You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
280 lines
9.0 KiB
280 lines
9.0 KiB
/*
|
|
* This file is part of the MicroPython project, http://micropython.org/
|
|
*
|
|
* The MIT License (MIT)
|
|
*
|
|
* Copyright (c) 2017 Glenn Ruben Bakke
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#if BLUETOOTH_SD
|
|
|
|
#include <string.h>
|
|
#include "ble_uart.h"
|
|
#include "ringbuffer.h"
|
|
#include "mphalport.h"
|
|
#include "lib/utils/interrupt_char.h"
|
|
|
|
#if MICROPY_PY_BLE_NUS
|
|
|
|
static ubluepy_uuid_obj_t uuid_obj_service = {
|
|
.base.type = &ubluepy_uuid_type,
|
|
.type = UBLUEPY_UUID_128_BIT,
|
|
.value = {0x01, 0x00}
|
|
};
|
|
|
|
static ubluepy_uuid_obj_t uuid_obj_char_tx = {
|
|
.base.type = &ubluepy_uuid_type,
|
|
.type = UBLUEPY_UUID_128_BIT,
|
|
.value = {0x03, 0x00}
|
|
};
|
|
|
|
static ubluepy_uuid_obj_t uuid_obj_char_rx = {
|
|
.base.type = &ubluepy_uuid_type,
|
|
.type = UBLUEPY_UUID_128_BIT,
|
|
.value = {0x02, 0x00}
|
|
};
|
|
|
|
static ubluepy_service_obj_t ble_uart_service = {
|
|
.base.type = &ubluepy_service_type,
|
|
.p_uuid = &uuid_obj_service,
|
|
.type = UBLUEPY_SERVICE_PRIMARY
|
|
};
|
|
|
|
static ubluepy_characteristic_obj_t ble_uart_char_rx = {
|
|
.base.type = &ubluepy_characteristic_type,
|
|
.p_uuid = &uuid_obj_char_rx,
|
|
.props = UBLUEPY_PROP_WRITE | UBLUEPY_PROP_WRITE_WO_RESP,
|
|
.attrs = 0,
|
|
};
|
|
|
|
static ubluepy_characteristic_obj_t ble_uart_char_tx = {
|
|
.base.type = &ubluepy_characteristic_type,
|
|
.p_uuid = &uuid_obj_char_tx,
|
|
.props = UBLUEPY_PROP_NOTIFY,
|
|
.attrs = UBLUEPY_ATTR_CCCD,
|
|
};
|
|
|
|
static ubluepy_peripheral_obj_t ble_uart_peripheral = {
|
|
.base.type = &ubluepy_peripheral_type,
|
|
.conn_handle = 0xFFFF,
|
|
};
|
|
|
|
static volatile bool m_cccd_enabled;
|
|
static volatile bool m_connected;
|
|
|
|
ringBuffer_typedef(uint8_t, ringbuffer_t);
|
|
|
|
static ringbuffer_t m_rx_ring_buffer;
|
|
static ringbuffer_t * mp_rx_ring_buffer = &m_rx_ring_buffer;
|
|
static uint8_t m_rx_ring_buffer_data[128];
|
|
|
|
static ubluepy_advertise_data_t m_adv_data_uart_service;
|
|
|
|
#if BLUETOOTH_WEBBLUETOOTH_REPL
|
|
static ubluepy_advertise_data_t m_adv_data_eddystone_url;
|
|
#endif // BLUETOOTH_WEBBLUETOOTH_REPL
|
|
|
|
int mp_hal_stdin_rx_chr(void) {
|
|
while (!ble_uart_enabled()) {
|
|
// wait for connection
|
|
}
|
|
while (isBufferEmpty(mp_rx_ring_buffer)) {
|
|
;
|
|
}
|
|
|
|
uint8_t byte;
|
|
bufferRead(mp_rx_ring_buffer, byte);
|
|
return (int)byte;
|
|
}
|
|
|
|
void mp_hal_stdout_tx_strn(const char *str, size_t len) {
|
|
// Not connected: drop output
|
|
if (!ble_uart_enabled()) return;
|
|
|
|
uint8_t *buf = (uint8_t *)str;
|
|
size_t send_len;
|
|
|
|
while (len > 0) {
|
|
