Merge pull request #3310 from dhalbert/ble_hci

_bleio HCI implementation

Author: tannewt

devices/ble_hci/common-hal/_bleio/Adapter.c

@@ -0,0 +1,99 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2018 Dan Halbert for Adafruit Industries
+ * Copyright (c) 2018 Artur Pacholec
+ * Copyright (c) 2016 Glenn Ruben Bakke
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef MICROPY_INCLUDED_BLE_HCI_COMMON_HAL_ADAPTER_H
+#define MICROPY_INCLUDED_BLE_HCI_COMMON_HAL_ADAPTER_H
+
+#include "py/obj.h"
+#include "py/objtuple.h"
+
+#include "shared-bindings/_bleio/Characteristic.h"
+#include "shared-bindings/_bleio/Connection.h"
+#include "shared-bindings/_bleio/ScanResults.h"
+#include "shared-bindings/busio/UART.h"
+#include "shared-bindings/digitalio/DigitalInOut.h"
+
+#ifndef BLEIO_TOTAL_CONNECTION_COUNT
+#define BLEIO_TOTAL_CONNECTION_COUNT 5
+#endif
+
+extern bleio_connection_internal_t bleio_connections[BLEIO_TOTAL_CONNECTION_COUNT];
+
+typedef struct _bleio_adapter_obj_t {
+    mp_obj_base_t base;
+    bleio_scanresults_obj_t *scan_results;
+    mp_obj_t name;
+    mp_obj_tuple_t *connection_objs;
+    busio_uart_obj_t* hci_uart;
+    digitalio_digitalinout_obj_t *rts_digitalinout;
+    digitalio_digitalinout_obj_t *cts_digitalinout;
+    bool allocated;  // True when in use.
+    bool now_advertising;
+    bool extended_advertising;
+    bool circuitpython_advertising;
+    bool enabled;
+
+    // HCI adapter version info.
+    uint8_t hci_version;
+    uint8_t lmp_version;
+    uint16_t hci_revision;
+    uint16_t manufacturer;
+    uint16_t lmp_subversion;
+
+    // Used to monitor advertising timeout for legacy avertising.
+    uint64_t advertising_start_ticks;
+    uint64_t advertising_timeout_msecs;  // If zero, do not check.
+
+    // Generic services characteristics.
+    bleio_characteristic_obj_t *device_name_characteristic;
+    bleio_characteristic_obj_t *appearance_characteristic;
+    bleio_characteristic_obj_t * service_changed_characteristic;
+
+    uint16_t max_acl_buffer_len;
+    uint16_t max_acl_num_buffers;
+    uint16_t max_adv_data_len;
+    uint8_t features[8];        // Supported BLE features.
+
+    // All the local attributes for this device. The index into the list
+    // corresponds to the handle.
+    mp_obj_list_t *attributes;
+    // Handle for last added service. Characteristics can only be added immediately after
+    // the service they belong to. This vets that.
+    uint16_t last_added_service_handle;
+    uint16_t last_added_characteristic_handle;
+} bleio_adapter_obj_t;
+
+uint16_t bleio_adapter_add_attribute(bleio_adapter_obj_t *adapter, mp_obj_t *attribute);
+void bleio_adapter_advertising_was_stopped(bleio_adapter_obj_t *self);
+mp_obj_t* bleio_adapter_get_attribute(bleio_adapter_obj_t *adapter, uint16_t handle);
+uint16_t bleio_adapter_max_attribute_handle(bleio_adapter_obj_t *adapter);
+void bleio_adapter_background(bleio_adapter_obj_t* adapter);
+void bleio_adapter_gc_collect(bleio_adapter_obj_t* adapter);
+void bleio_adapter_reset(bleio_adapter_obj_t* adapter);
+
+#endif // MICROPY_INCLUDED_BLE_HCI_COMMON_HAL_ADAPTER_H

devices/ble_hci/common-hal/_bleio/Adapter.h

@@ -0,0 +1,49 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019 Dan Halbert for Adafruit Industries
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "py/runtime.h"
+
+#include "shared-bindings/_bleio/Attribute.h"
+#include "shared-bindings/_bleio/Characteristic.h"
+#include "shared-bindings/_bleio/Descriptor.h"
+#include "shared-bindings/_bleio/Service.h"
+
+
+bleio_uuid_obj_t *bleio_attribute_get_uuid(mp_obj_t *attribute) {
+    if (MP_OBJ_IS_TYPE(attribute, &bleio_characteristic_type)) {
+        bleio_characteristic_obj_t *characteristic = MP_OBJ_TO_PTR(attribute);
+        return characteristic->uuid;
+    }
+    if (MP_OBJ_IS_TYPE(attribute, &bleio_descriptor_type)) {
+        bleio_descriptor_obj_t *descriptor = MP_OBJ_TO_PTR(attribute);
+        return descriptor->uuid;
+    }
+    if (MP_OBJ_IS_TYPE(attribute, &bleio_service_type)) {
+        bleio_service_obj_t *service = MP_OBJ_TO_PTR(attribute);
+        return service->uuid;
+    }
+    mp_raise_RuntimeError(translate("Invalid BLE attribute"));
+}

devices/ble_hci/common-hal/_bleio/Attribute.c

@@ -0,0 +1,35 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2020 Dan Halbert for Adafruit Industries
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef MICROPY_INCLUDED_BLE_HCI_COMMON_HAL_ATTRIBUTE_H
+#define MICROPY_INCLUDED_BLE_HCI_COMMON_HAL_ATTRIBUTE_H
+
+#include "shared-module/_bleio/Attribute.h"
+#include "shared-bindings/_bleio/UUID.h"
+
+bleio_uuid_obj_t *bleio_attribute_get_uuid(mp_obj_t *attribute);
+
+#endif // MICROPY_INCLUDED_BLE_HCI_COMMON_HAL_ATTRIBUTE_H