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Indentation fixes in .c examples #2

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120 changes: 59 additions & 61 deletions 2-gpio/blink.c
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Original file line number Diff line number Diff line change
Expand Up @@ -31,65 +31,63 @@

int main(int argc, char **argv)
{

int i;

if (!bcm2835_init())
return 1;

// Set the pins to be an output
bcm2835_gpio_fsel(PIN0, BCM2835_GPIO_FSEL_OUTP);
bcm2835_gpio_fsel(PIN1, BCM2835_GPIO_FSEL_OUTP);
bcm2835_gpio_fsel(PIN2, BCM2835_GPIO_FSEL_OUTP);
bcm2835_gpio_fsel(PIN3, BCM2835_GPIO_FSEL_OUTP);
bcm2835_gpio_fsel(PIN4, BCM2835_GPIO_FSEL_OUTP);
bcm2835_gpio_fsel(PIN5, BCM2835_GPIO_FSEL_OUTP);
bcm2835_gpio_fsel(PIN6, BCM2835_GPIO_FSEL_OUTP);
bcm2835_gpio_fsel(PIN7, BCM2835_GPIO_FSEL_OUTP);

while(1)
{
bcm2835_gpio_set(PIN0);
bcm2835_delay(500);
bcm2835_gpio_clr(PIN0);
bcm2835_delay(500);

bcm2835_gpio_set(PIN1);
bcm2835_delay(500);
bcm2835_gpio_clr(PIN1);
bcm2835_delay(500);
bcm2835_gpio_set(PIN2);
bcm2835_delay(500);
bcm2835_gpio_clr(PIN2);
bcm2835_delay(500);

bcm2835_gpio_set(PIN3);
bcm2835_delay(500);
bcm2835_gpio_clr(PIN3);
bcm2835_delay(500);

bcm2835_gpio_set(PIN4);
bcm2835_delay(500);
bcm2835_gpio_clr(PIN4);
bcm2835_delay(500);

bcm2835_gpio_set(PIN5);
bcm2835_delay(500);
bcm2835_gpio_clr(PIN5);
bcm2835_delay(500);

bcm2835_gpio_set(PIN6);
bcm2835_delay(500);
bcm2835_gpio_clr(PIN6);
bcm2835_delay(500);

bcm2835_gpio_set(PIN7);
bcm2835_delay(500);
bcm2835_gpio_clr(PIN7);
bcm2835_delay(500);
}

bcm2835_close();
return 0;
int i;

if (!bcm2835_init())
return 1;

// Set the pins to be an output
bcm2835_gpio_fsel(PIN0, BCM2835_GPIO_FSEL_OUTP);
bcm2835_gpio_fsel(PIN1, BCM2835_GPIO_FSEL_OUTP);
bcm2835_gpio_fsel(PIN2, BCM2835_GPIO_FSEL_OUTP);
bcm2835_gpio_fsel(PIN3, BCM2835_GPIO_FSEL_OUTP);
bcm2835_gpio_fsel(PIN4, BCM2835_GPIO_FSEL_OUTP);
bcm2835_gpio_fsel(PIN5, BCM2835_GPIO_FSEL_OUTP);
bcm2835_gpio_fsel(PIN6, BCM2835_GPIO_FSEL_OUTP);
bcm2835_gpio_fsel(PIN7, BCM2835_GPIO_FSEL_OUTP);

while(1)
{
bcm2835_gpio_set(PIN0);
bcm2835_delay(500);
bcm2835_gpio_clr(PIN0);
bcm2835_delay(500);

bcm2835_gpio_set(PIN1);
bcm2835_delay(500);
bcm2835_gpio_clr(PIN1);
bcm2835_delay(500);
bcm2835_gpio_set(PIN2);
bcm2835_delay(500);
bcm2835_gpio_clr(PIN2);
bcm2835_delay(500);

bcm2835_gpio_set(PIN3);
bcm2835_delay(500);
bcm2835_gpio_clr(PIN3);
bcm2835_delay(500);

bcm2835_gpio_set(PIN4);
bcm2835_delay(500);
bcm2835_gpio_clr(PIN4);
bcm2835_delay(500);

bcm2835_gpio_set(PIN5);
bcm2835_delay(500);
bcm2835_gpio_clr(PIN5);
bcm2835_delay(500);

bcm2835_gpio_set(PIN6);
bcm2835_delay(500);
bcm2835_gpio_clr(PIN6);
bcm2835_delay(500);

bcm2835_gpio_set(PIN7);
bcm2835_delay(500);
bcm2835_gpio_clr(PIN7);
bcm2835_delay(500);
}

bcm2835_close();
return 0;
}

25 changes: 12 additions & 13 deletions 2-gpio/switch.c
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Original file line number Diff line number Diff line change
Expand Up @@ -31,24 +31,23 @@

int main(int argc, char **argv)
{

int i;

if (!bcm2835_init())
return 1;

