/*
* Application entry point.
*/
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();
/*
* Activates the serial driver 2 and SDC driver 1 using default
* configuration.
*/
sdStart(&SD6, NULL);
BaseSequentialStream *chp = (BaseSequentialStream *)&SD6;
chprintf(chp, "running main()\r\n");
chThdSleepMilliseconds(50);
#if STM32_USB_USE_OTG2
USBDriver *usb_driver = &USBD2;
#else
USBDriver *usb_driver = &USBD1;
#endif
/*
* Activates the card insertion monitor.
*/
init_sd();
chprintf(chp, "done starting SDC\r\n");
const bool_t sdcConnectStatus = sdcConnect(&SDCD1);
if( sdcConnectStatus != CH_SUCCESS ) {
chprintf(chp, "failed to connect to SD Card, sdcConnectStatus = %u\r\n", sdcConnectStatus);
for(;;) {
chThdSleepMilliseconds(3000);
}
}
chprintf(chp, "setting up MSD\r\n");
const usb_msd_driver_state_t msd_driver_state = msdInit(usb_driver, (BaseBlockDevice*)&SDCD1, &UMSD1, USB_MS_DATA_EP, USB_MSD_INTERFACE_NUMBER);
if( msd_driver_state != USB_MSD_DRIVER_OK ) {
chprintf(chp, "Error initing USB MSD, %d %s\r\n", msd_driver_state, usb_msd_driver_state_t_to_str(msd_driver_state));
}
UMSD1.chp = chp;
chprintf(chp, "Initializing SDU1...\r\n");
serusbcfg.usbp = usb_driver;
sduObjectInit(&SDU1);
/*Disconnect the USB Bus*/
usbDisconnectBus(usb_driver);
chThdSleepMilliseconds(200);
/*Start the useful functions*/
sduStart(&SDU1, &serusbcfg);
msdStart(&UMSD1);
usbStart(usb_driver, &msd_usb_config);
/*Connect the USB Bus*/
usbConnectBus(usb_driver);
/*
* Creates the blinker thread.
*/
chprintf(chp, "starting blinker thread\r\n");
chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL);
while (TRUE) {
palTogglePad(GPIOC, GPIOC_LED);
chThdSleepMilliseconds(500);
}
}
static msg_t thdUsbStorage(void *arg)
{
(void) arg; // unused
chRegSetThreadName("UsbStorage:polling");
uint antiBounce=5;
EventListener connected;
// Should use EXTI interrupt instead of active polling,
// but in the chibios_opencm3 implementation, since EXTI is
// used via libopencm3, ISR are routed on pprz/opencm3 and cannot
// be used concurrently by chibios api
// Should be fixed when using chibios-rt branch
while (!chThdShouldTerminate() && antiBounce) {
const bool_t usbConnected = palReadPad (GPIOA, GPIOA_OTG_FS_VBUS);
if (usbConnected)
antiBounce--;
else
antiBounce=5;
chThdSleepMilliseconds(20);
}
isRunning = true;
chRegSetThreadName("UsbStorage:connected");
/* Stop the logs*/
chibios_logFinish (true);
/* connect sdcard sdc interface sdio */
if (sdioConnect () == false)
chThdExit (RDY_TIMEOUT);
/* initialize the USB mass storage driver */
msdInit(&UMSD1);
/* start the USB mass storage service */
msdStart(&UMSD1, &msdConfig);
/* start the USB driver */
usbDisconnectBus(&USBD1);
chThdSleepMilliseconds(1000);
usbStart(&USBD1, &usbConfig);
usbConnectBus(&USBD1);
/* wait for a real usb storage connexion before shutting down autopilot */
chEvtRegisterMask(&UMSD1.evt_connected, &connected, EVENT_MASK(1));
chEvtWaitOne(EVENT_MASK(1));
/* stop autopilot */
if (pprzThdPtr != NULL) {
chThdTerminate (pprzThdPtr);
chThdWait (pprzThdPtr);
pprzThdPtr = NULL;
}
/* wait until usb-storage is unmount and usb cable is unplugged*/
while (!chThdShouldTerminate() && palReadPad (GPIOA, GPIOA_OTG_FS_VBUS)) {
chThdSleepMilliseconds(10);
}
/* then close open descriptors and reboot autopilot */
usbDisconnectBus(&USBD1);
chThdSleepMilliseconds(500);
msdStop(&UMSD1);
sdioDisconnect ();
MCU_RESTART();
return RDY_OK;
}
int main(void)
{
// copy vector table
memcpy((char *)0x20000000, (const char *)&_vectors, 0x200);
// remap SRAM1 to 0x00000000
SYSCFG->MEMRMP |= 0x03;
/* system & hardware initialization */
halInit();
// float usb inputs, hope the host notices detach...
