ChibiOS Free Embedded RTOS

Thank you Giovanni for your reply, it's all what i need.

Hi, i need to pilot the following interrupt request by the user button on a STMF3

CH_IRQ_HANDLER(myIRQ) {
CH_IRQ_PROLOGUE();

/* Wakes up the thread.*/
chSysLockFromIsr();
if (tp != NULL) {
tp->p_u.rdymsg = (msg_t)55; /* Sending the message, optional.*/
chSchReadyI(tp);
tp ...