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add tuh_descriptor_get() and tuh_descriptor_device_get()

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This commit is contained in:
hathach
2022-03-04 19:26:54 +07:00
parent 3a7d1cfead
commit e08a875d52
4 changed files with 58 additions and 47 deletions
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64
src/host/usbh.c
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@@ -96,7 +96,7 @@ typedef struct {
//------------- device -------------//
volatile uint8_t state; // device state, value from enum tusbh_device_state_t
uint8_t itf2drv[16]; // map interface number to driver (0xff is invalid)
uint8_t itf2drv[8]; // map interface number to driver (0xff is invalid)
uint8_t ep2drv[CFG_TUH_ENDPOINT_MAX][2]; // map endpoint to driver ( 0xff is invalid )
struct TU_ATTR_PACKED
@@ -253,6 +253,34 @@ bool tuh_vid_pid_get(uint8_t dev_addr, uint16_t* vid, uint16_t* pid)
return true;
}
bool tuh_descriptor_get(uint8_t daddr, uint8_t type, uint8_t index,
void* buffer, uint16_t len, tuh_control_complete_cb_t complete_cb)
{
tusb_control_request_t const request =
{
.bmRequestType_bit =
{
.recipient = TUSB_REQ_RCPT_DEVICE,
.type = TUSB_REQ_TYPE_STANDARD,
.direction = TUSB_DIR_IN
},
.bRequest = TUSB_REQ_GET_DESCRIPTOR,
.wValue = tu_htole16( TU_U16(type, index) ),
.wIndex = 0,
.wLength = len
};
TU_ASSERT( tuh_control_xfer(daddr, &request, buffer, complete_cb) );
return true;
}
bool tuh_descriptor_device_get(uint8_t daddr, void* buffer, uint16_t len, tuh_control_complete_cb_t complete_cb)
{
return tuh_descriptor_get(daddr, TUSB_DESC_DEVICE, 0, buffer, len, complete_cb);
}
uint8_t tuh_i_manufacturer_get(uint8_t dev_addr) {
TU_VERIFY(tuh_mounted(dev_addr));
usbh_device_t const* dev = get_device(dev_addr);
@@ -338,7 +366,6 @@ bool tuh_init(uint8_t rhport)
if (_usbh_initialized) return _usbh_initialized;
TU_LOG2("USBH init\r\n");
TU_LOG2_INT(sizeof(usbh_device_t));
tu_memclr(_usbh_devices, sizeof(_usbh_devices));
@@ -785,23 +812,10 @@ static bool enum_request_addr0_device_desc(void)
uint8_t const addr0 = 0;
TU_ASSERT( usbh_edpt_control_open(addr0, 8) );
//------------- Get first 8 bytes of device descriptor to get Control Endpoint Size -------------//
// Get first 8 bytes of device descriptor for Control Endpoint size
TU_LOG2("Get 8 byte of Device Descriptor\r\n");
tusb_control_request_t const request =
{
.bmRequestType_bit =
{
.recipient = TUSB_REQ_RCPT_DEVICE,
.type = TUSB_REQ_TYPE_STANDARD,
.direction = TUSB_DIR_IN
},
.bRequest = TUSB_REQ_GET_DESCRIPTOR,
.wValue = TUSB_DESC_DEVICE << 8,
.wIndex = 0,
.wLength = 8
};
TU_ASSERT( tuh_control_xfer(addr0, &request, _usbh_ctrl_buf, enum_get_addr0_device_desc_complete) );
TU_ASSERT(tuh_descriptor_device_get(addr0, _usbh_ctrl_buf, 8, enum_get_addr0_device_desc_complete));
return true;
}
@@ -909,22 +923,8 @@ static bool enum_set_address_complete(uint8_t dev_addr, tusb_control_request_t c
// Get full device descriptor
TU_LOG2("Get Device Descriptor\r\n");
tusb_control_request_t const new_request =
{
.bmRequestType_bit =
{
.recipient = TUSB_REQ_RCPT_DEVICE,
.type = TUSB_REQ_TYPE_STANDARD,
.direction = TUSB_DIR_IN
},
.bRequest = TUSB_REQ_GET_DESCRIPTOR,
.wValue = TUSB_DESC_DEVICE << 8,
.wIndex = 0,
.wLength = sizeof(tusb_desc_device_t)
};
TU_ASSERT(tuh_control_xfer(new_addr, &new_request, _usbh_ctrl_buf, enum_get_device_desc_complete));
TU_ASSERT(tuh_descriptor_device_get(new_addr, _usbh_ctrl_buf, sizeof(tusb_desc_device_t), enum_get_device_desc_complete));
return true;
}