true;
+ }
+
+ for (i = 0; i < MAX_DEVICE_CONNECTED; i++) {
+ if ((dev = host->getDevice(i)) != NULL) {
+
+ if(host->enumerate(dev, this))
+ break;
+
+ if (mouse_device_found) {
+
+ int_in = dev->getEndpoint(mouse_intf, INTERRUPT_ENDPOINT, IN);
+ if (!int_in)
+ break;
+
+ USB_INFO("New Mouse device: VID:%04x PID:%04x [dev: %p]", dev->getVid(), dev->getPid(), dev);
+ dev->setName("Mouse");
+ host->registerDriver(dev, mouse_intf, this, &USBHostMouse::init);
+
+ int_in->attach(this, &USBHostMouse::rxHandler);
+ host->interruptRead(dev, int_in, report, int_in->getSize(), false);
+
+ dev_connected = true;
+ return true;
+ }
+ }
+ }
+ init();
+ return false;
+}
+
+void USBHostMouse::rxHandler() {
+ int len_listen = int_in->getSize();
+ int len = int_in->getLengthTransferred();
+ if (onUpdate) {
+ (*onUpdate)(report[0] & 0x07, report[1], report[2], report[3]);
+ }
+ if (dev != NULL)
+ host->interruptRead(dev, int_in, report, len_listen, false);
+}
+
+/*virtual*/ void USBHostMouse::setVidPid(uint16_t vid, uint16_t pid)
+{
+ // we don't check VID/PID for mouse driver
+}
+
+/*virtual*/ bool USBHostMouse::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 ((mouse_intf == -1) &&
+ (intf_class == HID_CLASS) &&
+ (intf_subclass == 0x01) &&
+ (intf_protocol == 0x02)) {
+ mouse_intf = intf_nb;
+ return true;
+ }
+ return false;
+}
+
+/*virtual*/ bool USBHostMouse::useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir) //Must return true if the endpoint will be used
+{
+ if (intf_nb == mouse_intf) {
+ if (type == INTERRUPT_ENDPOINT && dir == IN) {
+ mouse_device_found = true;
+ return true;
+ }
+ }
+ return false;
+}
+
+#endif
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/USBHostHID/USBHostMouse.h Wed Mar 06 16:27:14 2013 +0000
@@ -0,0 +1,86 @@
+/* Copyright (c) 2010-2011 mbed.org, MIT License
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+* and associated documentation files (the "Software"), to deal in the Software without
+* restriction, including without limitation the rights to use, copy, modify, merge, publish,
+* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or
+* substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#ifndef USBHOSTMOUSE_H
+#define USBHOSTMOUSE_H
+
+#include "USBHostConf.h"
+
+#if USBHOST_MOUSE
+
+#include "USBHost.h"
+
+class USBHostMouse : public IUSBEnumerator {
+public:
+
+ /**
+ * Constructor
+ */
+ USBHostMouse();
+
+ /**
+ * Try to connect a mouse device
+ *
+ * * @return true if connection was successful
+ */
+ bool connect();
+
+ /**
+ * Check if a mouse is connected
+ *
+ * @returns true if a mouse is connected
+ */
+ bool connected();
+
+ /**
+ * Attach a callback called when a mouse event is received
+ *
+ * @param fptr function pointer
+ */
+ inline void attach(void (*ptr)(uint8_t buttons, int8_t x, int8_t y, int8_t z)) {
+ if (ptr != NULL) {
+ onUpdate = ptr;
+ }
+ }
+
+protected:
+ //From IUSBEnumerator
+ virtual void setVidPid(uint16_t vid, uint16_t pid);
+ virtual bool 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
+ virtual bool useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir); //Must return true if the endpoint will be used
+
+private:
+ USBHost * host;
+ USBDeviceConnected * dev;
+ USBEndpoint * int_in;
+ uint8_t report[4];
+
+ bool dev_connected;
+ bool mouse_device_found;
+ int mouse_intf;
+
+ void rxHandler();
+ void (*onUpdate)(uint8_t buttons, int8_t x, int8_t y, int8_t z);
+ int report_id;
+ void init();
+};
+
+#endif
+
+#endif
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/USBHostHub/USBHostHub.cpp Wed Mar 06 16:27:14 2013 +0000
