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minor update for control xfer

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hathach 2022-03-18 12:51:12 +07:00
parent c063ab4944
commit 85c6d6d37d
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GPG Key ID: 2FA891220FBFD581
1 changed files with 36 additions and 30 deletions
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66
src/host/usbh.c
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@ -110,14 +110,14 @@ typedef struct {
tu_edpt_state_t ep_status[CFG_TUH_ENDPOINT_MAX][2];
#if CFG_TUH_API_EDPT_XFER
struct
{
uint8_t* buffer;
tuh_xfer_cb_t complete_cb;
uintptr_t user_data;
uint16_t buflen;
volatile uint16_t actual_len;
}ep_xfer;
// struct
// {
// uint8_t* buffer;
// tuh_xfer_cb_t complete_cb;
// uintptr_t user_data;
// uint16_t buflen;
// volatile uint16_t actual_len;
// }ep_xfer[[]];
#endif
} usbh_device_t;
@ -247,16 +247,6 @@ static osal_queue_t _usbh_q;
CFG_TUSB_MEM_SECTION CFG_TUSB_MEM_ALIGN
static uint8_t _usbh_ctrl_buf[CFG_TUH_ENUMERATION_BUFSIZE];
//// internal version of tuh_xfer_t
//typedef struct
//{
// uint8_t* buffer;
// tuh_xfer_cb_t complete_cb;
// uintptr_t user_data;
//
// volatile uint16_t actual_len;
//}usbh_xfer_t;
// Control transfer: since most controller does not support multiple control transfer
// on multiple devices concurrently. And control transfer is not used much except enumeration
// We will only execute control transfer one at a time.
@ -267,9 +257,9 @@ struct
tuh_xfer_cb_t complete_cb;
uintptr_t user_data;
volatile uint16_t actual_len;
uint8_t daddr; // transferring device
uint8_t daddr;
volatile uint8_t stage;
volatile uint16_t actual_len;
}_ctrl_xfer;
//------------- Helper Function -------------//
@ -298,6 +288,8 @@ bool tuh_mounted(uint8_t dev_addr)
bool tuh_vid_pid_get(uint8_t dev_addr, uint16_t* vid, uint16_t* pid)
{
*vid = *pid = 0;
usbh_device_t const* dev = get_device(dev_addr);
TU_VERIFY(dev && dev->configured);
@ -327,6 +319,8 @@ void osal_task_delay(uint32_t msec)
// Descriptors Async
//--------------------------------------------------------------------+
// generic helper to get a descriptor
// if blocking, user_data could be pointed to xfer_result
static bool _get_descriptor(uint8_t daddr, uint8_t type, uint8_t index, uint16_t language_id, void* buffer, uint16_t len,
tuh_xfer_cb_t complete_cb, uintptr_t user_data)
{
@ -353,7 +347,15 @@ static bool _get_descriptor(uint8_t daddr, uint8_t type, uint8_t index, uint16_t
.user_data = user_data
};
return tuh_control_xfer(daddr, &xfer);
bool const ret = tuh_control_xfer(daddr, &xfer);
// if blocking, user_data could be pointed to xfer_result
if ( !complete_cb && user_data )
{
*((xfer_result_t*) user_data) = xfer.result;
}
return ret;
}
bool tuh_descriptor_get(uint8_t daddr, uint8_t type, uint8_t index, void* buffer, uint16_t len,
@ -411,6 +413,7 @@ bool tuh_descriptor_get_serial_string(uint8_t daddr, uint16_t language_id, void*
}
// Get HID report descriptor
// if blocking, user_data could be pointed to xfer_result
bool tuh_descriptor_get_hid_report(uint8_t daddr, uint8_t itf_num, uint8_t desc_type, uint8_t index, void* buffer, uint16_t len,
tuh_xfer_cb_t complete_cb, uintptr_t user_data)
{
@ -438,7 +441,15 @@ bool tuh_descriptor_get_hid_report(uint8_t daddr, uint8_t itf_num, uint8_t desc_
.user_data = user_data
};
return tuh_control_xfer(daddr, &xfer);
bool const ret = tuh_control_xfer(daddr, &xfer);
// if blocking, user_data could be pointed to xfer_result
if ( !complete_cb && user_data )
{
*((xfer_result_t*) user_data) = xfer.result;
}
return ret;
}
bool tuh_configuration_set(uint8_t daddr, uint8_t config_num,
@ -549,6 +560,7 @@ bool tuh_init(uint8_t rhport)
TU_LOG2_INT(sizeof(usbh_device_t));
TU_LOG2_INT(sizeof(hcd_event_t));
TU_LOG2_INT(sizeof(_ctrl_xfer));
TU_LOG2_INT(sizeof(tuh_xfer_t));
// Event queue
_usbh_q = osal_queue_create( &_usbh_qdef );
@ -972,14 +984,8 @@ bool tuh_control_xfer (uint8_t daddr, tuh_xfer_t* xfer)
// TODO probably some timeout to prevent hanged
}
// update xfer result
xfer->result = result;
if ( xfer->user_data )
{
// if user_data is not NULL, it is also updated
*((xfer_result_t*) xfer->user_data) = result;
}
// update transfer result
xfer->result = result;
xfer->actual_len = _ctrl_xfer.actual_len;
}