// Set the pins to be an output
bcm2835_gpio_fsel(PIN0, BCM2835_GPIO_FSEL_OUTP);
bcm2835_gpio_fsel(PIN0, BCM2835_GPIO_FSEL_OUTP);
bcm2835_gpio_fsel(PIN1, BCM2835_GPIO_FSEL_OUTP);
bcm2835_gpio_fsel(PIN2, BCM2835_GPIO_FSEL_OUTP);
bcm2835_gpio_fsel(PIN3, BCM2835_GPIO_FSEL_OUTP);
bcm2835_gpio_fsel(PIN4, BCM2835_GPIO_FSEL_OUTP);
bcm2835_gpio_fsel(PIN5, BCM2835_GPIO_FSEL_OUTP);
bcm2835_gpio_fsel(PIN6, BCM2835_GPIO_FSEL_OUTP);
bcm2835_gpio_fsel(PIN7, BCM2835_GPIO_FSEL_OUTP);
bcm2835_gpio_fsel(PIN2, BCM2835_GPIO_FSEL_OUTP);
bcm2835_gpio_fsel(PIN3, BCM2835_GPIO_FSEL_OUTP);
bcm2835_gpio_fsel(PIN4, BCM2835_GPIO_FSEL_OUTP);
bcm2835_gpio_fsel(PIN5, BCM2835_GPIO_FSEL_OUTP);
bcm2835_gpio_fsel(PIN6, BCM2835_GPIO_FSEL_OUTP);
bcm2835_gpio_fsel(PIN7, BCM2835_GPIO_FSEL_OUTP);

while(1)
{
{
//turn the even leds on
//turn the odd leds off
bcm2835_gpio_write(PIN0, HIGH);
Expand Down Expand Up @@ -79,8 +78,8 @@ int main(int argc, char **argv)

// wait a little bit
bcm2835_delay(500);
}
bcm2835_close();
return 0;
}

bcm2835_close();
return 0;
}

18 changes: 8 additions & 10 deletions 3-lightsensor/light.c
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Original file line number Diff line number Diff line change
Expand Up @@ -21,10 +21,9 @@

int main(int argc, char **argv)
{


if (!bcm2835_init())
return 1;
if (!bcm2835_init())
return 1;

char temp[1]; //temporary values
int ret;
int ad[2];
Expand All @@ -36,21 +35,21 @@ int main(int argc, char **argv)
temp[0] = 0xa0; //select the control register
bcm2835_i2c_write(temp,1);
temp[0] = 0x03; //Power up the device
bcm2835_i2c_write(temp,1);
bcm2835_i2c_write(temp,1);
bcm2835_delay(500);

bcm2835_i2c_read(temp,1);
printf("%x - if 33 the device is turned on\n",temp[0]);

temp[0] = 0xac; //Channel 0 lower byte
bcm2835_i2c_write(temp,1);
bcm2835_i2c_write(temp,1);
bcm2835_i2c_read(temp,1);

ad[1]= (int)temp[0];

temp[0] = 0xad; //channel 0 upper byte
bcm2835_i2c_write(temp,1);
bcm2835_i2c_read(temp,1);
temp[0] = 0xad; //channel 0 upper byte
bcm2835_i2c_write(temp,1);
bcm2835_i2c_read(temp,1);

ad[0] = (int)temp[0];
printf("ad value:%d\n",ad[0]*256+ad[1]);
Expand All @@ -60,4 +59,3 @@ int main(int argc, char **argv)

return 0;
}

10 changes: 5 additions & 5 deletions 4-temperature/temperature.c
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Original file line number Diff line number Diff line change
Expand Up @@ -15,7 +15,7 @@
// $Id: RF22.h,v 1.21 2012/05/30 01:51:25 mikem Exp $

/*******************
length command extra 0-rw-register-cr-00
length command extra 0-rw-register-cr-00
Read the status(0) 2 0x40 ro 0100 0000
read the configur(1) 2 0x48 r 0100 1000
write the confi 2 0x08 w 0000 1000
Expand All @@ -38,7 +38,8 @@ write the Tlow 3 0x38 w 0011 1000
int main(int argc, char **argv)
{
if (!bcm2835_init())
return 1;
return 1;

char buffer[4];
buffer[0] = 50;
int i,temp;
Expand All @@ -62,10 +63,10 @@ int main(int argc, char **argv)
{
buffer[0] = 0x50; //read the temp
bcm2835_spi_transfern(buffer,3);
printf("status %02X %02X\n",buffer[1],buffer[2]);
printf("status %02X %02X\n", buffer[1], buffer[2]);
temp = buffer[1];
temp = temp<<8;
temp = temp + ( buffer[2] & 0xF8);
temp = temp + ( buffer[2] & 0xF8);
printf("status %08x\n",temp);
temp = temp>>3;
temp = temp/16;
Expand All @@ -77,4 +78,3 @@ int main(int argc, char **argv)
bcm2835_close();
return 0;
}