@@ -0,0 +1,275 @@
+/* Copyright (c) 2010-2012 mbed.org, MIT License
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+* and associated documentation files (the "Software"), to deal in the Software without
+* restriction, including without limitation the rights to use, copy, modify, merge, publish,
+* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or
+* substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#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]", dev->getVid(), dev->getPid(), dev);
+ dev->setName("Hub");
+ 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, NULL);
+ }
+
+ 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, NULL);
+ }
+ }
+ }
+ 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);
+ 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, NULL);
+ 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
+
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/USBHostHub/USBHostHub.h Wed Mar 06 16:27:14 2013 +0000
@@ -0,0 +1,128 @@
+/* Copyright (c) 2010-2012 mbed.org, MIT License
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+* and associated documentation files (the "Software"), to deal in the Software without
+* restriction, including without limitation the rights to use, copy, modify, merge, publish,
+* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or
+* substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#ifndef USBHOSTHUB_H
+#define USBHOSTHUB_H
+
+#include "USBHostConf.h"
+
+#if MAX_HUB_NB
+
+#include "USBHostTypes.h"
+#include "IUSBEnumerator.h"
+
+class USBHost;
+class USBDeviceConnected;
+class USBEndpoint;
+
+/**
+ * A class to use a USB Hub
+ */
+class USBHostHub : public IUSBEnumerator {
+public:
+ /**
+ * Constructor
+ */
+ USBHostHub();
+
+ /**
+ * Check if a USB Hub is connected
+ *
+ * @return true if a serial device is connected
+ */
+ bool connected();
+
+ /**
+ * Try to connect device
+ *
+ * @param dev device to connect
+ * @return true if connection was successful
+ */
+ bool connect(USBDeviceConnected * dev);
+
+ /**
+ * Automatically called by USBHost when a device
+ * has been enumerated by usb_thread
+ *
+ * @param dev device connected
+ */
+ void deviceConnected(USBDeviceConnected * dev);
+
+ /**
+ * Automatically called by USBHost when a device
+ * has been disconnected from this hub
+ *
+ * @param dev device connected
+ */
+ void deviceDisconnected(USBDeviceConnected * dev);
+
+ /**
+ * Rest a specific port
+ *
+ * @param port port number
+ */
+ void portReset(uint8_t port);
+
+ /*
+ * Called by USBHost to set the instance of USBHost
+ *
+ * @param host host instance
+ */
+ void setHost(USBHost * host);
+
+ /**
+ * Called by USBhost when a hub has been disconnected
+ */
+ void hubDisconnected();
+
+protected:
+ //From IUSBEnumerator
+ virtual void setVidPid(uint16_t vid, uint16_t pid);
+ virtual bool 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
+ virtual bool useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir); //Must return true if the endpoint will be used
+
+private:
+ USBHost * host;
+ USBDeviceConnected * dev;
+ bool dev_connected;
+ USBEndpoint * int_in;
+ uint8_t nb_port;
+ uint8_t hub_characteristics;
+
+ void rxHandler();
+
+ uint8_t buf[sizeof(HubDescriptor)];
+
+ int hub_intf;
+ bool hub_device_found;
+
+ void setPortFeature(uint32_t feature, uint8_t port);
+ void clearPortFeature(uint32_t feature, uint8_t port);
+ uint32_t getPortStatus(uint8_t port);
+
+ USBDeviceConnected * device_children[MAX_HUB_PORT];
+
+ void init();
+ void disconnect();
+
+};
+
+#endif
+
