scottt / stm32l1-audio-stsw-stm32135

STM32L1 audio playback application note patched to work with open source tools

STM32L1 SDCARD Audio Playback Example

This is ST application note 4309, "Playing audio file interfacing STM32L1xx microcontroller with an external I2S audio codec", patched with missing source files and makefiles for the gcc-arm-embedded toolchain. See readme.txt from the original appnote.

Environmen Setup

• Download and extract the gcc-arm-embedded toolchain (known to build with 4_8-2014q2)
• Update your PATH environment variable, e.g.

$ export PATH=/opt/gcc-arm-none-eabi-4_8-2014q2/bin:$PATH

Building the Code

• cd stm32l1-audio-stsw-stm32135/Projects/I2S_Audio_Codec
• make

Notes

• To see the code changes, grab stsw-stm32135-make-it-build.patch