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
Diff: USBHostC270/BaseUvc.cpp
- Revision:
- 12:ea4badc78215
- Parent:
- 11:6a8eef89eb22
--- a/USBHostC270/BaseUvc.cpp Mon Mar 18 12:34:47 2013 +0000
+++ b/USBHostC270/BaseUvc.cpp Wed Mar 20 14:28:39 2013 +0000
@@ -1,19 +1,9 @@
// BaseUvc.cpp
-
#include "USBHostConf.h"
#include "USBHost.h"
-
+#include "USBIsochronous.h"
#include "BaseUvc.h"
-//#define ISO_DEBUG 1
-#ifdef ISO_DEBUG
-#define ISO_DBG(x, ...) std::printf("[%s:%d]"x"\r\n", __PRETTY_FUNCTION__, __LINE__, ##__VA_ARGS__);
-#else
-#define ISO_DBG(...) while(0);
-#endif
-
-#define TEST_ASSERT(A) while(!(A)){fprintf(stderr,"\n\n%s@%d %s ASSERT!\n\n",__PRETTY_FUNCTION__,__LINE__,#A);exit(1);};
-
void BaseUvc::poll(int millisec)
{
HCITD* itd = m_isoEp->isochronousReceive(millisec);
@@ -82,168 +72,3 @@
}
-HCITD::HCITD(BaseEp* obj, uint16_t FrameNumber, int FrameCount, uint16_t PacketSize) {
- Control = 0xe0000000 | // CC ConditionCode NOT ACCESSED
- ((FrameCount-1) << 24)| // FC FrameCount
- TD_DELAY_INT(0) | // DI DelayInterrupt
- FrameNumber; // SF StartingFrame
- BufferPage0 = const_cast<uint8_t*>(buf);
- BufferEnd = const_cast<uint8_t*>(buf) + PacketSize * FrameCount - 1;
- Next = NULL;
- ep = obj;
- uint32_t addr = reinterpret_cast<uint32_t>(buf);
- for(int i = 0; i < FrameCount; i++) {
- uint16_t offset = addr & 0x0fff;
- if ((addr&0xfffff000) == (reinterpret_cast<uint32_t>(BufferEnd)&0xfffff000)) {
- offset |= 0x1000;
- }
- OffsetPSW[i] = 0xe000|offset;
- addr += PacketSize;
- }
-}
-
-void IsochronousEp::init(int addr, uint8_t ep, uint16_t size)
-{
- //ISO_DBG("%p FA:%d EP:%02X MPS:%d\n", this, addr, ep, size);
- BaseEp::init(addr, ep, size);
- TEST_ASSERT(m_pED);
-
- m_pED->setFormat(); // F Format ITD
-
- TEST_ASSERT(size >= 128 && size <= 1023);
- m_PacketSize = size;
- m_FrameCount = 4; // 1-8
- TEST_ASSERT(m_FrameCount >= 1 && m_FrameCount <= 8);
- m_itd_queue_count = 0;
- reset();
- HCITD* itd = new_HCITD(this);
- m_pED->init_queue<HCITD>(itd);
- TEST_ASSERT(itd);
- if (itd == NULL) {
- return;
- }
- _HCCA* hcca = reinterpret_cast<_HCCA*>(LPC_USB->HcHCCA);
- TEST_ASSERT(hcca);
- if (hcca == NULL) {
- return;
- }
- hcca->enqueue(m_pED);
-}
-
-void IsochronousEp::reset(int delay_ms)
-{
- m_FrameNumber = LPC_USB->HcFmNumber + delay_ms;
-}
-
-HCITD* IsochronousEp::new_HCITD(BaseEp* obj)
-{
- HCITD* itd = new(m_PacketSize*m_FrameCount)HCITD(obj, m_FrameNumber, m_FrameCount, m_PacketSize);
- if (itd == NULL) {
- return NULL;
- }
- m_FrameNumber += m_FrameCount;
- return itd;
-}
-
-HCITD* IsochronousEp::isochronousReceive(int millisec)
-{
- TEST_ASSERT(m_itd_queue_count >= 0);
- while(m_itd_queue_count < 3 && m_itd_queue_count < HCTD_QUEUE_SIZE) {
- TEST_ASSERT(m_pED);
- if (m_pED->Skip()) {
- break;
- }
- HCITD* blank_itd = new_HCITD(this);
- TEST_ASSERT(blank_itd);
- if (m_pED->enqueue<HCITD>(blank_itd)) {
- m_itd_queue_count++;
- }
- enable(); // Enable Periodic
- }
-
- HCITD* itd = get_queue_HCITD(millisec);
- if (itd) {
- m_itd_queue_count--;
- }
- return itd;
-}
-
-HCITD* IsochronousEp::get_queue_HCITD(int millisec)
-{
- for(int i = 0; i < 16; i++) {
- osEvent evt = m_queue.get(millisec);
- if (evt.status == osEventMessage) {
- HCITD* itd = reinterpret_cast<HCITD*>(evt.value.p);
- TEST_ASSERT(itd);
- return itd;
- } else if (evt.status == osOK) {
- continue;
- } else if (evt.status == osEventTimeout) {
- return NULL;
- } else {
- ISO_DBG("evt.status: %02x\n", evt.status);
- TEST_ASSERT(evt.status == osEventMessage);
- return NULL;
- }
- }
- return NULL;
-}
-
-void IsochronousEp::enable()
-{
- LPC_USB->HcControl |= OR_CONTROL_PLE;
-}
-
-void IsochronousEp::disconnect()
-{
- m_pED->setSkip();
- Thread::wait(50);
- ISO_DBG("rtos-queue: %d", m_itd_queue_count);
- int queue_count = m_itd_queue_count;
- Timer t;
- t.reset();
- t.start();
- while(queue_count > 0 && t.read_ms() < 50) {
- HCITD* itd = get_queue_HCITD(10);
- if (itd) {
- ISO_DBG("delete ITD:%p from rtos-queue %d ms", itd, t.read_ms());
- delete itd;
- queue_count--;
- t.reset();
- }
- }
- ISO_DBG("rtos-queue: %d, %d ms", queue_count, t.read_ms());
- while(1) {
- HCITD* itd = m_pED->dequeue<HCITD>();
- if (itd == NULL) {
- break;
- }
- ISO_DBG("delete ITD:%p from ED(%p)-queue", itd, m_pED);
- delete itd;
- TEST_ASSERT(queue_count > 0);
- queue_count--;
- }
- TEST_ASSERT(queue_count == 0);
- HCITD* tail = reinterpret_cast<HCITD*>(m_pED->TailTd);
- ISO_DBG("delete ITD:%p from ED(%p)-tail", tail, m_pED);
- TEST_ASSERT(tail);
- delete tail;
- m_pED->init_queue<HCITD>(NULL);
-
- _HCCA* hcca = reinterpret_cast<_HCCA*>(LPC_USB->HcHCCA);
- TEST_ASSERT(hcca);
- hcca->dequeue(m_pED);
- ISO_DBG("delete ED:%p", m_pED);
- delete m_pED;
- m_pED = NULL;
-}
-
-void BaseEp::init(int addr, uint8_t ep, uint16_t size, int lowSpeed)
-{
- ISO_DBG("%p FA=%d EN=%02x MPS=%d S=%d\n", this, addr, ep, size, lowSpeed);
- TEST_ASSERT(size >= 8 && size <= 1023);
- TEST_ASSERT(lowSpeed == 0 || lowSpeed == 1);
- m_pED = new _HCED(addr, ep, size, lowSpeed);
- TEST_ASSERT(m_pED);
- m_td_queue_count = 0;
-}
