nrf: Fix ble uart using the new API
This commit is contained in:
arturo182
parent
d5a71a4b8a
commit
cf79316002
@ -4,6 +4,7 @@
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* The MIT License (MIT)
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*
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* Copyright (c) 2017 Glenn Ruben Bakke
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* Copyright (c) 2018 Artur Pacholec
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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@ -24,252 +25,172 @@
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* THE SOFTWARE.
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*/
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#if BLUETOOTH_SD
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#include <string.h>
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#include "ble.h"
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#include "ble_uart.h"
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#include "ringbuffer.h"
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#include "py/mphal.h"
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#include "py/runtime.h"
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#include "lib/utils/interrupt_char.h"
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#include "shared-bindings/bleio/Adapter.h"
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#include "shared-bindings/bleio/Characteristic.h"
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#include "shared-bindings/bleio/Device.h"
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#include "shared-bindings/bleio/Service.h"
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#include "shared-bindings/bleio/UUID.h"
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#if MICROPY_PY_BLE_NUS
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#if (MICROPY_PY_BLE_NUS == 1)
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static bleio_uuid_obj_t uuid_obj_service = {
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.base.type = &bleio_uuid_type,
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.type = UUID_128_BIT,
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.value = {0x01, 0x00}
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};
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static const char default_name[] = "CP-REPL"; // max 8 chars or uuid won't fit in adv data
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static const char NUS_UUID[] = "6e400001-b5a3-f393-e0a9-e50e24dcca9e";
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static bleio_uuid_obj_t uuid_obj_char_tx = {
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.base.type = &bleio_uuid_type,
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.type = UUID_128_BIT,
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.value = {0x03, 0x00}
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};
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static bleio_uuid_obj_t uuid_obj_char_rx = {
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.base.type = &bleio_uuid_type,
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.type = UUID_128_BIT,
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.value = {0x02, 0x00}
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};
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static ubluepy_service_obj_t ble_uart_service = {
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.base.type = &ubluepy_service_type,
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.p_uuid = &uuid_obj_service,
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.type = UBLUEPY_SERVICE_PRIMARY
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};
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static ubluepy_characteristic_obj_t ble_uart_char_rx = {
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.base.type = &ubluepy_characteristic_type,
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.p_uuid = &uuid_obj_char_rx,
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.props = UBLUEPY_PROP_WRITE | UBLUEPY_PROP_WRITE_WO_RESP,
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.attrs = 0,
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};
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static ubluepy_characteristic_obj_t ble_uart_char_tx = {
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.base.type = &ubluepy_characteristic_type,
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.p_uuid = &uuid_obj_char_tx,
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.props = UBLUEPY_PROP_NOTIFY,
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.attrs = UBLUEPY_ATTR_CCCD,
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};
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static ubluepy_peripheral_obj_t ble_uart_peripheral = {
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.base.type = &ubluepy_peripheral_type,
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.conn_handle = 0xFFFF,
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};
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static volatile bool m_cccd_enabled;
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static volatile bool m_connected;
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#define NUS_RX_UUID 0x0002
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#define NUS_TX_UUID 0x0003
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#define BUFFER_SIZE 128