+#endif
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/USBHostMSD/USBHostMSD.cpp Wed Mar 06 16:27:14 2013 +0000
@@ -0,0 +1,311 @@
+/* Copyright (c) 2010-2012 mbed.org, MIT License
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+* and associated documentation files (the "Software"), to deal in the Software without
+* restriction, including without limitation the rights to use, copy, modify, merge, publish,
+* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or
+* substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#include "USBHostMSD.h"
+
+#if USBHOST_MSD
+
+#include "dbg.h"
+
+#define CBW_SIGNATURE 0x43425355
+#define CSW_SIGNATURE 0x53425355
+
+#define DEVICE_TO_HOST 0x80
+#define HOST_TO_DEVICE 0x00
+
+#define GET_MAX_LUN (0xFE)
+
+USBHostMSD::USBHostMSD(const char * rootdir) : FATFileSystem(rootdir)
+{
+ host = USBHost::getHostInst();
+ init();
+}
+
+void USBHostMSD::init() {
+ dev_connected = false;
+ dev = NULL;
+ bulk_in = NULL;
+ bulk_out = NULL;
+ dev_connected = false;
+ blockSize = 0;
+ blockCount = 0;
+ msd_intf = -1;
+ msd_device_found = false;
+ disk_init = false;
+ dev_connected = false;
+}
+
+
+bool USBHostMSD::connected()
+{
+ return dev_connected;
+}
+
+bool USBHostMSD::connect()
+{
+ U8 i;
+
+ if (dev_connected) {
+ return true;
+ }
+
+ for (i = 0; i < MAX_DEVICE_CONNECTED; i++) {
+ if ((dev = host->getDevice(i)) != NULL) {
+
+ if(host->enumerate(dev, this))
+ break;
+
+ if (msd_device_found) {
+ bulk_in = dev->getEndpoint(msd_intf, BULK_ENDPOINT, IN);
+ bulk_out = dev->getEndpoint(msd_intf, BULK_ENDPOINT, OUT);
+
+ if (!bulk_in || !bulk_out)
+ break;
+
+ USB_INFO("New MSD device: VID:%04x PID:%04x [dev: %p]", dev->getVid(), dev->getPid(), dev);
+ dev->setName("MSD");
+ host->registerDriver(dev, msd_intf, this, &USBHostMSD::init);
+
+ dev_connected = true;
+ return true;
+ }
+ } //if()
+ } //for()
+ return false;
+}
+
+/*virtual*/ void USBHostMSD::setVidPid(uint16_t vid, uint16_t pid)
+{
+ // we don't check VID/PID for MSD driver
+}
+
+/*virtual*/ bool USBHostMSD::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 ((msd_intf == -1) &&
+ (intf_class == MSD_CLASS) &&
+ (intf_subclass == 0x06) &&
+ (intf_protocol == 0x50)) {
+ msd_intf = intf_nb;
+ return true;
+ }
+ return false;
+}
+
+/*virtual*/ bool USBHostMSD::useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir) //Must return true if the endpoint will be used
+{
+ if (intf_nb == msd_intf) {
+ if (type == BULK_ENDPOINT) {
+ msd_device_found = true;
+ return true;
+ }
+ }
+ return false;
+}
+
+
+int USBHostMSD::testUnitReady() {
+ return SCSITransfer(NULL, 6, DEVICE_TO_HOST, 0, 0);
+}
+
+int USBHostMSD::readCapacity() {
+ uint8_t cmd[10] = {0x25,0,0,0,0,0,0,0,0,0};
+ uint8_t result[8];
+ int status = SCSITransfer(cmd, 10, DEVICE_TO_HOST, result, 8);
+ if (status == 0) {
+ blockCount = (result[0] << 24) | (result[1] << 16) | (result[2] << 8) | result[3];
+ blockSize = (result[4] << 24) | (result[5] << 16) | (result[6] << 8) | result[7];
+ USB_INFO("MSD [dev: %p] - blockCount: %lld, blockSize: %d\r\n", dev, blockCount, blockSize);
+ }
+ return status;
+}
+
+
+int USBHostMSD::SCSIRequestSense() {
+ uint8_t cmd[5] = {0x03,0,0,0,0x13};
+ uint8_t result[19];
+ int status = SCSITransfer(cmd, 5, DEVICE_TO_HOST, result, 19);
+ return status;
+}
+
+
+int USBHostMSD::inquiry(uint8_t lun, uint8_t page_code) {
+ uint8_t evpd = (page_code == 0) ? 0 : 1;
+ uint8_t cmd[6] = {0x12, (lun << 5) | evpd, page_code, 0, 36, 0};
+ uint8_t result[36];
+ int status = SCSITransfer(cmd, 6, DEVICE_TO_HOST, result, 36);
+ if (status == 0) {
