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USBHost_t36
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Print less low-level EHCI info when USBHOST_PRINT_DEBUG defined

This commit is contained in:
PaulStoffregen 2017-10-08 02:18:03 -07:00
parent a44e342703
commit a1cde4e568
1 changed files with 36 additions and 35 deletions
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71
ehci.cpp
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@ -247,7 +247,7 @@ void USBHost::isr()
uint32_t stat = USBHS_USBSTS;
USBHS_USBSTS = stat; // clear pending interrupts
//stat &= USBHS_USBINTR; // mask away unwanted interrupts
#if 1
#if 0
println();
println("ISR: ", stat, HEX);
//if (stat & USBHS_USBSTS_UI) println(" USB Interrupt");
@ -271,7 +271,7 @@ void USBHost::isr()
#endif
if (stat & USBHS_USBSTS_UAI) { // completed qTD(s) from the async schedule
println("Async Followup");
//println("Async Followup");
//print(async_followup_first, async_followup_last);
Transfer_t *p = async_followup_first;
while (p) {
@ -289,7 +289,7 @@ void USBHost::isr()
//print(async_followup_first, async_followup_last);
}
if (stat & USBHS_USBSTS_UPI) { // completed qTD(s) from the periodic schedule
println("Periodic Followup");
//println("Periodic Followup");
Transfer_t *p = periodic_followup_first;
while (p) {
if (followup_Transfer(p)) {
@ -599,7 +599,7 @@ bool USBHost::queue_Control_Transfer(Device_t *dev, setup_t *setup, void *buf, U
Transfer_t *transfer, *data, *status;
uint32_t status_direction;
println("new_Control_Transfer");
//println("new_Control_Transfer");
if (setup->wLength > 16384) return false; // max 16K data for control
transfer = allocate_Transfer();
if (!transfer) {
@ -654,7 +654,7 @@ bool USBHost::queue_Data_Transfer(Pipe_t *pipe, void *buffer, uint32_t len, USBD
// TODO: option for zero length packet? Maybe in Pipe_t fields?
println("new_Data_Transfer");
//println("new_Data_Transfer");
// allocate qTDs
transfer = allocate_Transfer();
if (!transfer) return false;
@ -757,8 +757,8 @@ bool USBHost::queue_Transfer(Pipe_t *pipe, Transfer_t *transfer)
bool USBHost::followup_Transfer(Transfer_t *transfer)
{
print(" Followup ", (uint32_t)transfer, HEX);
println(" token=", transfer->qtd.token, HEX);
//print(" Followup ", (uint32_t)transfer, HEX);
//println(" token=", transfer->qtd.token, HEX);
if (!(transfer->qtd.token & 0x80)) {
// TODO: check error status
@ -998,10 +998,10 @@ bool USBHost::allocate_interrupt_pipe_bandwidth(Pipe_t *pipe, uint32_t maxlen, u
best_offset = offset;
}
}
print(" best_bandwidth = ");
print(best_bandwidth);
print(", at offset = ");
println(best_offset);
print(" best_bandwidth = ", best_bandwidth);
//print(best_bandwidth);
println(", at offset = ", best_offset);
//println(best_offset);
// a 125 us micro frame can fit 7500 bytes, or 234 of our 32-byte units
// fail if the best found needs more than 80% (234 * 0.8) in any uframe
if (best_bandwidth > 187) return false;
@ -1064,12 +1064,12 @@ bool USBHost::allocate_interrupt_pipe_bandwidth(Pipe_t *pipe, uint32_t maxlen, u
}
}
}
print(" best_bandwidth = ");
println(best_bandwidth);
print(", at offset = ");
print(best_offset);
print(", shift= ");
println(best_shift);
print(" best_bandwidth = ", best_bandwidth);
//println(best_bandwidth);
print(", at offset = ", best_offset);
//print(best_offset);
