USBHost custom library.
Dependents: GR-PEACH_HVC-P2_sample_client mbed-os-storage-access GR-PEACH_Digital_Signage GR-PEACH_Audio_Playback_Sample ... more
Fork of USBHost by
Diff: USBHostMSD/USBHostMSD.cpp
- Revision:
- 24:868cbfe611a7
- Parent:
- 13:b58a2204422f
- Child:
- 26:607951c26872
--- a/USBHostMSD/USBHostMSD.cpp Fri Mar 07 16:00:46 2014 +0000 +++ b/USBHostMSD/USBHostMSD.cpp Tue Jun 03 11:30:38 2014 +0100 @@ -65,19 +65,19 @@ for (uint8_t i = 0; i < MAX_DEVICE_CONNECTED; i++) { if ((dev = host->getDevice(i)) != NULL) { - + USB_DBG("Trying to connect MSD device\r\n"); - + 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) continue; - + USB_INFO("New MSD device: VID:%04x PID:%04x [dev: %p - intf: %d]", dev->getVid(), dev->getPid(), dev, msd_intf); dev->setName("MSD", msd_intf); host->registerDriver(dev, msd_intf, this, &USBHostMSD::init); @@ -219,7 +219,7 @@ if (data) { USB_DBG("data stage"); if (flags == HOST_TO_DEVICE) { - + res = host->bulkWrite(dev, bulk_out, data, transfer_len); if (checkResult(res, bulk_out)) return -1; @@ -242,7 +242,7 @@ if (csw.Signature != CSW_SIGNATURE) { return -1; } - + USB_DBG("recv csw: status: %d", csw.Status); // ModeSense? @@ -250,27 +250,27 @@ USB_DBG("request mode sense"); return SCSIRequestSense(); } - + // perform reset recovery if ((csw.Status == 2) && (cmd[0] != 0x03)) { - + // send Bulk-Only Mass Storage Reset request res = host->controlWrite( dev, USB_RECIPIENT_INTERFACE | USB_HOST_TO_DEVICE | USB_REQUEST_TYPE_CLASS, BO_MASS_STORAGE_RESET, 0, msd_intf, NULL, 0); - + // unstall both endpoints res = host->controlWrite( dev, USB_RECIPIENT_ENDPOINT | USB_HOST_TO_DEVICE | USB_REQUEST_TYPE_STANDARD, CLEAR_FEATURE, 0, bulk_in->getAddress(), NULL, 0); - + res = host->controlWrite( dev, USB_RECIPIENT_ENDPOINT | USB_HOST_TO_DEVICE | USB_REQUEST_TYPE_STANDARD, CLEAR_FEATURE, 0, bulk_out->getAddress(), NULL, 0); - + } return csw.Status; @@ -304,20 +304,20 @@ int USBHostMSD::disk_initialize() { USB_DBG("FILESYSTEM: init"); U16 i, timeout = 10; - + getMaxLun(); - + for (i = 0; i < timeout; i++) { Thread::wait(100); if (!testUnitReady()) break; } - + if (i == timeout) { disk_init = false; return -1; } - + inquiry(0, 0); disk_init = 1; return readCapacity();