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dominschdominsch
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add esp32 support
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4 files changed

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-2
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4 files changed

+199
-2
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‎library.properties

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -6,5 +6,5 @@ sentence=Enables BLE connectivity on the Arduino MKR WiFi 1010, Arduino UNO WiFi
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paragraph=This library supports creating a BLE peripheral and BLE central mode.
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category=Communication
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url=https://www.arduino.cc/en/Reference/ArduinoBLE
9-
architectures=samd,megaavr,mbed,apollo3,mbed_nano,mbed_portenta
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architectures=samd,megaavr,mbed,apollo3,mbed_nano,mbed_portenta,esp32
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includes=ArduinoBLE.h

‎src/utility/HCIUartTransport.cpp

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -17,7 +17,7 @@
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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20-
#if !defined(ARDUINO_ARCH_MBED) || defined(TARGET_NANO_RP2040_CONNECT)
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#if !defined(ARDUINO_ARCH_MBED) && !defined(ESP32) || defined(TARGET_NANO_RP2040_CONNECT)
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#include "HCIUartTransport.h"
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‎src/utility/HCIVirtualTransport.cpp

Lines changed: 147 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,147 @@
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/*
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This file is part of the ArduinoBLE library.
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Copyright (c) 2018 Arduino SA. All rights reserved.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#if defined(ESP32)
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#include "HCIVirtualTransport.h"
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StreamBufferHandle_t rec_buffer;
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StreamBufferHandle_t send_buffer;
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static void notify_host_send_available(void)
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{
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}
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static int notify_host_recv(uint8_t *data, uint16_t length)
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{
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for (uint8_t i = 0; i < length; i++) {
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char b = data[i];
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}
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xStreamBufferSend(rec_buffer,data,length,portMAX_DELAY); // !!!potentially waiting forever
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return 0;
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}
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static esp_vhci_host_callback_t vhci_host_cb = {
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notify_host_send_available,
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notify_host_recv
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};
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void bleTask(void *pvParameters)
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{
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esp_vhci_host_register_callback(&vhci_host_cb);
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size_t length;
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uint8_t mybuf[256];
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while(true){
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length = xStreamBufferReceive(send_buffer,mybuf,256,portMAX_DELAY);
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while (!esp_vhci_host_check_send_available()) {}
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for (uint8_t i = 0; i < length; i++) {
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char b = mybuf[i];
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}
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esp_vhci_host_send_packet(mybuf, length);
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}
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}
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HCIVirtualTransportClass::HCIVirtualTransportClass()
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{
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}
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HCIVirtualTransportClass::~HCIVirtualTransportClass()
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{
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}
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int HCIVirtualTransportClass::begin()
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{
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btStarted(); // this somehow stops the arduino ide from initializing bluedroid
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rec_buffer = xStreamBufferCreate(258, 1);
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send_buffer = xStreamBufferCreate(258, 1);
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esp_err_t ret = nvs_flash_init();
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if (ret == ESP_ERR_NVS_NO_FREE_PAGES || ret == ESP_ERR_NVS_NEW_VERSION_FOUND) {
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ESP_ERROR_CHECK(nvs_flash_erase());
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ret = nvs_flash_init();
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}
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ESP_ERROR_CHECK( ret );
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esp_bt_controller_config_t bt_cfg = BT_CONTROLLER_INIT_CONFIG_DEFAULT();
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bt_cfg.mode = ESP_BT_MODE_BLE;
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ret = esp_bt_controller_mem_release(ESP_BT_MODE_CLASSIC_BT);
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if (ret) {
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return 0;
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}
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if ((ret = esp_bt_controller_init(&bt_cfg)) != ESP_OK) {
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return 0;
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}
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if ((ret = esp_bt_controller_enable(ESP_BT_MODE_BLE)) != ESP_OK) {
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return 0;
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}
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xTaskCreatePinnedToCore(&bleTask, "bleTask", 2048, NULL, 5, NULL, 0);
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return 1;
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}
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void HCIVirtualTransportClass::end()
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{
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vStreamBufferDelete(rec_buffer);
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vStreamBufferDelete(send_buffer);
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esp_bt_controller_deinit();
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}
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void HCIVirtualTransportClass::wait(unsigned long timeout)
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{
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for (unsigned long start = (esp_timer_get_time() / 1000ULL); ((esp_timer_get_time() / 1000ULL) - start) < timeout;) {
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if (available()) {
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break;
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}
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}
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}
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int HCIVirtualTransportClass::available()
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{
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size_t bytes = xStreamBufferBytesAvailable(rec_buffer);
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return bytes;
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}
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// never called
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int HCIVirtualTransportClass::peek()
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{
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return -1;
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}
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int HCIVirtualTransportClass::read()
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{
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uint8_t c;
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if(xStreamBufferReceive(rec_buffer, &c, 1, portMAX_DELAY)) {
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return c;
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}
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return -1;
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}
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size_t HCIVirtualTransportClass::write(const uint8_t* data, size_t length)
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{
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size_t result = xStreamBufferSend(send_buffer,data,length,portMAX_DELAY);
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return result;
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}
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HCIVirtualTransportClass HCIVirtualTransport;
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HCITransportInterface& HCITransport = HCIVirtualTransport;
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#endif

‎src/utility/HCIVirtualTransport.h

Lines changed: 50 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,50 @@
1+
/*
2+
This file is part of the ArduinoBLE library.
3+
Copyright (c) 2018 Arduino SA. All rights reserved.
4+
5+
This library is free software; you can redistribute it and/or
6+
modify it under the terms of the GNU Lesser General Public
7+
License as published by the Free Software Foundation; either
8+
version 2.1 of the License, or (at your option) any later version.
9+
10+
This library is distributed in the hope that it will be useful,
11+
but WITHOUT ANY WARRANTY; without even the implied warranty of
12+
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13+
Lesser General Public License for more details.
14+
15+
You should have received a copy of the GNU Lesser General Public
16+
License along with this library; if not, write to the Free Software
17+
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18+
*/
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20+
#include "HCITransport.h"
21+
#include <stdint.h>
22+
#include <stdio.h>
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#include <string.h>
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25+
#include "freertos/FreeRTOS.h"
26+
#include "freertos/task.h"
27+
#include "freertos/stream_buffer.h"
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29+
#include "esp_bt.h"
30+
#include "nvs_flash.h"
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32+
#include "esp32-hal-bt.h" // this is needed to disable bluedroid
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35+
class HCIVirtualTransportClass : public HCITransportInterface {
36+
public:
37+
HCIVirtualTransportClass();
38+
virtual ~HCIVirtualTransportClass();
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40+
virtual int begin();
41+
virtual void end();
42+
43+
virtual void wait(unsigned long timeout);
44+
45+
virtual int available();
46+
virtual int peek();
47+
virtual int read();
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49+
virtual size_t write(const uint8_t* data, size_t length);
50+
};

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