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Merge pull request #413 from kasjer/kasjer/ble-over-usb

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Bluetooth HCI transport over USB
This commit is contained in:
Ha Thach
2020-05-31 15:07:56 +07:00
committed by GitHub
parent 7258355e8e 56d46483e4
commit 5efeaf2ac1
6 changed files with 449 additions and 0 deletions
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25
src/device/usbd.c
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@@ -199,6 +199,19 @@ static usbd_class_driver_t const _usbd_driver[] =
.sof = NULL,
},
#endif
#if CFG_TUD_BTH
{
DRIVER_NAME("BTH")
.init = btd_init,
.reset = btd_reset,
.open = btd_open,
.control_request = btd_control_request,
.control_complete = btd_control_complete,
.xfer_cb = btd_xfer_cb,
.sof = NULL
},
#endif
};
enum { USBD_CLASS_DRIVER_COUNT = TU_ARRAY_SIZE(_usbd_driver) };
@@ -507,6 +520,18 @@ static bool process_control_request(uint8_t rhport, tusb_control_request_t const
{
//------------- Device Requests e.g in enumeration -------------//
case TUSB_REQ_RCPT_DEVICE:
if ( TUSB_REQ_TYPE_CLASS == p_request->bmRequestType_bit.type )
{
uint8_t const itf = tu_u16_low(p_request->wIndex);
TU_VERIFY(itf < TU_ARRAY_SIZE(_usbd_dev.itf2drv));
uint8_t const drvid = _usbd_dev.itf2drv[itf];
TU_VERIFY(drvid < USBD_CLASS_DRIVER_COUNT);
// forward to class driver: "non-STD request to Interface"
TU_VERIFY(invoke_class_control(rhport, drvid, p_request));
return true;
}
if ( TUSB_REQ_TYPE_STANDARD != p_request->bmRequestType_bit.type )
{
// Non standard request is not supported