+ char vid_pid[9];
+ memcpy(vid_pid, &result[8], 8);
+ vid_pid[8] = 0;
+ USB_INFO("MSD [dev: %p] - Vendor ID: %s", dev, vid_pid);
+
+ memcpy(vid_pid, &result[16], 8);
+ USB_INFO("MSD [dev: %p] - Produc ID: %s", dev, vid_pid);
+
+ memcpy(vid_pid, &result[32], 4);
+ vid_pid[4] = 0;
+ USB_INFO("MSD [dev: %p] - Product rev: %s", dev, vid_pid);
+ }
+ return status;
+}
+
+int USBHostMSD::checkResult(uint8_t res, USBEndpoint * ep) {
+ // if ep stalled: send clear feature
+ if (res == USB_TYPE_STALL_ERROR) {
+ res = host->controlWrite( dev,
+ USB_RECIPIENT_ENDPOINT | USB_HOST_TO_DEVICE | USB_REQUEST_TYPE_STANDARD,
+ CLEAR_FEATURE,
+ 0,
+ ep->getAddress(),
+ NULL,
+ 0);
+ // set state to IDLE if clear feature successful
+ if (res == USB_TYPE_OK) {
+ ep->setState(USB_TYPE_IDLE);
+ }
+ }
+
+ if (res != USB_TYPE_OK)
+ return -1;
+
+ return 0;
+}
+
+
+int USBHostMSD::SCSITransfer(uint8_t * cmd, uint8_t cmd_len, int flags, uint8_t * data, uint32_t transfer_len) {
+
+ int res = 0;
+
+ cbw.Signature = CBW_SIGNATURE;
+ cbw.Tag = 0;
+ cbw.DataLength = transfer_len;
+ cbw.Flags = flags;
+ cbw.LUN = 0;
+ cbw.CBLength = cmd_len;
+ memset(cbw.CB,0,sizeof(cbw.CB));
+ if (cmd) {
+ memcpy(cbw.CB,cmd,cmd_len);
+ }
+
+ // send the cbw
+ res = host->bulkWrite(dev, bulk_out,(uint8_t *)&cbw, 31);
+ if (checkResult(res, bulk_out))
+ return -1;
+
+ // data stage if needed
+ if (data) {
+ if (flags == HOST_TO_DEVICE) {
+
+ res = host->bulkWrite(dev, bulk_out, data, transfer_len);
+ if (checkResult(res, bulk_out))
+ return -1;
+
+ } else if (flags == DEVICE_TO_HOST) {
+
+ res = host->bulkRead(dev, bulk_in, data, transfer_len);
+ if (checkResult(res, bulk_in))
+ return -1;
+ }
+ }
+
+ // status stage
+ csw.Signature = 0;
+ res = host->bulkRead(dev, bulk_in,(uint8_t *)&csw, 13);
+ if (checkResult(res, bulk_in))
+ return -1;
+
+ if (csw.Signature != CSW_SIGNATURE) {
+ return -1;
+ }
+
+ // ModeSense?
+ if ((csw.Status == 1) && (cmd[0] != 0x03))
+ return SCSIRequestSense();
+
+ USB_DBG("recv csw: status: %d", csw.Status);
+ return csw.Status;
+}
+
+
+int USBHostMSD::dataTransfer(uint8_t * buf, uint32_t block, uint8_t nbBlock, int direction) {
+ uint8_t cmd[10];
+ memset(cmd,0,10);
+ cmd[0] = (direction == DEVICE_TO_HOST) ? 0x28 : 0x2A;
+
+ cmd[2] = (block >> 24) & 0xff;
+ cmd[3] = (block >> 16) & 0xff;
+ cmd[4] = (block >> 8) & 0xff;
+ cmd[5] = block & 0xff;
+
+ cmd[7] = (nbBlock >> 8) & 0xff;
+ cmd[8] = nbBlock & 0xff;
+
+ return SCSITransfer(cmd, 10, direction, buf, blockSize*nbBlock);
+}
+
+
+int USBHostMSD::disk_initialize() {
+ USB_DBG("FILESYSTEM: init");
+ U8 i, timeout = 10;
+
+ for (i = 0; i < timeout; i++) {
+ if (!testUnitReady())
+ break;
+ }
+
+ if (i == timeout) {
+ disk_init = false;
+ return -1;
+ }
+ inquiry(0, 0);
+ disk_init = 1;
+ return readCapacity();
+}
+
+int USBHostMSD::disk_write(const uint8_t *buffer, uint64_t block_number) {
+ USB_DBG("FILESYSTEM: write block: %lld", block_number);
+ if (!disk_init) {
+ disk_initialize();
+ }
+ if (!disk_init)
+ return -1;
+ return dataTransfer((uint8_t *)buffer, block_number, 1, HOST_TO_DEVICE);
+}
+
+int USBHostMSD::disk_read(uint8_t * buffer, uint64_t block_number) {
+ USB_DBG("FILESYSTEM: read block %lld", block_number);
+ if (!disk_init) {
+ disk_initialize();
+ }
+ if (!disk_init)
+ return -1;
+ return dataTransfer((uint8_t *)buffer, block_number, 1, DEVICE_TO_HOST);
+}
+
+uint64_t USBHostMSD::disk_sectors() {
+ USB_DBG("FILESYSTEM: sectors");
+ if (!disk_init) {
+ disk_initialize();
+ }
+ if (!disk_init)
+ return 0;
+ return blockCount;
+}
+
+#endif