palSetPadMode(GPIOA, 11, PAL_MODE_INPUT);
palSetPadMode(GPIOA, 12, PAL_MODE_INPUT);
// setup LEDs
palSetPadMode(LED1_PORT,LED1_PIN,PAL_MODE_OUTPUT_PUSHPULL);
palSetPadMode(LED2_PORT, LED2_PIN, PAL_MODE_OUTPUT_PUSHPULL);
palClearPad(LED1_PORT,LED1_PIN);
palSetPad(LED2_PORT,LED2_PIN);
chSysInit();
palSetPadMode(GPIOA, 11, PAL_MODE_ALTERNATE(10));
palSetPadMode(GPIOA, 12, PAL_MODE_ALTERNATE(10));
palSetPadMode(GPIOC, 8, PAL_MODE_ALTERNATE(12) | PAL_STM32_OSPEED_HIGHEST);
palSetPadMode(GPIOC, 9, PAL_MODE_ALTERNATE(12) | PAL_STM32_OSPEED_HIGHEST);
palSetPadMode(GPIOC, 10, PAL_MODE_ALTERNATE(12) | PAL_STM32_OSPEED_HIGHEST);
palSetPadMode(GPIOC, 11, PAL_MODE_ALTERNATE(12) | PAL_STM32_OSPEED_HIGHEST);
palSetPadMode(GPIOC, 12, PAL_MODE_ALTERNATE(12) | PAL_STM32_OSPEED_HIGHEST);
palSetPadMode(GPIOD, 2, PAL_MODE_ALTERNATE(12) | PAL_STM32_OSPEED_HIGHEST);
chThdSleepMilliseconds(50);
/* initialize the SD card */
sdcStart(&SDCD1, NULL);
sdcConnect(&SDCD1);
/* initialize the USB mass storage driver */
msdInit(&UMSD1);
/* turn off green LED, turn on red LED */
palSetPadMode(LED1_PORT, LED1_PIN, PAL_MODE_OUTPUT_PUSHPULL);
palClearPad(LED1_PORT, LED1_PIN);
palSetPadMode(LED2_PORT, LED2_PIN, PAL_MODE_OUTPUT_PUSHPULL);
palSetPad(LED2_PORT, LED2_PIN);
/* start the USB mass storage service */
int ret = msdStart(&UMSD1, &msdConfig);
if (ret != 0) {
/* no media found : bye bye !*/
usbDisconnectBus(&USBD1);
chThdSleepMilliseconds(1000);
NVIC_SystemReset();
}
/* watch the mass storage events */
EventListener connected;
EventListener ejected;
chEvtRegisterMask(&UMSD1.evt_connected, &connected, EVENT_MASK(1));
chEvtRegisterMask(&UMSD1.evt_ejected, &ejected, EVENT_MASK(2));
/* start the USB driver */
usbDisconnectBus(&USBD1);
chThdSleepMilliseconds(1000);
usbStart(&USBD1, &usbConfig);
usbConnectBus(&USBD1);
while (TRUE)
{
eventmask_t event = chEvtWaitOne(EVENT_MASK(1) | EVENT_MASK(2));
if (event == EVENT_MASK(1))
{
/* media connected */
}
else if (event == EVENT_MASK(2))
{
/* media ejected : bye bye !*/
usbDisconnectBus(&USBD1);
chThdSleepMilliseconds(1000);
NVIC_SystemReset();
}
}
return 0;
}
