esp32: Implement BLE using Nimble from IDF 4.x.

1 files changed, 57 insertions, 0 deletions

diff --git a/ports/esp32/nimble.c b/ports/esp32/nimble.c
new file mode 100644
index 000000000..3747ae0f3
--- /dev/null
+++ b/ports/esp32/nimble.c
@@ -0,0 +1,57 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2019 Jim Mussared
+ *
+ * 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 "py/mperrno.h"
+#include "py/mphal.h"
+
+#if MICROPY_PY_BLUETOOTH && MICROPY_BLUETOOTH_NIMBLE
+
+#include "esp_nimble_hci.h"
+#include "nimble/nimble_port.h"
+#include "nimble/nimble_port_freertos.h"
+
+STATIC void ble_host_task(void *param) {
+     nimble_port_run(); //This function will return only when nimble_port_stop() is executed.
+     nimble_port_freertos_deinit();
+}
+
+void mp_bluetooth_nimble_port_preinit(void) {
+    esp_nimble_hci_and_controller_init();
+}
+
+void mp_bluetooth_nimble_port_postinit(void) {
+    nimble_port_freertos_init(ble_host_task);
+}
+
+void mp_bluetooth_nimble_port_deinit(void) {
+    nimble_port_stop();
+}
+
+void mp_bluetooth_nimble_port_start(void) {
+}
+
+#endif