int main() {
mbed_interface_disconnect(); //disable debug interface. and acces to MAC and local FS. ADC will work better!
timer.start();
serial_buffered.baud(BAUDRATE);
setup();
while (1) {
loop();
}
}
int mdm_init(void) {
// Hard reset the modem (doesn't go through
// the signal level translator)
mdm_reset = 0;
// disable signal level translator (necessary
// for the modem to boot properly). All signals
// except mdm_reset go through the level translator
// and have internal pull-up/down in the module. While
// the level translator is disabled, these pins will
// be in the correct state.
shield_3v3_1v8_sig_trans_ena = 0;
// While the level translator is disabled and ouptut pins
// are tristated, make sure the inputs are in the same state
// as the WNC Module pins so that when the level translator is
// enabled, there are no differences.
mdm_uart2_rx_boot_mode_sel = 1; // UART2_RX should be high
mdm_power_on = 0; // powr_on should be low
mdm_wakeup_in = 1; // wake-up should be high
mdm_uart1_cts = 0; // indicate that it is ok to send
// Now, wait for the WNC Module to perform its initial boot correctly
wait(1.0);
// The WNC module initializes comms at 115200 8N1 so set it up
mdm.baud(115200);
//Now, enable the level translator, the input pins should now be the
//same as how the M14A module is driving them with internal pull ups/downs.
//When enabled, there will be no changes in these 4 pins...
shield_3v3_1v8_sig_trans_ena = 1;
// Now, give the modem 60 secons to start responding by
// sending simple 'AT' commands to modem once per second.
Timer timer;
timer.start();
while (timer.read() < 60) {
const char * rsp_lst[] = { ok_str, error_str, NULL };
int rc = mdm_sendAtCmd("AT", rsp_lst, 500);
if (rc == 0)
return true; //timer.read();
wait_ms(1000 - (timer.read_ms() % 1000));
pc.printf("\r%d",timer.read_ms()/1000);
}
return false;
}