Firmware components

The Smart Remote application is built on the following components.

Modules

Input modules

• m_acc Low power accelerometer module.
• m_audio Audio module that handles voice input.
• m_audio_frame Audio frame management module.
• m_batt_meas Battery monitoring module.
• m_gyro Gyroscope module that handles motion processing.
• m_keyboard Keyboard module for handling keypad events.
• m_touchpad Touchpad module that deals with touch sensor data.

Output modules

• m_buzzer Buzzer module.
• m_coms Module that handles high-level communication with host.
  • m_coms_ble Submodule that implements low-level communication procedures.
  • m_coms_ble_addr Submodule that serves as flash address storage utility.
  • m_coms_ble_adv BLE advertising submodule.
  • m_coms_ble_atvv Voice over BLE for Android implementation submodule.
  • m_coms_ble_dfu BLE Device Firmware Upgrade submodule.
  • m_coms_ble_hid BLE HID over GATT submodule.
  • m_coms_ble_lesc Low Energy Secure Connection submodule.
  • m_coms_ble_atvv Voice over BLE for Android TV implementation (experimental feature).

• m_ir_tx Infrared transmitter module.
• m_leds LED module that handles LED signaling.
• m_nfc NFC module that provides support for the tap-to-pair feature.

System state and protocol modules

• m_init Initialization module that calls initialization functions for all enabled modules.
• m_protocol_hid HID protocol module.
• m_protocol_ir IR protocol module.
• m_system_state System state module.

Drivers

• drv_acc Low power accelerometer driver.
• drv_audio Audio driver.
• drv_audio_codec Audio codec driver.
• drv_audio_dsp Audio DSP virtual driver.
• drv_board Board driver.
• drv_gyro Gyroscope driver.
• drv_ir Driver for the infrared protocol.
• drv_keyboard Keyboard driver.
• drv_leds LED driver.
• drv_touchpad Touchpad driver.

Debug utilities

• app_debug_pin Pin-based debug utilities.

Other components

• app_error Common application error handler.
• app_isched Instantiable scheduler.
• app_scheduler A custom implementation of the app_scheduler that replaces the SDK app_scheduler.
• event_bus Event bus module.
• resources Shared hardware resource configuration.
• twi_common Common TWI procedures.