diff options
Diffstat (limited to 'tinyusb/src/class/bth')
| -rwxr-xr-x | tinyusb/src/class/bth/bth_device.c | 254 | ||||
| -rwxr-xr-x | tinyusb/src/class/bth/bth_device.h | 109 |
2 files changed, 0 insertions, 363 deletions
diff --git a/tinyusb/src/class/bth/bth_device.c b/tinyusb/src/class/bth/bth_device.c deleted file mode 100755 index 1d27ae7c..00000000 --- a/tinyusb/src/class/bth/bth_device.c +++ /dev/null @@ -1,254 +0,0 @@ -/* - * The MIT License (MIT) - * - * Copyright (c) 2020 Jerzy Kasenberg - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - * - * This file is part of the TinyUSB stack. - */ - -#include "tusb_option.h" - -#if (TUSB_OPT_DEVICE_ENABLED && CFG_TUD_BTH) - -//--------------------------------------------------------------------+ -// INCLUDE -//--------------------------------------------------------------------+ -#include "bth_device.h" -#include <device/usbd_pvt.h> - -//--------------------------------------------------------------------+ -// MACRO CONSTANT TYPEDEF -//--------------------------------------------------------------------+ -typedef struct -{ - uint8_t itf_num; - uint8_t ep_ev; - uint8_t ep_acl_in; - uint8_t ep_acl_out; - uint8_t ep_voice[2]; // Not used yet - uint8_t ep_voice_size[2][CFG_TUD_BTH_ISO_ALT_COUNT]; - - // Endpoint Transfer buffer - CFG_TUSB_MEM_ALIGN bt_hci_cmd_t hci_cmd; - CFG_TUSB_MEM_ALIGN uint8_t epout_buf[CFG_TUD_BTH_DATA_EPSIZE]; - -} btd_interface_t; - -//--------------------------------------------------------------------+ -// INTERNAL OBJECT & FUNCTION DECLARATION -//--------------------------------------------------------------------+ -CFG_TUSB_MEM_SECTION btd_interface_t _btd_itf; - -static bool bt_tx_data(uint8_t ep, void *data, uint16_t len) -{ - // skip if previous transfer not complete - TU_VERIFY(!usbd_edpt_busy(TUD_OPT_RHPORT, ep)); - - TU_ASSERT(usbd_edpt_xfer(TUD_OPT_RHPORT, ep, data, len)); - - return true; -} - -//--------------------------------------------------------------------+ -// READ API -//--------------------------------------------------------------------+ - - -//--------------------------------------------------------------------+ -// WRITE API -//--------------------------------------------------------------------+ - -bool tud_bt_event_send(void *event, uint16_t event_len) -{ - return bt_tx_data(_btd_itf.ep_ev, event, event_len); -} - -bool tud_bt_acl_data_send(void *event, uint16_t event_len) -{ - return bt_tx_data(_btd_itf.ep_acl_in, event, event_len); -} - -//--------------------------------------------------------------------+ -// USBD Driver API -//--------------------------------------------------------------------+ -void btd_init(void) -{ - tu_memclr(&_btd_itf, sizeof(_btd_itf)); -} - -void btd_reset(uint8_t rhport) -{ - (void)rhport; -} - -uint16_t btd_open(uint8_t rhport, tusb_desc_interface_t const *itf_desc, uint16_t max_len) -{ - tusb_desc_endpoint_t const *desc_ep; - uint16_t drv_len = 0; - // Size of single alternative of ISO interface - const uint16_t iso_alt_itf_size = sizeof(tusb_desc_interface_t) + 2 * sizeof(tusb_desc_endpoint_t); - // Size of hci interface - const uint16_t hci_itf_size = sizeof(tusb_desc_interface_t) + 