/*! \brief Main function. Execution starts here.
*/
int main(void)
{
irq_initialize_vectors();
cpu_irq_enable();
// Initialize the sleep manager
sleepmgr_init();
sysclk_init();
board_init();
ui_init();
ui_powerdown();
// Start USB stack to authorize VBus monitoring
udc_start();
// The main loop manages only the power mode
// because the USB management is done by interrupt
while (true) {
sleepmgr_enter_sleep();
if (main_b_cdc_enable) {
// Here CPU wakeup at each SOF (1ms)
for (uint8_t port = 0; port < UDI_CDC_PORT_NB; port++) {
if (!(main_port_open & (1 << port))) {
// Port not open
continue;
}
if (!udi_cdc_multi_is_rx_ready(port)) {
// No data received
continue;
}
int value = udi_cdc_multi_getc(port);
if (value != 'p') {
// Ignore this value
continue;
}
udi_cdc_multi_write_buf(port, "PORT", sizeof("PORT")-1);
udi_cdc_multi_putc(port, port+'0');
udi_cdc_multi_putc(port, '\n');
udi_cdc_multi_putc(port, '\r');
}
}
}
}
iram_size_t udi_cdc_write_buf(const void* buf, iram_size_t size)
{
return udi_cdc_multi_write_buf(0, buf, size);
}
