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Support USB suspend/resume defined in USB 2.0 spec.

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This commit is contained in:
NIIBE Yutaka
2017-11-14 11:17:49 +09:00
parent e398fc9689
commit 168af852a5
7 changed files with 62 additions and 36 deletions
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14
example-cdc-gnu-linux/usb-cdc.c
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@@ -244,7 +244,7 @@ usb_device_reset (struct usb_dev *dev)
tty0.flag_connected = 0;
tty0.flag_send_ready = 1;
tty0.flag_input_avail = 0;
tty0.device_state = ATTACHED;
tty0.device_state = USB_DEVICE_STATE_ATTACHED;
memcpy (&tty0.line_coding, &line_coding0, sizeof (struct line_coding));
chopstx_mutex_unlock (&tty0.mtx);
}
@@ -414,7 +414,7 @@ usb_set_configuration (struct usb_dev *dev)
for (i = 0; i < NUM_INTERFACES; i++)
vcom_setup_endpoints_for_interface (dev, i, 0);
chopstx_mutex_lock (&tty0.mtx);
tty0.device_state = CONFIGURED;
tty0.device_state = USB_DEVICE_STATE_CONFIGURED;
chopstx_cond_signal (&tty0.cnd);
chopstx_mutex_unlock (&tty0.mtx);
}
@@ -427,7 +427,7 @@ usb_set_configuration (struct usb_dev *dev)
for (i = 0; i < NUM_INTERFACES; i++)
vcom_setup_endpoints_for_interface (dev, i, 1);
chopstx_mutex_lock (&tty0.mtx);
tty0.device_state = ADDRESSED;
tty0.device_state = USB_DEVICE_STATE_ADDRESSED;
chopstx_cond_signal (&tty0.cnd);
chopstx_mutex_unlock (&tty0.mtx);
}
@@ -645,7 +645,7 @@ tty_open (void)
tty0.flag_connected = 0;
tty0.flag_send_ready = 1;
tty0.flag_input_avail = 0;
tty0.device_state = UNCONNECTED;
tty0.device_state = USB_DEVICE_STATE_UNCONNECTED;
memcpy (&tty0.line_coding, &line_coding0, sizeof (struct line_coding));
chopstx_create (PRIO_TTY, STACK_ADDR_TTY, STACK_SIZE_TTY, tty_main, &tty0);
@@ -732,7 +732,7 @@ tty_main (void *arg)
* OK.
*/
chopstx_mutex_lock (&tty0.mtx);
tty0.device_state = ADDRESSED;
tty0.device_state = USB_DEVICE_STATE_ADDRESSED;
chopstx_cond_signal (&tty0.cnd);
chopstx_mutex_unlock (&tty0.mtx);
continue;
@@ -788,7 +788,7 @@ tty_main (void *arg)
}
chopstx_mutex_lock (&t->mtx);
if (t->device_state == CONFIGURED && t->flag_connected
if (t->device_state == USB_DEVICE_STATE_CONFIGURED && t->flag_connected
&& t->flag_send_ready)
{
uint8_t line[32];
@@ -812,7 +812,7 @@ void
tty_wait_configured (struct tty *t)
{
chopstx_mutex_lock (&t->mtx);
while (t->device_state != CONFIGURED)
while (t->device_state != USB_DEVICE_STATE_CONFIGURED)
chopstx_cond_wait (&t->cnd, &t->mtx);
chopstx_mutex_unlock (&t->mtx);
}