add ble nus

esphome/components/logger/logger.cpp

@@ -41,15 +41,22 @@ void Logger::write_header_(int level, const char *tag, int line) {
   const char *letter = LOG_LEVEL_LETTERS[level];
 #ifdef USE_ARDUINO
   void * current_task = xTaskGetCurrentTaskHandle();
+#elif defined(USE_ZEPHYR)
+  k_tid_t current_task = k_current_get();
+#else
+  void * current_task = nullptr;
+#endif
   if (current_task == main_task_) {
-#endif
     this->printf_to_buffer_("%s[%s][%s:%03u]: ", color, letter, tag, line);
-#ifdef USE_ARDUINO
   } else {
-    this->printf_to_buffer_("%s[%s][%s:%03u]%s[%s]%s: ", color, letter, tag, line,
+#ifdef USE_ARDUINO
-                            ESPHOME_LOG_BOLD(ESPHOME_LOG_COLOR_RED), pcTaskGetName(current_task), color);
+    const char *thread_name = pcTaskGetName(current_task);
-  }
+#elif defined(USE_ZEPHYR)
+    const char *thread_name = k_thread_name_get(current_task);
 #endif
+    this->printf_to_buffer_("%s[%s][%s:%03u]%s[%s]%s: ", color, letter, tag, line,
+                            ESPHOME_LOG_BOLD(ESPHOME_LOG_COLOR_RED), thread_name, color);
+  }
 }
 
 void HOT Logger::log_vprintf_(int level, const char *tag, int line, const char *format, va_list args) {  // NOLINT
@@ -149,6 +156,8 @@ Logger::Logger(uint32_t baud_rate, size_t tx_buffer_size) : baud_rate_(baud_rate
   this->tx_buffer_ = new char[this->tx_buffer_size_ + 1];  // NOLINT
 #ifdef USE_ARDUINO
   this->main_task_ = xTaskGetCurrentTaskHandle();
+#elif defined(USE_ZEPHYR)
+  this->main_task_ = k_current_get();
 #endif
 }
 

esphome/components/logger/logger_nrf52.cpp

@@ -77,6 +77,9 @@ void Logger::pre_setup() {
 
 #ifdef USE_ZEPHYR
 void HOT Logger::write_msg_(const char *msg) {
+#ifdef CONFIG_PRINTK
+  printk("%s\n", msg);
+#endif
   if (nullptr == uart_dev_) {
     return;
   }

esphome/components/zephyr_ble_nus/__init__.py

@@ -0,0 +1,29 @@
+import esphome.codegen as cg
+import esphome.config_validation as cv
+from esphome.const import (
+    CONF_ID,
+    CONF_LOG,
+)
+from esphome.components.zephyr import zephyr_add_prj_conf
+
+DEPENDENCIES = ["zephyr_ble_server"]
+
+zephyr_ble_nus_ns = cg.esphome_ns.namespace("zephyr_ble_nus")
+BLENUS = zephyr_ble_nus_ns.class_("BLENUS", cg.Component)
+
+CONFIG_SCHEMA = cv.All(
+    cv.Schema(
+        {
+            cv.GenerateID(): cv.declare_id(BLENUS),
+            cv.Optional(CONF_LOG, default=False): cv.boolean,
+        }
+    ).extend(cv.COMPONENT_SCHEMA),
+    cv.only_with_zephyr,
+)
+
+
+async def to_code(config):
+    var = cg.new_Pvariable(config[CONF_ID])
+    zephyr_add_prj_conf("BT_NUS", True)
+    cg.add(var.set_expose_log(config[CONF_LOG]))
+    await cg.register_component(var, config)