println(", shift= ", best_shift);
//println(best_shift);
// a 125 us micro frame can fit 7500 bytes, or 234 of our 32-byte units
// fail if the best found needs more than 80% (234 * 0.8) in any uframe
if (best_bandwidth > 187) return false;
@ -1093,7 +1093,7 @@ bool USBHost::allocate_interrupt_pipe_bandwidth(Pipe_t *pipe, uint32_t maxlen, u
void USBHost::add_qh_to_periodic_schedule(Pipe_t *pipe)
{
// quick hack for testing, just put it into the first table entry
println("add_qh_to_periodic_schedule: ", (uint32_t)pipe, HEX);
//println("add_qh_to_periodic_schedule: ", (uint32_t)pipe, HEX);
#if 0
pipe->qh.horizontal_link = periodictable[0];
periodictable[0] = (uint32_t)&(pipe->qh) | 2; // 2=QH
@ -1101,28 +1101,28 @@ void USBHost::add_qh_to_periodic_schedule(Pipe_t *pipe)
#else
uint32_t interval = pipe->periodic_interval;
uint32_t offset = pipe->periodic_offset;
println(" interval = ", interval);
println(" offset = ", offset);
//println(" interval = ", interval);
//println(" offset = ", offset);
// By an interative miracle, hopefully make an inverted tree of EHCI figure 4-18, page 93
for (uint32_t i=offset; i < PERIODIC_LIST_SIZE; i += interval) {
print(" old slot ", i);
print(": ");
print_qh_list((Pipe_t *)(periodictable[i] & 0xFFFFFFE0));
//print(" old slot ", i);
//print(": ");
//print_qh_list((Pipe_t *)(periodictable[i] & 0xFFFFFFE0));
uint32_t num = periodictable[i];
Pipe_t *node = (Pipe_t *)(num & 0xFFFFFFE0);
if ((num & 1) || ((num & 6) == 2 && node->periodic_interval < interval)) {
println(" add to slot ", i);
//println(" add to slot ", i);
pipe->qh.horizontal_link = num;
periodictable[i] = (uint32_t)&(pipe->qh) | 2; // 2=QH
} else {
println(" traverse list ", i);
//println(" traverse list ", i);
// TODO: skip past iTD, siTD when/if we support isochronous
while (node->periodic_interval >= interval) {
if (node == pipe) goto nextslot;
print(" num ", num, HEX);
print(" node ", (uint32_t)node, HEX);
println("->", node->qh.horizontal_link, HEX);
//print(" num ", num, HEX);
//print(" node ", (uint32_t)node, HEX);
//println("->", node->qh.horizontal_link, HEX);
if (node->qh.horizontal_link & 1) break;
num = node->qh.horizontal_link;
node = (Pipe_t *)(num & 0xFFFFFFE0);
@ -1132,9 +1132,9 @@ void USBHost::add_qh_to_periodic_schedule(Pipe_t *pipe)
if (n == pipe) goto nextslot;
n = (Pipe_t *)(n->qh.horizontal_link & 0xFFFFFFE0);
} while (n != NULL);
print(" adding at node ", (uint32_t)node, HEX);
print(", num=", num, HEX);
println(", node->qh.horizontal_link=", node->qh.horizontal_link, HEX);
//print(" adding at node ", (uint32_t)node, HEX);
//print(", num=", num, HEX);
//println(", node->qh.horizontal_link=", node->qh.horizontal_link, HEX);
pipe->qh.horizontal_link = node->qh.horizontal_link;
node->qh.horizontal_link = (uint32_t)pipe | 2; // 2=QH
// TODO: is it really necessary to keep doing the outer
@ -1142,12 +1142,13 @@ void USBHost::add_qh_to_periodic_schedule(Pipe_t *pipe)
// we could avoid extra work by just returning here.
}
nextslot:
print(" new slot ", i);
print(": ");
print_qh_list((Pipe_t *)(periodictable[i] & 0xFFFFFFE0));
//print(" new slot ", i);
//print(": ");
//print_qh_list((Pipe_t *)(periodictable[i] & 0xFFFFFFE0));
{}
}
#endif
#if 1
#if 0
println("Periodic Schedule:");
for (uint32_t i=0; i < PERIODIC_LIST_SIZE; i++) {
if (i < 10) print(" ");