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ringBuffer_typedef(uint8_t, ringbuffer_t);
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static ringbuffer_t m_rx_ring_buffer;
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static ringbuffer_t * mp_rx_ring_buffer = &m_rx_ring_buffer;
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static uint8_t m_rx_ring_buffer_data[128];
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static bleio_device_obj_t m_device;
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static bleio_service_obj_t *m_nus;
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static bleio_characteristic_obj_t *m_tx_chara;
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static bleio_characteristic_obj_t *m_rx_chara;
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static ubluepy_advertise_data_t m_adv_data_uart_service;
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static volatile bool m_cccd_enabled;
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#if BLUETOOTH_WEBBLUETOOTH_REPL
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static ubluepy_advertise_data_t m_adv_data_eddystone_url;
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#endif // BLUETOOTH_WEBBLUETOOTH_REPL
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static uint8_t m_rx_ring_buffer_data[BUFFER_SIZE];
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static ringbuffer_t m_rx_ring_buffer = {
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.size = sizeof(m_rx_ring_buffer_data) + 1,
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.elems = m_rx_ring_buffer_data,
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};
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int mp_hal_stdin_rx_chr(void) {
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while (isBufferEmpty(mp_rx_ring_buffer)) {
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;
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}
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uint8_t byte;
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bufferRead(mp_rx_ring_buffer, byte);
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return (int)byte;
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}
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bool mp_hal_stdin_any(void) {
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return !isBufferEmpty(mp_rx_ring_buffer);
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}
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void mp_hal_stdout_tx_strn(const char *str, size_t len) {
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uint8_t *buf = (uint8_t *)str;
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size_t send_len;
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while (len > 0) {
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if (len >= 20) {
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send_len = 20; // (GATT_MTU_SIZE_DEFAULT - 3)
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} else {
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send_len = len;
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STATIC void on_ble_evt(ble_evt_t *ble_evt, void *param) {
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switch (ble_evt->header.evt_id) {
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case BLE_GAP_EVT_DISCONNECTED:
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{
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mp_obj_t device_obj = MP_OBJ_FROM_PTR(&m_device);
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mp_call_function_0(mp_load_attr(device_obj, qstr_from_str("start_advertising")));
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break;
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}
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ubluepy_characteristic_obj_t * p_char = &ble_uart_char_tx;
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case BLE_GATTS_EVT_WRITE:
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{
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ble_gatts_evt_write_t *write = &ble_evt->evt.gatts_evt.params.write;
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ble_drv_attr_s_notify(p_char->p_service->p_periph->conn_handle,
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p_char->handle,
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send_len,
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buf);
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len -= send_len;
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buf += send_len;
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}
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}
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void mp_hal_stdout_tx_strn_cooked(const char *str, mp_uint_t len) {
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mp_hal_stdout_tx_strn(str, len);
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}
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STATIC void gap_event_handler(mp_obj_t self_in, uint16_t event_id, uint16_t conn_handle, uint16_t length, uint8_t * data) {
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ubluepy_peripheral_obj_t * self = MP_OBJ_TO_PTR(self_in);
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if (event_id == 16) { // connect event
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self->conn_handle = conn_handle;
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m_connected = true;
