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refactor host control xfer

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This commit is contained in:
hathach 2022-03-10 12:56:15 +07:00
parent b05401a5ab
commit 5e9f522b9a
2 changed files with 27 additions and 19 deletions
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30
src/host/usbh.c
View File

@ -55,6 +55,7 @@
//--------------------------------------------------------------------+
// device0 struct must be strictly a subset of normal device struct
// TODO refactor later
typedef struct
{
// port
@ -70,6 +71,8 @@ typedef struct
volatile uint8_t configured : 1;
volatile uint8_t suspended : 1;
};
uint8_t control_stage; // state of control transfer
} usbh_dev0_t;
typedef struct {
@ -87,12 +90,13 @@ typedef struct {
volatile uint8_t suspended : 1;
};
//------------- device descriptor -------------//
uint8_t ep0_size;
uint8_t control_stage; // state of control transfer
//------------- device descriptor -------------//
uint16_t vid;
uint16_t pid;
uint8_t ep0_size;
uint8_t i_manufacturer;
uint8_t i_product;
uint8_t i_serial;
@ -234,8 +238,8 @@ static void process_device_unplugged(uint8_t rhport, uint8_t hub_addr, uint8_t h
static bool usbh_edpt_control_open(uint8_t dev_addr, uint8_t max_packet_size);
// from usbh_control.c
extern bool usbh_control_xfer (uint8_t dev_addr, tusb_control_request_t const* request, void* buffer, tuh_control_complete_cb_t complete_cb);
extern bool usbh_control_xfer_cb (uint8_t dev_addr, uint8_t ep_addr, xfer_result_t result, uint32_t xferred_bytes);
extern bool usbh_control_xfer (uint8_t daddr, tusb_control_request_t const* request, void* buffer, tuh_control_complete_cb_t complete_cb);
extern uint8_t usbh_control_xfer_cb (uint8_t daddr, uint8_t ep_addr, uint8_t* stage, xfer_result_t result, uint32_t xferred_bytes);
//--------------------------------------------------------------------+
// PUBLIC API (Parameter Verification is required)
@ -274,13 +278,21 @@ void osal_task_delay(uint32_t msec)
#endif
bool tuh_control_xfer (uint8_t dev_addr, tusb_control_request_t const* request, void* buffer, tuh_control_complete_cb_t complete_cb)
bool tuh_control_xfer (uint8_t daddr, tusb_control_request_t const* request, void* buffer, tuh_control_complete_cb_t complete_cb)
{
TU_LOG2("[%u:%u] %s: ", usbh_get_rhport(dev_addr), dev_addr, request->bRequest <= TUSB_REQ_SYNCH_FRAME ? tu_str_std_request[request->bRequest] : "Unknown Request");
TU_LOG2("[%u:%u] %s: ", usbh_get_rhport(daddr), daddr, request->bRequest <= TUSB_REQ_SYNCH_FRAME ? tu_str_std_request[request->bRequest] : "Unknown Request");
TU_LOG2_VAR(request);
TU_LOG2("\r\n");
return usbh_control_xfer(dev_addr, request, buffer, complete_cb);
if (daddr)
{
get_device(daddr)->control_stage = CONTROL_STAGE_SETUP;
}else
{
_dev0.control_stage = CONTROL_STAGE_SETUP;
}
return usbh_control_xfer(daddr, request, buffer, complete_cb);
}
//--------------------------------------------------------------------+
@ -535,7 +547,7 @@ void tuh_task(void)
{
// device 0 only has control endpoint
TU_ASSERT(epnum == 0, );
usbh_control_xfer_cb(event.dev_addr, ep_addr, event.xfer_complete.result, event.xfer_complete.len);
usbh_control_xfer_cb(event.dev_addr, ep_addr, &_dev0.control_stage, event.xfer_complete.result, event.xfer_complete.len);
}
else
{
@ -545,7 +557,7 @@ void tuh_task(void)
if ( 0 == epnum )
{
usbh_control_xfer_cb(event.dev_addr, ep_addr, event.xfer_complete.result, event.xfer_complete.len);
usbh_control_xfer_cb(event.dev_addr, ep_addr, &dev->control_stage, event.xfer_complete.result, event.xfer_complete.len);
}else
{
uint8_t drv_id = dev->ep2drv[epnum][ep_dir];

16
src/host/usbh_control.c
View File

@ -34,8 +34,6 @@
typedef struct
{
tusb_control_request_t request TU_ATTR_ALIGNED(4);
uint8_t stage;
uint8_t* buffer;
tuh_control_complete_cb_t complete_cb;
} usbh_control_xfer_t;
@ -53,7 +51,6 @@ bool usbh_control_xfer (uint8_t dev_addr, tusb_control_request_t const* request,
_ctrl_xfer.request = (*request);
_ctrl_xfer.buffer = buffer;
_ctrl_xfer.stage = CONTROL_STAGE_SETUP;
_ctrl_xfer.complete_cb = complete_cb;
// Send setup packet
@ -65,17 +62,15 @@ bool usbh_control_xfer (uint8_t dev_addr, tusb_control_request_t const* request,
static void _xfer_complete(uint8_t dev_addr, xfer_result_t result)
{
TU_LOG2("\r\n");
_ctrl_xfer.stage = CONTROL_STAGE_IDLE;
if (_ctrl_xfer.complete_cb) _ctrl_xfer.complete_cb(dev_addr, &_ctrl_xfer.request, result);
}
bool usbh_control_xfer_cb (uint8_t dev_addr, uint8_t ep_addr, xfer_result_t result, uint32_t xferred_bytes)
bool usbh_control_xfer_cb (uint8_t dev_addr, uint8_t ep_addr, uint8_t* stage, xfer_result_t result, uint32_t xferred_bytes)
{
(void) ep_addr;
(void) xferred_bytes;
const uint8_t rhport = usbh_get_rhport(dev_addr);
tusb_control_request_t const * request = &_ctrl_xfer.request;
if (XFER_RESULT_SUCCESS != result)
@ -83,13 +78,14 @@ bool usbh_control_xfer_cb (uint8_t dev_addr, uint8_t ep_addr, xfer_result_t resu
TU_LOG2("[%u:%u] Control %s\r\n", rhport, dev_addr, result == XFER_RESULT_STALLED ? "STALLED" : "FAILED");
// terminate transfer if any stage failed
*stage = CONTROL_STAGE_IDLE;
_xfer_complete(dev_addr, result);
}else
{
switch(_ctrl_xfer.stage)
switch(*stage)
{
case CONTROL_STAGE_SETUP:
_ctrl_xfer.stage = CONTROL_STAGE_DATA;
*stage = CONTROL_STAGE_DATA;
if (request->wLength)
{
// DATA stage: initial data toggle is always 1
@ -99,8 +95,7 @@ bool usbh_control_xfer_cb (uint8_t dev_addr, uint8_t ep_addr, xfer_result_t resu
__attribute__((fallthrough));
case CONTROL_STAGE_DATA:
_ctrl_xfer.stage = CONTROL_STAGE_ACK;
*stage = CONTROL_STAGE_ACK;
if (request->wLength)
{
TU_LOG2("[%u:%u] Control data:\r\n", rhport, dev_addr);
@ -112,6 +107,7 @@ bool usbh_control_xfer_cb (uint8_t dev_addr, uint8_t ep_addr, xfer_result_t resu
break;
case CONTROL_STAGE_ACK:
*stage = CONTROL_STAGE_IDLE;
_xfer_complete(dev_addr, result);
break;