void sample_callback()
{
// Send a debug string
QK_LOG_DEBUG("%s [called %d times]", __FUNCTION__, counter++);
// Generate some data
time += 0.01;
wave = sin(2.0*M_PI*3.0*time)*cos(2.0*M_PI*time);
// Fill data values
qk_data_set_value_f(0, time);
qk_data_set_value_f(1, sin(2.0*M_PI*2.0*time));
qk_data_set_value_f(2, wave);
qk_data_set_value_f(3, wave+0.5);
qk_data_set_value_f(4, wave+0.8);
qk_data_set_value_f(5, wave+1.0);
dat_buf[0].value.f = time;
dat_buf[1].value.f =
// Generate some events
if((counter % 10) == 0)
{
evt_args[0] = 123.123+(float)counter;
evt_args[1] = 456.456+(float)counter;
qk_event_set_args(0, evt_args, 2);
qk_event_generate(0, "event fired with some arguments");
}
void core_callback_app(qk_callback_arg *arg)
{
char str[7] = "hello\n\0";
if(send)
{
qk_uart_write(QK_UART_1, (uint8_t*)str, 7);
send = false;
}
if(qk_uart_bytes_available(QK_UART_1) > 0)
{
char rxbuf[16];
qk_uart_read(QK_UART_1, rxbuf, 16);
QK_LOG_DEBUG("rx: %s\n", rxbuf);
send = true;
}
}
