mirror of
https://github.com/qmk/qmk_firmware.git
synced 2024-11-25 04:43:02 +00:00
425 lines
13 KiB
C++
425 lines
13 KiB
C++
/* Copyright (C) 2011 Circuits At Home, LTD. All rights reserved.
|
|
|
|
This software may be distributed and modified under the terms of the GNU
|
|
General Public License version 2 (GPL2) as published by the Free Software
|
|
Foundation and appearing in the file GPL2.TXT included in the packaging of
|
|
this file. Please note that GPL2 Section 2[b] requires that all works based
|
|
on this software must also be made publicly available under the terms of
|
|
the GPL2 ("Copyleft").
|
|
|
|
Contact information
|
|
-------------------
|
|
|
|
Circuits At Home, LTD
|
|
Web : http://www.circuitsathome.com
|
|
e-mail : support@circuitsathome.com
|
|
*/
|
|
|
|
#include "hiduniversal.h"
|
|
|
|
HIDUniversal::HIDUniversal(USB *p) :
|
|
HID(p),
|
|
qNextPollTime(0),
|
|
pollInterval(0),
|
|
bPollEnable(false),
|
|
bHasReportId(false) {
|
|
Initialize();
|
|
|
|
if(pUsb)
|
|
pUsb->RegisterDeviceClass(this);
|
|
}
|
|
|
|
uint16_t HIDUniversal::GetHidClassDescrLen(uint8_t type, uint8_t num) {
|
|
for(uint8_t i = 0, n = 0; i < HID_MAX_HID_CLASS_DESCRIPTORS; i++) {
|
|
if(descrInfo[i].bDescrType == type) {
|
|
if(n == num)
|
|
return descrInfo[i].wDescriptorLength;
|
|
n++;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
void HIDUniversal::Initialize() {
|
|
for(uint8_t i = 0; i < MAX_REPORT_PARSERS; i++) {
|
|
rptParsers[i].rptId = 0;
|
|
rptParsers[i].rptParser = NULL;
|
|
}
|
|
for(uint8_t i = 0; i < HID_MAX_HID_CLASS_DESCRIPTORS; i++) {
|
|
descrInfo[i].bDescrType = 0;
|
|
descrInfo[i].wDescriptorLength = 0;
|
|
}
|
|
for(uint8_t i = 0; i < maxHidInterfaces; i++) {
|
|
hidInterfaces[i].bmInterface = 0;
|
|
hidInterfaces[i].bmProtocol = 0;
|
|
|
|
for(uint8_t j = 0; j < maxEpPerInterface; j++)
|
|
hidInterfaces[i].epIndex[j] = 0;
|
|
}
|
|
for(uint8_t i = 0; i < totalEndpoints; i++) {
|
|
epInfo[i].epAddr = 0;
|
|
epInfo[i].maxPktSize = (i) ? 0 : 8;
|
|
epInfo[i].epAttribs = 0;
|
|
epInfo[i].bmNakPower = (i) ? USB_NAK_NOWAIT : USB_NAK_MAX_POWER;
|
|
}
|
|
bNumEP = 1;
|
|
bNumIface = 0;
|
|
bConfNum = 0;
|
|
pollInterval = 0;
|
|
|
|
ZeroMemory(constBuffLen, prevBuf);
|
|
}
|
|
|
|
bool HIDUniversal::SetReportParser(uint8_t id, HIDReportParser *prs) {
|
|
for(uint8_t i = 0; i < MAX_REPORT_PARSERS; i++) {
|
|
if(rptParsers[i].rptId == 0 && rptParsers[i].rptParser == NULL) {
|
|
rptParsers[i].rptId = id;
|
|
rptParsers[i].rptParser = prs;
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
HIDReportParser* HIDUniversal::GetReportParser(uint8_t id) {
|
|
if(!bHasReportId)
|
|