54
src/device/usbd.h
View File

@@ -448,6 +448,60 @@ TU_ATTR_WEAK bool tud_vendor_control_complete_cb(uint8_t rhport, tusb_control_re
/* Endpoint Out */\
7, TUSB_DESC_ENDPOINT, _epout, TUSB_XFER_BULK, U16_TO_U8S_LE(_epsize), 0
//------------- BT Radio -------------//
#define TUD_BT_APP_CLASS (TUSB_CLASS_WIRELESS_CONTROLLER)
#define TUD_BT_APP_SUBCLASS 0x01
#define TUD_BT_PROTOCOL_PRIMARY_CONTROLLER 0x01
#define TUD_BT_PROTOCOL_AMP_CONTROLLER 0x02
#ifndef CFG_TUD_BTH_ISO_ALT_COUNT
#define CFG_TUD_BTH_ISO_ALT_COUNT 0
#endif
// Length of template descriptor: 30 bytes + number of ISO alternatives * 23
#define TUD_BTH_DESC_LEN (9 + 7 + 7 + 7 + (CFG_TUD_BTH_ISO_ALT_COUNT) * (9 + 7 + 7))
/* Primary Interface */
#define TUD_BTH_PRI_ITF(_itfnum, _stridx, _ep_evt, _ep_evt_size, _ep_evt_interval, _ep_in, _ep_out, _ep_size) \
9, TUSB_DESC_INTERFACE, _itfnum, _stridx, 3, TUD_BT_APP_CLASS, TUD_BT_APP_SUBCLASS, TUD_BT_PROTOCOL_PRIMARY_CONTROLLER, 0, \
/* Endpoint In for events */ \
7, TUSB_DESC_ENDPOINT, _ep_evt, TUSB_XFER_INTERRUPT, U16_TO_U8S_LE(_ep_evt_size), _ep_evt_interval, \
/* Endpoint In for ACL data */ \
7, TUSB_DESC_ENDPOINT, _ep_in, TUSB_XFER_BULK, U16_TO_U8S_LE(_ep_size), 1, \
/* Endpoint Out for ACL data */ \
7, TUSB_DESC_ENDPOINT, _ep_out, TUSB_XFER_BULK, U16_TO_U8S_LE(_ep_size), 1
#define TUD_BTH_ISO_ITF(_itfnum, _alt, _ep_in, _ep_out, _n) ,\
/* Interface with 2 endpoints */ \
9, TUSB_DESC_INTERFACE, _itfnum, _alt, 2, TUD_BT_APP_CLASS, TUD_BT_APP_SUBCLASS, TUD_BT_PROTOCOL_PRIMARY_CONTROLLER, 0, \
/* Isochronous endpoints */ \
7, TUSB_DESC_ENDPOINT, _ep_in, TUSB_XFER_ISOCHRONOUS, U16_TO_U8S_LE(_n), 1, \
7, TUSB_DESC_ENDPOINT, _ep_out, TUSB_XFER_ISOCHRONOUS, U16_TO_U8S_LE(_n), 1
#define _FIRST(a, ...) a
#define _REST(a, ...) __VA_ARGS__
#define TUD_BTH_ISO_ITF_0(_itfnum, ...)
#define TUD_BTH_ISO_ITF_1(_itfnum, _ep_in, _ep_out, ...) TUD_BTH_ISO_ITF(_itfnum, (CFG_TUD_BTH_ISO_ALT_COUNT) - 1, _ep_in, _ep_out, _FIRST(__VA_ARGS__))
#define TUD_BTH_ISO_ITF_2(_itfnum, _ep_in, _ep_out, ...) TUD_BTH_ISO_ITF(_itfnum, (CFG_TUD_BTH_ISO_ALT_COUNT) - 2, _ep_in, _ep_out, _FIRST(__VA_ARGS__)) \
TUD_BTH_ISO_ITF_1(_itfnum, _ep_in, _ep_out, _REST(__VA_ARGS__))
#define TUD_BTH_ISO_ITF_3(_itfnum, _ep_in, _ep_out, ...) TUD_BTH_ISO_ITF(_itfnum, (CFG_TUD_BTH_ISO_ALT_COUNT) - 3, _ep_in, _ep_out, _FIRST(__VA_ARGS__)) \
TUD_BTH_ISO_ITF_2(_itfnum, _ep_in, _ep_out, _REST(__VA_ARGS__))
#define TUD_BTH_ISO_ITF_4(_itfnum, _ep_in, _ep_out, ...) TUD_BTH_ISO_ITF(_itfnum, (CFG_TUD_BTH_ISO_ALT_COUNT) - 4, _ep_in, _ep_out, _FIRST(__VA_ARGS__)) \
TUD_BTH_ISO_ITF_3(_itfnum, _ep_in, _ep_out, _REST(__VA_ARGS__))
#define TUD_BTH_ISO_ITF_5(_itfnum, _ep_in, _ep_out, ...) TUD_BTH_ISO_ITF(_itfnum, (CFG_TUD_BTH_ISO_ALT_COUNT) - 5, _ep_in, _ep_out, _FIRST(__VA_ARGS__)) \
TUD_BTH_ISO_ITF_4(_itfnum, _ep_in, _ep_out, _REST(__VA_ARGS__))
#define TUD_BTH_ISO_ITF_6(_itfnum, _ep_in, _ep_out, ...) TUD_BTH_ISO_ITF(_itfnum, (CFG_TUD_BTH_ISO_ALT_COUNT) - 6, _ep_in, _ep_out, _FIRST(__VA_ARGS__)) \
TUD_BTH_ISO_ITF_5(_itfnum, _ep_in, _ep_out, _REST(__VA_ARGS__))
#define TUD_BTH_ISO_ITFS(_itfnum, _ep_in, _ep_out, ...) \
TU_XSTRCAT(TUD_BTH_ISO_ITF_, CFG_TUD_BTH_ISO_ALT_COUNT)(_itfnum, _ep_in, _ep_out, __VA_ARGS__)
// BT Primary controller descriptor
// Interface number, string index, attributes, event endpoint, event endpoint size, interval, data in, data out, data endpoint size, iso endpoint sizes
#define TUD_BTH_DESCRIPTOR(_itfnum, _stridx, _ep_evt, _ep_evt_size, _ep_evt_interval, _ep_in, _ep_out, _ep_size,...) \
TUD_BTH_PRI_ITF(_itfnum, _stridx, _ep_evt, _ep_evt_size, _ep_evt_interval, _ep_in, _ep_out, _ep_size) \
TUD_BTH_ISO_ITFS(_itfnum + 1, _ep_in + 1, _ep_out + 1, __VA_ARGS__)
#ifdef __cplusplus
}