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} else if (event_id == 17) { // disconnect event
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self->conn_handle = 0xFFFF; // invalid connection handle
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m_connected = false;
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ble_uart_advertise();
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}
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}
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STATIC void gatts_event_handler(mp_obj_t self_in, uint16_t event_id, uint16_t attr_handle, uint16_t length, uint8_t * data) {
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ubluepy_peripheral_obj_t * self = MP_OBJ_TO_PTR(self_in);
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(void)self;
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if (event_id == 80) { // gatts write
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if (ble_uart_char_tx.cccd_handle == attr_handle) {
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m_cccd_enabled = true;
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} else if (ble_uart_char_rx.handle == attr_handle) {
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for (uint16_t i = 0; i < length; i++) {
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#if MICROPY_KBD_EXCEPTION
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if (data[i] == mp_interrupt_char) {
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mp_keyboard_interrupt();
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} else
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#endif
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{
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bufferWrite(mp_rx_ring_buffer, data[i]);
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if (write->handle == m_tx_chara->cccd_handle) {
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m_cccd_enabled = true;
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} else if (write->handle == m_rx_chara->handle) {
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for (size_t i = 0; i < write->len; ++i) {
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#if MICROPY_KBD_EXCEPTION
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if (write->data[i] == mp_interrupt_char) {
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mp_keyboard_interrupt();
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} else
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#endif
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{
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bufferWrite(&m_rx_ring_buffer, write->data[i]);
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}
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}
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}
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}
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}
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}
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void ble_uart_init0(void) {
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uint8_t base_uuid[] = {0x9E, 0xCA, 0xDC, 0x24, 0x0E, 0xE5, 0xA9, 0xE0, 0x93, 0xF3, 0xA3, 0xB5, 0x00, 0x00, 0x40, 0x6E};
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uint8_t uuid_vs_idx;
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void ble_uart_init(void) {
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mp_obj_t device_obj = MP_OBJ_FROM_PTR(&m_device);
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m_device.base.type = &bleio_device_type;
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m_device.service_list = mp_obj_new_list(0, NULL);
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m_device.notif_handler = mp_const_none;
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m_device.conn_handler = mp_const_none;
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m_device.conn_handle = 0xFFFF;
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m_device.is_peripheral = true;
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m_device.name = mp_obj_new_str(default_name, strlen(default_name), false);
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common_hal_bleio_adapter_get_address(&m_device.address);
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(void)ble_drv_uuid_add_vs(base_uuid, &uuid_vs_idx);
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mp_obj_t nus_uuid_str = mp_obj_new_str(NUS_UUID, strlen(NUS_UUID), false);
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mp_obj_t nus_uuid_obj = bleio_uuid_type.make_new(&bleio_uuid_type, 1, 0, &nus_uuid_str);
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mp_obj_t nus_obj = bleio_service_type.make_new(&bleio_service_type, 1, 0, &nus_uuid_obj);
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m_nus = MP_OBJ_TO_PTR(nus_obj);
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mp_call_function_1(mp_load_attr(device_obj, qstr_from_str("add_service")), nus_obj);
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uuid_obj_service.uuid_vs_idx = uuid_vs_idx;
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uuid_obj_char_tx.uuid_vs_idx = uuid_vs_idx;
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uuid_obj_char_rx.uuid_vs_idx = uuid_vs_idx;
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mp_obj_t tx_uuid_int = mp_obj_new_int(NUS_TX_UUID);
