int main(void) {
if (GPIOGetPinValue( PIN_ISP ) == 0)
{
ReinvokeISP();
}
/* Prepare the hardware to run this demo. */
prvSetupHardware();
xTaskCreate(ui_task, /* The function that implements the task. */
( signed char * ) "UI", /* The text name assigned to the task - for debug only as it is not used by the kernel. */
200, /* The size of the stack to allocate to the task. */
NULL, /* The parameter passed to the task - just to check the functionality. */
tskIDLE_PRIORITY, /* The priority assigned to the task. */
NULL );
xTaskCreate(nfc_task, /* The function that implements the task. */
( signed char * ) "NFC", /* The text name assigned to the task - for debug only as it is not used by the kernel. */
500, /* The size of the stack to allocate to the task. */
NULL, /* The parameter passed to the task - just to check the functionality. */
tskIDLE_PRIORITY, /* The priority assigned to the task. */
NULL );
xUIQueue = xQueueCreate(1,sizeof(secure_payload_sample_t));
/* Start the tasks and timer running. */
vTaskStartScheduler();
/* If all is well, the scheduler will now be running, and the following
line will never be reached. If the following line does execute, then
there was insufficient FreeRTOS heap memory available for the idle and/or
timer tasks to be created. See the memory management section on the
FreeRTOS web site for more details. */
for( ;; );
}
uint8_t Init_Flash(){
read_flash();
if(!CheckMagicCode()){
reset_flash();
write_flash();
}else{
if(option.isISP == true){
option.isISP = false;
write_flash();
ReinvokeISP();
}
}
return option.isOpposite;
}
void ISPandReset(void){
#if CFG_USBMSC
if(usbMSCenabled&USB_MSC_ENABLEFLAG){
usbMSCOff();
delayms(500);
};
#endif
#if CFG_USBCDC
if(1){
USB_Connect(FALSE);
delayms(500);
};
#endif
EnableWatchdog(1000*15);
ReinvokeISP();
};
void main(void) {
// Configure cpu and mandatory peripherals
cpuInit(); // Configure the CPU
// we do it later
// systickInit(CFG_SYSTICK_DELAY_IN_MS); // Start systick timer
// cpuInit already calls this
// gpioInit(); // Enable GPIO
pmuInit(); // Configure power management
adcInit(); // Config adc pins to save power
// initialise basic badge functions
rbInit();
initUUID(); // Cache UUID values.
lcdInit(); // display
lcdFill(0);
lcdDisplay();
switch(getInputRaw()){
case BTN_ENTER:
lcdPrint("ISP active");
lcdRefresh();
ReinvokeISP();
break;
case BTN_DOWN:
lcdPrint("MSC active");
lcdRefresh();
usbMSCInit();
while(1);
break;
};
fsInit();
if( getInputRaw() == BTN_UP ){ // Reset config
saveConfig();
}
wrapper(); // see applications/ subdirectory
}
void gpio_init(void)
{
// enable clock for GPIO port 0
LPC_SYSCON->SYSAHBCLKCTRL |= (1UL << 6);
#if defined(TARGET_POWER_HOLD)
// Target PowerHOLD port
PIN_PWH_IOCON = PIN_PWH_IOCON_INIT;
LPC_GPIO->CLR[PIN_PWH_PORT] = PIN_PWH;
LPC_GPIO->DIR[PIN_PWH_PORT] |= PIN_PWH;
#endif
// configure GPIO-LED as output
#if defined(CONTROLLED_POWER_LED)
// Power led (red)
PIN_POW_LED_IOCON = PIN_POW_LED_IOCON_INIT;
LPC_GPIO->CLR[PIN_POW_LED_PORT] = PIN_POW_LED;
LPC_GPIO->DIR[PIN_POW_LED_PORT] |= PIN_POW_LED;
#endif
// DAP led (green)
PIN_DAP_LED_IOCON = PIN_DAP_LED_IOCON_INIT;
LPC_GPIO->SET[PIN_DAP_LED_PORT] = PIN_DAP_LED;
LPC_GPIO->DIR[PIN_DAP_LED_PORT] |= PIN_DAP_LED;
// MSD led (red)
PIN_MSD_LED_IOCON = PIN_MSD_LED_IOCON_INIT;
LPC_GPIO->SET[PIN_MSD_LED_PORT] = PIN_MSD_LED;
LPC_GPIO->DIR[PIN_MSD_LED_PORT] |= PIN_MSD_LED;
// Serial LED (blue)
PIN_CDC_LED_IOCON = PIN_CDC_LED_IOCON_INIT;
LPC_GPIO->SET[PIN_CDC_LED_PORT] = PIN_CDC_LED;
LPC_GPIO->DIR[PIN_CDC_LED_PORT] |= PIN_CDC_LED;
// configure Button(s) as input
PIN_RESET_IN_IOCON = PIN_RESET_IN_IOCON_INIT;
LPC_GPIO->DIR[PIN_RESET_IN_PORT] &= ~PIN_RESET_IN;
PIN_RESET_IN_FWRD_IOCON = PIN_RESET_IN_FWRD_IOCON_INIT;
LPC_GPIO->DIR[PIN_RESET_IN_FWRD_PORT] &= ~PIN_RESET_IN_FWRD;
#if !defined(PIN_nRESET_FET_DRIVE)
// open drain logic for reset button
PIN_nRESET_IOCON = PIN_nRESET_IOCON_INIT;
LPC_GPIO->CLR[PIN_nRESET_PORT] = PIN_nRESET;
LPC_GPIO->DIR[PIN_nRESET_PORT] &= ~PIN_nRESET;
#else
// FET drive logic for reset button
PIN_nRESET_IOCON = PIN_nRESET_IOCON_INIT;
LPC_GPIO->CLR[PIN_nRESET_PORT] = PIN_nRESET;
LPC_GPIO->DIR[PIN_nRESET_PORT] |= PIN_nRESET;
#endif
/* Enable AHB clock to the FlexInt, GroupedInt domain. */
LPC_SYSCON->SYSAHBCLKCTRL |= ((1 << 19) | (1 << 23) | (1 << 24));
// Give the cap on the reset button time to charge
busy_wait(10000);
if ((gpio_get_sw_reset() == 0) || config_ram_get_initial_hold_in_bl()) {
IRQn_Type irq;
// Disable SYSTICK timer and interrupt before calling into ISP
SysTick->CTRL &= ~(SysTick_CTRL_ENABLE_Msk | SysTick_CTRL_TICKINT_Msk);
// Disable all nvic interrupts
for (irq = (IRQn_Type)0; irq < (IRQn_Type)32; irq++) {
NVIC_DisableIRQ(irq);
NVIC_ClearPendingIRQ(irq);
}
// If switching to "bootloader" mode then setup the watchdog
// so it will exit CRP mode after ~30 seconds
if (config_ram_get_initial_hold_in_bl()) {
LPC_SYSCON->SYSAHBCLKCTRL |= (1 << 15); // Enable watchdog module
LPC_SYSCON->PDRUNCFG &= ~(1 << 6); // Enable watchdog clock (WDOSC)
LPC_SYSCON->WDTOSCCTRL = (0xF << 5); // Set max frequency - 2.3MHz
LPC_WWDT->CLKSEL = (1 << 0); // Select watchdog clock
LPC_WWDT->TC = 0x00FFFFFF; // Set time to reset to ~29s
LPC_WWDT->MOD = (1 << 0) | (1 << 1); // Enable watchdog and set reset
LPC_WWDT->FEED = 0xAA; // Enable watchdog
LPC_WWDT->FEED = 0x55;
}
ReinvokeISP();
}
}