uint8_t USB::setAddr(uint8_t oldaddr, uint8_t ep, uint8_t newaddr) {
uint8_t rcode = ctrlReq(oldaddr, ep, bmREQ_SET, USB_REQUEST_SET_ADDRESS, newaddr, 0x00, 0x0000, 0x0000, 0x0000, NULL, NULL);
//delay(2); //per USB 2.0 sect.9.2.6.3
delay(300); // Older spec says you should wait at least 200ms
return rcode;
//return ( ctrlReq(oldaddr, ep, bmREQ_SET, USB_REQUEST_SET_ADDRESS, newaddr, 0x00, 0x0000, 0x0000, 0x0000, NULL, NULL));
}
/* Requests Configuration Descriptor. Sends two Get Conf Descr requests. The first one gets the total length of all descriptors, then the second one requests this
total length. The length of the first request can be shorter ( 4 bytes ), however, there are devices which won't work unless this length is set to 9 */
uint8_t USB::getConfDescr(uint8_t addr, uint8_t ep, uint8_t conf, USBReadParser *p) {
const uint8_t bufSize = 64;
uint8_t buf[bufSize];
USB_CONFIGURATION_DESCRIPTOR *ucd = reinterpret_cast<USB_CONFIGURATION_DESCRIPTOR *>(buf);
uint8_t ret = getConfDescr(addr, ep, 9, conf, buf);
if (ret) return ret;
uint16_t total = ucd->wTotalLength;
//USBTRACE2("\r\ntotal conf.size:", total);
return ctrlReq(addr, ep, bmREQ_GET_DESCR, USB_REQUEST_GET_DESCRIPTOR, conf, USB_DESCRIPTOR_CONFIGURATION, 0x0000, total, bufSize, buf, p);
}
uint8_t UsbHost_::getConfDescr( uint8_t addr, uint8_t ep, uint8_t conf, USBReadParser *p )
{
const uint8_t bufSize = 64;
uint8_t buf[bufSize];
uint8_t ret = getConfDescr( addr, ep, 8, conf, buf );
if (ret)
return ret;
uint16_t total = ((USB_CONFIGURATION_DESCRIPTOR*)buf)->wTotalLength;
//USBTRACE2("\r\ntotal conf.size:", total);
return( ctrlReq( addr, ep, bmREQ_GET_DESCR, USB_REQUEST_GET_DESCRIPTOR, conf, USB_DESCRIPTOR_CONFIGURATION, 0x0000, total, bufSize, buf, p ));
}
uint8_t USB::getConfDescr(uint8_t addr, uint8_t ep, uint8_t conf, USBReadParser *p) {
const uint32_t bufSize = 256; //64; due to receiving more than 1 packet (64bytes) in stm imple.
// we need a large buffer for BTD class, which has a 177 bytes desc.
uint8_t buf[bufSize];
uint8_t ret = getConfDescr(addr, ep, 8, conf, buf);
if (ret)
return ret;
uint16_t total = ((USB_CONFIGURATION_DESCRIPTOR*)buf)->wTotalLength;
//USBTRACE2("\r\ntotal conf.size:", total);
return ( ctrlReq(addr, ep, bmREQ_GET_DESCR, USB_REQUEST_GET_DESCRIPTOR, conf, USB_DESCRIPTOR_CONFIGURATION, 0x0000, total, bufSize, buf, p));
}
uint8_t USB::setConf(uint8_t addr, uint8_t ep, uint8_t conf_value) {
return ( ctrlReq(addr, ep, bmREQ_SET, USB_REQUEST_SET_CONFIGURATION, conf_value, 0x00, 0x0000, 0x0000, 0x0000, NULL, NULL));
}
uint8_t USB::getStrDescr(uint8_t addr, uint8_t ep, uint16_t ns, uint8_t index, uint16_t langid, uint8_t* dataptr) {
return ( ctrlReq(addr, ep, bmREQ_GET_DESCR, USB_REQUEST_GET_DESCRIPTOR, index, USB_DESCRIPTOR_STRING, langid, ns, ns, dataptr, NULL));
}
uint8_t USB::getConfDescr(uint8_t addr, uint8_t ep, uint16_t nbytes, uint8_t conf, uint8_t* dataptr) {
return ( ctrlReq(addr, ep, bmREQ_GET_DESCR, USB_REQUEST_GET_DESCRIPTOR, conf, USB_DESCRIPTOR_CONFIGURATION, 0x0000, nbytes, nbytes, dataptr, NULL));
}
uint8_t USB::getDevDescr(uint8_t addr, uint8_t ep, uint16_t nbytes, uint8_t* dataptr) {
return ( ctrlReq(addr, ep, bmREQ_GET_DESCR, USB_REQUEST_GET_DESCRIPTOR, 0x00, USB_DESCRIPTOR_DEVICE, 0x0000, nbytes, nbytes, dataptr, NULL));
}
//set address
uint8_t UsbHost_::setAddr( uint8_t oldaddr, uint8_t ep, uint8_t newaddr )
{
return( ctrlReq( oldaddr, ep, bmREQ_SET, USB_REQUEST_SET_ADDRESS, newaddr, 0x00, 0x0000, 0x0000, 0x0000, NULL, NULL ));
}
// private helper function
void MissileLauncher::issueCommand(MissileLauncherActions action) {
byte data[1] = {action};
ctrlReq(addr, endPoint, bmReqType, bRequest, wValLo, wValHi, wInd, total, sizeof(data)/sizeof(byte), data, NULL);
}