esphome/components/zephyr_ble_nus/ble_nus.cpp

@@ -0,0 +1,135 @@
+#include "ble_nus.h"
+#include <zephyr/kernel.h>
+#include <bluetooth/services/nus.h>
+#include "esphome/core/log.h"
+#ifdef USE_LOGGER
+#include "esphome/components/logger/logger.h"
+#include "esphome/core/application.h"
+#endif
+
+namespace esphome {
+namespace zephyr_ble_nus {
+
+BLENUS *global_ble_nus;  // NOLINT(cppcoreguidelines-avoid-non-const-global-variables)
+
+static const char *const TAG = "zephyr_ble_nus";
+
+size_t BLENUS::write_array(const uint8_t *data, size_t len) {
+  if (atomic_get(&tx_status_) == TX_DISABLED) {
+    return 0;
+  }
+  return ring_buf_put(&tx_ringbuf_, data, len);
+}
+
+void BLENUS::connected_(bt_conn *conn, uint8_t err) {
+  if (err == 0) {
+    global_ble_nus->conn_ = bt_conn_ref(conn);
+  }
+}
+
+void BLENUS::disconnected_(bt_conn *conn, uint8_t reason) {
+  bt_conn_unref(global_ble_nus->conn_);
+  global_ble_nus->conn_ = nullptr;
+}
+
+void BLENUS::tx_callback_(bt_conn *conn) {
+  atomic_cas(&global_ble_nus->tx_status_, TX_BUSY, TX_ENABLED);
+  ESP_LOGVV(TAG, "Sent operation completed");
+}
+
+void BLENUS::send_enabled_callback_(bt_nus_send_status status) {
+  switch (status) {
+    case BT_NUS_SEND_STATUS_ENABLED:
+      atomic_set(&global_ble_nus->tx_status_, TX_ENABLED);
+#ifdef USE_LOGGER
+      App.schedule_dump_config();
+#endif
+      ESP_LOGD(TAG, "NUS notification has been enabled");
+      break;
+    case BT_NUS_SEND_STATUS_DISABLED:
+      atomic_set(&global_ble_nus->tx_status_, TX_DISABLED);
+      ESP_LOGD(TAG, "NUS notification has been disabled");
+      break;
+  }
+}
+
+void BLENUS::rx_callback_(bt_conn *conn, const uint8_t *const data, uint16_t len) {
+  ESP_LOGD(TAG, "Received %d bytes.", len);
+}
+
+BLENUS::BLENUS(size_t buffer_size) {
+  uint8_t *buffer = new uint8_t[buffer_size];
+  ring_buf_init(&tx_ringbuf_, buffer_size, buffer);
+}
+
+void BLENUS::setup() {
+  bt_nus_cb callbacks = {
+      .received = rx_callback_,
+      .sent = tx_callback_,
+      .send_enabled = send_enabled_callback_,
+  };
+
+  bt_nus_init(&callbacks);
+
+  static bt_conn_cb conn_callbacks = {
+      .connected = BLENUS::connected_,
+      .disconnected = BLENUS::disconnected_,
+  };
+
+  bt_conn_cb_register(&conn_callbacks);
+
+  global_ble_nus = this;
+#ifdef USE_LOGGER
+  if (logger::global_logger != nullptr && this->expose_log_) {
+    logger::global_logger->add_on_log_callback([this](int level, const char *tag, const char *message) {
+      this->write_array(reinterpret_cast<const uint8_t *>(message), strlen(message));
+    });
+  }
+#endif
+}
+
+void BLENUS::dump_config() {
+  ESP_LOGCONFIG(TAG, "ble nus:");
+  ESP_LOGCONFIG(TAG, "  log: %s", YESNO(this->expose_log_));
+}
+
+void BLENUS::loop() {
+  if (ring_buf_is_empty(&tx_ringbuf_)) {
+    return;
+  }
+
+  if (!atomic_cas(&tx_status_, TX_ENABLED, TX_BUSY)) {
+    ring_buf_reset(&tx_ringbuf_);
+    return;
+  }
+
+  bt_conn *conn = bt_conn_ref(conn_);
+
+  if (nullptr == conn) {
+    atomic_cas(&tx_status_, TX_BUSY, TX_ENABLED);
+    return;
+  }
+
+  uint32_t req_len = bt_nus_get_mtu(conn);
+
+  uint8_t *buf;
+  uint32_t size = ring_buf_get_claim(&tx_ringbuf_, &buf, req_len);
+
+  int err, err2;
+
+  err = bt_nus_send(conn, buf, size);
+  err2 = ring_buf_get_finish(&tx_ringbuf_, size);
+  if (err2) {
+    ESP_LOGE(TAG, "Failed to ring buf finish (%d error)", err2);
+  }
+  if (err == 0) {
+    ESP_LOGVV(TAG, "Sent %d bytes", size);
+  } else {
+    ESP_LOGE(TAG, "Failed to send %d bytes (%d error)", size, err);
+    atomic_cas(&tx_status_, TX_BUSY, TX_ENABLED);
+  }
+  bt_conn_unref(conn);
+}
+
+}  // namespace zephyr_ble_nus
+}  // namespace esphome

