That sounds like you're using a board based on an STM32F4 chip?
Someone else was having a similar issue on a board based on that, and has made it work with a modified module - see this thread http://forum.espruino.com/conversations/1287/
@DrAzzy started
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
That sounds like you're using a board based on an STM32F4 chip?
Someone else was having a similar issue on a board based on that, and has made it work with a modified module - see this thread http://forum.espruino.com/conversations/1287/