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94b7fee4
编写于
5月 11, 2013
作者:
B
Bernard Xiong
浏览文件
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差异文件
Merge pull request #85 from grissiom/fix-usb-serial
Fix usb serial
上级
c8d85a5c
aa179e44
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
98 addition
and
61 deletion
+98
-61
components/drivers/usb/usbdevice/class/cdc_vcom.c
components/drivers/usb/usbdevice/class/cdc_vcom.c
+82
-41
components/drivers/usb/usbdevice/core/core.c
components/drivers/usb/usbdevice/core/core.c
+16
-20
未找到文件。
components/drivers/usb/usbdevice/class/cdc_vcom.c
浏览文件 @
94b7fee4
...
...
@@ -20,15 +20,24 @@
#ifdef RT_USB_DEVICE_CDC
#define CDC_RX_BUFSIZE
64
#define CDC_RX_BUFSIZE
2048
#define CDC_TX_BUFSIZE 2048
static
rt_uint8_t
rx_
pool
[
CDC_RX_BUFSIZE
];
static
rt_uint8_t
tx_
pool
[
CDC_TX_BUFSIZE
];
static
rt_uint8_t
rx_
rbp
[
CDC_RX_BUFSIZE
];
static
rt_uint8_t
tx_
rbp
[
CDC_TX_BUFSIZE
];
static
struct
rt_ringbuffer
rx_ringbuffer
;
static
struct
rt_ringbuffer
tx_ringbuffer
;
static
struct
rt_serial_device
vcom_serial
;
static
struct
serial_ringbuffer
vcom_int_rx
;
static
struct
rt_serial_device
vcom_serial
;
#define CDC_MaxPacketSize 64
ALIGN
(
RT_ALIGN_SIZE
)
static
rt_uint8_t
rx_buf
[
CDC_RX_BUFSIZE
];
ALIGN
(
RT_ALIGN_SIZE
)
static
rt_uint8_t
tx_buf
[
CDC_TX_BUFSIZE
];
static
rt_bool_t
vcom_connected
=
RT_FALSE
;
static
rt_bool_t
vcom_in_sending
=
RT_FALSE
;
static
struct
udevice_descriptor
dev_desc
=
{
...
...
@@ -38,7 +47,7 @@ static struct udevice_descriptor dev_desc =
USB_CLASS_CDC
,
//bDeviceClass;
0x00
,
//bDeviceSubClass;
0x00
,
//bDeviceProtocol;
0x40
,
//bMaxPacketSize0;
CDC_MaxPacketSize
,
//bMaxPacketSize0;
_VENDOR_ID
,
//idVendor;
_PRODUCT_ID
,
//idProduct;
USB_BCD_DEVICE
,
//bcdDevice;
...
...
@@ -153,25 +162,44 @@ const static char* _ustring[] =
static
rt_err_t
_ep_in_handler
(
udevice_t
device
,
uclass_t
cls
,
rt_size_t
size
)
{
rt_uint32_t
level
;
rt_
size_t
length
;
rt_
uint32_t
remain
;
cdc_eps_t
eps
;
rt_size_t
mps
;
eps
=
(
cdc_eps_t
)
cls
->
eps
;
mps
=
eps
->
ep_in
->
ep_desc
->
wMaxPacketSize
;
size
=
RT_RINGBUFFER_SIZE
(
&
tx_ringbuffer
);
if
(
size
==
0
)
return
RT_EOK
;
level
=
rt_hw_interrupt_disable
();
remain
=
RT_RINGBUFFER_SIZE
(
&
tx_ringbuffer
);
if
(
remain
!=
0
)
{
length
=
size
>
mps
?
mps
:
size
;
vcom_in_sending
=
RT_TRUE
;
rt_ringbuffer_get
(
&
tx_ringbuffer
,
eps
->
ep_in
->
buffer
,
remain
);
rt_hw_interrupt_enable
(
level
);
level
=
rt_hw_interrupt_disable
();
rt_ringbuffer_get
(
&
tx_ringbuffer
,
eps
->
ep_in
->
buffer
,
length
);
rt_hw_interrupt_enable
(
level
);
/* send data to host */
dcd_ep_write
(
device
->
dcd
,
eps
->
ep_in
,
eps
->
ep_in
->
buffer
,
remain
);
/* send data to host */
dcd_ep_write
(
device
->
dcd
,
eps
->
ep_in
,
eps
->
ep_in
->
buffer
,
length
);
return
RT_EOK
;
}
return
RT_EOK
;
if
(
size
!=
0
&&
(
size
%
CDC_MaxPacketSize
)
==
0
)
{
/* don't have data right now. Send a zero-length-packet to
* terminate the transaction.
