/*
* Application entry point.
*/
int main(void) {
// thread representing the shell
Thread *shelltp = NULL;
/*
* System initializations.
* - HAL initialization, this also initializes the configured device drivers
* and performs the board-specific initializations.
* - Kernel initialization, the main() function becomes a thread and the
* RTOS is active.
*/
halInit();
chSysInit();
USBInit();
// main activity - shell respawn upon its termination.
while (TRUE) {
if (!shelltp && isUSBActive()) { // Checks if shell doesnt exist and USB is active
/* Spawns a new shell.*/
shelltp = shellCreate(&shell_cfg1, SHELL_WA_SIZE, NORMALPRIO);
}
else {
/* If the previous shell exited.*/
if (chThdTerminated(shelltp)) {
/* Recovers memory of the previous shell.*/
chThdRelease(shelltp);
shelltp = NULL;
}
}
chThdSleepMilliseconds(500);
}
}
int spawnShell(void) {
const int ONE_THOUSAND_MILLISECONDS = 1000;
const int THREAD_WORKING_AREA_SIZE = 2048;
Thread *shellThread = NULL;
while (TRUE) {
// If we don't have a shell but a living USB connection, create a new thread with the shell.
if (!shellThread && isUSBActive()) {
shellThread = shellCreate(&shellConfiguration, THD_WA_SIZE(THREAD_WORKING_AREA_SIZE), NORMALPRIO);
}
else if (chThdTerminated(shellThread)) {
// Recover memory of the previous shell.
chThdRelease(shellThread);
// Trigger spawning of a new shell.
shellThread = NULL;
}
chThdSleepMilliseconds(ONE_THOUSAND_MILLISECONDS);
}
}
int main(void)
{
/*
* System initializations.
* - HAL initialization, this also initializes the configured
* device drivers and performs the board-specific initializations.
* - Kernel initialization, the main() function becomes a thread
* and the RTOS is active.
*/
halInit();
chSysInit();
/*
*
* Initializes a serial-over-USB CDC driver.
*
*/
sduObjectInit(&SDU1);
sduStart(&SDU1, &serusbcfg);
/*
*
* Activates the USB driver and then the USB bus pull-up on D+.
*
*/
usbDisconnectBus(serusbcfg.usbp);
chThdSleepMilliseconds(500);
usbStart(serusbcfg.usbp, &usbcfg);
usbConnectBus(serusbcfg.usbp);
/*
*
* Start I2C and set up sensors
*
*/
i2cStart(&I2CD2, &i2cfg2);
/* Initialize Accelerometer and Gyroscope */
if (MPU6050Init(&mpu6050cfg) != MSG_OK)
panic("MPU6050 init failed"); /* Initialization failed */
/* Initialize Magnetometer */
if (HMC5983Init(&hmc5983cfg) != MSG_OK)
panic("HMC5983 init failed"); /* Initialization failed */
/* Initialize Barometer */
/* TODO: Add barometer code */
/* Initialize sensor readout */
if (SensorReadInit(&mpu6050cfg, &hmc5983cfg,
&mpu6050cal, &hmc5983cal) != MSG_OK)
panic("Sensor Read init failed"); /* Initialization failed */
/*
*
* Start the external interrupts
*
*/
extStart(&EXTD1, &extcfg);
/*
*
* Initialize the RC Outputs
*
*/
if (RCOutputInit(&rcoutputcfg) != MSG_OK)
panic("RC output init failed"); /* Initialization failed */
/*
*
* Start RC Inputs
*
*/
eicuInit();
eicuStart(&EICUD9, &rcinputcfg);
eicuEnable(&EICUD9);
/*
*
* Start test thread
*
*/
chThdCreateStatic( waThreadTestEvents,
sizeof(waThreadTestEvents),
HIGHPRIO,
ThreadTestEvents,
NULL);
while(1)
{
chThdSleepMilliseconds(100);
if (isUSBActive() == true)
chprintf((BaseSequentialStream *)&SDU1, "Input width: %u\r\n", ic_test);
}
}