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/USBHostMSD/USBHostMSD.h Wed Mar 06 16:27:14 2013 +0000
@@ -0,0 +1,121 @@
+/* Copyright (c) 2010-2012 mbed.org, MIT License
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+* and associated documentation files (the "Software"), to deal in the Software without
+* restriction, including without limitation the rights to use, copy, modify, merge, publish,
+* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or
+* substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#ifndef USBHOSTMSD_H
+#define USBHOSTMSD_H
+
+#include "USBHostConf.h"
+
+#if USBHOST_MSD
+
+#include "USBHost.h"
+#include "FATFileSystem.h"
+
+/**
+ * A class to use a USB stick
+ */
+
+class USBHostMSD : public IUSBEnumerator, public FATFileSystem {
+public:
+ /**
+ * Constructor
+ *
+ * @param rootdir mount name
+ */
+ USBHostMSD(const char * rootdir);
+
+ /**
+ * Check if a MSD device is connected
+ *
+ * @return true if a MSD device is connected
+ */
+ bool connected();
+
+ /*
+ * Try to connect to a MSD device
+ *
+ * * @return true if connection was successful
+ */
+ bool connect();
+
+protected:
+ //From IUSBEnumerator
+ virtual void setVidPid(uint16_t vid, uint16_t pid);
+ virtual bool 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
+ virtual bool useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir); //Must return true if the endpoint will be used
+
+ // From FATFileSystem
+ virtual int disk_initialize();
+ virtual int disk_status() {return 0;};
+ virtual int disk_read(uint8_t * buffer, uint64_t sector);
+ virtual int disk_write(const uint8_t * buffer, uint64_t sector);
+ virtual int disk_sync() {return 0;};
+ virtual uint64_t disk_sectors();
+
+private:
+ USBHost * host;
+ USBDeviceConnected * dev;
+ bool dev_connected;
+ USBEndpoint * bulk_in;
+ USBEndpoint * bulk_out;
+
+ // Bulk-only CBW
+ typedef __packed struct {
+ uint32_t Signature;
+ uint32_t Tag;
+ uint32_t DataLength;
+ uint8_t Flags;
+ uint8_t LUN;
+ uint8_t CBLength;
+ uint8_t CB[16];
+ } CBW;
+
+ // Bulk-only CSW
+ typedef __packed struct {
+ uint32_t Signature;
+ uint32_t Tag;
+ uint32_t DataResidue;
+ uint8_t Status;
+ } CSW;
+
+ CBW cbw;
+ CSW csw;
+
+ int SCSITransfer(uint8_t * cmd, uint8_t cmd_len, int flags, uint8_t * data, uint32_t transfer_len);
+ int testUnitReady();
+ int readCapacity();
+ int inquiry(uint8_t lun, uint8_t page_code);
+ int SCSIRequestSense();
+ int dataTransfer(uint8_t * buf, uint32_t block, uint8_t nbBlock, int direction);
+ int checkResult(uint8_t res, USBEndpoint * ep);
+
+ int blockSize;
+ uint64_t blockCount;
+
+ int msd_intf;
+ bool msd_device_found;
+ bool disk_init;
+
+ void init();
+
+};
+
+#endif
+
+#endif
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/USBHostSerial/MtxCircBuffer.h Wed Mar 06 16:27:14 2013 +0000
@@ -0,0 +1,88 @@
+/* Copyright (c) 2010-2011 mbed.org, MIT License
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+* and associated documentation files (the "Software"), to deal in the Software without
+* restriction, including without limitation the rights to use, copy, modify, merge, publish,
+* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or
+* substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#ifndef MTXCIRCBUFFER_H
+#define MTXCIRCBUFFER_H
+
+#include "stdint.h"
+#include "rtos.h"
+
+//Mutex protected circular buffer
+template<typename T, int size>
+class MtxCircBuffer {
+public:
+
+ MtxCircBuffer() {
+ write = 0;
+ read = 0;
+ }
+
+ bool isFull() {
+ mtx.lock();
+ bool r = (((write + 1) % size) == read);
+ mtx.unlock();
+ return r;