*
* FIXME: actually, this might not be the right place to send zlp.
* Only the rt_device_write could know how much data is sending. */
vcom_in_sending
=
RT_TRUE
;
rt_hw_interrupt_enable
(
level
);
dcd_ep_write
(
device
->
dcd
,
eps
->
ep_in
,
RT_NULL
,
0
);
return
RT_EOK
;
}
else
{
vcom_in_sending
=
RT_FALSE
;
rt_hw_interrupt_enable
(
level
);
return
RT_EOK
;
}
}
/**
...
...
@@ -192,6 +220,7 @@ static rt_err_t _ep_out_handler(udevice_t device, uclass_t cls, rt_size_t size)
eps
=
(
cdc_eps_t
)
cls
->
eps
;
/* receive data from USB VCOM */
level
=
rt_hw_interrupt_disable
();
rt_ringbuffer_put
(
&
rx_ringbuffer
,
eps
->
ep_out
->
buffer
,
size
);
rt_hw_interrupt_enable
(
level
);
...
...
@@ -337,8 +366,8 @@ static rt_err_t _class_run(udevice_t device, uclass_t cls)
RT_DEBUG_LOG
(
RT_DEBUG_USB
,
(
"cdc class run
\n
"
));
eps
=
(
cdc_eps_t
)
cls
->
eps
;
eps
->
ep_in
->
buffer
=
tx_pool
;
eps
->
ep_out
->
buffer
=
rx_pool
;
eps
->
ep_in
->
buffer
=
tx_buf
;
eps
->
ep_out
->
buffer
=
rx_buf
;
dcd_ep_read
(
device
->
dcd
,
eps
->
ep_out
,
eps
->
ep_out
->
buffer
,
eps
->
ep_out
->
ep_desc
->
wMaxPacketSize
);
...
...
@@ -373,31 +402,27 @@ static rt_err_t _class_sof_handler(udevice_t device, uclass_t cls)
{
rt_uint32_t
level
;
rt_size_t
size
;
static
rt_uint32_t
frame_count
=
0
;
cdc_eps_t
eps
;
if
(
vcom_connected
!=
RT_TRUE
)
return
-
RT_ERROR
;
eps
=
(
cdc_eps_t
)
cls
->
eps
;
if
(
frame_count
++
==
5
)
{
rt_size_t
mps
=
eps
->
ep_in
->
ep_desc
->
wMaxPacketSize
;
if
(
vcom_connected
!=
RT_TRUE
)
return
-
RT_ERROR
;
/* reset the frame counter */
frame_count
=
0
;
if
(
vcom_in_sending
)
return
RT_EOK
;
size
=
RT_RINGBUFFER_SIZE
(
&
tx_ringbuffer
);
if
(
size
==
0
)
return
-
RT_EFULL
;
eps
=
(
cdc_eps_t
)
cls
->
eps
;
size
=
size
>
mps
?
mps
:
size
;
size
=
RT_RINGBUFFER_SIZE
(
&
tx_ringbuffer
);
if
(
size
==
0
)
return
-
RT_EFULL
;
level
=
rt_hw_interrupt_disable
();
rt_ringbuffer_get
(
&
tx_ringbuffer
,
eps
->
ep_in
->
buffer
,
size
);
rt_hw_interrupt_enable
(
level
);
level
=
rt_hw_interrupt_disable
();
rt_ringbuffer_get
(
&
tx_ringbuffer
,
eps
->
ep_in
->
buffer
,
size
);
rt_hw_interrupt_enable
(
level
);
/* send data to host */
dcd_ep_write
(
device
->
dcd
,
eps
->
ep_in
,
eps
->
ep_in
->
buffer
,
size
)
;
}
/* send data to host */
vcom_in_sending
=
RT_TRUE
;
dcd_ep_write
(
device
->
dcd
,
eps
->
ep_in
,
eps
->
ep_in
->
buffer
,
size
);
return
RT_EOK
;
}
...
...
