void kernel_footprint(void)
{
init();
// generate code for process
struct Process *p =
proc_new(proc1_main, 0, sizeof(proc1_stack), proc1_stack);
proc_setPri(p, 5);
proc_yield();
// generate code for msg
Msg msg;
msg_initPort(&in_port, event_createSignal(p, SIG_USER1));
msg_put(&in_port, &msg);
msg_peek(&in_port);
Msg *msg_re = msg_get(&in_port);
msg_reply(msg_re);
// generate code for signals
sig_send(p, SIG_USER0);
// generate code for msg
Semaphore sem;
sem_init(&sem);
sem_obtain(&sem);
sem_release(&sem);
sig_wait(SIG_USER0);
}
float measures_intTemp(void)
{
sem_obtain(&i2c_sem);
float res = DEG_T_TO_FLOATDEG(lm75_read(&i2c_bus, LM75_ADDR));
sem_release(&i2c_sem);
return res;
}
float measures_acceleration(Mma845xAxis axis)
{
sem_obtain(&i2c_sem);
int acc = mma845x_read(&i2c_bus, 0, axis);
sem_release(&i2c_sem);
if (acc == MMA_ERROR)
return -6.66;
else
return (acc * 9.81 * 4.0) / 512;
}
static void NORETURN acc_process(void)
{
ticks_t start = timer_clock();
mtime_t delay = 0;
while (1)
{
sem_obtain(&i2c_sem);
bool r = mma845x_rawAcc(&i2c_bus, 0, acc_buf[acc_idx].acc);
sem_release(&i2c_sem);
if (!r)
kprintf("ACC error!\n");
if (++acc_idx >= countof(acc_buf))
{
acc_idx = 0;
logging_acc(acc_buf, sizeof(acc_buf));
}
/* Wait for the next sample adjusting for time spent above */
delay += (1000 / ACC_SAMPLE_RATE);
timer_delay(delay - ticks_to_ms(timer_clock() - start));
}
}
