void init_all()
{
init_io();
init_periph();
USART_init(UBBR_VALUE);
init_timer1();
set_sleep_mode(SLEEP_MODE_IDLE);
}
int main(void)
{
unsigned long ulPeriod;
unsigned long ulDelay;
unsigned long recvData = 11;
volatile int status = 0;
char buffer[40];
unsigned int bytesdRead;
FRESULT res;
FIL fileobj;
SysCtlClockSet(SYSCTL_SYSDIV_1 | SYSCTL_USE_OSC | SYSCTL_OSC_MAIN | SYSCTL_XTAL_8MHZ);
//Initialize pins
init_pins();
//Initialize peripherals
init_periph();
I2CMasterInitExpClk(I2C0_MASTER_BASE, SysCtlClockGet(), false);//false for 100kHz mode
//0x68 is the 7-bit address of the DS1307
I2CMasterSlaveAddrSet(I2C0_MASTER_BASE, 0x68, false);//true for a read action
I2CMasterDataPut(I2C0_MASTER_BASE, 0x10); //first Date/Time Register
I2CMasterControl(I2C0_MASTER_BASE, I2C_MASTER_CMD_SINGLE_SEND);
while(I2CMasterBusy(I2C0_MASTER_BASE)){}
I2CMasterControl(I2C0_MASTER_BASE, I2C_MASTER_CMD_SINGLE_RECEIVE);
while(I2CMasterBusy(I2C0_MASTER_BASE)){}
recvData = I2CMasterDataGet(I2C0_MASTER_BASE);
while(I2CMasterBusy(I2C0_MASTER_BASE)){}
fs_mount();
if(disk_status(0) == 0)
{
status++;
}
else
{
status--;
}
if (status == 1) {
res = f_open(&fileobj, "config.txt", FA_OPEN_EXISTING | FA_READ);
res = f_read(&fileobj, buffer, 6, &bytesdRead);
}
SysCtlPeripheralEnable(SYSCTL_PERIPH_GPIOD);
GPIOPinTypeGPIOOutput(GPIO_PORTD_BASE, GPIO_PIN_0);
ulPeriod = SysCtlClockGet() / 10;
ulDelay = ((ulPeriod / 2) / 3) - 4 ;
while(1)
{
// Turn on the LED
GPIOPinWrite(GPIO_PORTD_BASE, GPIO_PIN_0, 0x01);
// Delay for a bit
SysCtlDelay(ulDelay);
// Turn off the LED
GPIOPinWrite(GPIO_PORTD_BASE, GPIO_PIN_0, 0x00);
// Delay for a bit
SysCtlDelay(ulDelay);
}
}
