hci early wip; refactor supervisor bluetooth.c for nrf: tested

2 files changed, 117 insertions, 0 deletions

diff --git a/ports/nrf/supervisor/bluetooth.c b/ports/nrf/supervisor/bluetooth.c
new file mode 100644
index 000000000..8d89d6272
--- /dev/null
+++ b/ports/nrf/supervisor/bluetooth.c
@@ -0,0 +1,81 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019 Scott Shawcroft 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 "supervisor/shared/bluetooth.h"
+#include "supervisor/bluetooth.h"
+
+// This happens in an interrupt so we need to be quick.
+bool supervisor_bluetooth_hook(ble_evt_t *ble_evt) {
+#if CIRCUITPY_BLE_FILE_SERVICE
+    // Catch writes to filename or contents. Length is read-only.
+
+    bool done = false;
+    switch (ble_evt->header.evt_id) {
+        case BLE_GAP_EVT_CONNECTED:
+            // We run our background task even if it wasn't us connected to because we may want to
+            // advertise if the user code stopped advertising.
+            run_ble_background = true;
+            break;
+        case BLE_GAP_EVT_DISCONNECTED:
+            run_ble_background = true;
+            break;
+        case BLE_GATTS_EVT_WRITE: {
+            // A client wrote to a characteristic.
+
+            ble_gatts_evt_write_t *evt_write = &ble_evt->evt.gatts_evt.params.write;
+            // Event handle must match the handle for my characteristic.
+            if (evt_write->handle == supervisor_ble_contents_characteristic.handle) {
+                // Handle events
+                //write_to_ringbuf(self, evt_write->data, evt_write->len);
+                // First packet includes a uint16_t le for length at the start.
+                uint16_t current_length = ((uint16_t*) current_command)[0];
+                memcpy(((uint8_t*) current_command) + current_offset, evt_write->data, evt_write->len);
+                current_offset += evt_write->len;
+                current_length = ((uint16_t*) current_command)[0];
+                if (current_offset == current_length) {
+                    run_ble_background = true;
+                    done = true;
+                }
+            } else if (evt_write->handle == supervisor_ble_filename_characteristic.handle) {
+                new_filename = true;
+                run_ble_background = true;
+                done = true;
+            } else {
+                return done;
+            }
+            break;
+        }
+
+        default:
+            // For debugging.
+            // mp_printf(&mp_plat_print, "Unhandled peripheral event: 0x%04x\n", ble_evt->header.evt_id);
+            break;
+    }
+    return done;
+#else
+    return false;
+#endif
+}
diff --git a/ports/nrf/supervisor/bluetooth.h b/ports/nrf/supervisor/bluetooth.h
new file mode 100644
index 000000000..425de07e4
--- /dev/null
+++ b/ports/nrf/supervisor/bluetooth.h
@@ -0,0 +1,36 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019 Scott Shawcroft 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_NRF_SUPERVISOR_BLUETOOTH_H
+#define MICROPY_INCLUDED_NRF_SUPERVISOR_BLUETOOTH_H
+
+#include <stdbool.h>
+
+#include "ble.h"
+
+bool supervisor_bluetooth_hook(ble_evt_t *ble_evt);
+
+#endif // MICROPY_INCLUDED_NRF_SUPERVISOR_BLUETOOTH_H