3 * sizeof(tusb_desc_endpoint_t); - // Ensure this is BT Primary Controller - TU_VERIFY(TUSB_CLASS_WIRELESS_CONTROLLER == itf_desc->bInterfaceClass && - TUD_BT_APP_SUBCLASS == itf_desc->bInterfaceSubClass && - TUD_BT_PROTOCOL_PRIMARY_CONTROLLER == itf_desc->bInterfaceProtocol, 0); - - // Distinguish interface by number of endpoints, as both interface have same class, subclass and protocol - if (itf_desc->bNumEndpoints == 3 && max_len >= hci_itf_size) - { - _btd_itf.itf_num = itf_desc->bInterfaceNumber; - - desc_ep = (tusb_desc_endpoint_t const *) tu_desc_next(itf_desc); - - TU_ASSERT(TUSB_DESC_ENDPOINT == desc_ep->bDescriptorType && TUSB_XFER_INTERRUPT == desc_ep->bmAttributes.xfer, 0); - TU_ASSERT(usbd_edpt_open(rhport, desc_ep), 0); - _btd_itf.ep_ev = desc_ep->bEndpointAddress; - - // Open endpoint pair - TU_ASSERT(usbd_open_edpt_pair(rhport, tu_desc_next(desc_ep), 2, TUSB_XFER_BULK, &_btd_itf.ep_acl_out, - &_btd_itf.ep_acl_in), 0); - - // Prepare for incoming data from host - TU_ASSERT(usbd_edpt_xfer(rhport, _btd_itf.ep_acl_out, _btd_itf.epout_buf, CFG_TUD_BTH_DATA_EPSIZE), 0); - - drv_len = hci_itf_size; - } - else if (itf_desc->bNumEndpoints == 2 && max_len >= iso_alt_itf_size) - { - uint8_t dir; - - desc_ep = (tusb_desc_endpoint_t const *)tu_desc_next(itf_desc); - TU_ASSERT(itf_desc->bAlternateSetting < CFG_TUD_BTH_ISO_ALT_COUNT, 0); - TU_ASSERT(desc_ep->bDescriptorType == TUSB_DESC_ENDPOINT, 0); - dir = tu_edpt_dir(desc_ep->bEndpointAddress); - _btd_itf.ep_voice[dir] = desc_ep->bEndpointAddress; - // Store endpoint size for alternative - _btd_itf.ep_voice_size[dir][itf_desc->bAlternateSetting] = (uint8_t)desc_ep->wMaxPacketSize.size; - - desc_ep = (tusb_desc_endpoint_t const *)tu_desc_next(desc_ep); - TU_ASSERT(desc_ep->bDescriptorType == TUSB_DESC_ENDPOINT, 0); - dir = tu_edpt_dir(desc_ep->bEndpointAddress); - _btd_itf.ep_voice[dir] = desc_ep->bEndpointAddress; - // Store endpoint size for alternative - _btd_itf.ep_voice_size[dir][itf_desc->bAlternateSetting] = (uint8_t)desc_ep->wMaxPacketSize.size; - drv_len += iso_alt_itf_size; - - for (int i = 1; i < CFG_TUD_BTH_ISO_ALT_COUNT && drv_len + iso_alt_itf_size <= max_len; ++i) { - // Make sure rest of alternatives matches - itf_desc = (tusb_desc_interface_t const *)tu_desc_next(desc_ep); - if (itf_desc->bDescriptorType != TUSB_DESC_INTERFACE || - TUSB_CLASS_WIRELESS_CONTROLLER != itf_desc->bInterfaceClass || - TUD_BT_APP_SUBCLASS != itf_desc->bInterfaceSubClass || - TUD_BT_PROTOCOL_PRIMARY_CONTROLLER != itf_desc->bInterfaceProtocol) - { - // Not an Iso interface instance - break; - } - TU_ASSERT(itf_desc->bAlternateSetting < CFG_TUD_BTH_ISO_ALT_COUNT, 0); - - desc_ep = (tusb_desc_endpoint_t const *)tu_desc_next(itf_desc); - dir = tu_edpt_dir(desc_ep->bEndpointAddress); - // Verify that alternative endpoint are same as first ones - TU_ASSERT(desc_ep->bDescriptorType == TUSB_DESC_ENDPOINT && - _btd_itf.ep_voice[dir] == desc_ep->bEndpointAddress, 0); - _btd_itf.ep_voice_size[dir][itf_desc->bAlternateSetting] = (uint8_t)desc_ep->wMaxPacketSize.size; - - desc_ep = (tusb_desc_endpoint_t const *)tu_desc_next(desc_ep); - dir = tu_edpt_dir(desc_ep->bEndpointAddress); - // Verify