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[FL-2053] BLE MTU processing #830

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Co-authored-by: あく <alleteam@gmail.com>
This commit is contained in:
gornekich 2021-11-21 17:47:54 +03:00 committed by GitHub
parent 013ed64cbb
commit a5052a0375
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GPG key ID: 4AEE18F83AFDEB23
8 changed files with 34 additions and 5 deletions
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10
applications/bt/bt_service/bt.c
View file

@ -55,6 +55,8 @@ static void bt_battery_level_changed_callback(const void* _event, void* context)
Bt* bt_alloc() {
Bt* bt = furi_alloc(sizeof(Bt));
// Init default maximum packet size
bt->max_packet_size = FURI_HAL_BT_PACKET_SIZE_MAX;
// Load settings
if(!bt_settings_load(&bt->bt_settings)) {
bt_settings_save(&bt->bt_settings);
@ -113,9 +115,9 @@ static void bt_rpc_send_bytes_callback(void* context, uint8_t* bytes, size_t byt
size_t bytes_sent = 0;
while(bytes_sent < bytes_len) {
size_t bytes_remain = bytes_len - bytes_sent;
if(bytes_remain > FURI_HAL_BT_PACKET_SIZE_MAX) {
furi_hal_bt_tx(&bytes[bytes_sent], FURI_HAL_BT_PACKET_SIZE_MAX);
bytes_sent += FURI_HAL_BT_PACKET_SIZE_MAX;
if(bytes_remain > bt->max_packet_size) {
furi_hal_bt_tx(&bytes[bytes_sent], bt->max_packet_size);
bytes_sent += bt->max_packet_size;
} else {
furi_hal_bt_tx(&bytes[bytes_sent], bytes_remain);
bytes_sent += bytes_remain;
@ -177,6 +179,8 @@ static void bt_on_gap_event_callback(BleEvent event, void* context) {
BtMessage message = {
.type = BtMessageTypePinCodeShow, .data.pin_code = event.data.pin_code};
furi_check(osMessageQueuePut(bt->message_queue, &message, 0, osWaitForever) == osOK);
} else if(event.type == BleEventTypeUpdateMTU) {
bt->max_packet_size = event.data.max_packet_size;
}
}

1
applications/bt/bt_service/bt_i.h
View file

@ -41,6 +41,7 @@ typedef struct {
struct Bt {
uint8_t* bt_keys_addr_start;
uint16_t bt_keys_size;
uint16_t max_packet_size;
BtSettings bt_settings;
BtStatus status;
osMessageQueueId_t message_queue;

10
firmware/targets/f6/ble-glue/gap.c
View file

@ -155,6 +155,16 @@ SVCCTL_UserEvtFlowStatus_t SVCCTL_App_Notification( void *pckt )
}
break;
case EVT_BLUE_ATT_EXCHANGE_MTU_RESP:
{
aci_att_exchange_mtu_resp_event_rp0 *pr = (void*)blue_evt->data;
FURI_LOG_I(TAG, "Rx MTU size: %d", pr->Server_RX_MTU);
// Set maximum packet size given header size is 3 bytes
BleEvent event = {.type = BleEventTypeUpdateMTU, .data.max_packet_size = pr->Server_RX_MTU - 3};
gap->on_event_cb(event, gap->context);
}
break;
case EVT_BLUE_GAP_AUTHORIZATION_REQUEST:
FURI_LOG_I(TAG, "Authorization request event");
break;

2
firmware/targets/f6/ble-glue/gap.h
View file

@ -13,10 +13,12 @@ typedef enum {
BleEventTypeStartAdvertising,
BleEventTypeStopAdvertising,
BleEventTypePinCodeShow,
BleEventTypeUpdateMTU,
} BleEventType;
typedef union {
uint32_t pin_code;
uint16_t max_packet_size;
} BleEventData;
typedef struct {

2
firmware/targets/f6/ble-glue/serial_service.h
View file

@ -3,7 +3,7 @@
#include <stdint.h>
#include <stdbool.h>
#define SERIAL_SVC_DATA_LEN_MAX (245)
#define SERIAL_SVC_DATA_LEN_MAX (248)
#ifdef __cplusplus
extern "C" {

10
firmware/targets/f7/ble-glue/gap.c
View file

@ -155,6 +155,16 @@ SVCCTL_UserEvtFlowStatus_t SVCCTL_App_Notification( void *pckt )
}
break;
case EVT_BLUE_ATT_EXCHANGE_MTU_RESP:
{
aci_att_exchange_mtu_resp_event_rp0 *pr = (void*)blue_evt->data;
FURI_LOG_I(TAG, "Rx MTU size: %d", pr->Server_RX_MTU);
// Set maximum packet size given header size is 3 bytes
BleEvent event = {.type = BleEventTypeUpdateMTU, .data.max_packet_size = pr->Server_RX_MTU - 3};
gap->on_event_cb(event, gap->context);
}
break;
case EVT_BLUE_GAP_AUTHORIZATION_REQUEST:
FURI_LOG_I(TAG, "Authorization request event");
break;

2
firmware/targets/f7/ble-glue/gap.h
View file

@ -13,10 +13,12 @@ typedef enum {
BleEventTypeStartAdvertising,
BleEventTypeStopAdvertising,
BleEventTypePinCodeShow,
BleEventTypeUpdateMTU,
} BleEventType;
typedef union {
uint32_t pin_code;
uint16_t max_packet_size;
} BleEventData;
typedef struct {

2
firmware/targets/f7/ble-glue/serial_service.h
View file

@ -3,7 +3,7 @@
#include <stdint.h>
#include <stdbool.h>
#define SERIAL_SVC_DATA_LEN_MAX (245)
#define SERIAL_SVC_DATA_LEN_MAX (248)
#ifdef __cplusplus
extern "C" {