if (len >= 20) {
|
|
send_len = 20; // (GATT_MTU_SIZE_DEFAULT - 3)
|
|
} else {
|
|
send_len = len;
|
|
}
|
|
|
|
ubluepy_characteristic_obj_t * p_char = &ble_uart_char_tx;
|
|
|
|
ble_drv_attr_s_notify(p_char->p_service->p_periph->conn_handle,
|
|
p_char->handle,
|
|
send_len,
|
|
buf);
|
|
|
|
len -= send_len;
|
|
buf += send_len;
|
|
}
|
|
}
|
|
|
|
void mp_hal_stdout_tx_strn_cooked(const char *str, mp_uint_t len) {
|
|
mp_hal_stdout_tx_strn(str, len);
|
|
}
|
|
|
|
STATIC void gap_event_handler(mp_obj_t self_in, uint16_t event_id, uint16_t conn_handle, uint16_t length, uint8_t * data) {
|
|
ubluepy_peripheral_obj_t * self = MP_OBJ_TO_PTR(self_in);
|
|
|
|
if (event_id == 16) { // connect event
|
|
self->conn_handle = conn_handle;
|
|
m_connected = true;
|
|
} else if (event_id == 17) { // disconnect event
|
|
self->conn_handle = 0xFFFF; // invalid connection handle
|
|
m_connected = false;
|
|
m_cccd_enabled = false;
|
|
ble_uart_advertise();
|
|
}
|
|
}
|
|
|
|
STATIC void gatts_event_handler(mp_obj_t self_in, uint16_t event_id, uint16_t attr_handle, uint16_t length, uint8_t * data) {
|
|
ubluepy_peripheral_obj_t * self = MP_OBJ_TO_PTR(self_in);
|
|
(void)self;
|
|
|
|
if (event_id == 80) { // gatts write
|
|
if (ble_uart_char_tx.cccd_handle == attr_handle) {
|
|
m_cccd_enabled = true;
|
|
} else if (ble_uart_char_rx.handle == attr_handle) {
|
|
for (uint16_t i = 0; i < length; i++) {
|
|
#if MICROPY_KBD_EXCEPTION
|
|
if (data[i] == mp_interrupt_char) {
|
|
mp_keyboard_interrupt();
|
|
m_rx_ring_buffer.start = 0;
|
|
m_rx_ring_buffer.end = 0;
|
|
} else
|
|
#endif
|
|
{
|
|
bufferWrite(mp_rx_ring_buffer, data[i]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void ble_uart_init0(void) {
|
|
uint8_t base_uuid[] = {0x9E, 0xCA, 0xDC, 0x24, 0x0E, 0xE5, 0xA9, 0xE0, 0x93, 0xF3, 0xA3, 0xB5, 0x00, 0x00, 0x40, 0x6E};
|
|
uint8_t uuid_vs_idx;
|
|
|
|
(void)ble_drv_uuid_add_vs(base_uuid, &uuid_vs_idx);
|
|
|
|
uuid_obj_service.uuid_vs_idx = uuid_vs_idx;
|
|
uuid_obj_char_tx.uuid_vs_idx = uuid_vs_idx;
|
|
uuid_obj_char_rx.uuid_vs_idx = uuid_vs_idx;
|
|
|
|
(void)ble_drv_service_add(&ble_uart_service);
|
|
ble_uart_service.char_list = mp_obj_new_list(0, NULL);
|
|
|
|
// add TX characteristic
|
|
ble_uart_char_tx.service_handle = ble_uart_service.handle;
|
|
bool retval = ble_drv_characteristic_add(&ble_uart_char_tx);
|
|
if (retval) {
|
|
ble_uart_char_tx.p_service = &ble_uart_service;
|
|
}
|
|
mp_obj_list_append(ble_uart_service.char_list, MP_OBJ_FROM_PTR(&ble_uart_char_tx));
|
|
|
|
// add RX characteristic
|
|
ble_uart_char_rx.service_handle = ble_uart_service.handle;
|
|
retval = ble_drv_characteristic_add(&ble_uart_char_rx);
|
|
if (retval) {
|
|
ble_uart_char_rx.p_service = &ble_uart_service;
