int main(void)
{
int bankNumber;
int pin;
char direction[5];
int errorCheck;
int loop=1;
int pinValue;
int value;
gpioBank *bank;//Creates the pointer that will hold the structure to store all the address for the gpio bank
system("clear");
printf("%s\n", "What GPIO bank do you wish to set as input or output? 0, 1, 2, or 3: ");
fflush(stdout);
fscanf(stdin, "%ui1", &bankNumber);
fflush(stdin);
printf("\n%s\n", "What pin do you wish to edit or read the value of? 0-31: ");
fflush(stdout);
fscanf(stdin,"%ui2", &pin);
fflush(stdin);
printf("\n%s\n", "What direction do you wish to make this pin? in or out ");
fflush(stdout);
fscanf(stdin,"%s3", direction);
fflush(stdin);
printf("\n%s\n", "Should the pin be high(1) or low(0) if output (Ignored it not)?: ");
fflush(stdout);
fscanf(stdin,"%ui2", &value);
fflush(stdin);
printf("\n%s", "Here is what you typed");
printf("\n%s%u", "Bank:", bankNumber);
printf("\n%s%u", "Pin:", pin);
printf("\n%s%s", "Direction:", direction);
printf("\n%s%u\n", "Value to write:", value);
bank=gpioinit(bankNumber);
gpiodirection(bank, pin, direction);
if(strncmp("in",direction,2)==0)
{
pinValue=gpioRead(bank,pin);
printf("\n%s%u","Current Value:", pinValue);
while(loop==1)
{
printf("\n%s", "Would you like to read the value of the pin again? (1)Yes (0)No: ");
scanf("%u1", &loop);
pinValue=gpioRead(bank,pin);
printf("\n%s%u","Current Value:", pinValue);
}
}
if(strncmp("ou",direction,2)==0)
{
gpiowrite(bank, pin, value);
}
gpiodone(bank);//Don't forget to close the banks you aren't going to use.
return 0;
}
static void spi_chipselect(struct spi_device *spi, int is_active)
{
struct spi_stellaris_config *priv_dev = spi_get_ctldata(spi);
int active = is_active != BITBANG_CS_INACTIVE;
int dev_is_lowactive = !(spi->mode & SPI_CS_HIGH);
int value = dev_is_lowactive ^ active;
dev_dbg(&spi->dev, "%s: cs %i [0x%X], value %i\n", __func__,
spi->chip_select, priv_dev->gpio_chipselect, value);
gpiowrite(priv_dev->gpio_chipselect, value);
}
