Simple USBHost MSD(USB flash drive) for EA LPC4088 QSB test program
Dependencies: LPC4088-USBHost mbed
EA LPC4088をUSBホストにしてUSBフラッシュメモリ(USB flash drive)を読み書きするテストプログラムです。
https://bitbucket.org/va009039/lpc4088_usbhost
Diff: LPC4088-USBHost/USBHost/BaseUsbHostCtlEp.cpp
- Revision:
- 0:11152e69fc05
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/LPC4088-USBHost/USBHost/BaseUsbHostCtlEp.cpp Tue Apr 22 10:54:52 2014 +0000 @@ -0,0 +1,107 @@ +// BaseUsbHostCtlEp.cpp 2014/4/21 +#include "USBHost.h" +#define USB_DEBUG +#include "BaseUsbHostDebug.h" +#define TEST +#include "BaseUsbHostTest.h" + +static uint8_t device_addr = 1; +ControlEp::ControlEp(int lowSpeed):USBEndpoint(0, 0, 8, lowSpeed) { + setType(CONTROL_ENDPOINT); + USB_TYPE r = open(device_addr); + if (r == USB_TYPE_OK) { + device_addr++; + } +} + +USB_TYPE ControlEp::SetAddress(int addr) +{ + return controlSend(0x00, 5, addr); +} + +USB_TYPE ControlEp::GetDescriptor(int descType, int descIndex, uint8_t* data, int length) +{ + return controlReceive(0x80, 6, (descType<<8)|descIndex, 0, data, length); +} + +USB_TYPE ControlEp::SetConfiguration(int config) +{ + return controlSend(0x00, 9, config); +} + +USB_TYPE ControlEp::GetConfiguration(int *config) +{ + uint8_t buf[1]; + USB_TYPE rc = controlReceive(0x80, 8, 0, 0, buf, 1); + *config = buf[0]; + return rc; +} + +USB_TYPE ControlEp::SetInterfaceAlternate(int interface, int alternate) +{ + return controlSend(USB_HOST_TO_DEVICE | USB_RECIPIENT_INTERFACE, + SET_INTERFACE, alternate, interface, NULL, 0); +} + +USB_TYPE ControlEp::GetInterface(int interface, int *alternate) +{ + uint8_t buf[1]; + USB_TYPE rc = controlReceive(0x81, 10, 0, interface, buf, 1); + *alternate = buf[0]; + return rc; +} + +USB_TYPE ControlEp::GetStringDescriptor(char* s, int index) +{ + uint8_t buf[128]; + USB_TYPE r = GetDescriptor(USB_DESCRIPTOR_TYPE_STRING, index, buf, sizeof(buf)); + if (r != USB_TYPE_OK) { + return r; + } + DBG_HEX(buf, sizeof(buf)); + StringDescriptor* desc = reinterpret_cast<StringDescriptor*>(buf); + if (desc->bLength <= 2 || desc->bDescriptorType != 3) { + return USB_TYPE_ERROR; + } + for(int i = 0; i < desc->bLength-2; i += 2) { + *s++ = desc->bString[i]; + } + *s = '\0'; + return USB_TYPE_OK; +} + +USB_TYPE ControlEp::open(int addr) +{ + TEST_ASSERT(addr >= 1 && addr <= 127); + uint8_t buf[8]; + USB_TYPE r = GetDescriptor(1, 0, buf, 8); + if (r != USB_TYPE_OK) { + return r; + } + TEST_ASSERT(buf[0] == 0x12); + TEST_ASSERT(buf[1] == 0x01); + TEST_ASSERT(buf[7] >= 8); + update_MaxPacketSize(buf[7]); + r = SetAddress(addr); + TEST_ASSERT(r == USB_TYPE_OK); + if (r != USB_TYPE_OK) { + return r; + } + wait_ms(2); + update_FunctionAddress(addr); + return USB_TYPE_OK; +} + +USB_TYPE ControlEp::controlReceive(uint8_t bmRequestType, uint8_t bRequest, uint16_t wValue, uint16_t wIndex, + uint8_t* data, int length) +{ + return host->controlRead(this, bmRequestType, bRequest, wValue, wIndex, data, length); +} + +USB_TYPE ControlEp::controlSend(uint8_t bmRequestType, uint8_t bRequest, uint16_t wValue, uint16_t wIndex, + const uint8_t* data, int length) +{ + return host->controlWrite(this, bmRequestType, bRequest, wValue, wIndex, (uint8_t*)data, length); +} + +