return ((rptParsers[0].rptParser) ? rptParsers[0].rptParser : NULL);
|
|
|
|
for(uint8_t i = 0; i < MAX_REPORT_PARSERS; i++) {
|
|
if(rptParsers[i].rptId == id)
|
|
return rptParsers[i].rptParser;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
uint8_t HIDUniversal::Init(uint8_t parent, uint8_t port, bool lowspeed) {
|
|
const uint8_t constBufSize = sizeof (USB_DEVICE_DESCRIPTOR);
|
|
|
|
uint8_t buf[constBufSize];
|
|
USB_DEVICE_DESCRIPTOR * udd = reinterpret_cast<USB_DEVICE_DESCRIPTOR*>(buf);
|
|
uint8_t rcode;
|
|
UsbDevice *p = NULL;
|
|
EpInfo *oldep_ptr = NULL;
|
|
uint8_t len = 0;
|
|
|
|
uint8_t num_of_conf; // number of configurations
|
|
//uint8_t num_of_intf; // number of interfaces
|
|
|
|
AddressPool &addrPool = pUsb->GetAddressPool();
|
|
|
|
USBTRACE("HU Init\r\n");
|
|
|
|
if(bAddress)
|
|
return USB_ERROR_CLASS_INSTANCE_ALREADY_IN_USE;
|
|
|
|
// Get pointer to pseudo device with address 0 assigned
|
|
p = addrPool.GetUsbDevicePtr(0);
|
|
|
|
if(!p)
|
|
return USB_ERROR_ADDRESS_NOT_FOUND_IN_POOL;
|
|
|
|
if(!p->epinfo) {
|
|
USBTRACE("epinfo\r\n");
|
|
return USB_ERROR_EPINFO_IS_NULL;
|
|
}
|
|
|
|
// Save old pointer to EP_RECORD of address 0
|
|
oldep_ptr = p->epinfo;
|
|
|
|
// Temporary assign new pointer to epInfo to p->epinfo in order to avoid toggle inconsistence
|
|
p->epinfo = epInfo;
|
|
|
|
p->lowspeed = lowspeed;
|
|
|
|
// Get device descriptor
|
|
rcode = pUsb->getDevDescr(0, 0, 8, (uint8_t*)buf);
|
|
|
|
if(!rcode)
|
|
len = (buf[0] > constBufSize) ? constBufSize : buf[0];
|
|
|
|
if(rcode) {
|
|
// Restore p->epinfo
|
|
p->epinfo = oldep_ptr;
|
|
|
|
goto FailGetDevDescr;
|
|
}
|
|
|
|
// Restore p->epinfo
|
|
p->epinfo = oldep_ptr;
|
|
|
|
// Allocate new address according to device class
|
|
bAddress = addrPool.AllocAddress(parent, false, port);
|
|
|
|
if(!bAddress)
|
|
return USB_ERROR_OUT_OF_ADDRESS_SPACE_IN_POOL;
|
|
|
|
// Extract Max Packet Size from the device descriptor
|
|
epInfo[0].maxPktSize = udd->bMaxPacketSize0;
|
|
|
|
// Assign new address to the device
|
|
rcode = pUsb->setAddr(0, 0, bAddress);
|
|
|
|
if(rcode) {
|
|
p->lowspeed = false;
|
|
addrPool.FreeAddress(bAddress);
|
|
bAddress = 0;
|
|
USBTRACE2("setAddr:", rcode);
|
|
return rcode;
|
|
}
|
|
|
|
//delay(2); //per USB 2.0 sect.9.2.6.3
|
|
|
|
USBTRACE2("Addr:", bAddress);
|
|
|
|
p->lowspeed = false;
|
|
|
|
p = addrPool.GetUsbDevicePtr(bAddress);
|
|
|
|
if(!p)
|
|
return USB_ERROR_ADDRESS_NOT_FOUND_IN_POOL;
|
|
|
|
p->lowspeed = lowspeed;
|
|
|
|
if(len)
|
|
rcode = pUsb->getDevDescr(bAddress, 0, len, (uint8_t*)buf);
|
|
|
|
if(rcode)
|
|
goto FailGetDevDescr;
|
|
|
|