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mp_obj_t tx_uuid_obj = bleio_uuid_type.make_new(&bleio_uuid_type, 1, 0, &tx_uuid_int);
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mp_obj_t tx_obj = bleio_characteristic_type.make_new(&bleio_characteristic_type, 1, 0, &tx_uuid_obj);
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m_tx_chara = MP_OBJ_TO_PTR(tx_obj);
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m_tx_chara->uuid->type = UUID_TYPE_128BIT;
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m_tx_chara->uuid->uuid_vs_idx = m_nus->uuid->uuid_vs_idx;
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m_tx_chara->props.notify = true;
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mp_call_function_1(mp_load_attr(nus_obj, qstr_from_str("add_characteristic")), tx_obj);
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(void)ble_drv_service_add(&ble_uart_service);
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ble_uart_service.char_list = mp_obj_new_list(0, NULL);
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mp_obj_t rx_uuid_int = mp_obj_new_int(NUS_RX_UUID);
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mp_obj_t rx_uuid_obj = bleio_uuid_type.make_new(&bleio_uuid_type, 1, 0, &rx_uuid_int);
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mp_obj_t rx_obj = bleio_characteristic_type.make_new(&bleio_characteristic_type, 1, 0, &rx_uuid_obj);
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m_rx_chara = MP_OBJ_TO_PTR(rx_obj);
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m_rx_chara->uuid->type = UUID_TYPE_128BIT;
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m_rx_chara->uuid->uuid_vs_idx = m_nus->uuid->uuid_vs_idx;
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m_rx_chara->props.write = true;
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m_rx_chara->props.write_wo_resp = true;
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mp_call_function_1(mp_load_attr(nus_obj, qstr_from_str("add_characteristic")), rx_obj);
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// add TX characteristic
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ble_uart_char_tx.service_handle = ble_uart_service.handle;
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bool retval = ble_drv_characteristic_add(&ble_uart_char_tx);
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if (retval) {
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ble_uart_char_tx.p_service = &ble_uart_service;
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}
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mp_obj_list_append(ble_uart_service.char_list, MP_OBJ_FROM_PTR(&ble_uart_char_tx));
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mp_call_function_0(mp_load_attr(device_obj, qstr_from_str("start_advertising")));
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// add RX characteristic
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ble_uart_char_rx.service_handle = ble_uart_service.handle;
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retval = ble_drv_characteristic_add(&ble_uart_char_rx);
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if (retval) {
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ble_uart_char_rx.p_service = &ble_uart_service;
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}
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mp_obj_list_append(ble_uart_service.char_list, MP_OBJ_FROM_PTR(&ble_uart_char_rx));
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// setup the peripheral
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ble_uart_peripheral.service_list = mp_obj_new_list(0, NULL);
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mp_obj_list_append(ble_uart_peripheral.service_list, MP_OBJ_FROM_PTR(&ble_uart_service));
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ble_uart_service.p_periph = &ble_uart_peripheral;
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ble_drv_gap_event_handler_set(MP_OBJ_FROM_PTR(&ble_uart_peripheral), gap_event_handler);
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ble_drv_gatts_event_handler_set(MP_OBJ_FROM_PTR(&ble_uart_peripheral), gatts_event_handler);
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ble_uart_peripheral.conn_handle = 0xFFFF;
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char device_name[] = "mpus";
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mp_obj_t service_list = mp_obj_new_list(0, NULL);
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mp_obj_list_append(service_list, MP_OBJ_FROM_PTR(&ble_uart_service));
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mp_obj_t * services = NULL;
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mp_uint_t num_services;
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mp_obj_get_array(service_list, &num_services, &services);
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m_adv_data_uart_service.p_services = services;
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m_adv_data_uart_service.num_of_services = num_services;
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m_adv_data_uart_service.p_device_name = (uint8_t *)device_name;
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m_adv_data_uart_service.device_name_len = strlen(device_name);
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m_adv_data_uart_service.connectable = true;
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m_adv_data_uart_service.p_data = NULL;
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#if BLUETOOTH_WEBBLUETOOTH_REPL