esphome/components/zephyr_ble_nus/ble_nus.h

@@ -0,0 +1,40 @@
+#pragma once
+
+#include "esphome/core/defines.h"
+#include "esphome/core/component.h"
+#include <zephyr/sys/ring_buffer.h>
+#include <shell/shell_bt_nus.h>
+
+namespace esphome {
+namespace zephyr_ble_nus {
+
+class BLENUS : public Component {
+  enum tx_status {
+    TX_DISABLED,
+    TX_ENABLED,
+    TX_BUSY,
+  };
+
+ public:
+  BLENUS(size_t buffer_size = 1024);
+  void setup() override;
+  void dump_config() override;
+  void loop() override;
+  size_t write_array(const uint8_t *data, size_t len);
+  void set_expose_log(bool expose_log) { this->expose_log_ = expose_log; }
+
+ protected:
+  static void send_enabled_callback_(bt_nus_send_status status);
+  static void tx_callback_(bt_conn *conn);
+  static void rx_callback_(bt_conn *conn, const uint8_t *const data, uint16_t len);
+  static void connected_(bt_conn *conn, uint8_t err);
+  static void disconnected_(bt_conn *conn, uint8_t reason);
+
+  bt_conn *conn_ = nullptr;
+  ring_buf tx_ringbuf_;
+  bool expose_log_ = false;
+  atomic_t tx_status_ = ATOMIC_INIT(TX_DISABLED);
+};
+
+}  // namespace zephyr_ble_nus
+}  // namespace esphome

esphome/components/zephyr_ble_server/ble_server.cpp

@@ -10,21 +10,28 @@ namespace zephyr_ble_server {
 static const char *const TAG = "zephyr_ble_server";
 
 static struct k_work advertise_work;
+
+#define DEVICE_NAME CONFIG_BT_DEVICE_NAME
+#define DEVICE_NAME_LEN	(sizeof(DEVICE_NAME) - 1)
+
 static const struct bt_data AD[] = {
 	BT_DATA_BYTES(BT_DATA_FLAGS, (BT_LE_AD_GENERAL | BT_LE_AD_NO_BREDR)),
-#ifdef USE_OTA
+	BT_DATA(BT_DATA_NAME_COMPLETE, DEVICE_NAME, DEVICE_NAME_LEN),
+};
 
+static const struct bt_data SD[] = {
+#ifdef USE_OTA
     BT_DATA_BYTES(BT_DATA_UUID128_ALL, 0x84, 0xaa, 0x60, 0x74, 0x52, 0x8a, 0x8b, 0x86, 0xd3, 0x4c, 0xb7, 0x1d, 0x1d,
                   0xdc, 0x53, 0x8d),
 #endif
 };
 
-const struct bt_le_adv_param* const ADV_PARAM = BT_LE_ADV_CONN_NAME;
+const struct bt_le_adv_param* const ADV_PARAM = BT_LE_ADV_CONN;
 
 static void advertise(struct k_work *work) {
   bt_le_adv_stop();
 
-  int rc = bt_le_adv_start(ADV_PARAM, AD, ARRAY_SIZE(AD), NULL, 0);
+  int rc = bt_le_adv_start(ADV_PARAM, AD, ARRAY_SIZE(AD), SD, ARRAY_SIZE(SD));
   if (rc) {
     ESP_LOGE(TAG, "Advertising failed to start (rc %d)", rc);
     return;

tests/test12.2.yaml

@@ -30,11 +30,6 @@ interval:
     then:
       - switch.toggle: gpio_15
 
-# sensor:
-#   - platform: uptime
-#     name: Uptime Sensor
-#     update_interval: 5s
-
 output:
   - platform: gpio
     pin:
@@ -71,3 +66,6 @@ ota:
             - logger.log: "OTA start"
 
 zephyr_ble_server:
+
+zephyr_ble_nus:
+  log: true