USB host library, support isochronous,bulk,interrupt and control.
Dependents: BaseUsbHost_example BaseJpegDecode_example SimpleJpegDecode_example
Import programBaseUsbHost_example
BaseUsbHost example program
BaseUsbHostIntEp.cpp@4:d931d24c2f81, 2013-01-25 (annotated)
- Committer:
- va009039
- Date:
- Fri Jan 25 14:51:33 2013 +0000
- Revision:
- 4:d931d24c2f81
- Parent:
- 3:ae77d63a1eda
add UsbHub::search()
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
va009039 | 3:ae77d63a1eda | 1 | // BaseUsbHostIntEp.cpp 2012/12/24 |
va009039 | 0:b7d6879637a8 | 2 | #include "mbed.h" |
va009039 | 0:b7d6879637a8 | 3 | #include "rtos.h" |
va009039 | 0:b7d6879637a8 | 4 | #include "BaseUsbHost.h" |
va009039 | 0:b7d6879637a8 | 5 | #define DEBUG |
va009039 | 0:b7d6879637a8 | 6 | #include "BaseUsbHostDebug.h" |
va009039 | 0:b7d6879637a8 | 7 | #define TEST |
va009039 | 0:b7d6879637a8 | 8 | #include "BaseUsbHostTest.h" |
va009039 | 0:b7d6879637a8 | 9 | |
va009039 | 0:b7d6879637a8 | 10 | InterruptEp::InterruptEp(int addr, uint8_t ep, uint16_t size, int lowSpeed) |
va009039 | 0:b7d6879637a8 | 11 | :BaseEp(addr, ep, size, lowSpeed) |
va009039 | 0:b7d6879637a8 | 12 | { |
va009039 | 4:d931d24c2f81 | 13 | HCTD* td = new HCTD(this); |
va009039 | 3:ae77d63a1eda | 14 | m_pED->HeadTd = td; |
va009039 | 0:b7d6879637a8 | 15 | m_pED->TailTd = td; |
va009039 | 2:fe1e62051d88 | 16 | TEST_ASSERT(td); |
va009039 | 2:fe1e62051d88 | 17 | if (td == NULL) { |
va009039 | 2:fe1e62051d88 | 18 | return; |
va009039 | 2:fe1e62051d88 | 19 | } |
va009039 | 0:b7d6879637a8 | 20 | HCCA* pHcca = reinterpret_cast<HCCA*>(LPC_USB->HcHCCA); |
va009039 | 0:b7d6879637a8 | 21 | TEST_ASSERT(pHcca); |
va009039 | 2:fe1e62051d88 | 22 | if (pHcca == NULL) { |
va009039 | 2:fe1e62051d88 | 23 | return; |
va009039 | 2:fe1e62051d88 | 24 | } |
va009039 | 0:b7d6879637a8 | 25 | int n = 0; |
va009039 | 0:b7d6879637a8 | 26 | m_pED->Next = pHcca->InterruptTable[n]; |
va009039 | 4:d931d24c2f81 | 27 | pHcca->InterruptTable[n] = m_pED; |
va009039 | 3:ae77d63a1eda | 28 | |
va009039 | 3:ae77d63a1eda | 29 | DBG_ED(m_pED); |
va009039 | 3:ae77d63a1eda | 30 | } |
va009039 | 3:ae77d63a1eda | 31 | |
va009039 | 3:ae77d63a1eda | 32 | void InterruptEp::enable() |
va009039 | 3:ae77d63a1eda | 33 | { |
va009039 | 0:b7d6879637a8 | 34 | LPC_USB->HcControl |= OR_CONTROL_PLE; |
va009039 | 0:b7d6879637a8 | 35 | } |
va009039 | 0:b7d6879637a8 | 36 | |
va009039 | 1:3b7bc4f87a61 | 37 | int InterruptEp::interruptReceive(uint8_t* buf, int len, int millisec) |
va009039 | 0:b7d6879637a8 | 38 | { |
va009039 | 3:ae77d63a1eda | 39 | return send_receive(buf, len, millisec); |
va009039 | 0:b7d6879637a8 | 40 | } |