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// for now point eddystone URL to https://goo.gl/x46FES => https://glennrub.github.io/webbluetooth/micropython/repl/
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static uint8_t eddystone_url_data[27] = {0x2, 0x1, 0x6,
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0x3, 0x3, 0xaa, 0xfe,
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19, 0x16, 0xaa, 0xfe, 0x10, 0xee, 0x3, 'g', 'o', 'o', '.', 'g', 'l', '/', 'x', '4', '6', 'F', 'E', 'S'};
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// eddystone url adv data
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m_adv_data_eddystone_url.p_data = eddystone_url_data;
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m_adv_data_eddystone_url.data_len = sizeof(eddystone_url_data);
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m_adv_data_eddystone_url.connectable = false;
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#endif
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ble_drv_add_event_handler(on_ble_evt, &m_device);
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m_cccd_enabled = false;
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// initialize ring buffer
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m_rx_ring_buffer.size = sizeof(m_rx_ring_buffer_data) + 1;
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m_rx_ring_buffer.start = 0;
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m_rx_ring_buffer.end = 0;
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m_rx_ring_buffer.elems = m_rx_ring_buffer_data;
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m_connected = false;
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ble_uart_advertise();
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}
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void ble_uart_advertise(void) {
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#if BLUETOOTH_WEBBLUETOOTH_REPL
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while (!m_connected) {
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(void)ble_drv_advertise_data(&m_adv_data_uart_service);
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mp_hal_delay_ms(500);
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(void)ble_drv_advertise_data(&m_adv_data_eddystone_url);
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mp_hal_delay_ms(500);
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while (!m_cccd_enabled) {
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#ifdef MICROPY_VM_HOOK_LOOP
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MICROPY_VM_HOOK_LOOP
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#endif
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}
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ble_drv_advertise_stop();
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#else
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(void)ble_drv_advertise_data(&m_adv_data_uart_service);
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#endif // BLUETOOTH_WEBBLUETOOTH_REPL
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}
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bool ble_uart_connected(void) {
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return (m_connected);
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return (m_device.conn_handle != BLE_CONN_HANDLE_INVALID);
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}
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bool ble_uart_enabled(void) {
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return (m_cccd_enabled);
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char ble_uart_rx_chr(void) {
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while (isBufferEmpty(&m_rx_ring_buffer)) {
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#ifdef MICROPY_VM_HOOK_LOOP
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MICROPY_VM_HOOK_LOOP
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#endif
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}
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uint8_t byte;
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bufferRead(&m_rx_ring_buffer, byte);
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return (int)byte;
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}
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bool ble_uart_stdin_any(void) {
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return !isBufferEmpty(&m_rx_ring_buffer);
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}
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void ble_uart_stdout_tx_str(const char *text) {
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mp_hal_stdout_tx_strn(text, strlen(text));
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}
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int mp_hal_stdin_rx_chr(void) {
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return ble_uart_rx_chr();
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}
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void mp_hal_stdout_tx_strn(const char *str, size_t len) {
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size_t send_len;
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while (len > 0) {
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if (len >= BLE_GATT_ATT_MTU_DEFAULT - 3) {
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send_len = (BLE_GATT_ATT_MTU_DEFAULT - 3);
