* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
-#include "stdio.h"
+#include <stdio.h>
#include <string.h>
+#include <unistd.h>
+
#include "mraa/gpio.h"
int
-main(int argc, char **argv)
+main(int argc, char** argv)
{
mraa_platform_t platform = mraa_get_platform_type();
- mraa_gpio_context gpio;
- char board_name[] = "Some weird devboard that isn't recognised...";
+ mraa_gpio_context gpio, gpio_in = NULL;
+ char* board_name = mraa_get_platform_name();
int ledstate = 0;
switch (platform) {
case MRAA_INTEL_GALILEO_GEN1:
- strcpy(board_name, "Intel Galileo Gen1");
gpio = mraa_gpio_init_raw(3);
break;
- case MRAA_INTEL_GALILEO_GEN2:
- strcpy(board_name, "Intel Galileo Gen2");
+ case MRAA_INTEL_MINNOWBOARD_MAX:
+ // there is no onboard LED that we can flash on the minnowboard max
+ // but on the calamari lure pin 21 is an LED. If you don't have the
+ // lure put an LED on pin 21
+ gpio = mraa_gpio_init(21);
+ break;
default:
gpio = mraa_gpio_init(13);
}
- fprintf(stdout, "Welcome to libmraa\n Version: %s\n Running on %d",
- mraa_get_version(), board_name);
+ fprintf(stdout, "Welcome to libmraa\n Version: %s\n Running on %s\n", mraa_get_version(), board_name);
+
+
+ if (gpio == NULL) {
+ fprintf(stdout, "Could not initilaize gpio\n");
+ return 1;
+ }
+
+ // on platforms with physical button use gpio_in
+ if (platform == MRAA_INTEL_MINNOWBOARD_MAX) {
+ gpio_in = mraa_gpio_init(14);
+ if (gpio_in != NULL) {
+ mraa_gpio_dir(gpio_in, MRAA_GPIO_IN);
+ // S1 on minnowboardmax's calamari lure maps to pin 14, SW1 != S1
+ fprintf(stdout, "Press and hold S1 to stop, Press SW1 to shutdown!\n");
+ }
+ }
mraa_gpio_dir(gpio, MRAA_GPIO_OUT);
+
for (;;) {
+ if (gpio_in != NULL && mraa_gpio_read(gpio_in) == 0) {
+ return 0;
+ }
ledstate = !ledstate;
mraa_gpio_write(gpio, !ledstate);
sleep(1);