supported GR-PEACH original: http://developer.mbed.org/users/va009039/code/USBHostC270_example/ The function of Isochronous has moved to USBHost_AddIso library.
Dependencies: USBHost_custom_Addiso
Fork of USBHostC270_example_GR-PEACH by
USBHostC270/USBHostC270.cpp
- Committer:
- va009039
- Date:
- 2013-03-16
- Revision:
- 9:fecabade834a
- Child:
- 10:387c49b2fc7e
File content as of revision 9:fecabade834a:
#include "USBHostC270.h" #include "dbg.h" // ------------------ HcControl Register --------------------- #define OR_CONTROL_IE 0x00000008 USBHostC270::USBHostC270(int formatIndex, int frameIndex, uint32_t interval) { _formatIndex = formatIndex; _frameIndex = frameIndex; _interval = interval; host = USBHost::getHostInst(); init(); } void USBHostC270::init() { C270_DBG(""); dev_connected = false; dev = NULL; c270_intf = -1; c270_device_found = false; c270_vid_pid_found = false; clearOnResult(); } bool USBHostC270::connected() { C270_DBG(""); return dev_connected; } bool USBHostC270::connect() { C270_DBG(""); if (dev_connected) { return true; } for (uint8_t i = 0; i < MAX_DEVICE_CONNECTED; i++) { if ((dev = host->getDevice(i)) != NULL) { C270_DBG("Trying to connect C270 device\r\n"); if(host->enumerate(dev, this)) break; if (c270_device_found) { USB_INFO("New C270 device: VID:%04x PID:%04x [dev: %p - intf: %d]", dev->getVid(), dev->getPid(), dev, c270_intf); dev->setName("C270", c270_intf); host->registerDriver(dev, c270_intf, this, &USBHostC270::init); int addr = dev->getAddress(); m_isoEp = new IsochronousEp(addr, C270_EN, C270_MPS); uint8_t buf[26]; memset(buf, 0, sizeof(buf)); buf[2] = _formatIndex; buf[3] = _frameIndex; *reinterpret_cast<uint32_t*>(buf+4) = _interval; USB_TYPE res = Control(SET_CUR, VS_COMMIT_CONTROL, 1, buf, sizeof(buf)); if (res != USB_TYPE_OK) { C270_DBG("SET_CUR VS_COMMIT_CONTROL FAILED"); } res = setInterfaceAlternate(1, C270_IF_ALT); // alt=1 packet size = 192 if (res != USB_TYPE_OK) { C270_DBG("SET_INTERFACE FAILED"); } for(int i = 0; i < 16; i++) { report_cc_count[i] = 0; report_ps_cc_count[i] = 0; } LPC_USB->HcControl |= OR_CONTROL_PLE; // PeriodicListEnable LPC_USB->HcControl |= OR_CONTROL_IE; // IsochronousEnable dev_connected = true; return true; } } } init(); return false; } /*virtual*/ void USBHostC270::setVidPid(uint16_t vid, uint16_t pid) { C270_DBG("vid:%04x,pid:%04x", vid, pid); if (vid == C270_VID && pid == C270_PID) { c270_vid_pid_found = true; } else { c270_vid_pid_found = false; } } /*virtual*/ bool USBHostC270::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 { C270_DBG("intf_nb=%d,intf_class=%02X,intf_subclass=%d,intf_protocol=%d", intf_nb, intf_class, intf_subclass, intf_protocol); if ((c270_intf == -1) && c270_vid_pid_found) { c270_intf = intf_nb; c270_device_found = true; return true; } return false; } /*virtual*/ bool USBHostC270::useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir) //Must return true if the endpoint will be used { C270_DBG("intf_nb:%d,type:%d,dir:%d",intf_nb, type, dir); return false; } USB_TYPE USBHostC270::setInterfaceAlternate(uint8_t intf, uint8_t alt) { C270_DBG("intf:%d, alt:%d", intf, alt); return host->controlWrite(dev, USB_HOST_TO_DEVICE | USB_RECIPIENT_INTERFACE, SET_INTERFACE, alt, intf, NULL, 0); } USB_TYPE USBHostC270::Control(int req, int cs, int index, uint8_t* buf, int size) { C270_DBG("req:%d,cs:%d,index:%d", req, cs,index); if (req == SET_CUR) { return host->controlWrite(dev, USB_HOST_TO_DEVICE | USB_REQUEST_TYPE_CLASS | USB_RECIPIENT_INTERFACE, req, cs<<8, index, buf, size); } return host->controlRead(dev, USB_DEVICE_TO_HOST | USB_REQUEST_TYPE_CLASS | USB_RECIPIENT_INTERFACE, req, cs<<8, index, buf, size); }