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Merge pull request #5271 from tannewt/switch_cp_serial_uuids

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Switch CircuitPython serial off Nordic UUIDs
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microDev 2021-08-31 09:14:03 +05:30 committed by GitHub
commit d7a92f7fd6
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2 changed files with 52 additions and 27 deletions
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2
supervisor/shared/bluetooth/bluetooth.c
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@ -79,7 +79,7 @@ const uint8_t private_advertising_data[] = { 0x02, 0x01, 0x06, // 0-2 Flags
uint8_t circuitpython_scan_response_data[] = { uint8_t circuitpython_scan_response_data[] = {
0x0a, 0x09, 0x43, 0x49, 0x52, 0x50, 0x59, 0x00, 0x00, 0x00, 0x00, 0x0a, 0x09, 0x43, 0x49, 0x52, 0x50, 0x59, 0x00, 0x00, 0x00, 0x00,
#if CIRCUITPY_SERIAL_BLE #if CIRCUITPY_SERIAL_BLE
0x11, 0x06, 0x9e, 0xca, 0xdc, 0x24, 0x0e, 0xe5, 0xa9, 0xe0, 0x93, 0xf3, 0xa3, 0xb5, 0x01, 0x00, 0x40, 0x6e, 0x11, 0x06, 0x6e, 0x68, 0x74, 0x79, 0x50, 0x74, 0x69, 0x75, 0x63, 0x72, 0x69, 0x43, 0x01, 0x00, 0xaf, 0xad
#endif #endif
}; };

77
supervisor/shared/bluetooth/serial.c
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@ -26,6 +26,7 @@
#include <string.h> #include <string.h>
#include "genhdr/mpversion.h"
#include "shared-bindings/_bleio/__init__.h" #include "shared-bindings/_bleio/__init__.h"
#include "shared-bindings/_bleio/Adapter.h" #include "shared-bindings/_bleio/Adapter.h"
#include "shared-bindings/_bleio/Characteristic.h" #include "shared-bindings/_bleio/Characteristic.h"
@ -39,15 +40,17 @@
#include "py/mpstate.h" #include "py/mpstate.h"
STATIC bleio_service_obj_t supervisor_ble_serial_service; STATIC bleio_service_obj_t supervisor_ble_circuitpython_service;
STATIC bleio_uuid_obj_t supervisor_ble_serial_service_uuid; STATIC bleio_uuid_obj_t supervisor_ble_circuitpython_service_uuid;
STATIC bleio_characteristic_obj_t supervisor_ble_rx_characteristic; STATIC bleio_characteristic_obj_t supervisor_ble_circuitpython_rx_characteristic;
STATIC bleio_uuid_obj_t supervisor_ble_rx_uuid; STATIC bleio_uuid_obj_t supervisor_ble_circuitpython_rx_uuid;
STATIC bleio_characteristic_obj_t supervisor_ble_tx_characteristic; STATIC bleio_characteristic_obj_t supervisor_ble_circuitpython_tx_characteristic;
STATIC bleio_uuid_obj_t supervisor_ble_tx_uuid; STATIC bleio_uuid_obj_t supervisor_ble_circuitpython_tx_uuid;
STATIC bleio_characteristic_obj_t supervisor_ble_circuitpython_version_characteristic;
STATIC bleio_uuid_obj_t supervisor_ble_circuitpython_version_uuid;
// This is the base UUID for the nordic uart service. // This is the base UUID for the CircuitPython service.
const uint8_t nordic_uart_base_uuid[16] = {0x9e, 0xca, 0xdc, 0x24, 0x0e, 0xe5, 0xa9, 0xe0, 0x93, 0xf3, 0xa3, 0xb5, 0x00, 0x00, 0x40, 0x6e }; const uint8_t circuitpython_base_uuid[16] = {0x6e, 0x68, 0x74, 0x79, 0x50, 0x74, 0x69, 0x75, 0x63, 0x72, 0x69, 0x43, 0x00, 0x00, 0xaf, 0xad };
STATIC mp_obj_list_t characteristic_list; STATIC mp_obj_list_t characteristic_list;
STATIC mp_obj_t characteristic_list_items[2]; STATIC mp_obj_t characteristic_list_items[2];
@ -64,8 +67,8 @@ STATIC bleio_characteristic_buffer_obj_t _rx_buffer;
STATIC bool _enabled; STATIC bool _enabled;
void supervisor_start_bluetooth_serial(void) { void supervisor_start_bluetooth_serial(void) {
supervisor_ble_serial_service_uuid.base.type = &bleio_uuid_type; supervisor_ble_circuitpython_service_uuid.base.type = &bleio_uuid_type;
common_hal_bleio_uuid_construct(&supervisor_ble_serial_service_uuid, 0x0001, nordic_uart_base_uuid); common_hal_bleio_uuid_construct(&supervisor_ble_circuitpython_service_uuid, 0x0001, circuitpython_base_uuid);
// We know we'll only be N characteristics so we can statically allocate it. // We know we'll only be N characteristics so we can statically allocate it.
