ChibiOS Free Embedded RTOS

Thank you very much Giovanni!

This has solved the problem, the code now looks like this:

static msg_t Thread6(void *arg)
{
(void)arg;
chRegSetThreadName("GPSdata");

// Activates the Serial driver 2, PA2(TX) and PA3(RX) are routed to USART2, 9600 8N1.
palSetPadMode(GPIOA, 2, PAL_MODE ...

Hello!

I am trying to read NMEA data from a GPS using serial driver 2 on the STM32F4 Discovery.
My event listener thread looks like this:

tatic msg_t Thread6(void *arg)
{
(void)arg;
chRegSetThreadName("GPSdata");

static char charbuf; // character buffer

// Activates the Serial driver 2, PA2 ...