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correct EHCI reporting failed xfer (instead of stalled) when device is unplugged

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This commit is contained in:
hathach
2023-05-11 14:26:12 +07:00
parent e2d3c0b2d3
commit 206d63e038
9 changed files with 74 additions and 38 deletions
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20
src/host/usbh.c
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@@ -61,6 +61,8 @@ typedef struct
uint8_t hub_addr;
uint8_t hub_port;
uint8_t speed;
// enumeration is in progress, done when all interfaces are configured
volatile uint8_t enumerating;
// struct TU_ATTR_PACKED {
@@ -436,7 +438,8 @@ void tuh_task_ext(uint32_t timeout_ms, bool in_isr)
uint8_t const epnum = tu_edpt_number(ep_addr);
uint8_t const ep_dir = tu_edpt_dir(ep_addr);
TU_LOG_USBH("on EP %02X with %u bytes\r\n", ep_addr, (unsigned int) event.xfer_complete.len);
TU_LOG_USBH("on EP %02X with %u bytes %s\r\n", ep_addr, (unsigned int) event.xfer_complete.len,
tu_str_xfer_result[event.xfer_complete.result]);
if (event.dev_addr == 0)
{
@@ -866,6 +869,10 @@ TU_ATTR_FAST_FUNC void hcd_event_handler(hcd_event_t const* event, bool in_isr)
{
switch (event->event_id)
{
// case HCD_EVENT_DEVICE_REMOVE:
//
// break;
default:
osal_queue_send(_usbh_q, event, in_isr);
break;
@@ -1128,30 +1135,28 @@ static void process_device_unplugged(uint8_t rhport, uint8_t hub_addr, uint8_t h
usbh_device_t* dev = &_usbh_devices[dev_id];
uint8_t const dev_addr = dev_id+1;
// TODO Hub multiple level
if (dev->rhport == rhport &&
(hub_addr == 0 || dev->hub_addr == hub_addr) && // hub_addr = 0 means roothub
(hub_port == 0 || dev->hub_port == hub_port) && // hub_port = 0 means all devices of downstream hub
dev->connected)
{
TU_LOG_USBH(" Address = %u\r\n", dev_addr);
TU_LOG_USBH("Device unplugged address = %u\r\n", dev_addr);
if (is_hub_addr(dev_addr))
{
TU_LOG(USBH_DEBUG, "HUB address = %u is unmounted\r\n", dev_addr);
TU_LOG(USBH_DEBUG, " is a HUB device\r\n", dev_addr);
// If the device itself is a usb hub, unplug downstream devices.
// FIXME un-roll recursive calls to prevent potential stack overflow
process_device_unplugged(rhport, dev_addr, 0);
}else
{
// Invoke callback before closing driver
// Invoke callback before closing driver (maybe call it later ?)
if (tuh_umount_cb) tuh_umount_cb(dev_addr);
}
// Close class driver
for (uint8_t drv_id = 0; drv_id < USBH_CLASS_DRIVER_COUNT; drv_id++)
{
TU_LOG_USBH("%s close\r\n", usbh_class_drivers[drv_id].name);
usbh_class_drivers[drv_id].close(dev_addr);
}
@@ -1449,6 +1454,7 @@ static uint8_t get_new_address(bool is_hub)
{
uint8_t start;
uint8_t end;
if ( is_hub )
{
start = CFG_TUH_DEVICE_MAX;
@@ -1459,7 +1465,7 @@ static uint8_t get_new_address(bool is_hub)
end = start + CFG_TUH_DEVICE_MAX;
}
for ( uint8_t idx = start; idx < end; idx++)
for (uint8_t idx = start; idx < end; idx++)
{
if (!_usbh_devices[idx].connected) return (idx+1);
}