Implement Zephyr bleio connect and disconnect

Rework the conn_handle related functions because they are port-internal
API.

Signed-off-by: Scott Shawcroft <scott@tannewt.org>

Author: tannewt

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

@@ -61,6 +61,7 @@ typedef struct {
     uint8_t disconnect_reason;
 } bleio_connection_obj_t;
 
+void common_hal_bleio_check_connected(uint16_t conn_handle);
 uint16_t bleio_connection_get_conn_handle(bleio_connection_obj_t *self);
 mp_obj_t bleio_connection_new_from_internal(bleio_connection_internal_t *connection);
 bleio_connection_internal_t *bleio_conn_handle_to_connection(uint16_t conn_handle);

locale/circuitpython.pot

@@ -476,7 +476,7 @@ msgstr ""
 msgid "AP could not be started"
 msgstr ""
 
-#: shared-bindings/_bleio/Address.c shared-bindings/ipaddress/IPv4Address.c
+#: shared-bindings/ipaddress/IPv4Address.c
 #, c-format
 msgid "Address must be %d bytes long"
 msgstr ""
@@ -673,11 +673,6 @@ msgstr ""
 msgid "Brightness not adjustable"
 msgstr ""
 
-#: shared-bindings/_bleio/UUID.c
-#, c-format
-msgid "Buffer + offset too small %d %d %d"
-msgstr ""
-
 #: ports/raspberrypi/bindings/rp2pio/StateMachine.c
 msgid "Buffer elements must be 4 bytes long or less"
 msgstr ""
@@ -720,10 +715,6 @@ msgstr ""
 msgid "Bus pin %d is already in use"
 msgstr ""
 
-#: shared-bindings/_bleio/UUID.c
-msgid "Byte buffer must be 16 bytes."
-msgstr ""
-
 #: shared-bindings/aesio/aes.c
 msgid "CBC blocks must be multiples of 16 bytes"
 msgstr ""
@@ -1029,12 +1020,18 @@ msgstr ""
 msgid "Failed to buffer the sample"
 msgstr ""
 
+#: ports/zephyr-cp/common-hal/_bleio/Adapter.c
+msgid "Failed to connect"
+msgstr ""
+
 #: ports/espressif/common-hal/_bleio/Adapter.c
 #: ports/nordic/common-hal/_bleio/Adapter.c
+#: ports/zephyr-cp/common-hal/_bleio/Adapter.c
 msgid "Failed to connect: internal error"
 msgstr ""
 
 #: ports/nordic/common-hal/_bleio/Adapter.c
+#: ports/zephyr-cp/common-hal/_bleio/Adapter.c
 msgid "Failed to connect: timeout"
 msgstr ""
 
@@ -2247,10 +2244,6 @@ msgstr ""
 msgid "USB error"
 msgstr ""
 
-#: shared-bindings/_bleio/UUID.c
-msgid "UUID integer value must be 0-0xffff"
-msgstr ""
-
 #: shared-bindings/_bleio/UUID.c
 msgid "UUID string not 'xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx'"
 msgstr ""
@@ -3393,10 +3386,6 @@ msgstr ""
 msgid "initial values must be iterable"
 msgstr ""
 
-#: shared-bindings/_bleio/Characteristic.c shared-bindings/_bleio/Descriptor.c
-msgid "initial_value length is wrong"
-msgstr ""
-
 #: py/compile.c
 msgid "inline assembler must be a function"
 msgstr ""
@@ -3808,7 +3797,6 @@ msgid "non-hex digit"
 msgstr ""
 
 #: ports/nordic/common-hal/_bleio/Adapter.c
-#: ports/zephyr-cp/common-hal/_bleio/Adapter.c
 msgid "non-zero timeout must be > 0.01"
 msgstr ""
 
@@ -4292,7 +4280,6 @@ msgid "timeout duration exceeded the maximum supported value"
 msgstr ""
 
