nrf: Move the UUID class from ubluepy to the shared bleio module

Also added a UUIDType enum-like class for determining UUID type.

1 files changed, 125 insertions, 0 deletions

diff --git a/ports/nrf/common-hal/bleio/UUID.c b/ports/nrf/common-hal/bleio/UUID.c
new file mode 100644
index 000000000..e655589a6
--- /dev/null
+++ b/ports/nrf/common-hal/bleio/UUID.c
@@ -0,0 +1,125 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2016 Glenn Ruben Bakke
+ * Copyright (c) 2018 Artur Pacholec
+ *
+ * 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 "ble_drv.h"
+#include "common-hal/bleio/UUID.h"
+#include "py/objstr.h"
+#include "py/runtime.h"
+#include "shared-bindings/bleio/UUID.h"
+
+#define UUID_STR_16BIT_LEN 6
+#define UUID_STR_128BIT_LEN 36
+
+static uint8_t xdigit_8b_value(byte nibble1, byte nibble2) {
+    return unichar_xdigit_value(nibble1) |
+            (unichar_xdigit_value(nibble2) << 4);
+}
+
+void common_hal_bleio_uuid_construct(bleio_uuid_obj_t *self, const mp_obj_t *uuid) {
+    if (MP_OBJ_IS_INT(*uuid)) {
+        self->type = UUID_TYPE_16BIT;
+
+        self->value[1] = (mp_obj_get_int(*uuid) >> 8) & 0xFF;
+        self->value[0] = (mp_obj_get_int(*uuid) >> 0) & 0xFF;
+        return;
+    }
+
+    if (MP_OBJ_IS_STR(*uuid)) {
+        GET_STR_DATA_LEN(*uuid, str_data, str_len);
+
+        if (str_len == UUID_STR_16BIT_LEN) {
+            self->type = UUID_TYPE_16BIT;
+
+            self->value[0]  = xdigit_8b_value(str_data[5], str_data[4]);
+            self->value[1]  = xdigit_8b_value(str_data[3], str_data[2]);
+        } else if (str_len == UUID_STR_128BIT_LEN) {
+            self->type = UUID_TYPE_128BIT;
+
+            uint8_t buffer[16];
+            buffer[0] = xdigit_8b_value(str_data[35], str_data[34]);
+            buffer[1] = xdigit_8b_value(str_data[33], str_data[32]);
+            buffer[2] = xdigit_8b_value(str_data[31], str_data[30]);
+            buffer[3] = xdigit_8b_value(str_data[29], str_data[28]);
+            buffer[4] = xdigit_8b_value(str_data[27], str_data[26]);
+            buffer[5] = xdigit_8b_value(str_data[25], str_data[24]);
+
+            // 23 '-'
+            buffer[6] = xdigit_8b_value(str_data[22], str_data[21]);
+            buffer[7] = xdigit_8b_value(str_data[20], str_data[19]);
+
+            // 18 '-'
+            buffer[8] = xdigit_8b_value(str_data[17], str_data[16]);
+            buffer[9] = xdigit_8b_value(str_data[15], str_data[14]);
+
+            // 13 '-'
+            buffer[10] = xdigit_8b_value(str_data[12], str_data[11]);
+            buffer[11] = xdigit_8b_value(str_data[10], str_data[9]);
+
+            // 8 '-'
+            self->value[0] = xdigit_8b_value(str_data[7], str_data[6]);
+            self->value[1] = xdigit_8b_value(str_data[5], str_data[4]);
+
+            buffer[14] = xdigit_8b_value(str_data[3], str_data[2]);
+            buffer[15] = xdigit_8b_value(str_data[1], str_data[0]);
+
+            ble_drv_uuid_add_vs(buffer, &self->uuid_vs_idx);
+        } else {
+            nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError,
+                      "Invalid UUID string length"));
+        }
+
+        return;
+    }
+
+    // deep copy
+    if (MP_OBJ_IS_TYPE(*uuid, &bleio_uuid_type)) {
+        bleio_uuid_obj_t *other = MP_OBJ_TO_PTR(*uuid);
+        self->type = other->type;
+        self->uuid_vs_idx = other->uuid_vs_idx;
+        self->value[0] = other->value[0];
+        self->value[1] = other->value[1];
+
+        return;
+    }
+
+    nlr_raise(mp_obj_new_exception_msg_varg(&mp_type_ValueError,
+              "Invalid UUID parameter"));
+}
+
+void common_hal_bleio_uuid_print(bleio_uuid_obj_t *self, const mp_print_t *print) {
+    if (self->type == UUID_TYPE_16BIT) {
+        mp_printf(print, "UUID(uuid: 0x" HEX2_FMT HEX2_FMT ")",
+                  self->value[1], self->value[0]);
+    } else {
+        mp_printf(print, "UUID(uuid: 0x" HEX2_FMT HEX2_FMT ", VS idx: " HEX2_FMT ")",
+                  self->value[1], self->value[0], self->uuid_vs_idx);
+    }
+}
+
+bleio_uuid_type_t common_hal_bleio_uuid_get_type(bleio_uuid_obj_t *self) {
+    return self->type;
+}