nick/DS5Dongle-OLED-Edition-steam-machine
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increase bt interrupt mtu

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This commit is contained in:
awalol
2026-05-07 20:28:08 +08:00
parent e79c76276f
commit 33c44907b6
1 changed files with 11 additions and 7 deletions
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src/bt.cpp
+11 -7
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@@ -17,13 +17,15 @@
#include "config.h"
#include "pico/util/queue.h"
#define MTU 672
#define MTU_CONTROL 256
#define MTU_INTERRUPT 1691
using std::unordered_map;
using std::vector;
using std::queue;
static void hci_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size);
static void l2cap_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *packet, uint16_t size);
static btstack_packet_callback_registration_t hci_event_callback_registration, l2cap_event_callback_registration;
@@ -36,6 +38,7 @@ static uint16_t hid_interrupt_cid;
static bt_data_callback_t bt_data_callback = nullptr;
unordered_map<uint8_t, vector<uint8_t> > feature_data;
queue_t send_fifo;
struct send_element {
uint8_t data[512];
size_t len;
@@ -74,14 +77,14 @@ void bt_l2cap_init() {
l2cap_add_event_handler(&l2cap_event_callback_registration);
// 修复重连后自动断开的关键点
sdp_init();
l2cap_register_service(l2cap_packet_handler, PSM_HID_CONTROL, MTU, LEVEL_2);
l2cap_register_service(l2cap_packet_handler, PSM_HID_INTERRUPT, MTU, LEVEL_2);
l2cap_register_service(l2cap_packet_handler, PSM_HID_CONTROL, MTU_CONTROL, LEVEL_2);
l2cap_register_service(l2cap_packet_handler, PSM_HID_INTERRUPT, MTU_INTERRUPT, LEVEL_2);
l2cap_init();
}
int bt_init() {
queue_init(&send_fifo, sizeof(send_element), 2);
queue_init(&send_fifo, sizeof(send_element), 10);
bt_l2cap_init();
@@ -268,10 +271,11 @@ static void hci_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t *p
printf("[L2CAP] Open HID channels\n");
if (new_pair) {
if (hid_control_cid == 0) {
l2cap_create_channel(l2cap_packet_handler, current_device_addr, PSM_HID_CONTROL, MTU,
l2cap_create_channel(l2cap_packet_handler, current_device_addr, PSM_HID_CONTROL, MTU_CONTROL,
&hid_control_cid);
} else if (hid_interrupt_cid == 0) {
l2cap_create_channel(l2cap_packet_handler, current_device_addr, PSM_HID_INTERRUPT, MTU,
l2cap_create_channel(l2cap_packet_handler, current_device_addr, PSM_HID_INTERRUPT,
MTU_INTERRUPT,
&hid_interrupt_cid);
}
}
@@ -381,7 +385,7 @@ static void l2cap_packet_handler(uint8_t packet_type, uint16_t channel, uint8_t
// SetStateData
0xfd, 0xf7, 0x0, 0x0,
0x7f, 0x7f, // Headphones, Speaker
0xff, 0x9, 0x0, 0xf, 0x0, 0x0, 0x0, 0x0,
0xff, 0x9, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xa,