+ }
+
+ bool isEmpty() {
+ mtx.lock();
+ bool r = (read == write);
+ mtx.unlock();
+ return r;
+ }
+
+ void queue(T k) {
+ mtx.lock();
+ while (((write + 1) % size) == read) {
+ mtx.unlock();
+ Thread::wait(10);
+ mtx.lock();
+ }
+ buf[write++] = k;
+ write %= size;
+ mtx.unlock();
+ }
+
+ uint16_t available() {
+ mtx.lock();
+ uint16_t a = (write >= read) ? (write - read) : (size - read + write);
+ mtx.unlock();
+ return a;
+ }
+
+ bool dequeue(T * c) {
+ mtx.lock();
+ bool empty = (read == write);
+ if (!empty) {
+ *c = buf[read++];
+ read %= size;
+ }
+ mtx.unlock();
+ return (!empty);
+ }
+
+private:
+ volatile uint16_t write;
+ volatile uint16_t read;
+ volatile T buf[size];
+ Mutex mtx;
+};
+
+#endif
+
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/USBHostSerial/USBHostSerial.cpp Wed Mar 06 16:27:14 2013 +0000
@@ -0,0 +1,160 @@
+/* Copyright (c) 2010-2011 mbed.org, MIT License
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+* and associated documentation files (the "Software"), to deal in the Software without
+* restriction, including without limitation the rights to use, copy, modify, merge, publish,
+* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or
+* substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#include "USBHostSerial.h"
+
+#if USBHOST_SERIAL
+
+#include "dbg.h"
+
+USBHostSerial::USBHostSerial(): circ_buf() {
+ host = USBHost::getHostInst();
+ size_bulk_in = 0;
+ size_bulk_out = 0;
+ init();
+}
+
+void USBHostSerial::init() {
+ dev = NULL;
+ bulk_in = NULL;
+ bulk_out = NULL;
+ dev_connected = false;
+ serial_intf = -1;
+ serial_device_found = false;
+}
+
+bool USBHostSerial::connected()
+{
+ return dev_connected;
+}
+
+bool USBHostSerial::connect() {
+
+ if (dev_connected) {
+ return true;
+ }
+ for (int i = 0; i < MAX_DEVICE_CONNECTED; i++) {
+ if ((dev = host->getDevice(i)) != NULL) {
+
+ if(host->enumerate(dev, this))
+ break;
+
+ if (serial_device_found) {
+ bulk_in = dev->getEndpoint(serial_intf, BULK_ENDPOINT, IN);
+ bulk_out = dev->getEndpoint(serial_intf, BULK_ENDPOINT, OUT);
+
+ if (!bulk_in || !bulk_out)
+ break;
+
+ USB_INFO("New Serial device: VID:%04x PID:%04x [dev: %p]", dev->getVid(), dev->getPid(), dev);
+ dev->setName("Serial");
+ host->registerDriver(dev, serial_intf, this, &USBHostSerial::init);
+
+ size_bulk_in = bulk_in->getSize();
+ size_bulk_out = bulk_out->getSize();
+
+ bulk_in->attach(this, &USBHostSerial::rxHandler);
+ bulk_out->attach(this, &USBHostSerial::txHandler);
+
+ host->bulkRead(dev, bulk_in, buf, size_bulk_in, false);
+ dev_connected = true;
+ return true;
+ }
+ }
+ }
+ init();
+ return false;
+}
+
+void USBHostSerial::rxHandler() {
+ if (bulk_in) {
+ int len = bulk_in->getLengthTransferred();
+ if (bulk_in->getState() == USB_TYPE_IDLE) {
+ for (int i = 0; i < len; i++) {
+ circ_buf.queue(buf[i]);
+ }
+ rx.call();
+ }
+ host->bulkRead(dev, bulk_in, buf, size_bulk_in, false);
+ }
+}
+
+void USBHostSerial::txHandler() {
+ if (bulk_out) {
+ if (bulk_out->getState() == USB_TYPE_IDLE) {
+ tx.call();
+ }
+ }
+}
+
+int USBHostSerial::_putc(int c) {
+ if (bulk_out) {
+ if (host->bulkWrite(dev, bulk_out, (uint8_t *)&c, 1) == USB_TYPE_OK) {
+ return 1;
+ }
+ }
+ return -1;
+}
+
+
+int USBHostSerial::_getc() {
+ uint8_t c = 0;
+ while ((bulk_in != NULL) && (circ_buf.isEmpty()));
+ if (bulk_in == NULL) {
+ return -1;
+ }
+ circ_buf.dequeue(&c);
+ return c;
+}
+
+
+uint8_t USBHostSerial::available() {
+ return circ_buf.available();
+}
+
+/*virtual*/ void USBHostSerial::setVidPid(uint16_t vid, uint16_t pid)
+{
+ // we don't check VID/PID for MSD driver