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} else {
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send_len = len;
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}
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mp_buffer_info_t bufinfo = {
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.buf = (uint8_t*)str,
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.len = send_len,
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};
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common_hal_bleio_characteristic_write_value(m_tx_chara, &bufinfo);
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len -= send_len;
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str += send_len;
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}
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}
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#endif // MICROPY_PY_BLE_NUS
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#endif // BLUETOOTH_SD
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@ -24,16 +24,17 @@
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* THE SOFTWARE.
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*/
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#ifndef BLUETOOTH_LE_UART_H__
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#define BLUETOOTH_LE_UART_H__
|
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#ifndef MICROPY_INCLUDED_NRF_BLUETOOTH_BLE_UART_H
|
||||
#define MICROPY_INCLUDED_NRF_BLUETOOTH_BLE_UART_H
|
||||
|
||||
#include <stdbool.h>
|
||||
|
||||
#include "ble_drv.h"
|
||||
|
||||
void ble_uart_init0(void);
|
||||
void ble_uart_advertise(void);
|
||||
void ble_uart_init(void);
|
||||
bool ble_uart_connected(void);
|
||||
bool ble_uart_enabled(void);
|
||||
char ble_uart_rx_chr(void);
|
||||
bool ble_uart_stdin_any(void);
|
||||
void ble_uart_stdout_tx_str(const char *text);
|
||||
|
||||
#endif // BLUETOOTH_LE_UART_H__
|
||||
#endif // MICROPY_INCLUDED_NRF_BLUETOOTH_BLE_UART_H
|
||||
|
||||
@ -79,21 +79,21 @@
|
||||
BUF.elems = (T*)calloc(BUF.size, sizeof(T))
|
||||
|
||||
|
||||
#define bufferDestroy(BUF) free(BUF->elems)
|
||||
#define nextStartIndex(BUF) ((BUF->start + 1) % BUF->size)
|
||||
#define nextEndIndex(BUF) ((BUF->end + 1) % BUF->size)
|
||||
#define isBufferEmpty(BUF) (BUF->end == BUF->start)
|
||||
#define isBufferFull(BUF) (nextEndIndex(BUF) == BUF->start)
|
||||
#define bufferDestroy(BUF) free((BUF)->elems)
|
||||
#define nextStartIndex(BUF) (((BUF)->start + 1) % (BUF)->size)
|
||||
#define nextEndIndex(BUF) (((BUF)->end + 1) % (BUF)->size)
|
||||
#define isBufferEmpty(BUF) ((BUF)->end == (BUF)->start)
|
||||
#define isBufferFull(BUF) (nextEndIndex(BUF) == (BUF)->start)
|
||||
|
||||
#define bufferWrite(BUF, ELEM) \
|
||||
BUF->elems[BUF->end] = ELEM; \
|
||||
BUF->end = (BUF->end + 1) % BUF->size; \
|
||||
(BUF)->elems[(BUF)->end] = ELEM; \
|
||||
(BUF)->end = ((BUF)->end + 1) % (BUF)->size; \
|
||||
if (isBufferEmpty(BUF)) { \
|
||||
BUF->start = nextStartIndex(BUF); \
|
||||
(BUF)->start = nextStartIndex(BUF); \
|
||||
}
|
||||
|
||||
#define bufferRead(BUF, ELEM) \
|
||||
ELEM = BUF->elems[BUF->start]; \
|
||||
BUF->start = nextStartIndex(BUF);
|
||||
ELEM = (BUF)->elems[(BUF)->start]; \
|
||||
(BUF)->start = nextStartIndex(BUF);
|
||||
|
||||
#endif
|
||||
|
||||
@ -131,7 +131,6 @@
|
||||
#if BLUETOOTH_SD
|
||||
#define MICROPY_PY_BLEIO (1)
|
||||
#define MICROPY_PY_BLE_NUS (0)
|
||||
#define BLUETOOTH_WEBBLUETOOTH_REPL (0)
|
||||
#else
|
||||
#ifndef MICROPY_PY_BLEIO
|
||||
#define MICROPY_PY_BLEIO (0)
|
||||
|
||||
@ -109,8 +109,7 @@ void mp_hal_stdout_tx_strn(const char *str, mp_uint_t len) {
|
||||
|
||||
#endif // USB
|
||||
|
||||
#endif // NUS
|
||||
|
||||
#endif // MICROPY_PY_BLE_NUS
|
||||
|
||||
/*------------------------------------------------------------------*/
|
||||
/* delay
|
||||
|
||||
@ -26,25 +26,41 @@
|
||||
|
||||
#include "py/mphal.h"
|
||||
|
||||
#if MICROPY_PY_BLE_NUS
|
||||
#if (MICROPY_PY_BLE_NUS == 1)
|
||||
#include "ble_uart.h"
|
||||
#else
|
||||
#include "nrf_gpio.h"
|
||||
#include "nrfx_uarte.h"
|
||||
#endif
|
||||
|
||||
#if !defined(NRF52840_XXAA)
|
||||
#if (MICROPY_PY_BLE_NUS == 1)
|
||||
|
||||
void serial_init(void) {
|
||||
ble_uart_init();
|
||||
}
|
||||
|
||||
bool serial_connected(void) {
|
||||
return ble_uart_connected();
|
||||
}
|
||||
|
||||
char serial_read(void) {
|
||||
return (char) ble_uart_rx_chr();
|
||||
}
|
||||
|
||||
bool serial_bytes_available(void) {
|
||||
return ble_uart_stdin_any();
|
||||
}
|
||||
|
||||
void serial_write(const char *text) {
|
||||
ble_uart_stdout_tx_str(text);
|
||||
}
|
||||
|
||||
#elif !defined(NRF52840_XXAA)
|
||||
|
||||
uint8_t serial_received_char;
|
||||
nrfx_uarte_t serial_instance = NRFX_UARTE_INSTANCE(0);
|
||||
|
||||
void serial_init(void) {
|
||||
#if MICROPY_PY_BLE_NUS
|
||||
ble_uart_init0();
|
||||
while (!ble_uart_enabled()) {
|
||||
;
|
||||
}
|
||||
#else
|
||||
nrfx_uarte_config_t config = {
|
||||
.pseltxd = MICROPY_HW_UART_TX,
|
||||
.pselrxd = MICROPY_HW_UART_RX,
|
||||
@ -66,7 +82,6 @@ void serial_init(void) {
|
||||
|
||||
// enabled receiving
|
||||
nrf_uarte_task_trigger(serial_instance.p_reg, NRF_UARTE_TASK_STARTRX);
|
||||
#endif
|
||||
}
|
||||
|
||||
bool serial_connected(void) {
|
||||
@ -93,7 +108,6 @@ void serial_init(void) {
|
||||
// usb is already initialized in board_init()
|
||||
}
|
||||
|
||||
|
||||
bool serial_connected(void) {
|
||||
return tud_cdc_connected();
|
||||
}
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user