VID = udd->idVendor; // Can be used by classes that inherits this class to check the VID and PID of the connected device
|
|
PID = udd->idProduct;
|
|
|
|
num_of_conf = udd->bNumConfigurations;
|
|
|
|
// Assign epInfo to epinfo pointer
|
|
rcode = pUsb->setEpInfoEntry(bAddress, 1, epInfo);
|
|
|
|
if(rcode)
|
|
goto FailSetDevTblEntry;
|
|
|
|
USBTRACE2("NC:", num_of_conf);
|
|
|
|
for(uint8_t i = 0; i < num_of_conf; i++) {
|
|
//HexDumper<USBReadParser, uint16_t, uint16_t> HexDump;
|
|
ConfigDescParser<USB_CLASS_HID, 0, 0,
|
|
CP_MASK_COMPARE_CLASS> confDescrParser(this);
|
|
|
|
//rcode = pUsb->getConfDescr(bAddress, 0, i, &HexDump);
|
|
rcode = pUsb->getConfDescr(bAddress, 0, i, &confDescrParser);
|
|
|
|
if(rcode)
|
|
goto FailGetConfDescr;
|
|
|
|
if(bNumEP > 1)
|
|
break;
|
|
} // for
|
|
|
|
if(bNumEP < 2)
|
|
return USB_DEV_CONFIG_ERROR_DEVICE_NOT_SUPPORTED;
|
|
|
|
// Assign epInfo to epinfo pointer
|
|
rcode = pUsb->setEpInfoEntry(bAddress, bNumEP, epInfo);
|
|
|
|
USBTRACE2("Cnf:", bConfNum);
|
|
|
|
// Set Configuration Value
|
|
rcode = pUsb->setConf(bAddress, 0, bConfNum);
|
|
|
|
if(rcode)
|
|
goto FailSetConfDescr;
|
|
|
|
for(uint8_t i = 0; i < bNumIface; i++) {
|
|
if(hidInterfaces[i].epIndex[epInterruptInIndex] == 0)
|
|
continue;
|
|
|
|
rcode = SetIdle(hidInterfaces[i].bmInterface, 0, 0);
|
|
|
|
if(rcode && rcode != hrSTALL)
|
|
goto FailSetIdle;
|
|
}
|
|
|
|
USBTRACE("HU configured\r\n");
|
|
|
|
OnInitSuccessful();
|
|
|
|
bPollEnable = true;
|
|
return 0;
|
|
|
|
FailGetDevDescr:
|
|
#ifdef DEBUG_USB_HOST
|
|
NotifyFailGetDevDescr();
|
|
goto Fail;
|
|
#endif
|
|
|
|
FailSetDevTblEntry:
|
|
#ifdef DEBUG_USB_HOST
|
|
NotifyFailSetDevTblEntry();
|
|
goto Fail;
|
|
#endif
|
|
|
|
FailGetConfDescr:
|
|
#ifdef DEBUG_USB_HOST
|
|
NotifyFailGetConfDescr();
|
|
goto Fail;
|
|
#endif
|
|
|
|
FailSetConfDescr:
|
|
#ifdef DEBUG_USB_HOST
|
|
NotifyFailSetConfDescr();
|
|
goto Fail;
|
|
#endif
|
|
|
|
|
|
FailSetIdle:
|
|
#ifdef DEBUG_USB_HOST
|
|
USBTRACE("SetIdle:");
|
|
#endif
|
|
|
|
#ifdef DEBUG_USB_HOST
|
|
Fail:
|
|
NotifyFail(rcode);
|
|
#endif
|
|
Release();
|
|
return rcode;
|
|
}
|
|
|
|
HIDUniversal::HIDInterface* HIDUniversal::FindInterface(uint8_t iface, uint8_t alt, uint8_t proto) {
|
|
for(uint8_t i = 0; i < bNumIface && i < maxHidInterfaces; i++)
|
|
if(hidInterfaces[i].bmInterface == iface && hidInterfaces[i].bmAltSet == alt
|
|
&& hidInterfaces[i].bmProtocol == proto)
|
|
return hidInterfaces + i;
|
|
return NULL;
|
|
}
|
|
|
|
void HIDUniversal::EndpointXtract(uint8_t conf, uint8_t iface, uint8_t alt, uint8_t proto, const USB_ENDPOINT_DESCRIPTOR *pep) {
|
|
// If the first configuration satisfies, the others are not concidered.