 #: ports/nordic/common-hal/_bleio/Adapter.c
-#: ports/zephyr-cp/common-hal/_bleio/Adapter.c
 msgid "timeout must be < 655.35 secs"
 msgstr ""
 

ports/espressif/common-hal/_bleio/Connection.h

@@ -64,6 +64,7 @@ void bleio_connection_clear(bleio_connection_internal_t *self);
 
 int bleio_connection_event_cb(struct ble_gap_event *event, void *connection_in);
 
+void common_hal_bleio_check_connected(uint16_t conn_handle);
 uint16_t bleio_connection_get_conn_handle(bleio_connection_obj_t *self);
 mp_obj_t bleio_connection_new_from_internal(bleio_connection_internal_t *connection);
 bleio_connection_internal_t *bleio_conn_handle_to_connection(uint16_t conn_handle);

ports/nordic/common-hal/_bleio/Attribute.h

@@ -6,6 +6,15 @@
 
 #pragma once
 
+#include <stdbool.h>
+
+#include "py/obj.h"
+
 #include "shared-module/_bleio/Attribute.h"
 
 extern void bleio_attribute_gatts_set_security_mode(ble_gap_conn_sec_mode_t *perm, bleio_attribute_security_mode_t security_mode);
+
+size_t common_hal_bleio_gatts_read(uint16_t handle, uint16_t conn_handle, uint8_t *buf, size_t len);
+void common_hal_bleio_gatts_write(uint16_t handle, uint16_t conn_handle, mp_buffer_info_t *bufinfo);
+size_t common_hal_bleio_gattc_read(uint16_t handle, uint16_t conn_handle, uint8_t *buf, size_t len);
+void common_hal_bleio_gattc_write(uint16_t handle, uint16_t conn_handle, mp_buffer_info_t *bufinfo, bool write_no_response);

ports/nordic/common-hal/_bleio/Connection.h

@@ -65,6 +65,7 @@ typedef struct {
 void bleio_connection_clear(bleio_connection_internal_t *self);
 bool connection_on_ble_evt(ble_evt_t *ble_evt, void *self_in);
 
+void common_hal_bleio_check_connected(uint16_t conn_handle);
 uint16_t bleio_connection_get_conn_handle(bleio_connection_obj_t *self);
 mp_obj_t bleio_connection_new_from_internal(bleio_connection_internal_t *connection);
 bleio_connection_internal_t *bleio_conn_handle_to_connection(uint16_t conn_handle);

ports/silabs/common-hal/_bleio/Connection.h

@@ -85,6 +85,7 @@ typedef struct
 
 void bleio_connection_clear(bleio_connection_internal_t *self);
 
+void common_hal_bleio_check_connected(uint16_t conn_handle);
 uint16_t bleio_connection_get_conn_handle(bleio_connection_obj_t *self);
 
 mp_obj_t bleio_connection_new_from_internal(

ports/zephyr-cp/boards/nrf5340bsim_nrf5340_cpuapp.conf

@@ -6,9 +6,20 @@ CONFIG_GPIO=y
 # Enable Bluetooth stack - bsim is for BT simulation
 CONFIG_BT=y
 CONFIG_BT_HCI=y
+CONFIG_BT_PERIPHERAL=y
+CONFIG_BT_CENTRAL=y
 CONFIG_BT_OBSERVER=y
 CONFIG_BT_BROADCASTER=y
 
+CONFIG_BT_L2CAP_TX_MTU=253
+CONFIG_BT_BUF_CMD_TX_SIZE=255
+CONFIG_BT_BUF_EVT_RX_COUNT=16
+CONFIG_BT_BUF_EVT_RX_SIZE=255
+CONFIG_BT_BUF_ACL_TX_COUNT=3
+CONFIG_BT_BUF_ACL_TX_SIZE=251
+CONFIG_BT_BUF_ACL_RX_COUNT_EXTRA=1
+CONFIG_BT_BUF_ACL_RX_SIZE=255
+
 CONFIG_BT_DEVICE_NAME_DYNAMIC=y
 CONFIG_BT_DEVICE_NAME_MAX=28