that alternative endpoint are same as first ones - TU_ASSERT(desc_ep->bDescriptorType == TUSB_DESC_ENDPOINT && - _btd_itf.ep_voice[dir] == desc_ep->bEndpointAddress, 0); - _btd_itf.ep_voice_size[dir][itf_desc->bAlternateSetting] = (uint8_t)desc_ep->wMaxPacketSize.size; - drv_len += iso_alt_itf_size; - } - } - - return drv_len; -} - -// Invoked when a control transfer occurred on an interface of this class -// Driver response accordingly to the request and the transfer stage (setup/data/ack) -// return false to stall control endpoint (e.g unsupported request) -bool btd_control_xfer_cb(uint8_t rhport, uint8_t stage, tusb_control_request_t const *request) -{ - (void)rhport; - - if ( stage == CONTROL_STAGE_SETUP ) - { - if (request->bmRequestType_bit.type == TUSB_REQ_TYPE_CLASS && - request->bmRequestType_bit.recipient == TUSB_REQ_RCPT_DEVICE) - { - // HCI command packet addressing for single function Primary Controllers - TU_VERIFY(request->bRequest == 0 && request->wValue == 0 && request->wIndex == 0); - } - else if (request->bmRequestType_bit.recipient == TUSB_REQ_RCPT_INTERFACE) - { - if (request->bRequest == TUSB_REQ_SET_INTERFACE && _btd_itf.itf_num + 1 == request->wIndex) - { - // TODO: Set interface it would involve changing size of endpoint size - } - else - { - // HCI command packet for Primary Controller function in a composite device - TU_VERIFY(request->bRequest == 0 && request->wValue == 0 && request->wIndex == _btd_itf.itf_num); - } - } - else return false; - - return tud_control_xfer(rhport, request, &_btd_itf.hci_cmd, request->wLength); - } - else if ( stage == CONTROL_STAGE_DATA ) - { - // Handle class request only - TU_VERIFY(request->bmRequestType_bit.type == TUSB_REQ_TYPE_CLASS); - - if (tud_bt_hci_cmd_cb) tud_bt_hci_cmd_cb(&_btd_itf.hci_cmd, request->wLength); - } - - return true; -} - -bool btd_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint32_t xferred_bytes) -{ - (void)result; - - // received new data from host - if (ep_addr == _btd_itf.ep_acl_out) - { - if (tud_bt_acl_data_received_cb) tud_bt_acl_data_received_cb(_btd_itf.epout_buf, xferred_bytes); - - // prepare for next data - TU_ASSERT(usbd_edpt_xfer(rhport, _btd_itf.ep_acl_out, _btd_itf.epout_buf, CFG_TUD_BTH_DATA_EPSIZE)); - } - else if (ep_addr == _btd_itf.ep_ev) - { - if (tud_bt_event_sent_cb) tud_bt_event_sent_cb((uint16_t)xferred_bytes); - } - else if (ep_addr == _btd_itf.ep_acl_in) - { - if (tud_bt_acl_data_sent_cb) tud_bt_acl_data_sent_cb((uint16_t)xferred_bytes); - } - - return true; -} - -#endif diff --git a/tinyusb/src/class/bth/bth_device.h b/tinyusb/src/class/bth/bth_device.h deleted file mode 100755 index 1b90d091..00000000 --- a/tinyusb/src/class/bth/bth_device.h +++ /dev/null @@ -1,109 +0,0 @@ -/* - * The MIT License (MIT) - * - * Copyright (c) 2020 Jerzy Kasenberg - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - * - * This file is part of the TinyUSB stack. - */ - -#ifndef _TUSB_BTH_DEVICE_H_ -#define _TUSB_BTH_DEVICE_H_ - -#include <common/tusb_common.h> -#include <device/usbd.h> - -//--------------------------------------------------------------------+ -// Class Driver Configuration -//--------------------------------------------------------------------+ -#ifndef CFG_TUD_BTH_EVENT_EPSIZE -#define CFG_TUD_BTH_EVENT_EPSIZE 16 -#endif -#ifndef CFG_TUD_BTH_DATA_EPSIZE -#define CFG_TUD_BTH_DATA_EPSIZE 64 -#endif - -typedef struct TU_ATTR_PACKED -{ - uint16_t op_code; - uint8_t param_length; - uint8_t param[255]; -} bt_hci_cmd_t; - -#ifdef __cplusplus - extern "C" { -#endif - -//--------------------------------------------------------------------+ -// Application Callback API (weak is optional) -//--------------------------------------------------------------------+ - -// Invoked when HCI command was received over USB from Bluetooth host. -// Detailed format is described in Bluetooth core specification Vol 2, -// Part E, 5.4.1. -// Length of the command is from 3 bytes (2 bytes for OpCode, -// 1 byte for parameter total length) to 258. -TU_ATTR_WEAK void tud_bt_hci_cmd_cb(void *hci_cmd, size_t cmd_len); - -// Invoked when ACL data was received over USB from Bluetooth host. -// Detailed format is described in Bluetooth core specification Vol 2, -// Part E, 5.4.2. -// Length is from 4 bytes, (12 bits for Handle, 4 bits for flags -// and 16 bits for data total length) to endpoint size. -TU_ATTR_WEAK void tud_bt_acl_data_received_cb(void *acl_data, uint16_t data_len); - -// Called when event sent with tud_bt_event_send() was delivered to BT stack. -// Controller can release/reuse buffer with Event packet at this point. -TU_ATTR_WEAK void tud_bt_event_sent_cb(uint16_t sent_bytes); - -// Called when ACL data that was sent with tud_bt_acl_data_send() -// was delivered to BT stack. -// Controller can release/reuse buffer with ACL packet at this point. -TU_ATTR_WEAK void tud_bt_acl_data_sent_cb(uint16_t sent_bytes); - -// Bluetooth controller calls this function when it wants to send even packet -// as described in Bluetooth core specification Vol 2, Part E, 5.4.4. -// Event has at least 2 bytes, first is Event code second contains parameter -// total length. Controller can release/reuse event memory after -// tud_bt_event_sent_cb() is called. -bool tud_bt_event_send(void *event, uint16_t event_len); - -// Bluetooth controller calls this to send ACL data packet -// as described in Bluetooth core specification Vol 2, Part E, 5.4.2 -// Minimum length is 4 bytes, (12 bits for Handle, 4 bits for flags -// and 16 bits for data total length). Upper limit is not limited -// to endpoint size since buffer is allocate by controller -// and must not be reused till tud_bt_acl_data_sent_cb() is called. -bool tud_bt_acl_data_send(void *acl_data, uint16_t data_len); - -//--------------------------------------------------------------------+ -// Internal Class Driver API -//--------------------------------------------------------------------+ -void btd_init (void); -void btd_reset (uint8_t rhport); -uint16_t btd_open (uint8_t rhport, tusb_desc_interface_t const * itf_desc, uint16_t max_len); -bool btd_control_xfer_cb (uint8_t rhport, uint8_t stage, tusb_control_request_t const *request); -bool btd_xfer_cb (uint8_t rhport, uint8_t edpt_addr, xfer_result_t result, uint32_t xferred_bytes); - -#ifdef __cplusplus - } -#endif - -#endif /* _TUSB_BTH_DEVICE_H_ */ |