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BLE: Increase mtu (#837)
* Incease mtu & buffer size * bt: process mtu size in RPC callbacks Co-authored-by: Tony Freeman <tonyfreeman@users.noreply.github.com> Co-authored-by: gornekich <n.gorbadey@gmail.com>
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c6cb6ae810
7 changed files with 52 additions and 23 deletions
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@ -132,9 +132,9 @@ static void bt_rpc_send_bytes_callback(void* context, uint8_t* bytes, size_t byt
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size_t bytes_sent = 0;
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while(bytes_sent < bytes_len) {
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size_t bytes_remain = bytes_len - bytes_sent;
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if(bytes_remain > FURI_HAL_BT_SERIAL_PACKET_SIZE_MAX) {
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furi_hal_bt_serial_tx(&bytes[bytes_sent], FURI_HAL_BT_SERIAL_PACKET_SIZE_MAX);
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bytes_sent += FURI_HAL_BT_SERIAL_PACKET_SIZE_MAX;
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if(bytes_remain > bt->max_packet_size) {
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furi_hal_bt_serial_tx(&bytes[bytes_sent], bt->max_packet_size);
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bytes_sent += bt->max_packet_size;
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} else {
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furi_hal_bt_serial_tx(&bytes[bytes_sent], bytes_remain);
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bytes_sent += bytes_remain;
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@ -139,7 +139,7 @@
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/**
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* Maximum supported ATT_MTU size
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*/
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#define CFG_BLE_MAX_ATT_MTU (251)
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#define CFG_BLE_MAX_ATT_MTU (489)
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/**
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* Size of the storage area for Attribute values
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@ -184,17 +184,31 @@ bool serial_svc_is_started() {
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return serial_svc != NULL;
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}
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bool serial_svc_update_tx(uint8_t* data, uint8_t data_len) {
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bool serial_svc_update_tx(uint8_t* data, uint16_t data_len) {
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if(data_len > SERIAL_SVC_DATA_LEN_MAX) {
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return false;
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}
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tBleStatus result = aci_gatt_update_char_value(serial_svc->svc_handle,
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serial_svc->tx_char_handle,
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for(uint16_t remained = data_len; remained > 0;) {
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uint8_t value_len = MIN(SERIAL_SVC_CHAR_VALUE_LEN_MAX, remained);
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uint16_t value_offset = data_len - remained;
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remained -= value_len;
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tBleStatus result = aci_gatt_update_char_value_ext(
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0,
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serial_svc->svc_handle,
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serial_svc->tx_char_handle,
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remained ? 0x00 : 0x02,
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data_len,
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data);
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if(result) {
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FURI_LOG_E(TAG, "Failed updating TX characteristic: %d", result);
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value_offset,
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value_len,
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data + value_offset);
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if(result) {
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FURI_LOG_E(TAG, "Failed updating TX characteristic: %d", result);
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return false;
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}
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}
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return result != BLE_STATUS_SUCCESS;
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return true;
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}
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@ -3,7 +3,7 @@
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#include <stdint.h>
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#include <stdbool.h>
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#define SERIAL_SVC_DATA_LEN_MAX (248)
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#define SERIAL_SVC_DATA_LEN_MAX (486)
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#ifdef __cplusplus
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extern "C" {
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@ -36,7 +36,7 @@ void serial_svc_stop();
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bool serial_svc_is_started();
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bool serial_svc_update_tx(uint8_t* data, uint8_t data_len);
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bool serial_svc_update_tx(uint8_t* data, uint16_t data_len);
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#ifdef __cplusplus
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}
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@ -139,7 +139,7 @@
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/**
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* Maximum supported ATT_MTU size
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*/
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#define CFG_BLE_MAX_ATT_MTU (251)
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#define CFG_BLE_MAX_ATT_MTU (489)
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/**
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* Size of the storage area for Attribute values
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@ -184,17 +184,31 @@ bool serial_svc_is_started() {
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return serial_svc != NULL;
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}
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bool serial_svc_update_tx(uint8_t* data, uint8_t data_len) {
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bool serial_svc_update_tx(uint8_t* data, uint16_t data_len) {
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if(data_len > SERIAL_SVC_DATA_LEN_MAX) {
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return false;
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}
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tBleStatus result = aci_gatt_update_char_value(serial_svc->svc_handle,
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serial_svc->tx_char_handle,
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for(uint16_t remained = data_len; remained > 0;) {
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uint8_t value_len = MIN(SERIAL_SVC_CHAR_VALUE_LEN_MAX, remained);
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uint16_t value_offset = data_len - remained;
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remained -= value_len;
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tBleStatus result = aci_gatt_update_char_value_ext(
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0,
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serial_svc->svc_handle,
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serial_svc->tx_char_handle,
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remained ? 0x00 : 0x02,
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data_len,
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data);
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if(result) {
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FURI_LOG_E(TAG, "Failed updating TX characteristic: %d", result);
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value_offset,
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value_len,
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data + value_offset);
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if(result) {
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FURI_LOG_E(TAG, "Failed updating TX characteristic: %d", result);
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return false;
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}
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}
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return result != BLE_STATUS_SUCCESS;
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return true;
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}
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@ -3,7 +3,8 @@
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#include <stdint.h>
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#include <stdbool.h>
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#define SERIAL_SVC_DATA_LEN_MAX (248)
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#define SERIAL_SVC_DATA_LEN_MAX (486)
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#define SERIAL_SVC_CHAR_VALUE_LEN_MAX (243)
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#ifdef __cplusplus
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extern "C" {
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@ -36,7 +37,7 @@ void serial_svc_stop();
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bool serial_svc_is_started();
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bool serial_svc_update_tx(uint8_t* data, uint8_t data_len);
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bool serial_svc_update_tx(uint8_t* data, uint16_t data_len);
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#ifdef __cplusplus
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}
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