STM32L476G-DISCO STMicroelectronics

UM1919 User manual STM32CubeL4 demonstration firmware for 32L476GDISCOVERY discovery kit Introduction TM The STMCube initiative was originated by STMicroelectronics to ease developers life by reducing development efforts, time and cost. STM32Cube covers the STM32 portfolio. STM32Cube Version 1.x includes: The STM32CubeMX, a graphical software configuration tool that allows to generate C initialization code using graphical wizards. A comprehensive embedded software platform, delivered per series (such as STM32CubeL4 for STM32L4 Series) The STM32CubeL4 HAL, an STM32 abstraction layer embedded software, ensuring maximized portability across STM32 portfolio A consistent set of middleware components such as RTOS, USB, STMTouch and FatFs All embedded software utilities coming with a full set of examples The STM32CubeL4 discovery demonstration platform is built around the STM32Cube HAL, BSP and RTOS middleware components. With a LCD-glass display, a microphone, a joystick, ST-LINK/V2 debugger/programmer and microcontrollers from the STM32L1 and STM32L4 Series, this discovery kit is ideal to evaluate STM32 ultra-low-power solutions and audio capabilities. The architecture was defined with the goal of making from the STM32CubeL4 demonstration core an independent central component which can be used with several RTOS and third party firmware libraries through several abstraction layers inserted between the STM32CubeL4 demonstration core and the several modules and libraries working around. The STM32CubeL4 demonstration firmware supports STM32L476xx devices and runs on 32L476GDISCOVERY discovery kit. July 2015 DocID028080 Rev 1 1/37 www.st.com 1Contents UM1919 Contents 1 STM32Cube overview 6 2 Getting started with demonstration . 7 2.1 Hardware requirements . 7 2.2 Hardware configuration . 9 2.3 Power supply modes 10 2.3.1 USB supply 10 2.3.2 Battery supply 10 3 Demonstration firmware package . 11 3.1 Demonstration repository 11 3.2 Demonstration architecture overview 12 3.2.1 Kernel core files . 13 3.3 STM32L476G discovery board BSP 14 4 Demonstration functional description . 15 4.1 Overview . 15 4.2 Main menu 15 4.3 Menu navigation 16 4.4 Modules 17 4.4.1 IDD . 17 4.4.2 VDD 18 4.4.3 Audio record . 19 4.4.4 Audio player 20 4.4.5 Compass 21 4.4.6 Sound meter . 21 4.4.7 Guitar tuner 22 4.4.8 Option 23 4.5 Audio player control . 23 5 Demonstration firmware settings . 25 5.1 Clock control . 25 5.2 Peripherals 26 2/37 DocID028080 Rev 1