|
|
if(bNumEP > 1 && conf != bConfNum)
|
|
return;
|
|
|
|
//ErrorMessage<uint8_t>(PSTR("\r\nConf.Val"), conf);
|
|
//ErrorMessage<uint8_t>(PSTR("Iface Num"), iface);
|
|
//ErrorMessage<uint8_t>(PSTR("Alt.Set"), alt);
|
|
|
|
bConfNum = conf;
|
|
|
|
uint8_t index = 0;
|
|
HIDInterface *piface = FindInterface(iface, alt, proto);
|
|
|
|
// Fill in interface structure in case of new interface
|
|
if(!piface) {
|
|
piface = hidInterfaces + bNumIface;
|
|
piface->bmInterface = iface;
|
|
piface->bmAltSet = alt;
|
|
piface->bmProtocol = proto;
|
|
bNumIface++;
|
|
}
|
|
|
|
if((pep->bmAttributes & 0x03) == 3 && (pep->bEndpointAddress & 0x80) == 0x80)
|
|
index = epInterruptInIndex;
|
|
else
|
|
index = epInterruptOutIndex;
|
|
|
|
if(index) {
|
|
// Fill in the endpoint info structure
|
|
epInfo[bNumEP].epAddr = (pep->bEndpointAddress & 0x0F);
|
|
epInfo[bNumEP].maxPktSize = (uint8_t)pep->wMaxPacketSize;
|
|
epInfo[bNumEP].epAttribs = 0;
|
|
epInfo[bNumEP].bmNakPower = USB_NAK_NOWAIT;
|
|
|
|
// Fill in the endpoint index list
|
|
piface->epIndex[index] = bNumEP; //(pep->bEndpointAddress & 0x0F);
|
|
|
|
if(pollInterval < pep->bInterval) // Set the polling interval as the largest polling interval obtained from endpoints
|
|
pollInterval = pep->bInterval;
|
|
|
|
bNumEP++;
|
|
}
|
|
//PrintEndpointDescriptor(pep);
|
|
}
|
|
|
|
uint8_t HIDUniversal::Release() {
|
|
pUsb->GetAddressPool().FreeAddress(bAddress);
|
|
|
|
bNumEP = 1;
|
|
bAddress = 0;
|
|
qNextPollTime = 0;
|
|
bPollEnable = false;
|
|
return 0;
|
|
}
|
|
|
|
bool HIDUniversal::BuffersIdentical(uint8_t len, uint8_t *buf1, uint8_t *buf2) {
|
|
for(uint8_t i = 0; i < len; i++)
|
|
if(buf1[i] != buf2[i])
|
|
return false;
|
|
return true;
|
|
}
|
|
|
|
void HIDUniversal::ZeroMemory(uint8_t len, uint8_t *buf) {
|
|
for(uint8_t i = 0; i < len; i++)
|
|
buf[i] = 0;
|
|
}
|
|
|
|
void HIDUniversal::SaveBuffer(uint8_t len, uint8_t *src, uint8_t *dest) {
|
|
for(uint8_t i = 0; i < len; i++)
|
|
dest[i] = src[i];
|
|
}
|
|
|
|
uint8_t HIDUniversal::Poll() {
|
|
uint8_t rcode = 0;
|
|
|
|
if(!bPollEnable)
|
|
return 0;
|
|
|
|
if((long)(millis() - qNextPollTime) >= 0L) {
|
|
qNextPollTime = millis() + pollInterval;
|
|
|
|
uint8_t buf[constBuffLen];
|
|
|
|
for(uint8_t i = 0; i < bNumIface; i++) {
|
|
uint8_t index = hidInterfaces[i].epIndex[epInterruptInIndex];
|
|
uint16_t read = (uint16_t)epInfo[index].maxPktSize;
|
|
|
|
ZeroMemory(constBuffLen, buf);
|
|
|
|
uint8_t rcode = pUsb->inTransfer(bAddress, epInfo[index].epAddr, &read, buf);
|
|
|
|
if(rcode) {
|
|
if(rcode != hrNAK)
|
|
USBTRACE3("(hiduniversal.h) Poll:", rcode, 0x81);
|
|
return rcode;
|
|
}
|
|
|
|
if(read > constBuffLen)
|
|
read = constBuffLen;
|
|
|
|
bool identical = BuffersIdentical(read, buf, prevBuf);
|
|
|
|
SaveBuffer(read, buf, prevBuf);
|
|
|
|
if(identical)
|
|
return 0;
|
|
#if 0
|
|
Notify(PSTR("\r\nBuf: "), 0x80);
|
|
|
|
for(uint8_t i = 0; i < read; i++) {
|
|
D_PrintHex<uint8_t > (buf[i], 0x80);
|
|
Notify(PSTR(" "), 0x80);
|
|
}
|
|
|
|
Notify(PSTR("\r\n"), 0x80);
|
|
#endif
|
|
ParseHIDData(this, bHasReportId, (uint8_t)read, buf);
|
|
|
|
HIDReportParser *prs = GetReportParser(((bHasReportId) ? *buf : 0));
|
|
|
|
if(prs)
|
|
prs->Parse(this, bHasReportId, (uint8_t)read, buf);
|
|
}
|
|
}
|
|
return rcode;
|
|
}
|
|
|
|
// Send a report to interrupt out endpoint. This is NOT SetReport() request!
|
|
uint8_t HIDUniversal::SndRpt(uint16_t nbytes, uint8_t *dataptr) {
|
|
return pUsb->outTransfer(bAddress, epInfo[epInterruptOutIndex].epAddr, nbytes, dataptr);
|
|
} |