diff --git a/library.properties b/library.properties index b6d464cc..fe38ae83 100644 --- a/library.properties +++ b/library.properties @@ -6,5 +6,5 @@ sentence=Enables BLE connectivity on the Arduino MKR WiFi 1010, Arduino UNO WiFi paragraph=This library supports creating a BLE peripheral and BLE central mode. category=Communication url=https://www.arduino.cc/en/Reference/ArduinoBLE -architectures=samd,megaavr,mbed,apollo3,mbed_nano,mbed_portenta +architectures=samd,megaavr,mbed,apollo3,mbed_nano,mbed_portenta,esp32 includes=ArduinoBLE.h diff --git a/src/utility/HCIUartTransport.cpp b/src/utility/HCIUartTransport.cpp index 67bc173f..d23a3d3f 100644 --- a/src/utility/HCIUartTransport.cpp +++ b/src/utility/HCIUartTransport.cpp @@ -17,7 +17,7 @@ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ -#if !defined(ARDUINO_ARCH_MBED) || defined(TARGET_NANO_RP2040_CONNECT) +#if !defined(ARDUINO_ARCH_MBED) && !defined(ESP32) || defined(TARGET_NANO_RP2040_CONNECT) #include "HCIUartTransport.h" diff --git a/src/utility/HCIVirtualTransport.cpp b/src/utility/HCIVirtualTransport.cpp new file mode 100644 index 00000000..85f75ca2 --- /dev/null +++ b/src/utility/HCIVirtualTransport.cpp @@ -0,0 +1,151 @@ +/* + This file is part of the ArduinoBLE library. + Copyright (c) 2018 Arduino SA. All rights reserved. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA +*/ + +#if defined(ESP32) + +#include "HCIVirtualTransport.h" + +StreamBufferHandle_t rec_buffer; +StreamBufferHandle_t send_buffer; + + +static void notify_host_send_available(void) +{ +} + +static int notify_host_recv(uint8_t *data, uint16_t length) +{ + for (uint8_t i = 0; i < length; i++) { + char b = data[i]; + } + xStreamBufferSend(rec_buffer,data,length,portMAX_DELAY); // !!!potentially waiting forever + return 0; +} + +static esp_vhci_host_callback_t vhci_host_cb = { + notify_host_send_available, + notify_host_recv +}; + +void bleTask(void *pvParameters) +{ + esp_vhci_host_register_callback(&vhci_host_cb); + size_t length; + uint8_t mybuf[256]; + + while(true){ + length = xStreamBufferReceive(send_buffer,mybuf,256,portMAX_DELAY); + while (!esp_vhci_host_check_send_available()) {} + for (uint8_t i = 0; i < length; i++) { + char b = mybuf[i]; + } + esp_vhci_host_send_packet(mybuf, length); + } +} + + +HCIVirtualTransportClass::HCIVirtualTransportClass() +{ +} + +HCIVirtualTransportClass::~HCIVirtualTransportClass() +{ +} + +int HCIVirtualTransportClass::begin() +{ + btStarted(); // this somehow stops the arduino ide from initializing bluedroid + + rec_buffer = xStreamBufferCreate(258, 1); + send_buffer = xStreamBufferCreate(258, 1); + + esp_err_t ret = nvs_flash_init(); + if (ret == ESP_ERR_NVS_NO_FREE_PAGES || ret == ESP_ERR_NVS_NEW_VERSION_FOUND) { + ESP_ERROR_CHECK(nvs_flash_erase()); + ret = nvs_flash_init(); + } + ESP_ERROR_CHECK( ret ); + esp_bt_controller_config_t bt_cfg = BT_CONTROLLER_INIT_CONFIG_DEFAULT(); +#if CONFIG_IDF_TARGET_ESP32C3 + bt_cfg.bluetooth_mode = ESP_BT_MODE_BLE; +#else + bt_cfg.mode = ESP_BT_MODE_BLE; +#endif + ret = esp_bt_controller_mem_release(ESP_BT_MODE_CLASSIC_BT); + if (ret) { + return 0; + } + if ((ret = esp_bt_controller_init(&bt_cfg)) != ESP_OK) { + return 0; + } + if ((ret = esp_bt_controller_enable(ESP_BT_MODE_BLE)) != ESP_OK) { + return 0; + } + xTaskCreatePinnedToCore(&bleTask, "bleTask", 2048, NULL, 5, NULL, 0); + return 1; +} + +void HCIVirtualTransportClass::end() +{ + vStreamBufferDelete(rec_buffer); + vStreamBufferDelete(send_buffer); + esp_bt_controller_deinit(); +} + +void HCIVirtualTransportClass::wait(unsigned long timeout) +{ + for (unsigned long start = (esp_timer_get_time() / 1000ULL); ((esp_timer_get_time() / 1000ULL) - start) < timeout;) { + if (available()) { + break; + } + } +} + +int HCIVirtualTransportClass::available() +{ + size_t bytes = xStreamBufferBytesAvailable(rec_buffer); + return bytes; +} + +// never called +int HCIVirtualTransportClass::peek() +{ + return -1; +} + +int HCIVirtualTransportClass::read() +{ + uint8_t c; + if(xStreamBufferReceive(rec_buffer, &c, 1, portMAX_DELAY)) { + return c; + } + return -1; +} + +size_t HCIVirtualTransportClass::write(const uint8_t* data, size_t length) +{ + size_t result = xStreamBufferSend(send_buffer,data,length,portMAX_DELAY); + return result; +} + +HCIVirtualTransportClass HCIVirtualTransport; + +HCITransportInterface& HCITransport = HCIVirtualTransport; + +#endif diff --git a/src/utility/HCIVirtualTransport.h b/src/utility/HCIVirtualTransport.h new file mode 100644 index 00000000..0da43cac --- /dev/null +++ b/src/utility/HCIVirtualTransport.h @@ -0,0 +1,50 @@ +/* + This file is part of the ArduinoBLE library. + Copyright (c) 2018 Arduino SA. All rights reserved. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA +*/ + +#include "HCITransport.h" +#include +#include +#include + +#include "freertos/FreeRTOS.h" +#include "freertos/task.h" +#include "freertos/stream_buffer.h" + +#include "esp_bt.h" +#include "nvs_flash.h" + +#include "esp32-hal-bt.h" // this is needed to disable bluedroid + + +class HCIVirtualTransportClass : public HCITransportInterface { +public: + HCIVirtualTransportClass(); + virtual ~HCIVirtualTransportClass(); + + virtual int begin(); + virtual void end(); + + virtual void wait(unsigned long timeout); + + virtual int available(); + virtual int peek(); + virtual int read(); + + virtual size_t write(const uint8_t* data, size_t length); +}; \ No newline at end of file