|
|
}
|
|
mp_obj_list_append(ble_uart_service.char_list, MP_OBJ_FROM_PTR(&ble_uart_char_rx));
|
|
|
|
// setup the peripheral
|
|
ble_uart_peripheral.service_list = mp_obj_new_list(0, NULL);
|
|
mp_obj_list_append(ble_uart_peripheral.service_list, MP_OBJ_FROM_PTR(&ble_uart_service));
|
|
ble_uart_service.p_periph = &ble_uart_peripheral;
|
|
|
|
ble_drv_gap_event_handler_set(MP_OBJ_FROM_PTR(&ble_uart_peripheral), gap_event_handler);
|
|
ble_drv_gatts_event_handler_set(MP_OBJ_FROM_PTR(&ble_uart_peripheral), gatts_event_handler);
|
|
|
|
ble_uart_peripheral.conn_handle = 0xFFFF;
|
|
|
|
char device_name[] = "mpus";
|
|
|
|
mp_obj_t service_list = mp_obj_new_list(0, NULL);
|
|
mp_obj_list_append(service_list, MP_OBJ_FROM_PTR(&ble_uart_service));
|
|
|
|
mp_obj_t * services = NULL;
|
|
mp_uint_t num_services;
|
|
mp_obj_get_array(service_list, &num_services, &services);
|
|
|
|
m_adv_data_uart_service.p_services = services;
|
|
m_adv_data_uart_service.num_of_services = num_services;
|
|
m_adv_data_uart_service.p_device_name = (uint8_t *)device_name;
|
|
m_adv_data_uart_service.device_name_len = strlen(device_name);
|
|
m_adv_data_uart_service.connectable = true;
|
|
m_adv_data_uart_service.p_data = NULL;
|
|
|
|
#if BLUETOOTH_WEBBLUETOOTH_REPL
|
|
// for now point eddystone URL to https://goo.gl/F7fZ69 => https://aykevl.nl/apps/nus/
|
|
static uint8_t eddystone_url_data[27] = {0x2, 0x1, 0x6,
|
|
0x3, 0x3, 0xaa, 0xfe,
|
|
19, 0x16, 0xaa, 0xfe, 0x10, 0xee, 0x3, 'g', 'o', 'o', '.', 'g', 'l', '/', 'F', '7', 'f', 'Z', '6', '9'};
|
|
// eddystone url adv data
|
|
m_adv_data_eddystone_url.p_data = eddystone_url_data;
|
|
m_adv_data_eddystone_url.data_len = sizeof(eddystone_url_data);
|
|
m_adv_data_eddystone_url.connectable = false;
|
|
#endif
|
|
|
|
m_cccd_enabled = false;
|
|
|
|
// initialize ring buffer
|
|
m_rx_ring_buffer.size = sizeof(m_rx_ring_buffer_data) + 1;
|
|
m_rx_ring_buffer.start = 0;
|
|
m_rx_ring_buffer.end = 0;
|
|
m_rx_ring_buffer.elems = m_rx_ring_buffer_data;
|
|
|
|
m_connected = false;
|
|
|
|
ble_uart_advertise();
|
|
}
|
|
|
|
void ble_uart_advertise(void) {
|
|
#if BLUETOOTH_WEBBLUETOOTH_REPL
|
|
while (!m_connected) {
|
|
(void)ble_drv_advertise_data(&m_adv_data_uart_service);
|
|
mp_hal_delay_ms(500);
|
|
(void)ble_drv_advertise_data(&m_adv_data_eddystone_url);
|
|
mp_hal_delay_ms(500);
|
|
}
|
|
|
|
ble_drv_advertise_stop();
|
|
#else
|
|
(void)ble_drv_advertise_data(&m_adv_data_uart_service);
|
|
#endif // BLUETOOTH_WEBBLUETOOTH_REPL
|
|
}
|
|
|
|
bool ble_uart_connected(void) {
|
|
return (m_connected);
|
|
}
|
|
|
|
bool ble_uart_enabled(void) {
|
|
return (m_cccd_enabled);
|
|
}
|
|
|
|
#endif // MICROPY_PY_BLE_NUS
|
|
|
|
#endif // BLUETOOTH_SD
|
|
|