+}
+
+/*virtual*/ bool USBHostSerial::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 ((serial_intf == -1) &&
+ (intf_class == SERIAL_CLASS) &&
+ (intf_subclass == 0x00) &&
+ (intf_protocol == 0x00)) {
+ serial_intf = intf_nb;
+ return true;
+ }
+ return false;
+}
+
+/*virtual*/ bool USBHostSerial::useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir) //Must return true if the endpoint will be used
+{
+ if (intf_nb == serial_intf) {
+ if (type == BULK_ENDPOINT) {
+ serial_device_found = true;
+ return true;
+ }
+ }
+ return false;
+}
+
+#endif
+
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/USBHostSerial/USBHostSerial.h Wed Mar 06 16:27:14 2013 +0000
@@ -0,0 +1,134 @@
+/* Copyright (c) 2010-2011 mbed.org, MIT License
+*
+* Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+* and associated documentation files (the "Software"), to deal in the Software without
+* restriction, including without limitation the rights to use, copy, modify, merge, publish,
+* distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included in all copies or
+* substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+* BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/
+
+#ifndef USBHOSTSERIAL_H
+#define USBHOSTSERIAL_H
+
+#include "USBHostConf.h"
+
+#if USBHOST_SERIAL
+
+#include "USBHost.h"
+#include "Stream.h"
+#include "MtxCircBuffer.h"
+
+class USBHostSerial : public IUSBEnumerator, public Stream {
+public:
+ /**
+ * Constructor
+ */
+ USBHostSerial();
+
+ enum IrqType {
+ RxIrq,
+ TxIrq
+ };
+
+ /**
+ * Check if a virtual serial port is connected
+ *
+ * @returns true if a serial device is connected
+ */
+ bool connected();
+
+ /**
+ * Try to connect a serial device
+ *
+ * * @return true if connection was successful
+ */
+ bool connect();
+
+ /**
+ * Check the number of bytes available.
+ *
+ * @returns the number of bytes available
+ */
+ uint8_t available();
+
+ /**
+ * Attach a member function to call when a packet is received.
+ *
+ * @param tptr pointer to the object to call the member function on
+ * @param mptr pointer to the member function to be called
+ */
+ template<typename T>
+ inline void attach(T* tptr, void (T::*mptr)(void), IrqType irq = RxIrq) {
+ if ((mptr != NULL) && (tptr != NULL)) {
+ if (irq == RxIrq) {
+ rx.attach(tptr, mptr);
+ } else {
+ tx.attach(tptr, mptr);
+ }
+ }
+ }
+
+ /**
+ * Attach a callback called when a packet is received
+ *
+ * @param fptr function pointer
+ */
+ inline void attach(void (*fn)(void), IrqType irq = RxIrq) {
+ if (fn != NULL) {
+ if (irq == RxIrq) {
+ rx.attach(fn);
+ } else {
+ tx.attach(fn);
+ }
+ }
+ }
+
+
+protected:
+ //From IUSBEnumerator
+ virtual void setVidPid(uint16_t vid, uint16_t pid);
+ virtual bool 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
+ virtual bool useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir); //Must return true if the endpoint will be used
+
+ virtual int _getc();
+ virtual int _putc(int c);
+
+private:
+ USBHost * host;
+ USBDeviceConnected * dev;
+ USBEndpoint * bulk_in;
+ USBEndpoint * bulk_out;
+ uint32_t size_bulk_in;
+ uint32_t size_bulk_out;
+
+ bool dev_connected;
+
+ void init();
+
+ MtxCircBuffer<uint8_t, 64> circ_buf;
+
+ uint8_t buf[64];
+
+ void rxHandler();
+ void txHandler();
+ FunctionPointer rx;
+ FunctionPointer tx;
+
+ int serial_intf;
+ bool serial_device_found;
+
+};
+
+#endif
+
+#endif
+
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-rtos.lib Wed Mar 06 16:27:14 2013 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed-rtos/#53e6cccd8782