characteristic_list.base.type = &mp_type_list; characteristic_list.base.type = &mp_type_list;
@ -74,50 +77,72 @@ void supervisor_start_bluetooth_serial(void) {
characteristic_list.items = characteristic_list_items; characteristic_list.items = characteristic_list_items;
mp_seq_clear(characteristic_list.items, 0, characteristic_list.alloc, sizeof(*characteristic_list.items)); mp_seq_clear(characteristic_list.items, 0, characteristic_list.alloc, sizeof(*characteristic_list.items));
supervisor_ble_serial_service.base.type = &bleio_service_type; supervisor_ble_circuitpython_service.base.type = &bleio_service_type;
_common_hal_bleio_service_construct(&supervisor_ble_serial_service, &supervisor_ble_serial_service_uuid, false /* is secondary */, &characteristic_list); _common_hal_bleio_service_construct(&supervisor_ble_circuitpython_service, &supervisor_ble_circuitpython_service_uuid, false /* is secondary */, &characteristic_list);
// RX // RX
supervisor_ble_rx_uuid.base.type = &bleio_uuid_type; supervisor_ble_circuitpython_rx_uuid.base.type = &bleio_uuid_type;
common_hal_bleio_uuid_construct(&supervisor_ble_rx_uuid, 0x0002, nordic_uart_base_uuid); common_hal_bleio_uuid_construct(&supervisor_ble_circuitpython_rx_uuid, 0x0002, circuitpython_base_uuid);
common_hal_bleio_characteristic_construct(&supervisor_ble_rx_characteristic, common_hal_bleio_characteristic_construct(&supervisor_ble_circuitpython_rx_characteristic,
&supervisor_ble_serial_service, &supervisor_ble_circuitpython_service,
0, // handle (for remote only) 0, // handle (for remote only)
&supervisor_ble_rx_uuid, &supervisor_ble_circuitpython_rx_uuid,
CHAR_PROP_WRITE | CHAR_PROP_WRITE_NO_RESPONSE, CHAR_PROP_WRITE | CHAR_PROP_WRITE_NO_RESPONSE,
SECURITY_MODE_NO_ACCESS, SECURITY_MODE_NO_ACCESS,
SECURITY_MODE_ENC_NO_MITM, SECURITY_MODE_ENC_NO_MITM,
BLE_GATTS_VAR_ATTR_LEN_MAX, // max length BLE_GATTS_VAR_ATTR_LEN_MAX, // max length
false, // fixed length false, // fixed length
NULL, // no initial value NULL, // no initial value
"CircuitPython Serial"); NULL);
// TX // TX
supervisor_ble_tx_uuid.base.type = &bleio_uuid_type; supervisor_ble_circuitpython_tx_uuid.base.type = &bleio_uuid_type;
common_hal_bleio_uuid_construct(&supervisor_ble_tx_uuid, 0x0003, nordic_uart_base_uuid); common_hal_bleio_uuid_construct(&supervisor_ble_circuitpython_tx_uuid, 0x0003, circuitpython_base_uuid);
common_hal_bleio_characteristic_construct(&supervisor_ble_tx_characteristic, common_hal_bleio_characteristic_construct(&supervisor_ble_circuitpython_tx_characteristic,
&supervisor_ble_serial_service, &supervisor_ble_circuitpython_service,
0, // handle (for remote only) 0, // handle (for remote only)
&supervisor_ble_tx_uuid, &supervisor_ble_circuitpython_tx_uuid,
CHAR_PROP_NOTIFY, CHAR_PROP_NOTIFY,
SECURITY_MODE_ENC_NO_MITM, SECURITY_MODE_ENC_NO_MITM,
SECURITY_MODE_NO_ACCESS, SECURITY_MODE_NO_ACCESS,
BLE_GATTS_VAR_ATTR_LEN_MAX, // max length BLE_GATTS_VAR_ATTR_LEN_MAX, // max length
false, // fixed length false, // fixed length
NULL, // no initial value NULL, // no initial value
"CircuitPython Serial"); NULL);
// Version number
const char *version = MICROPY_GIT_TAG;
mp_buffer_info_t bufinfo;
bufinfo.buf = (uint8_t *)version;
bufinfo.len = strlen(version);
supervisor_ble_circuitpython_version_uuid.base.type = &bleio_uuid_type;
common_hal_bleio_uuid_construct(&supervisor_ble_circuitpython_version_uuid, 0x0100, circuitpython_base_uuid);
common_hal_bleio_characteristic_construct(&supervisor_ble_circuitpython_version_characteristic,
&supervisor_ble_circuitpython_service,
0, // handle (for remote only)
&supervisor_ble_circuitpython_version_uuid,
CHAR_PROP_READ,
SECURITY_MODE_OPEN,
SECURITY_MODE_NO_ACCESS,
bufinfo.len, // max length
true, // fixed length
NULL, // no initial value
NULL); // no description
common_hal_bleio_characteristic_set_value(&supervisor_ble_circuitpython_version_characteristic, &bufinfo);
// Use a PacketBuffer to transmit so that we glom characters to transmit // Use a PacketBuffer to transmit so that we glom characters to transmit
// together and save BLE overhead. // together and save BLE overhead.
_common_hal_bleio_packet_buffer_construct( _common_hal_bleio_packet_buffer_construct(
&_tx_packet_buffer, &supervisor_ble_tx_characteristic, &_tx_packet_buffer, &supervisor_ble_circuitpython_tx_characteristic,
NULL, 0, NULL, 0,
_outgoing1, _outgoing2, BLE_GATTS_VAR_ATTR_LEN_MAX, _outgoing1, _outgoing2, BLE_GATTS_VAR_ATTR_LEN_MAX,
&tx_static_handler_entry); &tx_static_handler_entry);
// Use a CharacteristicBuffer for rx so we can read a single character at a time. // Use a CharacteristicBuffer for rx so we can read a single character at a time.
_common_hal_bleio_characteristic_buffer_construct(&_rx_buffer, _common_hal_bleio_characteristic_buffer_construct(&_rx_buffer,
&supervisor_ble_rx_characteristic, &supervisor_ble_circuitpython_rx_characteristic,
0.1f, 0.1f,
(uint8_t *)_incoming, sizeof(_incoming) * sizeof(uint32_t), (uint8_t *)_incoming, sizeof(_incoming) * sizeof(uint32_t),
&rx_static_handler_entry); &rx_static_handler_entry);