@@ -534,8 +559,24 @@ static rt_err_t _vcom_control(struct rt_serial_device *serial,
static
int
_vcom_putc
(
struct
rt_serial_device
*
serial
,
char
c
)
{
rt_uint32_t
level
;
int
cnt
=
500
;
if
(
vcom_connected
!=
RT_TRUE
)
return
0
;
if
(
vcom_connected
!=
RT_TRUE
)
return
0
;
/* if the buffer is full, there is a chance that the host would pull some
* data out soon. But we cannot rely on that and if we wait to long, just
* return. */
for
(
cnt
=
500
;
RT_RINGBUFFER_EMPTY
(
&
tx_ringbuffer
)
==
0
&&
cnt
;
cnt
--
)
{
rt_kprintf
(
"wait for %d
\n
"
,
cnt
);
if
(
vcom_connected
!=
RT_TRUE
)
return
0
;
}
if
(
cnt
==
0
)
return
0
;
level
=
rt_hw_interrupt_disable
();
if
(
RT_RINGBUFFER_EMPTY
(
&
tx_ringbuffer
))
...
...
@@ -579,8 +620,8 @@ void rt_usb_vcom_init(void)
struct
serial_configure
config
;
/* initialize ring buffer */
rt_ringbuffer_init
(
&
rx_ringbuffer
,
rx_
pool
,
CDC_RX_BUFSIZE
);
rt_ringbuffer_init
(
&
tx_ringbuffer
,
tx_
pool
,
CDC_TX_BUFSIZE
);
rt_ringbuffer_init
(
&
rx_ringbuffer
,
rx_
rbp
,
CDC_RX_BUFSIZE
);
rt_ringbuffer_init
(
&
tx_ringbuffer
,
tx_
rbp
,
CDC_TX_BUFSIZE
);
config
.
baud_rate
=
BAUD_RATE_115200
;
config
.
bit_order
=
BIT_ORDER_LSB
;
...
...
@@ -595,7 +636,7 @@ void rt_usb_vcom_init(void)
/* register vcom device */
rt_hw_serial_register
(
&
vcom_serial
,
"vcom"
,
RT_DEVICE_FLAG_RDWR
|
RT_DEVICE_FLAG_INT_RX
|
RT_DEVICE_FLAG_STREAM
,
RT_DEVICE_FLAG_RDWR
|
RT_DEVICE_FLAG_INT_RX
,
RT_NULL
);
}
...
...
components/drivers/usb/usbdevice/core/core.c
浏览文件 @
94b7fee4
...
...
@@ -1294,39 +1294,35 @@ static void rt_usbd_thread_entry(void* parameter)
uep_t
ep
;
/* receive message */
if
(
rt_mq_recv
(
usb_mq
,
&
msg
,
sizeof
(
struct
udev_msg
),
RT_WAITING_FOREVER
)
!=
RT_EOK
)
continue
;
if
(
rt_mq_recv
(
usb_mq
,
&
msg
,
sizeof
(
struct
udev_msg
),
RT_WAITING_FOREVER
)
!=
RT_EOK
)
continue
;
device
=
rt_usbd_find_device
(
msg
.
dcd
);
if
(
device
==
RT_NULL
)
{
rt_kprintf
(
"invalid usb device
\n
"
);
continue
;
}
switch
(
msg
.
type
)
{
case
USB_MSG_SETUP_NOTIFY
:
device
=
rt_usbd_find_device
(
msg
.
dcd
);
if
(
device
!=
RT_NULL
)
_setup_request
(
device
,
(
ureq_t
)
msg
.
content
.
setup_msg
.
packet
);
else
rt_kprintf
(
"invalid usb device
\n
"
);
case
USB_MSG_SOF
:
_sof_notify
(
device
);
break
;
case
USB_MSG_DATA_NOTIFY
:
device
=
rt_usbd_find_device
(
msg
.
dcd
);
if
(
device
==
RT_NULL
)
{
rt_kprintf
(
"invalid usb device
\n
"
);
break
;
}
ep
=
rt_usbd_find_endpoint
(
device
,
&
cls
,
msg
.
content
.
ep_msg
.
ep_addr
);
if
(
ep
!=
RT_NULL
)
ep
->
handler
(
device
,
cls
,
msg
.
content
.
ep_msg
.
size
);
else
rt_kprintf
(
"invalid endpoint
\n
"
);
break
;
case
USB_MSG_SOF
:
device
=
rt_usbd_find_device
(
msg
.
dcd
);
if
(
device
!=
RT_NULL
)
_sof_notify
(
device
);
else
rt_kprintf
(
"invalid usb device
\n
"
);
case
USB_MSG_SETUP_NOTIFY
:
_setup_request
(
device
,
(
ureq_t
)
msg
.
content
.
setup_msg
.
packet
);
break
;
default:
rt_kprintf
(
"unknown msg type
\n
"
);
break
;
}
}
...
...
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